:root{
      --bg0:#f7fbfb;
      --bg1:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --muted2:#64748b;
      --line:rgba(15,23,42,.12);
      --card:rgba(255,255,255,.75);
      --card2:#ffffff;
      --shadow: 0 16px 40px rgba(2, 132, 199, .10), 0 2px 10px rgba(15, 23, 42, .06);
      --shadow2: 0 10px 26px rgba(2, 132, 199, .12), 0 1px 8px rgba(15, 23, 42, .06);
      --blue:#0ea5e9;
      --cyan:#22d3ee;
      --teal:#14b8a6;
      --deep:#0b2a3b;
      --nav:#071a2a;
      --radius:18px;
      --radius2:14px;
      --focus: 0 0 0 3px rgba(34,211,238,.25), 0 0 0 1px rgba(34,211,238,.35);
      --container: 1120px;
      --pad: 20px;
      --grad: radial-gradient(1200px 500px at 20% 0%, rgba(34,211,238,.20) 0%, rgba(34,211,238,0) 55%),
              radial-gradient(900px 460px at 70% 20%, rgba(14,165,233,.18) 0%, rgba(14,165,233,0) 52%),
              linear-gradient(135deg, rgba(14,165,233,.12), rgba(20,184,166,.06) 45%, rgba(34,211,238,.08));
      --grad2: linear-gradient(135deg, #0ea5e9 0%, #22d3ee 45%, #14b8a6 100%);
      --grad3: linear-gradient(180deg, rgba(14,165,233,.10), rgba(255,255,255,0));
      --btn: linear-gradient(135deg, rgba(14,165,233,1) 0%, rgba(34,211,238,1) 55%, rgba(20,184,166,1) 100%);
      --btn2: linear-gradient(135deg, rgba(2,132,199,.18) 0%, rgba(34,211,238,.08) 100%);
      --chip: rgba(14,165,233,.10);
      --chip2: rgba(20,184,166,.10);
      --k: 0.32;
      --ease: cubic-bezier(.2,.9,.2,1);
    }
    *{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 620px at 20% -10%, rgba(34,211,238,.18) 0%, rgba(34,211,238,0) 55%),
        radial-gradient(900px 520px at 80% 0%, rgba(14,165,233,.14) 0%, rgba(14,165,233,0) 50%),
        linear-gradient(180deg, #f4fbfb 0%, #ffffff 38%, #f7fafc 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:12px; top:12px; width:auto; height:auto; z-index:9999;
      background:#fff; padding:10px 12px; border-radius:10px; box-shadow:var(--shadow2);
      outline:none;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(247,251,251,.72);
      border-bottom: 1px solid rgba(15,23,42,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      height:70px;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:220px;
    }
    .ai-page-logo{
      width:42px; height:42px; border-radius:12px; object-fit:contain;
      background: rgba(255,255,255,.75);
      padding:6px;
      box-shadow: 0 10px 24px rgba(14,165,233,.12);
      border: 1px solid rgba(14,165,233,.18);
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-text strong{
      font-size:14px; letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px; color:var(--muted2);
    }

    .nav-right{
      display:flex; align-items:center; gap:12px;
      flex:1; justify-content:flex-end;
    }

    .menu{
      display:flex; gap:18px; align-items:center;
      padding:0; margin:0; list-style:none;
      flex-wrap:wrap;
    }
    .menu a{
      font-size:13px;
      color:#0b1f33;
      padding:10px 10px;
      border-radius:12px;
      transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(14,165,233,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; gap:10px; align-items:center;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      padding:10px 14px;
      border-radius:14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      color:#0b1f33;
      font-weight:650;
      font-size:13px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      cursor:pointer;
      user-select:none;
      gap:8px;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(2,132,199,.10);
      border-color: rgba(14,165,233,.22);
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn-primary{
      border: none;
      background: var(--btn);
      color:#062033;
      box-shadow: 0 18px 40px rgba(14,165,233,.22);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(400px 140px at 10% 0%, rgba(255,255,255,.42) 0%, rgba(255,255,255,0) 60%);
      transform: translateX(-18%);
      opacity:.9;
      transition: transform .4s var(--ease);
      pointer-events:none;
    }
    .btn-primary:hover::after{ transform: translateX(18%) }
    .btn-ghost{
      background: var(--btn2);
      border-color: rgba(14,165,233,.20);
    }
    .btn-sm{
      padding:9px 12px; border-radius:12px; font-size:13px;
    }

