/* ============================================
   VeZoom Website - Black & Gold Theme
   ============================================ */

:root {
    /* Colors - Black & Gold Theme */
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-darker: #141414;
    --color-gray: #1a1a1a;
    --color-gray-light: #2a2a2a;
    --color-gold: #d4af37;
    --color-gold-light: #f4d03f;
    --color-gold-dark: #b8941e;
    --color-white: #ffffff;
    --color-text: #e0e0e0;
    --color-text-light: #f5f5f5;
    --color-text-dark: #999999;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    --gradient-dark: linear-gradient(180deg, #000000 0%, #1a1a1a 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.8) 100%);
    
    /* Shadows */
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
    --shadow-gold-strong: 0 0 40px rgba(212, 175, 55, 0.5);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    /* 介于 xl 与更大留白之间（全站多处引用） */
    --spacing-xxl: 8rem;
    /* 各页顶部标题带（*-hero + .section）垂直内边距基准；实际使用 calc(* × 1.5) 与 technology 页统一 */
    --page-hero-padding-top: 5rem;
    --page-hero-padding-bottom: 1.75rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;

    /* UI theme icons (static/icons/ui/*.svg, transparent) */
    --ui-icon-gold: #d4af37;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 站点统一主题图标（SVG 透明底，金色线稿）— 见 static/icons/ui/ */
img.ui-theme-icon {
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
    background: transparent;
    flex-shrink: 0;
}

.download-icon img.ui-theme-icon {
    width: 3.5rem;
    height: 3.5rem;
}

.detail-icon img.ui-theme-icon {
    width: 1.35rem;
    height: 1.35rem;
}

.product-icon-large img.ui-theme-icon,
.product-icon-large img.product-ui-svg {
    width: 5rem;
    height: 5rem;
    display: block;
    margin: 0 auto;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-family);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-black);
    overflow-x: hidden;
}

/* 确保所有元素继承字体 */
*,
*::before,
*::after {
    font-family: inherit;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-gold);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    border-bottom: none !important;
    line-height: 1;
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
    vertical-align: middle;
    align-self: center;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    border-bottom: none !important;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-gold);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-gold);
    transition: all var(--transition-base);
}

/* 移动端顶栏右侧：语言 + 汉堡（桌面端隐藏，语言仅在横向菜单内） */
.navbar-mobile-end {
    display: none;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

.nav-lang-switcher--bar {
    display: none;
    position: relative;
}

.nav-lang-bar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.35rem 0.5rem;
    min-height: 44px;
    min-width: 44px;
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: 8px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.nav-lang-bar-btn .lang-current-label--short {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 0.02em;
}

.nav-lang-switcher--bar .dropdown-arrow {
    font-size: 0.65rem;
    opacity: 0.9;
}

/* ============================================
   Dropdown Menu Styles
   ============================================ */

.nav-item-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform var(--transition-base);
}

.nav-item-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    list-style: none;
    padding: var(--spacing-sm) 0;
    margin: var(--spacing-xs) 0 0 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1001;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    position: relative;
}

.dropdown-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--gradient-gold);
    transition: width var(--transition-base);
    opacity: 0.2;
}

.dropdown-link:hover {
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
    padding-left: calc(var(--spacing-md) + 4px);
}

.dropdown-link:hover::before {
    width: 3px;
}

.dropdown-link.active {
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.15);
}

.dropdown-link.active::before {
    width: 3px;
}

/* 语言切换（导航栏右侧）：与「左对齐 + translateX(-50%)」的默认下拉不同，右对齐并取消水平位移，避免菜单偏移 */
.nav-lang-switcher .dropdown-menu {
    right: 0;
    left: auto;
    min-width: 11rem;
    transform: translateX(0) translateY(-10px);
}

.nav-item-dropdown.nav-lang-switcher:hover .dropdown-menu {
    transform: translateX(0) translateY(0);
}

.lang-dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-dropdown-link .lang-flag {
    line-height: 1;
    flex-shrink: 0;
}

.lang-dropdown-link .lang-flag--emoji {
    font-size: 1.1rem;
    width: 1.5rem;
    text-align: center;
}

/* 简 / 繁：不用易失效的旗帜 emoji，用站点金色字标，深色导航上始终清晰 */
.lang-flag--badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35rem;
    height: 1.15rem;
    padding: 0 5px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    color: var(--color-gold, #d4af37);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.22) 0%, rgba(212, 175, 55, 0.09) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    -webkit-text-fill-color: var(--color-gold, #d4af37);
}

.lang-flag--badge.lang-flag--current {
    min-width: 1.45rem;
    height: 1.2rem;
    font-size: 0.72rem;
}

/* 英/日/韩 等：使用系统彩色 emoji 字体，避免被继承成单色 */
.lang-flag--emoji {
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Segoe UI Symbol", "Android Emoji", emoji, sans-serif;
    font-variant-emoji: emoji;
    font-style: normal;
    filter: none;
    opacity: 1;
    /* 不设 color，避免部分浏览器把 emoji 绘成单色 */
    -webkit-text-fill-color: unset;
}

.lang-dropdown-link .lang-label-text {
    flex: 1;
}

.nav-lang-switcher .lang-dropdown-toggle .lang-flag--current.lang-flag--emoji {
    font-size: 1.05rem;
    line-height: 1;
}

.nav-lang-switcher .lang-dropdown-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    /* 与 .nav-link 一致：button 在部分浏览器中默认字号偏小 */
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    color: inherit;
    padding: var(--spacing-xs) 0;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-lang-switcher .lang-current-label {
    margin-right: 2px;
    font-size: inherit;
    font-weight: inherit;
}

/* Coming Soon Toast Notification */
.coming-soon-toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-gold);
    font-size: var(--font-size-base);
    font-weight: 500;
    z-index: 10000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    min-width: 250px;
    text-align: center;
}

.coming-soon-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.coming-soon {
    cursor: pointer;
}

.coming-soon:hover {
    opacity: 0.8;
}

/* 移动端：导航内二级菜单仅纵向展开（修正桌面 flex 导致的横向并排） */
@media (max-width: 768px) {
    .nav-menu > li {
        display: flex;
        justify-content: center;
        width: 100%;
    }

    /* 覆盖 .nav-item-dropdown 的横向 flex，使标题与二级列表上下排列；整体水平居中、紧凑 */
    .nav-menu .nav-item-dropdown {
        display: flex;
        flex-direction: column;
        align-items: center;
        flex-wrap: nowrap;
        width: 100%;
        min-width: 0;
    }

    .nav-menu .dropdown-toggle {
        width: fit-content;
        max-width: min(92vw, 22rem);
        margin-left: auto;
        margin-right: auto;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .nav-menu .nav-item-dropdown .dropdown-menu {
        position: static;
        left: auto;
        right: auto;
        top: auto;
        transform: none !important;
        opacity: 1;
        visibility: visible;
        min-width: 0;
        width: auto;
        max-width: min(92vw, 20rem);
        margin-left: auto;
        margin-right: auto;
        display: none;
        margin: 0;
        padding: 0;
        border: none;
        border-left: 2px solid rgba(212, 175, 55, 0.4);
        background: rgba(212, 175, 55, 0.07);
        border-radius: 0 0 8px 8px;
        box-shadow: none;
        transition: none;
        list-style: none;
    }

    .nav-menu .nav-item-dropdown.active .dropdown-menu {
        display: block;
        margin-top: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
        padding: var(--spacing-xs) 0;
    }

    .nav-menu .dropdown-menu > li {
        display: flex;
        justify-content: center;
        width: 100%;
    }

    .nav-menu .dropdown-link {
        display: block;
        width: fit-content;
        max-width: 100%;
        margin: 0 auto;
        box-sizing: border-box;
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: center;
        transition: none;
    }

    .nav-menu .dropdown-link::before {
        display: none;
    }

    .nav-menu .dropdown-link:hover {
        padding-left: var(--spacing-md);
    }

    .nav-menu .dropdown-toggle .dropdown-arrow {
        transition: none;
        flex-shrink: 0;
    }

    .nav-menu .nav-item-dropdown.active .dropdown-toggle .dropdown-arrow {
        transform: rotate(-180deg);
    }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, var(--color-gold), transparent),
        radial-gradient(2px 2px at 60% 70%, var(--color-gold), transparent),
        radial-gradient(1px 1px at 50% 50%, var(--color-gold), transparent),
        radial-gradient(1px 1px at 80% 10%, var(--color-gold), transparent),
        radial-gradient(2px 2px at 90% 40%, var(--color-gold), transparent);
    background-size: 200% 200%;
    animation: particleMove 20s linear infinite;
    opacity: 0.3;
}

@keyframes particleMove {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(212, 175, 55, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1600px;
    /* 与视口上下留出呼吸空间，避免内容贴边 */
    padding-top: clamp(var(--spacing-md), 4vw, var(--spacing-lg));
    padding-bottom: clamp(var(--spacing-md), 4vw, var(--spacing-lg));
}

.hero-content {
    z-index: 1;
}

/* Hero 顶部标签组：桌面横排、小屏可换行 */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-badges .hero-badge {
    margin-bottom: 0;
}

.hero-badges .vebit-brand-badge {
    margin-top: 0;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-gold);
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
}

.badge-text {
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.title-line.highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 700px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

/* 小屏与 Hero 文案统一为左对齐，避免「上左下中」割裂 */
@media (max-width: 768px) {
    .hero .stat-item {
        text-align: left;
    }
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-strong);
}

.btn-outline {
    background: transparent;
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

.card-4 {
    top: 15%;
    right: 10%;
    animation-delay: 0.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
    /* SVG 透明底；避免旧 PNG 白底等问题 */
    background: transparent;
}

.card-text {
    color: var(--color-gold);
    font-weight: 600;
}

.network-visualization {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: var(--shadow-gold);
    animation: pulse 2s ease-in-out infinite;
}

.node-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.node-1 { top: 0; left: 50%; }
.node-2 { top: 50%; right: 0; }
.node-3 { bottom: 0; left: 50%; }
.node-4 { top: 50%; left: 0; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

.connection {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-gold);
    border-radius: 12px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Section Styles
   ============================================ */

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-dark);
}

/* 全站「页面顶部标题带」*.section：覆盖 .section 默认内边距；与 technology / app 统一为 1.5× 基准高度 */
.business-hero.section,
.tokenomics-hero.section,
.testnet-hero.section,
.resources-hero.section,
.contact-hero.section,
.blog-hero.section,
.blog-detail-hero.section,
.monitor-hero.section,
.products-hero.section,
.vebox-hero.section,
.ai-hero.section,
.legal-hero.section,
.tech-hero.section,
.app-hero.section,
.app-download-hero.section {
    min-height: 0;
    padding-top: calc(var(--page-hero-padding-top) * 1.5);
    padding-bottom: calc(var(--page-hero-padding-bottom) * 1.5);
}

/* 博客文章详情顶栏：略减纵向留白，与正文区紧凑衔接 */
.blog-detail-hero.section {
    padding-top: calc(var(--page-hero-padding-top) * 1.15);
    padding-bottom: calc(var(--page-hero-padding-bottom) * 1.05);
}

.business-hero .section-header,
.tech-hero .section-header,
.tokenomics-hero .section-header,
.testnet-hero .section-header,
.resources-hero .section-header,
.contact-hero .section-header,
.blog-hero .section-header,
.blog-detail-hero .section-header,
.monitor-hero .section-header,
.app-hero .section-header,
.app-download-hero .section-header,
.products-hero .section-header,
.vebox-hero .section-header,
.ai-hero .section-header,
.legal-hero .section-header {
    margin-bottom: 0;
}

.business-hero .section-title,
.tech-hero .section-title,
.tokenomics-hero .section-title,
.testnet-hero .section-title,
.resources-hero .section-title,
.contact-hero .section-title,
.blog-hero .section-title,
.blog-detail-hero .section-title,
.monitor-hero .section-title,
.app-hero .section-title,
.app-download-hero .section-title,
.products-hero .section-title,
.vebox-hero .section-title,
.ai-hero .section-title,
.legal-hero .section-title {
    margin-bottom: var(--spacing-xs);
}

@media (max-width: 768px) {
    .business-hero.section,
    .tokenomics-hero.section,
    .testnet-hero.section,
    .resources-hero.section,
    .contact-hero.section,
    .blog-hero.section,
    .blog-detail-hero.section,
    .monitor-hero.section,
    .products-hero.section,
    .vebox-hero.section,
    .ai-hero.section,
    .legal-hero.section,
    .tech-hero.section,
    .app-hero.section,
    .app-download-hero.section {
        padding-top: calc(4.25rem * 1.5);
        padding-bottom: calc(1.25rem * 1.5);
    }

    .blog-detail-hero.section {
        padding-top: calc(3.25rem * 1.5);
        padding-bottom: calc(0.875rem * 1.5);
    }
}

/* ============================================
   Technology Section
   ============================================ */

