:root {
        --primary: #059669;
        --accent: #14b8a6;
        --bg: #f0fdfa;
        --text: #134e4a;
        --border: #a7f3d0;
        --card-bg: #ffffff;
    }

    * { box-sizing: border-box; }

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        margin: 0;
        padding: 0;
        line-height: 1.8;
        overflow-x: hidden;
    }

    /* 渐变光晕背景 */
    .glow-orb {
        position: fixed;
        border-radius: 50%;
        filter: blur(90px);
        opacity: 0.35;
        z-index: 0;
        pointer-events: none;
    }
    .glow-1 { width: 480px; height: 480px; background: #6ee7b7; top: -120px; right: -100px; }
    .glow-2 { width: 380px; height: 380px; background: #99f6e4; bottom: 10%; left: -120px; }
    .glow-3 { width: 280px; height: 280px; background: #5eead4; top: 40%; left: 60%; opacity: 0.25; }

    /* 左侧固定侧栏 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 240px;
        height: 100vh;
        background: rgba(240, 253, 250, 0.9);
        backdrop-filter: blur(8px);
        border-right: 2px solid var(--border);
        padding: 2rem 1.5rem;
        z-index: 100;
        overflow-y: auto;
        transition: transform 0.3s ease;
    }
    .sidebar .logo {
        font-size: 1.45rem;
        font-weight: 800;
        color: var(--primary);
        text-decoration: none;
        letter-spacing: 1px;
        display: block;
        margin-bottom: 2rem;
        line-height: 1.4;
        font-family: 'Segoe UI', 'Inter', sans-serif;
    }
    .sidebar .logo i { margin-right: 6px; }
    .sidebar nav a {
        display: block;
        padding: 0.6rem 0.8rem;
        color: var(--text);
        text-decoration: none;
        font-weight: 500;
        font-size: 0.95rem;
        border-left: 3px solid transparent;
        transition: all 0.2s;
    }
    .sidebar nav a:hover {
        border-left-color: var(--primary);
        background: rgba(5, 150, 105, 0.08);
        color: var(--primary);
    }
    .sidebar .social { margin-top: 2rem; font-size: 0.85rem; color: #5f9e93; }
    .sidebar .social a { color: var(--primary); text-decoration: none; margin-right: 8px; }

    /* 右侧主内容 */
    .main-content {
        margin-left: 240px;
        position: relative;
        z-index: 1;
    }

    /* Hero */
    .hero {
        padding: 4rem 3rem 3rem;
        position: relative;
    }
    .hero h1 {
        font-size: 3rem;
        font-weight: 900;
        line-height: 1.2;
        background: linear-gradient(135deg, #059669 0%, #14b8a6 50%, #0f766e 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 1rem;
        font-family: 'Segoe UI', 'Inter', sans-serif;
        letter-spacing: 1px;
    }
    .hero .subtitle {
        font-size: 1.2rem;
        color: #4d837a;
        max-width: 600px;
        margin-bottom: 2rem;
        line-height: 1.8;
    }
    .hero .btn-hero {
        display: inline-block;
        background: var(--primary);
        color: #fff;
        padding: 0.8rem 2rem;
        border-radius: 40px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1rem;
        position: relative;
        overflow: hidden;
        border: none;
        transition: all 0.3s;
        background-size: 200% auto;
        background-image: linear-gradient(90deg, #059669, #14b8a6, #059669);
    }
    .btn-hero:hover {
        background-position: right center;
        color: #fff;
        transform: translateY(-2px);
    }
    .btn-hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent);
        animation: shine 3s infinite;
    }
    @keyframes shine {
        0% { left: -100%; }
        50%, 100% { left: 100%; }
    }
    .float-badge {
        position: absolute;
        right: 8%;
        top: 3rem;
        animation: float 4s ease-in-out infinite;
        font-size: 3.5rem;
        opacity: 0.7;
    }
    @keyframes float {
        0%, 100% { transform: translateY(0) rotate(0deg); }
        50% { transform: translateY(-20px) rotate(8deg); }
    }

