:root{
      --bg0:#f6f8ff;
      --bg1:#ffffff;
      --text:#0f172a;
      --muted:#4b5563;
      --muted2:#6b7280;
      --line:rgba(15,23,42,.10);
      --card:rgba(255,255,255,.72);
      --card2:rgba(255,255,255,.90);
      --shadow:0 18px 50px rgba(15,23,42,.10);
      --shadow2:0 10px 28px rgba(15,23,42,.10);
      --shadow3:0 8px 18px rgba(2,132,199,.12);
      --blue:#0b5cff;
      --blue2:#0ea5ff;
      --navy:#0a2a66;
      --accent:#1d4ed8;
      --teal:#06b6d4;
      --radius:18px;
      --radius2:14px;
      --radius3:12px;
      --focus:rgba(11,92,255,.25);
      --container:1120px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 680px at 18% -10%, rgba(14,165,255,.22), transparent 60%),
        radial-gradient(900px 520px at 90% 0%, rgba(29,78,216,.16), transparent 55%),
        radial-gradient(900px 700px at 50% 110%, rgba(6,182,212,.12), transparent 55%),
        linear-gradient(180deg, #f7faff 0%, #ffffff 55%, #f6f8ff 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    .container{max-width:var(--container); margin:0 auto; padding:0 18px}
    .skip{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{left:18px; top:14px; width:auto; height:auto; padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:10px; z-index:9999}

    header{
      position:sticky; top:0; z-index:80;
      backdrop-filter:saturate(180%) blur(10px);
      background:rgba(246,248,255,.70);
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .topbar{
      display:flex; align-items:center; justify-content:space-between;
      height:72px;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:220px;
    }
    .ai-page-logo{
      width:42px; height:42px; object-fit:contain; border-radius:12px;
      background:linear-gradient(135deg, rgba(11,92,255,.14), rgba(14,165,255,.10));
      box-shadow:0 10px 24px rgba(11,92,255,.14);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-title strong{font-size:15px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted2)}
    nav{
      display:flex; align-items:center; gap:14px;
    }
    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:rgba(15,23,42,.82);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(11,92,255,.06);
      border-color:rgba(11,92,255,.18);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px; border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.78);
      color:rgba(15,23,42,.92);
      box-shadow:0 10px 22px rgba(15,23,42,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      font-weight:650;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:0 18px 38px rgba(15,23,42,.10); border-color:rgba(11,92,255,.22)}
    .btn:active{transform:translateY(0px)}
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus), 0 18px 38px rgba(15,23,42,.10)}
    .btn-primary{
      background:linear-gradient(135deg, rgba(11,92,255,1) 0%, rgba(14,165,255,1) 100%);
      border-color:rgba(11,92,255,.35);
      color:#fff;
      box-shadow:0 18px 50px rgba(11,92,255,.28);
    }
    .btn-primary:hover{box-shadow:0 24px 62px rgba(11,92,255,.34)}
    .btn-ghost{
      background:rgba(255,255,255,.70);
    }
    .btn-small{padding:9px 12px; border-radius:12px; font-size:13px}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(255,255,255,.25);
      background:rgba(11,92,255,.10);
      color:#0a2a66;
      font-weight:650;
      font-size:12px;
      backdrop-filter: blur(8px);
    }
    .pill .dot{
      width:8px; height:8px; border-radius:50%;
      background:linear-gradient(180deg, #0ea5ff, #1d4ed8);
      box-shadow:0 0 0 3px rgba(14,165,255,.16);
    }

    .mobile-toggle{
      display:none;
      width:42px; height:42px; border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.75);
      box-shadow:0 10px 22px rgba(15,23,42,.06);
      cursor:pointer;
    }
    .hamburger{
      width:18px; height:12px; margin:0 auto; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:999px;
      background:rgba(15,23,42,.85);
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-toggle[data-open="true"] .hamburger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .mobile-toggle[data-open="true"] .hamburger span:nth-child(2){opacity:0}
    .mobile-toggle[data-open="true"] .hamburger span:nth-child(3){top:5px; transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(15,23,42,.08);
      background:rgba(246,248,255,.86);
      padding:14px 0 18px;
    }
    .mobile-panel .nav-links{gap:10px}
    .mobile-panel .nav-links a{border-color:rgba(15,23,42,.10); background:rgba(255,255,255,.72)}
    .mobile-panel .nav-cta{margin-top:14px; justify-content:space-between}

    main{padding:26px 0 10px}
    .hero{
      padding:22px 0 14px;
    }
    .hero-grid{
      display:grid; grid-template-columns: 1.05fr .95fr;
      gap:18px; align-items:stretch;
    }
    .hero-card{
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.55);
      background:
        radial-gradient(900px 520px at 15% 10%, rgba(14,165,255,.20), transparent 55%),
        radial-gradient(740px 520px at 80% 0%, rgba(29,78,216,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.82) 0%, rgba(255,255,255,.62) 100%);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
      padding:20px 18px 18px;
    }

