:root{
      --bg:#f7f4ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2130;
      --muted:#5f6477;
      --line:#e7e0f5;
      --brand:#7a3cff;
      --brand2:#b85cff;
      --brand3:#5f7cff;
      --accent:#f2e7ff;
      --shadow:0 16px 40px rgba(84, 51, 149, .10);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(122,60,255,.10), transparent 26%),
        radial-gradient(circle at top right, rgba(95,124,255,.08), transparent 24%),
        linear-gradient(180deg, #fbf9ff 0%, #f7f4ff 55%, #fefcff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(247,244,255,.78);
      border-bottom:1px solid rgba(231,224,245,.9);
    }
    .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;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(122,60,255,.12)}
    .brand h2{font-size:18px;line-height:1.1;margin:0}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--text);opacity:.88}
    .menu a:hover,.menu a:focus{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:1px solid transparent;border-radius:999px;
      padding:12px 18px;font-weight:700;font-size:14px;
      transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(122,60,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px rgba(122,60,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#d2c2f4;transform:translateY(-2px)}
    .nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
    .hero{padding:56px 0 28px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy{
      background:linear-gradient(135deg, rgba(255,255,255,.92), rgba(244,236,255,.88));
      border:1px solid rgba(231,224,245,.96);
      border-radius:30px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden;
    }
    .hero-copy::before{
      content:"";position:absolute;inset:auto -20px -60px auto;width:220px;height:220px;border-radius:50%;
      background:radial-gradient(circle, rgba(122,60,255,.18), transparent 68%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--brand);padding:8px 14px;border-radius:999px;font-weight:700;font-size:13px}
    h1{font-size:clamp(32px, 5vw, 54px);line-height:1.06;margin:16px 0 16px;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);margin:0 0 22px;max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
    .hero-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .metric{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;min-height:98px;
      box-shadow:0 10px 24px rgba(87,56,147,.06);
    }
    .metric strong{display:block;font-size:24px;color:var(--brand);margin-bottom:6px}
    .metric span{font-size:13px;color:var(--muted);line-height:1.6}
    .hero-panel{
      display:grid;gap:16px;
    }
    .panel-card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(250,246,255,.96));
      border:1px solid rgba(231,224,245,.95);border-radius:26px;padding:22px;box-shadow:var(--shadow);
    }
    .panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
    .panel-title h2,.section-title h2{margin:0;font-size:24px}
    .panel-title p{margin:0;color:var(--muted);font-size:13px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#3a3d4c}
    .floating-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .mini{
      border-radius:18px;background:#fff;border:1px solid var(--line);padding:14px;min-height:96px
    }
    .mini b{display:block;margin-bottom:6px}
    .mini small{color:var(--muted);line-height:1.6}
    section{padding:18px 0}
    .section-title{
      display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-title p{margin:0;color:var(--muted);line-height:1.7;max-width:70ch}
    .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 var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 26px rgba(87,56,147,.06);transition:.25s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(87,56,147,.11)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg, rgba(122,60,255,.14), rgba(95,124,255,.12));
      display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--brand);font-weight:800
    }
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:22px;background:#fff
    }
    .step-num{
      width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px
    }
    .step h3{margin:0 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);line-height:1.75}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #f0ebfa;vertical-align:top;font-size:14px}
    th{background:#fbf8ff;color:#2f3140}
    td{color:#42465a}
    tr:last-child td{border-bottom:none}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#f3eaff;color:var(--brand);font-size:12px;font-weight:700}
    .ratio{
      display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px
    }
    .score{
      background:linear-gradient(135deg, #fff, #f6efff);border:1px solid var(--line);border-radius:24px;padding:24px
    }
    .score .big{font-size:46px;font-weight:900;line-height:1;color:var(--brand)}
    .score small{color:var(--muted)}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 24px rgba(87,56,147,.05)
    }
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .review .role{color:var(--brand);font-weight:700;font-size:13px}
    .stars{color:#ffae34;font-size:14px;letter-spacing:2px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article-link{display:block;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.25s ease}
    .article-link:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d9c7f6}
    .article-link b{display:block;margin-bottom:8px}
    .article-link span{color:var(--muted);font-size:13px;line-height:1.7}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#303244}
    input,select,textarea{
      width:100%;border:1px solid #dcd4ee;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#b892ff;box-shadow:0 0 0 4px rgba(122,60,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      padding:28px 0 24px;margin-top:8px;border-top:1px solid rgba(231,224,245,.95);
      background:linear-gradient(180deg, rgba(247,244,255,.85), rgba(255,255,255,.96));
      color:#2c3040
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer a{color:#2f3a66}
    .footer a:hover{color:var(--brand)}
    .footer small,.footer p{color:#5f6477;line-height:1.8}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}
    .subfoot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#666}
    .fixed-service{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .bubble{
      width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand3));
      color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 30px rgba(122,60,255,.28);font-weight:900
    }
    .service-pop{
      position:fixed;right:16px;bottom:82px;z-index:59;width:min(320px, calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:16px;display:none
    }
    .service-pop.open{display:block}
    .service-pop .qr{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:center}
    .service-pop img{width:88px;height:88px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .muted{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#363b4d}
    .center{text-align:center}
    .anchor-offset{scroll-margin-top:96px}
    .mobile-menu{display:none}
    .mobile-menu.open{display:block}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.reviews,.articles,.footer-grid,.grid-2,.ratio{grid-template-columns:1fr}
      .hero-highlights{grid-template-columns:1fr 1fr}
      .menu{display:none}
      .nav-toggle{display:inline-flex}
      .mobile-menu{padding:0 0 16px}
      .mobile-menu .menu{display:grid;grid-template-columns:1fr 1fr;gap:10px;justify-content:stretch}
      .mobile-menu .menu a{background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px;text-align:center}
      .form{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .hero{padding-top:28px}
      .hero-copy,.panel-card,.card{padding:20px}
      .hero-highlights{grid-template-columns:1fr}
      .floating-grid{grid-template-columns:1fr}
      .step{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:flex-start}
      .nav{padding:12px 0}
      .brand h2{font-size:16px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}