:root{
      --bg0:#ffffff;
      --bg1:#fbfcff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#6b7280;
      --muted2:#4b5563;
      --line:rgba(15,23,42,.10);
      --shadow: 0 18px 40px rgba(2,6,23,.08);
      --shadow2: 0 10px 26px rgba(2,6,23,.08);
      --brand:#165dff;
      --brand2:#00c2ff;
      --brand3:#6d28ff;
      --good:#16a34a;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --pad:20px;
    }

    *{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;
      background:
        radial-gradient(900px 420px at 12% 0%, rgba(22,93,255,.12), transparent 55%),
        radial-gradient(700px 360px at 88% 8%, rgba(0,194,255,.12), transparent 55%),
        linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 55%, #ffffff 100%);
      color:var(--text);
    }

    a{color:inherit; text-decoration:none}
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
      outline:3px solid rgba(22,93,255,.35);
      outline-offset:2px;
      border-radius:10px;
    }

    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(15,23,42,.08);
    }

    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:44px;
      height:44px;
      object-fit:contain;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-name{
      font-weight:760;
      letter-spacing:.2px;
      font-size:14px;
      color:#0f172a;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color: #243247;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(22,93,255,.08);
      border-color: rgba(22,93,255,.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,.10);
      background:#ffffff;
      color:#111827;
      font-weight:680;
      font-size:13px;
      box-shadow: 0 10px 20px rgba(2,6,23,.05);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 28px rgba(2,6,23,.10);
      border-color: rgba(22,93,255,.22);
    }
    .btn-primary{
      border:1px solid rgba(22,93,255,.25);
      background: linear-gradient(135deg, rgba(22,93,255,.12) 0%, rgba(0,194,255,.14) 60%, rgba(109,40,255,.10) 100%), #ffffff;
    }
    .btn-brand{
      border:none;
      color:#fff;
      background: linear-gradient(135deg, #165dff 0%, #00c2ff 48%, #6d28ff 100%);
      box-shadow: 0 18px 36px rgba(22,93,255,.22);
    }
    .btn-brand:hover{
      box-shadow: 0 22px 46px rgba(22,93,255,.28);
    }

    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
      box-shadow: 0 10px 20px rgba(2,6,23,.05);
      transition: transform .18s ease, border-color .18s ease;
    }
    .mobile-toggle:hover{transform: translateY(-1px); border-color: rgba(22,93,255,.22);}
    .hamburger{
      width:18px; height:12px; position:relative; display:inline-block;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; background:#0f172a; border-radius:3px;
      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-drawer{
      display:none;
      padding:0 0 12px;
    }
    .mobile-drawer-inner{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.9);
      border-radius:16px;
      padding:12px;
      box-shadow: 0 18px 40px rgba(2,6,23,.08);
    }
    .mobile-drawer-links{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .mobile-drawer-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.08);
      background:#fff;
      font-weight:650;
      font-size:14px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .mobile-drawer-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(22,93,255,.24);
    }
    .mobile-drawer-ctas{
      display:flex;
      gap:10px;
      margin-top:10px;
      flex-wrap:wrap;
    }

    .hero{
      padding:32px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:-220px -180px auto -180px;
      height:520px;
      background:
        radial-gradient(closest-side at 15% 40%, rgba(22,93,255,.26), transparent 70%),
        radial-gradient(closest-side at 60% 15%, rgba(0,194,255,.24), transparent 68%),
        radial-gradient(closest-side at 90% 60%, rgba(109,40,255,.20), transparent 70%);
      filter:saturate(1.1);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -200px -200px auto;
      width:440px;
      height:440px;
      background:
        radial-gradient(closest-side at 30% 30%, rgba(0,194,255,.18), transparent 70%),
        radial-gradient(closest-side at 70% 70%, rgba(22,93,255,.14), transparent 70%);
      pointer-events:none;
      transform: rotate(12deg);
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:start;
      position:relative;
      z-index:1;
    }

