:root {
    --primary: #818cf8;
    --accent: #c084fc;
    --bg-dark: #1e1b4b;
    --text-light: #e0e7ff;
    --bg-deep: #151238;
    --card-bg: #27245e;
    --radius-lg: 24px;
    --radius-md: 20px;
    --radius-sm: 16px;
    --shadow-soft: 0 8px 40px rgba(0,0,0,0.35);
    --shadow-glow: 0 0 30px rgba(129,140,248,0.25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.75;
}
/* 噪点纹理 */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}
/* 导航 */
.navbar-custom {
    background: rgba(30, 27, 75, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(192, 132, 252, 0.15);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}
.navbar-custom .navbar-brand {
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 2px;
}
.navbar-custom .navbar-brand i {
    color: var(--accent);
    margin-right: 6px;
}
.navbar-custom .nav-link {
    color: var(--text-light);
    opacity: 0.8;
    font-weight: 500;
    margin: 0 8px;
    border-radius: 50px;
    padding: 8px 18px;
    transition: all 0.3s ease;
}
.navbar-custom .nav-link:hover {
    opacity: 1;
    background: rgba(129, 140, 248, 0.15);
    transform: translateY(-1px);
}
.navbar-toggler {
    border: 1px solid rgba(224, 231, 255, 0.3);
    background: transparent;
}
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler i { color: var(--text-light); font-size: 1.4rem; }

/* Hero */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}
.hero-left {
    padding: 40px 20px;
    position: relative;
    z-index: 5;
}
.hero-right {
    padding: 40px 20px;
    position: relative;
    z-index: 5;
}
.hero-title {
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-light);
    margin-bottom: 20px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero-title span {
    color: var(--accent);
}
.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(224, 231, 255, 0.75);
    margin-bottom: 32px;
    max-width: 540px;
}
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}
.hero-stat-item {
    text-align: left;
}
.hero-stat-item .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary);
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
}
.hero-stat-item .label {
    font-size: 0.9rem;
    color: rgba(224, 231, 255, 0.5);
}
.hero-img-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 4/3;
    background: linear-gradient(145deg, rgba(129,140,248,0.2), rgba(192,132,252,0.2));
}
.hero-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.hero-img-wrap:hover img {
    transform: scale(1.05);
}
.hero-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(30, 27, 75, 0.85);
    backdrop-filter: blur(10px);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(192, 132, 252, 0.4);
    z-index: 2;
}
.hero-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30,27,75,0.3) 0%, transparent 60%);
}
/* 按钮 */
.btn-custom {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 14px 36px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}
.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(129, 140, 248, 0.4);
    color: #fff;
}
.btn-outline-custom {
    background: transparent;
    border: 2px solid rgba(224, 231, 255, 0.3);
    color: var(--text-light);
    border-radius: 50px;
    padding: 12px 32px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-outline-custom:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}
/* Section */
.section {
    padding: 100px 0;
    position: relative;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(129, 140, 248, 0.1);
    border: 1px solid rgba(129, 140, 248, 0.3);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.section-title {
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.2;
}
.section-desc {
    color: rgba(224, 231, 255, 0.65);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto 50px;
}
/* 特色对比表格 */
.compare-wrapper {
    background: rgba(39, 37, 94, 0.5);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(129, 140, 248, 0.15);
    box-shadow: var(--shadow-soft);
    overflow-x: auto;
}
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 12px;
}
.compare-table th {
    background: rgba(129, 140, 248, 0.15);
    color: var(--text-light);
    font-weight: 600;
    font-size: 1rem;
    padding: 16px 20px;
    text-align: left;
}
.compare-table th:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.compare-table th:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.compare-table td {
    background: rgba(30, 27, 75, 0.6);
    padding: 16px 20px;
    vertical-align: middle;
    color: rgba(224, 231, 255, 0.85);
}
.compare-table td:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.compare-table td:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.compare-table .feature-name {
    font-weight: 600;
    color: var(--text-light);
}
.compare-table i.fa-check {
    color: var(--primary);
}
.compare-table i.fa-xmark {
    color: rgba(224, 231, 255, 0.3);
}
/* FAQ 折叠 */
.faq-item {
    background: rgba(39, 37, 94, 0.4);
    border: 1px solid rgba(129, 140, 248, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.faq-item:hover {
    border-color: rgba(129, 140, 248, 0.4);
}
