:root{
      --bg0:#ffffff;
      --bg1:#f6f7fb;
      --bg2:#f2f5ff;
      --text:#14171f;
      --muted:#5b6475;
      --muted2:#7a8496;
      --line:rgba(20,23,31,.10);
      --card:rgba(255,255,255,.78);
      --card2:rgba(255,255,255,.92);
      --shadow:0 18px 50px rgba(18,24,40,.10);
      --shadow2:0 10px 26px rgba(18,24,40,.10);
      --shadow3:0 6px 16px rgba(18,24,40,.10);
      --r12:12px;
      --r16:16px;
      --r20:20px;
      --r24:24px;
      --brandA:#6d28d9;
      --brandB:#00d4ff;
      --brandC:#22c55e;
      --brandD:#ff4fd8;
      --accent:#7c3aed;
      --accent2:#06b6d4;
      --warn:#f59e0b;
      --danger:#ef4444;
      --focus:rgba(124,58,237,.25);
      --container:1160px;
      --pad:18px;
    }
    *{box-sizing:border-box}
    html,body{height:100%}
    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 CJK SC","Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 500px at 10% -10%, rgba(124,58,237,.15), transparent 55%),
        radial-gradient(800px 380px at 90% 0%, rgba(0,212,255,.16), transparent 55%),
        radial-gradient(700px 420px at 30% 20%, rgba(255,79,216,.10), transparent 50%),
        linear-gradient(180deg, var(--bg1), var(--bg0) 52%, var(--bg1));
      overflow-x:hidden;
    }
    a{color:inherit}
    img{max-width:100%; height:auto; display:block}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .skip-link{
      position:absolute; left:-999px; top:auto;
      width:1px; height:1px; overflow:hidden;
      background:#fff; color:#000;
    }
    .skip-link:focus{
      left:12px; top:12px; width:auto; height:auto;
      padding:10px 12px; border-radius:12px; z-index:9999;
      outline:2px solid var(--accent2);
      box-shadow:0 10px 24px rgba(0,0,0,.12);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(150%) blur(10px);
      background:rgba(246,247,251,.62);
      border-bottom:1px solid rgba(20,23,31,.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:260px;
    }
    .brand .logo{
      width:44px; height:44px;
      border-radius:14px;
      background:
        radial-gradient(16px 16px at 30% 30%, rgba(0,212,255,.35), transparent 60%),
        radial-gradient(16px 16px at 70% 70%, rgba(255,79,216,.28), transparent 60%),
        linear-gradient(135deg, rgba(124,58,237,.18), rgba(0,212,255,.10));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 40px rgba(124,58,237,.14);
      overflow:hidden;
    }
    .brand .logo img{width:34px; height:34px; object-fit:contain; filter:saturate(1.05) contrast(1.02)}
    .brand .text{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand .name{
      font-weight:800; letter-spacing:.2px;
    }
    .brand .sub{
      margin-top:4px; font-size:12px; color:var(--muted);
      white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
      max-width:260px;
    }

