:root{
      --bg0:#ffffff;
      --bg1:#f6f7fb;
      --bg2:#f0f3ff;
      --card:#ffffff;
      --text:#14161c;
      --muted:#5b6072;
      --muted2:#7a8196;
      --border:rgba(17,24,39,.10);
      --shadow: 0 14px 40px rgba(16,24,40,.10);
      --shadow2: 0 10px 24px rgba(16,24,40,.10);
      --accent:#1566ff;
      --accent2:#7c3aed;
      --accent3:#00c2ff;
      --good:#0ea5e9;
      --warn:#f59e0b;
      --good2:#22c55e;
      --radius:18px;
      --radius2:14px;
      --container: 1120px;
      --container-pad: 18px;
      --ring: rgba(21,102,255,.28);
      --focus: rgba(21,102,255,.42);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 15% -5%, rgba(21,102,255,.18), transparent 55%),
        radial-gradient(780px 360px at 90% 0%, rgba(124,58,237,.14), transparent 52%),
        radial-gradient(700px 340px at 70% 30%, rgba(0,194,255,.10), transparent 55%),
        linear-gradient(#fff, #f7f8ff 62%, #ffffff);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--container-pad);
    }

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left: 16px; top: 16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 0;
      gap:14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 210px;
    }
    .ai-page-logo{
      width:38px; height:38px; object-fit:contain;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(21,102,255,.16), rgba(124,58,237,.10));
      padding:6px;
      box-shadow: 0 10px 20px rgba(21,102,255,.10);
    }
    .brand-meta{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-name{
      font-weight:800; letter-spacing:.2px;
      font-size:14px;
    }
    .brand-sub{
      font-size:12px; color:var(--muted);
    }

    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:16px;
      flex-wrap:nowrap;
      overflow:hidden;
      max-width: 620px;
    }
    .nav-links a{
      font-size:13px;
      color:var(--muted);
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(21,102,255,.08);
      color: var(--text);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
      min-width: 210px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:var(--text);
      padding:10px 12px;
      border-radius: 14px;
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .2s ease, border-color .2s ease;
      display:inline-flex; align-items:center; gap:8px;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 10px 22px rgba(16,24,40,.10); border-color: rgba(21,102,255,.25)}
    .btn:active{transform: translateY(0px)}
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus)}
    .btn-primary{
      border-color: rgba(21,102,255,.25);
      background: linear-gradient(135deg, rgba(21,102,255,1), rgba(124,58,237,.92));
      color:#fff;
      box-shadow: 0 18px 40px rgba(21,102,255,.18);
    }
    .btn-primary:hover{box-shadow: 0 20px 50px rgba(21,102,255,.25)}
    .btn-ghost{
      background: rgba(255,255,255,.65);
    }
    .icon{
      width:18px; height:18px; display:inline-block; flex:0 0 auto;
    }
    .hamburger{
      display:none;
    }

    .mobile-menu{
      display:none;
      padding: 10px 0 16px 0;
    }
    .mobile-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-grid a{
      display:flex; align-items:center; justify-content:center;
      padding:12px 10px;
      border:1px solid rgba(17,24,39,.10);
      border-radius: 14px;
      background:#fff;
      color:var(--muted);
      font-weight:700;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
    }
    .mobile-grid a:hover{transform: translateY(-1px); box-shadow: 0 10px 22px rgba(16,24,40,.10); border-color: rgba(21,102,255,.25); color:var(--text)}
    .mobile-actions{
      display:flex; gap:10px; margin-top:12px; flex-wrap:wrap;
    }
    .mobile-actions .btn{flex: 1 1 auto; justify-content:center}

