```css
/* ==========================================================================
   五月影院 - 五月好片连连看，热门电影与剧集精选
   网站: yihaoyunyi.com
   描述: 完整样式表 - 渐变Banner、圆角卡片、毛玻璃效果、响应式布局、
         暗色模式、滚动动画、hover动画
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 基础重置与CSS变量
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 品牌色 */
    --brand-primary: #0b1a2f;
    --brand-secondary: #1e3a5f;
    --brand-accent: #e8b84b;
    --brand-accent-soft: #f5d98a;
    --brand-accent-glow: rgba(232, 184, 75, 0.35);

    /* 中性色 */
    --brand-light: #f8f6f0;
    --brand-white: #ffffff;
    --brand-gray: #f0f0f0;
    --brand-gray-dark: #e2e2e2;
    --brand-text: #1a1a1a;
    --brand-text-light: #5a5a5a;
    --brand-text-lighter: #8a8a8a;

    /* 渐变 */
    --gradient-brand: linear-gradient(135deg, #0b1a2f 0%, #1e3a5f 50%, #2a4a75 100%);
    --gradient-accent: linear-gradient(135deg, #e8b84b 0%, #f5d98a 100%);
    --gradient-hero: linear-gradient(135deg, #0b1a2f 0%, #1a2f4a 40%, #2a4a75 70%, #1e3a5f 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(232, 184, 75, 0.06) 0%, rgba(232, 184, 75, 0.02) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 100%);
    --gradient-dark-glass: linear-gradient(135deg, rgba(30, 30, 40, 0.7) 0%, rgba(20, 20, 30, 0.5) 100%);

    /* 玻璃拟态 */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.35);
    --glass-blur: 16px;
    --glass-shadow: 0 8px 32px rgba(11, 26, 47, 0.08);

    /* 圆角 */
    --brand-radius: 16px;
    --brand-radius-sm: 12px;
    --brand-radius-lg: 24px;
    --brand-radius-pill: 999px;

    /* 阴影 */
    --brand-shadow: 0 4px 20px rgba(11, 26, 47, 0.06);
    --brand-shadow-hover: 0 12px 36px rgba(11, 26, 47, 0.12);
    --brand-shadow-accent: 0 8px 28px rgba(232, 184, 75, 0.28);
    --brand-shadow-glow: 0 0 40px rgba(232, 184, 75, 0.15);

    /* 过渡 */
    --brand-transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --brand-transition-fast: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    --brand-transition-slow: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);

    /* 字体 */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
}

/* --------------------------------------------------------------------------
   2. 基础排版
   -------------------------------------------------------------------------- */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--brand-light);
    color: var(--brand-text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* 背景装饰光晕 */
body::before {
    content: '';
    position: fixed;
    top: -30%;
    right: -15%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -30%;
    left: -15%;
    width: 55vw;
    height: 55vw;
    background: radial-gradient(circle, rgba(30, 58, 95, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

img,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--brand-accent);
    text-decoration: none;
    transition: var(--brand-transition-fast);
}

a:hover {
    color: var(--brand-primary);
}

code {
    font-family: var(--font-mono);
    background-color: rgba(232, 184, 75, 0.1);
    color: var(--brand-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--brand-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--brand-secondary);
    border-radius: 5px;
    border: 2px solid var(--brand-gray);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-accent);
}

/* 选中文本 */
::selection {
    background-color: var(--brand-accent);
    color: var(--brand-primary);
}

/* --------------------------------------------------------------------------
   3. 暗黑模式
   -------------------------------------------------------------------------- */
body.dark-mode {
    --brand-light: #0e0e12;
    --brand-white: #1a1a22;
    --brand-gray: #25252e;
    --brand-gray-dark: #2e2e3a;
    --brand-text: #e8e8ec;
    --brand-text-light: #a0a0b0;
    --brand-text-lighter: #707080;
    --brand-primary: #e8b84b;
    --brand-secondary: #f5d98a;
    --brand-accent: #e8b84b;
    --brand-accent-soft: #f5d98a;
    --brand-accent-glow: rgba(232, 184, 75, 0.25);

    --glass-bg: rgba(26, 26, 34, 0.78);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    --brand-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --brand-shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
    --brand-shadow-accent: 0 8px 28px rgba(232, 184, 75, 0.2);
    --brand-shadow-glow: 0 0 40px rgba(232, 184, 75, 0.1);

    --gradient-brand: linear-gradient(135deg, #0e0e12 0%, #1a1a22 50%, #25252e 100%);
    --gradient-hero: linear-gradient(135deg, #0a0a10 0%, #14141c 40%, #1e1e28 70%, #12121a 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(232, 184, 75, 0.08) 0%, rgba(232, 184, 75, 0.02) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
    --gradient-dark-glass: linear-gradient(135deg, rgba(30, 30, 40, 0.8) 0%, rgba(20, 20, 30, 0.6) 100%);
}

body.dark-mode::before {
    background: radial-gradient(circle, rgba(232, 184, 75, 0.04) 0%, transparent 70%);
}

body.dark-mode::after {
    background: radial-gradient(circle, rgba(232, 184, 75, 0.03) 0%, transparent 70%);
}

body.dark-mode .site-header {