    .kicker{
      display:flex;
      align-items:center;
      gap:10px;
      color:#0f172a;
      font-weight:700;
      font-size:12px;
      letter-spacing:.22px;
      margin-bottom:10px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(22,93,255,.18);
      background: rgba(22,93,255,.06);
    }
    .dot{
      width:9px; height:9px; border-radius:99px;
      background: linear-gradient(135deg, #165dff 0%, #00c2ff 60%, #6d28ff 100%);
      box-shadow: 0 10px 18px rgba(22,93,255,.25);
    }

    h1{
      font-size:38px;
      line-height:1.15;
      margin:0 0 12px;
      letter-spacing:-.6px;
      color:#0b1220;
    }
    .hero-lead{
      font-size:15px;
      line-height:1.8;
      color:#374151;
      margin:0 0 18px;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-bottom:16px;
    }

    .trust-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:10px;
    }
    .trust-item{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      min-width: 190px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .trust-item:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22);}
    .trust-num{
      font-weight:840;
      font-size:16px;
      color:#0f172a;
    }
    .trust-label{
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
      line-height:1.3;
    }

    .hero-side{
      display:flex;
      flex-direction:column;
      gap:12px;
    }

    .glass-card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(15,23,42,.10);
      box-shadow: var(--shadow2);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(500px 140px at 20% 0%, rgba(22,93,255,.18), transparent 60%),
        radial-gradient(500px 140px at 80% 0%, rgba(0,194,255,.14), transparent 60%);
      pointer-events:none;
    }
    .glass-inner{position:relative; z-index:1;}

    .mini-title{
      font-weight:820;
      font-size:14px;
      color:#0f172a;
      margin-bottom:8px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .mini-sub{
      font-size:12px; color:var(--muted);
      margin:0 0 12px;
      line-height:1.6;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
      margin-top:10px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.08);
      background:#fff;
      padding:11px 12px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 18px 32px rgba(2,6,23,.08);}
    .metric .value{
      font-weight:900;
      font-size:18px;
      color:#0f172a;
      letter-spacing:-.3px;
      margin-bottom:4px;
    }
    .metric .label{
      font-size:12px;
      color:var(--muted);
      line-height:1.35;
    }

    .quick-form{
      margin-top:10px;
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .row-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    label{
      font-size:12px;
      color:#334155;
      font-weight:700;
      margin-bottom:6px;
      display:block;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background: #fff;
      padding:11px 12px;
      font-size:14px;
      color:#0f172a;
      transition: border-color .2s ease, box-shadow .2s ease, transform .12s ease;
    }
    textarea{min-height:92px; resize:vertical}
    input::placeholder, textarea::placeholder{color:rgba(75,85,99,.75)}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(22,93,255,.35);
      box-shadow: 0 0 0 4px rgba(22,93,255,.12);
      outline:none;
    }

    .form-note{
      font-size:12px;
      color:var(--muted);
      line-height:1.6;
    }

