:root{
      --bg0:#fff7fb;
      --bg1:#f6f4ff;
      --card:#ffffff;
      --text:#13131a;
      --muted:#5a5a6a;
      --line:rgba(19,19,26,.10);
      --shadow: 0 14px 40px rgba(20,10,50,.10);
      --shadow2: 0 10px 24px rgba(20,10,50,.10);
      --shadow3: 0 6px 14px rgba(20,10,50,.10);
      --radius: 18px;

      --p1:#ff2d7a;
      --p2:#7c3aed;
      --p3:#06b6d4;
      --p4:#f59e0b;

      --gradA: linear-gradient(135deg, rgba(255,45,122,.95), rgba(124,58,237,.95) 55%, rgba(6,182,212,.85));
      --gradB: linear-gradient(135deg, rgba(255,45,122,.14), rgba(124,58,237,.12) 50%, rgba(6,182,212,.10));
      --gradC: linear-gradient(180deg, rgba(124,58,237,.12), rgba(6,182,212,.08));
      --focus: 0 0 0 4px rgba(255,45,122,.20);
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 700px at 15% 0%, rgba(255,45,122,.14), transparent 55%),
        radial-gradient(900px 650px at 90% 10%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(800px 600px at 50% 90%, rgba(6,182,212,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
    }

    a{color:inherit}
    .container{
      width:100%;
      max-width:1140px;
      margin:0 auto;
      padding:0 20px;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,247,251,.70);
      border-bottom: 1px solid rgba(19,19,26,.06);
    }

    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }

    .ai-page-logo{
      width:40px;
      height:auto;
      border-radius:12px;
      background: rgba(255,255,255,.7);
      padding:8px;
      box-shadow: 0 8px 18px rgba(124,58,237,.14);
      border: 1px solid rgba(19,19,26,.08);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
    }

    nav{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex;
      gap:14px;
      align-items:center;
      flex-wrap:wrap;
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:rgba(19,19,26,.78);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.55);
      border-color: rgba(19,19,26,.10);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      gap:10px;
      align-items:center;
    }

    .btn{
      appearance:none;
      border:0;
      cursor:pointer;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      font-weight:650;
      letter-spacing:.2px;
      font-size:14px;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
      user-select:none;
      white-space:nowrap;
    }

    .btn-primary{
      color:#fff;
      background: var(--gradA);
      box-shadow: 0 18px 45px rgba(255,45,122,.25);
    }
    .btn-primary:hover{transform: translateY(-1px); box-shadow: 0 22px 58px rgba(255,45,122,.28)}
    .btn-primary:focus{outline:none; box-shadow: var(--focus), 0 22px 58px rgba(255,45,122,.25)}

    .btn-ghost{
      color:rgba(19,19,26,.86);
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(19,19,26,.10);
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
    }
    .btn-ghost:hover{transform: translateY(-1px); background: rgba(255,255,255,.78)}
    .btn-ghost:focus{outline:none; box-shadow: var(--focus), 0 10px 22px rgba(20,10,50,.08)}

    .icon-dot{
      width:10px;height:10px;border-radius:999px;background:#fff; box-shadow:0 0 0 4px rgba(255,255,255,.18);
      opacity:.95;
    }

    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition: transform .16s ease, background .16s ease;
    }
    .menu-toggle:hover{transform: translateY(-1px); background: rgba(255,255,255,.78)}
    .menu-toggle:focus{outline:none; box-shadow: var(--focus)}
    .hamb{
      width:18px;height:12px; position:relative;
    }
    .hamb span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px; background: rgba(19,19,26,.82);
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamb span:nth-child(1){top:0}
    .hamb span:nth-child(2){top:5px}
    .hamb span:nth-child(3){top:10px}