    .burger{
      display:none;
      width:42px; height:42px; border-radius:14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
    }
    .burger:hover{ transform: translateY(-1px); box-shadow: 0 12px 22px rgba(2,132,199,.10) }
    .burger:focus{ outline:none; box-shadow: var(--focus)}
    .burger i{
      width:18px; height:12px; position:relative; display:block;
    }
    .burger i::before, .burger i::after, .burger i span{
      content:""; position:absolute; left:0; right:0; height:2px; background:#0b1f33; border-radius:2px;
      transition: transform .22s var(--ease), top .22s var(--ease), opacity .22s var(--ease);
    }
    .burger i::before{ top:0 }
    .burger i span{ top:5px }
    .burger i::after{ top:10px }
    .burger[aria-expanded="true"] i::before{ top:5px; transform: rotate(45deg) }
    .burger[aria-expanded="true"] i span{ opacity:0 }
    .burger[aria-expanded="true"] i::after{ top:5px; transform: rotate(-45deg) }

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(15,23,42,.08);
      background: rgba(247,251,251,.78);
      padding: 12px 0 16px;
    }
    .mobile-panel .mobile-links{
      display:grid;
      gap:8px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .mobile-panel .mobile-links a{
      display:flex; align-items:center; justify-content:space-between;
      padding:12px 14px;
      border-radius:14px;
      border: 1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.76);
      font-weight:650;
      font-size:13px;
      color:#0b1f33;
    }
    .mobile-panel .mobile-links a:active{ transform: scale(.99) }

    main{ padding-bottom: 46px; }

    .hero{
      position:relative;
      padding: 40px 0 26px;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-40px -20px 0 -20px;
      background: var(--grad);
      pointer-events:none;
      z-index:0;
    }
    .hero-grid{
      position:relative; z-index:1;
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:22px;
      align-items:start;
      padding-top: 10px;
    }
    .kicker{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom: 12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px; border-radius:999px;
      border: 1px solid rgba(14,165,233,.18);
      background: rgba(255,255,255,.65);
      color:#0b2a3b;
      font-weight:700;
      font-size:12px;
      letter-spacing:.2px;
    }
    .pill .dot{
      width:8px; height:8px; border-radius:50%;
      background: var(--grad2);
      box-shadow: 0 10px 22px rgba(14,165,233,.22);
    }
    .hero h1{
      margin:0 0 10px;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height:1.15;
    }
    .lead{
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
      line-height:1.7;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-bottom: 18px;
    }
    .meta-row{
      display:flex; gap:12px; flex-wrap:wrap;
      color: var(--muted2);
      font-size:12px;
      align-items:center;
    }
    .meta-item{
      display:flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.62);
    }
    .meta-icon{
      width:28px; height:28px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(14,165,233,.16), rgba(20,184,166,.10));
      border: 1px solid rgba(14,165,233,.18);
    }
    .meta-icon svg{ width:16px; height:16px; }
    .hero-card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(14,165,233,.18);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-1px;
      background: linear-gradient(135deg, rgba(34,211,238,.22), rgba(14,165,233,.08) 46%, rgba(20,184,166,.16));
      opacity:.35;
      pointer-events:none;
    }
    .hero-card-inner{
      position:relative;
      padding: 16px 16px 14px;
    }
    .hero-card-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .hero-card-title h3{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .badge-live{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(14,165,233,.20);
      background: rgba(255,255,255,.75);
      font-weight:750;
      font-size:12px;
      color:#064e3b;
    }
    .badge-live .pulse{
      width:10px; height:10px; border-radius:50%;
      background: var(--grad2);
      position:relative;
      box-shadow: 0 10px 22px rgba(14,165,233,.24);
    }
    .badge-live .pulse::after{
      content:"";
      position:absolute; inset:-8px;
      border-radius:50%;
      border: 1px solid rgba(34,211,238,.35);
      animation: pulse 1.7s var(--ease) infinite;
    }
    @keyframes pulse{
      0%{ transform: scale(.6); opacity:.0 }
      35%{ opacity:.75 }
      100%{ transform: scale(1.25); opacity:0 }
    }

