:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#f3f6ff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#e6eaf2;
      --brand:#2f6bff;
      --brand-2:#7b61ff;
      --accent:#ff7a59;
      --accent-2:#16c7b3;
      --shadow:0 16px 40px rgba(31,41,55,.08);
      --shadow-soft:0 10px 24px rgba(47,107,255,.12);
      --radius:18px;
      --radius-lg:26px;
      --max:1200px;
    }
    *{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(47,107,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(123,97,255,.10), transparent 24%),
        linear-gradient(180deg, #f9fbff 0%, #f4f7fb 42%, #f7f8fc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px));margin:0 auto}
    header,main,footer{position:relative;z-index:1}
    .topbar{
      position:sticky;top:0;backdrop-filter:saturate(180%) blur(14px);
      background:rgba(249,251,255,.84);border-bottom:1px solid rgba(230,234,242,.75);
      z-index:20;
    }
    .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 .logo-wrap{
      width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
      display:grid;place-items:center;box-shadow:var(--shadow-soft);overflow:hidden;flex:0 0 auto;
    }
    .brand .logo-wrap img{width:100%;height:100%;object-fit:contain;padding:6px}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#314057;padding:8px 0;position:relative}
    .menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.25s}
    .menu a:hover::after,.menu a.active::after{width:100%}
    .nav-actions{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:11px 18px;font-weight:700;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
      cursor:pointer;white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-soft)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .hero{
      padding:34px 0 16px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.35fr .92fr;gap:22px;align-items:stretch;
    }
    .hero-card{
      background:
        linear-gradient(135deg, rgba(47,107,255,.12), rgba(123,97,255,.10) 50%, rgba(22,199,179,.10)),
        rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.75);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;position:relative;
    }
    .hero-card::before,.hero-card::after{
      content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.24);filter:blur(10px);
    }
    .hero-card::before{width:180px;height:180px;right:-50px;top:-40px}
    .hero-card::after{width:120px;height:120px;right:120px;bottom:-30px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(47,107,255,.09);color:#214fd6;
      font-size:13px;font-weight:700;
    }
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.06;letter-spacing:-.03em}
    .hero p{margin:0;color:#445065;font-size:16px;line-height:1.8;max-width:56ch}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{
      background:rgba(255,255,255,.84);border:1px solid rgba(230,234,242,.95);border-radius:16px;padding:14px 14px 13px;
    }
    .mini b{display:block;font-size:15px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted);line-height:1.55}
    .hero-side{
      display:grid;gap:14px;
    }
    .side-panel{
      background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;
    }
    .side-panel h3{margin:0 0 10px;font-size:18px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{
      background:linear-gradient(180deg,#fff, #f7faff);border:1px solid var(--line);border-radius:18px;padding:16px;
    }
    .metric strong{display:block;font-size:24px;line-height:1;color:var(--brand)}
    .metric span{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.5}
    section{padding:18px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px;
    }
    .section-head h2{margin:0;font-size:clamp(22px,2.4vw,34px)}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:62ch}
    .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:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:0 10px 24px rgba(31,41,55,.06);padding:20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.78}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:#334155;font-size:13px;box-shadow:0 8px 18px rgba(31,41,55,.04)
    }
    .services .card .pill{
      display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(47,107,255,.08);color:#214fd6;font-size:12px;font-weight:700;margin-bottom:12px
    }
    .steps{counter-reset:step}
    .step{
      position:relative;padding-left:18px
    }
    .step::before{
      counter-increment:step;content:counter(step);
      position:absolute;left:0;top:2px;width:26px;height:26px;border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800
    }
    .compare{
      overflow:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff
    }
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f7f9ff;font-size:14px}
    td{color:#334155;font-size:14px;line-height:1.65}
    .rating{color:#e07000;font-weight:800}
    .panel-soft{
      background:linear-gradient(180deg, rgba(47,107,255,.06), rgba(123,97,255,.04));
      border:1px solid rgba(47,107,255,.12);
      border-radius:var(--radius-lg);
      padding:20px;
    }
    .list-clean{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .list-clean li{display:flex;gap:10px;align-items:flex-start;color:#334155;line-height:1.7}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--accent))}
    .gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .gallery .imgcard{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)
    }
    .gallery img{border-radius:14px;width:100%;height:auto}
    .testimonial{
      display:grid;gap:10px
    }
    .quote{font-size:15px;line-height:1.75;color:#334155}
    .author{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px;box-shadow:0 8px 18px rgba(31,41,55,.04)
    }
    .faq details+details{margin-top:12px}
    .faq summary{
      list-style:none;cursor:pointer;padding:16px 0;font-weight:700;color:#243146;display:flex;align-items:center;justify-content:space-between;gap:12px
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary::after{content:"+";font-size:20px;color:var(--brand);transition:transform .2s ease}
    .faq details[open] summary::after{content:"–"}
    .faq .answer{padding:0 0 16px;color:var(--muted);line-height:1.78}
    .form-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:16px}
    form{
      display:grid;gap:12px
    }
    .field{display:grid;gap:6px}
    label{font-size:13px;color:#334155;font-weight:700}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;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(47,107,255,.5);box-shadow:0 0 0 4px rgba(47,107,255,.10)}
    textarea{min-height:118px;resize:vertical}
    .footer{
      margin-top:8px;padding:22px 0 30px;background:#eff3fb;border-top:1px solid #dde4f0;color:#243146
    }
    .footer a{color:#1f4fd0}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px;align-items:start}
    .footer small,.footer p{color:#526074;line-height:1.75}
    .footer h3{margin:0 0 10px;font-size:16px}
    .link-row{display:flex;flex-wrap:wrap;gap:10px}
    .link-row a{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:999px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:30;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;border:none;display:grid;place-items:center;
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--shadow-soft);cursor:pointer
    }
    .float-link{
      display:grid;place-items:center;width:52px;height:52px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);font-weight:800;color:var(--brand)
    }
    .mobile-menu{display:none}
    .section-anchor{scroll-margin-top:92px}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    .service-network{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .network-item{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 14px 12px
    }
    .network-item strong{display:block;margin-bottom:6px}
    .network-item span{color:var(--muted);font-size:13px;line-height:1.6}
    @media (max-width: 1024px){
      .hero-grid,.form-wrap,.footer-grid,.grid-3,.gallery,.service-network{grid-template-columns:1fr 1fr}
      .grid-2{grid-template-columns:1fr}
      .hero{padding-top:22px}
    }
    @media (max-width: 780px){
      .menu,.nav-actions .btn-ghost{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-menu{
        display:none;padding:0 0 16px
      }
      .mobile-menu.open{display:block}
      .mobile-menu .wrap{
        display:grid;gap:10px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px
      }
      .mobile-menu a{padding:10px 8px;border-radius:12px;background:#f8fbff}
      .hero-grid,.hero-points,.metric-grid,.grid-3,.gallery,.form-wrap,.footer-grid,.service-network{grid-template-columns:1fr}
      .hero-card{padding:22px}
      .section-head{align-items:flex-start;flex-direction:column}
      .floating{right:12px;bottom:12px}
    }