:root{
      --bg:#f6f2ea;
      --bg2:#fffdf8;
      --card:#ffffff;
      --ink:#1f2a37;
      --muted:#5f6b7a;
      --line:#e7dfd2;
      --brand:#ef7d39;
      --brand2:#6d78ff;
      --brand3:#13b8a6;
      --shadow:0 18px 50px rgba(31,42,55,.08);
      --radius:22px;
      --radius-sm:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(239,125,57,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(109,120,255,.12), transparent 24%),
        linear-gradient(180deg, #fff 0%, var(--bg) 28%, #f8f6f1 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .skip{position:absolute;left:-9999px;top:auto}
    .skip:focus{left:16px;top:16px;background:#fff;padding:10px 14px;border-radius:999px;z-index:1000}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(246,242,234,.84);
      border-bottom:1px solid rgba(231,223,210,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand b{font-size:18px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#334155;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover{background:rgba(239,125,57,.1);color:#b94e0a}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;font-weight:700;border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      cursor:pointer;
    }
    .btn{background:linear-gradient(135deg,var(--brand),#ff9b52); color:#fff; box-shadow:0 12px 28px rgba(239,125,57,.24)}
    .btn:hover,.btn-outline:hover{transform:translateY(-2px)}
    .btn-outline{background:#fff;color:#273244;border-color:#dfd6c6}
    .menu-btn{display:none;background:#fff;border:1px solid #e4dccf;border-radius:14px;padding:10px 12px}
    .hero{
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch;
    }
    .hero-card{
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,250,245,.88)),
        radial-gradient(circle at top right, rgba(239,125,57,.18), transparent 22%),
        radial-gradient(circle at bottom left, rgba(109,120,255,.14), transparent 24%);
      border:1px solid rgba(231,223,210,.9);
      box-shadow:var(--shadow);
      border-radius:30px;
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:999px;filter:blur(0);
      background:linear-gradient(135deg, rgba(239,125,57,.22), rgba(109,120,255,.18));
      pointer-events:none;
    }
    .hero-card:before{width:180px;height:180px;right:-60px;top:-60px}
    .hero-card:after{width:120px;height:120px;left:-40px;bottom:-35px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #eadfcc;color:#8b5a2b;font-size:13px;font-weight:700;
    }
    h1{font-size:clamp(30px, 4vw, 54px);line-height:1.08;margin:16px 0 14px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .meta-pill{
      background:#fff;border:1px solid #e7dfd2;color:#334155;border-radius:999px;padding:10px 14px;font-size:13px;
      box-shadow:0 8px 24px rgba(31,42,55,.04)
    }
    .hero-side{
      display:grid;gap:16px;
    }
    .stat-grid{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
    }
    .stat{
      background:rgba(255,255,255,.9); border:1px solid #e6dfd1; border-radius:24px; padding:18px;
      box-shadow:0 10px 28px rgba(31,42,55,.05);
    }
    .stat strong{display:block;font-size:26px;margin-bottom:4px}
    .stat span{font-size:13px;color:var(--muted);line-height:1.5}
    .side-panel{
      background:linear-gradient(180deg,#fff, #fff8ef);
      border:1px solid #eadfcc;border-radius:24px;padding:18px;box-shadow:0 14px 34px rgba(31,42,55,.06)
    }
    .side-panel h2{font-size:18px;margin:0 0 10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      font-size:13px;padding:8px 11px;border-radius:999px;background:#f7f4ee;border:1px solid #e8dfd1;color:#39485c
    }
    main section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{font-size:28px;margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:58ch;line-height:1.7}
    .card{
      background:rgba(255,255,255,.92);border:1px solid #e8e0d3;border-radius:24px;box-shadow:0 12px 30px rgba(31,42,55,.05)
    }
    .about,.service-grid,.process,.case-grid,.review-grid,.article-grid,.network-grid,.compare-wrap,.help-grid,.faq-grid,.training-grid,.benefit-grid{display:grid;gap:16px}
    .about{grid-template-columns:1fr 1fr}
    .about .card{padding:22px}
    .list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .list li{display:flex;gap:10px;line-height:1.7;color:#344152}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:8px;flex:0 0 auto}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .service{padding:20px}
    .service h3,.case h3,.review h3,.article h3,.network h3,.help h3,.training h3{margin:0 0 10px;font-size:18px}