    background-color: rgba(18, 18, 26, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

body.dark-mode .card,
body.dark-mode .article-card,
body.dark-mode .faq-item,
body.dark-mode .contact-card,
body.dark-mode .stat-item,
body.dark-mode .howto-step,
body.dark-mode .team-card {
    background-color: #1e1e28;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

body.dark-mode .banner-slider {
    background: var(--gradient-hero);
}

body.dark-mode .quote-block {
    background-color: #1e1e28;
}

body.dark-mode .data-table {
    background-color: #1e1e28;
}

body.dark-mode .data-table th {
    background-color: #14141c;
}

body.dark-mode .data-table td {
    border-bottom-color: #2e2e3a;
}

body.dark-mode .site-footer {
    background-color: #0a0a10;
}

body.dark-mode .search-box {
    background-color: #25252e;
}

body.dark-mode ::-webkit-scrollbar-track {
    background: #1a1a22;
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: #3a3a48;
    border-color: #1a1a22;
}

/* --------------------------------------------------------------------------
   4. 容器与布局
   -------------------------------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

main.container {
    padding-top: 8px;
    padding-bottom: 40px;
}

/* --------------------------------------------------------------------------
   5. 吸顶导航
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 2px 20px rgba(11, 26, 47, 0.05);
    transition: var(--brand-transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
    transition: var(--brand-transition);
}

.logo:hover {
    transform: translateY(-1px);
}

.logo svg {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(11, 26, 47, 0.15);
    transition: var(--brand-transition);
}

.logo:hover svg {
    box-shadow: 0 6px 20px rgba(232, 184, 75, 0.3);
    transform: rotate(-3deg) scale(1.05);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--brand-primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: var(--brand-transition);
}

.logo-text span {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--brand-text);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--brand-transition);
    position: relative;
    padding: 8px 14px;
    border-radius: var(--brand-radius-pill);
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
}

.nav-menu a:hover {
    color: var(--brand-accent);
    background-color: rgba(232, 184, 75, 0.08);
}

.nav-menu a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* 头部操作区 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* 搜索框 - 毛玻璃 */
.search-box {
    display: flex;
    align-items: center;
    background-color: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--brand-radius-pill);
    padding: 7px 16px;
    transition: var(--brand-transition);
    box-shadow: 0 2px 8px rgba(11, 26, 47, 0.04);
}

.search-box:focus-within {
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px var(--brand-accent-glow), 0 4px 16px rgba(232, 184, 75, 0.15);
    background-color: var(--brand-white);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.88rem;
    width: 150px;
    color: var(--brand-text);
    font-family: inherit;
    transition: width 0.3s ease;
}

.search-box input::placeholder {
    color: var(--brand-text-lighter);
}

.search-box:focus-within input {
    width: 180px;
}

.search-box button {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    color: var(--brand-text-light);
    transition: var(--brand-transition-fast);
    border-radius: 50%;
}

.search-box button:hover {
    color: var(--brand-accent);
    transform: scale(1.1);
}

/* 暗黑模式切换按钮 */
.dark-toggle {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--brand-transition);
    color: var(--brand-text);
    box-shadow: 0 2px 8px rgba(11, 26, 47, 0.04);
}

.dark-toggle:hover {
    border-color: var(--brand-accent);
    color: var(--brand-accent);
    transform: rotate(20deg) scale(1.05);
    box-shadow: 0 4px 16px var(--brand-accent-glow);
}

.dark-toggle:active {
    transform: rotate(20deg) scale(0.95);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--brand-radius-sm);
    cursor: pointer;
    padding: 8px;
    color: var(--brand-text);
    transition: var(--brand-transition);
}

.mobile-menu-btn:hover {
    color: var(--brand-accent);
    border-color: var(--brand-accent);
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 12px 32px rgba(11, 26, 47, 0.12);
    z-index: 999;
    padding: 12px 24px 20px;
    flex-direction: column;
    gap: 4px;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    animation: slideDown 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-nav.active {
    display: flex;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav a {
    text-decoration: none;
    color: var(--brand-text);
    font-size: 1rem;
    font-weight: 500;
    padding: 14px 16px;
    border-radius: var(--brand-radius-sm);
    transition: var(--brand-transition);
    display: flex;
    align-items: center;
}

.mobile-nav a:hover {
    color: var(--brand-accent);
    background-color: rgba(232, 184, 75, 0.08);
    padding-left: 24px;
}