.technology {
    background: var(--gradient-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.tech-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.tech-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.tech-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.tech-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.tech-features {
    list-style: none;
    padding-left: 0;
}

.tech-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.tech-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.architecture-diagram {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.arch-layer {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.arch-layer.arch-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    background: transparent;
    border: none;
    padding: 0;
}

.split-item {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.layer-label {
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.layer-content {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.arch-arrow {
    text-align: center;
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   Token Economics Section
   ============================================ */

.token-economics {
    background: var(--color-black);
}

.token-overview {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.token-card {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-gold);
}

.token-icon {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.token-icon-img {
    width: 5rem;
    height: 5rem;
    display: block;
    object-fit: contain;
}

.token-name {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.token-total {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
}

.highlight {
    color: var(--color-gold);
    font-weight: 700;
}

.allocation-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.allocation-item {
    background: rgba(26, 26, 26, 0.6);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.allocation-bar {
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.allocation-fill {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 8px;
    transition: width 1s ease;
    box-shadow: var(--shadow-gold);
}

.allocation-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.allocation-label {
    font-weight: 600;
    color: var(--color-text);
}

.allocation-value {
    color: var(--color-gold);
    font-weight: 700;
}

.token-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.detail-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.detail-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--color-text-dark);
}

.detail-value {
    color: var(--color-gold);
    font-weight: 600;
}

/* ============================================
   Hardware Section
   ============================================ */

.hardware {
    background: var(--gradient-dark);
}

.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.hardware-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
}

.hardware-card.featured {
    border: 2px solid var(--color-gold);
    box-shadow: var(--shadow-gold);
    transform: scale(1.05);
}

.hardware-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.hardware-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.hardware-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 20px;
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.hardware-specs {
    margin-bottom: var(--spacing-md);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--color-text-dark);
}

.spec-value {
    color: var(--color-gold);
    font-weight: 600;
}

.hardware-price {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.hardware-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.feature-item h4 {
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.feature-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

/* ============================================
   Partner Section
   ============================================ */

.partner {
    background: var(--color-black);
}

.partner-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.benefit-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.5s ease;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.benefit-number {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    opacity: 0.3;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.benefit-description {
    color: var(--color-text-dark);
    line-height: 1.6;
}

.partner-cta {
    text-align: center;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 16px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-gold);
}

.partner-cta h3 {
    font-size: var(--font-size-3xl);
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.partner-cta p {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

/* ============================================
   Marketing Section
   ============================================ */

.marketing {
    background: var(--gradient-dark);
}

.marketing-section {
    margin-bottom: var(--spacing-xl);
}

.marketing-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.marketing-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.marketing-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.marketing-card h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.marketing-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.detail-row:last-child {
    border-bottom: none;
}

.marketing-details .detail-label {
    color: var(--color-text-dark);
    font-weight: 600;
}

.marketing-details .detail-value {
    color: var(--color-gold);
    font-weight: 600;
    font-size: var(--font-size-xs);
}

.marketing-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.list-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.item-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

.item-content strong {
    display: block;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.item-content p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.incentive-tree {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tree-item {
    padding: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--color-gold);
    border-radius: 4px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

/* ============================================
   Roadmap Section
   ============================================ */

.roadmap {
    background: var(--color-black);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: var(--shadow-gold);
}

.timeline-content {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
    transform: translateX(10px);
}

.timeline-date {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.timeline-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.timeline-list {
    list-style: none;
    padding-left: 0;
}

.timeline-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-dark);
    position: relative;
    padding-left: var(--spacing-md);
}

.timeline-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--color-darker);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    /* 原约为 spacing-xxl×1.5 / spacing-lg，整体偏松；改为约一半并与内容区留白协调 */
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: 0;
}

/* Cookie 同意条（默认仅桌面端 ≥769px 显示） */
.cookie-consent {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9998;
    padding: var(--spacing-md) 0;
    background: rgba(10, 10, 10, 0.97);
    border-top: 1px solid rgba(212, 175, 55, 0.35);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.cookie-consent.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.cookie-consent--desktop-only {
    display: none;
}

@media (min-width: 769px) {
    .cookie-consent--desktop-only {
        display: block;
    }
}

.cookie-consent-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    max-width: 1600px;
}

.cookie-consent-text {
    flex: 1 1 280px;
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: 1.55;
    color: var(--color-text-dark);
}

.cookie-consent-link {
    color: var(--color-gold);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.cookie-consent-link:hover {
    color: #f0d78c;
}

.cookie-consent-actions {
    flex: 0 0 auto;
}

.cookie-consent-accept {
    min-width: 7rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    width: auto;
    max-width: none;
    margin: 0;
}

/* PWA 安装提示（仅移动端；Chrome/Edge 用 beforeinstallprompt；iOS 为文案引导） */
.pwa-install-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    padding: var(--spacing-md);
    padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
    background: rgba(10, 10, 10, 0.97);
    border-top: 1px solid rgba(212, 175, 55, 0.35);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.pwa-install-banner.is-visible {
    transform: translateY(0);
    opacity: 1;
}

.pwa-install-inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
    max-width: 1600px;
    margin: 0 auto;
}

.pwa-install-text {
    flex: none;
    width: 100%;
}

.pwa-install-title {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gold);
    font-size: var(--font-size-base);
}

.pwa-install-body {
    margin: 0;
    font-size: var(--font-size-sm);
    line-height: 1.55;
    color: var(--color-text-secondary);
}

.pwa-install-ios-hint {
    margin: var(--spacing-sm) 0 0;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--color-text-dark);
}

.pwa-install-actions {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: stretch;
    gap: var(--spacing-sm);
    width: 100%;
    flex: none;
}

.pwa-install-actions .btn {
    flex: 1 1 0;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 769px) {
    .pwa-install-banner {
        display: none !important;
    }
}

/* Vebit 品牌徽章（首页 Hero） */
.vebit-brand-badge {
    margin-top: var(--spacing-md);
    display: inline-block;
}

.vebit-label {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Vebit 产品生态区域 */
.vebit-ecosystem {
    margin-top: 0;
    margin-bottom: calc(var(--spacing-xxl) * 2);
    padding-top: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.ecosystem-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.ecosystem-header h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.ecosystem-header p {
    color: var(--color-text-dark);
    font-size: var(--font-size-base);
}

.ecosystem-products {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.5s;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateX(5px);
    border-color: var(--color-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.product-card.active {
    border-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
}

.product-icon {
    font-size: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--border-radius-md);
}

.product-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-card h4 {
    font-size: var(--font-size-lg);
    color: var(--color-gold);
    margin: 0;
    font-weight: 600;
}

.product-card p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin: 0;
}

.product-card-status {
    margin-left: auto;
    flex-shrink: 0;
}

.product-status {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.product-status.available {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.product-status.coming-soon {
    background: rgba(212, 175, 55, 0.2);
    color: var(--color-gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Vebit 品牌区域 */
.vebit-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.vebit-brand h4 {
    color: var(--color-gold);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.vebit-tagline {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.vebit-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.vebit-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gold);
    text-decoration: none;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius);
    transition: var(--transition);
    width: fit-content;
}

.vebit-link:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
    transform: translateX(5px);
}

.vebit-link span {
    font-size: var(--font-size-lg);
}

.vebit-product-badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 4px 10px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section h4 {
    color: var(--color-gold);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-section p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--color-text-dark);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--color-gold);
    transform: translateX(5px);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 2.8fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-md);
    align-items: start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.footer-description {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.link-group h4 {
    color: var(--color-gold);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.link-group a {
    display: block;
    color: var(--color-text-dark);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-base);
}

.link-group a:hover {
    color: var(--color-gold);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: calc(var(--spacing-lg) * 0.3);
    padding-bottom: calc(var(--spacing-lg) * 0.3);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-legal-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-legal-links a {
    color: var(--color-text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-size: var(--font-size-sm);
}

.footer-legal-links a:hover {
    color: var(--color-gold);
}

.footer-separator {
    color: var(--color-text-dark);
    opacity: 0.5;
}

.footer-note {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.footer-vebit-link {
    display: flex;
    align-items: center;
}

.vebit-exchange-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius);
    color: var(--color-gold);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition);
}

.vebit-exchange-link:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
}

.vebit-exchange-link span {
    font-size: var(--font-size-lg);
}

/* Coming Soon Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--gradient-dark);
    border: 2px solid var(--color-gold);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.3);
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--color-text-dark);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.1);
}

.modal-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.modal-content h2 {
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.modal-content p {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ============================================
   App Download Page Styles
   ============================================ */

.app-hero,
.app-download-hero,
.tech-hero,
.vebox-hero,
.products-hero,
.ai-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.app-hero .container,
.app-download-hero .container,
.tech-hero .container,
.vebox-hero .container,
.products-hero .container,
.ai-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.app-hero .section-header,
.app-download-hero .section-header,
.tech-hero .section-header,
.vebox-hero .section-header,
.products-hero .section-header,
.ai-hero .section-header {
    width: 100%;
}

.app-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.app-icon-large {
    margin-bottom: var(--spacing-md);
}

.app-icon-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(var(--shadow-gold));
}

.app-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.app-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
}

.app-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.app-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
}

.badge-icon {
    font-size: var(--font-size-lg);
}

.badge-text {
    color: var(--color-gold);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 12px;
    text-decoration: none;
    color: var(--color-gold);
    transition: all var(--transition-base);
    min-width: 200px;
}

.download-btn:hover {
    background: var(--gradient-gold);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.download-btn svg {
    flex-shrink: 0;
}

.download-btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-btn-label {
    font-weight: 700;
    font-size: var(--font-size-base);
}

.download-btn-sub {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.app-version {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.app-features {
    background: var(--color-black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* ============================================
   App Versions Table
   ============================================ */

.app-versions {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
}

.app-versions-table-wrapper {
    overflow-x: auto;
    margin-top: var(--spacing-xl);
}

.app-versions-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(26, 26, 26, 0.8);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.app-versions-table thead {
    background: rgba(212, 175, 55, 0.1);
}

.app-versions-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-base);
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.app-versions-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    vertical-align: middle;
}

.app-versions-table tbody tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

.app-versions-table tbody tr:last-child td {
    border-bottom: none;
}

.platform-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.platform-icon {
    font-size: var(--font-size-xl);
}

.platform-name {
    font-weight: 600;
    color: var(--color-text-light);
}

.version-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.version-number {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gold);
}

.version-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: 2px 8px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
}

.file-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.version-status {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-style: italic;
}

.download-url-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    max-width: 400px;
}

.download-url-input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-family: 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-url-input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.copy-btn {
    padding: var(--spacing-xs);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    color: var(--color-gold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.copy-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    transform: scale(1.1);
}

.no-url,
.no-qr {
    color: var(--color-text-secondary);
    font-style: italic;
    font-size: var(--font-size-sm);
}

.qr-code-cell {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: var(--spacing-xs);
    background: white;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   App Screenshots Grid
   ============================================ */

.app-screenshots {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-dark);
}

.screenshots-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.screenshots-header .section-title {
    color: var(--color-gold);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.screenshots-header .section-subtitle {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.screenshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.screenshot-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.screenshot-item .screenshot-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    object-fit: contain;
    background: rgba(0, 0, 0, 0.3);
}

.screenshot-caption {
    margin-top: var(--spacing-md);
    color: var(--color-gold);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
}

.screenshot-carousel {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-gold);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.screenshot-img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-base);
}

.screenshot-img:hover {
    transform: scale(1.02);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(212, 175, 55, 0.9);
    border: none;
    border-radius: 50%;
    color: var(--color-black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.carousel-btn:hover {
    background: var(--color-gold);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
}

.carousel-prev {
    left: var(--spacing-md);
}

.carousel-next {
    right: var(--spacing-md);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
}

.carousel-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-dots .dot:hover {
    background: rgba(212, 175, 55, 0.5);
    transform: scale(1.2);
}

.carousel-dots .dot.active {
    background: var(--color-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .screenshot-carousel {
        padding: 0 var(--spacing-sm);
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn svg {
        width: 20px;
        height: 20px;
    }

    .carousel-prev {
        left: var(--spacing-xs);
    }

    .carousel-next {
        right: var(--spacing-xs);
    }

    .carousel-slide {
        padding: var(--spacing-sm);
    }

    .screenshot-img {
        border-radius: 12px;
    }
    
    /* App Versions Table 响应式 */
    .app-versions-table-wrapper {
        margin: var(--spacing-md) calc(-1 * var(--spacing-md));
    }
    
    .app-versions-table {
        font-size: var(--font-size-sm);
    }
    
    .app-versions-table th,
    .app-versions-table td {
        padding: var(--spacing-sm) var(--spacing-xs);
    }
    
    .app-versions-table th:first-child,
    .app-versions-table td:first-child {
        padding-left: var(--spacing-sm);
    }
    
    .app-versions-table th:last-child,
    .app-versions-table td:last-child {
        padding-right: var(--spacing-sm);
    }
    
