:root{
      --bg:#f7f6f2;
      --panel:#ffffff;
      --panel-2:#fbfaf7;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#e6e1d7;
      --brand:#1f6feb;
      --brand2:#7c3aed;
      --accent:#0ea5e9;
      --warm:#f59e0b;
      --shadow:0 14px 36px rgba(31,41,55,.08);
      --shadow-sm:0 8px 18px rgba(31,41,55,.06);
      --radius:20px;
      --radius-sm:14px;
      --container:1160px;
    }
    *{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;background:
      radial-gradient(circle at top left, rgba(31,111,235,.10), transparent 28%),
      radial-gradient(circle at 88% 8%, rgba(124,58,237,.10), transparent 24%),
      linear-gradient(180deg, #fbfbfd 0%, #f7f6f2 100%);
      color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,225,215,.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;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#334155;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:rgba(31,111,235,.08);color:var(--brand)}
    .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:12px 18px;font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(31,111,235,.18)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(31,111,235,.24)}
    .btn-ghost{background:#fff;border-color:var(--line);color:#233044}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{content:"";display:block;width:18px;height:2px;background:#233044;border-radius:2px;position:relative}
    .menu-toggle span:before,.menu-toggle span:after{position:absolute;left:0}
    .menu-toggle span:before{top:-6px}.menu-toggle span:after{top:6px}
    main{padding-bottom:26px}
    section{scroll-margin-top:92px}
    .hero{padding:42px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card,.side-card,.section-card,.quote-card,.form-card{background:linear-gradient(180deg,#fff, #fcfbf8);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle, rgba(31,111,235,.12), transparent 65%)}
    .hero-card:before{width:260px;height:260px;right:-90px;top:-70px}
    .hero-card:after{width:180px;height:180px;right:80px;bottom:-90px;background:radial-gradient(circle, rgba(124,58,237,.12), transparent 68%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(31,111,235,.08);color:var(--brand);padding:8px 12px;border-radius:999px;font-weight:700;font-size:13px}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;color:var(--muted);max-width:720px;margin:0 0 22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff;color:#334155;border-radius:999px;padding:8px 12px;font-size:13px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
    .stat{background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:18px;padding:16px}
    .stat strong{display:block;font-size:26px;line-height:1.1;margin-bottom:6px}
    .stat span{font-size:13px;color:var(--muted)}
    .side-card{padding:22px}
    .side-card h2,.section-title{margin:0 0 10px;font-size:26px;line-height:1.2}
    .section-title{font-size:28px}
    .section-sub{margin:0 0 18px;color:var(--muted)}
    .stack{display:grid;gap:14px}
    .stack .panel{border:1px solid var(--line);border-radius:18px;padding:16px;background:linear-gradient(180deg,#fff,#faf8f3)}
    .panel h3{margin:0 0 8px;font-size:16px}
    .panel p{margin:0;color:var(--muted);font-size:14px}
    .section{padding:18px 0}
    .section-card{padding:28px}
    .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:linear-gradient(180deg,#fff,#fbfaf7);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow-sm);transition:.2s ease}
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3,.card h4{margin:0 0 8px}
    .card p{margin:0;color:var(--muted)}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;margin-bottom:12px;background:linear-gradient(135deg,rgba(31,111,235,.12),rgba(124,58,237,.12));color:var(--brand);font-weight:900}
    .timeline{display:grid;gap:14px;position:relative}
    .timeline .step{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .step-num{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800}
    .step p{margin:6px 0 0;color:var(--muted)}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #ece7de;text-align:left;vertical-align:top;font-size:14px}
    th{background:#faf8f3;font-size:13px;color:#334155}
    tr:last-child td{border-bottom:none}
    .rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .stars{color:#f59e0b;font-size:20px;letter-spacing:2px}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(14,165,233,.10);color:#0f766e;font-size:12px;font-weight:700}
    .quote-card{padding:18px}
    .quote-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .quote-top strong{font-size:16px}
    .quote-card p{margin:0;color:var(--muted)}
    .articles{display:grid;gap:14px}
    .article{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .article small{display:block;color:var(--muted);margin-top:4px}
    .article a{color:var(--brand);font-weight:700}
    .logo-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
    .logo-row img,.media-grid img,.qr img{border-radius:16px;border:1px solid var(--line);background:#fff}
    .media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .media-grid img{width:100%;height:auto}
    .service-network{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .tags-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tags-cloud span{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:999px;font-size:13px;color:#334155}
    .faq{display:grid;gap:12px}
    details{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
    summary::-webkit-details-marker{display:none}
    details p{margin:0;padding:0 18px 16px;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#334155}
    input,select,textarea{width:100%;border:1px solid #d9d5cc;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:rgba(31,111,235,.5);box-shadow:0 0 0 4px rgba(31,111,235,.08)}
    textarea{min-height:118px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{background:#fff;border-top:1px solid var(--line);margin-top:18px}
    .footer-inner{padding:26px 0 24px;display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .footer a{color:#1d4ed8}
    .copyright{border-top:1px solid var(--line);padding-top:16px;margin-top:14px;color:#64748b;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(31,111,235,.22);border:none;cursor:pointer}
    .float-link{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s ease}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .mobile-panel{display:none}
    .grid-2 .card ul,.card ul{margin:10px 0 0;padding-left:18px;color:var(--muted)}
    .sticky-note{border-left:4px solid var(--brand);padding-left:12px;color:#334155}
    .wide-images{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .wide-images img{width:100%;border-radius:18px;border:1px solid var(--line)}
    .service-bullets{display:grid;gap:10px}
    .service-bullets div{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .service-bullets i{font-style:normal;color:var(--brand);font-weight:900}
    @media (max-width: 1100px){
      .hero-grid,.service-network,.footer-inner{grid-template-columns:1fr}
      .grid-4{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 860px){
      .nav-links,.nav-actions{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .mobile-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
      .mobile-links a{background:#fff;border:1px solid var(--line);padding:12px 14px;border-radius:14px;text-align:center}
      .grid-3,.grid-2,.hero-stats,.form-grid,.media-grid,.wide-images,.grid-4{grid-template-columns:1fr}
      .hero-card,.side-card,.section-card{padding:22px}
      h1{font-size:clamp(28px,8vw,42px)}
      .article{align-items:flex-start;flex-direction:column}
    }