    section{
      padding:26px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
      color:#0b1220;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width: 60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.86);
      border:1px solid rgba(15,23,42,.10);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 46px rgba(2,6,23,.10);
      border-color: rgba(22,93,255,.22);
    }
    .card .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(22,93,255,.18);
      background: rgba(22,93,255,.06);
      color:#0f172a;
      font-weight:760;
      font-size:12px;
      margin-bottom:10px;
      gap:8px;
    }
    .tag .mini-dot{
      width:8px; height:8px; border-radius:99px; background: linear-gradient(135deg,#165dff,#00c2ff,#6d28ff);
    }
    .card h3{
      margin:0 0 8px;
      font-size:16px;
      color:#0f172a;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:#374151;
      font-size:13px;
      line-height:1.75;
    }
    .card ul{
      margin:12px 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      color:#334155;
      font-size:13px;
      line-height:1.6;
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      background: rgba(22,93,255,.10);
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
      align-items:stretch;
    }
    .step{
      background: linear-gradient(180deg, rgba(255,255,255,.90) 0%, rgba(255,255,255,.78) 100%);
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius);
      padding:16px;
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(0,194,255,.26);
      box-shadow: 0 22px 46px rgba(2,6,23,.10);
    }
    .step::before{
      content:"";
      position:absolute;
      inset:auto -60px -60px auto;
      width:160px; height:160px;
      background: radial-gradient(closest-side at 30% 30%, rgba(0,194,255,.20), transparent 70%);
      transform: rotate(-12deg);
      pointer-events:none;
    }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position:relative; z-index:1;
    }
    .step-num{
      width:38px; height:38px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(22,93,255,.12), rgba(0,194,255,.14), rgba(109,40,255,.10));
      border:1px solid rgba(22,93,255,.20);
      font-weight:900;
      color:#0f172a;
    }
    .step h3{margin:12px 0 8px; position:relative; z-index:1; font-size:16px;}
    .step p{color:#374151; font-size:13px; line-height:1.75; position:relative; z-index:1;}

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .t-item{
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.86);
      border-radius: var(--radius);
      padding:14px;
      display:flex;
      gap:14px;
      align-items:flex-start;
      transition: transform .18s ease, border-color .18s ease;
    }
    .t-item:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22);}
    .t-badge{
      width:46px; height:46px;
      border-radius:18px;
      background: linear-gradient(135deg, rgba(22,93,255,.13), rgba(0,194,255,.16));
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:920;
      color:#0f172a;
      flex:0 0 auto;
    }
    .t-main h3{margin:0 0 6px; font-size:15px;}
    .t-main p{margin:0; color:#374151; font-size:13px; line-height:1.7;}

    .compare-wrap{
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      overflow:hidden;
    }
    .compare-head{
      padding:16px;
      background:
        radial-gradient(700px 240px at 0% 0%, rgba(22,93,255,.14), transparent 65%),
        radial-gradient(700px 240px at 100% 0%, rgba(0,194,255,.12), transparent 65%),
        linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(255,255,255,.78) 100%);
      border-bottom:1px solid rgba(15,23,42,.08);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .rating{
      display:flex; gap:14px; align-items:center;
    }
    .star{
      width:58px; height:58px; border-radius:22px;
      background: linear-gradient(135deg, rgba(22,93,255,.14), rgba(0,194,255,.16));
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 34px rgba(22,93,255,.15);
      font-weight:950;
    }
    .rating .score{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .rating .score strong{
      font-size:26px;
      letter-spacing:-.4px;
      color:#0b1220;
    }
    .rating .score span{
      color:var(--muted);
      font-size:13px;
      margin-top:6px;
    }
    .compare-head .recommend{
      font-size:13px;
      color:#0f172a;
      padding:9px 12px;
      border-radius:16px;
      border:1px solid rgba(22,93,255,.18);
      background: rgba(22,93,255,.06);
      font-weight:760;
      display:flex; align-items:center; gap:10px;
    }

    .compare-table{
      width:100%;
      border-collapse:collapse;
      min-width: 740px;
    }
    .compare-table th, .compare-table td{
      padding:14px 14px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      text-align:left;
      font-size:13px;
      color:#22304a;
    }
    .compare-table th{
      font-weight:850;
      color:#0f172a;
      background: rgba(248,250,255,.92);
    }
    .cell-good{
      color:#0f172a;
      font-weight:780;
      display:flex; align-items:center; gap:10px;
    }
    .cell-good .em{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:22px; height:22px;
      border-radius:10px;
      background: rgba(22,93,255,.10);
      border:1px solid rgba(22,93,255,.22);
      flex:0 0 auto;
      font-size:12px;
      font-weight:900;
    }
    .cell-mid{
      color:#0f172a;
      font-weight:760;
      display:flex; align-items:center; gap:10px;
    }
    .cell-mid .em{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:22px; height:22px;
      border-radius:10px;
      background: rgba(245,158,11,.10);
      border:1px solid rgba(245,158,11,.20);
      flex:0 0 auto;
      font-size:12px;
      font-weight:900;
    }