    .grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap:12px;
    }
    .stat{
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }
    .stat:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.20);
      box-shadow: 0 14px 28px rgba(2,132,199,.10);
    }
    .stat .num{
      font-weight:900;
      font-size:20px;
      letter-spacing:-.3px;
      margin: 0 0 6px;
      color:#082b3f;
    }
    .stat .lbl{
      margin:0;
      font-size:12px;
      color:var(--muted2);
      line-height:1.45;
    }
    .mini-list{
      margin-top: 12px;
      border-top: 1px solid rgba(15,23,42,.08);
      padding-top: 12px;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .chip{
      padding:8px 10px;
      border-radius: 999px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.08);
      font-weight:750;
      font-size:12px;
      color:#07324a;
      transition: transform .18s var(--ease);
      white-space:nowrap;
    }
    .chip:hover{ transform: translateY(-1px) }

    section{ padding: 26px 0; }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.7;
      max-width: 58ch;
    }
    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.08);
      border-radius: var(--radius);
      box-shadow: 0 14px 30px rgba(2,132,199,.08);
    }
    .cards-3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .cards-4{
      display:grid; grid-template-columns: repeat(4, 1fr); gap:14px;
    }
    .item-card{
      padding: 16px 16px;
      position:relative;
      overflow:hidden;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      height:100%;
    }
    .item-card:hover{
      transform: translateY(-2px);
      border-color: rgba(14,165,233,.20);
      box-shadow: var(--shadow2);
    }
    .item-card::after{
      content:"";
      position:absolute; inset:-60px -40px auto auto;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(34,211,238,.22), rgba(34,211,238,0) 60%);
      pointer-events:none;
      transform: rotate(14deg);
      opacity:.55;
    }
    .icon-box{
      width:42px; height:42px; border-radius:16px;
      background: linear-gradient(135deg, rgba(14,165,233,.16), rgba(20,184,166,.10));
      border: 1px solid rgba(14,165,233,.20);
      display:flex; align-items:center; justify-content:center;
      margin-bottom: 10px;
      position:relative;
    }
    .icon-box svg{ width:18px; height:18px; }
    .item-card h3{
      margin:0 0 8px;
      font-size:14px;
      letter-spacing:.1px;
    }
    .item-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }

    .split{
      display:grid; grid-template-columns: 1fr 1fr; gap:16px;
      align-items:start;
    }
    .timeline{
      display:grid; gap:10px;
      padding: 14px 14px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease);
    }
    .step:hover{ transform: translateY(-2px); box-shadow: 0 16px 34px rgba(2,132,199,.10) }
    .step .n{
      width:34px; height:34px; border-radius:14px;
      background: var(--btn2);
      border:1px solid rgba(14,165,233,.22);
      color:#0b2a3b;
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      flex:0 0 auto;
    }
    .step .t{
      display:flex; flex-direction:column; gap:4px;
    }
    .step .t strong{ font-size:13px }
    .step .t span{ font-size:12px; color:var(--muted2); line-height:1.55 }

