:root{
      --bg:#f5f7ff;
      --bg2:#fff8ef;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5f6b7a;
      --line:#e6eaf2;
      --brand:#2f6bff;
      --brand2:#8f5bff;
      --accent:#ff8a3d;
      --shadow:0 18px 45px rgba(28, 46, 84, .10);
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Microsoft YaHei", "Segoe UI", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(47,107,255,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(255,138,61,.11), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, #fff 20%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--max));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(245,247,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,234,242,.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}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#324153;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:#eef3ff;color:#1740b8}
    .nav-cta{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;transition:.25s;cursor:pointer;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(47,107,255,.22)}
    .btn-secondary{background:#fff;border-color:#dbe4ff;color:#1c3c9a}
    .btn:hover{transform:translateY(-1px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:12px}
    .menu-toggle span{display:block;width:18px;height:2px;background:#2f3b4b;margin:4px auto;border-radius:2px}
    .hero{padding:42px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-card{background:linear-gradient(135deg, rgba(47,107,255,.11), rgba(143,91,255,.08) 55%, rgba(255,138,61,.08));border:1px solid rgba(204,214,255,.8);border-radius:28px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero-card:before{width:240px;height:240px;background:rgba(47,107,255,.12);right:-70px;top:-50px}
    .hero-card:after{width:180px;height:180px;background:rgba(255,138,61,.12);left:-60px;bottom:-50px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#fff;border:1px solid rgba(224,232,255,.9);border-radius:999px;color:#3156d9;font-weight:700;font-size:13px}
    h1{font-size:clamp(32px,4vw,54px);line-height:1.06;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .point{background:rgba(255,255,255,.8);border:1px solid rgba(226,233,246,.95);border-radius:18px;padding:16px}
    .point strong{display:block;font-size:22px}
    .point span{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.5}
    .hero-side{display:grid;gap:14px}
    .info-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
    .info-panel h2,.section-title{margin:0 0 10px;font-size:28px;line-height:1.2}
    .section{padding:18px 0 8px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .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:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(28,46,84,.06);transition:.25s}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(28,46,84,.10)}
    .metric{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
    .metric strong{font-size:30px}
    .metric span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:6px}
    .pill{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:#eef4ff;color:#224fd4;font-size:12px;font-weight:700}
    .service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service-item{padding:20px;border-radius:22px;background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line)}
    .service-item h3{margin:10px 0 8px;font-size:18px}
    .service-item p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#2d3f5a;font-size:13px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f8faff;font-size:14px}
    td{font-size:14px;color:#334155;line-height:1.65}
    .highlight{background:#f0f6ff}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:20px 18px 18px 18px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .step .num{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:16px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .case{padding:20px;border-radius:22px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfcff)}
    .case h3{margin:0 0 10px;font-size:18px}
    .case ul{margin:0;padding-left:18px;color:#425064;line-height:1.8}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .stars{color:#ff9a2f;letter-spacing:2px;font-size:16px}
    .review p{margin:0;color:#38465c;line-height:1.8;font-size:14px}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 22px rgba(28,46,84,.04)}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:10px 0 0;color:var(--muted);line-height:1.8}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:18px;border-radius:20px;border:1px solid var(--line);background:#fff}
    .article a{display:block;font-weight:700;margin-bottom:10px}
    .article p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    input,select,textarea{
      width:100%;border:1px solid #dbe2ef;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:#7b9dff;box-shadow:0 0 0 4px rgba(47,107,255,.10)}
    textarea{min-height:130px;resize:vertical}
    .footer{margin-top:18px;padding:22px 0 28px;border-top:1px solid var(--line);background:#f7f9ff;color:#243147}
    .footer a{color:#1d4ed8}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .footer small,.footer p{color:#576578;line-height:1.8}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:none;border-radius:999px;padding:12px 16px;box-shadow:var(--shadow);font-weight:700}
    .float-card{display:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);width:220px}
    .float-card img{width:100%;border-radius:14px}
    .floating.open .float-card{display:block}
    .fade-up{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-up.visible{opacity:1;transform:none}
    .mobile-only{display:none}
    .subtle{color:var(--muted)}
    .rating-box{display:grid;gap:10px}
    .score{font-size:42px;font-weight:900;line-height:1}
    @media (max-width: 960px){
      .hero-grid,.grid-3,.service-list,.grid-2,.timeline,.case-grid,.review-grid,.article-list,.contact-wrap,.footer-grid{grid-template-columns:1fr}
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .mobile-only{display:block}
      .hero-points{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
    }
    .mobile-menu{display:none;padding:0 0 14px}
    .mobile-menu.open{display:block}
    .mobile-menu a{display:block;padding:12px 0;border-top:1px solid rgba(230,234,242,.8);color:#223046}
    .toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
    .mini{font-size:12px;color:var(--muted)}