    main{padding-bottom: 36px}
    .hero{
      padding: 24px 0 10px 0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      position:relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.62)),
        radial-gradient(700px 280px at 20% 0%, rgba(21,102,255,.18), transparent 56%),
        radial-gradient(520px 240px at 90% 30%, rgba(124,58,237,.12), transparent 58%);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 18px 60px rgba(16,24,40,.08);
      padding: 26px 22px;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(600px 220px at 10% 10%, rgba(21,102,255,.22), transparent 60%),
        radial-gradient(560px 240px at 90% 0%, rgba(124,58,237,.18), transparent 58%),
        radial-gradient(520px 260px at 60% 80%, rgba(0,194,255,.12), transparent 56%);
      opacity:.65;
      pointer-events:none;
      filter:saturate(1.1);
    }
    .hero-inner{position:relative; z-index:1}
    .badge-row{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius: 999px;
      background: rgba(21,102,255,.08);
      border:1px solid rgba(21,102,255,.18);
      color:#0f3dff;
      font-weight:800;
      font-size:12px;
      letter-spacing:.2px;
    }
    .badge .dot{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow: 0 0 0 4px rgba(21,102,255,.12);
    }
    .hero h1{
      margin:0 0 10px 0;
      font-size:34px;
      line-height:1.12;
      letter-spacing:-.6px;
    }
    .hero p{
      margin:0 0 16px 0;
      color:var(--muted);
      font-size:15px;
      line-height:1.65;
      max-width: 62ch;
    }
    .hero-ctas{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:14px;
    }
    .micro{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:18px;
      padding-top:16px;
      border-top:1px dashed rgba(17,24,39,.14);
    }
    .micro .mitem{
      display:flex; gap:10px; align-items:flex-start;
      min-width: 190px;
    }
    .micon{
      width:28px; height:28px; border-radius:12px;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      flex:0 0 auto;
      margin-top:2px;
    }
    .mitem strong{font-size:13px}
    .mitem span{display:block; color:var(--muted2); font-size:12.5px; margin-top:3px; line-height:1.4}

    .hero-side{
      background:
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.60));
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 18px 60px rgba(16,24,40,.06);
      padding: 18px;
      overflow:hidden;
      position:relative;
    }
    .hero-side:after{
      content:"";
      position:absolute;
      width: 320px; height: 320px;
      right:-140px; top:-180px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.25), transparent 58%);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
      position:relative;
      z-index:1;
    }
    .side-title h2{
      margin:0;
      font-size:14px;
      color:var(--muted);
      letter-spacing:.2px;
      font-weight:900;
      text-transform: none;
    }
    .pill{
      padding:8px 10px;
      border-radius: 999px;
      background: rgba(124,58,237,.10);
      border:1px solid rgba(124,58,237,.18);
      color:#5b21b6;
      font-weight:900;
      font-size:12px;
      white-space:nowrap;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .metric{
      padding:14px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
      min-height: 88px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(16,24,40,.10);
      border-color: rgba(21,102,255,.22);
    }
    .metric .k{
      font-weight:900; font-size:12px; color:var(--muted);
      display:flex; align-items:center; gap:8px;
    }
    .metric .k i{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, rgba(21,102,255,1), rgba(124,58,237,.9));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(21,102,255,.12);
    }
    .metric .v{
      font-size:20px; font-weight:950; letter-spacing:-.4px;
    }
    .metric .s{
      color:var(--muted2); font-size:12px; line-height:1.4; margin-top:6px;
    }

    .side-cta{
      margin-top:14px;
      border-top:1px solid rgba(17,24,39,.08);
      padding-top:14px;
      position:relative;
      z-index:1;
    }
    .quote{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(21,102,255,.08), rgba(124,58,237,.06));
      border:1px solid rgba(21,102,255,.16);
      margin-bottom:12px;
    }
    .quote svg{flex:0 0 auto; margin-top:2px}
    .quote strong{display:block; font-size:13px}
    .quote span{display:block; color:var(--muted2); font-size:12.5px; line-height:1.45; margin-top:4px}
    .side-cta .btn{width:100%; justify-content:center}