    .comparison{
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      border-radius: var(--radius);
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 30px rgba(2,132,199,.08);
    }
    table{
      border-collapse:collapse;
      min-width: 820px;
      width:100%;
    }
    th, td{
      padding: 14px 14px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      font-size:13px;
      line-height:1.5;
    }
    th{
      text-align:left;
      background: linear-gradient(180deg, rgba(14,165,233,.12), rgba(255,255,255,0));
      color:#0b1f33;
      position:sticky; top:0;
      z-index:2;
    }
    td .muted{ color:var(--muted2) }
    .score{
      display:inline-flex; align-items:center; gap:10px;
      padding: 8px 10px;
      border-radius: 14px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.07);
      font-weight:900;
      white-space:nowrap;
    }
    .stars{
      display:inline-flex; gap:3px; vertical-align:middle;
    }
    .star svg{ width:14px; height:14px; }
    .good{ color:#0b3b2a; }
    .bad{ color:#7c2d12; }
    .tick{
      display:inline-flex; align-items:center; gap:8px;
      color:#0b3b2a; font-weight:750;
    }
    .tick svg{ width:16px; height:16px; }

    .faq{
      display:grid; grid-template-columns: 1fr 1fr; gap:14px;
    }
    details.faq-item{
      border-radius: var(--radius);
      border: 1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 30px rgba(2,132,199,.06);
      padding: 0;
      overflow:hidden;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
    }
    details.faq-item[open]{ border-color: rgba(14,165,233,.24); box-shadow: var(--shadow2); }
    details.faq-item summary{
      cursor:pointer;
      list-style:none;
      padding: 14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      user-select:none;
    }
    details.faq-item summary::-webkit-details-marker{ display:none }
    .q{
      font-weight:850;
      font-size:13.5px;
      letter-spacing:.1px;
      line-height:1.5;
    }
    .chev{
      width:30px; height:30px;
      border-radius: 14px;
      background: rgba(14,165,233,.08);
      border:1px solid rgba(14,165,233,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .22s var(--ease);
      margin-top: 2px;
    }
    details[open] .chev{ transform: rotate(180deg) }
    .answer{
      padding: 0 14px 14px;
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .review-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .review{
      padding: 16px 16px;
      position:relative;
      overflow:hidden;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      height:100%;
    }
    .review:hover{ transform: translateY(-2px); border-color: rgba(14,165,233,.20); box-shadow: var(--shadow2); }
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom: 10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      background: linear-gradient(135deg, rgba(14,165,233,.18), rgba(20,184,166,.10));
      border:1px solid rgba(14,165,233,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#0b2a3b;
      letter-spacing:-.2px;
    }
    .role{
      display:flex; flex-direction:column; gap:2px;
      flex:1;
      min-width: 0;
    }
    .role strong{ font-size:13.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis }
    .role span{ font-size:12px; color:var(--muted2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis }
    .review p{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .case-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .case{
      padding: 16px 16px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.08);
      border-radius: var(--radius);
      box-shadow: 0 14px 30px rgba(2,132,199,.06);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      overflow:hidden;
      position:relative;
      min-height: 200px;
      display:flex; flex-direction:column; gap:10px;
    }
    .case:hover{ transform: translateY(-2px); border-color: rgba(14,165,233,.22); box-shadow: var(--shadow2); }
    .case .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius: 999px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.08);
      color:#07324a;
      font-weight:850;
      font-size:12px;
      white-space:nowrap;
    }
    .case h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
      line-height:1.45;
    }
    .case .desc{
      margin:0;
      color: var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .case .bullets{
      margin-top:auto;
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .bullet{
      padding:7px 9px;
      border-radius: 999px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      font-size:12px;
      color: var(--muted2);
      font-weight:750;
    }

    .article-grid{
      display:grid; grid-template-columns: 1.15fr .85fr; gap:14px;
      align-items:start;
    }
    .list-card{
      padding: 16px 16px;
    }
    .list{
      display:grid; gap:10px;
      margin-top: 10px;
    }
    .list a.item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .list a.item:hover{ transform: translateY(-2px); box-shadow: 0 14px 28px rgba(2,132,199,.10); border-color: rgba(14,165,233,.22); }
    .list a.item strong{
      font-size:13.5px; line-height:1.4; letter-spacing:.1px;
      display:block;
      margin-bottom: 4px;
      max-width: 56ch;
    }
    .list a.item span{
      font-size:12px; color:var(--muted2); line-height:1.5;
    }
    .list a.item .arrow{
      flex:0 0 auto;
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.08);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease);
    }
    .list a.item:hover .arrow{ transform: translateX(2px) }