    .table-wrap{
      overflow:auto;
    }
    .table-wrap::-webkit-scrollbar{height:10px}
    .table-wrap::-webkit-scrollbar-thumb{background: rgba(15,23,42,.18); border-radius:999px}

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .case-card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex; flex-direction:column;
      min-height: 250px;
    }
    .case-card:hover{transform: translateY(-2px); border-color: rgba(0,194,255,.24); box-shadow: 0 22px 46px rgba(2,6,23,.10);}
    .case-media{
      padding:14px 14px 0;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .case-icon{
      width:46px; height:46px;
      border-radius:18px;
      background: linear-gradient(135deg, rgba(22,93,255,.14), rgba(0,194,255,.16));
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .case-badge{
      margin-top:2px;
      font-size:12px;
      color:var(--muted);
      font-weight:720;
      padding:7px 10px;
      border:1px solid rgba(15,23,42,.10);
      border-radius:999px;
      background: rgba(255,255,255,.72);
      white-space:nowrap;
    }
    .case-body{
      padding:14px;
      display:flex; flex-direction:column; gap:10px;
      flex:1;
    }
    .case-body h3{margin:0; font-size:16px; color:#0f172a;}
    .case-body p{margin:0; color:#374151; font-size:13px; line-height:1.75;}
    .case-meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .chip{
      padding:7px 10px;
      border-radius:999px;
      background: rgba(22,93,255,.06);
      border:1px solid rgba(22,93,255,.14);
      font-size:12px;
      color:#0f172a;
      font-weight:760;
    }
    .case-actions{
      padding:0 14px 14px;
      display:flex; gap:10px;
    }
    .btn-link{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      font-weight:780;
      font-size:13px;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease;
      width:100%;
    }
    .btn-link:hover{transform: translateY(-1px); border-color: rgba(22,93,255,.22);}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }

    .list-card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      overflow:hidden;
    }
    .list-card .head{
      padding:16px;
      background: rgba(248,250,255,.92);
      border-bottom:1px solid rgba(15,23,42,.08);
    }
    .list-card .head h3{
      margin:0;
      font-size:16px;
      color:#0f172a;
    }
    .list-card .head p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .list{
      padding:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .list-item{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      transition: transform .18s ease, border-color .18s ease;
    }
    .list-item:hover{transform: translateY(-2px); border-color: rgba(0,194,255,.24);}
    .list-item a{
      display:block;
      padding:0;
    }
    .list-item .title{
      font-weight:860;
      color:#0f172a;
      font-size:14px;
      margin-bottom:6px;
    }
    .list-item .meta{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    details{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.04);
      padding:12px 14px;
      transition: transform .18s ease, border-color .18s ease;
    }
    details:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22);}
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:860;
      color:#0f172a;
      font-size:14px;
      padding:2px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    summary::-webkit-details-marker{display:none}
    .faq-ic{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(248,250,255,.92);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details[open] .faq-ic{transform: rotate(45deg)}
    .faq-body{
      margin-top:10px;
      color:#374151;
      font-size:13px;
      line-height:1.8;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .review{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      padding:16px;
      transition: transform .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 210px;
      display:flex; flex-direction:column; gap:10px;
    }
    .review::before{
      content:"";
      position:absolute;
      inset:auto -40px -40px auto;
      width:140px; height:140px;
      background: radial-gradient(closest-side at 30% 30%, rgba(22,93,255,.18), transparent 70%);
      pointer-events:none;
    }
    .review:hover{transform: translateY(-2px); border-color: rgba(0,194,255,.22);}
    .review-top{display:flex; align-items:center; justify-content:space-between; gap:10px; position:relative; z-index:1;}
    .avatar{
      width:46px; height:46px; border-radius:18px;
      background: linear-gradient(135deg, rgba(22,93,255,.14), rgba(0,194,255,.16));
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#0f172a;
    }
    .who{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .who strong{font-size:14px; color:#0f172a;}
    .who span{font-size:12px; color:var(--muted); margin-top:4px;}
    .stars{
      display:flex; gap:3px;
      color:#f59e0b;
      font-weight:900;
      letter-spacing:-.5px;
      position:relative; z-index:1;
    }
    .review p{
      margin:0;
      color:#374151;
      font-size:13px;
      line-height:1.8;
      position:relative; z-index:1;
    }
    .review .quote{
      margin-top:auto;
      color:#64748b;
      font-size:12px;
      line-height:1.6;
      position:relative; z-index:1;
    }