/* --------------------------------------------------------------------------
   6. 面包屑
   -------------------------------------------------------------------------- */
.breadcrumb {
    padding: 20px 24px 8px;
    font-size: 0.85rem;
    color: var(--brand-text-lighter);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
}

.breadcrumb a {
    color: var(--brand-text-light);
    text-decoration: none;
    transition: var(--brand-transition-fast);
    padding: 2px 4px;
    border-radius: 6px;
}

.breadcrumb a:hover {
    color: var(--brand-accent);
    background-color: rgba(232, 184, 75, 0.08);
}

.breadcrumb span {
    margin: 0 4px;
    color: var(--brand-text-lighter);
}

/* --------------------------------------------------------------------------
   7. Banner轮播 - 渐变背景
   -------------------------------------------------------------------------- */
.banner-slider {
    position: relative;
    border-radius: var(--brand-radius-lg);
    overflow: hidden;
    margin-bottom: 48px;
    background: var(--gradient-hero);
    min-height: 420px;
    box-shadow: 0 16px 48px rgba(11, 26, 47, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

/* 装饰性光晕 */
.banner-slider::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.banner-slider::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.banner-slide {
    display: none;
    padding: 72px 56px;
    min-height: 420px;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.banner-slide.active {
    display: flex;
    animation: bannerFadeIn 0.7s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes bannerFadeIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.banner-slide h2 {
    font-size: 2.4rem;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.3;
    max-width: 800px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #ffffff 0%, #f5d98a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.banner-slide p {
    font-size: 1.08rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 680px;
    line-height: 1.8;
}

.banner-slide .banner-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 14px 38px;
    background: var(--gradient-accent);
    color: #0b1a2f;
    text-decoration: none;
    border-radius: var(--brand-radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--brand-transition);
    box-shadow: 0 8px 24px rgba(232, 184, 75, 0.35);
    position: relative;
    overflow: hidden;
}

.banner-slide .banner-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.banner-slide .banner-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 36px rgba(232, 184, 75, 0.5);
    color: #0b1a2f;
}

.banner-slide .banner-btn:hover::before {
    left: 100%;
}

.banner-slide .banner-btn:active {
    transform: translateY(-1px) scale(0.99);
}

/* 轮播指示点 */
.banner-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.35);
    border: none;
    cursor: pointer;
    transition: var(--brand-transition);
    padding: 0;
    position: relative;
}

.banner-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid transparent;
    transition: var(--brand-transition);
}

.banner-dot:hover {
    background-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.banner-dot.active {
    background: var(--gradient-accent);
    transform: scale(1.3);
    box-shadow: 0 0 12px rgba(232, 184, 75, 0.6);
}

.banner-dot.active::after {
    border-color: rgba(232, 184, 75, 0.4);
    inset: -5px;
}

/* --------------------------------------------------------------------------
   8. 数字动画统计
   -------------------------------------------------------------------------- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.stat-item {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stat-item:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(232, 184, 75, 0.15);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--brand-text-light);
    margin-top: 8px;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   9. 通用区块
   -------------------------------------------------------------------------- */
.section {
    margin-bottom: 64px;
    position: relative;
}

.section-title {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--brand-primary);
    margin-bottom: 12px;
    position: relative;
    padding-bottom: 16px;
    letter-spacing: -0.3px;
    line-height: 1.35;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 64px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.section:hover .section-title::after {
    width: 96px;
}

.section-subtitle {
    font-size: 1.02rem;
    color: var(--brand-text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--brand-primary);
    margin: 32px 0 14px;
    line-height: 1.4;
    padding-left: 14px;
    border-left: 4px solid var(--brand-accent);
    transition: var(--brand-transition);
}

.section h3:hover {
    border-left-color: var(--brand-secondary);
    padding-left: 18px;
}

.section h4 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--brand-secondary);
    margin: 24px 0 10px;
    line-height: 1.4;
}

.section p {
    margin-bottom: 16px;
    color: var(--brand-text);
    text-align: justify;