    .section{
      padding: 18px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px; flex-wrap:wrap;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
      max-width: 64ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius2);
      box-shadow: 0 12px 26px rgba(16,24,40,.06);
      padding: 16px 14px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(16,24,40,.10);
      border-color: rgba(21,102,255,.22);
    }
    .card .topline{
      display:flex; align-items:flex-start; gap:12px;
      margin-bottom:10px;
    }
    .glyph{
      width:40px; height:40px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(21,102,255,.14), rgba(124,58,237,.10));
      border:1px solid rgba(21,102,255,.18);
      color: var(--accent);
      flex:0 0 auto;
    }
    .card h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.65;
    }
    .tags{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;
    }
    .tag{
      font-size:12px;
      padding:7px 9px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      color: var(--muted);
      font-weight:800;
    }
    .tag.em{
      background: rgba(21,102,255,.09);
      border-color: rgba(21,102,255,.22);
      color:#0f3dff;
    }

    .flow{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:14px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      position:relative;
      overflow:hidden;
    }
    .step:after{
      content:"";
      position:absolute;
      right:-30px; top:-30px;
      width:90px; height:90px;
      border-radius: 28px;
      background: radial-gradient(circle at 30% 30%, rgba(21,102,255,.22), transparent 58%);
      opacity:.75;
      pointer-events:none;
    }
    .step .num{
      width:34px; height:34px; border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.18);
      color: var(--accent);
      font-weight:950;
      position:relative;
      z-index:1;
    }
    .step h3{margin:10px 0 6px 0; font-size:14px; position:relative; z-index:1}
    .step p{margin:0; color:var(--muted); font-size:13.2px; line-height:1.6; position:relative; z-index:1}

    .compare-wrap{
      border:1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .compare-head{
      padding:14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      border-bottom:1px solid rgba(17,24,39,.08);
      background: linear-gradient(135deg, rgba(21,102,255,.08), rgba(124,58,237,.06));
    }
    .compare-head .left strong{font-size:16px; display:block; letter-spacing:-.2px}
    .stars{
      display:flex; align-items:center; gap:8px; margin-top:6px;
      color:#0f2f7f;
      font-weight:900;
    }
    .star-row{
      display:flex; gap:4px;
    }
    .star{
      width:16px; height:16px;
      fill: rgba(245,158,11,.95);
      stroke: rgba(245,158,11,.95);
      stroke-width:1;
      filter: drop-shadow(0 8px 14px rgba(245,158,11,.22));
    }
    .score{
      padding:10px 12px;
      border-radius: 16px;
      border:1px solid rgba(245,158,11,.25);
      background: rgba(245,158,11,.10);
      font-weight:950;
      color:#7c2d12;
      white-space:nowrap;
    }
    .compare-table{
      width:100%;
      border-collapse: collapse;
      min-width: 820px;
    }
    .compare-table th, .compare-table td{
      border-top:1px solid rgba(17,24,39,.08);
      padding:12px 12px;
      text-align:left;
      vertical-align:top;
      font-size:13.5px;
      color:var(--muted);
    }
    .compare-table th{
      color:var(--text);
      font-size:13px;
      background: rgba(255,255,255,.82);
      position:sticky;
      top:0;
      z-index:1;
    }
    .score-col{
      font-weight:950; color: var(--text);
    }
    .ok{
      display:inline-flex; align-items:center; gap:8px;
      color:#0b3b2e;
      font-weight:900;
    }
    .ok i{
      width:18px; height:18px; border-radius: 8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(34,197,94,.12);
      border:1px solid rgba(34,197,94,.22);
      color:#166534;
      flex:0 0 auto;
    }
    .mid{
      display:inline-flex; align-items:center; gap:8px;
      color:#0b2f4a;
      font-weight:900;
    }
    .mid i{
      width:18px; height:18px; border-radius: 8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(59,130,246,.10);
      border:1px solid rgba(59,130,246,.18);
      color:#1d4ed8;
      flex:0 0 auto;
    }
    .na{
      display:inline-flex; align-items:center; gap:8px;
      color:#4b5563;
      font-weight:900;
    }
    .na i{
      width:18px; height:18px; border-radius: 8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(148,163,184,.16);
      border:1px solid rgba(148,163,184,.22);
      color:#475569;
      flex:0 0 auto;
    }
    .compare-scroll{
      overflow:auto;
    }

