:root {
        --primary: #059669;
        --accent: #14b8a6;
        --bg: #f0fdfa;
        --text: #134e4a;
        --radius: 24px;
        --shadow-soft: 0 20px 45px -18px rgba(5, 150, 105, 0.15), 0 10px 20px -10px rgba(20, 184, 166, 0.08);
        --shadow-hover: 0 30px 50px -20px rgba(5, 150, 105, 0.2);
    }
    * { box-sizing: border-box; }
    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        font-weight: 400;
        line-height: 1.6;
        letter-spacing: -0.01em;
        margin: 0;
        padding: 0;
    }
    h1, h2, h3, h4, .display-1, .display-2, .display-3 { font-weight: 800; letter-spacing: -0.03em; color: var(--text); }
    a { text-decoration: none; color: inherit; }
    .navbar {
        background-color: rgba(240, 253, 250, 0.75);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(20, 184, 166, 0.15);
        padding: 1rem 0;
        font-weight: 600;
    }
    .navbar-brand {
        font-weight: 800;
        font-size: 1.5rem;
        color: var(--primary);
        letter-spacing: -0.02em;
    }
    .navbar-brand i {
        color: var(--accent);
        margin-right: 8px;
    }
    .navbar-nav .nav-link {
        color: var(--text);
        padding: 0.5rem 1rem;
        border-radius: 30px;
        transition: all 0.15s ease;
    }
    .navbar-nav .nav-link:hover { color: var(--primary); background: rgba(20, 184, 166, 0.08); }
    .navbar-toggler { border: none; }
    .navbar-toggler:focus { box-shadow: none; }

    .hero {
        padding: 6rem 0 4rem 0;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .hero .floating-bubble {
        position: absolute;
        width: 180px; height: 180px;
        background: radial-gradient(circle, rgba(20,184,166,0.15) 0%, rgba(5,150,105,0.02) 70%);
        border-radius: 50%;
        top: 10%; left: 10%;
        filter: blur(15px);
        z-index: 0;
        animation: float 8s infinite ease-in-out;
    }
    .hero .floating-bubble.two {
        width: 260px; height: 260px;
        top: 30%; right: 5%;
        left: auto;
        background: radial-gradient(circle, rgba(5,150,105,0.1) 0%, transparent 70%);
        animation-duration: 11s;
    }
    @keyframes float {
        0% { transform: translateY(0px) scale(1); }
        50% { transform: translateY(-30px) scale(1.03); }
        100% { transform: translateY(0px) scale(1); }
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 0 auto;
    }
    .hero h1 {
        font-size: calc(3rem + 1.8vw);
        font-weight: 900;
        line-height: 1.1;
        margin-bottom: 1.5rem;
        background: linear-gradient(135deg, #059669 0%, #14b8a6 80%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 0 2px 20px rgba(5,150,105,0.1);
    }
    .hero .subhead {
        font-size: 1.3rem;
        font-weight: 300;
        color: #2c6e5f;
        max-width: 700px;
        margin: 0 auto 2.5rem;
        letter-spacing: -0.02em;
    }

    /* 统计区块 */
    .stats-section {
        padding: 2rem 0 4rem;
    }
    .stat-item {
        background: rgba(255,255,255,0.7);
        backdrop-filter: blur(4px);
        border-radius: var(--radius);
        padding: 2rem 1rem;
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(255,255,255,0.6);
        transition: all 0.2s ease;
        text-align: center;
        height: 100%;
    }
    .stat-number {
        font-size: 3.5rem;
        font-weight: 900;
        color: var(--primary);
        line-height: 1;
        display: block;
        margin-bottom: 0.5rem;
    }
    .stat-label {
        font-size: 1rem;
        font-weight: 500;
        letter-spacing: 0.3px;
        color: #2c6e5f;
    }

    /* 手风琴 */
    .accordion-section { padding: 4rem 0; }
    .accordion-button {
        background: rgba(255,255,255,0.6);
        border-radius: var(--radius) !important;
        font-weight: 600;
        font-size: 1.1rem;
        padding: 1.5rem 1.8rem;
        color: var(--text);
        box-shadow: inset 0 -1px rgba(20, 184, 166, 0.1);
    }
    .accordion-button:not(.collapsed) {
        background: rgba(255,255,255,0.9);
        color: var(--primary);
        box-shadow: none;
    }
    .accordion-item {
        background: transparent;
        border: none;
        margin-bottom: 1.2rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow-soft);
        overflow: hidden;
    }
    .accordion-body {
        background: rgba(255,255,255,0.5);
        color: var(--text);
        font-weight: 300;
        padding: 1.5rem 1.8rem;
    }

