* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: #fff5f3;
      color: #2d1b1b;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }
    h1, h2, h3, h4 { line-height: 1.3; color: #1f1212; }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
    h3 { font-size: 1.2rem; }
    .section { padding: 56px 0; }
    .section-title { text-align: center; margin-bottom: 36px; }
    .section-title h2 { font-size: 1.9rem; color: #c72a1e; display: inline-block; position: relative; }
    .section-title h2::after { content: ""; display: block; width: 50px; height: 3px; background: linear-gradient(90deg, #e84a3a, #ff9a8b); margin: 10px auto 0; border-radius: 2px; }
    .section-title p { color: #6b4a4a; max-width: 680px; margin: 10px auto 0; font-size: 0.95rem; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
      transition: all 0.25s ease; cursor: pointer; border: none; text-align: center;
    }
    .btn-primary { background: linear-gradient(135deg, #e84a3a, #c72a1e); color: #fff; box-shadow: 0 6px 18px rgba(199, 42, 30, 0.3); }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(199, 42, 30, 0.4); }
    .btn-outline { background: transparent; border: 2px solid #e84a3a; color: #c72a1e; }
    .btn-outline:hover { background: #fff0ed; transform: translateY(-2px); }
    .btn-white { background: #fff; color: #c72a1e; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
    .btn-white:hover { background: #fff5f3; transform: translateY(-2px); }

    /* 导航 */
    .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 245, 243, 0.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(199, 42, 30, 0.12); }
    .nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
    .brand { display: flex; align-items: center; gap: 10px; }
    .brand img { width: 40px; height: 40px; object-fit: contain; }
    .brand-text { font-weight: 800; font-size: 1.15rem; color: #c72a1e; letter-spacing: 0.5px; }
    .nav-links { display: flex; align-items: center; gap: 0; }
    .nav-links a { padding: 8px 12px; font-size: 0.9rem; font-weight: 500; color: #3d2424; border-radius: 6px; transition: all 0.2s; white-space: nowrap; }
    .nav-links a:hover { color: #c72a1e; background: #ffe8e4; }
    .nav-cta { display: flex; align-items: center; gap: 8px; }
    .nav-cta .btn { padding: 8px 18px; font-size: 0.85rem; }
    .mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
    .mobile-toggle span { display: block; width: 24px; height: 2px; background: #2d1b1b; margin: 5px 0; transition: 0.3s; border-radius: 2px; }

    /* Hero 首屏 */
    .hero {
      position: relative;
      background: linear-gradient(145deg, #fff0ed 0%, #ffe3dd 40%, #ffd6cc 100%);
      padding: 80px 0 70px;
      overflow: hidden;
    }
    .hero::before {
      content: ""; position: absolute; top: -120px; right: -80px; width: 420px; height: 420px;
      background: radial-gradient(circle, rgba(232, 74, 58, 0.12) 0%, transparent 70%);
      border-radius: 50%; pointer-events: none;
    }
    .hero::after {
      content: ""; position: absolute; bottom: -100px; left: -60px; width: 360px; height: 360px;
      background: radial-gradient(circle, rgba(255, 154, 139, 0.15) 0%, transparent 70%);
      border-radius: 50%; pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 2; text-align: center; max-width: 820px; margin: 0 auto; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px;
      background: rgba(255, 255, 255, 0.8); border: 1px solid rgba(199, 42, 30, 0.25);
      border-radius: 50px; font-size: 0.82rem; font-weight: 600; color: #c72a1e; margin-bottom: 20px;
      animation: floatIn 0.8s ease both;
    }
    .hero h1 { font-size: 2.6rem; margin-bottom: 18px; color: #2d1212; animation: floatIn 0.8s 0.1s ease both; }
    .hero h1 span { color: #c72a1e; }
    .hero p { font-size: 1.05rem; color: #5c3a3a; max-width: 640px; margin: 0 auto 28px; animation: floatIn 0.8s 0.2s ease both; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; animation: floatIn 0.8s 0.3s ease both; }
    .hero-stats {
      display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 40px; margin-top: 44px;
      animation: floatIn 0.8s 0.4s ease both;
    }
    .hero-stat-item { text-align: center; min-width: 100px; }
    .hero-stat-item strong { display: block; font-size: 1.6rem; color: #c72a1e; font-weight: 800; }
    .hero-stat-item span { font-size: 0.82rem; color: #6b4a4a; }
    @keyframes floatIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

    /* 数据卡片 */
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .stat-card {
      background: #fff; border-radius: 16px; padding: 28px 20px; text-align: center;
      border: 1px solid #ffe0d9; box-shadow: 0 4px 16px rgba(199, 42, 30, 0.06);
      transition: transform 0.25s, box-shadow 0.25s;
    }
    .stat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(199, 42, 30, 0.1); }
    .stat-card .stat-num { font-size: 1.9rem; font-weight: 800; color: #c72a1e; }
    .stat-card .stat-label { font-size: 0.9rem; color: #5c3a3a; margin-top: 6px; }