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .tab{
      border-radius: 999px;
      padding:9px 12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      color:var(--muted);
      font-weight:900;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease, background .2s ease, color .2s ease;
    }
    .tab[aria-selected="true"]{
      border-color: rgba(21,102,255,.25);
      background: rgba(21,102,255,.10);
      color:#0f3dff;
      box-shadow: 0 14px 30px rgba(21,102,255,.10);
    }
    .tab:hover{transform: translateY(-1px)}
    .tab-panel{
      margin-top:14px;
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }

    .checklist{
      margin:0; padding:0; list-style:none;
      display:grid; gap:10px;
    }
    .checklist li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border:1px solid rgba(17,24,39,.10);
      border-radius: 16px;
      background: rgba(255,255,255,.78);
    }
    .check{
      width:22px; height:22px; border-radius: 10px;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      flex:0 0 auto;
      margin-top:2px;
    }
    .checklist strong{display:block; font-size:13.5px}
    .checklist span{display:block; color:var(--muted); font-size:13px; line-height:1.55; margin-top:3px}

    .side-media{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(21,102,255,.14), transparent 55%),
        radial-gradient(620px 220px at 100% 10%, rgba(124,58,237,.10), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      padding: 14px;
      overflow:hidden;
      position:relative;
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
    }
    .side-media:before{
      content:"";
      position:absolute; left:-80px; bottom:-90px;
      width:240px; height:240px;
      border-radius: 80px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.20), transparent 58%);
      opacity:.7;
      pointer-events:none;
    }
    .side-media .media-title{
      position:relative; z-index:1;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .side-media .media-title strong{font-size:14px; letter-spacing:-.2px}
    .small-note{color:var(--muted2); font-size:12.5px; font-weight:800}
    .list{
      position:relative; z-index:1;
      display:grid; gap:10px;
      margin-top:6px;
    }
    .list .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
    }
    .li .dot2{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, rgba(21,102,255,1), rgba(124,58,237,.92));
      margin-top:6px;
      flex:0 0 auto;
      box-shadow: 0 0 0 4px rgba(21,102,255,.12);
    }
    .li strong{font-size:13.5px; display:block}
    .li span{display:block; color:var(--muted); font-size:13px; line-height:1.55; margin-top:3px}

    .faq{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    details{
      border:1px solid rgba(17,24,39,.10);
      border-radius: 16px;
      background: rgba(255,255,255,.80);
      box-shadow: 0 10px 20px rgba(16,24,40,.05);
      padding: 10px 12px;
      margin-bottom: 10px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
    }
    details[open]{border-color: rgba(21,102,255,.22); box-shadow: 0 16px 34px rgba(16,24,40,.10)}
    summary{
      cursor:pointer;
      font-weight:950;
      color:var(--text);
      padding: 10px 2px;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      color:var(--muted2);
      font-size:12.5px;
      font-weight:900;
      white-space:nowrap;
      display:flex; align-items:center; gap:10px;
    }
    .chev{
      width:18px; height:18px; flex:0 0 auto;
      border-radius: 8px;
      border:1px solid rgba(17,24,39,.10);
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,255,255,.8);
      transition: transform .22s ease, border-color .2s ease, background .2s ease;
    }
    details[open] .chev{transform: rotate(180deg); border-color: rgba(21,102,255,.25); background: rgba(21,102,255,.08)}
    .faq-answer{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
      padding: 0 2px 12px 2px;
    }

