:root{
      --bg:#f8f5ef;
      --bg2:#f3f0e8;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:#e7dfd1;
      --brand:#2b6cb0;
      --brand2:#f28c28;
      --accent:#4f8cff;
      --success:#2f855a;
      --shadow:0 10px 30px rgba(31,42,55,.08);
      --shadow2:0 16px 40px rgba(31,42,55,.12);
      --radius:20px;
      --radius2:28px;
      --container: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(--text);
      background:
        radial-gradient(circle at top left, rgba(79,140,255,.12), transparent 28%),
        radial-gradient(circle at right 12%, rgba(242,140,40,.10), transparent 24%),
        linear-gradient(180deg, #fcfbf8 0%, var(--bg) 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(248,245,239,.86);
      border-bottom:1px solid rgba(231,223,209,.7);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:78px;padding:12px 0;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand .name{font-weight:800;font-size:18px;letter-spacing:.5px}
    .brand .sub{font-size:12px;color:var(--muted)}
    .menu{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end;
    }
    .menu a{
      font-size:14px;color:#314155;padding:8px 10px;border-radius:10px;
      transition:.22s ease;
    }
    .menu a:hover,.menu a:focus{background:#fff;box-shadow:0 6px 16px rgba(31,42,55,.08);transform:translateY(-1px)}
    .nav-actions{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:999px;
      padding:11px 16px;font-weight:700;font-size:14px;
      transition:.24s ease;cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#6d8fff);color:#fff;box-shadow:0 12px 24px rgba(43,108,176,.20)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(43,108,176,.28)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(31,42,55,.08)}
    .burger{
      display:none;border:1px solid var(--line);background:#fff;border-radius:14px;
      width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer;
    }
    .burger span{width:20px;height:2px;background:#253041;position:relative;display:block}
    .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#253041}
    .burger span::before{top:-6px}.burger span::after{top:6px}
    .mobile-panel{display:none;padding:0 0 16px}
    .mobile-panel a{display:block;padding:12px 0;border-top:1px dashed var(--line);color:#304152}
    .hero{
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;
    }
    .hero-copy,.hero-side,.section-card,.panel,.faq-item,.review,.case-card,.article-card,.stat,.info-box,.form-box,.table-box,.compare-card{
      background:var(--card);border:1px solid rgba(231,223,209,.9);border-radius:var(--radius2);box-shadow:var(--shadow);
    }
    .hero-copy{
      padding:28px;
      position:relative;overflow:hidden;
    }
    .hero-copy::before{
      content:"";position:absolute;inset:auto -60px -60px auto;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(79,140,255,.16), transparent 65%);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:#f5f8ff;color:#2956a0;border:1px solid #d7e4ff;
      padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700;
    }
    h1{
      margin:14px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.5px;
    }
    .hero-desc{font-size:16px;color:var(--muted);max-width:52ch;margin:0 0 18px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0 18px}
    .hero-meta{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px
    }
    .mini{
      padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg,#fff, #fbf8f2);border:1px solid var(--line)
    }
    .mini strong{display:block;font-size:18px;margin-bottom:4px}
    .mini span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-badge{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff8ef,#f3f7ff);border:1px solid #eadfce}
    .side-badge strong{font-size:16px}
    .side-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .side-list li{
      display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px dashed var(--line)
    }
    .dot{width:10px;height:10px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:none}
    .section{padding:14px 0 4px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:6px 0 16px}
    .section-head h2{margin:0;font-size:26px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .stat,.card,.service,.review,.case-card,.article-card,.faq-item,.panel,.info-box,.form-box,.table-box,.compare-card{padding:20px}
    .stat .n{font-size:28px;font-weight:800;color:#21324a}
    .stat .t{font-weight:700;margin-top:8px}
    .stat .d{font-size:14px;color:var(--muted);margin-top:6px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:#314155;font-size:13px;box-shadow:0 4px 14px rgba(31,42,55,.04)
    }
    .service h3,.card h3,.compare-card h3,.case-card h3,.article-card h3,.review h3{margin:0 0 8px;font-size:18px}
    .service p,.card p,.case-card p,.article-card p,.review p,.compare-card p{margin:0;color:var(--muted)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(79,140,255,.14),rgba(242,140,40,.12));