    /* 服务能力卡片 */
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .service-card {
      background: #fff; border-radius: 18px; padding: 26px 22px;
      border: 1px solid #ffe0d9; box-shadow: 0 4px 14px rgba(199, 42, 30, 0.05);
      transition: transform 0.25s, box-shadow 0.25s; display: flex; flex-direction: column; gap: 10px;
    }
    .service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(199, 42, 30, 0.1); }
    .service-icon { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, #ffe8e4, #ffd1c9); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #c72a1e; font-weight: 800; }
    .service-card h3 { font-size: 1.05rem; color: #2d1b1b; }
    .service-card p { font-size: 0.88rem; color: #6b4a4a; }

    /* 流程步骤 */
    .steps { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
    .step-item { flex: 1 1 160px; max-width: 200px; text-align: center; position: relative; padding: 10px; }
    .step-num { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, #e84a3a, #c72a1e); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; font-size: 1.1rem; box-shadow: 0 4px 12px rgba(199, 42, 30, 0.3); }
    .step-item h4 { font-size: 0.98rem; margin-bottom: 4px; color: #2d1b1b; }
    .step-item p { font-size: 0.82rem; color: #6b4a4a; }
    .steps-connect { display: none; }

    /* 对比表格 */
    .table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid #ffe0d9; background: #fff; -webkit-overflow-scrolling: touch; }
    .compare-table { width: 100%; min-width: 700px; border-collapse: collapse; font-size: 0.9rem; }
    .compare-table th, .compare-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #ffe8e3; }
    .compare-table th { background: #fff0ed; color: #c72a1e; font-weight: 700; font-size: 0.92rem; }
    .compare-table td:first-child { font-weight: 600; color: #2d1b1b; }
    .compare-table tr:last-child td { border-bottom: none; }
    .compare-table .highlight { color: #c72a1e; font-weight: 700; }
    .rating-stars { color: #f5a623; font-size: 1.1rem; letter-spacing: 2px; }

    /* FAQ */
    .faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item { background: #fff; border-radius: 14px; border: 1px solid #ffe0d9; overflow: hidden; transition: box-shadow 0.2s; }
    .faq-item:hover { box-shadow: 0 4px 14px rgba(199, 42, 30, 0.07); }
    .faq-q { width: 100%; padding: 16px 20px; font-size: 0.95rem; font-weight: 600; color: #2d1b1b; background: none; border: none; text-align: left; display: flex; justify-content: space-between; align-items: center; cursor: pointer; gap: 12px; }
    .faq-q::after { content: "+"; font-size: 1.2rem; color: #c72a1e; transition: transform 0.3s; flex-shrink: 0; }
    .faq-item.open .faq-q::after { transform: rotate(45deg); }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
    .faq-a p { padding: 0 20px 16px; font-size: 0.88rem; color: #6b4a4a; }
    .faq-item.open .faq-a { max-height: 260px; }

    /* 评论 */
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .review-card { background: #fff; border-radius: 16px; padding: 24px 22px; border: 1px solid #ffe0d9; transition: transform 0.25s, box-shadow 0.25s; }
    .review-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(199, 42, 30, 0.08); }
    .review-stars { color: #f5a623; font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 10px; }
    .review-text { font-size: 0.88rem; color: #3d2424; margin-bottom: 16px; }
    .review-author { display: flex; align-items: center; gap: 10px; }
    .review-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, #ffd1c9, #ffe8e4); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #c72a1e; font-size: 0.85rem; flex-shrink: 0; }
    .review-name { font-weight: 600; font-size: 0.88rem; color: #2d1b1b; }
    .review-role { font-size: 0.78rem; color: #8b6b6b; }

    /* 案例 */
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .case-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #ffe0d9; transition: transform 0.25s, box-shadow 0.25s; }
    .case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(199, 42, 30, 0.1); }
    .case-img { width: 100%; aspect-ratio: 16/10; overflow: hidden; background: #ffe8e4; }
    .case-img img { width: 100%; height: 100%; object-fit: cover; }
    .case-body { padding: 18px 20px; }
    .case-body h3 { font-size: 1rem; margin-bottom: 6px; }
    .case-body p { font-size: 0.85rem; color: #6b4a4a; }

    /* 文章 & 标签 */
    .article-list { display: flex; flex-direction: column; gap: 14px; max-width: 760px; margin: 0 auto; }
    .article-item { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: #fff; border-radius: 12px; padding: 16px 20px; border: 1px solid #ffe0d9; transition: transform 0.2s, box-shadow 0.2s; }
    .article-item:hover { transform: translateX(4px); box-shadow: 0 6px 16px rgba(199, 42, 30, 0.07); }
    .article-item a { font-weight: 600; font-size: 0.92rem; color: #2d1b1b; }
    .article-item a:hover { color: #c72a1e; }
    .article-date { font-size: 0.8rem; color: #8b6b6b; white-space: nowrap; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 28px; }
    .tag-cloud span { padding: 6px 16px; background: #fff; border: 1px solid #ffd1c9; border-radius: 50px; font-size: 0.82rem; color: #c72a1e; transition: all 0.2s; }
    .tag-cloud span:hover { background: #fff0ed; transform: translateY(-2px); }