    .mobile-panel{
      display:none;
      padding:0 0 14px 0;
    }
    .mobile-panel .panel-inner{
      border:1px solid rgba(19,19,26,.10);
      border-radius:18px;
      background: rgba(255,255,255,.62);
      box-shadow: 0 16px 40px rgba(20,10,50,.10);
      overflow:hidden;
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 14px;
      text-decoration:none;
      border-bottom:1px solid rgba(19,19,26,.08);
      font-size:14px;
      color:rgba(19,19,26,.86);
    }
    .mobile-panel a:last-child{border-bottom:0}
    .chev{
      width:8px;height:8px;border-right:2px solid rgba(19,19,26,.60); border-top:2px solid rgba(19,19,26,.60);
      transform: rotate(45deg);
      opacity:.9;
    }

    main{padding-bottom: 44px}

    .hero{
      padding:34px 0 18px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:18px;
      align-items:stretch;
    }

    .hero-card{
      border-radius: 26px;
      background:
        radial-gradient(850px 420px at 0% 0%, rgba(255,45,122,.24), transparent 55%),
        radial-gradient(700px 460px at 80% 20%, rgba(124,58,237,.22), transparent 60%),
        radial-gradient(650px 420px at 60% 95%, rgba(6,182,212,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.55));
      border: 1px solid rgba(19,19,26,.10);
      box-shadow: var(--shadow);
      padding: 26px 22px;
      position:relative;
      overflow:hidden;
      min-height: 360px;
    }

    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        conic-gradient(from 210deg, rgba(255,45,122,.0), rgba(255,45,122,.26), rgba(124,58,237,.24), rgba(6,182,212,.20), rgba(255,45,122,.0));
      opacity:.35;
      filter: blur(18px);
      transform: translateY(-20px);
      pointer-events:none;
    }

    .hero-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:14px;
      height:100%;
    }

    .badge-row{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:4px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius: 999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.65);
      box-shadow: 0 12px 30px rgba(20,10,50,.06);
      font-size:13px;
      color:rgba(19,19,26,.86);
    }
    .badge .spark{
      width:18px;height:18px;border-radius:8px;
      background: var(--gradA);
      box-shadow: 0 12px 30px rgba(255,45,122,.20);
      position:relative;
    }
    .badge .spark:after{
      content:"";
      position:absolute; inset:5px;
      border-radius:999px;
      background: rgba(255,255,255,.9);
      opacity:.92;
    }

    h1{
      margin:0;
      font-size: 34px;
      letter-spacing: -0.8px;
      line-height:1.15;
    }

    .hero-lead{
      color: rgba(19,19,26,.76);
      font-size:15px;
      line-height:1.7;
      max-width: 60ch;
      margin-top:2px;
    }

    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:2px;
    }

    .meta-strip{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:auto;
      padding-top:10px;
      align-items:stretch;
    }

    .mini-metric{
      flex: 1 1 160px;
      min-width: 160px;
      border-radius: 18px;
      border: 1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      padding:12px 12px;
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .mini-metric:hover{transform: translateY(-2px); box-shadow: 0 18px 36px rgba(20,10,50,.10)}
    .mini-metric b{display:block; font-size:18px; letter-spacing:-.3px}
    .mini-metric span{display:block; font-size:12.5px; color:var(--muted); margin-top:6px; line-height:1.35}

    .hero-side{
      display:flex;
      flex-direction:column;
      gap:14px;
    }

    .side-card{
      border-radius: 26px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(19,19,26,.10);
      box-shadow: var(--shadow2);
      padding: 18px 16px;
      position:relative;
      overflow:hidden;
    }
    .side-card:after{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(420px 200px at 0% 0%, rgba(255,45,122,.20), transparent 55%);
      pointer-events:none;
    }

    .side-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-title{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
      line-height:1.3;
    }

    .pill{
      display:inline-flex;
      gap:8px;
      align-items:center;
      padding:8px 10px;
      border-radius:999px;
      background: var(--gradB);
      border:1px solid rgba(19,19,26,.10);
      font-size:12.5px;
      color:rgba(19,19,26,.78);
      white-space:nowrap;
    }
    .pill i{
      width:10px;height:10px;border-radius:999px;background: var(--p3);
      box-shadow:0 0 0 4px rgba(6,182,212,.16);
      display:inline-block;
    }