.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    background: transparent;
    border: none;
    text-align: left;
    width: 100%;
}
.faq-question:hover {
    color: var(--primary);
}
.faq-question i {
    transition: transform 0.4s ease;
    color: var(--primary);
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 24px;
    color: rgba(224, 231, 255, 0.7);
    font-size: 0.98rem;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}
/* 编号清单 */
.steps-list {
    counter-reset: step;
    display: grid;
    gap: 24px;
    margin-top: 40px;
}
.step-item {
    counter-increment: step;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: rgba(39, 37, 94, 0.4);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.step-item:hover {
    background: rgba(39, 37, 94, 0.7);
    border-color: rgba(129, 140, 248, 0.3);
    transform: translateX(6px);
}
.step-num {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    box-shadow: 0 4px 20px rgba(129, 140, 248, 0.3);
}
.step-content h4 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1.2rem;
}
.step-content p {
    color: rgba(224, 231, 255, 0.7);
    margin-bottom: 0;
}
/* CTA */
.cta-section {
    background: linear-gradient(135deg, rgba(129,140,248,0.1), rgba(192,132,252,0.1));
    border: 1px solid rgba(129, 140, 248, 0.2);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(129,140,248,0.2) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}
.cta-section h2 {
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.cta-section p {
    max-width: 500px;
    margin: 0 auto 40px;
    color: rgba(224, 231, 255, 0.75);
}
/* 页脚 */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid rgba(129, 140, 248, 0.1);
    padding: 60px 0 30px;
}
.footer-brand {
    font-family: 'ZCOOL KuaiLe', 'Inter', sans-serif;
    font-size: 1.6rem;
    color: var(--text-light);
    margin-bottom: 20px;
}
.footer-links a {
    color: rgba(224, 231, 255, 0.7);
    text-decoration: none;
    margin: 0 12px;
    transition: color 0.3s;
    font-size: 0.95rem;
}
.footer-links a:hover {
    color: var(--primary);
}
.footer-copyright {
    color: rgba(224, 231, 255, 0.4);
    font-size: 0.9rem;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(224, 231, 255, 0.1);
}
/* 友链 */
.friend-links {
    background: rgba(39, 37, 94, 0.3);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-top: 40px;
    border: 1px solid rgba(129, 140, 248, 0.1);
}
.friend-links h5 {
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.friend-links a {
    color: rgba(224, 231, 255, 0.7);
    text-decoration: none;
    margin: 0 8px;
    font-size: 0.9rem;
    transition: color 0.3s;
}
.friend-links a:hover {
    color: var(--primary);
}
/* 动效 */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
/* 海报hover播放按钮 */
.poster-wrap {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 3/4;
    cursor: pointer;
}
.poster-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.poster-wrap:hover img {
    transform: scale(1.08);
}
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 64px;
    height: 64px;
    background: rgba(129, 140, 248, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.poster-wrap:hover .play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}
.play-btn i {
    color: #fff;
    font-size: 1.5rem;
    margin-left: 4px;
}
/* 懒加载占位 */
.img-placeholder {
    background: linear-gradient(110deg, var(--bg-deep) 8%, var(--card-bg) 18%, var(--bg-deep) 33%);
    background-size: 200% 100%;
    animation: shimmer 1.6s linear infinite;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
/* 响应式 */
@media (max-width: 992px) {
    .hero-section { padding: 100px 0 60px; text-align: center; }
    .hero-left { padding: 30px 20px; }
    .hero-title { font-size: 2.8rem; }
    .hero-stats { justify-content: center; flex-wrap: wrap; gap: 24px; }
    .section { padding: 70px 0; }
    .section-title { font-size: 2rem; }
    .cta-section { padding: 50px 30px; }
    .cta-section h2 { font-size: 2rem; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .compare-wrapper { padding: 20px; }
    .compare-table th, .compare-table td { padding: 12px 14px; font-size: 0.9rem; }
    .step-item { flex-direction: column; }
    .footer-links a { display: inline-block; margin: 6px 10px; }
}

/* --- 子页面追加 --- */
/* 本页专属样式:关于我们页的卡片与时间线 */
        .about-hero {
            padding: 140px 0 60px;
            text-align: center;
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
        }
.about-hero p {
            max-width: 700px;
            margin: 0 auto;
            color: var(--text-light);
            opacity: .85;
            font-size: 1.1rem;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid rgba(129, 140, 248, 0.15);
            border-radius: var(--radius-lg);
            padding: 30px;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease;
        }
.about-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
        }
.about-card .icon-wrap {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, rgba(129,140,248,.2), rgba(192,132,252,.2));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 18px;
