:root{
      --bg:#f6f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --card2:#f9fbff;
      --text:#102033;
      --muted:#5b6b82;
      --line:#dfe7f2;
      --primary:#4a6cff;
      --primary2:#8b5cf6;
      --accent:#14b8a6;
      --warn:#f59e0b;
      --shadow:0 18px 50px rgba(35,63,126,.12);
      --shadow2:0 10px 28px rgba(20,36,74,.08);
      --radius:20px;
      --radius2:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(74,108,255,.10), transparent 24%),
        radial-gradient(circle at 90% 18%, rgba(20,184,166,.10), transparent 22%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 48%, #f7f9fe 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(140%) blur(14px);
      background:rgba(246,248,252,.78);
      border-bottom:1px solid rgba(223,231,242,.7);
    }
    .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:44px;height:44px;object-fit:contain}
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    .menu{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;align-items:center}
    .menu a{
      padding:9px 12px;border-radius:999px;font-size:14px;color:var(--text);
      border:1px solid transparent;transition:.25s ease;
    }
    .menu a:hover,.menu a.active{background:#fff;border-color:var(--line);box-shadow:var(--shadow2)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap;
    }
    .btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 14px 28px rgba(74,108,255,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(74,108,255,.32)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px)}
    .hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
    .hamburger span,.hamburger span:before,.hamburger span:after{content:"";display:block;width:18px;height:2px;background:#1e2a3c;border-radius:2px;position:relative}
    .hamburger span:before{position:absolute;top:-6px}
    .hamburger span:after{position:absolute;top:6px}
    .hero{padding:46px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-copy{
      position:relative;overflow:hidden;background:
      linear-gradient(135deg, rgba(74,108,255,.12), rgba(139,92,246,.10) 52%, rgba(20,184,166,.12));
      border:1px solid rgba(125,152,225,.28);border-radius:28px;padding:28px;box-shadow:var(--shadow)
    }
    .hero-copy:before,.hero-copy:after{
      content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none
    }
    .hero-copy:before{width:220px;height:220px;background:rgba(74,108,255,.18);right:-70px;top:-70px}
    .hero-copy:after{width:180px;height:180px;background:rgba(20,184,166,.14);right:80px;bottom:-60px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(223,231,242,.9);font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(32px,4vw,56px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;max-width:58ch;color:var(--muted);font-size:16px;line-height:1.85}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 0}
    .point{background:rgba(255,255,255,.78);border:1px solid rgba(223,231,242,.9);border-radius:18px;padding:14px}
    .point strong{display:block;font-size:15px;margin-bottom:6px}
    .point span{color:var(--muted);font-size:13px;line-height:1.6}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .home-link{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700}
    .hero-aside{display:grid;gap:14px}
    .glass{
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(246,249,255,.95));
      border:1px solid rgba(223,231,242,.95);border-radius:24px;padding:20px;box-shadow:var(--shadow2)
    }
    .stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line)}
    .stat b{display:block;font-size:24px;margin-bottom:6px}
    .stat small{color:var(--muted)}
    .section{padding:18px 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;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(249,251,255,.98));
      border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow2);
      transition:.25s ease;overflow:hidden
    }
    .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}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#314057}
    .steps{counter-reset:step}
    .step{position:relative;padding-top:42px}
    .step:before{
      counter-increment:step;content:counter(step,decimal-leading-zero);
      position:absolute;top:0;left:0;width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent))
    }
    .compare{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:860px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f3f7ff;font-size:14px}
    tr:hover td{background:#fafcff}
    .rating{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .stars{color:#f59e0b;font-size:22px;letter-spacing:2px}
    .rating-card{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
    .score{font-size:42px;font-weight:900;line-height:1}
    .panel{
      border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow2);overflow:hidden
    }
    .accordion{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 16px;box-shadow:var(--shadow2)
    }
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted);line-height:1.75}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{display:flex;flex-direction:column;gap:10px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}
    .chips{display:flex;flex-wrap:wrap;gap:8px}
    .chip{padding:7px 10px;border-radius:999px;background:#eff4ff;border:1px solid #d7e3ff;font-size:12px;color:#28406c}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{display:inline-block;margin-top:10px;color:var(--primary);font-weight:700}
    .form-wrap{display:grid;grid-template-columns:1fr .8fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);
      background:#fff;color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#97adff;box-shadow:0 0 0 4px rgba(74,108,255,.12)}
    textarea{min-height:120px;resize:vertical}
    .contact-box{display:grid;gap:12px}
    .qrcode{width:180px;border-radius:18px;border:1px solid var(--line);padding:10px;background:#fff}
    .footer{
      margin-top:18px;padding:26px 0 30px;border-top:1px solid rgba(223,231,242,.9);
      background:linear-gradient(180deg, rgba(246,248,252,.88), rgba(241,245,255,.98));
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}
    .footer h3,.footer p,.footer a,.footer li{color:#22314a}
    .footer ul{padding:0;margin:0;list-style:none;display:grid;gap:8px}
    .footer small{color:#5e6f88}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px
    }
    .float-btn{
      width:54px;height:54px;border-radius:18px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;
      box-shadow:0 14px 28px rgba(74,108,255,.28);border:none;cursor:pointer
    }
    .service{
      position:fixed;right:18px;bottom:84px;z-index:50;display:none;max-width:320px;
      background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow)
    }
    .service.open{display:block}
    .service img{width:100%;border-radius:14px;margin-top:10px}
    .service .small{font-size:13px;color:var(--muted);line-height:1.7}
    .scroll-top{opacity:0;transform:translateY(8px);pointer-events:none;transition:.25s ease}
    .scroll-top.show{opacity:1;transform:none;pointer-events:auto}
    .timeline{display:grid;gap:12px}
    .timeline .item{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline .date{font-weight:800;color:var(--primary)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .muted{color:var(--muted)}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.form-wrap,.footer-grid,.reviews,.articles,.grid-4,.grid-3,.two-col{grid-template-columns:1fr}
      .menu{display:none}
      .hamburger{display:inline-flex}
      .menu.open{
        display:flex;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:#fff;border:1px solid var(--line);
        border-radius:18px;box-shadow:var(--shadow);z-index:45
      }
      .nav{position:relative}
      .hero-points{grid-template-columns:1fr}
      .mobile-only{display:block}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-copy,.glass,.card{padding:18px}
      .section-head{align-items:flex-start;flex-direction:column}
      h1{font-size:30px}
      .stats{grid-template-columns:1fr 1fr}
      .timeline .item{grid-template-columns:1fr}
      .floating{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}