    line-height: 1.85;
    font-size: 0.98rem;
}

.section p strong {
    color: var(--brand-primary);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   10. 卡片网格
   -------------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    padding: 32px 28px;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card-hover);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.card:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(232, 184, 75, 0.12);
}

.card:hover::before {
    opacity: 1;
}

.card:hover::after {
    transform: scaleX(1);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(232, 184, 75, 0.14) 0%, rgba(232, 184, 75, 0.06) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--brand-accent);
    transition: var(--brand-transition);
    position: relative;
    z-index: 1;
}

.card:hover .card-icon {
    transform: scale(1.08) rotate(-4deg);
    box-shadow: 0 8px 20px rgba(232, 184, 75, 0.2);
}

.card h4 {
    font-size: 1.12rem;
    margin-bottom: 10px;
    color: var(--brand-primary);
    font-weight: 700;
    position: relative;
    z-index: 1;
    transition: var(--brand-transition);
}

.card:hover h4 {
    color: var(--brand-accent);
}

.card p {
    font-size: 0.92rem;
    color: var(--brand-text-light);
    margin: 0;
    line-height: 1.75;
    position: relative;
    z-index: 1;
}

.card ul {
    position: relative;
    z-index: 1;
}

.card ul li a {
    color: var(--brand-text-light);
    font-size: 0.92rem;
    transition: var(--brand-transition-fast);
    display: inline-block;
}

.card ul li a:hover {
    color: var(--brand-accent);
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   11. 文章卡片
   -------------------------------------------------------------------------- */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.article-card {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    overflow: hidden;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid transparent;
}

.article-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card-hover);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.article-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 2;
}

.article-card:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(232, 184, 75, 0.12);
}

.article-card:hover::before {
    opacity: 1;
}

.article-card:hover::after {
    transform: scaleX(1);
}

.article-card-body {
    padding: 28px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.article-card h4 {
    font-size: 1.08rem;
    color: var(--brand-primary);
    margin-bottom: 12px;
    line-height: 1.5;
    font-weight: 700;
    transition: var(--brand-transition);
}

.article-card:hover h4 {
    color: var(--brand-accent);
}

.article-meta {
    font-size: 0.82rem;
    color: var(--brand-text-lighter);
    margin-bottom: 14px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

.article-meta span + span::before {
    content: '·';
    margin-right: 12px;
    color: var(--brand-gray-dark);
}

.article-card p {
    font-size: 0.9rem;
    color: var(--brand-text-light);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 0;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--brand-accent);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--brand-transition);
    align-self: flex-start;
}

.article-link:hover {
    color: var(--brand-primary);
    gap: 12px;
}

.article-link::after {
    content: '';
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

.article-link:hover::after {
    width: 20px;
}

/* 文章详情锚点区域 */
#article-1,
#article-2,
#article-3,
#article-4,
#article-5,
#article-6,
#article-7,
#article-8,
#article-9,
#article-10 {
    scroll-margin-top: 90px;
    padding: 24px 28px;
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    box-shadow: var(--brand-shadow);
    border-left: 4px solid var(--brand-accent);
    transition: var(--brand-transition);
}

#article-1:hover,
#article-2:hover,
#article-3:hover,
#article-4:hover,
#article-5:hover,
#article-6:hover,
#article-7:hover,
#article-8:hover,
#article-9:hover,
#article-10:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateX(4px);
}

#article-1 h3,
#article-2 h3,
#article-3 h3,
#article-4 h3,
#article-5 h3,
#article-6 h3,
#article-7 h3,
#article-8 h3,
#article-9 h3,
#article-10 h3 {
    margin-top: 0;
    border-left: none;
    padding-left: 0;
}

#article-1 code,
#article-2 code,
#article-3 code,
#article-4 code,
#article-5 code,
#article-6 code,
#article-7 code,
#article-8 code,
#article-9 code,
#article-10 code {
    font-size: 0.85em;
}

/* --------------------------------------------------------------------------
   12. FAQ手风琴
   -------------------------------------------------------------------------- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    box-shadow: var(--brand-shadow);
    overflow: hidden;
    transition: var(--brand-transition);
    border: 1px solid transparent;
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-item:hover {
    box-shadow: var(--brand-shadow-hover);
    border-color: rgba(232, 184, 75, 0.12);
}

.faq-item.open {
    box-shadow: var(--brand-shadow-hover);