    /* 区块通用 */
    .section {
        padding: 3rem 3rem;
        border-top: 2px solid var(--border);
    }
    .section-title {
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
        color: var(--primary);
        font-family: 'Segoe UI', 'Inter', sans-serif;
    }
    .section-desc { color: #5f9e93; margin-bottom: 2rem; font-size: 1rem; }

    /* 数据统计 */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 2rem;
        text-align: center;
    }
    .stat-item .num {
        font-size: 2.6rem;
        font-weight: 900;
        color: var(--primary);
        line-height: 1.2;
    }
    .stat-item .label { color: #5f9e93; font-size: 0.95rem; }

    /* 步骤条 */
    .steps-wrapper {
        display: flex;
        flex-wrap: wrap;
        gap: 1.5rem;
        margin-top: 1rem;
    }
    .step-card {
        flex: 1 1 200px;
        padding: 1.5rem 1.2rem;
        border: 2px solid var(--border);
        border-radius: 12px;
        background: var(--card-bg);
        transition: all 0.3s;
    }
    .step-card:hover { border-color: var(--primary); }
    .step-num {
        font-size: 1.6rem;
        font-weight: 900;
        color: var(--accent);
        margin-bottom: 0.6rem;
    }
    .step-card h4 { font-weight: 700; font-size: 1.1rem; }
    .step-card p { color: #5f9e93; font-size: 0.9rem; margin-bottom: 0; }

    /* 特色卡片网格 */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.8rem;
    }
    .feature-card {
        border: 2px solid var(--border);
        border-radius: 16px;
        padding: 1.8rem 1.5rem;
        background: var(--card-bg);
        transition: border-color 0.3s;
        position: relative;
        overflow: hidden;
    }
    .feature-card:hover { border-color: var(--primary); }
    .feature-card .icon {
        font-size: 2.2rem;
        color: var(--primary);
        margin-bottom: 1rem;
    }
    .feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; }
    .feature-card p { color: #5f9e93; font-size: 0.9rem; margin: 0; }
    .feature-card::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 100px;
        height: 100px;
        background: radial-gradient(circle, rgba(20, 184, 166, 0.2), transparent 70%);
        border-radius: 50%;
    }

    /* FAQ */
    .faq-list { max-width: 800px; }
    .faq-item {
        border-bottom: 2px solid var(--border);
        padding: 1.2rem 0;
    }
    .faq-item:last-child { border-bottom: none; }
    .faq-q {
        font-weight: 700;
        font-size: 1.05rem;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: var(--text);
    }
    .faq-q i { color: var(--primary); transition: transform 0.3s; }
    .faq-a {
        color: #4d837a;
        margin-top: 0.5rem;
        display: none;
        font-size: 0.95rem;
        line-height: 1.8;
    }
    .faq-item.active .faq-a { display: block; }
    .faq-item.active .faq-q i { transform: rotate(180deg); }

    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, rgba(5, 150, 105, 0.05), rgba(20, 184, 166, 0.08));
        border-top: 2px solid var(--border);
    }

    /* 友情链接 */
    .friend-links {
        border-top: 2px solid var(--border);
        padding: 2rem 3rem;
        background: rgba(255, 255, 255, 0.5);
    }
    .friend-links h5 {
        font-size: 0.9rem;
        color: var(--primary);
        font-weight: 700;
        margin-bottom: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .friend-links a {
        color: #4d837a;
        text-decoration: none;
        margin-right: 1.5rem;
        font-size: 0.9rem;
    }
    .friend-links a:hover { color: var(--primary); }

    /* 页脚 */
    footer {
        background: var(--text);
        color: #ccfbf1;
        padding: 2.5rem 3rem 2rem;
        font-size: 0.9rem;
    }
    footer a { color: #5eead4; text-decoration: none; }
    footer a:hover { color: #fff; }
    .footer-bottom {
        border-top: 1px solid #0f766e;
        padding-top: 1.5rem;
        margin-top: 1.5rem;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    /* 懒加载渐显 */
    .lazy-fade {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .lazy-fade.show {
        opacity: 1;
        transform: translateY(0);
    }