    /* 特色图标列表 */
    .features-section { padding: 4rem 0 5rem; }
    .feature-card {
        background: rgba(255,255,255,0.5);
        backdrop-filter: blur(6px);
        border-radius: var(--radius);
        padding: 2rem 1.5rem;
        box-shadow: var(--shadow-soft);
        height: 100%;
        transition: transform 0.2s, box-shadow 0.25s;
        border: 1px solid rgba(255,255,255,0.8);
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        background: white;
    }
    .feature-icon {
        font-size: 2.6rem;
        color: var(--primary);
        margin-bottom: 1.2rem;
        background: rgba(20, 184, 166, 0.1);
        display: inline-flex;
        width: 70px; height: 70px;
        align-items: center;
        justify-content: center;
        border-radius: 20px;
    }
    .feature-card h4 { font-weight: 700; font-size: 1.3rem; margin-bottom: 0.5rem; }
    .feature-card p { font-weight: 300; }

    /* 常见问题 */
    .faq-section { padding: 4rem 0; }
    .faq-card {
        background: rgba(255,255,255,0.5);
        border-radius: var(--radius);
        padding: 1.8rem 2rem;
        box-shadow: var(--shadow-soft);
        margin-bottom: 1.2rem;
        border: 1px solid rgba(255,255,255,0.7);
    }
    .faq-card h5 { font-weight: 700; color: var(--primary); }

    /* CTA */
    .cta-section {
        padding: 5rem 0;
        background: linear-gradient(145deg, #f0fdfa 0%, #d1faf0 100%);
        border-radius: 60px 60px 0 0;
        margin-top: 2rem;
    }
    .btn-accent {
        background: var(--primary);
        border: none;
        color: white;
        padding: 0.9rem 2.6rem;
        font-weight: 600;
        border-radius: 60px;
        box-shadow: 0 12px 30px -10px rgba(5,150,105,0.4);
        transition: all 0.2s;
        font-size: 1.1rem;
    }
    .btn-accent:hover {
        background: #047e57;
        transform: scale(1.02);
        color: white;
    }

    /* 友情链接 */
    .friend-links {
        padding: 3rem 0 2rem;
        text-align: center;
        border-top: 1px solid rgba(20,184,166,0.15);
    }
    .friend-links h6 {
        font-weight: 600;
        color: #2c6e5f;
        margin-bottom: 1rem;
        font-size: 1rem;
    }
    .friend-links .link-item { color: var(--primary); margin: 0 1rem; font-weight: 400; }

    footer {
        padding: 2rem 0;
        text-align: center;
        color: #2c6e5f;
        font-weight: 300;
        background: rgba(255,255,255,0.3);
        border-top: 1px solid rgba(20,184,166,0.1);
    }

    /* 滚动动效 */
    .reveal {
        opacity: 0;
        transform: translateY(25px);
        transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.3, 1);
        transition-delay: calc(var(--i, 0) * 90ms);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* 数字滚动效果 */
    .stat-number.count-up {
        transition: all 0.3s;
    }

    /* 图片hover放大 (用于卡片装饰) */
    .img-hover-zoom { overflow: hidden; border-radius: var(--radius); }
    .img-hover-zoom img {
        transition: transform 0.35s ease;
        width: 100%;
        display: block;
    }
    .img-hover-zoom:hover img { transform: scale(1.06); }
    .image-mask {
        position: relative;
    }
    .image-mask::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(5,150,105,0.2) 0%, transparent 40%);
        opacity: 0;
        transition: opacity 0.25s;
        border-radius: var(--radius);
    }
    .image-mask:hover::after { opacity: 1; }

    @media (max-width: 768px) {
        .hero { padding-top: 4rem; }
        .stat-number { font-size: 2.8rem; }
        .navbar-nav { padding-top: 0.5rem; }
    }
    /* 子页链接 */
    .subpage-link { color: var(--primary); }

