:root {
            --primary: #db2777;
            --accent: #f43f5e;
            --bg: #fff1f5;
            --text: #500724;
            --radius: 8px;
            --border-light: rgba(219, 39, 119, 0.1);
            --shadow-sm: 0 4px 12px rgba(80, 7, 36, 0.04);
            --shadow-hover: 0 12px 24px rgba(219, 39, 119, 0.08);
        }

        * { font-family: 'Noto Sans SC', 'Inter', system-ui, -apple-system, sans-serif; }
        body {
            background: var(--bg);
            color: var(--text);
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        h1, h2, h3, .serif-display {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        /* 点阵背景 */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: radial-gradient(var(--primary) 0.5px, transparent 0.5px);
            background-size: 18px 18px;
            opacity: 0.05;
            pointer-events: none;
            z-index: -1;
        }

        /* 细网格线装饰 */
        .grid-lines {
            background-image: linear-gradient(to right, var(--border-light) 1px, transparent 1px),
                              linear-gradient(to bottom, var(--border-light) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        .btn-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            padding: 0.7rem 1.8rem;
            font-weight: 500;
            position: relative;
            overflow: hidden;
            transition: background 0.3s ease;
            box-shadow: var(--shadow-sm);
        }
        .btn-custom::after {
            content: '';
            position: absolute;
            top: 0;
            left: -80%;
            width: 50%;
            height: 100%;
            background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
            transform: skewX(-20deg);
            transition: left 0.5s ease;
        }
        .btn-custom:hover::after {
            left: 130%;
        }
        .btn-custom:hover {
            background: var(--accent);
            color: #fff;
        }

        .nav-bg {
            background: rgba(255, 241, 245, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .navbar-brand {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 1.7rem;
            color: var(--primary) !important;
        }

        .nav-link {
            color: var(--text);
            font-weight: 500;
            margin: 0 0.2rem;
        }
        .nav-link:hover { color: var(--primary); }

        .hero-title {
            font-size: calc(3rem + 1.2vw);
            font-weight: 900;
            line-height: 1.1;
            color: var(--text);
            min-height: 5rem;
        }
        .typing-cursor {
            border-right: 4px solid var(--primary);
            animation: blink 0.9s step-end infinite;
            padding-right: 6px;
        }
        @keyframes blink { 50% { border-color: transparent; } }

        .feature-card {
            background: #ffffffd0;
            backdrop-filter: blur(4px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 1.5rem 1.2rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(219, 39, 119, 0.2);
        }

        .step-line {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .step-item {
            flex: 0 0 23%;
            text-align: center;
            position: relative;
        }
        .step-item::before {
            content: '';
            position: absolute;
            top: 30px;
            left: -20%;
            width: 40%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.2;
            z-index: 0;
        }
        .step-item:first-child::before { display: none; }

        .step-num {
            width: 60px;
            height: 60px;
            margin: 0 auto 15px;
            background: var(--primary);
            color: white;
            font-size: 1.5rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius);
            box-shadow: 0 8px 16px rgba(219, 39, 119, 0.25);
            position: relative;
            z-index: 2;
        }

        .faq-box {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            font-weight: 600;
            padding: 1rem 1.25rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            padding: 0 1.25rem 1.2rem;
            color: #7a3e55;
            font-size: 0.95rem;
        }
        .faq-answer.collapsed-answer { display: none; }
        .faq-box.active .faq-answer { display: block; }

        .intro-section {
            background: linear-gradient(160deg, #fff 0%, #fff8fb 100%);
            border-radius: 24px;
            padding: 3rem 2rem;
        }

        footer {
            background: #fff3f7;
            border-top: 1px solid var(--border-light);
        }

        .footer-links a {
            color: var(--text);
            opacity: 0.8;
            text-decoration: none;
            margin: 0 0.8rem;
        }
        .footer-links a:hover { color: var(--primary); opacity: 1; }

        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s;
            box-shadow: var(--shadow-hover);
            z-index: 999;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 适配 */
        @media (max-width: 768px) {
            .step-item { flex-basis: 48%; margin-bottom: 2rem; }
            .step-item::before { display: none; }
            .hero-title { font-size: 2.5rem; }
        }

