:root{
      --bg0:#f7f8fb;
      --bg1:#ffffff;
      --text:#111827;
      --muted:#5b667a;
      --subtle:#7b879b;
      --border:rgba(17,24,39,.12);
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --shadow2:0 6px 18px rgba(17,24,39,.08);
      --ring:rgba(35, 99, 255, .25);
      --brand:#5b7cfa;
      --brand2:#8a5bff;
      --brand3:#00d4ff;
      --good:#16a34a;
      --warn:#f59e0b;
      --danger:#ef4444;
      --card:#ffffff;
      --chip:rgba(91,124,250,.08);
      --chip2:rgba(138,91,255,.08);
      --neonA:rgba(0,212,255,.45);
      --neonB:rgba(138,91,255,.35);
      --neonC:rgba(91,124,250,.35);
      --radius:16px;
      --radius2:22px;
      --container:1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 600px at 20% -10%, rgba(91,124,250,.18), transparent 60%),
        radial-gradient(900px 600px at 90% 0%, rgba(138,91,255,.16), transparent 55%),
        radial-gradient(700px 520px at 60% 15%, rgba(0,212,255,.12), transparent 52%),
        linear-gradient(180deg, #f7f8fb 0%, #ffffff 55%, #f7f8fb 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .skip-link{
      position:absolute; left:-999px; top:auto;
      width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:18px; top:18px; width:auto; height:auto; z-index:9999;
      background:#fff; border:1px solid var(--border); padding:10px 12px; border-radius:10px;
      box-shadow:var(--shadow2);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(247,248,251,.72);
      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:44px; height:44px; border-radius:12px;
      object-fit:contain;
      background: linear-gradient(135deg, rgba(91,124,250,.15), rgba(138,91,255,.12));
      border:1px solid rgba(17,24,39,.10);
      box-shadow:0 12px 30px rgba(91,124,250,.12);
      flex:0 0 auto;
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand-title strong{
      font-size:14px; letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px; color:var(--muted);
    }

    .nav{
      display:flex; align-items:center; gap:18px; justify-content:flex-end;
      flex:1;
      flex-wrap:nowrap;
    }
    .nav a.nav-item{
      font-size:13px; color:var(--muted);
      padding:8px 10px; border-radius:10px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav a.nav-item:hover{
      color:var(--text);
      background: rgba(255,255,255,.72);
      border-color: rgba(17,24,39,.10);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
      margin-left:6px;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      border-radius:14px;
      padding:10px 14px;
      border:1px solid rgba(17,24,39,.12);
      background:#fff;
      color:var(--text);
      box-shadow:0 8px 20px rgba(17,24,39,.06);
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease, background .16s ease;
      font-size:13px;
      white-space:nowrap;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow:0 12px 26px rgba(17,24,39,.10);
      border-color: rgba(91,124,250,.35);
    }
    .btn:active{transform: translateY(0px)}
    .btn-primary{
      border-color: rgba(91,124,250,.35);
      background: linear-gradient(135deg, rgba(91,124,250,.18), rgba(138,91,255,.14));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(260px 90px at 20% 20%, rgba(0,212,255,.35), transparent 60%),
                  radial-gradient(240px 90px at 80% 10%, rgba(138,91,255,.35), transparent 55%);
      opacity:.9;
      pointer-events:none;
      mix-blend-mode: multiply;
    }
    .btn-primary > span, .btn-primary > svg{position:relative; z-index:1}
    .btn-ghost{
      background: rgba(255,255,255,.75);
    }
    .icon{
      width:18px; height:18px; flex:0 0 auto;
    }
    .menu-btn{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.85);
      box-shadow:0 10px 25px rgba(17,24,39,.06);
      cursor:pointer;
      transition: transform .16s ease, border-color .16s ease;
    }
    .menu-btn:hover{transform: translateY(-1px); border-color: rgba(91,124,250,.35);}
    .menu-btn svg{width:20px; height:20px}

    .mobile-drawer{
      display:none;
    }

    main{padding-bottom:28px}

    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(900px 420px at 10% 10%, rgba(0,212,255,.18), transparent 55%),
        radial-gradient(900px 520px at 95% 10%, rgba(138,91,255,.16), transparent 55%),
        radial-gradient(700px 420px at 60% 40%, rgba(91,124,250,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.70));
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
      padding:24px 22px;
      min-height: 330px;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      top:-140px; left:-140px;
      width:320px; height:320px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,212,255,.35), transparent 55%);
      filter: blur(1px);
      opacity:.9;
      pointer-events:none;
    }
    .hero-card::after{
      content:"";
      position:absolute;
      right:-140px; top:-120px;
      width:340px; height:340px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(138,91,255,.34), transparent 55%);
      filter: blur(1px);
      opacity:.9;
      pointer-events:none;
    }
    .hero-topline{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .pill{
      font-size:12px; color:rgba(17,24,39,.82);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      display:inline-flex; align-items:center; gap:8px;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,212,255,.9), rgba(138,91,255,.65));
      box-shadow: 0 0 0 6px rgba(0,212,255,.12);
    }
    .pill2{
      background: linear-gradient(135deg, rgba(91,124,250,.12), rgba(138,91,255,.10));
      border-color: rgba(91,124,250,.22);
    }