    nav{
      display:flex; align-items:center; gap:10px; justify-content:flex-end; flex:1;
    }
    .nav-links{
      display:flex; gap:6px; align-items:center;
      flex-wrap:wrap; justify-content:flex-end;
    }
    .nav-links a{
      text-decoration:none;
      padding:10px 10px;
      border-radius:12px;
      color:rgba(20,23,31,.86);
      font-weight:600;
      font-size:13px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease;
    }
    .nav-links a:hover{
      background:rgba(124,58,237,.08);
      border-color:rgba(124,58,237,.16);
      transform:translateY(-1px);
    }
    .nav-actions{display:flex; align-items:center; gap:10px; margin-left:6px}
    .btn{
      cursor:pointer;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.76);
      color:var(--text);
      padding:10px 14px;
      border-radius:14px;
      font-weight:800;
      font-size:13px;
      text-decoration:none;
      display:inline-flex; align-items:center; gap:10px;
      transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      box-shadow:0 10px 24px rgba(0,0,0,.05);
      white-space:nowrap;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 30px rgba(0,0,0,.08);
      border-color:rgba(124,58,237,.22);
    }
    .btn-primary{
      border-color:rgba(124,58,237,.22);
      background: linear-gradient(135deg, rgba(124,58,237,.98), rgba(0,212,255,.80));
      color:white;
      box-shadow:0 18px 50px rgba(124,58,237,.22);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), transparent 55%);
      transform:rotate(14deg);
      transition:transform .4s ease, opacity .4s ease;
      opacity:.9;
    }
    .btn-primary:hover::after{transform:translate(-10px,10px) rotate(14deg); opacity:1}
    .btn-ghost{
      background:rgba(255,255,255,.62);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.72);
      border-radius:14px;
      padding:10px 12px;
      font-weight:900;
      cursor:pointer;
      box-shadow:0 10px 24px rgba(0,0,0,.05);
    }
    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-panel .grid{
      display:grid; grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      font-weight:800;
      font-size:13px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.62);
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .mobile-panel a:hover{transform:translateY(-1px); border-color:rgba(124,58,237,.22); background:rgba(124,58,237,.06)}
    .mobile-panel .actions{
      display:flex; gap:10px; margin-top:10px; flex-wrap:wrap;
    }

    .hero{
      position:relative;
      padding:34px 0 14px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:start;
    }
    .hero-card{
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border:1px solid rgba(20,23,31,.08);
      border-radius:var(--r24);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-card .inner{
      padding:26px 22px 22px;
      position:relative;
      z-index:2;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(700px 280px at 30% 0%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(520px 220px at 90% 20%, rgba(0,212,255,.18), transparent 55%),
        radial-gradient(420px 200px at 20% 80%, rgba(255,79,216,.12), transparent 55%);
      z-index:1;
      pointer-events:none;
    }
    .pill-row{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:14px}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.18);
      color:rgba(55,40,120,.96);
      font-weight:900;
      font-size:12px;
      letter-spacing:.2px;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 0 0 5px rgba(124,58,237,.12);
    }
    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.7px;
      line-height:1.12;
    }
    .lead{
      margin:12px 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:10px;
    }
    .hero-meta{
      margin-top:18px;
      display:flex; gap:12px; flex-wrap:wrap;
      align-items:center;
    }
    .meta-item{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.64);
      border:1px solid rgba(20,23,31,.08);
    }
    .meta-item .k{
      font-weight:950; font-size:13px;
    }
    .meta-item .v{
      font-size:12px; color:var(--muted2); font-weight:700;
    }
    .spark{
      width:22px; height:22px; border-radius:10px;
      background:
        radial-gradient(10px 10px at 30% 30%, rgba(255,255,255,.7), transparent 60%),
        linear-gradient(135deg, rgba(124,58,237,.95), rgba(0,212,255,.75));
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(124,58,237,.22);
      box-shadow:0 14px 38px rgba(124,58,237,.18);
    }
    .spark svg{width:14px; height:14px; color:white}

    .side-stack{
      display:flex; flex-direction:column; gap:14px;
    }
    .neon-panel{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.60));
      box-shadow:var(--shadow2);
      overflow:hidden;
      position:relative;
    }
    .neon-panel::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        conic-gradient(from 180deg at 50% 50%,
          rgba(124,58,237,.22),
          rgba(0,212,255,.20),
          rgba(255,79,216,.16),
          rgba(124,58,237,.22));
      filter: blur(18px);
      opacity:.45;
      z-index:0;
      pointer-events:none;
    }
    .neon-panel .content{
      position:relative; z-index:1;
      padding:18px 16px 16px;
    }
    .neon-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .neon-title h2{
      margin:0; font-size:14px; letter-spacing:.2px;
      color:rgba(20,23,31,.88);
    }
    .pulse-chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(0,212,255,.22);
      background:rgba(0,212,255,.08);
      color:rgba(6,95,120,.95);
      font-weight:900;
      font-size:12px;
      position:relative;
      overflow:hidden;
    }
    .pulse-chip::after{
      content:"";
      position:absolute; inset:-6px;
      background: radial-gradient(circle at 20% 40%, rgba(255,255,255,.6), transparent 52%);
      opacity:.6;
      animation: sheen 3.8s ease-in-out infinite;
    }
    @keyframes sheen{
      0%,100%{transform:translateX(-10px); opacity:.35}
      50%{transform:translateX(12px); opacity:.7}
    }

