:root{
      --bg:#f5f7fb;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#152033;
      --muted:#5d6b84;
      --line:#dbe4f3;
      --brand:#6b5cff;
      --brand2:#18c2ff;
      --brand3:#ff5ca8;
      --shadow:0 18px 50px rgba(25,45,92,.10);
      --radius:22px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(107,92,255,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(24,194,255,.14), transparent 25%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 35%, #f7f9ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px));margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(248,250,255,.82);
      border-bottom:1px solid rgba(219,228,243,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:1.02rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted);margin-top:3px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:var(--text);padding:8px 10px;border-radius:999px}
    .nav-links a:hover,.nav-links a:focus{background:#eef3ff}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;
      font-weight:700;cursor:pointer;transition:.25s ease;
      box-shadow:0 10px 24px rgba(107,92,255,.14);
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
    .btn-secondary{background:#edf2ff;color:#24314f}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(107,92,255,.18)}
    .menu-toggle{display:none;background:#edf2ff;color:var(--text);padding:12px 14px}
    main{padding-bottom:26px}
    section{padding:32px 0}
    .hero{padding:34px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-panel,.card,.panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,228,243,.9);
      box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-panel{padding:30px;position:relative;overflow:hidden}
    .hero-panel:before,.hero-panel:after{
      content:"";position:absolute;border-radius:50%;pointer-events:none
    }
    .hero-panel:before{width:220px;height:220px;right:-80px;top:-70px;background:radial-gradient(circle, rgba(107,92,255,.20), transparent 65%)}
    .hero-panel:after{width:180px;height:180px;right:80px;bottom:-100px;background:radial-gradient(circle, rgba(24,194,255,.18), transparent 68%)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg, rgba(107,92,255,.10), rgba(24,194,255,.10));
      color:#425070;font-weight:700;font-size:.92rem
    }
    h1{font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;margin:16px 0 14px}
    .lead{color:var(--muted);font-size:1.05rem;line-height:1.8;max-width:58ch;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .stats{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px
    }
    .stat{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid #e2eaf8}
    .stat strong{display:block;font-size:1.45rem}
    .stat span{display:block;color:var(--muted);font-size:.92rem;margin-top:6px;line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .side-top{padding:24px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      padding:9px 12px;border-radius:999px;background:#f0f4ff;border:1px solid #dce5f8;
      color:#35435f;font-size:.92rem
    }
    .side-list{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}
    .side-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:.55em;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:none}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(1.35rem,2.8vw,2.1rem)}
    .section-head p{margin:0;color:var(--muted);max-width:70ch;line-height:1.7}
    .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{padding:22px}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted);line-height:1.7}
    .icon-badge{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(107,92,255,.12), rgba(24,194,255,.12));
      margin-bottom:14px;color:#4c5af0;font-weight:800
    }
    .service-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .service-list li{
      padding:14px 16px;border-radius:16px;background:#f8fbff;border:1px solid #e3ebf8;
      display:flex;justify-content:space-between;gap:12px;align-items:center
    }
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:22px;border-radius:20px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid #e2eaf8;position:relative}
    .step strong{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-bottom:12px}
    .step h3{margin:0 0 8px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid #dce5f8;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #edf2fb;vertical-align:top}
    th{background:#f7f9ff;color:#25324a;font-size:.95rem}
    td{color:var(--muted);line-height:1.7}
    .score{
      display:grid;grid-template-columns:1fr 1fr;gap:16px
    }
    .rating{
      padding:24px;background:linear-gradient(135deg,#1d2550,#3141a8);color:#fff;border-radius:22px;box-shadow:var(--shadow)
    }
    .rating .big{font-size:3rem;font-weight:800;line-height:1;margin:10px 0}
    .rating p{color:rgba(255,255,255,.85);line-height:1.7}
    .compare-note{padding:24px;background:#fff;border-radius:22px;border:1px solid #e2eaf8}
    .compare-note ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
    .articles,.reviews,.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .mini{font-size:.92rem;color:var(--muted)}
    .review .name{display:flex;justify-content:space-between;gap:10px;margin-bottom:12px;font-weight:700}
    .stars{color:#ffb400;letter-spacing:2px}
    .case img{border-radius:16px;margin-bottom:14px;border:1px solid #e5ebf7}
    .faq details{
      background:#fff;border:1px solid #e1e9f7;border-radius:18px;padding:18px 20px;box-shadow:0 10px 28px rgba(25,45,92,.06)
    }
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{color:var(--muted);line-height:1.8;margin:12px 0 0}
    .contact-grid{display:grid;grid-template-columns:1fr .88fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    label{font-weight:700;font-size:.95rem}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d9e2f2;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#7a71ff;box-shadow:0 0 0 4px rgba(107,92,255,.10)}
    textarea{min-height:132px;resize:vertical}
    .contact-box{padding:22px}
    .contact-info{display:grid;gap:12px;margin-top:14px}
    .contact-item{padding:14px 15px;border-radius:16px;background:#f8fbff;border:1px solid #e3ebf8;color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:none;cursor:pointer;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(40,62,140,.22)
    }
    .floating .small{width:auto;border-radius:999px;padding:0 14px;font-weight:700}
    footer{
      padding:24px 0 28px;border-top:1px solid #dde6f5;background:#f3f7ff;color:#24314f
    }
    footer a{color:#2740a6}
    .footer-grid{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
    .footer-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid #dce5f8}
    .muted{color:var(--muted)}
    .topline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}
    .label{font-size:.85rem;padding:7px 10px;border-radius:999px;background:#eef3ff;color:#425070}
    .two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    .image-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .image-strip img,.single-image img{border-radius:18px;border:1px solid #e2eaf8;background:#fff;object-fit:cover}
    .single-image{display:grid;gap:12px}
    .service-network{display:flex;flex-wrap:wrap;gap:10px}
    .service-network span{padding:10px 12px;border-radius:14px;background:#fff;border:1px solid #e1e9f7;color:#44516c}
    .menu-panel{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.flow,.articles,.reviews,.cases,.score,.contact-grid,.two-col,.footer-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .menu-panel{display:none;padding:0 0 14px}
      .menu-panel.open{display:block}
      .menu-panel .nav-links{display:flex;flex-direction:column;align-items:flex-start;padding:12px 0}
      .menu-panel .nav-links a{width:100%}
      .footer-links{justify-content:flex-start}
      .section-head{align-items:flex-start;flex-direction:column}
      .stats{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .hero-panel,.card,.panel,.rating,.compare-note{padding:18px}
      .stats{grid-template-columns:1fr}
      .brand span{display:none}
      h1{font-size:2rem}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.in{opacity:1;transform:none}