:root{
      --bg:#f7f8fb;
      --panel:#ffffff;
      --panel2:#f2f6ff;
      --line:#d9e2f1;
      --text:#152033;
      --muted:#5a6780;
      --brand:#1f67ff;
      --brand2:#12b3a8;
      --accent:#ffb23f;
      --shadow:0 18px 40px rgba(21,32,51,.08);
      --radius:20px;
      --radius2:28px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(31,103,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(18,179,168,.10), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f7f9fd 42%, #f5f7fb 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{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,226,241,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
    .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 22px rgba(31,103,255,.12)}
    .brand .t{display:flex;flex-direction:column;min-width:0}
    .brand strong{font-size:18px;line-height:1.1}
    .brand span{font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#2a3550;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(--brand2));transition:.25s}
    .menu a:hover::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 16px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#5b8cff);color:#fff;box-shadow:0 14px 26px rgba(31,103,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(31,103,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#aab9d3;transform:translateY(-1px)}
    .hamburger{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;width:44px;height:44px;align-items:center;justify-content:center}
    .hamburger span,.hamburger span::before,.hamburger span::after{display:block;width:18px;height:2px;background:#23314d;border-radius:2px;position:relative;transition:.25s}
    .hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0}
    .hamburger span::before{top:-6px}.hamburger span::after{top:6px}
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:14px 0 18px}
    .mobile-panel .menu{flex-direction:column;align-items:flex-start;gap:12px}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy{padding:8px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(31,103,255,.09);color:#1b56d9;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.03em}
    .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:58ch;margin:0 0 22px}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{background:rgba(255,255,255,.92);border:1px solid rgba(217,226,241,.9);border-radius:18px;padding:14px 14px 13px;box-shadow:0 10px 24px rgba(21,32,51,.04)}
    .mini b{display:block;font-size:18px;margin-bottom:6px}
    .mini span{color:var(--muted);font-size:13px;line-height:1.6}
    .hero-panel{background:linear-gradient(180deg,#ffffff 0%,#f6f9ff 100%);border:1px solid rgba(217,226,241,.95);border-radius:var(--radius2);padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-panel::before{content:"";position:absolute;inset:auto -10% -16% auto;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle, rgba(31,103,255,.16), transparent 68%)}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .stat strong{font-size:28px;display:block;line-height:1.05}
    .stat span{color:var(--muted);font-size:13px}
    section{padding:20px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.8}
    .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:rgba(255,255,255,.94);border:1px solid rgba(217,226,241,.95);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(21,32,51,.05);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(21,32,51,.09)}
    .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:#26334f}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative}
    .step .num{font-size:12px;font-weight:800;color:#1b56d9;background:rgba(31,103,255,.09);display:inline-flex;padding:6px 10px;border-radius:999px;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #e8eef7;text-align:left;vertical-align:top}
    th{background:#f7faff;font-size:14px}
    td{font-size:14px;color:#304058}
    .rating{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:stretch}
    .score-box{background:linear-gradient(135deg,#1f67ff 0%,#6aa7ff 100%);color:#fff;border-radius:24px;padding:24px;box-shadow:0 18px 36px rgba(31,103,255,.22)}
    .score-box strong{font-size:52px;line-height:1}
    .score-box p{margin:10px 0 0;color:rgba(255,255,255,.92);line-height:1.8}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 24px rgba(21,32,51,.04)}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq details p{color:var(--muted);line-height:1.8;margin:12px 0 0}
    .reviews{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .review small{color:#1b56d9;font-weight:700}
    .review .who{margin-top:12px;font-weight:700}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{display:block;color:#1b56d9;font-weight:700;margin-top:12px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .form-card form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .form-card .full{grid-column:1/-1}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#86aafc;box-shadow:0 0 0 4px rgba(31,103,255,.08)}
    footer{margin-top:14px;background:#0f1728;color:#d8e2f2}
    footer .container{padding:24px 0}
    footer a{color:#d8e2f2}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}
    .footer-grid p,.footer-grid li{color:#b9c6da;line-height:1.8}
    .footer-grid ul{padding:0;margin:0;list-style:none}
    .fixed-contact{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .fixed-contact a,.fixed-contact button{width:52px;height:52px;border-radius:16px;border:0;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 16px 32px rgba(21,32,51,.16);cursor:pointer}
    .fixed-contact svg{width:22px;height:22px;fill:#1f67ff}
    .backtop{position:fixed;left:18px;bottom:18px;z-index:60;opacity:0;transform:translateY(10px);transition:.25s}
    .backtop.show{opacity:1;transform:none}
    .backtop .btn{padding:11px 14px}
    .reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
    .reveal.show{opacity:1;transform:none}
    .hero-art{display:grid;gap:14px}
    .panel-note{background:linear-gradient(135deg,rgba(18,179,168,.10),rgba(31,103,255,.08));border:1px solid rgba(31,103,255,.10);border-radius:18px;padding:16px}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:68px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .timeline-item .t{font-weight:800;color:#1f67ff}
    .services-network{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .pricing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price{border:1px solid var(--line);background:#fff;border-radius:22px;padding:20px}
    .price strong{font-size:30px}
    .muted{color:var(--muted)}
    .anchor{scroll-margin-top:92px}
    .img-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .img-row img{width:100%;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
    @media (max-width: 980px){
      .hero-grid,.split,.rating,.footer-grid,.form-grid,.services-network,.pricing,.articles,.grid-4,.steps{grid-template-columns:1fr 1fr}
      .grid-3,.reviews{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 720px){
      .menu,.nav-actions{display:none}
      .hamburger{display:inline-flex}
      .mobile-panel.show{display:block}
      .hero-grid,.split,.rating,.footer-grid,.form-grid,.services-network,.pricing,.articles,.grid-4,.grid-3,.reviews,.steps,.hero-points,.stat-grid,.img-row{grid-template-columns:1fr}
      .hero{padding-top:24px}
      .section-head{flex-direction:column;align-items:flex-start}
      .fixed-contact{right:12px;bottom:12px}
      .backtop{left:12px;bottom:12px}
      h1{font-size:34px}
      .lead{font-size:16px}
      .form-card form{grid-template-columns:1fr}
    }