        }
.about-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
.about-card p {
            font-size: .95rem;
            color: var(--text-light);
            opacity: .75;
            line-height: 1.7;
            margin: 0;
        }
.timeline-wrap {
            margin-top: 20px;
        }
.timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(129,140,248,.1);
        }
.timeline-item:last-child {
            border-bottom: none;
        }
.timeline-year {
            flex-shrink: 0;
            width: 80px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent);
            padding-top: 2px;
        }
.timeline-content {
            flex: 1;
        }
.timeline-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 6px;
        }
.timeline-content p {
            font-size: .92rem;
            color: var(--text-light);
            opacity: .7;
            line-height: 1.6;
            margin: 0;
        }
.values-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
.value-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
.value-item i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
.value-item strong {
            display: block;
            color: var(--text-light);
            font-weight: 700;
            margin-bottom: 4px;
        }
.value-item span {
            color: var(--text-light);
            opacity: .7;
            font-size: .9rem;
            line-height: 1.6;
        }
.about-hero h1 {
                font-size: 2rem;
            }
.timeline-item {
                flex-direction: column;
                gap: 6px;
            }
.timeline-year {
                width: auto;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            padding: 100px 0 60px;
            position: relative;
        }
.disclaimer-content {
            padding: 40px 0 80px;
        }
.disclaimer-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(129,140,248,0.15);
            transition: transform 0.3s ease;
        }
.disclaimer-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
.disclaimer-card h2 {
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            font-size: 1.3rem;
            color: var(--accent);
        }
.disclaimer-card p {
            color: var(--text-light);
            line-height: 1.9;
            font-size: 0.95rem;
            margin-bottom: 15px;
        }
.disclaimer-card p:last-child {
            margin-bottom: 0;
        }
.disclaimer-card ul {
            color: var(--text-light);
            line-height: 1.9;
            padding-left: 20px;
            margin-bottom: 15px;
        }
.disclaimer-card ul li {
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
.disclaimer-card ul li::marker {
            color: var(--accent);
        }
.disclaimer-card .highlight-box {
            background: rgba(129,140,248,0.1);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.8;
        }
.disclaimer-updated {
            text-align: center;
            color: rgba(224,231,255,0.6);
            font-size: 0.85rem;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid rgba(129,140,248,0.15);
        }
.disclaimer-updated i {
            color: var(--accent);
            margin-right: 6px;
        }
.btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
        }
.disclaimer-card {
                padding: 25px;
            }
.disclaimer-card h2 {
                font-size: 1.2rem;
            }
.disclaimer-hero {
                padding: 80px 0 40px;
            }

/* --- 子页面追加 --- */
/* 排行榜页面专属样式 */
        .ranking-hero {
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-dark) 100%);
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }
.ranking-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(192,132,252,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
.ranking-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
.ranking-hero-title span {
            color: var(--accent);
        }
.ranking-hero-desc {
            color: rgba(224,231,255,0.75);
            font-size: 1.1rem;
            max-width: 600px;
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
.rank-tabs {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 35px;
        }
.rank-tab {
            padding: 8px 20px;
            border-radius: 30px;
            background: var(--card-bg);
            color: var(--text-light);
            border: 1px solid rgba(129,140,248,0.2);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
.rank-tab:hover, .rank-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
.rank-section {
            padding: 50px 0;
        }
.rank-section-alt {
            background: rgba(129,140,248,0.04);
        }
.rank-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
        }
.rank-header-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            box-shadow: var(--shadow-soft);
        }
.rank-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0;
        }
.rank-header p {
            color: rgba(224,231,255,0.6);
            margin: 0;
            font-size: 0.95rem;
        }