    .steps{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      padding-top:4px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      transition: transform .18s ease, background .18s ease;
    }
    .step:hover{transform: translateY(-2px); background: rgba(255,255,255,.72)}
    .step-num{
      width:34px;height:34px;border-radius:14px;
      background: var(--gradA);
      color:#fff;
      display:flex; align-items:center; justify-content:center;
      font-weight:800;
      box-shadow: 0 16px 34px rgba(255,45,122,.22);
      flex:0 0 auto;
    }
    .step-body b{display:block; font-size:13.5px}
    .step-body span{display:block; font-size:12.5px; color:var(--muted); margin-top:5px; line-height:1.45}

    .network-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      align-items:stretch;
    }
    .net-item{
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      transition: transform .18s ease;
      display:flex;
      flex-direction:column;
      gap:7px;
    }
    .net-item:hover{transform: translateY(-2px)}
    .net-item .k{
      font-size:12.5px;
      color:rgba(19,19,26,.74);
      display:flex;
      align-items:center;
      gap:8px;
    }
    .net-item .k em{
      width:10px;height:10px;border-radius:999px;background: var(--p1);
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(255,45,122,.16);
    }
    .net-item b{font-size:15px; letter-spacing:-.2px}

    .section{
      padding: 22px 0;
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:14px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.5px;
      line-height:1.25;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.6;
      max-width: 60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(19,19,26,.10);
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
      padding: 16px 14px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
      overflow:hidden;
      position:relative;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(20,10,50,.10);
      background: rgba(255,255,255,.74);
    }

    .card:after{
      content:"";
      position:absolute;
      right:-40px; top:-40px;
      width:120px; height:120px;
      border-radius: 40px;
      background: radial-gradient(circle at 30% 30%, rgba(255,45,122,.28), transparent 60%);
      transform: rotate(15deg);
      opacity:.75;
      pointer-events:none;
    }

    .card .title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      position:relative;
    }
    .card .title b{
      font-size:15px;
      letter-spacing:-.2px;
      line-height:1.2;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.60);
      color: rgba(19,19,26,.78);
      font-size:12.5px;
      white-space:nowrap;
      position:relative;
    }
    .chip i{
      width:10px;height:10px;border-radius:999px;
      background: var(--p2);
      box-shadow:0 0 0 4px rgba(124,58,237,.16);
      display:inline-block;
    }

    .card .desc{
      color: var(--muted);
      margin-top:10px;
      font-size:13.5px;
      line-height:1.6;
      position:relative;
      min-height: 44px;
    }

    .list{
      margin:10px 0 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:9px;
      position:relative;
    }
    .list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size:13.2px;
      color:rgba(19,19,26,.80);
      line-height:1.55;
    }
    .tick{
      width:18px;height:18px; border-radius:8px;
      background: var(--gradB);
      border:1px solid rgba(19,19,26,.10);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .tick svg{display:block}
    .tick path{fill: rgba(255,45,122,.9)}

    .compare-wrap{
      border-radius: 22px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(19,19,26,.10);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-top{
      padding:16px 14px;
      border-bottom:1px solid rgba(19,19,26,.08);
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      background:
        radial-gradient(700px 220px at 0% 0%, rgba(255,45,122,.14), transparent 60%),
        radial-gradient(600px 220px at 90% 0%, rgba(124,58,237,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.52));
    }
    .compare-top .left b{
      display:block;
      font-size:16px;
      letter-spacing:-.3px;
      margin-bottom:6px;
    }
    .score-badge{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:6px;
    }
    .stars{
      display:flex;
      gap:5px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .star{
      width:18px;height:18px;
      background: var(--gradA);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 10px 20px rgba(255,45,122,.22);
    }
    .score-badge span{
      font-weight:800;
      font-size:14px;
      color: rgba(19,19,26,.85);
    }