    .faq-side{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(135deg, rgba(21,102,255,.08), rgba(124,58,237,.06)),
        rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding: 14px;
      overflow:hidden;
      position:relative;
    }
    .faq-side:after{
      content:"";
      position:absolute;
      right:-120px; top:-100px;
      width:260px; height:260px;
      border-radius: 100px;
      background: radial-gradient(circle at 30% 30%, rgba(21,102,255,.18), transparent 58%);
      opacity:.75;
      pointer-events:none;
    }
    .faq-side-inner{position:relative; z-index:1}
    .faq-side h3{margin:0 0 8px 0; font-size:14.5px}
    .muted{color:var(--muted)}
    .network{
      display:grid; gap:10px; margin-top:10px;
    }
    .net-item{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      border-radius: 16px;
      padding: 12px 12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .net-item .badge-mini{
      width:36px; height:36px; border-radius: 16px;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      flex:0 0 auto;
      margin-top:2px;
    }
    .net-item strong{display:block; font-size:13.5px}
    .net-item span{display:block; color:var(--muted); font-size:13px; line-height:1.6; margin-top:3px}

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      padding:16px 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 12px 26px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height: 196px;
    }
    .review:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(21,102,255,.22)}
    .review .rtop{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(21,102,255,.14), rgba(124,58,237,.12));
      border:1px solid rgba(21,102,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      font-weight:950;
    }
    .rmeta strong{display:block; font-size:13.5px}
    .rmeta span{display:block; color:var(--muted2); font-size:12.5px; margin-top:3px}
    .review .text{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
      margin:0;
    }

    .case-grid{
      display:grid; gap:14px;
      grid-template-columns: 1fr 1fr;
      align-items:start;
    }
    .case-list{
      display:grid;
      gap:10px;
    }
    .case-item{
      padding:14px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
      display:flex; gap:12px; align-items:flex-start;
    }
    .case-item:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(21,102,255,.22)}
    .case-item .mini{
      width:42px; height:42px; border-radius: 18px;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      flex:0 0 auto;
    }
    .case-item strong{display:block; font-size:13.8px; letter-spacing:-.2px}
    .case-item span{display:block; color:var(--muted); font-size:13.2px; line-height:1.6; margin-top:4px}
    .case-media{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      padding: 14px;
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
    }
    .case-media h3{margin:0 0 10px 0; font-size:14.5px}
    .poster-grid{
      display:grid; gap:10px;
      grid-template-columns: 1fr 1fr;
    }
    .poster{
      border-radius: 16px;
      overflow:hidden;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
    }
    .poster .imgbox{
      aspect-ratio: 16 / 10;
      width:100%;
      background: linear-gradient(135deg, rgba(21,102,255,.10), rgba(124,58,237,.08));
      display:flex; align-items:center; justify-content:center;
      position:relative;
    }
    .poster .imgbox:before{
      content:"";
      position:absolute; inset:0;
      background:
        radial-gradient(circle at 15% 20%, rgba(21,102,255,.22), transparent 45%),
        radial-gradient(circle at 85% 30%, rgba(124,58,237,.18), transparent 50%);
      opacity:.75;
    }
    .poster .imgbox span{
      position:relative; z-index:1;
      font-weight:950; color: rgba(20,22,28,.78);
      font-size:12.5px;
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      backdrop-filter: blur(6px);
      max-width: 80%;
      text-align:center;
      line-height:1.35;
    }
    .poster .cap{
      padding:10px 10px 12px 10px;
    }
    .poster .cap strong{display:block; font-size:13.2px}
    .poster .cap span{display:block; color:var(--muted); font-size:12.8px; line-height:1.5; margin-top:4px}