    border-color: rgba(232, 184, 75, 0.2);
}

.faq-item.open::before {
    transform: scaleY(1);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 26px;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-family: inherit;
    transition: var(--brand-transition);
    line-height: 1.5;
}

.faq-question:hover {
    color: var(--brand-accent);
    background-color: rgba(232, 184, 75, 0.04);
}

.faq-question .faq-icon {
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 1.3rem;
    color: var(--brand-accent);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(232, 184, 75, 0.1);
    font-weight: 400;
    line-height: 1;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--gradient-accent);
    color: #0b1a2f;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.25, 0.8, 0.25, 1),
                padding 0.5s cubic-bezier(0.25, 0.8, 0.25, 1),
                opacity 0.4s ease;
    padding: 0 26px;
    color: var(--brand-text-light);
    font-size: 0.95rem;
    line-height: 1.85;
    opacity: 0;
}

.faq-item.open .faq-answer {
    max-height: 800px;
    padding: 0 26px 24px;
    opacity: 1;
}

.faq-answer p {
    margin-bottom: 0;
    text-align: justify;
}

/* --------------------------------------------------------------------------
   13. HowTo步骤
   -------------------------------------------------------------------------- */
.howto-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.howto-step {
    display: flex;
    gap: 24px;
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    padding: 28px;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.howto-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.howto-step:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateX(6px);
    border-color: rgba(232, 184, 75, 0.12);
}

.howto-step:hover::before {
    transform: scaleY(1);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #0b1a2f;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.15rem;
    box-shadow: 0 6px 16px rgba(232, 184, 75, 0.3);
    transition: var(--brand-transition);
}

.howto-step:hover .step-number {
    transform: scale(1.1) rotate(-6deg);
    box-shadow: 0 8px 24px rgba(232, 184, 75, 0.45);
}

.step-content {
    flex: 1;
}

.step-content h4 {
    margin: 0 0 8px;
    font-size: 1.08rem;
    color: var(--brand-primary);
    font-weight: 700;
    transition: var(--brand-transition);
}

.howto-step:hover .step-content h4 {
    color: var(--brand-accent);
}

.step-content p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--brand-text-light);
    line-height: 1.75;
}

/* --------------------------------------------------------------------------
   14. 团队卡片
   -------------------------------------------------------------------------- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.team-card {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    padding: 32px 26px;
    text-align: center;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--gradient-brand);
    opacity: 0.04;
    transition: var(--brand-transition);
}

.team-card:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(232, 184, 75, 0.12);
}

.team-card:hover::before {
    opacity: 0.08;
    height: 100px;
}

.team-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    margin: 0 auto 18px;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(11, 26, 47, 0.15);
    transition: var(--brand-transition);
    position: relative;
    z-index: 1;
    border: 3px solid var(--brand-white);
}

.team-card:hover .team-avatar {
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(232, 184, 75, 0.3);
    border-color: var(--brand-accent);
}

.team-card h4 {
    font-size: 1.08rem;
    color: var(--brand-primary);
    margin-bottom: 6px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.team-card .team-role {
    font-size: 0.85rem;
    color: var(--brand-accent);
    font-weight: 600;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.team-card p {
    font-size: 0.88rem;
    color: var(--brand-text-light);
    margin: 0;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* --------------------------------------------------------------------------
   15. 联系卡片
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.contact-card {
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    padding: 32px 26px;
    box-shadow: var(--brand-shadow);
    transition: var(--brand-transition);
    text-align: center;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card-hover);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.contact-card:hover {
    box-shadow: var(--brand-shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(232, 184, 75, 0.12);
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-card .contact-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(232, 184, 75, 0.14) 0%, rgba(232, 184, 75, 0.06) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: var(--brand-accent);
    transition: var(--brand-transition);
    position: relative;
    z-index: 1;
}

.contact-card:hover .contact-icon {
    transform: scale(1.1) rotate(-6deg);