    h1{
      position:relative; z-index:1;
      margin:14px 0 8px;
      font-size:30px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-desc{
      position:relative; z-index:1;
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      max-width: 56ch;
    }
    .hero-actions{
      position:relative; z-index:1;
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top:16px;
    }
    .btn-live{
      background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(91,124,250,.18));
      border-color: rgba(0,212,255,.30);
    }
    .sub-action{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      color:var(--muted);
      font-size:13px;
    }
    .sub-action strong{color:var(--text)}
    .hero-rail{
      display:grid;
      grid-template-rows: auto 1fr;
      gap:12px;
    }
    .rail-top{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      padding:16px 16px;
      overflow:hidden;
      position:relative;
      min-height: 150px;
    }
    .rail-top::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(240px 120px at 10% 0%, rgba(0,212,255,.22), transparent 60%),
        radial-gradient(260px 130px at 90% 20%, rgba(138,91,255,.20), transparent 60%);
      opacity:.85;
      pointer-events:none;
    }
    .rail-top > *{position:relative; z-index:1}
    .rail-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .rail-title h2{
      margin:0;
      font-size:14px; color:var(--text);
      letter-spacing:.2px;
    }
    .sig{
      font-size:12px; color:var(--muted);
      padding:6px 10px; border-radius:999px;
      border:1px dashed rgba(17,24,39,.18);
      background: rgba(255,255,255,.5);
      white-space:nowrap;
    }
    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .metric{
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      padding:12px 12px;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      min-height: 78px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 12px 26px rgba(17,24,39,.10);
      border-color: rgba(91,124,250,.28);
    }
    .metric .k{
      font-size:18px; font-weight:800;
      letter-spacing:-.4px;
      margin-bottom:6px;
      background: linear-gradient(90deg, rgba(91,124,250,1), rgba(138,91,255,1));
      -webkit-background-clip:text; background-clip:text; color:transparent;
    }
    .metric .t{
      font-size:12px; color:var(--muted); line-height:1.4;
    }
    .rail-bottom{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .rail-bottom h3{
      margin:0 0 10px;
      font-size:13px;
      color:var(--text);
      letter-spacing:.2px;
    }
    .mini-list{
      display:grid; gap:10px;
    }
    .mini-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    .mini-ic{
      width:30px; height:30px; border-radius:12px;
      background: linear-gradient(135deg, rgba(0,212,255,.16), rgba(138,91,255,.12));
      border:1px solid rgba(0,212,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .mini-item strong{
      display:block; font-size:13px; margin-bottom:2px;
    }
    .mini-item span{
      font-size:12px; color:var(--muted); line-height:1.4;
    }

    section{
      padding:18px 0;
    }
    .section-head{
      display:flex; justify-content:space-between; align-items:flex-end; gap:14px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width: 65ch;
    }
    .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(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(17,24,39,.10);
      border-color: rgba(91,124,250,.26);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .card .tagrow{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top:12px;
    }
    .chip{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      color: rgba(17,24,39,.86);
    }
    .chip.neon1{ background: var(--chip); border-color: rgba(91,124,250,.25); }
    .chip.neon2{ background: var(--chip2); border-color: rgba(138,91,255,.22); }

    .ability-steps{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .step-list{
      display:grid; gap:12px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(0,212,255,.28);
      box-shadow: 0 16px 36px rgba(17,24,39,.10);
    }
    .step-num{
      width:38px; height:38px; border-radius:16px;
      background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(138,91,255,.14));
      border:1px solid rgba(0,212,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.5px;
      flex:0 0 auto;
    }
    .step strong{
      font-size:14px; display:block; margin-bottom:6px;
    }
    .step span{
      font-size:13px; color:var(--muted); line-height:1.75;
      display:block;
    }