    .compare-table{
      width:100%;
      border-collapse: collapse;
      font-size:14px;
      color:rgba(19,19,26,.86);
      table-layout:fixed;
    }
    .compare-table th, .compare-table td{
      padding:12px 12px;
      border-bottom:1px solid rgba(19,19,26,.08);
      vertical-align:top;
    }
    .compare-table th{
      text-align:left;
      color: rgba(19,19,26,.74);
      font-weight:750;
      background: rgba(255,255,255,.55);
    }
    .compare-table td{
      color: rgba(19,19,26,.88);
    }
    .cell-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      font-size:13px;
      line-height:1;
      margin:3px 0;
      white-space:nowrap;
    }
    .cell-tag i{
      width:10px;height:10px;border-radius:999px;
      display:inline-block;
      background: var(--p3);
      box-shadow:0 0 0 4px rgba(6,182,212,.16);
    }
    .cell-tag.alt i{background: var(--p1); box-shadow:0 0 0 4px rgba(255,45,122,.16)}
    .cell-tag.warn i{background: var(--p4); box-shadow:0 0 0 4px rgba(245,158,11,.18)}
    .muted{
      color: var(--muted);
      font-size:13.2px;
      line-height:1.55;
    }

    .timeline{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .tl-item{
      display:grid;
      grid-template-columns: 22px 1fr;
      gap:12px;
      align-items:flex-start;
    }
    .tl-line{
      width:22px;
      display:flex;
      justify-content:center;
      padding-top:8px;
    }
    .tl-line:before{
      content:"";
      width:10px;
      height:10px;
      border-radius: 999px;
      background: var(--gradA);
      box-shadow: 0 12px 24px rgba(255,45,122,.22);
      border:1px solid rgba(255,255,255,.5);
    }
    .tl-line:after{
      content:"";
      position:absolute;
      width:2px;
      height:calc(100% - 20px);
      background: linear-gradient(180deg, rgba(255,45,122,.35), rgba(124,58,237,.18));
      opacity:.35;
    }
    .tl-dotWrap{
      position:relative;
      min-height: 44px;
    }
    .tl-body{
      border-radius:18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
      box-shadow: 0 10px 22px rgba(20,10,50,.05);
    }
    .tl-body b{display:block; font-size:14px; letter-spacing:-.2px}
    .tl-body span{display:block; margin-top:6px; font-size:13.2px; color:var(--muted); line-height:1.55}

    .services-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }
    .model-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
      position:relative;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 10px;
      border-radius: 999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.58);
      font-size:13px;
      color: rgba(19,19,26,.82);
      transition: transform .16s ease, background .16s ease;
      white-space:nowrap;
    }
    .tag:hover{transform: translateY(-2px); background: rgba(255,255,255,.76)}
    .tag i{
      width:10px;height:10px;border-radius:999px;background: var(--p2);
      box-shadow:0 0 0 4px rgba(124,58,237,.16);
      display:inline-block;
      opacity:.95;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .case-card{
      padding:14px 14px;
      border-radius: 20px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(19,19,26,.10);
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .case-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(20,10,50,.10);
      background: rgba(255,255,255,.76);
    }
    .case-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .case-title b{display:block; font-size:14.5px; letter-spacing:-.2px}
    .case-title span{display:block; margin-top:6px; font-size:12.8px; color:var(--muted); line-height:1.4}
    .case-kpi{
      text-align:right;
      min-width: 92px;
    }
    .case-kpi b{display:block; font-size:16px}
    .case-kpi span{display:block; margin-top:6px; font-size:12.5px; color:var(--muted)}
    .case-list{
      margin:0;
      padding-left: 18px;
      color: rgba(19,19,26,.82);
      font-size:13.2px;
      line-height:1.65;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .article{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
      padding:14px 14px;
      transition: transform .18s ease, background .18s ease;
      position:relative;
      overflow:hidden;
    }
    .article:after{
      content:"";
      position:absolute; inset:auto -40px -40px auto;
      width:120px; height:120px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.22), transparent 60%);
      opacity:.75;
      pointer-events:none;
      transform: rotate(10deg);
    }
    .article:hover{transform: translateY(-2px); background: rgba(255,255,255,.76)}
    .article a{
      text-decoration:none;
      display:block;
      color:inherit;
      position:relative;
    }
    .article h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
      line-height:1.4;
    }
    .article .meta{
      margin-top:8px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      color:var(--muted);
      font-size:12.8px;
      position:relative;
    }
    .article .meta span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      border-radius: 999px;
    }
    .article .desc{
      margin-top:10px;
      color: rgba(19,19,26,.74);
      font-size:13.3px;
      line-height:1.65;
      position:relative;
    }