    box-shadow: 0 8px 24px rgba(232, 184, 75, 0.25);
    background: var(--gradient-accent);
    color: #0b1a2f;
}

.contact-card h4 {
    font-size: 1.02rem;
    color: var(--brand-primary);
    margin-bottom: 10px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    transition: var(--brand-transition);
}

.contact-card:hover h4 {
    color: var(--brand-accent);
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--brand-text-light);
    margin: 0;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* --------------------------------------------------------------------------
   16. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--gradient-brand);
    color: rgba(255, 255, 255, 0.72);
    padding: 56px 0 28px;
    margin-top: 56px;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.footer-brand h3 {
    color: #ffffff;
    font-size: 1.3rem;
    margin-bottom: 14px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #f5d98a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 16px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 18px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 1px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--brand-transition);
    display: inline-block;
    position: relative;
}

.footer-col ul li a::before {
    content: '›';
    position: absolute;
    left: -12px;
    opacity: 0;
    transition: var(--brand-transition);
    color: var(--brand-accent);
}

.footer-col ul li a:hover {
    color: var(--brand-accent);
    padding-left: 8px;
}

.footer-col ul li a:hover::before {
    opacity: 1;
    left: -4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: var(--brand-transition-fast);
    padding: 2px 4px;
    border-radius: 4px;
}

.footer-bottom a:hover {
    color: var(--brand-accent);
    background-color: rgba(232, 184, 75, 0.08);
}

/* --------------------------------------------------------------------------
   17. 返回顶部
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 36px;
    right: 36px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gradient-accent);
    color: #0b1a2f;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(232, 184, 75, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    transition: var(--brand-transition);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 16px 40px rgba(232, 184, 75, 0.55);
}

.back-to-top:active {
    transform: translateY(-2px) scale(0.98);
}

/* --------------------------------------------------------------------------
   18. 滚动动画
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: opacity, transform;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 交错延迟 */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* --------------------------------------------------------------------------
   19. 图片懒加载占位
   -------------------------------------------------------------------------- */
img[loading="lazy"] {
    background-color: var(--brand-gray);
    min-height: 40px;
    border-radius: var(--brand-radius-sm);
}

/* --------------------------------------------------------------------------
   20. 文章内页锚点与高亮
   -------------------------------------------------------------------------- */
.anchor-link {
    color: var(--brand-accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--brand-accent);
    transition: var(--brand-transition-fast);
    padding-bottom: 1px;
}

.anchor-link:hover {
    color: var(--brand-primary);
    border-bottom-style: solid;
    border-bottom-color: var(--brand-primary);
}

.highlight {
    color: var(--brand-accent);
    font-weight: 700;
    position: relative;
    padding: 0 2px;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: rgba(232, 184, 75, 0.12);
    border-radius: 2px;
    z-index: -1;
}

/* --------------------------------------------------------------------------
   21. 标签
   -------------------------------------------------------------------------- */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    display: inline-block;
    padding: 5px 14px;
    background: linear-gradient(135deg, rgba(232, 184, 75, 0.14) 0%, rgba(232, 184, 75, 0.06) 100%);
    color: var(--brand-accent);
    border-radius: var(--brand-radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--brand-transition);
    border: 1px solid rgba(232, 184, 75, 0.15);
    cursor: default;
}

.tag:hover {
    background: var(--gradient-accent);
    color: #0b1a2f;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(232, 184, 75, 0.3);
}

/* --------------------------------------------------------------------------
   22. 引用块
   -------------------------------------------------------------------------- */
.quote-block {
    border-left: 4px solid var(--brand-accent);
    background: linear-gradient(135deg, rgba(232, 184, 75, 0.06) 0%, rgba(232, 184, 75, 0.02) 100%);
    padding: 24px 28px;
    border-radius: 0 var(--brand-radius) var(--brand-radius) 0;
    margin: 24px 0;
    font-style: italic;
    color: var(--brand-text-light);
    position: relative;
    transition: var(--brand-transition);
    line-height: 1.8;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: 8px;