    .table-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .table-top{
      padding:14px 16px;
      border-bottom:1px solid rgba(17,24,39,.08);
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .table-top .score{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      filter: drop-shadow(0 10px 18px rgba(245,158,11,.20));
    }
    .score .big{
      font-size:22px; font-weight:900; letter-spacing:-.4px;
      background: linear-gradient(90deg, rgba(245,158,11,1), rgba(239,68,68,1));
      -webkit-background-clip:text; background-clip:text; color:transparent;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 860px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      font-size:13px;
      vertical-align:top;
    }
    th{
      text-align:left;
      color: rgba(17,24,39,.88);
      background: linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.65));
      font-weight:800;
    }
    td{
      color: var(--muted);
    }
    .td-title{
      color:var(--text);
      font-weight:700;
    }
    .check{
      color: rgba(22,163,74,1);
      font-weight:800;
    }
    .dash{
      color: rgba(91,102,122,.9);
      font-weight:700;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    details.faq{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      overflow:hidden;
      transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease;
    }
    details.faq[open]{
      border-color: rgba(91,124,250,.28);
      box-shadow: 0 16px 36px rgba(17,24,39,.10);
      transform: translateY(-1px);
    }
    details.faq summary{
      cursor:pointer;
      list-style:none;
      padding:14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .faq-q{
      font-weight:800; font-size:14px; letter-spacing:-.2px; color:var(--text);
      line-height:1.45;
    }
    .faq-ic{
      width:26px; height:26px; border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
    }
    details.faq[open] .faq-ic{ transform: rotate(45deg); border-color: rgba(0,212,255,.28); }
    .faq-a{
      padding:0 16px 14px;
      color:var(--muted);
      font-size:13px; line-height:1.85;
    }
    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .review-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
      overflow:hidden;
      position:relative;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      min-height: 178px;
    }
    .review-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(17,24,39,.10);
      border-color: rgba(138,91,255,.26);
    }
    .review-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(260px 120px at 20% 0%, rgba(0,212,255,.16), transparent 60%),
        radial-gradient(260px 120px at 90% 10%, rgba(138,91,255,.15), transparent 60%);
      opacity:.7;
      pointer-events:none;
    }
    .review-card > *{position:relative; z-index:1}
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(91,124,250,.18), rgba(138,91,255,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(17,24,39,.88);
    }
    .review-role{
      display:flex; flex-direction:column; line-height:1.25;
    }
    .review-role strong{font-size:13px}
    .review-role span{font-size:12px; color:var(--muted)}
    .review-text{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .case-hero{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
      position:relative;
      overflow:hidden;
    }
    .case-hero::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 220px at 10% 0%, rgba(0,212,255,.18), transparent 60%),
        radial-gradient(420px 220px at 90% 0%, rgba(138,91,255,.16), transparent 60%);
      opacity:.75;
      pointer-events:none;
    }
    .case-hero > *{position:relative; z-index:1}
    .case-hero h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .case-bullets{
      display:grid; gap:10px;
      margin-top:10px;
    }
    .bullet{
      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,.72);
    }
    .bullet .b-ic{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(0,212,255,.20);
      background: linear-gradient(135deg, rgba(0,212,255,.16), rgba(91,124,250,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .bullet strong{display:block; font-size:13px; margin-bottom:4px}
    .bullet span{display:block; font-size:12px; color:var(--muted); line-height:1.7}

    .case-list{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .case-list h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .case-item{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
      margin-bottom:10px;
    }
    .case-item:last-child{margin-bottom:0}
    .case-item:hover{
      transform: translateY(-2px);
      border-color: rgba(91,124,250,.28);
      box-shadow: 0 16px 34px rgba(17,24,39,.10);
    }
    .case-item .left strong{
      display:block; font-size:13px; margin-bottom:4px;
    }
    .case-item .left span{
      display:block; font-size:12px; color:var(--muted); line-height:1.65;
      max-width: 32ch;
    }
    .badge{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(91,124,250,.12), rgba(138,91,255,.10));
      white-space:nowrap;
      color: rgba(17,24,39,.86);
      flex:0 0 auto;
    }

    .showcase-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .show-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      overflow:hidden;
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      min-height: 290px;
      display:flex; flex-direction:column;
    }
    .show-media{
      padding:12px 12px 0;
    }
    .aspect{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      overflow:hidden;
      background: rgba(255,255,255,.6);
      aspect-ratio: 16 / 9;
    }
    .aspect.square{aspect-ratio:1/1}
    .aspect img{
      width:100%; height:100%; object-fit:cover; display:block;
      transform: scale(1.01);
      transition: transform .35s ease;
    }
    .show-card:hover img{transform: scale(1.04)}
    .show-body{
      padding:14px 14px 14px;
      display:flex; flex-direction:column; gap:10px;
      flex:1;
    }
    .show-title{
      margin:0;
      font-size:14px; letter-spacing:-.2px;
    }
    .show-desc{
      margin:0;
      color:var(--muted); font-size:13px; line-height:1.8;
      flex:1;
    }
    .show-meta{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:2px;
    }