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    form{
      display:flex;
      flex-direction:column;
      gap:10px;
      height:100%;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:7px;
    }
    label{
      font-size:13px;
      color: rgba(19,19,26,.80);
      font-weight:650;
      letter-spacing:.1px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius: 14px;
      border:1px solid rgba(19,19,26,.12);
      background: rgba(255,255,255,.68);
      color: rgba(19,19,26,.90);
      outline:none;
      font-size:14px;
      transition: box-shadow .16s ease, border-color .16s ease, background .16s ease;
    }
    textarea{min-height:120px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(255,45,122,.35);
      background: rgba(255,255,255,.84);
    }
    .form-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:4px;
    }
    .fineprint{
      color: var(--muted);
      font-size:12.6px;
      line-height:1.6;
      margin:0;
    }

    .faq{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .faq-item{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 10px 22px rgba(20,10,50,.05);
      overflow:hidden;
      transition: transform .18s ease, background .18s ease;
    }
    .faq-item:hover{transform: translateY(-1px); background: rgba(255,255,255,.76)}
    .faq-q{
      width:100%;
      background: transparent;
      border:0;
      cursor:pointer;
      padding:14px 14px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      text-align:left;
      font-size:14.5px;
      font-weight:750;
      letter-spacing:-.2px;
    }
    .faq-q:focus{outline:none; box-shadow: var(--focus); border-radius:16px}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .faq-a-inner{
      padding:0 14px 14px 14px;
      color: rgba(19,19,26,.76);
      font-size:13.5px;
      line-height:1.7;
    }
    .faq-icon{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.60);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      position:relative;
    }
    .plus{
      width:14px;height:14px; position:relative;
    }
    .plus:before,.plus:after{
      content:"";
      position:absolute; left:50%; top:50%;
      width:14px; height:2px; background: rgba(19,19,26,.75);
      transform: translate(-50%,-50%);
      border-radius:2px;
      transition: transform .22s ease, opacity .22s ease;
    }
    .plus:after{
      width:2px; height:14px;
    }
    .faq-item[data-open="true"] .faq-a{max-height: 260px}
    .faq-item[data-open="true"] .plus:after{opacity:0; transform: translate(-50%,-50%) scale(.8)}

    .cloud-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:8px;
    }
    .statbar{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:10px;
      margin-top:12px;
    }
    .stat{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
      box-shadow: 0 10px 22px rgba(20,10,50,.05);
    }
    .stat b{display:block; font-size:16px; letter-spacing:-.2px}
    .stat span{display:block; margin-top:6px; color:var(--muted); font-size:12.7px; line-height:1.4}

    .price-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:stretch;
    }
    .price-tabs{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:8px;
    }
    .tab{
      cursor:pointer;
      border-radius:999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:9px 12px;
      font-size:13px;
      color: rgba(19,19,26,.80);
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
      user-select:none;
      white-space:nowrap;
    }
    .tab:hover{transform: translateY(-1px); background: rgba(255,255,255,.76)}
    .tab[aria-selected="true"]{
      background: var(--gradB);
      border-color: rgba(255,45,122,.25);
      box-shadow: 0 12px 28px rgba(255,45,122,.12);
      color: rgba(19,19,26,.92);
      font-weight:750;
    }

