/* ============================================
   捕鱼游戏系列评测站 - 全站样式
   独特配色方案：深海蓝+金色+珊瑚橙
   ============================================ */

/* CSS变量定义 */
:root {
    --deep-ocean: #0a1628;
    --ocean-blue: #0d2847;
    --sea-medium: #134074;
    --sea-light: #1a5fa1;
    --gold-primary: #f0b429;
    --gold-light: #f7d070;
    --coral-orange: #e8603c;
    --coral-light: #f09070;
    --foam-white: #e8f1f8;
    --pearl-white: #f5f9fc;
    --text-primary: #1a2332;
    --text-secondary: #4a5e78;
    --text-light: #8a9bb5;
    --border-color: #d0dde8;
    --shadow-color: rgba(10, 22, 40, 0.12);
    --gradient-ocean: linear-gradient(135deg, #0d2847 0%, #134074 50%, #1a5fa1 100%);
    --gradient-gold: linear-gradient(135deg, #f0b429 0%, #f7d070 100%);
    --gradient-coral: linear-gradient(135deg, #e8603c 0%, #f09070 100%);
    --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --max-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* 重置与基础 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--pearl-white);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sea-light); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--gold-primary); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.4; color: var(--text-primary); }

/* 干扰标签区块 - 隐藏但保留SEO */
.jammer-block {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

/* 容器 */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section-wrap { padding: 60px 0; }
.section-wrap:nth-child(even) { background-color: var(--foam-white); }

/* ============ 导航栏 ============ */
.site-nav {
    background: var(--gradient-ocean);
    padding: 0;
    box-shadow: 0 4px 20px var(--shadow-color);
    z-index: 100;
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
}
.nav-logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--gold-primary);
    letter-spacing: 1px;
    white-space: nowrap;
}
.nav-logo span { color: #fff; font-weight: 400; font-size: 0.85rem; margin-left: 8px; }
.nav-links { display: flex; gap: 6px; flex-wrap: wrap; }
.nav-links a {
    color: #c8d8e8;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.3s;
    white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.12);
}
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: #fff; margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* ============ 面包屑 ============ */
.breadcrumb-bar {
    background: var(--foam-white);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    font-size: 0.85rem;
}
.breadcrumb-bar a { color: var(--sea-light); }
.breadcrumb-bar span { color: var(--text-light); margin: 0 6px; }

/* ============ 英雄区域 ============ */
.hero-section {
    background: var(--gradient-ocean);
    padding: 80px 0 70px;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(240,180,41,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232,96,60,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero-content h1 {
    font-size: 2.6rem;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.hero-content h1 em {
    font-style: normal;
    color: var(--gold-primary);
    display: inline;
}
.hero-content p {
    color: #b8cce0;
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.9;
}
.hero-cta {
    display: inline-flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}
.btn-primary {
    background: var(--gradient-gold);
    color: var(--deep-ocean);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(240,180,41,0.4); color: var(--deep-ocean); }
.btn-secondary {
    background: transparent;
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}
.btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; }

/* ============ 时间轴 ============ */
.timeline-section { padding: 60px 0; background: var(--foam-white); }
.timeline-wrapper {
    overflow-x: auto;
    padding: 30px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--sea-light) var(--foam-white);
}
.timeline-track {
    display: flex;
    gap: 0;
    min-width: max-content;
    position: relative;
    padding: 20px 40px;
}
.timeline-track::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-ocean);
    border-radius: 2px;
    transform: translateY(-50%);
}
.timeline-node {
    position: relative;
    text-align: center;
    min-width: 180px;
    padding: 0 15px;
    cursor: pointer;
    transition: transform 0.3s;
}
.timeline-node:hover { transform: scale(1.05); }
.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--gold-primary);
    border: 4px solid var(--ocean-blue);
    border-radius: 50%;
    margin: 0 auto 15px;
    position: relative;
    z-index: 2;
    transition: all 0.3s;
}
.timeline-node:hover .timeline-dot { background: var(--coral-orange); transform: scale(1.3); }
.timeline-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.3s;
}
.timeline-node:hover .timeline-card { box-shadow: 0 8px 30px rgba(10,22,40,0.18); }
.timeline-year { font-size: 1.5rem; font-weight: 800; color: var(--sea-medium); }
.timeline-title { font-size: 0.95rem; font-weight: 600; margin: 6px 0; color: var(--text-primary); }
.timeline-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.6; }
.timeline-card img { width: 100%; border-radius: var(--radius-sm); margin-bottom: 10px; }

/* ============ 模块标题 ============ */
.section-header { text-align: center; margin-bottom: 45px; }
.section-header h2 {
    font-size: 2rem;
    color: var(--ocean-blue);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-gold);
    border-radius: 2px;
}
.section-header p { color: var(--text-secondary); font-size: 1.05rem; margin-top: 18px; max-width: 650px; margin-left: auto; margin-right: auto; }