    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:10px;
    }
    .metric{
      border-radius:18px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.08);
      padding:12px 12px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      box-shadow:0 10px 26px rgba(0,0,0,.05);
    }
    .metric:hover{
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.22);
      box-shadow:0 16px 40px rgba(0,0,0,.08);
    }
    .metric .num{
      font-size:18px; font-weight:1000; letter-spacing:-.3px;
      display:flex; align-items:baseline; gap:8px;
    }
    .metric .num span{
      font-size:12px; font-weight:950; color:var(--muted2);
    }
    .metric .desc{
      margin-top:6px; color:var(--muted);
      font-size:12px; line-height:1.5; font-weight:700;
    }

    .quick-actions{
      display:flex; flex-direction:column; gap:10px;
      margin-top:14px;
    }
    .qa{
      display:flex; align-items:flex-start; gap:12px;
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.68);
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .qa:hover{transform:translateY(-2px); border-color:rgba(0,212,255,.22); background:rgba(0,212,255,.05)}
    .qa .badge{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(0,212,255,.16), rgba(124,58,237,.16));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .qa .badge svg{width:18px; height:18px; color:rgba(124,58,237,.92)}
    .qa .t{font-weight:950; font-size:13px; margin-top:1px}
    .qa .s{color:var(--muted); font-size:12px; line-height:1.6; font-weight:700; margin-top:3px}

    .section{
      padding:26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-weight:700;
      font-size:13px;
      line-height:1.6;
      max-width:62ch;
    }
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
    .card{
      border-radius:var(--r20);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.08);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .card .h{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .card h3{
      margin:0;
      font-size:14px;
      letter-spacing:.1px;
    }
    .card .tag{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.66);
      font-weight:900;
      color:rgba(20,23,31,.75);
      white-space:nowrap;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      font-weight:700;
    }

    .ability{
      display:flex; gap:14px; flex-wrap:wrap; align-items:flex-start;
      margin-top:12px;
    }
    .ability .chip{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.66);
      font-weight:900;
      font-size:12px;
      color:rgba(20,23,31,.82);
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .ability .chip:hover{transform:translateY(-1px); border-color:rgba(124,58,237,.22); background:rgba(124,58,237,.06)}

    .steps{
      display:grid; grid-template-columns:repeat(4, 1fr); gap:12px;
    }
    .step{
      padding:16px 14px;
      border-radius:var(--r20);
      background:rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.08);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      position:relative;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height:138px;
    }
    .step:hover{transform:translateY(-2px); box-shadow:0 16px 40px rgba(0,0,0,.08); border-color:rgba(124,58,237,.22)}
    .step .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .step .idx{
      width:34px; height:34px; border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color:white;
      background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(0,212,255,.75));
      box-shadow:0 16px 44px rgba(124,58,237,.22);
      border:1px solid rgba(124,58,237,.18);
    }
    .step h3{margin:0; font-size:14px; letter-spacing:.1px}
    .step p{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.75; font-weight:700}