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:grid; gap:10px;
    }
    .article-item{
      padding:14px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      transition: transform .18s ease, box-shadow .18s ease, border-color .2s ease;
    }
    .article-item:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(21,102,255,.22)}
    .article-item a{
      display:block;
      font-weight:950;
      color:var(--text);
      letter-spacing:-.2px;
      margin-bottom:6px;
      line-height:1.35;
      font-size:14px;
    }
    .meta-row{
      display:flex; gap:10px; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12.5px;
      font-weight:800;
    }
    .meta-row .sep{opacity:.5}
    .read-more{
      margin-top:10px;
      display:flex; align-items:center; justify-content:space-between;
      color:var(--muted);
      font-size:13px;
      font-weight:900;
    }
    .arrow{
      width:30px; height:30px; border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      transition: transform .18s ease;
    }
    .article-item:hover .arrow{transform: translateX(2px)}

    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(900px 320px at 0% 0%, rgba(21,102,255,.14), transparent 55%),
        radial-gradient(680px 280px at 100% 0%, rgba(124,58,237,.10), transparent 58%),
        rgba(255,255,255,.74);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .form-card:after{
      content:"";
      position:absolute; left:-120px; bottom:-120px;
      width:240px; height:240px;
      border-radius: 90px;
      background: radial-gradient(circle at 30% 30%, rgba(0,194,255,.18), transparent 58%);
      opacity:.75;
      pointer-events:none;
    }
    .form-inner{position:relative; z-index:1}
    form .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      display:block;
      font-weight:900;
      font-size:12.5px;
      color:var(--muted);
      margin: 8px 0 6px 0;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.86);
      color: var(--text);
      font-size:14px;
      outline:none;
      transition: box-shadow .15s ease, border-color .2s ease, transform .15s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(21,102,255,.35);
      box-shadow: 0 0 0 4px rgba(21,102,255,.18);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .fineprint{
      color:var(--muted2);
      font-size:12.5px;
      font-weight:800;
      line-height:1.45;
      max-width: 52ch;
    }
    .form-actions .btn-primary{padding:12px 14px}

    .network-steps{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .network-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding: 14px;
      overflow:hidden;
      position:relative;
    }
    .network-card:before{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(600px 240px at 20% 0%, rgba(21,102,255,.16), transparent 56%);
      opacity:.6; pointer-events:none;
    }
    .network-card .inner{position:relative; z-index:1}
    .network-card h3{margin:0 0 10px 0; font-size:14.5px}
    .timeline{
      display:grid; gap:10px;
    }
    .titem{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
    }
    .ticon{
      width:36px; height:36px; border-radius: 16px;
      background: rgba(21,102,255,.10);
      border:1px solid rgba(21,102,255,.18);
      color: var(--accent);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .titem strong{display:block; font-size:13.5px}
    .titem span{display:block; color:var(--muted); font-size:13px; line-height:1.6; margin-top:3px}

    .price-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .price-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.60));
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding: 14px;
      overflow:hidden;
      position:relative;
    }
    .price-card:after{
      content:"";
      position:absolute; right:-100px; top:-120px;
      width:240px; height:240px;
      border-radius: 90px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.16), transparent 58%);
      opacity:.75; pointer-events:none;
    }
    .price-card .inner{position:relative; z-index:1}
    .price-card h3{margin:0 0 6px 0; font-size:14.5px}
    .price-card p{margin:0 0 12px 0; color:var(--muted); font-size:13.2px; line-height:1.65}
    .price{
      display:flex; align-items:baseline; gap:8px; flex-wrap:wrap;
      margin: 10px 0 6px 0;
    }
    .price strong{font-size:26px; letter-spacing:-.6px}
    .price span{color:var(--muted2); font-weight:900; font-size:13px}
    .price-list{
      margin:0; padding:0; list-style:none;
      display:grid; gap:8px;
    }
    .price-list li{
      color:var(--muted);
      font-size:13.2px;
      line-height:1.55;
      display:flex; align-items:flex-start; gap:10px;
    }
    .tick{
      width:18px; height:18px; border-radius: 8px;
      border:1px solid rgba(21,102,255,.20);
      background: rgba(21,102,255,.10);
      display:flex; align-items:center; justify-content:center;
      color: var(--accent);
      flex:0 0 auto;
      margin-top:2px;
    }

