:root{
      --bg:#f7f4ef;
      --bg2:#eef5f6;
      --card:#ffffff;
      --ink:#1f2937;
      --muted:#5f6b7a;
      --line:#e6e0d7;
      --brand:#2457f5;
      --brand2:#11a5b8;
      --accent:#f25f5c;
      --accent2:#ffbf69;
      --shadow:0 18px 50px rgba(37, 58, 86, .10);
      --shadow2:0 10px 30px rgba(37, 58, 86, .08);
      --radius:22px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(36,87,245,.08), transparent 32%),
        radial-gradient(circle at top right, rgba(17,165,184,.10), transparent 26%),
        linear-gradient(180deg, #fbfaf8 0%, #f4f7fa 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:30;
      backdrop-filter: blur(16px);
      background:rgba(247,244,239,.78);
      border-bottom:1px solid rgba(230,224,215,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:40px;height:40px;object-fit:contain}
    .brand-text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
    .brand-text strong{font-size:16px;letter-spacing:.3px}
    .brand-text span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .menu-toggle{
      display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
      border-radius:12px;padding:10px 12px;box-shadow:var(--shadow2)
    }
    nav{display:flex;align-items:center;gap:12px}
    .nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
    .nav-links a{
      padding:10px 12px;border-radius:999px;color:#334155;font-size:14px;
      transition:.22s ease;background:transparent
    }
    .nav-links a:hover{background:rgba(36,87,245,.08);color:var(--brand)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:14px;padding:12px 16px;
      font-weight:700;font-size:14px;transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#4b8cff);color:#fff;box-shadow:0 12px 24px rgba(36,87,245,.20)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(36,87,245,.25)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-ghost:hover{border-color:#c8d3f5;color:var(--brand);transform:translateY(-1px)}
    main{overflow:hidden}
    .hero{
      position:relative;padding:42px 0 28px;
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,191,105,.20), transparent 24%),
        radial-gradient(circle at 80% 30%, rgba(17,165,184,.16), transparent 28%),
        radial-gradient(circle at 50% 90%, rgba(36,87,245,.10), transparent 28%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-card,.panel,.info-card,.service-card,.case-card,.review-card,.faq-item,.form-card,.article-card,.price-card,.timeline-card,.compare-card,.network-card,.match-card{
      background:rgba(255,255,255,.92);border:1px solid rgba(230,224,215,.9);box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-card{padding:32px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(36,87,245,.08);color:var(--brand);font-weight:700;font-size:13px
    }
    h1{margin:18px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px
    }
    .mini-stat{
      background:linear-gradient(180deg,#fff, #f8fbff);
      border:1px solid var(--line);border-radius:18px;padding:16px
    }
    .mini-stat strong{display:block;font-size:22px;line-height:1.15}
    .mini-stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .panel{padding:22px}
    .panel h2,.section-title h2{margin:0;font-size:24px}
    .panel p{margin:10px 0 0;color:var(--muted);line-height:1.75}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .badge{padding:9px 12px;border-radius:999px;background:#f4f8ff;border:1px solid #dce8ff;color:#2043aa;font-size:13px;font-weight:600}
    .section{padding:20px 0 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 18px}
    .section-title p{margin:8px 0 0;color:var(--muted);line-height:1.75;max-width:70ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .info-card,.service-card,.case-card,.review-card,.article-card,.price-card,.timeline-card,.compare-card,.network-card,.match-card,.form-card{padding:20px}
    .info-card h3,.service-card h3,.case-card h3,.review-card h3,.article-card h3,.price-card h3,.timeline-card h3,.compare-card h3,.network-card h3,.match-card h3{margin:0 0 10px;font-size:18px}
    .info-card p,.service-card p,.case-card p,.review-card p,.article-card p,.price-card p,.timeline-card p,.compare-card p,.network-card p,.match-card p{margin:0;color:var(--muted);line-height:1.78}
    .metric{display:flex;align-items:end;gap:10px}
    .metric strong{font-size:28px;line-height:1}
    .metric span{color:var(--muted);font-size:13px}
    .section-soft{
      margin-top:18px;padding:24px;border-radius:28px;
      background:linear-gradient(135deg, rgba(36,87,245,.06), rgba(17,165,184,.06));
      border:1px solid rgba(189,212,255,.5)
    }
    .chip-list{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155}
    .service-card ul,.compare-list,.faq-body ul,.article-card ul,.match-card ul{margin:12px 0 0;padding:0;list-style:none}
    .service-card li,.compare-list li,.article-card li,.match-card li{
      padding:9px 0;border-top:1px dashed #e9e3db;color:#334155;line-height:1.65
    }
    .service-card li:first-child,.compare-list li:first-child,.article-card li:first-child,.match-card li:first-child{border-top:0;padding-top:0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)