    .compare{
      border-radius:var(--r24);
      overflow:hidden;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.70);
      box-shadow:var(--shadow2);
    }
    .compare .topbar{
      padding:16px 16px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      border-bottom:1px solid rgba(20,23,31,.08);
      background:
        radial-gradient(600px 220px at 10% 30%, rgba(124,58,237,.15), transparent 60%),
        radial-gradient(520px 200px at 90% 10%, rgba(0,212,255,.14), transparent 55%),
        rgba(255,255,255,.62);
    }
    .star-rating{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.72);
    }
    .star svg{width:18px; height:18px}
    .rating-meta{
      display:flex; flex-direction:column; gap:2px;
    }
    .rating-meta .big{
      font-weight:1100; letter-spacing:-.4px;
      font-size:16px;
    }
    .rating-meta .small{
      color:var(--muted); font-weight:800; font-size:12px;
    }
    .score-chip{
      padding:12px 14px;
      border-radius:18px;
      border:1px solid rgba(124,58,237,.20);
      background:rgba(124,58,237,.07);
      font-weight:1000;
      color:rgba(88,36,166,.96);
      display:flex; align-items:baseline; gap:10px;
      white-space:nowrap;
    }
    .score-chip span{font-size:12px; color:var(--muted)}
    .compare-table{
      width:100%;
      border-collapse:collapse;
      font-size:13px;
    }
    .compare-table th, .compare-table td{
      padding:14px 12px;
      border-bottom:1px solid rgba(20,23,31,.08);
      vertical-align:top;
    }
    .compare-table th{
      text-align:left;
      color:rgba(20,23,31,.85);
      font-weight:1000;
      background:rgba(255,255,255,.50);
      position:sticky;
      top:76px;
      z-index:1;
    }
    .compare-table td{color:var(--muted); font-weight:700; line-height:1.7}
    .compare-table .strong{color:rgba(20,23,31,.92); font-weight:1000}
    .badge-good{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(34,197,94,.25);
      background:rgba(34,197,94,.08);
      color:rgba(21,128,61,.95);
      font-weight:1000;
      white-space:nowrap;
    }
    .badge-mid{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.25);
      background:rgba(245,158,11,.08);
      color:rgba(146,64,14,.95);
      font-weight:1000;
      white-space:nowrap;
    }

    .table-wrap{
      overflow:auto;
      -webkit-overflow-scrolling:touch;
      border-radius:0 0 var(--r24) var(--r24);
    }
    .table-wrap::-webkit-scrollbar{height:10px}
    .table-wrap::-webkit-scrollbar-thumb{background:rgba(20,23,31,.18); border-radius:999px}

    .two-col{
      display:grid; grid-template-columns:1fr 1fr; gap:14px;
    }

    .model-grid{
      display:grid; grid-template-columns:repeat(3, 1fr); gap:12px;
    }
    .model{
      padding:14px 14px;
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      min-height:118px;
    }
    .model:hover{transform:translateY(-2px); border-color:rgba(0,212,255,.22); box-shadow:0 16px 40px rgba(0,0,0,.08)}
    .model .m-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:8px;
    }
    .model .m-name{font-weight:1100; font-size:14px}
    .model .m-type{font-size:12px; color:var(--muted2); font-weight:900}
    .model ul{
      margin:0; padding-left:16px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
      line-height:1.9;
    }

    .network{
      display:grid; grid-template-columns:repeat(4,1fr); gap:12px;
    }
    .node{
      padding:14px 14px;
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.62));
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      transition:transform .18s ease, border-color .18s ease;
    }
    .node:hover{transform:translateY(-2px); border-color:rgba(124,58,237,.22)}
    .node .n-ico{
      width:38px; height:38px; border-radius:18px;
      background:linear-gradient(135deg, rgba(124,58,237,.16), rgba(0,212,255,.16));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      margin-bottom:10px;
      position:relative;
      overflow:hidden;
    }
    .node .n-ico::after{
      content:"";
      position:absolute; inset:-20px -20px auto auto;
      width:46px; height:46px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.7), transparent 55%);
      transform:rotate(14deg);
      opacity:.65;
    }
    .node .n-ico svg{width:18px; height:18px; color:rgba(124,58,237,.92); position:relative; z-index:1}
    .node .n-title{font-weight:1100; font-size:14px; margin:0}
    .node .n-desc{margin:8px 0 0; color:var(--muted); font-size:13px; line-height:1.7; font-weight:750}