    /* 瀑布流卡片(模仿) */
    .waterfall {
        columns: 3;
        column-gap: 1.5rem;
    }
    .waterfall-item {
        break-inside: avoid;
        margin-bottom: 1.5rem;
        border: 2px solid var(--border);
        border-radius: 12px;
        overflow: hidden;
        background: var(--card-bg);
        transition: border-color 0.3s;
    }
    .waterfall-item:hover { border-color: var(--primary); }
    .waterfall-item .cover {
        background: linear-gradient(135deg, #a7f3d0, #99f6e4);
        height: 160px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #0f766e;
        font-size: 0.9rem;
        font-weight: 600;
    }
    .waterfall-item .info { padding: 1rem; }
    .waterfall-item .info h4 { font-size: 1rem; font-weight: 700; }
    .waterfall-item .info p { color: #5f9e93; font-size: 0.8rem; margin: 0; }

    /* 移动端 */
    @media (max-width: 991px) {
        .sidebar {
            transform: translateX(-100%);
            width: 220px;
        }
        .sidebar.open { transform: translateX(0); }
        .main-content { margin-left: 0; }
        .menu-toggle {
            display: inline-block;
            position: fixed;
            top: 1rem;
            left: 1rem;
            z-index: 200;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 0.5rem 0.8rem;
            font-size: 1.2rem;
            cursor: pointer;
        }
        .hero { padding: 3.5rem 1.5rem 2rem; }
        .section { padding: 2.5rem 1.5rem; }
        .hero h1 { font-size: 2.2rem; }
        .waterfall { columns: 2; }
        .friend-links { padding: 1.5rem 1.5rem; }
        footer { padding: 1.5rem 1.5rem; }
    }
    @media (max-width: 576px) {
        .waterfall { columns: 1; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
        .hero .float-badge { display: none; }
    }

    .menu-toggle { display: none; }
    @media (max-width: 991px) {
        .menu-toggle { display: inline-block; }
    }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 关于我们页的补充布局与动效 */
        .about-hero { position: relative; padding: 4rem 0 2rem; text-align: center; }
.about-hero h1 { font-size: 2.6rem; font-weight: 800; color: var(--primary); margin-bottom: 1rem; }
.about-hero .lead { font-size: 1.15rem; color: var(--text); max-width: 700px; margin: 0 auto 1.5rem; opacity: .9; }
.about-badge { display: inline-block; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; padding: .4rem 1.2rem; border-radius: 50px; font-weight: 600; font-size: .9rem; margin-bottom: 1.5rem; box-shadow: 0 4px 15px rgba(5, 150, 105, .25); }
.about-card { background: var(--card-bg); border-radius: 20px; padding: 2rem; border: 1px solid var(--border); transition: transform .3s ease, box-shadow .3s ease; }
.about-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(5, 150, 105, .12); }
.about-card h3 { color: var(--primary); font-weight: 700; margin-bottom: 1rem; font-size: 1.4rem; }
.about-card p { color: var(--text); line-height: 1.8; opacity: .9; }
.about-card i { color: var(--accent); margin-right: .5rem; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--primary), var(--accent)); }
.timeline-item { position: relative; margin-bottom: 2rem; padding-left: 1.5rem; }
.timeline-item::before { content: ''; position: absolute; left: -2rem; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 3px solid var(--bg); box-shadow: 0 0 0 2px var(--primary); }
.timeline-item h4 { color: var(--primary); font-weight: 700; margin-bottom: .5rem; }
.timeline-item p { color: var(--text); opacity: .85; line-height: 1.7; }
.value-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.2rem; }
.value-item { background: rgba(5, 150, 105, .05); border: 1px solid var(--border); border-radius: 14px; padding: 1.2rem; text-align: center; transition: background .3s ease; }
.value-item:hover { background: rgba(5, 150, 105, .1); }
.value-item i { font-size: 2rem; color: var(--primary); margin-bottom: .6rem; display: block; }
.value-item h5 { font-weight: 700; color: var(--text); margin-bottom: .3rem; }
.value-item span { font-size: .85rem; color: var(--text); opacity: .7; }
.numbers-row { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: center; margin-top: 1rem; }
.number-item { text-align: center; }
.number-item h3 { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.number-item p { color: var(--text); opacity: .7; }
.cta-inner { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 24px; padding: 2.5rem; color: #fff; text-align: center; }
.cta-inner h3 { font-weight: 800; font-size: 1.8rem; margin-bottom: .8rem; }
.cta-inner p { opacity: .9; margin-bottom: 1.5rem; }
.btn-cta { background: #fff; color: var(--primary); padding: .8rem 2rem; border-radius: 50px; font-weight: 700; text-decoration: none; display: inline-block; transition: transform .2s ease; }
.btn-cta:hover { transform: scale(1.05); color: var(--primary); }
.about-hero h1 { font-size: 1.8rem; }
.about-card { padding: 1.2rem; }
.timeline { padding-left: 1.2rem; }