    .network{
      padding: 16px 16px;
    }
    .network .net-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top: 10px;
    }
    .net{
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
      display:flex; gap:12px; align-items:flex-start;
    }
    .net .mark{
      width:36px; height:36px; border-radius: 14px;
      background: rgba(20,184,166,.10);
      border:1px solid rgba(20,184,166,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .net strong{ font-size:13.5px }
    .net span{ display:block; margin-top:4px; color:var(--muted2); font-size:12.5px; line-height:1.55 }

    .form-grid{
      display:grid; grid-template-columns: .95fr 1.05fr; gap:14px;
      align-items:start;
    }
    .form-card{
      padding: 16px 16px;
    }
    form{
      display:grid; gap:10px; margin-top: 10px;
    }
    .field{
      display:grid; gap:6px;
    }
    label{
      font-size:12.5px; font-weight:800; color:#0b2a3b;
      letter-spacing:.1px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.85);
      color:#0b1f33;
      outline:none;
      font-size:13.5px;
      transition: box-shadow .2s var(--ease), border-color .2s var(--ease), transform .12s var(--ease);
    }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(34,211,238,.55);
      box-shadow: var(--focus);
    }
    textarea{ min-height: 104px; resize: vertical; }
    .form-actions{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top: 4px;
    }
    .fineprint{
      color: var(--muted2);
      font-size:12px;
      line-height:1.5;
      max-width: 40ch;
    }
    .toast{
      position:fixed;
      left:50%; bottom:18px;
      transform: translateX(-50%);
      background: rgba(7,26,42,.92);
      color:#fff;
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 20px 50px rgba(0,0,0,.25);
      z-index:100;
      opacity:0;
      pointer-events:none;
      transition: opacity .2s var(--ease), transform .2s var(--ease);
    }
    .toast.show{
      opacity:1; pointer-events:auto;
      transform: translateX(-50%) translateY(-2px);
    }

    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .tagcloud .t{
      padding: 9px 11px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.72);
      font-size:12.5px;
      color: #0b2a3b;
      font-weight:800;
      transition: transform .18s var(--ease), border-color .18s var(--ease);
      white-space:nowrap;
    }
    .tagcloud .t:hover{ transform: translateY(-2px); border-color: rgba(14,165,233,.22); }

    .partner-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-top: 12px;
    }
    .partner{
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.74);
      font-weight:900;
      font-size:13px;
      color:#0b2a3b;
      transition: transform .18s var(--ease);
    }
    .partner:hover{ transform: translateY(-2px) }

    .footer{
      background: linear-gradient(180deg, rgba(7,26,42,.0), rgba(7,26,42,.06)), #071a2a;
      color:#e2e8f0;
      margin-top: 12px;
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer .inner{
      padding: 26px 0 18px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.15fr .85fr; gap:14px;
      align-items:start;
    }
    .footer-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .footer-logo{
      width:46px; height:46px; border-radius:16px;
      background: rgba(255,255,255,.06);
      border:1px solid rgba(34,211,238,.26);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
    }
    .footer-logo img{ width:36px; height:auto; display:block; }
    .footer-brand strong{
      display:block; font-size:14px; letter-spacing:.2px;
    }
    .footer-brand span{
      display:block; margin-top:6px;
      color: rgba(226,232,240,.82);
      font-size:12.5px; line-height:1.65;
      max-width: 62ch;
    }
    .footer-links{
      display:grid; gap:10px;
      justify-items:start;
    }
    .footer-links h3{ margin:0; font-size:13.5px; letter-spacing:.1px; }
    .footer-links .links{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .footer-links a{
      padding: 9px 10px;
      border-radius: 999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color: #e6f7ff;
      font-size:12.5px;
      font-weight:800;
      transition: transform .18s var(--ease), border-color .18s var(--ease);
      display:inline-flex; align-items:center;
      white-space:nowrap;
    }
    .footer-links a:hover{ transform: translateY(-2px); border-color: rgba(34,211,238,.35) }
    .copyright{
      padding: 14px 0 18px;
      border-top: 1px solid rgba(255,255,255,.10);
      color: rgba(226,232,240,.75);
      font-size:12.5px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
    }
    .footer-ctas{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .footer-ctas a{
      border-radius: 14px;
      padding: 10px 12px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      color:#ecfeff;
      font-weight:900;
      font-size:13px;
      transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
    }
    .footer-ctas a:hover{ transform: translateY(-2px); border-color: rgba(34,211,238,.35); background: rgba(255,255,255,.10) }