    .download-url-cell {
        max-width: 200px;
    }
    
    .download-url-input {
        font-size: var(--font-size-xs);
        max-width: 150px;
    }
    
    .qr-code-img {
        width: 80px;
        height: 80px;
    }
    
    .platform-icon {
        font-size: var(--font-size-lg);
    }
    
    .version-number {
        font-size: var(--font-size-base);
    }
    
    /* Screenshots Grid 响应式 */
    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    .screenshot-item {
        padding: var(--spacing-sm);
    }
    
    .screenshot-caption {
        font-size: var(--font-size-sm);
        margin-top: var(--spacing-sm);
    }
}

/* 旧样式保留（如果需要） */
.app-screenshots-old {
    background: var(--gradient-dark);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.screenshot-item {
    aspect-ratio: 9 / 16;
    border-radius: 16px;
    overflow: hidden;
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.screenshot-placeholder p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    font-weight: 400;
}

/* ============================================
   App Installation Guide
   ============================================ */

.app-installation-guide {
    background: var(--color-black);
    padding: var(--spacing-xl) 0;
}

.app-installation-guide .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-xl);
}

.installation-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
    padding-bottom: var(--spacing-md);
}

.install-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    bottom: -2px;
}

.install-tab:hover {
    color: var(--color-gold);
}

.install-tab.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

.installation-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.installation-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.install-content {
    max-width: 100%;
    margin: 0 auto;
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    line-height: 1.8;
}

.install-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.install-content h3:first-child {
    margin-top: 0;
}

.install-content p {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.install-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    color: var(--color-text);
    line-height: 1.8;
}

.install-content li {
    margin-bottom: var(--spacing-sm);
}

.install-content strong {
    color: var(--color-gold);
    font-weight: 600;
}

.install-step {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(26, 26, 26, 0.6);
    border-left: 4px solid var(--color-gold);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.install-step:hover {
    background: rgba(26, 26, 26, 0.8);
    transform: translateX(5px);
}

.step-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.step-list {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-sm) 0;
}

.step-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    color: var(--color-text);
    position: relative;
    line-height: 1.8;
}

.step-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.step-list li strong {
    color: var(--color-gold);
}

.step-note {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 8px;
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--color-gold);
}

.step-note strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.step-note.success {
    background: rgba(0, 255, 0, 0.1);
    border-left-color: #00ff00;
}

.step-note.success strong {
    color: #00ff00;
}

.step-note.warning {
    background: rgba(255, 165, 0, 0.1);
    border-left-color: #ffa500;
}

.step-note.warning strong {
    color: #ffa500;
}

.install-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.install-option {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
}

.install-option h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.install-option p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ============================================
   App FAQ
   ============================================ */

.app-faq {
    background: var(--gradient-dark);
    padding: var(--spacing-xl) 0;
    width: 100%;
}

.app-faq .container {
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 var(--spacing-xl);
    margin: 0;
}

.faq-list {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

.faq-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-gold);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin: 0;
    flex: 1;
    padding-right: var(--spacing-md);
}

.faq-toggle {
    width: 30px;
    height: 30px;
    min-width: 30px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 300;
    line-height: 1;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    padding: 0 var(--spacing-md);
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.faq-answer ul,
.faq-answer ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    color: var(--color-text);
    line-height: 1.8;
}

.faq-answer li {
    margin-bottom: var(--spacing-xs);
}

.faq-answer strong {
    color: var(--color-gold);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .installation-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .install-tab {
        text-align: center;
        border-bottom: none;
        border-left: 3px solid transparent;
        border-radius: 8px;
        margin-bottom: var(--spacing-xs);
    }

    .install-tab.active {
        border-left-color: var(--color-gold);
        border-bottom-color: transparent;
    }

    .app-installation-guide .container,
    .app-faq .container {
        padding: 0 var(--spacing-md);
    }
    
    .install-content {
        padding: var(--spacing-md);
    }
    
    .install-content h3 {
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-lg);
    }
    
    .install-content ul {
        padding-left: var(--spacing-lg);
    }

    .install-step {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .step-number {
        align-self: flex-start;
    }

    .install-options {
        grid-template-columns: 1fr;
    }

    .faq-question {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .faq-toggle {
        align-self: flex-end;
    }
}

.app-comparison {
    background: var(--color-black);
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(26, 26, 26, 0.8);
    border-radius: 16px;
    overflow: hidden;
}

.comparison-table thead {
    background: rgba(212, 175, 55, 0.1);
}

.comparison-table th {
    padding: var(--spacing-md);
    text-align: left;
    color: var(--color-gold);
    font-weight: 700;
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.comparison-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--color-text);
}

.comparison-table tbody tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

.system-requirements {
    background: var(--gradient-dark);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.requirement-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.requirement-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.requirement-list {
    list-style: none;
    padding-left: 0;
}

.requirement-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.requirement-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.nav-link.active {
    color: var(--color-gold);
}

.nav-link.active::after {
    width: 100%;
}

/* ============================================
   Resources Page Styles
   ============================================ */

.resources-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.resources-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.resources-hero .section-header {
    width: 100%;
}

.logo-culture {
    background: var(--color-black);
}

.logo-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.logo-display {
    text-align: center;
}

.logo-large {
    margin-bottom: var(--spacing-lg);
}

.logo-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    filter: drop-shadow(var(--shadow-gold-strong));
}

.logo-variants {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.logo-variant {
    text-align: center;
}

.variant-bg {
    width: 150px;
    height: 150px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.variant-bg.dark {
    background: var(--color-black);
}

.variant-bg.light {
    background: var(--color-white);
}

.variant-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.logo-variant p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.logo-meaning {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.meaning-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.meaning-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.meaning-item {
    display: flex;
    gap: var(--spacing-md);
}

.meaning-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.meaning-text h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.meaning-text p {
    color: var(--color-text-dark);
    line-height: 1.6;
}

.brand-guidelines {
    background: var(--gradient-dark);
    padding: var(--spacing-xl);
    border-radius: 16px;
}

.guidelines-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.guideline-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.guideline-card h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.guideline-card p {
    color: var(--color-text-dark);
    line-height: 1.6;
}

.download-resources {
    background: var(--color-black);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    text-align: center;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.resource-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.resource-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.resource-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.resource-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Contact Page Styles
   ============================================ */

.contact-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.contact-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.contact-hero .section-header {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact-info-section {
    background: var(--color-black);
    padding: var(--spacing-xxl) 0;
}

.contact-info-section .section-header,
.contact-social-section .section-header,
.contact-form-section .section-header {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* 地图块紧跟表单，避免与上方 padding 叠加出过大空白 */
.contact-map-section .section-header {
    margin-top: 0;
    margin-bottom: var(--spacing-xl);
}

.contact-info-section .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-xl);
}

.contact-social-section {
    background: var(--gradient-dark);
    padding: var(--spacing-xxl) 0;
}

.contact-social-section .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-xl);
}

.contact-form-section {
    background: var(--color-black);
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.contact-form-section .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-xl);
    /* 避免继承页面/区块居中后，input 呈 shrink-to-fit（移动端变窄条） */
    text-align: left;
}

.contact-map-section {
    background: var(--gradient-dark);
    padding: var(--spacing-lg) 0 var(--spacing-xxl) 0;
}

.contact-map-section .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-xl);
}

.contact-info {
    max-width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}


.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* 社交媒体内 Twitter：与联系方式多列对齐，单卡仅占一列宽（约 1/3），不横向铺满 */
.contact-social-section .contact-social-twitter-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    transition: all var(--transition-base);
}

.contact-info-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.contact-info-item .contact-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}

.contact-info-content {
    flex: 1;
    min-width: 0;
}

.contact-info-content h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gold);
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
}

.contact-info-content p {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

.contact-info-content a {
    color: var(--color-gold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.contact-info-content a:hover {
    color: var(--color-gold-light);
    text-decoration: underline;
}

.contact-methods {
    background: var(--color-black);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.contact-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.contact-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.contact-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.contact-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-link {
    display: block;
    color: var(--color-gold);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-base);
}

.contact-link:hover {
    color: var(--color-gold-light);
}

.social-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* 社交媒体：Twitter 用联系方式同款大卡片，其余仍为图标网格 */
.contact-social-section .contact-social-other-links {
    margin-top: var(--spacing-lg);
}

.social-link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-base);
    gap: var(--spacing-xs);
}

.social-link-item:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
    transform: translateY(-2px);
    color: var(--color-gold);
}

.social-link-item .social-icon {
    font-size: var(--font-size-xl);
}

.social-link-item .social-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.contact-map {
    width: 100%;
    height: 500px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(212, 175, 55, 0.2);
    margin-top: var(--spacing-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.contact-address {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

/* Contact Page Responsive */
@media (max-width: 768px) {
    .contact-info-section .container,
    .contact-social-section .container,
    .contact-form-section .container,
    .contact-map-section .container {
        padding: 0 var(--spacing-md);
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .contact-social-section .contact-social-twitter-row {
        grid-template-columns: 1fr;
    }

    .contact-info-item {
        align-items: flex-start;
        padding: var(--spacing-md);
    }
    
    .social-links-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .contact-form {
        width: 100%;
        max-width: none;
        margin-top: var(--spacing-md);
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .contact-map {
        height: 300px;
    }
}

.contact-form {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-xl);
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
}

/* 联系页表单：类 Bootstrap 全宽控件 + 左对齐标签（响应式） */
.contact-form .form-group {
    width: 100%;
    align-items: stretch;
    text-align: left;
}

.contact-form .form-group label {
    text-align: left;
}

.contact-form .form-group input,
.contact-form .form-group textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form-group .required {
    color: var(--color-gold);
}

.form-group input,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background: rgba(0, 0, 0, 0.7);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gradient-gold);
    border: none;
    border-radius: 8px;
    color: var(--color-black);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    text-align: center;
}

.form-message.success {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
    color: #00ff00;
}

.form-message.error {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.3);
    color: #ff4444;
}

.form-group {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-bottom: var(--spacing-md);
}

.form-group label {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    display: block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-width: 0;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: var(--spacing-sm);
    color: var(--color-text);
    font-family: var(--font-family);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.faq-section {
    background: var(--color-black);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-gold);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
}

.faq-question h3 {
    color: var(--color-gold);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

/* 与上方 .faq-toggle（金底圆钮）一致：符号用黑色，避免金叠金看不清 */
.faq-toggle {
    color: var(--color-black);
    font-size: var(--font-size-2xl);
    font-weight: 300;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-dark);
    line-height: 1.6;
}

/* ============================================
   Blog Page Styles
   ============================================ */

.blog-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.blog-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.blog-hero .section-header {
    width: 100%;
}

/* 列表页外层 section；勿与下方 .blog-card 内 .blog-content 混用同一选择器权重 */
.blog-content.section {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
}

.blog-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    /* 原 xxl(8rem)+两侧 padding 过大；仅博客列表两栏，与全站其它 grid 无关 */
    gap: var(--spacing-lg);
    align-items: start;
}

.blog-sidebar {
    position: sticky;
    top: 100px;
    padding-right: var(--spacing-sm);
}

.blog-main {
    min-width: 0;
    padding-left: var(--spacing-sm);
}

.sidebar-section {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sidebar-section h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.category-list li {
    width: 100%;
}

.category-list li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-sm);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-align: center;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.category-list li a:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-gold);
    transform: translateX(5px);
}

.category-list li a.active {
    background: rgba(212, 175, 55, 0.2);
    color: var(--color-gold);
    font-weight: 600;
}

.category-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.category-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.category-header p {
    color: var(--color-text-dark);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.article-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.article-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(212, 175, 55, 0.1);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.article-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 600;
    width: fit-content;
}

.article-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
}

.article-content h3 a {
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
}

.article-content h3 a:hover {
    color: var(--color-gold);
}

.article-excerpt {
    color: var(--color-text-dark);
    font-size: var(--font-size-base);
    line-height: 1.8;
    margin: 0;
}

.article-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    flex-wrap: wrap;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.no-articles {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
}

/* Blog Detail Page Styles */
.blog-detail-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.blog-detail-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
}

.blog-detail-hero .section-header {
    width: 100%;
}

.article-category-link {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.article-category-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.meta-separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-text-secondary);
}

.blog-detail-content {
    background: var(--color-black);
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

/* 有「相关文章」时，正文区底部少留白，避免与相关区块之间空隙过大 */
.blog-detail-content.section:has(+ .related-articles-section) {
    padding-bottom: var(--spacing-md);
}

.blog-detail-content.section:has(+ .related-articles-section) .article-body {
    margin-bottom: var(--spacing-md);
}

.blog-detail-content.section:has(+ .related-articles-section) .article-back-button {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
}

.blog-detail-content .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.article-cover {
    width: 100%;
    margin-bottom: var(--spacing-md);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.article-cover img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.article-body {
    padding: var(--spacing-md) var(--spacing-md);
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 16px;
    width: 100%;
    margin-bottom: var(--spacing-lg);
}