    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(closest-side at 20% 12%, rgba(11,92,255,.30), transparent 62%),
        radial-gradient(closest-side at 84% 18%, rgba(14,165,255,.26), transparent 60%);
      opacity:.75;
      pointer-events:none;
    }
    .hero-card > *{position:relative}
    .hero-top{
      display:flex; flex-wrap:wrap; align-items:center; gap:10px 12px;
      margin-bottom:10px;
    }
    h1{
      font-size:34px; line-height:1.12; margin:10px 0 8px;
      letter-spacing:-.6px;
    }
    .lead{
      margin:0 0 14px;
      color:rgba(15,23,42,.78);
      font-size:15px; line-height:1.6;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
      margin:14px 0 10px;
    }

    .micro{
      display:flex; gap:12px; flex-wrap:wrap; margin-top:12px;
      padding-top:12px; border-top:1px solid rgba(15,23,42,.10);
    }
    .micro-item{
      display:flex; gap:10px; align-items:flex-start;
      min-width:210px;
    }
    .micro-icon{
      width:34px; height:34px; border-radius:12px;
      background:rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 12px 26px rgba(11,92,255,.10);
      flex:0 0 auto;
    }
    .micro-item strong{display:block; font-size:13px; margin-top:2px}
    .micro-item span{display:block; color:var(--muted2); font-size:12px; margin-top:3px; line-height:1.4}

    .hero-side{
      border-radius:var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82) 0%, rgba(255,255,255,.62) 100%);
      box-shadow:var(--shadow2);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .hero-side::after{
      content:"";
      position:absolute; right:-120px; top:-120px; width:280px; height:280px; border-radius:50%;
      background:radial-gradient(circle at 30% 30%, rgba(14,165,255,.35), transparent 60%);
      pointer-events:none;
      opacity:.85;
    }
    .hero-side > *{position:relative}
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .side-title h2{
      font-size:16px; margin:0; letter-spacing:-.2px;
    }
    .score-badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px; border-radius:16px;
      border:1px solid rgba(11,92,255,.18);
      background:rgba(11,92,255,.08);
    }
    .score-num{
      font-weight:900; font-size:18px; color:rgba(10,42,102,.95);
      letter-spacing:-.4px;
    }
    .score-label{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .score-label span:first-child{font-weight:800; font-size:12px}
    .score-label span:last-child{font-size:12px; color:var(--muted2)}
    .matrix{
      margin-top:12px;
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mini{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.75);
      padding:12px 12px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:default;
      transform:translateZ(0);
    }
    .mini:hover{
      transform:translateY(-2px);
      border-color:rgba(11,92,255,.20);
      box-shadow:0 18px 44px rgba(11,92,255,.12);
    }
    .mini strong{display:block; font-size:13px}
    .mini span{display:block; margin-top:6px; color:var(--muted2); font-size:12px; line-height:1.45}
    .mini .k{
      display:flex; align-items:baseline; gap:8px;
      margin-top:4px;
    }
    .mini .k b{font-size:20px; letter-spacing:-.6px}
    .mini .k i{font-style:normal; color:rgba(75,85,99,.85); font-size:12px}

    .section{
      padding:24px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:62ch;
    }

    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .card{
      border-radius:var(--radius2);
      background:rgba(255,255,255,.76);
      border:1px solid rgba(15,23,42,.10);
      box-shadow:0 10px 28px rgba(15,23,42,.06);
      padding:14px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(11,92,255,.20);
      box-shadow:0 18px 44px rgba(11,92,255,.10);
    }
    .card h3{margin:10px 0 6px; font-size:15.5px}
    .card p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
    .icon{
      width:42px; height:42px; border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background:rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.18);
      box-shadow:0 14px 30px rgba(11,92,255,.12);
    }
    .icon svg{width:20px; height:20px; fill:rgba(11,92,255,.95)}