    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      font-weight:780;
      font-size:12px;
      color:#0f172a;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .cloud:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22); background: rgba(22,93,255,.06);}

    .network{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .map-card{
      padding:16px;
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      position:relative;
      overflow:hidden;
      min-height: 260px;
    }
    .map-card::before{
      content:"";
      position:absolute;
      inset:-40px -80px auto auto;
      width:220px; height:220px;
      background: radial-gradient(closest-side at 30% 30%, rgba(0,194,255,.18), transparent 70%);
      pointer-events:none;
      transform: rotate(15deg);
    }
    .map-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .map-title h3{margin:0; font-size:16px; color:#0f172a;}
    .map-title p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.7; max-width: 58ch;}
    .node-grid{
      margin-top:14px;
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:10px;
      position:relative; z-index:1;
    }
    .node{
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      padding:12px;
      display:flex; flex-direction:column; gap:7px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .node:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22);}
    .node strong{font-size:13px; color:#0f172a;}
    .node span{font-size:12px; color:var(--muted); line-height:1.4;}
    .node .sig{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(22,93,255,.14), rgba(0,194,255,.16));
      border:1px solid rgba(22,93,255,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#0f172a;
    }

    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .form-card::before{
      content:"";
      position:absolute;
      inset:-60px auto auto -60px;
      width:240px; height:240px;
      background: radial-gradient(closest-side at 40% 40%, rgba(22,93,255,.16), transparent 70%);
      pointer-events:none;
      transform: rotate(-10deg);
    }
    .form-card .inner{position:relative; z-index:1;}
    .form-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .form-title h3{margin:0; font-size:16px; color:#0f172a;}
    .form-title p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.7; max-width: 60ch;}

    .submit-row{
      display:flex;
      gap:10px;
      align-items:center;
      justify-content:flex-start;
      flex-wrap:wrap;
      margin-top:10px;
    }
    .btn-submit{
      border:none;
      background: linear-gradient(135deg, #165dff 0%, #00c2ff 48%, #6d28ff 100%);
      color:#fff;
      box-shadow: 0 18px 36px rgba(22,93,255,.22);
      padding:12px 16px;
      border-radius:16px;
      font-weight:860;
      font-size:14px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .btn-submit:hover{transform: translateY(-2px); box-shadow: 0 26px 58px rgba(22,93,255,.30);}
    .btn-ghost{
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.12);
      background:#fff;
      font-weight:860;
      color:#0f172a;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .btn-ghost:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22); background: rgba(22,93,255,.06);}