.article-content-text {
    color: var(--color-text);
    font-size: var(--font-size-base);
    line-height: 1.65;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.article-content-text p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.article-content-text h1,
.article-content-text h2,
.article-content-text h3,
.article-content-text h4,
.article-content-text h5,
.article-content-text h6 {
    color: var(--color-gold);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.article-content-text h1:first-child,
.article-content-text h2:first-child,
.article-content-text h3:first-child {
    margin-top: 0;
}

.article-content-text h1 {
    font-size: var(--font-size-3xl);
}

.article-content-text h2 {
    font-size: var(--font-size-2xl);
}

.article-content-text h3 {
    font-size: var(--font-size-xl);
}

.article-content-text ul,
.article-content-text ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    color: var(--color-text);
}

.article-content-text li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.65;
}

.article-content-text a {
    color: var(--color-gold);
    text-decoration: underline;
    transition: all var(--transition-base);
}

.article-content-text a:hover {
    color: var(--color-gold);
    opacity: 0.8;
}

.article-content-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

.article-content-text code {
    background: rgba(212, 175, 55, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-gold);
}

.article-content-text pre {
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-sm);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.article-content-text pre code {
    background: transparent;
    padding: 0;
    color: var(--color-text);
}

.article-back-button {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    text-align: center;
}

/* 博客详情「相关文章」：与正文区紧凑衔接，避免上下留白过大 */
.related-articles-section,
.related-articles-section.section {
    background: var(--color-black);
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.related-articles-section .container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.related-articles-section .section-header {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.related-articles-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.related-article-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.related-article-item:hover {
    border-color: rgba(212, 175, 55, 0.3);
    background: rgba(26, 26, 26, 0.8);
    transform: translateX(5px);
}

.related-article-item a {
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    display: block;
}

.related-article-item a:hover {
    color: var(--color-gold);
}

@media (max-width: 768px) {
    .related-articles-list {
        grid-template-columns: 1fr;
    }
}

.blog-posts {
    background: var(--color-black);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.blog-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.blog-card.featured {
    grid-column: span 2;
}

.blog-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-5xl);
}

.blog-content {
    padding: var(--spacing-md);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.blog-date {
    color: var(--color-text-dark);
}

.blog-category {
    color: var(--color-gold);
    font-weight: 600;
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--color-text-dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.blog-link {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.blog-link:hover {
    color: var(--color-gold-light);
    transform: translateX(5px);
}

.blog-pagination {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid rgba(212, 175, 55, 0.3);
    width: 100%;
}

.pagination-info {
    text-align: center;
    color: var(--color-text);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-sm);
}

.pagination-btn:hover:not(.disabled) {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.pagination-number {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    text-decoration: none;
    transition: all var(--transition-base);
    font-size: var(--font-size-sm);
}

.pagination-number:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.pagination-number.active {
    background: var(--gradient-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
    font-weight: 700;
    cursor: default;
}

.pagination-number.active:hover {
    transform: none;
}

.pagination-ellipsis {
    color: var(--color-text-secondary);
    padding: 0 var(--spacing-xs);
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-gold);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--color-text-dark);
}

.newsletter {
    background: var(--gradient-dark);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.newsletter-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-family);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-gold);
}

/* ============================================
   Features Showcase Styles
   ============================================ */

.features {
    background: var(--color-black);
}

/* 首页「功能特色」：与 Hero / 下方「为何选择」板块的视觉衔接与分割 */
#features.features {
    position: relative;
    padding-top: calc(var(--spacing-xxl) + var(--spacing-md));
    padding-bottom: calc(var(--spacing-xl) + var(--spacing-sm));
    background:
        linear-gradient(180deg, rgba(212, 175, 55, 0.08) 0%, transparent min(14rem, 28vh)),
        linear-gradient(0deg, rgba(18, 18, 20, 0.98) 0%, transparent min(12rem, 22vh)),
        var(--color-black);
    overflow: hidden;
}

#features.features::before,
#features.features::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    pointer-events: none;
    z-index: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(212, 175, 55, 0.25) 18%,
        rgba(212, 175, 55, 0.55) 50%,
        rgba(212, 175, 55, 0.25) 82%,
        transparent 100%
    );
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.06);
}

#features.features::before {
    top: 0;
}

#features.features::after {
    bottom: 0;
    opacity: 0.85;
}

#features .container {
    position: relative;
    z-index: 1;
}

#features .section-header {
    position: relative;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

#features .section-header::after {
    content: '';
    display: block;
    width: min(280px, 72vw);
    height: 3px;
    margin: var(--spacing-lg) auto 0;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(212, 175, 55, 0.5),
        rgba(255, 223, 140, 0.95),
        rgba(212, 175, 55, 0.5),
        transparent
    );
    box-shadow:
        0 0 28px rgba(212, 175, 55, 0.18),
        0 1px 0 rgba(0, 0, 0, 0.35);
}

.features-showcase {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.feature-showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xxl) 0;
    margin-bottom: var(--spacing-xxl);
    border-bottom: 2px solid rgba(212, 175, 55, 0.3);
    position: relative;
}

.feature-showcase-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.feature-showcase-item::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
    opacity: 0.6;
}

.feature-showcase-item:last-child::before {
    display: none;
}

.feature-showcase-item.reverse {
    direction: rtl;
}

.feature-showcase-item.reverse > * {
    direction: ltr;
}

.feature-image {
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(212, 175, 55, 0.25);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.4) inset,
        0 12px 40px rgba(0, 0, 0, 0.45),
        0 0 32px rgba(212, 175, 55, 0.08);
    background: var(--color-black);
}

.feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    display: block;
}

.feature-placeholder {
    width: 100%;
    height: 100%;
    min-height: 12rem;
    background: linear-gradient(165deg, rgba(26, 26, 26, 0.95) 0%, rgba(10, 10, 10, 0.98) 100%);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-md);
    color: var(--color-gold);
    position: absolute;
    top: 0;
    left: 0;
    box-sizing: border-box;
}

/* 配图加载失败时的装饰（无 emoji，展台风格） */
.feature-placeholder-mark {
    display: block;
    width: 56px;
    height: 56px;
    margin-bottom: var(--spacing-sm);
    border-radius: 14px;
    border: 2px dashed rgba(212, 175, 55, 0.35);
    background:
        radial-gradient(circle at 35% 30%, rgba(212, 175, 55, 0.2) 0%, transparent 55%),
        linear-gradient(135deg, rgba(212, 175, 55, 0.08), transparent);
    position: relative;
}

.feature-placeholder-mark::after {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    opacity: 0.8;
}

.feature-placeholder-label {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
    margin: 0;
}

.feature-placeholder-note {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    margin: var(--spacing-xs) 0 0;
    line-height: 1.4;
}

.feature-icon-large {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
}

.feature-placeholder p:not(.feature-placeholder-label):not(.feature-placeholder-note) {
    color: var(--color-text-dark);
    font-size: var(--font-size-lg);
}

.feature-content {
    padding: var(--spacing-md);
}

.feature-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.why-vezoom {
    background: var(--gradient-dark);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.comparison-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    min-height: 200px;
}

.comparison-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.comparison-item.old {
    background: rgba(255, 0, 0, 0.1);
    border-left: 3px solid rgba(255, 0, 0, 0.5);
}

.comparison-item.new {
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--color-gold);
}

.comparison-label {
    color: var(--color-text-dark);
    font-weight: 600;
}

.comparison-value {
    color: var(--color-text);
    font-weight: 500;
}

.comparison-item.new .comparison-value {
    color: var(--color-gold);
}

.technology-cta,
.business-cta {
    background: var(--gradient-dark);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Technology Page Styles
   （tech-hero 布局与 app / vebox / products / ai 共用，见上方「App Download Page」区块）
   ============================================ */

.core-technology {
    background: var(--color-black);
}

/* 与下方「技术详情」区块之间留白过大：收紧本节下边距 */
.core-technology.section {
    padding-bottom: var(--spacing-md);
}

/* 「技术详情」标题区上方略收紧（仍保留全局 .section 左侧可读性） */
.tech-tabs-section.section {
    padding-top: var(--spacing-lg);
}

.dcdn-tech {
    background: var(--gradient-dark);
}

.dcdn-comparison {
    margin-bottom: var(--spacing-xl);
    width: 100%;
    overflow-x: auto;
}

.dcdn-comparison .comparison-table {
    width: 100%;
    min-width: 100%;
    border-collapse: collapse;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.dcdn-comparison .comparison-table thead {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.1));
}

.dcdn-comparison .comparison-table th {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-base);
    border-bottom: 2px solid rgba(212, 175, 55, 0.4);
    border-right: 1px solid rgba(212, 175, 55, 0.2);
}

.dcdn-comparison .comparison-table th:last-child {
    border-right: none;
}

.dcdn-comparison .comparison-table th:first-child {
    text-align: left;
    padding-left: var(--spacing-lg);
}

.dcdn-comparison .comparison-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    border-right: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--color-text);
    text-align: center;
    vertical-align: middle;
}

.dcdn-comparison .comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
}

.dcdn-comparison .comparison-table td:last-child {
    border-right: none;
    color: var(--color-text-light);
}

.dcdn-comparison .comparison-table tbody tr {
    transition: all var(--transition-base);
}

.dcdn-comparison .comparison-table tbody tr:hover {
    background: rgba(212, 175, 55, 0.08);
    transform: scale(1.01);
}

.dcdn-comparison .comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.dcdn-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.advantage-card h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    color: var(--color-text-dark);
    line-height: 1.6;
}

.node-types {
    background: var(--color-black);
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.node-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.node-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.node-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.node-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.node-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.node-specs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.security {
    background: var(--gradient-dark);
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.security-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
}

.security-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.security-card h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.security-card p {
    color: var(--color-text-dark);
    line-height: 1.6;
}

/* ============================================
   Business Page Styles
   ============================================ */

.business-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.business-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.business-hero .section-header {
    width: 100%;
}

.market-overview {
    background: var(--color-black);
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-gold);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.stat-card .stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.stat-card .stat-label {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.infrastructure,
.defi-leasing,
.hardware-sales {
    background: var(--gradient-dark);
}

.strategic-pillars {
    background: var(--color-black);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.pillar-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.pillar-number {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    opacity: 0.3;
}

.pillar-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.pillar-list {
    list-style: none;
    padding-left: 0;
}

.pillar-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.pillar-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* ============================================
   Testnet Page Styles
   ============================================ */

.testnet-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.testnet-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.testnet-hero .section-header {
    width: 100%;
}

.testnet-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.testnet-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-gold);
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
}

.testnet-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.testnet-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
}

.testnet-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.testnet-stat {
    text-align: center;
}

.testnet-stat .stat-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.testnet-stat .stat-label {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.testnet-status {
    background: var(--color-black);
}

.status-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.status-title {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.status-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.status-info {
    display: flex;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
}

.quick-start {
    background: var(--gradient-dark);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.step-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: var(--font-size-5xl);
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.2;
}

.step-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.testnet-download {
    background: var(--color-black);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.download-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.download-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.download-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.download-version {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.download-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

.download-note {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-sm);
}

.download-qr {
    margin: var(--spacing-md) 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.download-qr .qr-code-img {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    padding: var(--spacing-xs);
    background: white;
}

.download-url-section {
    margin: var(--spacing-md) 0;
    width: 100%;
}

.download-card .download-url-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    max-width: 100%;
}

.download-card .download-url-input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    font-family: 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-card .download-url-input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.download-card .copy-btn {
    padding: var(--spacing-xs);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    color: var(--color-gold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.download-card .copy-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    transform: scale(1.1);
}

.download-card .btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* App页面下载卡片响应式 */
@media (max-width: 768px) {
    .download-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .download-card {
        padding: var(--spacing-lg);
    }
    
    .download-qr .qr-code-img {
        width: 120px;
        height: 120px;
    }
    
    .download-card .download-url-input {
        font-size: 10px;
        max-width: 200px;
    }
}

.faucet {
    background: var(--gradient-dark);
}

.faucet-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.faucet-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.faucet-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.faucet-header h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.faucet-balance {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.balance-amount {
    color: var(--color-gold);
    font-weight: 700;
}

.faucet-form {
    margin-bottom: var(--spacing-md);
}

.faucet-form .form-group {
    margin-bottom: var(--spacing-md);
}

.faucet-form label {
    display: block;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.faucet-form input,
.faucet-form select {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-family);
}

.faucet-form input:focus,
.faucet-form select:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-hint {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}

.btn-large {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.faucet-rules {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.faucet-rules h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.faucet-rules ul {
    list-style: none;
    padding-left: 0;
}

.faucet-rules li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-dark);
    position: relative;
    padding-left: var(--spacing-md);
}

.faucet-rules li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

.faucet-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.info-card h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.info-card ol,
.info-card ul {
    padding-left: var(--spacing-md);
}

.info-card li {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.test-participation {
    background: var(--color-black);
}

.test-tasks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.task-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.task-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.task-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.task-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.task-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.task-reward {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.reward-icon {
    font-size: var(--font-size-lg);
}

