:root{
      --bg:#f6f7fb;
      --bg2:#eef4ff;
      --card:#ffffff;
      --card2:#fbfcff;
      --line:#dbe3f2;
      --text:#162033;
      --muted:#51607a;
      --accent:#4b6bff;
      --accent2:#8b5cf6;
      --accent3:#16b8a6;
      --warm:#ff8a5b;
      --shadow:0 18px 50px rgba(23, 38, 82, .10);
      --shadow2:0 10px 28px rgba(23, 38, 82, .08);
      --radius:24px;
      --radius2:16px;
      --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(75,107,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(139,92,246,.12), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 22%, #f8fbff 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(219,227,242,.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;border-radius:12px;background:#fff;box-shadow:var(--shadow2)}
    .brand strong{font-size:1.05rem;letter-spacing:.4px}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{
      display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a{
      color:#30405d;font-size:.95rem;padding:8px 10px;border-radius:999px;transition:.25s ease;
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:#edf2ff;color:#20316c;outline:none}
    .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:999px;
      padding:12px 18px;font-weight:700;transition:.25s ease;cursor:pointer;
      box-shadow:none;line-height:1.1;
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 12px 24px rgba(75,107,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(75,107,255,.28)}
    .btn-ghost{background:#fff;color:#23324d;border-color:var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#b9c7ea}
    .menu-toggle{
      display:none;background:#fff;border:1px solid var(--line);color:#23324d;
      border-radius:12px;padding:10px 12px;font-size:1rem;
    }

    .hero{
      padding:34px 0 20px;
      position:relative;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:26px;align-items:stretch;
    }
    .hero-card{
      position:relative;overflow:hidden;background:
        linear-gradient(135deg, rgba(75,107,255,.08), rgba(139,92,246,.08) 46%, rgba(22,184,166,.06)),
        rgba(255,255,255,.96);
      border:1px solid rgba(219,227,242,.9);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-card::before{
      content:"";position:absolute;inset:auto -10% -30% auto;width:280px;height:280px;border-radius:50%;
      background:radial-gradient(circle, rgba(75,107,255,.16), transparent 64%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;
      background:#edf3ff;color:#32457c;font-size:.88rem;font-weight:700;
    }
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:1.03rem;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
    .point{
      background:rgba(255,255,255,.9);border:1px solid rgba(219,227,242,.95);border-radius:18px;
      padding:14px 16px;
    }
    .point b{display:block;font-size:1rem;margin-bottom:2px}
    .point span{color:var(--muted);font-size:.92rem}
    .hero-side{
      display:grid;gap:16px
    }
    .panel{
      background:rgba(255,255,255,.96);border:1px solid rgba(219,227,242,.9);border-radius:26px;
      box-shadow:var(--shadow2);padding:20px;
    }
    .panel h2,.section h2{margin:0 0 14px;font-size:1.45rem;line-height:1.2}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line);border-radius:18px;padding:16px;
    }
    .stat strong{display:block;font-size:1.3rem}
    .stat span{color:var(--muted);font-size:.9rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:#f2f5ff;border:1px solid #dde6ff;color:#2d406f;font-size:.9rem
    }
    .section{padding:28px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);max-width:66ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{
      background:var(--card);border:1px solid rgba(219,227,242,.95);border-radius:24px;box-shadow:var(--shadow2);
      padding:22px;transition:.28s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(23,38,82,.11)}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted)}
    .list{margin:0;padding-left:18px}
    .pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#edf7f5;color:#0d7165;font-size:.84rem;font-weight:700;margin-bottom:12px}
    .accent-pills{display:flex;flex-wrap:wrap;gap:10px}
    .accent-pills span{background:#f0f4ff;border:1px solid #dbe4ff;color:#31457f;padding:8px 11px;border-radius:999px;font-size:.88rem}
    .steps{counter-reset:step}
    .step{
      position:relative;padding-left:58px
    }
    .step::before{
      counter-increment:step;content:counter(step);
      position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800
    }
    .compare-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:900px}
    th,td{padding:16px 14px;border-bottom:1px solid #e7edf8;text-align:left;vertical-align:top}
    th{background:#f4f7ff;font-size:.95rem}
    tr:hover td{background:#fbfcff}
    .score-box{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px
    }
    .score{
      background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:18px;padding:16px
    }
    .score strong{display:block;font-size:1.6rem;color:#24355f}
    .score span{color:var(--muted);font-size:.88rem}
    .reviews,.faq,.articles,.timeline{display:grid;gap:14px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow2);padding:0 18px
    }
    summary{
      list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:#20304e;display:flex;justify-content:space-between;gap:16px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";color:var(--accent);font-size:1.2rem}
    details[open] summary::after{content:"–"}
    details p{margin:0 0 18px;color:var(--muted)}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
    .stars{color:#f59e0b;font-size:1rem;letter-spacing:1px}
    .review-card{padding:18px}
    .quote{color:#30415f}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article{
      background:linear-gradient(180deg,#fff,#f8faff);border:1px solid var(--line);border-radius:20px;padding:18px
    }
    .article small{color:var(--accent);font-weight:700}
    .article a{display:block;margin-top:8px;font-weight:700;color:#1f2f56}
    .contact-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    label{display:block;font-size:.93rem;font-weight:700;margin-bottom:6px;color:#2a3958}
    input,select,textarea{
      width:100%;border:1px solid #d9e2f1;border-radius:14px;background:#fff;
      padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#86a0ff;box-shadow:0 0 0 4px rgba(75,107,255,.1)}
    textarea{min-height:120px;resize:vertical}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .full{grid-column:1/-1}
    .footer{
      margin-top:18px;padding:22px 0 28px;border-top:1px solid rgba(219,227,242,.9);
      background:linear-gradient(180deg,#f8fbff,#eef3fb);
      color:#23324d;
    }
    .footer-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .footer a{color:#203772}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .small{font-size:.92rem;color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:900;
      box-shadow:0 12px 24px rgba(75,107,255,.25)
    }
    .float-panel{
      display:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;width:220px;box-shadow:var(--shadow)
    }
    .floating:hover .float-panel,.floating:focus-within .float-panel{display:block}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .mobile-only{display:none}
    .hero-visual{
      display:grid;gap:12px
    }
    .fake-meter{
      display:grid;gap:10px
    }
    .meter-row{display:flex;justify-content:space-between;gap:10px;font-size:.92rem;color:#42526f}
    .meter-bar{height:10px;background:#edf1fb;border-radius:999px;overflow:hidden}
    .meter-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent3))}
    .service-map{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px
    }
    .map-item{
      padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line);text-align:center;color:#314366
    }
    .img-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .img-row img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow2);width:100%;height:auto}
    @media (max-width: 1024px){
      .hero-grid,.contact-grid,.footer-grid,.grid-3,.article-list,.service-map{grid-template-columns:1fr 1fr}
      .hero-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .nav-links{
        display:flex;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);
        border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;z-index:80
      }
      .nav{position:relative}
      .nav-cta .btn-ghost{display:none}
    }
    @media (max-width: 720px){
      .grid-3,.grid-2,.score-box,.form-grid,.mini-grid,.hero-points,.service-map,.article-list,.contact-grid,.footer-grid,.img-row{grid-template-columns:1fr}
      .hero-card,.panel,.card{padding:18px;border-radius:20px}
      .hero{padding-top:20px}
      .section{padding:22px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      .menu-toggle{display:inline-flex}
    }