    .article-list{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .article-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .article-panel h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .article-item{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
      margin-bottom:10px;
    }
    .article-item:last-child{margin-bottom:0}
    .article-item:hover{
      transform: translateY(-2px);
      border-color: rgba(0,212,255,.28);
      box-shadow: 0 16px 34px rgba(17,24,39,.10);
    }
    .article-item .l strong{display:block; font-size:13px; margin-bottom:4px}
    .article-item .l span{display:block; color:var(--muted); font-size:12px; line-height:1.65}
    .article-item a.read{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      color: rgba(17,24,39,.86);
      flex:0 0 auto;
      transition: border-color .16s ease, transform .16s ease;
      white-space:nowrap;
    }
    .article-item:hover a.read{border-color: rgba(91,124,250,.30); transform: translateY(-1px);}

    .form-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    form{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .form-title{
      display:flex; justify-content:space-between; align-items:center; gap:12px;
      margin-bottom:10px;
    }
    .form-title h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .hint{
      font-size:12px; color:var(--muted);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      padding:7px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .field-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
    }
    label{
      display:flex; flex-direction:column; gap:7px;
      font-size:12px; color:rgba(17,24,39,.86);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding:11px 12px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.14);
      background: rgba(255,255,255,.86);
      outline:none;
      transition: box-shadow .16s ease, border-color .16s ease;
      font-size:13px;
      color:var(--text);
    }
    textarea{min-height:104px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(91,124,250,.40);
      box-shadow: 0 0 0 4px var(--ring);
    }
    .form-actions{
      display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top:12px;
    }
    .fineprint{
      font-size:12px; color:var(--muted); line-height:1.6;
      max-width: 54ch;
    }
    .btn-submit{
      border-color: rgba(0,212,255,.30);
      background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(91,124,250,.18));
    }

    .network{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .network-map{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(520px 220px at 20% 0%, rgba(0,212,255,.18), transparent 60%),
        radial-gradient(520px 240px at 90% 10%, rgba(138,91,255,.16), transparent 60%),
        rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
      overflow:hidden;
      position:relative;
    }
    .map-layers{
      position:relative;
      min-height: 258px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.60);
      overflow:hidden;
    }
    .gridline{
      position:absolute; inset:0;
      background:
        linear-gradient(to right, rgba(17,24,39,.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(17,24,39,.06) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity:.7;
      pointer-events:none;
    }
    .node{
      position:absolute;
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,212,255,.95), rgba(138,91,255,.65));
      box-shadow: 0 0 0 8px rgba(0,212,255,.12);
      animation: pulse 2.2s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{ transform: scale(1); opacity: .95;}
      50%{ transform: scale(1.25); opacity: .75;}
    }
    .path{
      position:absolute; inset:0;
      pointer-events:none;
      opacity:.55;
    }
    .network-info{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .network-info h3{margin:0 0 10px; font-size:15px; letter-spacing:-.2px}
    .net-list{
      display:grid; gap:10px;
      margin-top:10px;
    }
    .net-item{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      display:flex; gap:12px; align-items:flex-start;
    }
    .net-item .n-ic{
      width:32px; height:32px; border-radius:14px;
      border:1px solid rgba(91,124,250,.22);
      background: linear-gradient(135deg, rgba(91,124,250,.18), rgba(138,91,255,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .net-item strong{display:block; font-size:13px; margin-bottom:4px}
    .net-item span{display:block; font-size:12px; color:var(--muted); line-height:1.7}

    .timeline{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .timeline h3{margin:0 0 12px; font-size:15px; letter-spacing:-.2px}
    .time-steps{
      display:grid; gap:12px;
    }
    .tstep{
      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,.72);
    }
    .tstep .t-dot{
      width:34px; height:34px; border-radius:16px;
      border:1px solid rgba(0,212,255,.22);
      background: linear-gradient(135deg, rgba(0,212,255,.16), rgba(91,124,250,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      flex:0 0 auto;
    }
    .tstep strong{display:block; font-size:13px; margin-bottom:4px}
    .tstep span{display:block; font-size:12px; color:var(--muted); line-height:1.7}