/* ============ 评测卡片 ============ */
.review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 30px; }
.review-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 6px 25px var(--shadow-color);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}
.review-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(10,22,40,0.18); }
.review-card-img { position: relative; overflow: hidden; height: 200px; }
.review-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.review-card:hover .review-card-img img { transform: scale(1.08); }
.review-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--gradient-gold);
    color: var(--deep-ocean);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}
.review-card-body { padding: 22px; }
.review-card-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.review-card-body h3 a { color: var(--text-primary); }
.review-card-body h3 a:hover { color: var(--sea-light); }
.review-score {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}
.score-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--gold-primary);
}
.score-stars { color: var(--gold-primary); font-size: 1rem; letter-spacing: 2px; }
.score-label { font-size: 0.8rem; color: var(--text-light); }
.review-card-body p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; margin-bottom: 15px; }
.review-pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 15px; font-size: 0.85rem; }
.pros-list, .cons-list { padding: 10px; border-radius: var(--radius-sm); }
.pros-list { background: #e8f5e9; }
.cons-list { background: #fce4ec; }
.pros-list strong { color: #2e7d32; }
.cons-list strong { color: #c62828; }
.pros-list li, .cons-list li { margin-top: 4px; color: var(--text-secondary); }
.read-more {
    display: inline-block;
    color: var(--sea-light);
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}
.read-more:hover { border-color: var(--sea-light); }

/* ============ 新手引导 ============ */
.beginner-path { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.path-step {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 28px 22px;
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow-color);
    border-top: 4px solid var(--sea-light);
    transition: transform 0.3s;
    position: relative;
}
.path-step:hover { transform: translateY(-4px); }
.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-ocean);
    color: var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto 16px;
}
.path-step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.path-step p { color: var(--text-secondary); font-size: 0.88rem; }

/* ============ 文化卡片 ============ */
.culture-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.culture-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: transform 0.3s;
    border: 1px solid var(--border-color);
}
.culture-card:hover { transform: translateY(-4px); }
.culture-card-img { height: 180px; overflow: hidden; }
.culture-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.culture-card:hover .culture-card-img img { transform: scale(1.06); }
.culture-card-body { padding: 20px; }
.culture-card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.culture-card-body p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; }
.culture-tag {
    display: inline-block;
    background: var(--foam-white);
    color: var(--sea-medium);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    margin-top: 10px;
}

/* ============ 技巧库 ============ */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.skill-block {
    background: var(--gradient-ocean);
    border-radius: var(--radius-md);
    padding: 28px;
    color: #fff;
    transition: transform 0.3s;
    position: relative;
    overflow: hidden;
}
.skill-block::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    background: rgba(240,180,41,0.15);
    border-radius: 50%;
}
.skill-block:hover { transform: translateY(-4px); }
.skill-icon { font-size: 2rem; margin-bottom: 14px; }
.skill-block h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--gold-light); }
.skill-block p { color: #b8cce0; font-size: 0.88rem; line-height: 1.7; }
.skill-block a { color: var(--gold-primary); font-weight: 600; display: inline-block; margin-top: 12px; font-size: 0.9rem; }

/* ============ 对比表格 ============ */
.compare-table-wrap { overflow-x: auto; }
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-color);
}
.compare-table thead th {
    background: var(--gradient-ocean);
    color: #fff;
    padding: 16px 20px;
    font-size: 0.95rem;
    text-align: center;
    border-bottom: 3px solid var(--gold-primary);
}
.compare-table tbody td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.compare-table tbody tr:hover { background: var(--foam-white); }
.compare-table tbody td:first-child { font-weight: 600; color: var(--text-primary); text-align: left; }
.compare-highlight { color: var(--gold-primary); font-weight: 700; }

/* ============ 社区模拟 ============ */
.community-feed { display: flex; flex-direction: column; gap: 20px; max-width: 800px; margin: 0 auto; }
.community-post {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 22px;
    box-shadow: 0 3px 12px var(--shadow-color);
    border-left: 4px solid var(--sea-light);
}
.post-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.post-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gradient-ocean);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    font-weight: 700;
    font-size: 1.1rem;
}
.post-meta { flex: 1; }
.post-author { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.post-time { font-size: 0.78rem; color: var(--text-light); }
.post-content { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }
.post-tags { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.post-tag {
    background: var(--foam-white);
    color: var(--sea-medium);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
}
.post-stats { margin-top: 12px; display: flex; gap: 18px; font-size: 0.82rem; color: var(--text-light); }

/* ============ 内页通用 ============ */
.page-hero {
    background: var(--gradient-ocean);
    padding: 50px 0 40px;
    text-align: center;
}
.page-hero h1 { color: #fff; font-size: 2.2rem; margin-bottom: 12px; }
.page-hero p { color: #b8cce0; font-size: 1rem; }
.article-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 20px;
}
.article-content h2 { font-size: 1.6rem; color: var(--ocean-blue); margin: 35px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--border-color); }
.article-content h3 { font-size: 1.25rem; color: var(--sea-medium); margin: 25px 0 12px; }
.article-content p { margin-bottom: 18px; color: var(--text-secondary); line-height: 1.9; }
.article-content img { border-radius: var(--radius-md); margin: 20px 0; box-shadow: 0 4px 15px var(--shadow-color); }
.article-content blockquote {
    border-left: 4px solid var(--gold-primary);
    background: var(--foam-white);
    padding: 18px 22px;
    margin: 20px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}
.article-content ul, .article-content ol { margin: 15px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; color: var(--text-secondary); list-style: disc; }
.article-content ol li { list-style: decimal; }