    .steps{
      display:grid; grid-template-columns:repeat(4,1fr); gap:12px;
    }
    .step{
      position:relative;
      padding:16px;
      border-radius:var(--radius2);
      background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.66));
      border:1px solid rgba(15,23,42,.10);
      overflow:hidden;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .step:hover{
      transform:translateY(-2px);
      border-color:rgba(14,165,255,.22);
      box-shadow:0 20px 52px rgba(14,165,255,.10);
    }
    .step .num{
      font-weight:900;
      font-size:28px;
      letter-spacing:-.8px;
      color:rgba(11,92,255,.18);
      margin-bottom:10px;
    }
    .step h3{margin:0 0 8px; font-size:15.5px}
    .step p{margin:0; color:var(--muted); font-size:13px; line-height:1.6}
    .step .tag{
      margin-top:10px;
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(11,92,255,.20);
      background:rgba(11,92,255,.08);
      color:rgba(10,42,102,.95);
      font-weight:750;
      font-size:12px;
    }

    .compare-wrap{
      border-radius:var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.64));
      box-shadow:var(--shadow2);
      overflow:hidden;
    }
    .compare-top{
      padding:16px;
      border-bottom:1px solid rgba(15,23,42,.10);
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      background:
        radial-gradient(900px 240px at 10% 0%, rgba(11,92,255,.18), transparent 60%),
        radial-gradient(720px 260px at 80% 0%, rgba(14,165,255,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
    }
    .compare-top h2{margin:0; font-size:20px; letter-spacing:-.3px}
    .compare-top p{margin:6px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .stars{
      display:flex; flex-direction:column; align-items:flex-end; gap:8px;
      min-width:210px;
    }
    .stars .row{display:flex; gap:6px; align-items:center}
    .star{
      width:18px; height:18px; display:inline-block;
      filter:drop-shadow(0 6px 14px rgba(11,92,255,.20));
    }
    .stars strong{font-size:13px}
    .stars span{font-size:12px; color:var(--muted2)}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
    }
    thead th{
      text-align:left;
      font-size:13px;
      color:rgba(15,23,42,.86);
      padding:12px 14px;
      background:rgba(11,92,255,.06);
      border-bottom:1px solid rgba(15,23,42,.10);
      white-space:nowrap;
    }
    tbody td{
      padding:12px 14px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      font-size:13px;
      color:rgba(15,23,42,.86);
    }
    tbody tr:last-child td{border-bottom:none}
    .hl{
      background:rgba(11,92,255,.07);
      border:1px solid rgba(11,92,255,.16);
      border-radius:12px;
      padding:6px 10px;
      display:inline-block;
      font-weight:800;
      color:rgba(10,42,102,.96);
    }

    .tool-grid{
      display:grid; grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }
    .muted-box{
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 10px 28px rgba(15,23,42,.06);
      padding:14px;
    }
    .bullets{margin:10px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px}
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background:rgba(255,255,255,.65);
    }
    .check{
      width:20px; height:20px; border-radius:7px;
      background:rgba(11,92,255,.10);
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check svg{width:12px; height:12px; fill:rgba(11,92,255,.95)}
    .bullets strong{display:block; font-size:13.5px; margin-bottom:3px}
    .bullets span{display:block; font-size:12.5px; color:var(--muted); line-height:1.5}

    .form{
      display:flex; flex-direction:column; gap:10px;
      margin-top:10px;
    }
    .field-row{
      display:grid; grid-template-columns:1fr 1fr; gap:10px;
    }
    label{font-size:12px; color:rgba(15,23,42,.78); font-weight:700}
    input, select, textarea{
      width:100%;
      padding:11px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.86);
      color:rgba(15,23,42,.92);
      outline:none;
      transition:box-shadow .18s ease, border-color .18s ease, transform .18s ease;
      font-size:13.5px;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(11,92,255,.35);
      box-shadow:0 0 0 4px var(--focus);
    }
    .form .actions{
      display:flex; gap:10px; align-items:center; justify-content:flex-start; flex-wrap:wrap;
      margin-top:2px;
    }
    .helper{
      font-size:12px; color:var(--muted2); line-height:1.55;
    }