    left: 16px;
    font-size: 3rem;
    color: rgba(232, 184, 75, 0.15);
    font-family: Georgia, serif;
    line-height: 1;
    font-style: normal;
}

.quote-block:hover {
    border-left-color: var(--brand-secondary);
    box-shadow: var(--brand-shadow);
    transform: translateX(4px);
}

.quote-block cite {
    display: block;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--brand-accent);
    font-style: normal;
    font-weight: 600;
}

.quote-block cite::before {
    content: '— ';
}

/* --------------------------------------------------------------------------
   23. 数据表格
   -------------------------------------------------------------------------- */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 24px 0;
    background-color: var(--brand-white);
    border-radius: var(--brand-radius);
    overflow: hidden;
    box-shadow: var(--brand-shadow);
}

.data-table th,
.data-table td {
    padding: 16px 20px;
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.6;
}

.data-table th {
    background: var(--gradient-brand);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.3px;
    position: relative;
}

.data-table th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
}

.data-table td {
    border-bottom: 1px solid var(--brand-gray);
    color: var(--brand-text-light);
    transition: var(--brand-transition-fast);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr {
    transition: var(--brand-transition-fast);
}

.data-table tbody tr:hover td {
    background-color: rgba(232, 184, 75, 0.04);
    color: var(--brand-text);
}

.data-table tbody tr:hover td:first-child {
    color: var(--brand-accent);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   24. 响应式 - 大屏
   -------------------------------------------------------------------------- */
@media (min-width: 1400px) {
    .container {
        max-width: 1280px;
    }

    .banner-slide h2 {
        font-size: 2.6rem;
    }

    .section-title {
        font-size: 1.85rem;
    }
}

/* --------------------------------------------------------------------------
   25. 响应式 - 平板
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }

    .header-inner {
        height: 66px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-nav {
        top: 66px;
    }

    .search-box input {
        width: 110px;
    }

    .search-box:focus-within input {
        width: 140px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .banner-slide {
        padding: 56px 40px;
        min-height: 380px;
    }

    .banner-slide h2 {
        font-size: 1.9rem;
    }

    .banner-slider {
        min-height: 380px;
    }

    .article-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* --------------------------------------------------------------------------
   26. 响应式 - 手机
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
    body {
        font-size: 15px;
        line-height: 1.7;
    }

    .container {
        padding: 0 16px;
    }

    .header-inner {
        height: 60px;
        gap: 12px;
    }

    .logo-text {
        font-size: 1.15rem;
    }

    .logo svg {
        width: 34px;
        height: 34px;
    }

    .search-box {
        display: none;
    }

    .dark-toggle {
        width: 36px;
        height: 36px;
    }

    .mobile-menu-btn {
        padding: 6px;
    }

    .mobile-nav {
        top: 60px;
        padding: 10px 16px 16px;
    }

    .mobile-nav a {
        font-size: 0.95rem;
        padding: 12px 14px;
    }

    .breadcrumb {
        padding: 14px 16px 6px;
        font-size: 0.8rem;
    }

    /* Banner */
    .banner-slider {
        min-height: 340px;
        border-radius: var(--brand-radius);
        margin-bottom: 32px;
    }

    .banner-slide {
        padding: 44px 24px;
        min-height: 340px;
        gap: 14px;
    }

    .banner-slide h2 {
        font-size: 1.45rem;
        line-height: 1.35;
    }

    .banner-slide p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .banner-slide .banner-btn {
        padding: 12px 28px;
        font-size: 0.88rem;
    }

    .banner-dots {
        bottom: 16px;
    }

    .banner-dot {
        width: 8px;
        height: 8px;
    }

    /* 统计 */
    .stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 36px;
    }

    .stat-item {
        padding: 22px 14px;
        border-radius: var(--brand-radius-sm);
    }

    .stat-number {
        font-size: 1.65rem;
    }

    .stat-label {
        font-size: 0.8rem;
        margin-top: 4px;
    }

    /* 区块 */
    .section {
        margin-bottom: 44px;
    }

    .section-title {
        font-size: 1.3rem;
        padding-bottom: 12px;
        margin-bottom: 10px;
    }

    .section-title::after {
        width: 48px;
        height: 3px;
    }

    .section-subtitle {
        font-size: 0.92rem;
        margin-bottom: 22px;
    }

    .section h3 {
        font-size: 1.12rem;
        margin: 24px 0 10px;
        padding-left: 12px;
    }

    .section h4 {
        font-size: 1rem;
        margin: 18px 0 8px;
    }

    .section p {