    .price-box{
      border-radius: 22px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(19,19,26,.10);
      box-shadow: var(--shadow2);
      padding:16px 14px;
    }
    .price-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:12px;
    }
    .price-item{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
    }
    .price-item b{display:block; font-size:14.5px}
    .price-item .num{
      margin-top:8px;
      display:flex;
      align-items:baseline;
      gap:8px;
      flex-wrap:wrap;
    }
    .price-item .num strong{
      font-size:22px;
      letter-spacing:-.6px;
    }
    .price-item .num span{
      color:var(--muted);
      font-size:12.6px;
      line-height:1.4;
    }
    .price-hint{
      margin-top:10px;
      color: rgba(19,19,26,.72);
      font-size:13.2px;
      line-height:1.6;
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .maplike{
      border-radius: 22px;
      border:1px solid rgba(19,19,26,.10);
      background:
        radial-gradient(600px 280px at 20% 0%, rgba(255,45,122,.18), transparent 60%),
        radial-gradient(620px 300px at 90% 20%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(420px 250px at 50% 100%, rgba(6,182,212,.14), transparent 55%),
        rgba(255,255,255,.58);
      box-shadow: var(--shadow2);
      padding:16px 14px;
      position:relative;
      overflow:hidden;
    }
    .maplike:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        repeating-linear-gradient(90deg, rgba(19,19,26,.06) 0 1px, transparent 1px 36px),
        repeating-linear-gradient(180deg, rgba(19,19,26,.05) 0 1px, transparent 1px 36px);
      opacity:.35;
      pointer-events:none;
    }
    .maplike .content{position:relative}
    .map-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .map-title b{font-size:16px; letter-spacing:-.3px}
    .map-title span{color:var(--muted); font-size:13px; line-height:1.6; display:block; margin-top:6px}
    .nodes{
      margin-top:14px;
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:10px;
      position:relative;
    }
    .node{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
      transition: transform .18s ease;
    }
    .node:hover{transform: translateY(-2px)}
    .node .top{
      display:flex; gap:10px; align-items:center;
    }
    .node .dot{
      width:12px;height:12px;border-radius:999px;
      background: var(--p1);
      box-shadow: 0 0 0 4px rgba(255,45,122,.16);
      flex:0 0 auto;
    }
    .node b{font-size:14px}
    .node span{display:block; margin-top:6px; color:var(--muted); font-size:12.7px; line-height:1.4}

    .two-column{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }

    .join-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:stretch;
    }
    .partner-list{
      margin:12px 0 0 0; padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .partner-list li{
      display:flex; gap:12px; align-items:flex-start;
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:12px 12px;
    }
    .pf{
      width:34px;height:34px;border-radius:14px;
      background: var(--gradB);
      border:1px solid rgba(19,19,26,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .pf svg{display:block}
    .partner-list b{display:block; font-size:14px}
    .partner-list span{display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.55}

    footer{
      background: rgba(255,255,255,.55);
      border-top: 1px solid rgba(19,19,26,.08);
      padding: 18px 0 22px;
      margin-top: 12px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:12px;
      align-items:flex-start;
    }
    .foot-card{
      border-radius: 22px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.65);
      box-shadow: 0 10px 22px rgba(20,10,50,.06);
      padding:16px 14px;
    }
    .foot-top{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      justify-content:space-between;
    }
    .foot-brand{
      display:flex; align-items:center; gap:12px;
    }
    .foot-brand img{
      width:44px;height:auto;border-radius:14px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.72);
      padding:8px;
    }
    .foot-brand b{
      display:block; font-size:15px; letter-spacing:-.2px
    }
    .foot-brand span{
      display:block; margin-top:6px; color:var(--muted); font-size:12.8px; line-height:1.45
    }
    .footer-links{
      margin-top:12px;
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
    }
    .footer-links a{
      text-decoration:none;
      font-size:13px;
      color: rgba(19,19,26,.82);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.58);
      transition: transform .16s ease, background .16s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{transform: translateY(-1px); background: rgba(255,255,255,.78)}
    .copyright{
      margin-top:12px;
      color: var(--muted);
      font-size:12.6px;
      line-height:1.6;
    }
    .foot-side{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .qrcode{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .qrcode img{
      width:110px;height:auto;
      border-radius:18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.65);
      padding:8px;
    }
    .qrcode b{display:block; font-size:14.8px; letter-spacing:-.2px}
    .qrcode span{display:block; margin-top:6px; color:var(--muted); font-size:13px; line-height:1.6}