    .faq{
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
      align-items:start;
    }
    details{
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      padding:12px 12px;
      transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    details:hover{
      border-color:rgba(11,92,255,.20);
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(11,92,255,.10);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      font-weight:850;
      color:rgba(15,23,42,.92);
      padding:6px 6px;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:34px; height:34px; border-radius:12px;
      background:rgba(11,92,255,.08);
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    details[open] .chev{transform:rotate(180deg)}
    .answer{
      margin:8px 6px 4px;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .quote-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
    .quote{
      padding:14px;
      border-radius:var(--radius2);
      background:rgba(255,255,255,.74);
      border:1px solid rgba(15,23,42,.10);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
    }
    .quote .who{
      display:flex; align-items:center; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      background:linear-gradient(135deg, rgba(11,92,255,.14), rgba(14,165,255,.10));
      border:1px solid rgba(11,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950; color:rgba(10,42,102,.95);
      box-shadow:0 18px 42px rgba(11,92,255,.10);
      flex:0 0 auto;
    }
    .quote strong{display:block; font-size:13.5px}
    .quote span{display:block; font-size:12.5px; color:var(--muted2); margin-top:2px}
    .quote p{
      margin:0;
      color:rgba(15,23,42,.82);
      font-size:13px;
      line-height:1.75;
    }

    .case-grid{
      display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
    }
    .case{
      padding:14px;
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(700px 200px at 20% 0%, rgba(11,92,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.64));
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .case:hover{
      transform:translateY(-2px);
      border-color:rgba(14,165,255,.22);
      box-shadow:0 22px 56px rgba(14,165,255,.10);
    }
    .case h3{margin:10px 0 8px; font-size:15.5px}
    .case .meta{
      display:flex; gap:8px; flex-wrap:wrap; margin-bottom:8px;
    }
    .badge{
      font-size:12px; font-weight:800;
      padding:7px 10px; border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.68);
      color:rgba(15,23,42,.86);
    }
    .case p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}

    .articles{
      display:grid; grid-template-columns: 1.05fr .95fr; gap:12px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article{
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      padding:12px;
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{
      transform:translateY(-2px);
      border-color:rgba(11,92,255,.20);
      box-shadow:0 18px 44px rgba(11,92,255,.10);
    }
    .article .t{
      display:flex; flex-direction:column; gap:6px;
    }
    .article a{
      display:block;
      font-weight:900;
      font-size:13.5px;
      color:rgba(15,23,42,.92);
      line-height:1.35;
    }
    .article .s{
      font-size:12.5px; color:var(--muted2); line-height:1.5;
    }
    .article time{
      font-size:12px; color:var(--muted2); white-space:nowrap;
      padding-top:2px;
    }

    .timeline{
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      padding:14px;
      box-shadow:0 10px 26px rgba(15,23,42,.05);
    }
    .timeline .item{
      display:flex; gap:12px;
      padding:10px 0;
      border-top:1px solid rgba(15,23,42,.08);
      align-items:flex-start;
    }
    .timeline .item:first-child{border-top:none; padding-top:0}
    .timeline .dot{
      width:12px; height:12px; border-radius:50%;
      background:linear-gradient(180deg, #0ea5ff, #1d4ed8);
      margin-top:6px;
      box-shadow:0 0 0 4px rgba(14,165,255,.18);
      flex:0 0 auto;
    }
    .timeline strong{display:block; font-size:13.5px; margin-bottom:4px}
    .timeline span{display:block; color:var(--muted); font-size:12.8px; line-height:1.6}

    .network-grid{
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
      align-items:stretch;
    }
    .network{
      padding:14px;
      border-radius:var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      overflow:hidden;
      position:relative;
    }
    .network::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 220px at 15% 0%, rgba(11,92,255,.16), transparent 60%),
        radial-gradient(520px 220px at 90% 0%, rgba(14,165,255,.14), transparent 60%);
      opacity:.9; pointer-events:none;
    }
    .network > *{position:relative}
    .maplines{
      display:grid; grid-template-columns:repeat(2,1fr);
      gap:10px; margin-top:10px;
    }
    .place{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.70);
      padding:10px 12px;
    }
    .place strong{display:block; font-size:13.5px}
    .place span{display:block; font-size:12.5px; color:var(--muted2); margin-top:3px; line-height:1.4}