    .timeline{
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
    }
    .tl-card{
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      padding:16px;
      min-height:162px;
    }
    .tl-card h3{margin:0; font-size:14px}
    .tl-list{
      margin:12px 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .tl-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.56);
    }
    .tl-item .b{
      width:26px; height:26px; border-radius:12px;
      background:linear-gradient(135deg, rgba(0,212,255,.16), rgba(124,58,237,.18));
      border:1px solid rgba(124,58,237,.16);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .tl-item .b svg{width:14px; height:14px; color:rgba(124,58,237,.92)}
    .tl-item .txt{font-weight:900; font-size:13px; color:rgba(20,23,31,.90); line-height:1.45}
    .tl-item .sub{display:block; margin-top:3px; color:var(--muted); font-weight:750; font-size:12px; line-height:1.6}

    .faq-grid{
      display:grid; grid-template-columns:1fr 1fr; gap:12px;
    }
    .accordion{
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.70);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      overflow:hidden;
    }
    .acc-item{
      border-top:1px solid rgba(20,23,31,.08);
    }
    .acc-item:first-child{border-top:none}
    .acc-btn{
      width:100%;
      text-align:left;
      padding:14px 14px;
      background:transparent;
      border:none;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
    }
    .acc-btn:focus{outline:2px solid var(--focus); outline-offset:-2px}
    .acc-q{
      font-weight:1000;
      font-size:13.5px;
      letter-spacing:.1px;
      color:rgba(20,23,31,.92);
      line-height:1.5;
    }
    .acc-icon{
      width:28px; height:28px;
      border-radius:14px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.66);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
      margin-top:-3px;
    }
    .acc-icon svg{width:16px; height:16px}
    .acc-btn[aria-expanded="true"] .acc-icon{
      transform:rotate(180deg);
      border-color:rgba(124,58,237,.22);
      background:rgba(124,58,237,.08);
    }
    .acc-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .acc-body{
      padding:0 14px 14px;
      color:var(--muted);
      font-weight:800;
      font-size:13px;
      line-height:1.8;
    }

    .comments{
      display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
    }
    .comment{
      padding:16px;
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      transition:transform .18s ease, border-color .18s ease;
      min-height:190px;
      display:flex; flex-direction:column; gap:12px;
    }
    .comment:hover{transform:translateY(-2px); border-color:rgba(0,212,255,.22)}
    .c-top{display:flex; align-items:center; justify-content:space-between; gap:12px}
    .c-person{display:flex; align-items:center; gap:10px}
    .avatar{
      width:40px; height:40px; border-radius:18px;
      background:
        radial-gradient(14px 14px at 30% 30%, rgba(255,255,255,.70), transparent 60%),
        linear-gradient(135deg, rgba(124,58,237,.20), rgba(0,212,255,.16));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 40px rgba(124,58,237,.12);
      font-weight:1100;
      color:rgba(88,36,166,.95);
    }
    .c-name{font-weight:1100; font-size:13px; line-height:1.1}
    .c-role{color:var(--muted2); font-weight:850; font-size:12px; margin-top:4px}
    .c-star{display:flex; gap:4px; align-items:center; color:rgba(245,158,11,.95)}
    .comment .text{
      margin:0;
      color:var(--muted);
      font-weight:800;
      font-size:13px;
      line-height:1.85;
      flex:1;
    }

    .case-grid{
      display:grid; grid-template-columns:repeat(3,1fr); gap:12px;
    }
    .case{
      padding:16px;
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      overflow:hidden;
      min-height:210px;
      transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      position:relative;
    }
    .case:hover{
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.22);
      box-shadow:0 16px 40px rgba(0,0,0,.08);
    }
    .case .c-h{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .case .title{font-weight:1100; font-size:14px; letter-spacing:.1px}
    .case .kind{
      font-size:12px; font-weight:950; color:rgba(88,36,166,.95);
      padding:8px 10px; border-radius:999px;
      border:1px solid rgba(124,58,237,.22);
      background:rgba(124,58,237,.08);
      white-space:nowrap;
    }
    .case .desc{margin:0; color:var(--muted); font-weight:800; font-size:13px; line-height:1.85}
    .case .line{
      height:1px; background:rgba(20,23,31,.08);
      margin:12px 0;
    }
    .case .meta{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .mini{
      display:flex; align-items:center; gap:8px;
      padding:9px 10px;
      border-radius:16px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.58);
      color:rgba(20,23,31,.86);
      font-weight:950;
      font-size:12px;
    }
    .mini svg{width:14px; height:14px; color:rgba(124,58,237,.92)}