    }
    .step .num{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(36,87,245,.12), rgba(17,165,184,.12));color:var(--brand);font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #eee7de;vertical-align:top}
    th{background:#f8fafc;color:#334155;font-size:14px}
    td{color:#334155;line-height:1.7}
    .scorebox{
      display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center
    }
    .stars{color:#e09f3e;font-size:18px;letter-spacing:2px}
    .score strong{font-size:34px;line-height:1}
    .score span{display:block;color:var(--muted);margin-top:6px}
    .rating-note{padding:16px;border-radius:16px;background:#f7fbff;border:1px solid #d9e7ff}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
      background:transparent;border:0;padding:18px 20px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer
    }
    .faq-q span{color:var(--brand);font-weight:800}
    .faq-body{max-height:0;overflow:hidden;transition:max-height .28s ease, padding .28s ease;border-top:1px solid transparent}
    .faq-item.open .faq-body{max-height:260px;padding:0 20px 18px}
    .faq-item.open .faq-q{color:var(--brand)}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid #eee7de;color:#5f6b7a;font-size:13px}
    .quote{font-size:15px;line-height:1.85;color:#334155}
    .article-card .tag,.case-card .tag,.network-card .tag,.price-card .tag{
      display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(36,87,245,.08);color:var(--brand);font-size:12px;font-weight:700
    }
    .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .timeline-card{position:relative}
    .timeline-card::after{
      content:"";position:absolute;top:24px;right:-8px;width:16px;height:2px;background:#c9d6f5
    }
    .timeline-card:last-child::after{display:none}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card.featured{
      border-color:rgba(36,87,245,.35);
      box-shadow:0 22px 60px rgba(36,87,245,.12);
      transform:translateY(-4px)
    }
    .price{
      display:flex;align-items:end;gap:8px;margin:14px 0 10px
    }
    .price strong{font-size:30px}
    .price span{color:var(--muted);font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{
      margin-top:26px;padding:24px 0 26px;border-top:1px solid #e7e0d7;background:#f4f7f9;color:#243042
    }
    footer a{color:#1f4fd1}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .small{font-size:13px;color:var(--muted);line-height:1.8}
    .contact-grid{display:grid;grid-template-columns:1fr 280px;gap:16px;align-items:start}
    .qr{
      background:#fff;padding:14px;border-radius:18px;border:1px solid var(--line);text-align:center
    }
    .qr img{width:100%;border-radius:14px;object-fit:cover}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#334155}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d9e1ea;background:#fff;color:var(--ink);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8aa4ef;box-shadow:0 0 0 4px rgba(36,87,245,.08)}
    textarea{min-height:120px;resize:vertical}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#4d86ff);color:#fff;box-shadow:var(--shadow);border:0;cursor:pointer
    }
    .float-link{
      display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);color:#1f2937
    }
    .float-link strong{font-size:14px}
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.22s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    .scroll-tags{
      display:flex;gap:10px;overflow:auto;padding-bottom:2px;
      scrollbar-width:none
    }
    .scroll-tags::-webkit-scrollbar{display:none}
    .network-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .mapline{
      display:grid;gap:10px;margin-top:12px
    }
    .maprow{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #eee7de;color:#334155}
    .maprow:first-child{border-top:0}
    .list-inline{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .list-inline span{padding:8px 11px;border-radius:12px;background:#f8fafc;border:1px solid #e8eef8;font-size:13px;color:#364152}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.steps,.review-grid,.price-grid,.timeline,.footer-grid,.contact-grid,.network-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:start}
      .timeline-card::after{display:none}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      nav.open .nav-links{
        display:flex;position:absolute;left:16px;right:16px;top:74px;flex-direction:column;align-items:stretch;
        padding:14px;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
      }
      nav.open .nav-links a{padding:12px 14px}
      .nav{position:relative}
      .nav-cta .btn-ghost{display:none}
      .mobile-only{display:inline-flex}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 20px))}
      .hero-card,.panel,.info-card,.service-card,.case-card,.review-card,.faq-item,.form-card,.article-card,.price-card,.timeline-card,.compare-card,.network-card,.match-card{padding:16px}
      .hero{padding-top:24px}
      h1{font-size:clamp(28px, 9vw, 38px)}
      .hero-actions .btn{width:100%}
      .scorebox{grid-template-columns:1fr}
      .nav-cta .btn-primary{padding:11px 14px}
      .floating{right:10px;bottom:10px}
    }