.reward-text {
    color: var(--color-gold);
    font-weight: 600;
}

.task-status {
    margin-top: var(--spacing-sm);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.status-badge.completed {
    background: rgba(0, 255, 0, 0.1);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.status-badge.pending {
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.airdrop-rewards {
    background: var(--gradient-dark);
}

.rewards-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.reward-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.reward-card.featured {
    border: 2px solid var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.reward-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 20px;
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.reward-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.reward-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.reward-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--color-text-dark);
}

.detail-value {
    color: var(--color-gold);
    font-weight: 600;
}

.leaderboard {
    margin-bottom: var(--spacing-md);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.05);
    border-radius: 8px;
    margin-bottom: var(--spacing-xs);
}

.rank {
    font-size: var(--font-size-lg);
}

.address {
    flex: 1;
    color: var(--color-text);
    font-family: monospace;
}

.points {
    color: var(--color-gold);
    font-weight: 600;
}

.reward-rules {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.rule-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.rule-item:last-child {
    border-bottom: none;
}

.rule-label {
    color: var(--color-text);
}

.rule-value {
    color: var(--color-gold);
    font-weight: 600;
}

.testnet-faq {
    background: var(--color-black);
}

/* ============================================
   Technology Partners Styles
   ============================================ */

.tech-partners {
    background: var(--gradient-dark);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

/* 技术页「核心架构」Tab：左 Zelay 核心组件、右 Zelay Network，上下列对齐 */
.partners-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
    align-items: start;
    width: 100%;
}

.partners-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    min-width: 0;
}

.integration-card--partner {
    width: 100%;
    max-width: none;
    flex: 1 1 auto;
}

.partner-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.partner-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.partner-logo {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.partner-name {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.partner-role {
    text-align: center;
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-radius: 20px;
    display: inline-block;
    width: 100%;
}

.partner-description {
    color: var(--color-text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.partner-features {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--spacing-md);
}

.partner-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.partner-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.partner-link {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-block;
}

.partner-link:hover {
    color: var(--color-gold-light);
    transform: translateX(5px);
}

/* ============================================
   Architecture Visual Styles
   ============================================ */

.architecture-svg-container {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
}

.architecture-svg {
    width: 100%;
    height: auto;
    min-height: 800px;
    max-width: 100%;
}

.zelay-highlight rect {
    animation: zelay-pulse 3s ease-in-out infinite;
}

@keyframes zelay-pulse {
    0%, 100% {
        stroke-opacity: 0.6;
        filter: drop-shadow(0 0 5px rgba(0, 150, 255, 0.3));
    }
    50% {
        stroke-opacity: 1;
        filter: drop-shadow(0 0 15px rgba(0, 150, 255, 0.6));
    }
}

.architecture-visual {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.arch-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.arch-box {
    background: rgba(212, 175, 55, 0.05);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.arch-box:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.arch-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.arch-box-header h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.arch-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--color-gold);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.arch-badge.partner {
    background: rgba(0, 255, 0, 0.1);
    border-color: #00ff00;
    color: #00ff00;
}

.arch-box-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.arch-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    text-align: center;
}

.arch-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: var(--spacing-sm) 0;
}

.connector-line {
    width: 2px;
    height: 30px;
    background: var(--gradient-gold);
    margin-bottom: var(--spacing-xs);
}

.connector-label {
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
}

.arch-split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.application-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
}

.communication-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.03) 100%);
}

.infrastructure-layer.zelay-core {
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.1) 0%, rgba(0, 255, 0, 0.05) 100%);
    border-color: rgba(0, 255, 0, 0.3);
}

.infrastructure-layer.zelay {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.1) 0%, rgba(0, 150, 255, 0.05) 100%);
    border-color: rgba(0, 150, 255, 0.3);
}

.storage-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.06) 0%, rgba(212, 175, 55, 0.02) 100%);
}

.network-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.06) 0%, rgba(212, 175, 55, 0.02) 100%);
}

.network-layer.zelay-network-layer {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.15) 0%, rgba(0, 150, 255, 0.08) 100%);
    border: 2px solid rgba(0, 150, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 150, 255, 0.2);
}

.zelay-badge {
    background: rgba(0, 150, 255, 0.2) !important;
    border-color: #0096ff !important;
    color: #0096ff !important;
    animation: pulse-zelay 2s ease-in-out infinite;
}

@keyframes pulse-zelay {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 150, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 150, 255, 0.6);
    }
}

.arch-item.highlight-zelay {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.2) 0%, rgba(0, 150, 255, 0.1) 100%);
    border: 2px solid rgba(0, 150, 255, 0.5);
    grid-column: 1 / -1;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.arch-item.highlight-zelay strong {
    color: #0096ff;
    font-size: var(--font-size-base);
    font-weight: 800;
}

.zelay-tag {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(0, 150, 255, 0.2);
    border: 1px solid rgba(0, 150, 255, 0.4);
    border-radius: 12px;
    color: #0096ff;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.zelay-description {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 150, 255, 0.05);
    border: 1px solid rgba(0, 150, 255, 0.2);
    border-radius: 8px;
    border-left: 3px solid #0096ff;
}

.zelay-description p {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

.zelay-description strong {
    color: #0096ff;
}

.blockchain-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
}

.hardware-layer {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.03) 100%);
}

/* ============================================
   Architecture Flow Styles
   ============================================ */

.architecture-flow {
    background: var(--color-black);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
}

.flow-step {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    min-width: 150px;
    transition: all var(--transition-base);
}

.flow-step:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.flow-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.flow-step h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.flow-step p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.flow-arrow {
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    font-weight: 300;
}

/* ============================================
   Infrastructure Integration Styles
   ============================================ */

.infrastructure-integration {
    background: var(--gradient-dark);
}

.integration-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.integration-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.integration-card h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.integration-card p {
    color: var(--color-text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.integration-card ul {
    list-style: none;
    padding-left: 0;
}

.integration-card li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    line-height: 1.6;
    position: relative;
    padding-left: var(--spacing-md);
}

.integration-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.integration-card strong {
    color: var(--color-gold);
}

/* ============================================
   Technology Tabs Styles
   ============================================ */

.tech-tabs-section {
    background: var(--color-black);
}

.tech-tabs {
    margin-top: var(--spacing-md);
}

.tab-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
    padding-bottom: var(--spacing-md);
}

.tab-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tab-row-label {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.tab-row-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-dark);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: var(--color-gold);
}

.tab-btn.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content-inner {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

/* 核心概念部分优化 */
.concept-section {
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.concept-section:last-of-type {
    margin-bottom: 0;
}

.concept-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.concept-icon {
    font-size: 48px;
    flex-shrink: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.concept-title-group {
    flex: 1;
    display: flex;
    align-items: center;
}

.concept-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.concept-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    font-style: italic;
}

.concept-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.concept-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--color-gold);
    border-radius: 4px;
}

.concept-description p {
    margin: 0;
}

.concept-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.concept-feature-card {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.concept-feature-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.concept-feature-card h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.concept-feature-card p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-dark);
    margin: 0;
}

.concept-diagram {
    margin-top: var(--spacing-md);
}

/* ============================================
   DePIN Network Layout
   ============================================ */

.depin-network-layout {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.depin-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.depin-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.depin-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    margin: 0;
}

.depin-nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.depin-node-card {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.depin-node-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.depin-node-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.2);
}

.depin-node-card:hover::before {
    transform: scaleX(1);
}

.node-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.3));
    transition: transform var(--transition-base);
}

.depin-node-card:hover .node-icon {
    transform: scale(1.1);
}

.node-info {
    width: 100%;
}

.node-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin: 0 0 var(--spacing-xs) 0;
}

.node-type {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    margin: 0;
}

/* Web3 对比表格优化（维度 / Web 2.0 / Web 3.0） */
.web3-comparison {
    margin: var(--spacing-sm) 0;
}

.comparison-table {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row.header {
    background: rgba(212, 175, 55, 0.1);
    font-weight: 700;
    color: var(--color-gold);
}

.comparison-cell {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.comparison-cell.highlight {
    color: var(--color-gold);
    font-weight: 600;
}

/* Web3 特性网格 */
.web3-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.web3-feature-item {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.feature-icon-small {
    font-size: 24px;
    flex-shrink: 0;
}

.web3-feature-item h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gold);
    margin: 0 0 var(--spacing-xs) 0;
}

.web3-feature-item p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-dark);
    margin: 0;
}

/* 硬件优势卡片（即插即用 / 稳定可靠 等） */
.hardware-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

/* 仅硬件节点区块：上文说明与优势卡片、下文「硬件类型」之间略收紧 */
.concept-section:has(.hardware-benefits) .concept-content {
    gap: var(--spacing-md);
}

.hardware-benefits .benefit-card {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
}

.hardware-benefits .benefit-card h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.hardware-benefits .benefit-card p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-dark);
    margin: 0;
}

/* 硬件类型网格 */
.hardware-types {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.hardware-types h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.hardware-type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.hardware-type-item {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.hardware-type-item strong {
    color: var(--color-gold);
    font-size: var(--font-size-sm);
}

.hardware-type-item span {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
}

/* 分布式原则（01–04 节点自治等） */
.distributed-principles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
}

.concept-section:has(.distributed-principles) .concept-content {
    gap: var(--spacing-md);
}

.principle-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
}

.principle-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.principle-content h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.principle-content p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-dark);
    margin: 0;
}

/* 分布式优势网格 */
.distributed-advantages {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.distributed-advantages h5 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.advantage-box {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.advantage-box strong {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.advantage-box p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text-dark);
    margin: 0;
}

/* 概念融合部分 */
.concept-integration {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    background: rgba(212, 175, 55, 0.05);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
}

.integration-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.integration-content p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}

.integration-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    width: 100%;
}

.flow-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    min-width: 120px;
}

.flow-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-xs);
}

.flow-item h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.flow-item p {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
    margin: 0;
}

.flow-arrow {
    font-size: var(--font-size-2xl);
    color: var(--color-gold);
    font-weight: 800;
}

.flow-result {
    background: var(--gradient-gold);
    border: 2px solid var(--color-gold);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    min-width: 150px;
}

.flow-result h5 {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.flow-result p {
    font-size: var(--font-size-sm);
    color: var(--color-black);
    margin: 0;
    opacity: 0.8;
}

.tab-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.tab-description {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* ============================================
   Hardware Deployment Styles
   ============================================ */

.hardware-deployment {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 与下方「Deployment & Operations」里 .deployment-section { margin-bottom } 叠加会过大，此处清零 */
.hardware-deployment .deployment-section {
    margin-bottom: 0;
}

.deployment-section {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.deployment-section h4 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

/* 「初始化流程」板块：标题与 init 网格略收紧 */
.deployment-section:has(.init-flow) {
    padding: var(--spacing-sm) var(--spacing-md);
}

.deployment-section:has(.init-flow) > h4 {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
}

.deployment-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.hardware-box {
    width: 100%;
    max-width: 600px;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.deploy-header {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.deploy-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.deploy-layer {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-sm);
}

.layer-title {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.deploy-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-xs);
}

.service-item {
    padding: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    text-align: center;
    color: var(--color-text);
    font-size: var(--font-size-xs);
}

.deploy-network {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.network-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.deploy-connections {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.connection-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-gold);
}

.connection-label {
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.deploy-external {
    display: flex;
    gap: var(--spacing-lg);
}

.external-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-text);
    font-weight: 600;
}

.storage-architecture {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.storage-version {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.storage-version h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.storage-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.storage-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.storage-type {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.storage-content {
    list-style: none;
    padding-left: 0;
}

.storage-content li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.storage-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

.software-architecture {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.software-layer {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.software-layer h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.software-layer p {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.container-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.container-group {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-sm);
}

.container-group strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.container-group ul {
    list-style: none;
    padding-left: var(--spacing-sm);
    margin: 0;
}

.container-group li {
    color: var(--color-text);
    font-size: var(--font-size-xs);
    padding: 2px 0;
}

.node-software {
    list-style: none;
    padding-left: 0;
}

.node-software li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    line-height: 1.6;
}

.node-software li:last-child {
    border-bottom: none;
}

.init-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.init-step {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
}

.init-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    width: 30px;
    height: 30px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
}

.init-step h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.init-step ul {
    list-style: none;
    padding-left: 0;
}

.init-step li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.init-step li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* ============================================
   Tokenomics Page Styles
   ============================================ */

.tokenomics-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.tokenomics-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.tokenomics-hero .section-header {
    width: 100%;
}

.token-overview-section {
    background: var(--color-black);
}

/* 与下方「代币信息」区块之间留白过大：收紧本节下边距 */
.token-overview-section.section {
    padding-bottom: var(--spacing-md);
}

.token-overview {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.token-card.main-card {
    position: sticky;
    top: 100px;
}

.token-symbol {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.allocation-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    padding-left: var(--spacing-sm);
}

/* ============================================
   Token Information Section
   ============================================ */