/* --- 子页面追加 --- */
/* 保证 Bootstrap 组件与本站配色一致（若有使用则覆盖） */
        .navbar, .navbar-brand, .nav-link, .navbar-toggler {
            background: transparent !important;
            color: var(--text) !important;
        }
.navbar-nav .nav-link {
            color: var(--text) !important;
            opacity: .85;
            transition: opacity .2s;
        }
.navbar-nav .nav-link.active,
        .navbar-nav .nav-link:hover {
            opacity: 1;
            color: var(--primary) !important;
        }
.navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(219, 39, 119, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }
/* 本页特有组件样式 (基于站点变量，尽量复用已有类) */
        .about-hero {
            background: linear-gradient(145deg, rgba(219,39,119,.08) 0%, rgba(244,63,94,.02) 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 4.5rem 0 3.5rem;
        }
.about-hero .hero-title {
            font-weight: 800;
            letter-spacing: -0.02em;
        }
.story-block {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s;
            border: 1px solid rgba(219,39,119,0.08);
            height: 100%;
        }
.story-block:hover {
            box-shadow: var(--shadow-hover);
        }
.story-block i {
            color: var(--primary);
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
.story-block h3 {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            margin-bottom: .75rem;
        }
.story-block p {
            color: rgba(80,7,36,.85);
            line-height: 1.7;
            font-size: .98rem;
        }
.mission-list li {
            background: transparent;
            border: none;
            padding: .4rem 0;
            color: var(--text);
        }
.mission-list i {
            color: var(--accent);
            margin-right: .5rem;
        }
.feature-card--about {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            transition: all .25s;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
.feature-card--about:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(219,39,119,.2);
        }
.feature-card--about i {
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: .75rem;
        }
.feature-card--about h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: .5rem;
            color: var(--text);
        }
.feature-card--about p {
            color: rgba(80,7,36,.8);
            font-size: .95rem;
        }
.quote-block {
            background: rgba(219,39,119,.04);
            border-left: 4px solid var(--primary);
            padding: 1.5rem 1.8rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 2rem 0;
        }
.quote-block p {
            font-style: italic;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: .5rem;
        }
.quote-block .author {
            font-weight: 600;
            color: var(--primary);
            font-style: normal;
        }
/* 页脚链接颜色 */
        .footer-links a {
            color: rgba(80,7,36,.8);
            text-decoration: none;
            transition: color .2s;
        }

/* --- 子页面追加 --- */
.ranking-header {
            background: linear-gradient(135deg, var(--bg) 0%, #ffe4ec 100%);
            padding: 4rem 0 3rem;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
.ranking-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(219, 39, 119, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.ranking-header h1 {
            font-weight: 900;
            color: var(--text);
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }
.ranking-header .subtitle {
            color: #9d174d;
            opacity: 0.8;
            font-size: 1.1rem;
            max-width: 700px;
        }
.ranking-tabs {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--border-light);
            padding-bottom: 1rem;
        }
.ranking-tab {
            padding: 0.6rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            background: transparent;
            color: var(--text);
            opacity: 0.7;
        }
.ranking-tab:hover {
            opacity: 1;
            background: rgba(219, 39, 119, 0.05);
        }
.ranking-tab.active {
            background: var(--primary);
            color: #fff;
            opacity: 1;
            box-shadow: 0 4px 12px rgba(219, 39, 119, 0.3);
        }
.rank-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            overflow: hidden;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-light);
        }
.rank-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
.rank-card .rank-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            opacity: 0.3;
            line-height: 1;
            min-width: 60px;
            text-align: center;
        }
.rank-card .rank-number.top-3 {
            opacity: 1;
            color: var(--accent);
        }
.rank-card .rank-content {
            padding: 1.2rem;
            display: flex;
            gap: 1.2rem;
            align-items: center;
        }
.rank-card .rank-cover {
            width: 80px;
            height: 110px;
            border-radius: 6px;
            object-fit: cover;
            background: linear-gradient(135deg, #ffe4ec, #fff1f5);
            border: 1px solid var(--border-light);
            flex-shrink: 0;
        }
.rank-card .rank-info {
            flex: 1;
            min-width: 0;
        }
.rank-card .rank-title {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.4rem;
            font-size: 1.05rem;
        }
.rank-card .rank-meta {
            font-size: 0.85rem;
            color: #9d174d;
            opacity: 0.7;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 0.4rem;
        }
.rank-card .rank-desc {
            font-size: 0.88rem;
            color: var(--text);
            opacity: 0.7;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
.rank-card .rank-stats {
            display: flex;
            gap: 1rem;
            margin-top: 0.5rem;
            font-size: 0.8rem;
            color: #9d174d;
            opacity: 0.8;
        }
.rank-card .rank-stats i {
            color: var(--primary);
            margin-right: 0.25rem;
        }
.rank-badge {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-block;
        }
.trend-up { color: #16a34a; }
.trend-down { color: #dc2626; }
.trend-flat { color: #9ca3af; }
.trend-badge {
            font-size: 0.8rem;
            font-weight: 600;
        }
.section-title {
            font-weight: 800;
            color: var(--text);
            font-size: 1.6rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 1rem;
        }
.section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 70%;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
.trending-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
        }
.trending-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
.trending-card .trending-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
.trending-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
        }
.trending-card p {
            font-size: 0.9rem;
            color: var(--text);
            opacity: 0.75;
            line-height: 1.6;
        }
.note-box {
            background: rgba(219, 39, 119, 0.05);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 2rem 0;
        }
.note-box i {
            color: var(--primary);
            margin-right: 0.5rem;
        }
.note-box p {
            margin: 0;
            font-size: 0.92rem;
            color: var(--text);
            opacity: 0.85;
            line-height: 1.6;
        }
.back-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(219, 39, 119, 0.4);
        }
.ranking-header h1 {
                font-size: 1.8rem;
            }
.rank-card .rank-content {
                flex-direction: column;
                align-items: flex-start;
            }
.rank-card .rank-cover {
                width: 100%;
                height: 160px;
            }
.rank-card .rank-number {
                font-size: 1.5rem;
                min-width: 40px;
            }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 免责声明页 */
        .legal-hero {
            padding: 80px 0 50px;
            position: relative;
            overflow: hidden;
        }
.legal-hero h1 {
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--text);
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }
.legal-hero h1 span {
            color: var(--primary);
        }
.legal-hero p {
            color: var(--text);
            opacity: 0.75;
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
.legal-section {
            padding: 40px 0;
            position: relative;
        }
.legal-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 35px 40px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
.legal-card:hover {
            box-shadow: var(--shadow-hover);
        }
.legal-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.legal-card h2 i {
            font-size: 1.3rem;
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(219, 39, 119, 0.1);
            border-radius: 8px;
            color: var(--primary);
        }
.legal-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 10px;
        }
.legal-card p {
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 15px;
            opacity: 0.9;
        }
.legal-card ul {
            list-style: none;
            padding: 0;
            margin-bottom: 15px;
        }
.legal-card ul li {
            padding: 6px 0;
            color: var(--text);
            font-size: 0.95rem;
            padding-left: 24px;
            position: relative;
            opacity: 0.9;
        }
.legal-card ul li::before {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--primary);
        }
.legal-highlight {
            background: rgba(219, 39, 119, 0.06);
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
.legal-highlight p {
            margin-bottom: 0;
            font-weight: 500;
            opacity: 1;
        }
.legal-date {
            font-size: 0.85rem;
            color: var(--text);
            opacity: 0.5;
            margin-top: 15px;
            text-align: right;
        }
.legal-hero h1 { font-size: 2rem; }
.legal-card { padding: 25px 20px; }