    .contact-grid{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:12px;
      align-items:start;
    }
    .contact-card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 14px 28px rgba(2,6,23,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .contact-card::before{
      content:"";
      position:absolute;
      inset:auto -70px -70px auto;
      width:220px; height:220px;
      background: radial-gradient(closest-side at 35% 35%, rgba(109,40,255,.16), transparent 70%);
      pointer-events:none;
      transform: rotate(18deg);
    }
    .contact-card .inner{position:relative; z-index:1;}
    .contact-card h3{margin:0; font-size:16px; color:#0f172a;}
    .contact-card p{margin:10px 0 0; color:#374151; font-size:13px; line-height:1.8;}
    .contact-list{
      margin-top:12px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .contact-row{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .contact-row strong{
      color:#0f172a;
      font-size:13px;
    }
    .contact-row span{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      margin-top:4px;
    }
    .qr-wrap{
      width:84px; height:84px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(248,250,255,.92);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .qr-wrap img{
      width:100%; height:auto; display:block;
    }

    footer{
      padding:18px 0 26px;
      background: linear-gradient(180deg, rgba(248,250,255,.35) 0%, rgba(255,255,255,1) 70%);
      border-top:1px solid rgba(15,23,42,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:12px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.92);
      box-shadow: 0 14px 28px rgba(2,6,23,.04);
      padding:16px;
    }
    .footer-card h3{margin:0; font-size:15px; color:#0f172a;}
    .footer-card p{margin:10px 0 0; color:var(--muted); font-size:13px; line-height:1.8;}
    .footer-links{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
      font-weight:780;
      color:#0f172a;
      font-size:12px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .footer-links a:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22);}

    .footer-right{
      display:flex; flex-direction:column; gap:12px;
    }
    .copyright{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
      margin-top:12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .hr{
      height:1px;
      background: rgba(15,23,42,.08);
      margin:12px 0;
    }

    .float-cta{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 40px rgba(2,6,23,.12);
      padding:11px 12px;
      display:flex;
      gap:10px;
      align-items:center;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      user-select:none;
      max-width: 240px;
    }
    .float-btn:hover{transform: translateY(-2px); border-color: rgba(22,93,255,.22); box-shadow: 0 26px 60px rgba(2,6,23,.18);}
    .float-title{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .float-title strong{font-size:13px; color:#0f172a;}
    .float-title span{font-size:12px; color:var(--muted); margin-top:4px; white-space:nowrap;}
    .float-qr{
      width:44px; height:44px;
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(248,250,255,.92);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .float-qr img{width:100%; height:auto; display:block;}

    .toast{
      position:fixed;
      left:50%;
      transform: translateX(-50%);
      bottom:16px;
      z-index:90;
      background: rgba(15,23,42,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 24px 70px rgba(0,0,0,.28);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      max-width: 90vw;
      font-size:13px;
      line-height:1.6;
    }
    .toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-4px);
    }

    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .fade-in.is-visible{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .trust-item{min-width: 160px}
      .steps{grid-template-columns: repeat(2, minmax(0,1fr));}
      .grid-3{grid-template-columns: repeat(2, minmax(0,1fr));}
      .case-grid{grid-template-columns: repeat(2, minmax(0,1fr));}
      .review-grid{grid-template-columns: repeat(2, minmax(0,1fr));}
      .faq{grid-template-columns: 1fr;}
      .network{grid-template-columns: 1fr;}
      .contact-grid{grid-template-columns: 1fr;}
      .two-col{grid-template-columns: 1fr;}
      .node-grid{grid-template-columns: repeat(2, minmax(0,1fr));}
      .compare-table{min-width: 680px;}
    }
    @media (max-width: 720px){
      :root{--container:1120px; --pad:14px;}
      h1{font-size:30px;}
      .nav-links, .nav-cta{display:none;}
      .mobile-toggle{display:inline-flex; align-items:center; justify-content:center;}
      .mobile-drawer{display:block;}
      .hero{padding:20px 0 16px;}
      .grid-3{grid-template-columns: 1fr;}
      .case-grid{grid-template-columns: 1fr;}
      .review-grid{grid-template-columns: 1fr;}
      .steps{grid-template-columns: 1fr;}
      .metric-grid{grid-template-columns: 1fr 1fr;}
      .row-2{grid-template-columns: 1fr;}
      .footer-grid{grid-template-columns: 1fr;}
      .float-cta{right:10px; bottom:10px;}
      .float-btn{max-width: 180px}
    }