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tchip{
      padding:8px 11px; border-radius:999px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(15,23,42,.10);
      font-size:12.5px;
      color:rgba(15,23,42,.86);
      font-weight:800;
      transition:transform .16s ease, border-color .16s ease;
      cursor:default;
    }
    .tchip:hover{transform:translateY(-2px); border-color:rgba(11,92,255,.22)}

    footer{
      margin-top:22px;
      border-top:1px solid rgba(15,23,42,.10);
      background:linear-gradient(180deg, rgba(246,248,255,.70), rgba(255,255,255,.85));
    }
    .footer-inner{
      padding:18px 0 16px;
      display:flex; gap:14px; flex-wrap:wrap; align-items:flex-start; justify-content:space-between;
    }
    .foot-left{
      max-width:560px;
    }
    .foot-left h3{margin:0 0 8px; font-size:16.5px}
    .foot-left p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .foot-right{
      min-width:280px;
      display:flex; flex-direction:column; gap:10px;
    }
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      justify-content:flex-end;
    }
    .foot-links a{
      font-size:12.5px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.70);
      color:rgba(15,23,42,.86);
      transition:transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .foot-links a:hover{
      transform:translateY(-2px);
      border-color:rgba(11,92,255,.22);
      background:rgba(11,92,255,.06);
    }
    .copyright{
      padding:12px 0 16px;
      color:var(--muted2);
      font-size:12.5px;
      display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
      border-top:1px solid rgba(15,23,42,.08);
      align-items:center;
    }
    .backtop{
      position:fixed; right:16px; bottom:16px; z-index:120;
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.82);
      backdrop-filter: blur(8px);
      box-shadow:0 18px 44px rgba(15,23,42,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transform:translateY(16px);
      opacity:0;
      pointer-events:none;
      transition:opacity .2s ease, transform .2s ease;
    }
    .backtop.show{opacity:1; transform:translateY(0); pointer-events:auto}
    .backtop svg{width:18px; height:18px; fill:rgba(11,92,255,.95)}

    .float-card{
      position:fixed; left:16px; bottom:16px; z-index:121;
      width:min(340px, calc(100vw - 32px));
      border-radius:18px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
      box-shadow:0 26px 70px rgba(15,23,42,.18);
      overflow:hidden;
      transform:translateY(18px);
      opacity:0;
      pointer-events:none;
      transition:opacity .25s ease, transform .25s ease;
    }
    .float-card.show{opacity:1; transform:translateY(0); pointer-events:auto}
    .float-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:12px 12px;
      background:
        radial-gradient(520px 140px at 18% 0%, rgba(11,92,255,.18), transparent 60%),
        linear-gradient(180deg, rgba(246,248,255,.70), rgba(255,255,255,.65));
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .float-head strong{font-size:13.5px}
    .close-x{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:rgba(255,255,255,.78);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .close-x svg{width:14px; height:14px; fill:rgba(15,23,42,.85)}
    .float-body{
      padding:12px;
      display:flex; gap:12px; align-items:center;
    }
    .qr{
      width:86px; height:86px; border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .qr img{width:100%; height:100%; object-fit:cover}
    .float-text{
      display:flex; flex-direction:column; gap:7px; min-width:0;
    }
    .float-text span{
      font-size:12.8px; color:var(--muted); line-height:1.5;
    }
    .float-actions{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:2px;
    }

    @keyframes floaty{
      0%{transform:translateY(0)}
      50%{transform:translateY(-3px)}
      100%{transform:translateY(0)}
    }
    .pulse{
      animation:floaty 3.8s ease-in-out infinite;
    }

    .fade-in{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .6s ease, transform .6s ease;
      will-change:opacity, transform;
    }
    .fade-in.show{
      opacity:1;
      transform:translateY(0);
    }

    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }

    .img-inline{
      width:100%;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(15,23,42,.06);
      overflow:hidden;
    }
    .img-inline img{width:100%; height:auto; display:block; object-fit:cover}

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .micro-item{min-width:unset; flex:1}
      .grid-3{grid-template-columns:repeat(2,1fr)}
      .grid-4{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .quote-grid{grid-template-columns:repeat(2,1fr)}
      .case-grid{grid-template-columns:repeat(2,1fr)}
      .tool-grid{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .topbar{height:66px}
      .nav-links{display:none}
      .nav-cta .btn-ghost{display:none}
      .mobile-toggle{display:block}
      .mobile-panel{display:block; }
      .grid-3, .grid-4{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .quote-grid, .case-grid{grid-template-columns:1fr}
      .field-row{grid-template-columns:1fr}
      h1{font-size:28px}
      .hero-card{padding:18px 14px 16px}
      .hero-side{padding:16px}
      .float-card{left:12px; bottom:12px}
      .backtop{right:12px; bottom:12px}
      .foot-links{justify-content:flex-start}
      .stars{align-items:flex-start; min-width:unset}
      .compare-top{flex-direction:column; align-items:flex-start}
      thead th{font-size:12.5px}
      tbody td{font-size:12.5px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none}
      .pulse{animation:none}
      .btn, .card, details, .article, .mini, .step, .case, .tchip{transition:none}
    }