/* 评分表 */
.rating-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow-color);
}
.rating-table th { background: var(--ocean-blue); color: #fff; padding: 12px 16px; text-align: left; }
.rating-table td { padding: 10px 16px; border-bottom: 1px solid var(--border-color); }
.rating-bar { height: 8px; background: var(--foam-white); border-radius: 4px; overflow: hidden; }
.rating-bar-fill { height: 100%; background: var(--gradient-gold); border-radius: 4px; }

/* 模拟评论 */
.user-review {
    background: var(--foam-white);
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 15px 0;
    border: 1px solid var(--border-color);
}
.user-review .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.user-review .reviewer-name { font-weight: 600; color: var(--text-primary); }
.user-review .review-date { font-size: 0.8rem; color: var(--text-light); }
.user-review .review-text { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
.user-review .review-rating { color: var(--gold-primary); }

/* FAQ */
.faq-item { margin: 18px 0; border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
    background: var(--foam-white);
    padding: 16px 20px;
    font-weight: 600;
    color: var(--ocean-blue);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.faq-question::after { content: '+'; font-size: 1.3rem; color: var(--sea-light); transition: transform 0.3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-item.active .faq-answer { padding: 16px 20px; max-height: 500px; }

/* ============ 页脚 ============ */
.site-footer {
    background: var(--deep-ocean);
    color: #8a9bb5;
    padding: 50px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 35px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-col h4 { color: var(--gold-primary); font-size: 1rem; margin-bottom: 18px; }
.footer-col p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 8px; }
.footer-col a { color: #8a9bb5; font-size: 0.85rem; display: block; padding: 4px 0; transition: color 0.3s; }
.footer-col a:hover { color: var(--gold-primary); }
.footer-social { display: flex; gap: 12px; margin-top: 12px; }
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8a9bb5;
    font-size: 0.85rem;
    transition: all 0.3s;
}
.footer-social a:hover { background: var(--gold-primary); color: var(--deep-ocean); }
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
}
.age-badge {
    display: inline-block;
    border: 2px solid var(--coral-orange);
    color: var(--coral-orange);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

/* ============ 信息图表 ============ */
.infographic {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 25px;
    margin: 25px 0;
    box-shadow: 0 4px 15px var(--shadow-color);
}
.stat-row { display: flex; align-items: center; gap: 15px; margin: 12px 0; }
.stat-label { min-width: 120px; font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
.stat-bar { flex: 1; height: 24px; background: var(--foam-white); border-radius: 12px; overflow: hidden; position: relative; }
.stat-bar-fill {
    height: 100%;
    border-radius: 12px;
    background: var(--gradient-ocean);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    transition: width 1s ease;
}

/* 社交媒体模拟 */
.social-mock {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    margin: 15px 0;
}
.social-mock-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }
.social-platform { font-weight: 700; color: var(--sea-medium); font-size: 0.9rem; }
.social-mock-body { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--ocean-blue); flex-direction: column; padding: 15px; gap: 4px; box-shadow: 0 8px 20px var(--shadow-color); }
    .nav-links.active { display: flex; }
    .nav-toggle { display: block; }
    .hero-content h1 { font-size: 1.8rem; }
    .hero-content p { font-size: 1rem; }
    .section-header h2 { font-size: 1.5rem; }
    .review-grid { grid-template-columns: 1fr; }
    .beginner-path { grid-template-columns: 1fr; }
    .culture-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .review-pros-cons { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: 1.6rem; }
    .article-content { padding: 25px 15px; }
    .section-wrap { padding: 40px 0; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.5rem; }
    .btn-primary, .btn-secondary { padding: 12px 24px; font-size: 0.9rem; }
    .timeline-node { min-width: 150px; }
}

/* 动画 */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* 懒加载占位 */
img[loading="lazy"] { background: var(--foam-white); min-height: 100px; }

/* APP下载页 */
.download-section { text-align: center; padding: 60px 0; }
.download-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
}
.download-btn.android { background: #3ddc84; color: #fff; }
.download-btn.ios { background: #333; color: #fff; }
.download-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px var(--shadow-color); }

/* 隐私政策 */
.privacy-content { max-width: 860px; margin: 0 auto; padding: 40px 20px; }
.privacy-content h2 { font-size: 1.4rem; color: var(--ocean-blue); margin: 30px 0 15px; }
.privacy-content p { color: var(--text-secondary); margin-bottom: 15px; line-height: 1.8; }