.token-info-section {
    background: var(--color-black);
    padding: var(--spacing-lg) 0 var(--spacing-xxl) 0;
}

.token-info-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.token-info-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.token-info-card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.token-info-card.main-info-card {
    grid-column: 1 / -1;
}

.token-info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.token-logo {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    flex-shrink: 0;
}

.token-logo-img {
    width: 48px;
    height: 48px;
    display: block;
    object-fit: contain;
}

.token-basic-info {
    flex: 1;
}

.token-info-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.token-info-symbol {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.token-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.token-stat-item {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.stat-percent {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
}

.token-trading-links,
.token-explorer-links {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.trading-title,
.explorer-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.trading-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.trading-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.trading-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.trading-icon {
    font-size: var(--font-size-xl);
}

.explorer-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    text-decoration: none;
    transition: all var(--transition-base);
}

.explorer-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
}

.explorer-icon {
    font-size: var(--font-size-xl);
}

.explorer-arrow {
    font-size: var(--font-size-lg);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.contract-address {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contract-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    white-space: nowrap;
}

.contract-value {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    word-break: break-all;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    color: var(--color-gold);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-xs);
}

.copy-btn:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
}

.contract-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contract-detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
}

.detail-value {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 500;
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.market-stat-item {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.market-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.market-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.market-change {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
}

.market-change.positive {
    color: #00ff00;
}

.lp-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.lp-stat-item {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: var(--spacing-md);
}

.lp-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.lp-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.lp-value.positive {
    color: #00ff00;
}

.lp-pair {
    font-size: var(--font-size-xs);
    color: var(--color-text-dark);
}

.holders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.holder-item {
    display: grid;
    grid-template-columns: 40px 1fr auto auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.holder-item:hover {
    background: rgba(212, 175, 55, 0.05);
}

.holder-rank {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gold);
    text-align: center;
}

.holder-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.address-short {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.copy-small-btn {
    background: transparent;
    border: none;
    color: var(--color-text-dark);
    cursor: pointer;
    font-size: var(--font-size-xs);
    padding: 2px 4px;
    transition: all var(--transition-base);
}

.copy-small-btn:hover {
    color: var(--color-gold);
}

.holder-amount {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    text-align: right;
}

.holder-percent {
    font-size: var(--font-size-sm);
    color: var(--color-text-dark);
    text-align: right;
}

/* Token Info Responsive */
@media (max-width: 1024px) {
    .token-info-container {
        grid-template-columns: 1fr;
    }
    
    .token-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .market-stats,
    .lp-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .token-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .trading-buttons {
        flex-direction: column;
    }
    
    .holder-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .holder-rank {
        text-align: left;
    }
    
    .holder-amount,
    .holder-percent {
        text-align: left;
    }
}

.token-distribution {
    background: var(--gradient-dark);
}

.distribution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.distribution-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
}

.dist-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.dist-title {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.dist-amount {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.dist-details {
    text-align: left;
}

.dist-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.dist-item:last-child {
    border-bottom: none;
}

.dist-label {
    color: var(--color-text-dark);
}

.dist-value {
    color: var(--color-gold);
    font-weight: 600;
}

.contribution-assessment {
    background: var(--color-black);
}

.assessment-tabs {
    margin-top: var(--spacing-xl);
}

.assessment-tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
    padding-bottom: var(--spacing-sm);
}

.assessment-tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    bottom: -2px;
}

.assessment-tab-btn:hover {
    color: var(--color-gold);
}

.assessment-tab-btn.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
}

.assessment-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.assessment-tab-content.active {
    display: block;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.metric-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.metric-title {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.metric-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.metric-item {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.metric-label {
    color: var(--color-gold);
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.metric-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.calculation-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.formula-card,
.reward-formula-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.formula-card h3,
.reward-formula-card h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.formula-box {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.formula-main {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--color-gold);
    border-radius: 8px;
}

.formula-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.formula-item {
    padding: var(--spacing-sm);
}

.formula-item h4 {
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.formula-item ul {
    list-style: none;
    padding-left: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.formula-item li {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    padding: 2px 0;
}

.coefficient-table {
    margin-top: var(--spacing-md);
}

.coefficient-table table {
    width: 100%;
    border-collapse: collapse;
}

.coefficient-table th,
.coefficient-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.coefficient-table th {
    color: var(--color-gold);
    font-weight: 700;
    background: rgba(212, 175, 55, 0.05);
}

.coefficient-table td {
    color: var(--color-text);
}

.verification-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.verification-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.verification-card h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.verification-card p {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.verification-card ul {
    list-style: none;
    padding-left: 0;
}

.verification-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
}

.verification-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.rewards-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.reward-schedule {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.reward-schedule h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.schedule-timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-gold);
    border-radius: 50%;
    border: 2px solid var(--color-black);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -15px;
    top: 12px;
    width: 2px;
    height: calc(100% - 12px);
    background: rgba(212, 175, 55, 0.3);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-time {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.reward-examples {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.reward-examples h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.example-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.example-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.example-card h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.example-data {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.example-data p {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.example-result {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--color-gold);
    border-radius: 8px;
}

.example-result strong {
    color: var(--color-gold);
    font-size: var(--font-size-base);
}

.staking-requirements {
    background: var(--gradient-dark);
}

.staking-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.staking-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.staking-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.staking-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-sm);
}

.staking-title {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.staking-amount {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.staking-details {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.tokenomics-cta {
    background: var(--gradient-dark);
    text-align: center;
}

/* ============================================
   Hybrid Architecture Styles
   ============================================ */

.hybrid-architecture {
    background: var(--gradient-dark);
}

.hybrid-overview {
    margin-bottom: var(--spacing-xl);
}

.hybrid-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hybrid-layer {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.hybrid-layer.off-chain {
    border-color: rgba(0, 150, 255, 0.4);
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.1) 0%, rgba(0, 150, 255, 0.05) 100%);
}

.hybrid-layer.on-chain {
    border-color: rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
}

.layer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.layer-header h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-2xl);
}

.layer-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--color-gold);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.hybrid-layer.off-chain .layer-badge {
    background: rgba(0, 150, 255, 0.2);
    border-color: #0096ff;
    color: #0096ff;
}

.layer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.layer-item {
    display: flex;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.item-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.item-content h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.item-content p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.hybrid-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}

.connector-line {
    width: 3px;
    height: 50px;
    background: var(--gradient-gold);
}

.connector-label {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-base);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
}

.connector-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
}

.hybrid-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.advantage-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
}

.advantage-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.advantage-item h3 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.advantage-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.hybrid-flow {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.flow-title {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 150px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
}

.step-content {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-sm);
    text-align: center;
    width: 100%;
}

.step-content h4 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-xs);
}

.step-location {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.flow-arrow {
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    font-weight: 300;
}

.hybrid-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.detail-section {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.detail-section h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.detail-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.detail-card h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.detail-card ul {
    list-style: none;
    padding-left: 0;
}

.detail-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.detail-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.hybrid-security {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

.hybrid-security h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.security-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
}

.security-item h4 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.security-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ============================================
   Smart Contracts Styles
   ============================================ */

.smart-contracts {
    background: var(--color-black);
}

.contracts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contract-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.contract-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.contract-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.contract-name {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.contract-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.contract-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contract-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contract-label {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.contract-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
}

.contract-address code {
    color: var(--color-text);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xs);
    flex: 1;
    word-break: break-all;
}

.copy-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-base);
}

.copy-btn:hover {
    background: rgba(212, 175, 55, 0.2);
}

.contract-value {
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.contract-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.contract-status.deployed {
    background: rgba(0, 255, 0, 0.1);
    color: #00ff00;
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.contract-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.contract-link {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--color-gold);
    text-decoration: none;
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.contract-link:hover {
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-2px);
}

.contract-code-section {
    margin-top: var(--spacing-xl);
}

.code-tabs {
    margin-top: var(--spacing-lg);
}

.code-tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
    padding-bottom: var(--spacing-sm);
}

.code-tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    bottom: -2px;
}

.code-tab-btn:hover {
    color: var(--color-gold);
}

.code-tab-btn.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
}

.code-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.code-tab-content.active {
    display: block;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(212, 175, 55, 0.05);
    border-radius: 8px;
}

.code-header h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.code-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.code-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    color: var(--color-gold);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.code-link:hover {
    background: rgba(212, 175, 55, 0.2);
}

.copy-code-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 6px;
    color: var(--color-gold);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.copy-code-btn:hover {
    background: rgba(212, 175, 55, 0.2);
}

.code-block {
    background: #1e1e1e;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    color: #d4d4d4;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    white-space: pre;
}

.code-block code .keyword {
    color: #569cd6;
}

.code-block code .string {
    color: #ce9178;
}

.code-block code .comment {
    color: #6a9955;
}

.code-block code .function {
    color: #dcdcaa;
}

.code-block code .number {
    color: #b5cea8;
}

/* ============================================
   Network Topology and Communication Styles
   ============================================ */

.network-topology-section,
.node-discovery-section,
.communication-protocol-section,
.nat-traversal-section,
.streaming-optimization-section,
.p2p-cdn-section,
.technical-depth-section {
    margin-bottom: var(--spacing-xl);
}

.subsection-title {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.topology-diagrams {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.topology-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.topology-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.topology-visual {
    margin-bottom: var(--spacing-sm);
}

.topology-svg {
    width: 100%;
    height: auto;
    min-height: 200px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: var(--spacing-sm);
}

.topology-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.discovery-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.discovery-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.discovery-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.discovery-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
}

.detail-label {
    color: var(--color-text-dark);
    font-weight: 600;
}

.detail-value {
    color: var(--color-text);
    text-align: right;
}

.code-snippet {
    background: #1e1e1e;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
    overflow-x: auto;
    margin-top: var(--spacing-md);
}

.code-snippet pre {
    margin: 0;
    color: #d4d4d4;
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.code-snippet code {
    color: #d4d4d4;
}

.protocol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.protocol-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.protocol-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.protocol-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.protocol-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--color-gold);
}

.feature-item strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.feature-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin: 0;
}

.signaling-example {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.signaling-example h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.nat-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.nat-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.nat-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.nat-card ul {
    list-style: none;
    padding-left: 0;
}

.nat-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.nat-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.nat-flow {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.nat-flow h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.streaming-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.streaming-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.streaming-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.streaming-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
}

.item-label {
    color: var(--color-gold);
    font-weight: 600;
}

.item-value {
    color: var(--color-text);
}

.streaming-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-top: var(--spacing-sm);
}

.svc-layers {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.layer-item {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--color-gold);
}

.layer-name {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.layer-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.cdn-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.cdn-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.cdn-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cdn-card ul {
    list-style: none;
    padding-left: 0;
}

.cdn-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.cdn-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.depth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.depth-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.depth-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.protocol-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stack-layer {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    border-left: 3px solid var(--color-gold);
}

.depth-card ul {
    list-style: none;
    padding-left: 0;
}

.depth-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.depth-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* ============================================
   Deployment & Operations Styles
   ============================================ */

.deployment-section {
    margin-bottom: var(--spacing-xl);
}

.docker-overview {
    margin-bottom: var(--spacing-lg);
}

.docker-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.docker-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.docker-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.service-group {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-sm);
}

.service-group strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.service-group ul {
    list-style: none;
    padding-left: var(--spacing-sm);
    margin: 0;
}

.service-group li {
    color: var(--color-text);
    font-size: var(--font-size-xs);
    padding: 2px 0;
}

.docker-compose-example {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.docker-compose-example h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.env-config {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.env-file-example h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.deployment-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.step-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    position: relative;
}

.step-item .step-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    width: 30px;
    height: 30px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
}

.step-content {
    margin-top: var(--spacing-sm);
}

.step-content h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.step-content ul {
    list-style: none;
    padding-left: 0;
}

.step-content li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.step-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.step-content code {
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-gold);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xs);
}

.ops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.ops-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.ops-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.ops-commands {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.command-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.command-item code {
    color: var(--color-gold);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.command-item span {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
}

.ops-card ul {
    list-style: none;
    padding-left: 0;
}

.ops-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.ops-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.optimization-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.optimization-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.optimization-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Authentication & Encryption Styles
   ============================================ */

.auth-section,
.encryption-section,
.security-features-section {
    margin-bottom: var(--spacing-xl);
}

.auth-content,
.encryption-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.auth-card,
.encryption-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.auth-card h5,
.encryption-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.auth-details,
.encryption-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.auth-item,
.enc-item {
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--color-gold);
}

.auth-item strong,
.enc-item strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.auth-item p,
.enc-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.6;
}

.auth-flow,
.enc-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.auth-flow .flow-step,
.enc-flow .flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 120px;
}

.auth-flow .step-number,
.enc-flow .step-number {
    width: 35px;
    height: 35px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-base);
}

.auth-flow .flow-step p,
.enc-flow .flow-step p {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    text-align: center;
    margin: 0;
}

.auth-flow .flow-arrow,
.enc-flow .flow-arrow {
    color: var(--color-gold);
    font-size: var(--font-size-xl);
    font-weight: 300;
}