        font-size: 0.92rem;
        line-height: 1.8;
        text-align: left;
    }

    /* 卡片 */
    .card-grid,
    .article-grid,
    .team-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card {
        padding: 24px 20px;
        border-radius: var(--brand-radius-sm);
    }

    .card-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        margin-bottom: 16px;
    }

    .card h4 {
        font-size: 1.02rem;
    }

    .article-card-body {
        padding: 22px 20px;
    }

    .article-card h4 {
        font-size: 1rem;
    }

    .article-meta {
        font-size: 0.78rem;
        gap: 12px;
    }

    /* FAQ */
    .faq-question {
        padding: 16px 20px;
        font-size: 0.94rem;
        gap: 12px;
    }

    .faq-icon {
        width: 24px;
        height: 24px;
        font-size: 1.1rem;
    }

    .faq-answer {
        padding: 0 20px;
        font-size: 0.9rem;
    }

    .faq-item.open .faq-answer {
        padding: 0 20px 20px;
    }

    /* HowTo */
    .howto-step {
        flex-direction: column;
        gap: 14px;
        padding: 22px 20px;
        border-radius: var(--brand-radius-sm);
    }

    .step-number {
        width: 42px;
        height: 42px;
        font-size: 1.05rem;
    }

    .step-content h4 {
        font-size: 1rem;
    }

    .step-content p {
        font-size: 0.88rem;
    }

    /* 联系 */
    .contact-card {
        padding: 24px 20px;
        border-radius: var(--brand-radius-sm);
    }

    .contact-card .contact-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 14px;
    }

    /* 文章锚点 */
    #article-1,
    #article-2,
    #article-3,
    #article-4,
    #article-5,
    #article-6,
    #article-7,
    #article-8,
    #article-9,
    #article-10 {
        padding: 20px 18px;
        margin-top: 24px !important;
        border-radius: var(--brand-radius-sm);
    }

    /* 引用块 */
    .quote-block {
        padding: 18px 20px;
        font-size: 0.9rem;
        margin: 18px 0;
    }

    .quote-block::before {
        font-size: 2.2rem;
        top: 6px;
        left: 10px;
    }

    /* 表格 */
    .data-table {
        font-size: 0.85rem;
        border-radius: var(--brand-radius-sm);
    }

    .data-table th,
    .data-table td {
        padding: 12px 14px;
        font-size: 0.82rem;
    }

    /* 页脚 */
    .site-footer {
        padding: 40px 0 20px;
        margin-top: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 28px;
    }

    .footer-brand h3 {
        font-size: 1.15rem;
    }

    .footer-col h4 {
        font-size: 0.92rem;
        margin-bottom: 14px;
    }

    .footer-col ul li {
        margin-bottom: 10px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        padding-top: 20px;
        font-size: 0.78rem;
    }

    /* 返回顶部 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    /* 标签 */
    .tag {
        font-size: 0.75rem;
        padding: 4px 12px;
    }

    /* 代码 */
    code {
        font-size: 0.82em;
        padding: 2px 5px;
    }
}

/* --------------------------------------------------------------------------
   27. 响应式 - 超小屏
   -------------------------------------------------------------------------- */
@media (max-width: 380px) {
    .logo-text {
        font-size: 1rem;
    }

    .logo svg {
        width: 30px;
        height: 30px;
    }

    .banner-slide h2 {
        font-size: 1.28rem;
    }

    .banner-slide p {
        font-size: 0.85rem;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 1.18rem;
    }
}

/* --------------------------------------------------------------------------
   28. 减少动画偏好
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .banner-slide.active {
        animation: none;
    }
}

/* --------------------------------------------------------------------------
   29. 打印样式
   -------------------------------------------------------------------------- */
@media print {
    .site-header,
    .mobile-nav,
    .back-to-top,
    .banner-slider,
    .dark-toggle,
    .search-box,
    .mobile-menu-btn {
        display: none !important;
    }

    body {
        background: #ffffff;
        color: #000000;
        font-size: 12pt;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .card,
    .article-card,
    .faq-item,
    .howto-step,
    .contact-card {
        box-shadow: none;
        border: 1px solid #dddddd;
        break-inside: avoid;
    }

    .section-title::after {
        background: #000000;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }
}

/* --------------------------------------------------------------------------
   30. 焦点可见性（可访问性）
   -------------------------------------------------------------------------- */
:focus-visible {
    outline: 3px solid var(--brand-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid var(--brand-accent);
    outline-offset: 3px;
}

/* 键盘导航跳过链接 */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--brand-accent);
    color: #0b1a2f;
    padding: 12px 24px;
    border-radius: var(--brand-radius-sm);
    font-weight: 700;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
}
```