/* --- 子页面追加 --- */
/* 本页专属小范围样式,自动合并进站点CSS */
        .about-hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(5, 150, 105, 0.08) 0%, rgba(20, 184, 166, 0.04) 50%, transparent 100%);
        }
.about-hero h1 {
            font-weight: 800;
            color: var(--primary);
            font-size: 2.4rem;
            line-height: 1.3;
            margin-bottom: 16px;
        }
.about-hero .lead {
            color: var(--text);
            opacity: 0.85;
            max-width: 720px;
            margin: 0 auto;
            font-size: 1.1rem;
        }
.about-section {
            padding: 50px 0;
        }
.about-section h2 {
            font-weight: 800;
            color: var(--primary);
            font-size: 1.7rem;
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 12px;
        }
.about-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
.about-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-soft);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border: 1px solid rgba(5, 150, 105, 0.08);
        }
.about-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.about-card i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
        }
.about-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
.about-card p {
            color: var(--text);
            opacity: 0.8;
            font-size: 0.95rem;
            line-height: 1.7;
        }
.timeline {
            list-style: none;
            padding: 0;
            position: relative;
        }
.timeline li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 16px;
            color: var(--text);
            opacity: 0.85;
            line-height: 1.7;
        }
.timeline li::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent);
        }
.stat-badge {
            background: var(--bg);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(5, 150, 105, 0.1);
            height: 100%;
        }
.stat-badge .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }
.stat-badge .label {
            font-size: 0.9rem;
            color: var(--text);
            opacity: 0.7;
            margin-top: 4px;
        }
.nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }

/* --- 子页面追加 --- */
.guide-hero { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); border-radius: var(--radius); padding: 3rem 2rem; text-align: center; color: #fff; margin: 2rem 0; }
.guide-hero h1 { font-size: 2.5rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
.guide-hero p { font-size: 1.1rem; opacity: .95; max-width: 720px; margin: 0 auto; }
.guide-section { background: var(--bg); border-radius: var(--radius); padding: 2rem; margin: 1.5rem 0; box-shadow: var(--shadow-soft); }
.guide-section h2 { color: var(--primary); font-weight: 700; font-size: 1.6rem; margin-bottom: 1.2rem; display: flex; align-items: center; gap: .6rem; }
.guide-section h2 i { font-size: 1.3rem; }
.guide-section h3 { color: var(--text); font-weight: 600; font-size: 1.2rem; margin: 1.2rem 0 .8rem; }
.guide-section p { color: var(--text); line-height: 1.8; }
.guide-section ul, .guide-section ol { color: var(--text); line-height: 1.9; padding-left: 1.4rem; }
.guide-section li { margin-bottom: .5rem; }
.guide-step { display: flex; gap: 1rem; margin: 1rem 0; align-items: flex-start; }
.guide-step-num { background: var(--primary); color: #fff; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; font-size: .95rem; }
.guide-step-content { flex: 1; }
.guide-step-content strong { color: var(--primary); display: block; margin-bottom: .3rem; }
.tip-box { background: rgba(5, 150, 105, 0.08); border-left: 4px solid var(--primary); padding: 1rem 1.2rem; border-radius: 0 12px 12px 0; margin: 1rem 0; }
.tip-box p { margin: 0; font-size: .95rem; }
.shortcut-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 1.2rem 0; }
.shortcut-item { background: rgba(5, 150, 105, 0.06); border: 1px solid rgba(5, 150, 105, 0.15); border-radius: 12px; padding: 1.2rem; text-align: center; transition: transform .2s ease; }
.shortcut-item:hover { transform: translateY(-3px); }
.shortcut-item i { font-size: 2rem; color: var(--primary); margin-bottom: .6rem; display: block; }
.shortcut-item strong { display: block; color: var(--text); font-size: 1.05rem; margin-bottom: .4rem; }
.shortcut-item p { font-size: .85rem; color: var(--text); opacity: .75; margin: 0; }
.table-wrap { overflow-x: auto; }
.table-wrap table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.table-wrap th { background: var(--primary); color: #fff; padding: .7rem 1rem; text-align: left; font-weight: 600; font-size: .95rem; }
.table-wrap td { padding: .7rem 1rem; border-bottom: 1px solid rgba(5, 150, 105, 0.1); color: var(--text); font-size: .95rem; }
.table-wrap tr:hover td { background: rgba(5, 150, 105, 0.04); }
.badge-guide { display: inline-block; padding: .2rem .6rem; border-radius: 6px; font-size: .8rem; font-weight: 600; margin-left: .4rem; }
.badge-guide.bg-green { background: rgba(5, 150, 105, 0.15); color: var(--primary); }
.badge-guide.bg-teal { background: rgba(20, 184, 166, 0.15); color: var(--accent); }
.badge-guide.bg-gray { background: rgba(19, 78, 74, 0.08); color: var(--text); }
.device-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 1.2rem 0; }
.device-item { text-align: center; padding: 1.5rem 1rem; border-radius: 16px; background: rgba(5, 150, 105, 0.05); border: 1px solid rgba(5, 150, 105, 0.12); transition: all .2s ease; }
.device-item:hover { background: rgba(5, 150, 105, 0.1); transform: scale(1.02); }
.device-item i { font-size: 2.2rem; color: var(--primary); display: block; margin-bottom: .6rem; }
.device-item strong { display: block; color: var(--text); font-size: .95rem; }
.device-item span { font-size: .8rem; color: var(--text); opacity: .6; }
.guide-hero { padding: 2rem 1.2rem; }
.guide-hero h1 { font-size: 1.8rem; }
.guide-section { padding: 1.4rem; }
.guide-step { flex-direction: column; gap: .4rem; }