      color:#214f93;font-weight:900;margin-bottom:12px
    }
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #fbf8f0);
      border:1px solid var(--line);position:relative
    }
    .step .num{font-weight:900;color:#7b5ce1;font-size:14px}
    .step h3{margin:8px 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .table-wrap{overflow:auto;border-radius:20px}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#faf7f2;color:#253041;font-size:14px}
    tr:last-child td{border-bottom:none}
    .good{color:var(--success);font-weight:700}
    .bad{color:#a24c3b;font-weight:700}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:8px}
    .stars{color:#e9a900;font-size:18px;letter-spacing:2px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:none;background:transparent;color:var(--text);
      padding:18px 20px;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease}
    .faq-a p{margin:0;color:var(--muted);padding:0 20px 18px}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .faq-a p{padding-top:0}
    .faq-chevron{transition:transform .22s ease}
    .faq-item.active .faq-chevron{transform:rotate(180deg)}
    .reviews,.cases,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{position:relative}
    .review .role{display:inline-block;margin-top:10px;font-size:13px;color:#28508f;background:#f3f7ff;border:1px solid #d8e4ff;padding:6px 10px;border-radius:999px}
    .review .quote{font-size:15px;color:#374657;margin-top:10px}
    .review .name{font-weight:800;margin-top:12px}
    .review::after{
      content:"";position:absolute;right:16px;top:16px;font-size:28px;color:#dbe7ff
    }
    .case-card .meta,.article-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .pill{font-size:12px;padding:6px 10px;border-radius:999px;background:#f5f7fb;border:1px solid #e2e8f2;color:#3d5168}
    .article-card a.more{display:inline-flex;margin-top:12px;color:#2956a0;font-weight:700}
    .timeline{display:grid;gap:12px}
    .timeline-item{
      display:grid;grid-template-columns:110px 1fr;gap:14px;padding:16px 18px;border-radius:18px;
      background:#fff;border:1px solid var(--line)
    }
    .timeline-item strong{color:#22334b}
    .timeline-item span{color:var(--muted);font-size:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:grid;gap:8px}
    .field label{font-size:14px;font-weight:700;color:#2d3e52}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #d9e0ea;border-radius:14px;background:#fff;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#86a7ff;box-shadow:0 0 0 4px rgba(79,140,255,.12)}
    .field textarea{min-height:120px;resize:vertical}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
    .contact-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:16px;align-items:start}
    .contact-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .contact-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px dashed var(--line)}
    .qr{
      display:grid;grid-template-columns:1fr;gap:12px;justify-items:start
    }
    .qr img{width:170px;border-radius:18px;border:1px solid var(--line);background:#fff;padding:8px;box-shadow:var(--shadow)}
    footer{
      margin-top:24px;background:#1d2733;color:#e8eef7;border-top:1px solid rgba(255,255,255,.06)
    }
    footer a{color:#d9e7ff}
    .footer-inner{padding:26px 0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer-grid h3{margin:0 0 10px;font-size:16px;color:#fff}
    .footer-grid p,.footer-grid li{color:#c7d2e2;font-size:14px}
    .footer-grid ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .copyright{padding-top:16px;margin-top:18px;border-top:1px solid rgba(255,255,255,.08);color:#c7d2e2;font-size:13px}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:52px;height:52px;border-radius:16px;border:none;display:grid;place-items:center;
      background:linear-gradient(135deg,#ffffff,#f5f8ff);box-shadow:var(--shadow);cursor:pointer;color:#26476f;font-size:18px
    }
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .fade-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-in.visible{opacity:1;transform:translateY(0)}
    .note{
      padding:14px 16px;border-left:4px solid var(--brand2);background:#fffaf1;border-radius:14px;color:#6a5635
    }
    @media (max-width: 980px){
      .hero-grid,.contact-layout,.footer-grid,.grid-4,.grid-3,.reviews,.cases,.articles,.steps{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 740px){
      .menu,.nav-actions{display:none}
      .burger{display:inline-flex}
      .mobile-panel.open{display:block}
      .hero-grid,.contact-layout,.footer-grid,.grid-4,.grid-3,.reviews,.cases,.articles,.steps,.hero-meta,.form-grid{grid-template-columns:1fr}
      .hero-copy,.hero-side,.stat,.service,.card,.review,.case-card,.article-card,.faq-item,.panel,.info-box,.form-box,.table-box,.compare-card{padding:18px}
      .hero{padding-top:22px}
      h1{font-size:31px}
      .timeline-item{grid-template-columns:1fr}
    }