.rank-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
.rank-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(129,140,248,0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }
.rank-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-soft);
        }
.rank-card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }
.rank-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            min-width: 48px;
            text-align: center;
        }
.rank-number.gold {
            color: #fbbf24;
        }
.rank-number.silver {
            color: #94a3b8;
        }
.rank-number.bronze {
            color: #d97706;
        }
.rank-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0;
            flex: 1;
        }
.rank-card-author {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
.rank-card-desc {
            color: rgba(224,231,255,0.65);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 15px;
        }
.rank-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
.rank-tag {
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(129,140,248,0.15);
            color: var(--primary);
            font-size: 0.8rem;
            border: 1px solid rgba(129,140,248,0.2);
        }
.rank-update {
            color: rgba(224,231,255,0.5);
            font-size: 0.8rem;
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
.trend-up {
            color: #34d399;
        }
.trend-down {
            color: #f87171;
        }
.trend-flat {
            color: #94a3b8;
        }
.rank-note {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            margin-top: 30px;
            border-left: 4px solid var(--primary);
            color: rgba(224,231,255,0.7);
            font-size: 0.95rem;
        }
.rank-note i {
            color: var(--primary);
            margin-right: 8px;
        }
.ranking-hero-title {
                font-size: 2rem;
            }
.rank-grid {
                grid-template-columns: 1fr;
            }
.rank-header h2 {
                font-size: 1.4rem;
            }

/* --- 子页面追加 --- */
/* 隐私政策页专属样式 */
        .privacy-section {
            padding: 40px 0;
        }
.privacy-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 32px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(129, 140, 248, 0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.privacy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
.privacy-card h2 {
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-card h2 i {
            color: var(--accent);
            font-size: 1.3rem;
        }
.privacy-card p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }
.privacy-card ul {
            padding-left: 20px;
            margin-bottom: 16px;
        }
.privacy-card ul li {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 8px;
            font-size: 0.95rem;
            position: relative;
            padding-left: 8px;
        }
.privacy-card ul li::before {
            content: "✦";
            color: var(--accent);
            position: absolute;
            left: -14px;
        }
.privacy-badge {
            display: inline-block;
            background: linear-gradient(135deg, rgba(129,140,248,0.2), rgba(192,132,252,0.2));
            border: 1px solid rgba(129,140,248,0.3);
            border-radius: 50px;
            padding: 4px 16px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 20px;
        }
.privacy-highlight {
            background: rgba(129,140,248,0.1);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
.privacy-highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
.privacy-contact {
            background: linear-gradient(135deg, rgba(129,140,248,0.15), rgba(192,132,252,0.15));
            border: 1px solid rgba(129,140,248,0.25);
            border-radius: var(--radius-md);
            padding: 28px;
            margin-top: 32px;
        }
.privacy-contact h3 {
            color: var(--primary);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
.privacy-contact p {
            color: var(--text-light);
            line-height: 1.8;
        }
.privacy-contact .contact-email {
            color: var(--accent);
            font-weight: 600;
            word-break: break-all;
        }
.last-updated {
            display: inline-block;
            color: var(--text-light);
            opacity: 0.7;
            font-size: 0.85rem;
            margin-top: 8px;
        }
.section-hero {
            padding: 100px 0 40px;
        }
.section-hero .hero-title {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
        }
.section-hero .hero-subtitle {
            color: var(--text-light);
            opacity: 0.8;
            font-size: 1.1rem;
        }
.section-hero .hero-title {
                font-size: 1.8rem;
            }
.privacy-card {
                padding: 24px;
            }
/* 覆盖 Bootstrap 组件样式确保一致 */
        .navbar-custom {
            background: rgba(21, 18, 56, 0.95) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(129, 140, 248, 0.15);
        }
.navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--primary) !important;
        }