    .footer{
      background: linear-gradient(180deg, #ffffff 0%, #f7f8ff 100%);
      border-top:1px solid rgba(17,24,39,.08);
      padding: 22px 0 10px 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .footer-brand img{
      width:44px; height:44px; object-fit:contain; border-radius: 16px;
      background: linear-gradient(135deg, rgba(21,102,255,.14), rgba(124,58,237,.10));
      border:1px solid rgba(21,102,255,.18);
      padding:8px;
    }
    .footer-brand strong{display:block; font-size:15px}
    .footer-brand span{display:block; color:var(--muted); font-size:13px; line-height:1.6; margin-top:6px}
    .footer-links{
      display:grid; gap:10px;
    }
    .footer-links .h{
      font-weight:950; color:var(--text); font-size:13.5px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .friend{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .friend a{
      font-size:12.5px;
      font-weight:900;
      color: var(--muted);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      padding: 9px 10px;
      border-radius: 999px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .friend a:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(16,24,40,.10); border-color: rgba(21,102,255,.22); color:var(--text)}
    .copy{
      margin-top:14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:var(--muted2);
      font-weight:900;
      font-size:12.5px;
      padding-top: 14px;
      border-top:1px dashed rgba(17,24,39,.14);
    }
    .copy a{color:var(--muted2)}
    .copy a:hover{color:var(--text)}

    .float-contact{
      position:fixed;
      right:14px;
      bottom: 16px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.10);
      padding: 10px 12px;
      display:flex; align-items:center; gap:10px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
      user-select:none;
    }
    .float-btn:hover{transform: translateY(-2px); border-color: rgba(21,102,255,.22)}
    .float-btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus)}
    .float-qr{
      width: 210px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.90);
      box-shadow: 0 18px 50px rgba(16,24,40,.16);
      overflow:hidden;
      display:none;
    }
    .float-qr.open{display:block; animation: pop .22s ease}
    @keyframes pop{
      from{opacity:.4; transform: translateY(8px)}
      to{opacity:1; transform: translateY(0)}
    }
    .qr-top{
      padding: 10px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .qr-top strong{font-size:13px}
    .qr-top button{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      border-radius: 12px;
      padding: 6px 8px;
      font-weight:950;
      cursor:pointer;
    }
    .qr-body{
      padding: 12px;
      display:flex; flex-direction:column; gap:10px; align-items:center;
    }
    .qr-body img{
      width: 164px; height:auto;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
    }
    .qr-body .hint{
      color:var(--muted);
      font-weight:900;
      font-size:12.5px;
      text-align:center;
      line-height:1.45;
    }
    .backtop{
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.10);
      width:44px; height:44px;
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .2s ease;
      user-select:none;
    }
    .backtop:hover{transform: translateY(-2px); border-color: rgba(21,102,255,.22)}
    .backtop:focus{outline:none; box-shadow: 0 0 0 4px var(--focus)}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .nav-links{display:none}
      .hamburger{display:inline-flex}
      .mobile-menu{display:block}
      .hero-grid{grid-template-columns: 1fr; }
      .metric-grid{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr; }
      .flow{grid-template-columns: 1fr 1fr; }
      .faq{grid-template-columns: 1fr; }
      .reviews{grid-template-columns: 1fr; }
      .case-grid{grid-template-columns: 1fr; }
      .articles{grid-template-columns: 1fr; }
      form .row{grid-template-columns: 1fr;}
      .tab-panel{grid-template-columns: 1fr; }
      .network-steps{grid-template-columns: 1fr; }
      .price-grid{grid-template-columns: 1fr; }
      .footer-grid{grid-template-columns: 1fr; }
      .float-contact{right:10px; bottom:10px}
      .float-qr{width: 200px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card,.metric,.article-item,.case-item,.review{transition:none}
      .float-qr.open{animation:none}
    }