.encryption-card ul {
    list-style: none;
    padding-left: 0;
}

.encryption-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.encryption-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.security-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.feature-card .feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.feature-card h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ============================================
   Storage Technology Styles
   ============================================ */

.storage-strategy {
    margin-bottom: var(--spacing-xl);
}

.strategy-timeline {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.timeline-phase {
    flex: 1;
    min-width: 300px;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.phase-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.phase-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.phase-header h5 {
    color: var(--color-gold);
    font-weight: 700;
    flex: 1;
    margin: 0;
}

.phase-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
    border-radius: 12px;
    color: #00ff00;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.phase-status.future {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
    color: var(--color-gold);
}

.phase-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.phase-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: var(--spacing-sm);
}

.phase-card h6 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.phase-card ul {
    list-style: none;
    padding-left: 0;
}

.phase-card li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.phase-card li strong {
    color: var(--color-gold);
}

.deployment-diagram-text {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.timeline-arrow {
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    font-weight: 300;
    align-self: center;
}

.storage-features {
    margin-top: var(--spacing-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
}

.feature-item .feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.feature-item h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ============================================
   Blockchain Layer Styles
   ============================================ */

.bsc-selection {
    margin-bottom: var(--spacing-xl);
}

.bsc-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.advantage-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    text-align: center;
}

.advantage-item .advantage-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.advantage-item h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.advantage-item p {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.smart-contract-architecture {
    margin-bottom: var(--spacing-xl);
}

.contract-architecture {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.contract-item {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.contract-item h5 {
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.contract-item ul {
    list-style: none;
    padding-left: 0;
}

.contract-item li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    position: relative;
    padding-left: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.contract-item li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

.contract-interaction {
    margin-top: var(--spacing-xl);
}

.interaction-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
}

/* ============================================
   Roadmap Styles
   ============================================ */

.roadmap-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    padding-left: calc(var(--spacing-xl) + 20px);
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-gold), transparent);
    z-index: 0;
}

.roadmap-phase {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    position: relative;
    z-index: 1;
    margin-left: 0;
}

.roadmap-phase::before {
    content: '';
    position: absolute;
    left: -40px;
    top: 30px;
    width: 16px;
    height: 16px;
    background: var(--gradient-gold);
    border: 3px solid var(--color-black);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    display: block;
}

.roadmap-phase .phase-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.phase-badge {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--gradient-gold);
    color: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-2xl);
    line-height: 1;
    flex-shrink: 0;
}

.roadmap-phase .phase-header h4 {
    color: var(--color-gold);
    font-weight: 700;
    flex: 1;
    margin: 0;
}

.phase-duration {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    color: var(--color-gold);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.roadmap-phase .phase-content h5 {
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.phase-tasks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
}

.task-check {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-base);
}

.phase-milestones {
    background: rgba(212, 175, 55, 0.05);
    border-left: 3px solid var(--color-gold);
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.phase-milestones strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.phase-milestones ul {
    list-style: none;
    padding-left: var(--spacing-md);
    margin: 0;
}

.phase-milestones li {
    padding: 2px 0;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    position: relative;
}

.phase-milestones li::before {
    content: '•';
    position: absolute;
    left: -12px;
    color: var(--color-gold);
}

/* ============================================
   Partners Section Styles
   ============================================ */

.partners-section {
    background: var(--gradient-dark);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.partner-logo-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.partner-logo-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.partner-logo-placeholder {
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.05);
    border: 2px dashed rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.partner-logo-placeholder h3 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.partner-type {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    display: inline-block;
}

.partner-desc {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   Responsive Design - Mobile First
   ============================================ */

/* 移动端优化 */
@media (max-width: 768px) {
    /* 基础优化：保持 16px 根字号，避免导航/Hero 等 rem 整体偏小 */
    html {
        font-size: 16px;
    }
    
    body {
        font-size: var(--font-size-base);
        line-height: 1.55;
    }
    
    .container {
        padding: 0 clamp(0.875rem, 4vw, 1.25rem);
        max-width: 100%;
    }

    .navbar .container {
        padding-left: clamp(0.875rem, 4vw, 1.25rem);
        padding-right: clamp(0.875rem, 4vw, 1.25rem);
    }

    #features .section-header {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }

    .features .section-header {
        padding-left: 0;
        padding-right: 0;
        margin-bottom: var(--spacing-lg);
    }

    #features .section-subtitle,
    .features .section-subtitle {
        line-height: 1.65;
        max-width: 40rem;
        margin-left: auto;
        margin-right: auto;
        padding: 0;
    }
    
    /* 导航栏优化 */
    .navbar {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-brand {
        font-size: var(--font-size-base);
    }
    
    .nav-brand a {
        gap: 0.5rem;
        align-items: center;
    }
    
    .logo {
        width: 32px;
        height: 32px;
        align-self: center;
    }
    
    .brand-text {
        font-size: var(--font-size-xl);
        align-self: center;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        display: block;
        width: 100%;
        text-align: left;
        font-size: var(--font-size-base);
    }

    /* 移动端展开层内：条目水平居中、宽度随文案，避免 active 下划线拉满屏宽 */
    .nav-menu .nav-link,
    .nav-menu .dropdown-toggle {
        width: fit-content;
        max-width: min(92vw, 22rem);
        margin-left: auto;
        margin-right: auto;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        white-space: normal;
    }

    .nav-menu .dropdown-toggle {
        justify-content: space-between;
        gap: 0.35rem;
    }

    .dropdown-toggle,
    .dropdown-link {
        font-size: var(--font-size-base);
    }
    
    /* Hero区域优化 */
    .hero {
        padding: 80px 0 var(--spacing-xl);
        min-height: auto;
    }

    .hero-content {
        width: 100%;
        max-width: 100%;
    }

    .hero-badges {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .hero-badge .badge-text {
        font-size: var(--font-size-xs);
        line-height: 1.35;
    }

    .vebit-label {
        font-size: var(--font-size-xs);
        padding: 6px 12px;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6.5vw, 2.75rem);
        line-height: 1.18;
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
        padding: 0;
        line-height: 1.65;
        max-width: none;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) 0;
        width: 100%;
    }

    .hero .stat-value {
        font-size: var(--font-size-4xl);
    }

    /* 主按钮纵向排列，避免与滚动提示重叠 */
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-xs);
    }

    .hero-actions .btn {
        width: 100%;
        max-width: none;
        margin: 0;
        box-sizing: border-box;
        text-align: center;
        justify-content: center;
        font-size: var(--font-size-base);
    }

    .scroll-indicator {
        display: none;
    }
    
    /* 按钮优化（非 Hero 内仍限制最大宽度） */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* 卡片优化 */
    .card, .feature-card, .tech-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    /* 网格布局优化 */
    .grid, .features-grid, .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* 表格优化 */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 图片优化 */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* 文字大小优化 */
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    h4 { font-size: var(--font-size-lg); }
    
    /* 间距优化 */
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
    
    /* Footer优化 */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* 小屏手机优化 */
@media (max-width: 480px) {
    html {
        font-size: 16px;
    }
    
    .container {
        padding: 0 clamp(0.75rem, 3.5vw, 1rem);
    }
    
    .hero-title {
        font-size: clamp(1.625rem, 7vw, 2.25rem);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .hero-actions .btn {
        font-size: var(--font-size-base);
    }
    
    .card, .feature-card {
        padding: var(--spacing-sm);
    }
}

/* 平板优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .grid, .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 触摸设备优化（勿对全局 a 生效，避免正文链接被拉成大方块） */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .nav-brand a,
    .hero-actions .btn,
    .footer a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* 汉堡内菜单保持紧凑宽度，不因 44px min-width 被拉宽 */
    .nav-menu .nav-link,
    .nav-menu .dropdown-toggle {
        min-width: auto;
        min-height: 44px;
    }

    .nav-brand a {
        min-width: auto;
        padding: var(--spacing-xs) 0;
    }
    
    /* 移除hover效果，使用active */
    .card:hover {
        transform: none;
    }
    
    .card:active {
        transform: scale(0.98);
    }
}

/* 高DPI屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 横屏优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 60px 0 var(--spacing-md);
        min-height: auto;
    }
    
    .navbar {
        padding: var(--spacing-xs);
    }
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .comparison-card {
        padding: var(--spacing-md);
        min-height: auto;
    }

    /* 移动端主导航：顶栏下全宽纵向列表，无过渡动画、即时显隐 */
    .nav-menu {
        position: fixed;
        left: 0;
        right: 0;
        top: calc(56px + env(safe-area-inset-top, 0px));
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #0a0a0a;
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 0 var(--spacing-md);
        max-height: min(88vh, 720px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: none !important;
        z-index: 10050;
        box-sizing: border-box;
        border-bottom: 1px solid rgba(212, 175, 55, 0.28);
        box-shadow: 0 12px 36px rgba(0, 0, 0, 0.55);
        pointer-events: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-md);
        pointer-events: auto;
    }

    body.nav-mobile-menu-open {
        overflow: hidden;
        touch-action: none;
    }

    .nav-toggle {
        display: flex;
    }

    /* 顶栏：Logo 左，语言+汉堡 右；主导航为顶栏下全宽下拉层 */
    .navbar .container {
        flex-wrap: nowrap;
        align-items: center;
        justify-content: flex-start;
        gap: 0.5rem;
    }

    .nav-brand {
        flex: 0 0 auto;
    }

    .navbar .container,
    .navbar-mobile-end,
    .nav-lang-switcher--bar {
        overflow: visible;
    }

    .navbar-mobile-end {
        display: flex;
        margin-left: auto;
        flex: 0 0 auto;
        align-items: center;
        gap: 0.35rem;
    }

    .nav-lang-switcher--bar {
        display: block;
    }

    .nav-menu .nav-lang-switcher--in-menu {
        display: none !important;
    }

    /* 顶栏语言下拉：实底高对比，避免 backdrop-filter 在移动端发糊、透底看不清 */
    .nav-lang-switcher--bar .lang-dropdown-menu {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        left: auto;
        transform: none !important;
        min-width: 13.5rem;
        max-width: min(13.5rem, calc(100vw - 1.5rem));
        z-index: 10002;
        margin: 0;
        padding: 0.4rem 0;
        display: none;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: none;
        background: #161616 !important;
        border: 1px solid rgba(212, 175, 55, 0.65) !important;
        border-radius: 10px;
        box-shadow:
            0 16px 48px rgba(0, 0, 0, 0.75),
            0 0 0 1px rgba(255, 255, 255, 0.06) inset;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .nav-lang-switcher--bar.nav-item-dropdown.active .lang-dropdown-menu {
        display: block !important;
        pointer-events: auto;
    }

    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        padding: 0.85rem 1rem;
        font-size: 1rem;
        font-weight: 500;
        line-height: 1.35;
        color: #f0f0f0 !important;
        -webkit-font-smoothing: antialiased;
        text-decoration: none;
    }

    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link .lang-label-text {
        color: inherit;
    }

    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link:hover,
    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link:focus-visible {
        color: #fff6d4 !important;
        background: rgba(212, 175, 55, 0.2);
        padding-left: 1rem;
    }

    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link.active {
        color: var(--color-gold-light, #f4d03f) !important;
        background: rgba(212, 175, 55, 0.22);
        font-weight: 600;
    }

    .nav-lang-switcher--bar .lang-dropdown-menu .lang-dropdown-link.active::before {
        width: 3px;
    }

    /* 顶栏语言按钮：略提高对比，箭头更明显 */
    .nav-lang-bar-btn {
        color: var(--color-text-light, #f5f5f5);
        background: rgba(212, 175, 55, 0.18);
        border-color: rgba(212, 175, 55, 0.6);
    }

    .nav-lang-switcher--bar .dropdown-arrow {
        color: var(--color-gold-light, #f4d03f);
        opacity: 1;
        font-size: 0.7rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-visual {
        display: none;
    }

    /* 与上方 768px Hero 字号统一（clamp 保证小屏可读） */
    .hero-title {
        font-size: clamp(1.75rem, 6.5vw, 2.75rem);
        line-height: 1.18;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .feature-showcase-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-lg);
    }

    .feature-showcase-item.reverse {
        direction: ltr;
    }

    .feature-title {
        font-size: var(--font-size-2xl);
    }

    .feature-description {
        font-size: var(--font-size-base);
        line-height: 1.65;
    }

    .token-overview {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        margin-bottom: var(--spacing-lg);
        align-items: center;
        text-align: center;
    }

    .ecosystem-products {
        gap: var(--spacing-sm);
    }

    .product-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }

    .product-icon {
        width: 60px;
        height: 60px;
        font-size: 36px;
    }

    .product-card-content {
        align-items: center;
    }

    .product-card-status {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .vebit-ecosystem {
        margin-bottom: calc(var(--spacing-xl) * 1.5);
        padding-bottom: var(--spacing-xl);
    }

    .footer {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .roadmap-timeline {
        padding-left: calc(var(--spacing-md) + 20px);
    }