    .service p,.case p,.review p,.article p,.network p,.help p,.training p{margin:0;color:var(--muted);line-height:1.75}
    .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chips span{font-size:12px;background:#f8f4ee;border:1px solid #e8dfd2;border-radius:999px;padding:7px 10px}
    .process{grid-template-columns:repeat(4,1fr)}
    .step{padding:20px;position:relative;overflow:hidden}
    .step strong{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),#ffb36c);color:#fff;margin-bottom:12px}
    .compare-wrap{grid-template-columns:1.05fr .95fr}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid #e8dfd3;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #f0eadf;text-align:left;vertical-align:top}
    th{background:#fff8ef;font-size:14px}
    td{font-size:14px;color:#334155;line-height:1.7}
    .rating{padding:22px}
    .rating .score{font-size:40px;font-weight:800;color:#111827}
    .stars{color:#ef7d39;font-size:20px;letter-spacing:2px}
    .gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .gallery .card{padding:14px}
    .gallery img{width:100%;border-radius:18px;aspect-ratio:16/10;object-fit:cover}
    .case-grid{grid-template-columns:repeat(3,1fr)}
    .case{padding:20px}
    .review-grid{grid-template-columns:repeat(3,1fr)}
    .review{padding:20px}
    .review .who{margin-top:14px;font-weight:700;color:#243042}
    .review .role{font-size:13px;color:#7a8698}
    .article-grid{grid-template-columns:repeat(3,1fr)}
    .article{padding:20px}
    .article .meta{font-size:13px;color:#7a8698;margin-bottom:10px}
    .help-grid{grid-template-columns:1fr 1fr}
    .help{padding:22px}
    .help .mini{display:grid;gap:12px;margin-top:14px}
    .mini .row{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:16px;background:#faf7f1;border:1px solid #ece4d7}
    .faq-grid{grid-template-columns:1fr 1fr}
    .faq-item{border:1px solid #e7dfd1;border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;background:transparent;border:0;padding:18px 18px;font-size:15px;font-weight:700;color:#1f2a37;text-align:left;display:flex;justify-content:space-between;gap:14px;cursor:pointer}
    .faq-a{display:none;padding:0 18px 18px;color:var(--muted);line-height:1.75}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .faq-q{color:#b94e0a}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#334155}
    input,select,textarea{
      width:100%;border:1px solid #dfe5dd;border-radius:14px;padding:13px 14px;background:#fff;color:#1f2a37;
      font:inherit;outline:none;transition:border-color .2s, box-shadow .2s;
    }
    input:focus,select:focus,textarea:focus{border-color:#ef7d39;box-shadow:0 0 0 4px rgba(239,125,57,.12)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:18px;background:#15202f;color:#e8eef7;padding:28px 0 22px;
    }
    .footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;align-items:start}
    .footer .muted{color:#bfd0e3;line-height:1.8}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08)}
    .bottom{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#c9d6e4;font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px;
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;background:#fff;border:1px solid #e5dccd;box-shadow:var(--shadow);
      display:flex;align-items:center;justify-content:center;font-weight:800;color:#243042;
    }
    .float-btn.primary{background:linear-gradient(135deg,var(--brand),#ff9f5b);color:#fff;border-color:transparent}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.in{opacity:1;transform:none}
    .hover-lift{transition:transform .2s ease, box-shadow .2s ease}
    .hover-lift:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(31,42,55,.09)}
    .mobile-only{display:none}
    .desktop-only{display:block}
    @media (max-width: 980px){
      .hero-grid,.about,.service-grid,.process,.compare-wrap,.case-grid,.review-grid,.article-grid,.help-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:76px;background:#fff;padding:14px;border-radius:20px;box-shadow:var(--shadow);border:1px solid #eadfcc;flex-wrap:wrap}
      .stat-grid{grid-template-columns:repeat(2,1fr)}
      .form-grid{grid-template-columns:1fr}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-card{padding:22px;border-radius:24px}
      h1{font-size:30px}
      .section-head{align-items:flex-start;flex-direction:column}
      .stat-grid{grid-template-columns:1fr}
      .gallery{grid-template-columns:1fr}
      .nav{min-height:70px}
    }