/* --- 子页面追加 --- */
/* 本页专属样式——免责声明页 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(5,150,105,.06) 0%, rgba(20,184,166,.12) 100%);
            border-radius: var(--radius);
            padding: 3.5rem 2rem;
            margin-bottom: 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(20,184,166,.15) 0%, transparent 70%);
            border-radius: 50%;
        }
.disclaimer-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
.disclaimer-hero p {
            color: var(--text);
            opacity: .85;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            line-height: 1.8;
        }
.disclaimer-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-soft);
            padding: 2rem 2.2rem;
            margin-bottom: 1.8rem;
            transition: box-shadow .3s ease;
            border: 1px solid rgba(5,150,105,.08);
        }
.disclaimer-card:hover {
            box-shadow: var(--shadow-hover);
        }
.disclaimer-card h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-left: 1.1rem;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }
.disclaimer-card h2 i {
            margin-right: .4rem;
            color: var(--accent);
            font-size: 1.1rem;
        }
.disclaimer-card p, .disclaimer-card li {
            color: var(--text);
            opacity: .92;
            line-height: 1.9;
            font-size: .95rem;
        }
.disclaimer-card ul {
            padding-left: 1.2rem;
            margin-bottom: 1rem;
        }
.disclaimer-card ul li {
            margin-bottom: .45rem;
            position: relative;
            padding-left: .3rem;
        }
.disclaimer-card ul li::marker {
            color: var(--accent);
        }
.highlight-box {
            background: rgba(5,150,105,.06);
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin: 1.2rem 0;
            border-left: 3px solid var(--accent);
            font-size: .95rem;
            color: var(--text);
            line-height: 1.8;
        }
.highlight-box strong {
            color: var(--primary);
        }
.last-updated {
            display: inline-block;
            background: rgba(5,150,105,.1);
            color: var(--primary);
            font-size: .82rem;
            font-weight: 600;
            padding: .3rem 1rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
        }
.btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: var(--primary);
            color: #fff;
            padding: .7rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: .95rem;
            transition: all .3s ease;
            text-decoration: none;
            border: none;
        }
.btn-back-home:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -8px rgba(5,150,105,.4);
        }
.contact-note {
            text-align: center;
            margin-top: 1.5rem;
            color: var(--text);
            opacity: .7;
            font-size: .9rem;
        }
.contact-note a {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
        }
.contact-note a:hover {
            color: var(--accent);
        }
.disclaimer-hero { padding: 2.5rem 1.2rem; }
.disclaimer-hero h1 { font-size: 1.7rem; }
.disclaimer-card { padding: 1.5rem 1.3rem; }

/* --- 子页面追加 --- */
.ranking-hero {
            background: linear-gradient(135deg, rgba(5, 150, 105, 0.1) 0%, rgba(20, 184, 166, 0.08) 100%);
            padding: 80px 0 50px;
        }
.ranking-tabs {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 30px 0 40px;
        }
.ranking-tab {
            padding: 10px 24px;
            border-radius: 50px;
            background: rgba(5, 150, 105, 0.08);
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            text-decoration: none;
        }
.ranking-tab:hover, .ranking-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
.ranking-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-soft);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 20px;
            border: 1px solid rgba(5, 150, 105, 0.06);
        }
.ranking-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
.rank-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            min-width: 60px;
            text-align: center;
            font-style: italic;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
.rank-thumb {
            width: 90px;
            height: 120px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.15);
        }
.rank-info {
            flex: 1;
        }
.rank-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
.rank-meta {
            font-size: 0.85rem;
            color: #6b7c7a;
            margin-bottom: 8px;
        }
.rank-score {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(5, 150, 105, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }
.rank-trend {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
        }
.trend-up { color: #dc2626; }
.trend-down { color: #6b7c7a; }
.trend-flat { color: var(--accent); }
.rank-badge {
            display: inline-block;
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            margin-left: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
.rank-badge.new {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }
.section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
.section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 40%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
.ranking-note {
            background: rgba(5, 150, 105, 0.05);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 30px 0;
            font-size: 0.9rem;
            color: var(--text);
        }
.list-group-item {
            background: #fff;
            border: 1px solid rgba(5, 150, 105, 0.08);
            color: var(--text);
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }