:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f4f7ff;
      --line:#dfe7f3;
      --text:#1f2a3a;
      --muted:#5d6b82;
      --brand:#3a66ff;
      --brand-2:#ff6b7a;
      --brand-3:#20c997;
      --shadow:0 18px 45px rgba(35,58,120,.10);
      --shadow-sm:0 10px 22px rgba(35,58,120,.08);
      --radius:20px;
      --container: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(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(58,102,255,.10), transparent 32%),
        radial-gradient(circle at 90% 8%, rgba(255,107,122,.10), transparent 30%),
        linear-gradient(180deg,#f9fbff 0%, #f4f7fc 38%, #eef3fb 100%);
    }
    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:30;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(246,248,252,.82);
      border-bottom:1px solid rgba(223,231,243,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .navlinks{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .navlinks a{
      padding:9px 12px;border-radius:999px;color:var(--text);font-size:14px;
      transition:.2s ease;background:transparent;
    }
    .navlinks a:hover,.navlinks a.active{background:rgba(58,102,255,.10);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:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow:var(--shadow-sm);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#7a7dff);color:#fff}
    .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
    .menu-toggle{display:none}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-card{
      background:linear-gradient(135deg, rgba(58,102,255,.96), rgba(26,186,255,.94) 52%, rgba(255,107,122,.88));
      color:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden;
      min-height:420px;
    }
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.10);filter:blur(2px)
    }
    .hero-card:before{width:220px;height:220px;right:-70px;top:-60px}
    .hero-card:after{width:160px;height:160px;left:-40px;bottom:-50px}
    .hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);padding:8px 12px;border-radius:999px;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.03em}
    .hero-desc{font-size:16px;line-height:1.8;max-width:58ch;color:rgba(255,255,255,.92)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-actions .btn-primary{background:#fff;color:#1c2b44}
    .hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .metric{
      background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);
      border-radius:18px;padding:16px
    }
    .metric strong{display:block;font-size:26px}
    .metric span{display:block;font-size:13px;color:rgba(255,255,255,.86);margin-top:6px;line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .side-card,.section-card{
      background:rgba(255,255,255,.88);border:1px solid rgba(223,231,243,.9);border-radius:24px;box-shadow:var(--shadow-sm)
    }
    .side-card{padding:22px}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .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}
    .card{
      background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;padding:20px;
      box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .pill{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:#eef4ff;color:var(--brand);font-size:12px;font-weight:700}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#324159;font-size:13px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step-num{width:72px;height:72px;border-radius:18px;display:grid;place-items:center;font-size:22px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),#7a7dff)}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf2f8;text-align:left;vertical-align:top}
    th{background:#f7faff;font-size:14px;color:#24324b}
    td{color:var(--muted);line-height:1.75}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;color:var(--text)}
    .faq p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .review{display:flex;flex-direction:column;gap:12px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .stars{color:#ffb400;letter-spacing:2px;font-size:18px}
    .form{
      display:grid;gap:14px
    }
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(58,102,255,.5);box-shadow:0 0 0 4px rgba(58,102,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:14px;padding:24px 0 30px;border-top:1px solid rgba(223,231,243,.9);
      background:#f5f8fd;color:var(--text)
    }
    .footer a{color:var(--brand)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px;align-items:start}
    .mini{color:var(--muted);line-height:1.8;font-size:14px}
    .article-list{display:grid;gap:10px}
    .article-list a{
      display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)
    }
    .article-list span{color:var(--muted);font-size:13px}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-2),#ff8b3d);
      color:#fff;box-shadow:var(--shadow);border:0;cursor:pointer
    }
    .float-panel{
      position:fixed;right:18px;bottom:82px;z-index:39;width:min(340px,calc(100vw - 36px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .float-panel.open{display:block}
    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .qr{display:grid;gap:10px;justify-items:center;text-align:center}
    .qr img{width:100%;max-width:140px;border-radius:14px;border:1px solid var(--line)}
    .anchor-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
    .anchor-grid a{padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);text-align:center;font-size:13px}
    .compare-card{background:linear-gradient(135deg,#fff,#f7faff);border:1px solid var(--line);border-radius:24px;padding:20px}
    .rating{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .rating strong{font-size:28px;color:var(--brand)}
    .badge{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:#eef8f2;color:#1c8b5f;font-weight:700;font-size:13px}
    .images-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .images-grid img,.media-block img{
      border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-sm);width:100%;height:auto
    }
    .hide-mobile{display:block}
    @media (max-width: 960px){
      .hero-grid,.footer-grid,.grid-4,.grid-3,.grid-2,.images-grid,.contact-grid,.anchor-grid{grid-template-columns:1fr 1fr}
      .hero-card{min-height:auto}
      .nav{flex-wrap:wrap}
      .navlinks{display:none;width:100%}
      .navlinks.open{display:flex;justify-content:flex-start}
      .menu-toggle{display:inline-flex}
      .hide-mobile{display:none}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 24px, var(--container))}
      .hero,.section{padding-left:0;padding-right:0}
      .hero-grid,.footer-grid,.grid-4,.grid-3,.grid-2,.images-grid,.contact-grid,.anchor-grid{grid-template-columns:1fr}
      .hero-card{padding:24px;border-radius:24px}
      .hero-metrics{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      h1{font-size:34px}
      .nav-cta{width:100%;justify-content:flex-start}
      .navlinks{width:100%}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.in{opacity:1;transform:none}