    .roadmap-timeline::before {
        left: 10px;
    }

    .roadmap-phase::before {
        left: -30px;
        width: 12px;
        height: 12px;
    }

    .hardware-card.featured {
        transform: scale(1);
    }

    .roadmap-timeline {
        padding-left: calc(var(--spacing-md) + 20px);
    }

    .roadmap-timeline::before {
        left: 10px;
    }

    .roadmap-phase::before {
        left: -30px;
        width: 12px;
        height: 12px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: var(--font-size-2xl);
    }

    .hero-title {
        font-size: clamp(1.625rem, 7vw, 2.25rem);
    }

    .tech-grid,
    .hardware-grid,
    .partner-benefits {
        grid-template-columns: 1fr;
    }

    .depin-nodes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .depin-network-layout {
        padding: var(--spacing-md);
    }

    .tech-tabs-section .depin-network-layout {
        padding: var(--spacing-sm);
    }

    .node-icon {
        font-size: 32px;
    }

    .logo-showcase {
        grid-template-columns: 1fr;
    }

    .blog-card.featured {
        grid-column: span 1;
    }
    
    .blog-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .blog-sidebar {
        position: static;
        order: 2;
    }
    
    .blog-main {
        order: 1;
    }
    
    .article-card {
        flex-direction: column;
    }
    
    .article-image {
        aspect-ratio: 16 / 9;
    }
    
    .category-list li a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .pagination-controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .pagination-numbers {
        justify-content: center;
    }
    
    .pagination-number {
        min-width: 36px;
        height: 36px;
        font-size: var(--font-size-xs);
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .feature-showcase-item {
        grid-template-columns: 1fr;
        padding: var(--spacing-xl) 0;
        margin-bottom: var(--spacing-xl);
    }

    .feature-showcase-item.reverse {
        direction: ltr;
    }

    .faucet-container {
        grid-template-columns: 1fr;
    }

    .testnet-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .arch-split-container {
        grid-template-columns: 1fr;
    }

    .arch-box-content {
        grid-template-columns: 1fr;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .integration-content {
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }

    .tab-buttons {
        gap: var(--spacing-sm);
    }

    .tab-row {
        gap: var(--spacing-xs);
    }

    .tab-row-label {
        font-size: var(--font-size-xs);
    }

    .tab-row-buttons {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        text-align: left;
    }

    .tab-btn {
        width: 100%;
        text-align: left;
    }

    .storage-layout {
        grid-template-columns: 1fr;
    }

    .container-services {
        grid-template-columns: 1fr;
    }

    .init-flow {
        grid-template-columns: 1fr;
    }

    .architecture-svg {
        min-height: 600px;
    }

    .architecture-svg text {
        font-size: 12px !important;
    }

    .zelay-highlight text {
        font-size: 14px !important;
    }

    .contracts-grid {
        grid-template-columns: 1fr;
    }

    .code-tab-buttons {
        flex-direction: column;
    }

    .code-tab-btn {
        width: 100%;
        text-align: left;
    }

    .code-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .code-block {
        font-size: 11px;
        padding: var(--spacing-sm);
    }

    .assessment-tab-buttons {
        flex-direction: column;
    }

    .assessment-tab-btn {
        width: 100%;
        text-align: left;
    }

    .hybrid-diagram {
        gap: var(--spacing-md);
    }

    .layer-content {
        grid-template-columns: 1fr;
    }

    .flow-steps {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .security-grid {
        grid-template-columns: 1fr;
    }

    .topology-diagrams {
        grid-template-columns: 1fr;
    }

    .discovery-content {
        grid-template-columns: 1fr;
    }

    .protocol-grid {
        grid-template-columns: 1fr;
    }

    .nat-content {
        grid-template-columns: 1fr;
    }

    .streaming-content {
        grid-template-columns: 1fr;
    }

    .cdn-content {
        grid-template-columns: 1fr;
    }

    .depth-grid {
        grid-template-columns: 1fr;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .docker-services {
        grid-template-columns: 1fr;
    }

    .deployment-steps {
        grid-template-columns: 1fr;
    }

    .ops-grid {
        grid-template-columns: 1fr;
    }

    .optimization-content {
        grid-template-columns: 1fr;
    }

    .auth-content,
    .encryption-content {
        grid-template-columns: 1fr;
    }

    .auth-flow,
    .enc-flow {
        flex-direction: column;
    }

    .auth-flow .flow-arrow,
    .enc-flow .flow-arrow {
        transform: rotate(90deg);
    }

    .security-features-grid {
        grid-template-columns: 1fr;
    }

    .strategy-timeline {
        flex-direction: column;
    }

    .timeline-arrow {
        transform: rotate(90deg);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .bsc-advantages {
        grid-template-columns: 1fr;
    }

    .contract-architecture {
        grid-template-columns: 1fr;
    }

    .interaction-flow {
        flex-direction: column;
    }

    .interaction-flow .flow-arrow {
        transform: rotate(90deg);
    }

    .phase-tasks {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }

    .partners-columns {
        grid-template-columns: 1fr;
    }

    .concept-section {
        margin-bottom: var(--spacing-xl);
        padding: var(--spacing-md);
    }

    .concept-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .concept-icon {
        font-size: 36px;
    }

    .concept-title {
        font-size: var(--font-size-xl);
    }

    .concept-content {
        gap: var(--spacing-md);
    }

    .concept-description {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .concept-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .concept-feature-card {
        padding: var(--spacing-sm);
    }

    .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .comparison-row.header {
        display: none;
    }

    .comparison-cell {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }

    .comparison-cell:first-child {
        font-weight: 700;
        color: var(--color-gold);
        margin-bottom: var(--spacing-xs);
    }

    .web3-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .web3-feature-item {
        padding: var(--spacing-sm);
    }

    .hardware-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .hardware-type-grid {
        grid-template-columns: 1fr;
    }

    .distributed-principles {
        gap: var(--spacing-sm);
    }

    .principle-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-sm);
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .concept-integration {
        padding: var(--spacing-md);
    }

    .integration-flow {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .dcdn-comparison {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .dcdn-comparison .comparison-table {
        min-width: 600px;
    }

    .dcdn-comparison .comparison-table th,
    .dcdn-comparison .comparison-table td {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: var(--font-size-sm);
    }

    .depin-nodes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .depin-node-card {
        padding: var(--spacing-md);
    }

    .node-icon {
        font-size: 36px;
    }

    .depin-title {
        font-size: var(--font-size-xl);
    }

    .hardware-type-grid {
        grid-template-columns: 1fr;
    }

    .principle-item {
        flex-direction: column;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .integration-flow {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    /* 技术页 Tab：移动版单列纵向排列，避免双列挤压；对比表改为纵向块 */
    .tech-tabs-section .container {
        padding-left: max(0.5rem, env(safe-area-inset-left, 0px));
        padding-right: max(0.5rem, env(safe-area-inset-right, 0px));
        max-width: 100%;
    }

    .tech-tabs-section .tab-content-inner {
        padding: var(--spacing-md) var(--spacing-sm);
        border-radius: 12px;
        width: 100%;
        max-width: none;
        box-sizing: border-box;
    }

    .tech-tabs-section .concept-section {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .tech-tabs-section .concept-description {
        font-size: var(--font-size-base);
        line-height: 1.65;
    }

    .tech-tabs-section .concept-features,
    .tech-tabs-section .web3-features,
    .tech-tabs-section .hardware-benefits,
    .tech-tabs-section .hardware-type-grid,
    .tech-tabs-section .advantages-grid,
    .tech-tabs-section .depin-nodes-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .tech-tabs-section .web3-feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .tech-tabs-section .web3-comparison {
        overflow-x: visible;
        width: 100%;
    }

    .tech-tabs-section .comparison-table {
        min-width: 0;
    }

    .tech-tabs-section .comparison-row.header {
        display: none;
    }

    .tech-tabs-section .comparison-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(212, 175, 55, 0.12);
    }

    .tech-tabs-section .comparison-row:last-child {
        border-bottom: none;
    }

    .tech-tabs-section .comparison-cell {
        font-size: var(--font-size-sm);
        line-height: 1.45;
        padding: var(--spacing-xs) 0;
    }

    .tech-tabs-section .comparison-cell:first-child {
        font-weight: 700;
        color: var(--color-gold);
        margin-bottom: var(--spacing-xs);
    }

    .tech-tabs-section .depin-network-layout {
        padding: var(--spacing-sm);
    }

    .tech-tabs-section .integration-content p {
        max-width: none;
        padding: 0;
    }

    .tech-tabs-section .concept-integration {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    /* Tab 内其余多列网格（与其它 Tab 子页共用类名时强制单列） */
    .tech-tabs-section .protocol-grid,
    .tech-tabs-section .depth-grid,
    .tech-tabs-section .ops-grid,
    .tech-tabs-section .init-flow,
    .tech-tabs-section .security-features-grid,
    .tech-tabs-section .features-grid,
    .tech-tabs-section .bsc-advantages,
    .tech-tabs-section .contracts-grid,
    .tech-tabs-section .detail-grid,
    .tech-tabs-section .nodes-grid,
    .tech-tabs-section .container-services,
    .tech-tabs-section .docker-services,
    .tech-tabs-section .deployment-steps,
    .tech-tabs-section .phase-tasks,
    .tech-tabs-section .partners-grid {
        grid-template-columns: 1fr;
    }

    .tech-tabs-section .integration-flow {
        flex-direction: column;
        align-items: center;
    }

    .tech-tabs-section .integration-flow .flow-arrow {
        transform: rotate(90deg);
    }

    /* —— 全站其它页面：移动端多列网格统一单列（减轻挤压，与 /technology 策略一致） ——
       不覆盖：.footer-links（页脚两列）、.nav-menu、表格类布局 */
    .features-grid,
    .hardware-grid,
    .partners-grid,
    .blog-grid,
    .resources-grid,
    .guidelines-grid,
    .requirements-grid,
    .screenshots-grid,
    .contact-grid,
    .pillars-grid,
    .steps-grid,
    .metrics-grid,
    .distribution-grid,
    .staking-grid,
    .token-stats-grid,
    .performance-grid,
    .stats-grid,
    .social-links-grid,
    .arch-box-content,
    .deploy-services,
    .tech-grid,
    .depin-nodes-grid,
    .hardware-type-grid,
    .advantages-grid,
    .protocol-grid,
    .depth-grid,
    .ops-grid,
    .security-features-grid,
    .nodes-grid,
    .detail-grid,
    .security-grid,
    .contracts-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Monitor Dashboard Styles
   ============================================ */

.monitor-hero {
    display: flex;
    align-items: center;
    text-align: center;
    background: var(--gradient-dark);
}

.monitor-hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.monitor-hero .section-header {
    width: 100%;
}

.monitor-stats {
    background: var(--color-black);
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.5s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.stat-card:hover::before {
    left: 100%;
}

.stat-icon {
    font-size: var(--font-size-4xl);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    border-radius: 16px;
    flex-shrink: 0;
}

/* SVG 为 img 引用，金色描边叠在金色底上对比差；统一改为白色线稿 */
.monitor-stats .stat-icon img.ui-theme-icon {
    filter: brightness(0) invert(1);
}

.stat-info {
    flex: 1;
}

.stat-label {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    color: var(--color-gold);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    color: var(--color-text-dark);
    font-size: var(--font-size-xs);
}

.stat-change.positive {
    color: #00ff00;
}

.stat-change.negative {
    color: #ff4444;
}

.monitor-charts {
    background: var(--gradient-dark);
    padding: var(--spacing-xl) 0;
}

.chart-container {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.chart-container:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow-gold);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.chart-header h2 {
    color: var(--color-gold);
    font-weight: 700;
    font-size: var(--font-size-2xl);
    margin: 0;
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.update-time {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

.chart-wrapper {
    width: 100%;
    overflow-x: auto;
}

.chart-svg {
    width: 100%;
    height: 400px;
    display: block;
}

.chart-svg .axis text {
    fill: var(--color-text-dark);
    font-size: 12px;
}

.chart-svg .axis line,
.chart-svg .axis path {
    stroke: rgba(212, 175, 55, 0.3);
    stroke-width: 1;
}

.chart-svg .dot {
    cursor: pointer;
    transition: r 0.2s;
}

.chart-svg .dot:hover {
    r: 6;
}

.chart-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid var(--color-gold);
    border-radius: 8px;
    padding: var(--spacing-sm);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    pointer-events: none;
    z-index: 1000;
    box-shadow: var(--shadow-gold);
}

.chart-tooltip strong {
    color: var(--color-gold);
    display: block;
    margin-bottom: 4px;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.performance-item {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
}

.performance-item h3 {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.performance-value {
    color: var(--color-gold);
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.performance-unit {
    color: var(--color-text-dark);
    font-size: var(--font-size-sm);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .performance-grid {
        grid-template-columns: 1fr;
    }

    .chart-svg {
        height: 300px;
    }
}