:root{
      --bg:#f5f8fc;
      --panel:#ffffff;
      --panel2:#f9fbff;
      --text:#122033;
      --muted:#5c6b80;
      --line:#dce5f2;
      --brand:#0f62fe;
      --brand2:#14b8a6;
      --brand3:#ff8a00;
      --shadow:0 18px 50px rgba(18,32,51,.08);
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{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;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(15,98,254,.10), transparent 25%),
        radial-gradient(circle at 88% 10%, rgba(20,184,166,.10), transparent 26%),
        linear-gradient(180deg,#fbfdff 0%, #f5f8fc 44%, #f7fbff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(140%) blur(12px);
      background:rgba(251,253,255,.82);
      border-bottom:1px solid rgba(220,229,242,.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 .name{font-weight:800;letter-spacing:.3px}
    .brand .sub{font-size:12px;color:var(--muted);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:var(--text);opacity:.84}
    .nav-links a:hover,.nav-links a:focus{color:var(--brand)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .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;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#3b82f6);color:#fff;box-shadow:0 12px 26px rgba(15,98,254,.22)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(15,98,254,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#b9c7da;transform:translateY(-1px)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(249,251,255,.98));
      border:1px solid rgba(220,229,242,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(15,98,254,.08);color:#1451d8;font-weight:700;font-size:13px;
    }
    h1{font-size:clamp(30px,4vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{font-size:16px;line-height:1.85;color:var(--muted);margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-mini{
      margin-top:22px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px
    }
    .mini{
      background:linear-gradient(180deg,#f9fbff,#ffffff);
      border:1px solid var(--line);border-radius:16px;padding:14px;
    }
    .mini strong{display:block;font-size:18px;margin-bottom:4px}
    .mini span{font-size:13px;color:var(--muted)}
    .hero-side{padding:22px;display:flex;flex-direction:column;gap:14px}
    .side-top{
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(15,98,254,.08), rgba(20,184,166,.10));
      border:1px solid rgba(15,98,254,.10)
    }
    .side-top h2{margin:0 0 8px;font-size:18px}
    .side-top ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.9}
    .badge-row{display:flex;flex-wrap:wrap;gap:8px}
    .tag{
      padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);
      font-size:12px;color:#31415d
    }
    section{padding:18px 0}
    .section-card{padding:24px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .card{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;
      transition:.22s ease;box-shadow:0 8px 22px rgba(18,32,51,.04)
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(18,32,51,.08)}
    .metric .num{font-size:28px;font-weight:800;color:var(--brand)}
    .metric .txt{color:var(--muted);margin-top:6px;line-height:1.7}
    .service h3,.case h3,.review h3,.article h3{margin:0 0 8px;font-size:18px}
    .service p,.case p,.review p,.article p{margin:0;color:var(--muted);line-height:1.8}
    .flow{counter-reset:step}
    .flow .card{position:relative;padding-top:22px}
    .flow .card::before{
      counter-increment:step;content:counter(step, decimal-leading-zero);
      position:absolute;right:16px;top:14px;font-weight:800;color:rgba(15,98,254,.16);font-size:28px
    }
    .flow .step-title{font-weight:800;margin-bottom:8px}
    .compare-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 var(--line);text-align:left;vertical-align:top}
    th{background:#f8fbff;font-size:14px}
    td{color:var(--muted);line-height:1.75}
    .score{
      display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:16px
    }
    .score .star{font-size:22px;color:#f59e0b;font-weight:800}
    .score .rating{font-size:18px;font-weight:800}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .timeline-item .date{font-weight:800;color:var(--brand)}
    .faq details{
      border:1px solid var(--line);border-radius:16px;background:#fff;padding:0;overflow:hidden
    }
    .faq summary{
      list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:16px
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding:0 18px 16px;color:var(--muted);line-height:1.8}
    .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-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8bb1ff;box-shadow:0 0 0 4px rgba(15,98,254,.10)}
    textarea{min-height:128px;resize:vertical}
    .form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    .articles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article ul{margin:10px 0 0;padding-left:18px;color:var(--muted);line-height:1.8}
    .footer{
      margin-top:10px;padding:22px 0 26px;border-top:1px solid rgba(220,229,242,.9);
      color:#29405f
    }
    .footer .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .footer a{color:#1947b8}
    .footer small{display:block;margin-top:10px;color:#5d6d82;line-height:1.8}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .fab{
      width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.7);
      background:linear-gradient(135deg,var(--brand),#3b82f6);color:#fff;box-shadow:0 14px 30px rgba(15,98,254,.26)
    }
    .customer{
      display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center
    }
    .qrcode{
      width:110px;height:110px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff
    }
    .links-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .links-cloud a{padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:13px}
    .image-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .image-row img{width:100%;border-radius:18px;border:1px solid var(--line);object-fit:cover;background:#fff}
    .anchor{scroll-margin-top:92px}
    .fade{opacity:0;transform:translateY(14px);transition:.6s ease}
    .fade.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.footer .footer-grid,.grid-4,.grid-3,.grid-2,.articles,.image-row{grid-template-columns:1fr}
      .timeline-item,.customer{grid-template-columns:1fr}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:66px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .menu-btn{display:inline-flex}
      .hero-main{padding:24px}
      .hero-mini{grid-template-columns:1fr}
      .form{grid-template-columns:1fr}
    }