    .friendship{
      margin-top:12px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .friendship b{
      font-size:13px; color: rgba(19,19,26,.78);
      margin-right:6px;
      white-space:nowrap;
    }

    .floating{
      position:fixed;
      right:16px;
      bottom:18px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 12px;
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 20px 50px rgba(20,10,50,.14);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
      user-select:none;
    }
    .float-btn:hover{transform: translateY(-2px); background: rgba(255,255,255,.86)}
    .float-btn:focus{outline:none; box-shadow: var(--focus)}
    .float-btn .lab{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .float-btn .lab b{font-size:13.8px}
    .float-btn .lab span{font-size:12.2px; color:var(--muted); margin-top:6px}
    .float-icon{
      width:40px;height:40px;border-radius:16px;
      background: var(--gradA);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 40px rgba(255,45,122,.25);
      flex:0 0 auto;
    }
    .float-icon svg{display:block}

    .to-top{
      pointer-events:auto;
      display:flex;
      align-items:center;
      justify-content:center;
      width:46px;height:46px;border-radius:18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 20px 50px rgba(20,10,50,.14);
      cursor:pointer;
      transition: transform .18s ease, background .18s ease;
    }
    .to-top:hover{transform: translateY(-2px); background: rgba(255,255,255,.86)}
    .to-top svg{display:block}

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

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      .hero-card{min-height: unset}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .services-grid{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .price-grid{grid-template-columns: 1fr}
      .network-grid{grid-template-columns: 1fr}
      .two-column{grid-template-columns: 1fr}
      .join-grid{grid-template-columns: 1fr}
      .statbar{grid-template-columns: 1fr 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .nodes{grid-template-columns: 1fr 1fr 1fr}
      nav{display:none}
      .menu-toggle{display:flex}
      .mobile-panel{display:block}
      .mobile-panel[aria-hidden="true"]{display:none}
      .mobile-panel[aria-hidden="false"]{display:block}
    }

    @media (prefers-reduced-motion: reduce){
      .fade-in{transition:none}
      .card, .btn, .tab, .faq-item, .article, .case-card, .mini-metric, .net-item, .node {transition:none}
    }

    table{background:transparent}
    .mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}
    .seg{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-top:8px;
    }
    .seg .seg-item{
      border-radius: 999px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      padding:8px 10px;
      color: rgba(19,19,26,.80);
      font-size:12.8px;
      display:flex; align-items:center; gap:10px;
    }
    .seg .seg-item i{
      width:10px;height:10px;border-radius:999px;background: var(--p4);
      box-shadow:0 0 0 4px rgba(245,158,11,.18);
      display:inline-block;
    }

    .section-visual-cards{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .image-strip{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      align-items:stretch;
    }
    .img-card{
      border-radius: 22px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.62);
      box-shadow: var(--shadow2);
      padding:12px;
      overflow:hidden;
    }
    .img-wrap{
      border-radius: 18px;
      border:1px solid rgba(19,19,26,.10);
      background: rgba(255,255,255,.55);
      overflow:hidden;
    }
    .img-wrap img{
      width:100%;
      max-width:100%;
      height:auto;
      display:block;
      object-fit:contain;
    }
    .img-caption{
      margin-top:10px;
      color: rgba(19,19,26,.78);
      font-size:13.2px;
      line-height:1.6;
    }