    .float-chat{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-card{
      width: 170px;
      border-radius: 18px;
      background: rgba(255,255,255,.84);
      border:1px solid rgba(15,23,42,.10);
      box-shadow: 0 18px 50px rgba(0,0,0,.18);
      overflow:hidden;
      transform-origin: 90% 100%;
      transition: opacity .2s var(--ease), transform .2s var(--ease);
      display:none;
    }
    .float-card.show{
      display:block;
      animation: pop .2s var(--ease) both;
    }
    @keyframes pop{
      from{ opacity:0; transform: translateY(6px) scale(.98) }
      to{ opacity:1; transform: translateY(0) scale(1) }
    }
    .float-card .head{
      padding: 10px 12px;
      background: linear-gradient(135deg, rgba(14,165,233,.14), rgba(20,184,166,.08));
      border-bottom: 1px solid rgba(15,23,42,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .float-card .head strong{ font-size:12.5px; letter-spacing:.1px }
    .close-x{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease);
      flex:0 0 auto;
    }
    .close-x:hover{ transform: translateY(-1px) }
    .close-x:focus{ outline:none; box-shadow: var(--focus) }
    .float-card .body{
      padding: 12px;
      display:grid; gap:10px;
    }
    .qrcode{
      width:100%;
      border-radius: 16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.92);
      overflow:hidden;
    }
    .qrcode img{
      width:100%; height:auto; display:block;
    }
    .float-card .tip{
      color: var(--muted2);
      font-size:12px; line-height:1.5;
      text-align:left;
    }
    .float-btn{
      width: 52px; height: 52px;
      border-radius: 18px;
      border:none;
      background: var(--btn);
      color:#062033;
      box-shadow: 0 22px 60px rgba(14,165,233,.25);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s var(--ease);
      position:relative;
    }
    .float-btn:hover{ transform: translateY(-2px); filter: saturate(1.05); box-shadow: 0 26px 70px rgba(14,165,233,.28) }
    .float-btn:focus{ outline:none; box-shadow: var(--focus) }
    .float-btn svg{ width:22px; height:22px }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .5s var(--ease), transform .5s var(--ease);
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .cards-3{ grid-template-columns: 1fr; }
      .cards-4{ grid-template-columns: 1fr 1fr; }
      .split{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .review-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .form-grid{ grid-template-columns: 1fr; }
      .network .net-grid{ grid-template-columns: 1fr; }
      .float-chat{ right: 10px; bottom: 10px; }
      .float-card{ width: 160px; }
    }
    @media (max-width: 820px){
      .menu{ display:none; }
      .nav-cta{ display:none; }
      .burger{ display:flex; }
      .mobile-panel{ display:none; }
      header[data-open="true"] .mobile-panel{ display:block; }
    }
    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .reveal, .reveal.show{ transition:none; transform:none; opacity:1; }
      .badge-live .pulse::after{ animation:none; }
      .btn, .stat, .item-card, .case, .review, .step, .list a.item, details.faq-item{ transition:none !important; }
    }