    .tag-cloud{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding:16px 16px;
    }
    .tag-cloud h3{margin:0 0 10px; font-size:15px; letter-spacing:-.2px}
    .cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding-top:4px;
    }
    .cloud a{
      font-size:12px;
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      color: rgba(17,24,39,.86);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      display:inline-flex; align-items:center; gap:8px;
    }
    .cloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(138,91,255,.28);
      background: linear-gradient(135deg, rgba(91,124,250,.12), rgba(138,91,255,.10));
    }
    .cloud a i{
      width:10px; height:10px; border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(0,212,255,.95), rgba(138,91,255,.65));
      box-shadow: 0 0 0 6px rgba(0,212,255,.12);
      flex:0 0 auto;
    }

    .footer{
      margin-top:10px;
      border-top:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      padding:18px 0 22px;
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-brand img{
      width:42px; height:42px; border-radius:14px; border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.9);
      object-fit:contain;
    }
    .foot-brand strong{display:block; font-size:14px; margin-bottom:6px}
    .foot-brand p{
      margin:0; color:var(--muted); font-size:13px; line-height:1.8;
      max-width: 62ch;
    }
    .foot-links{
      display:flex; flex-direction:column; gap:10px;
      padding:14px 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
    }
    .foot-links strong{font-size:13px}
    .linkline{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .foot-links a{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.66);
      color: rgba(17,24,39,.86);
      transition: transform .16s ease, border-color .16s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-2px); border-color: rgba(91,124,250,.30);}

    .copyright{
      margin-top:14px;
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
      color:var(--muted);
      font-size:12px;
    }
    .backtop{
      position:fixed; right:16px; bottom:16px;
      z-index:60;
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.86);
      box-shadow:0 16px 36px rgba(17,24,39,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, opacity .16s ease;
      opacity:0; pointer-events:none;
    }
    .backtop.show{opacity:1; pointer-events:auto}
    .backtop:hover{transform: translateY(-2px);}

    .float-kefu{
      position:fixed; right:16px; bottom:72px;
      z-index:60;
      width:auto;
      display:flex; flex-direction:column; align-items:flex-end; gap:10px;
    }
    .kefu-btn{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.88);
      box-shadow:0 16px 36px rgba(17,24,39,.12);
      cursor:pointer;
      user-select:none;
      transition: transform .16s ease, border-color .16s ease;
      max-width: 190px;
    }
    .kefu-btn:hover{transform: translateY(-2px); border-color: rgba(0,212,255,.30);}
    .kefu-btn .badge-neon{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(0,212,255,.24);
      background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(138,91,255,.14));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .kefu-btn span{
      font-size:12px; color:var(--muted); line-height:1.35;
      overflow:hidden; text-overflow:ellipsis;
      white-space:nowrap;
      max-width: 130px;
    }
    .kefu-pop{
      display:none;
      width:250px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      box-shadow:0 20px 48px rgba(17,24,39,.16);
      overflow:hidden;
      transform-origin: top right;
    }
    .kefu-pop.show{display:block}
    .kefu-pop .pop-top{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .kefu-pop .pop-top strong{font-size:13px}
    .kefu-pop .close{
      width:30px; height:30px; border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.8);
      cursor:pointer;
    }
    .kefu-pop .close:before{
      content:"";
      display:block;
      width:10px; height:10px;
      margin:0 auto;
      border-right:2px solid rgba(17,24,39,.55);
      border-top:2px solid rgba(17,24,39,.55);
      transform: rotate(45deg) translate(-1px, 1px);
    }
    .kefu-pop .pop-body{
      padding:12px 12px 14px;
      display:grid; gap:10px;
    }
    .qr-wrap{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:10px;
    }
    .qr-wrap img{width:100%; height:auto; display:block}
    .pop-note{
      font-size:12px; color:var(--muted); line-height:1.7;
    }

    .reveal{
      opacity:0;
      transform: translateY(14px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0px);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{font-size:26px}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .ability-steps{grid-template-columns: 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .showcase-grid{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      table{min-width: 780px}
    }

    @media (max-width: 860px){
      .nav{display:none}
      .menu-btn{display:inline-flex; align-items:center; justify-content:center}
      .nav-cta{display:none}
      .mobile-drawer{
        display:block;
        padding-bottom: 10px;
      }
      .drawer-panel{
        display:none;
        border-top:1px solid rgba(17,24,39,.08);
        padding:12px 0 16px;
      }
      .drawer-panel.show{display:block}
      .drawer-links{
        display:grid; gap:10px;
      }
      .drawer-links a{
        padding:12px 12px;
        border-radius:16px;
        border:1px solid rgba(17,24,39,.10);
        background: rgba(255,255,255,.70);
        color: var(--muted);
        font-weight:700;
        font-size:13px;
      }
      .drawer-actions{
        display:flex; gap:10px; flex-wrap:wrap;
        margin-top:12px;
      }
    }