/* --- 子页面追加 --- */
/* 确保品牌名连续，无额外分隔 */
        .brand-name {
            white-space: nowrap;
            display: inline-block;
        }
/* 免责声明页的特殊间距 */
        .disclaimer-content {
            max-width: 980px;
            margin: 0 auto;
        }
.disclaimer-content h2 {
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
.disclaimer-content p, .disclaimer-content li {
            line-height: 1.75;
            color: var(--text);
        }
.disclaimer-content ul {
            padding-left: 1.2rem;
        }
/* 高亮当前导航 */
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px solid var(--primary);
        }
/* 友情链接区域沿用首页样式，但保证不冲突 */
        .friend-links a {
            color: var(--primary);
            text-decoration: none;
        }
/* 覆盖bootstrap可能的默认背景，但本站类名优先 */
        .card, .card-body, .form-control, .list-group-item {
            background: var(--card-bg);
            color: var(--text);
            border-color: var(--border);
        }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .privacy-hero { padding: 120px 0 60px; text-align: center; }
.privacy-content { max-width: 860px; margin: 0 auto; padding: 0 24px 80px; }
.privacy-section { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 36px 40px; margin-bottom: 32px; box-shadow: 0 4px 20px rgba(5, 150, 105, 0.06); }
.privacy-section h2 { color: var(--primary); font-size: 1.6rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid var(--border); display: flex; align-items: center; gap: 12px; }
.privacy-section h2 i { color: var(--accent); font-size: 1.4rem; }
.privacy-section h3 { color: var(--text); font-size: 1.2rem; font-weight: 600; margin: 24px 0 12px; }
.privacy-section p { color: #2d6a63; line-height: 1.9; margin-bottom: 16px; font-size: 0.95rem; }
.privacy-section ul, .privacy-section ol { color: #2d6a63; line-height: 1.9; margin-bottom: 16px; padding-left: 24px; }
.privacy-section li { margin-bottom: 8px; }
.privacy-section strong { color: var(--primary); }
.privacy-section .highlight-box { background: rgba(5, 150, 105, 0.08); border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 0 12px 12px 0; margin: 20px 0; }
.privacy-section .highlight-box p { margin-bottom: 0; }
.privacy-meta { text-align: center; color: #5b8a84; font-size: 0.9rem; margin-bottom: 40px; }
.privacy-meta span { display: inline-block; margin: 0 16px; }
.privacy-meta i { color: var(--accent); margin-right: 6px; }
.privacy-update { background: var(--bg); border: 1px dashed var(--primary); border-radius: 12px; padding: 16px 24px; text-align: center; color: var(--primary); font-weight: 500; margin-top: 40px; }
.privacy-hero { padding: 100px 0 40px; }
.privacy-section { padding: 28px 20px; }
.privacy-section h2 { font-size: 1.3rem; }