    /* 表单 */
    .form-wrap { max-width: 720px; margin: 0 auto; background: #fff; border-radius: 20px; padding: 36px 32px; border: 1px solid #ffe0d9; box-shadow: 0 8px 28px rgba(199, 42, 30, 0.07); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .form-group { display: flex; flex-direction: column; gap: 6px; }
    .form-group.full { grid-column: 1 / -1; }
    .form-group label { font-size: 0.85rem; font-weight: 600; color: #3d2424; }
    .form-group input, .form-group select, .form-group textarea {
      padding: 12px 14px; border: 1px solid #ffd1c9; border-radius: 10px; font-size: 0.9rem;
      background: #fffaf9; color: #2d1b1b; transition: border-color 0.2s, box-shadow 0.2s; font-family: inherit;
    }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      outline: none; border-color: #e84a3a; box-shadow: 0 0 0 3px rgba(232, 74, 58, 0.12);
    }
    .form-group textarea { resize: vertical; min-height: 100px; }
    .form-submit { grid-column: 1 / -1; }
    .form-submit .btn { width: 100%; padding: 14px; font-size: 1rem; }

    /* 页脚 */
    .site-footer { background: #2d1212; color: #f5e0dc; padding: 48px 0 24px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 32px; }
    .footer-brand .brand-text { color: #ff9a8b; font-size: 1.2rem; margin-bottom: 8px; }
    .footer-brand p { font-size: 0.85rem; color: #d4b8b3; margin-bottom: 12px; }
    .footer-col h4 { font-size: 0.95rem; color: #ff9a8b; margin-bottom: 14px; }
    .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
    .footer-col ul li a { font-size: 0.85rem; color: #d4b8b3; transition: color 0.2s; }
    .footer-col ul li a:hover { color: #ff9a8b; }
    .footer-contact p { font-size: 0.85rem; color: #d4b8b3; margin-bottom: 6px; }
    .footer-bottom { border-top: 1px solid rgba(255, 154, 139, 0.2); margin-top: 32px; padding-top: 20px; text-align: center; font-size: 0.8rem; color: #b89a95; }
    .footer-qr { width: 80px; border-radius: 8px; margin-top: 8px; border: 1px solid rgba(255,255,255,0.1); }

    /* 浮动客服 */
    .float-service { position: fixed; right: 20px; bottom: 90px; z-index: 99; display: flex; flex-direction: column; gap: 10px; }
    .float-btn { width: 48px; height: 48px; border-radius: 50%; background: #fff; border: 2px solid #e84a3a; color: #c72a1e; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; cursor: pointer; box-shadow: 0 4px 14px rgba(199, 42, 30, 0.2); transition: all 0.2s; position: relative; }
    .float-btn:hover { transform: scale(1.08); background: #fff0ed; }
    .float-btn .tooltip { position: absolute; right: 58px; background: #2d1212; color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 0.78rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
    .float-btn:hover .tooltip { opacity: 1; }
    .qr-pop { display: none; position: absolute; right: 58px; bottom: 0; background: #fff; padding: 10px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
    .qr-pop img { width: 120px; height: auto; border-radius: 6px; }
    .float-btn:hover .qr-pop { display: block; }

    /* 返回顶部 */
    .back-top { position: fixed; right: 20px; bottom: 20px; z-index: 99; width: 48px; height: 48px; border-radius: 50%; background: #c72a1e; color: #fff; border: none; cursor: pointer; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(199, 42, 30, 0.35); opacity: 0; visibility: hidden; transition: all 0.3s; }
    .back-top.show { opacity: 1; visibility: visible; }
    .back-top:hover { background: #e84a3a; transform: translateY(-3px); }

    /* 滚动渐入 */
    .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* 响应式 */
    @media (max-width: 1024px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 860px) {
      .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 16px; border-bottom: 1px solid #ffe0d9; box-shadow: 0 8px 20px rgba(0,0,0,0.06); gap: 0; }
      .nav-links.active { display: flex; }
      .nav-links a { padding: 12px 16px; border-radius: 8px; }
      .nav-cta { display: none; }
      .mobile-toggle { display: block; }
      .hero h1 { font-size: 1.9rem; }
      .hero { padding: 56px 0 48px; }
    }
    @media (max-width: 640px) {
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
      .service-grid { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .form-wrap { padding: 24px 18px; }
      .footer-grid { grid-template-columns: 1fr; }
      .hero h1 { font-size: 1.6rem; }
      .hero-stats { gap: 16px 24px; }
      .hero-stat-item strong { font-size: 1.3rem; }
      .steps { gap: 12px; }
      .step-item { flex: 1 1 120px; max-width: none; }
      .article-item { flex-direction: column; align-items: flex-start; gap: 6px; }
      .float-service { right: 12px; bottom: 80px; }
      .back-top { right: 12px; bottom: 16px; }
    }