/* --- 子页面追加 --- */
/* 隐私政策页面专属样式 */
        .privacy-hero {
            padding: 80px 0 40px;
            background: linear-gradient(135deg, rgba(219, 39, 119, 0.06) 0%, rgba(255, 241, 245, 0.9) 100%);
            border-bottom: 1px solid var(--border-light);
        }
.privacy-hero .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
.privacy-hero .hero-sub {
            font-size: 1.1rem;
            color: rgba(80, 7, 36, 0.7);
            max-width: 640px;
            line-height: 1.7;
        }
.privacy-container {
            max-width: 860px;
            margin: 0 auto;
            padding: 60px 24px 80px;
        }
.privacy-section {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 36px 40px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s ease;
        }
.privacy-section:hover {
            box-shadow: var(--shadow-hover);
        }
.privacy-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-section h2 i {
            font-size: 1.3rem;
            opacity: 0.9;
        }
.privacy-section h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 12px;
        }
.privacy-section p {
            color: rgba(80, 7, 36, 0.8);
            line-height: 1.8;
            font-size: 0.98rem;
            margin-bottom: 14px;
        }
.privacy-section ul {
            padding-left: 20px;
            margin-bottom: 14px;
        }
.privacy-section ul li {
            color: rgba(80, 7, 36, 0.8);
            line-height: 1.8;
            font-size: 0.98rem;
            margin-bottom: 8px;
        }
.privacy-section ul li::marker {
            color: var(--primary);
        }
.privacy-section .highlight-box {
            background: rgba(219, 39, 119, 0.06);
            border-left: 3px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
.privacy-section .highlight-box p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
.privacy-section .info-table {
            width: 100%;
            margin: 16px 0;
            font-size: 0.95rem;
        }
.privacy-section .info-table th {
            background: rgba(219, 39, 119, 0.08);
            color: var(--text);
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 6px 6px 0 0;
        }
.privacy-section .info-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: rgba(80, 7, 36, 0.85);
            line-height: 1.7;
        }
.privacy-section .info-table tr:last-child td {
            border-bottom: none;
        }
.privacy-updated {
            text-align: center;
            color: rgba(80, 7, 36, 0.5);
            font-size: 0.9rem;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
.privacy-contact {
            background: rgba(219, 39, 119, 0.04);
            border-radius: var(--radius);
            padding: 24px;
            margin-top: 30px;
            border: 1px dashed rgba(219, 39, 119, 0.3);
        }
.privacy-contact h4 {
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
.privacy-contact p {
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
.privacy-hero {
                padding: 60px 0 30px;
            }
.privacy-hero .hero-title {
                font-size: 2rem;
            }
.privacy-container {
                padding: 40px 16px 60px;
            }
.privacy-section {
                padding: 24px 20px;
            }
.privacy-section h2 {
                font-size: 1.3rem;
            }
.privacy-section .info-table {
                font-size: 0.85rem;
            }
.privacy-section .info-table th,
            .privacy-section .info-table td {
                padding: 10px 12px;
            }