    .article-list{
      display:grid; grid-template-columns:1.1fr .9fr; gap:12px;
      align-items:start;
    }
    .articles{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      overflow:hidden;
    }
    .articles .head{
      padding:16px 16px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      background:
        radial-gradient(600px 240px at 0% 0%, rgba(124,58,237,.16), transparent 58%),
        radial-gradient(520px 220px at 95% 30%, rgba(0,212,255,.14), transparent 55%),
        rgba(255,255,255,.62);
      border-bottom:1px solid rgba(20,23,31,.08);
    }
    .articles .head h3{margin:0; font-size:14px; font-weight:1100}
    .articles .head span{color:var(--muted); font-size:12px; font-weight:900}
    .art-items{display:flex; flex-direction:column}
    .art{
      padding:14px 16px;
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
      border-bottom:1px solid rgba(20,23,31,.08);
      text-decoration:none;
      transition:background .15s ease;
    }
    .art:last-child{border-bottom:none}
    .art:hover{background:rgba(124,58,237,.06)}
    .art .left{display:flex; flex-direction:column; gap:6px}
    .art .t{
      font-weight:1050; font-size:13.5px; color:rgba(20,23,31,.92);
      line-height:1.45;
    }
    .art .m{
      color:var(--muted); font-weight:800; font-size:12px; line-height:1.6;
    }
    .art .go{
      width:34px; height:34px; border-radius:16px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.64);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
      transition:transform .15s ease, border-color .15s ease;
    }
    .art:hover .go{transform:translateY(-1px); border-color:rgba(124,58,237,.22)}
    .art .go svg{width:16px; height:16px; color:rgba(124,58,237,.92)}

    .side-stack-articles{
      display:flex; flex-direction:column; gap:12px;
    }
    .side-card{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.70);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .side-card::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(500px 240px at 10% 10%, rgba(255,79,216,.10), transparent 60%),
        radial-gradient(520px 220px at 95% 15%, rgba(0,212,255,.14), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .side-card > *{position:relative; z-index:1}
    .side-card h3{margin:0; font-size:14px; font-weight:1100}
    .side-card p{margin:10px 0 0; color:var(--muted); font-weight:800; font-size:13px; line-height:1.85}
    .list-mini{
      margin:12px 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list-mini li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.55);
    }
    .list-mini .i{
      width:26px; height:26px; border-radius:12px;
      border:1px solid rgba(124,58,237,.18);
      background:rgba(124,58,237,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .list-mini .i svg{width:14px; height:14px; color:rgba(124,58,237,.95)}
    .list-mini .txt{font-weight:950; font-size:13px; color:rgba(20,23,31,.92); line-height:1.5}
    .list-mini .sub{display:block; margin-top:3px; color:var(--muted); font-weight:800; font-size:12px; line-height:1.6}

    .price-grid{
      display:grid; grid-template-columns:1.05fr .95fr; gap:12px;
      align-items:start;
    }
    .token-card{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      overflow:hidden;
    }
    .token-card .head{
      padding:16px 16px;
      border-bottom:1px solid rgba(20,23,31,.08);
      background:
        radial-gradient(600px 250px at 20% 10%, rgba(124,58,237,.16), transparent 60%),
        radial-gradient(520px 220px at 90% 30%, rgba(0,212,255,.14), transparent 55%),
        rgba(255,255,255,.62);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .token-card h3{margin:0; font-size:14px; font-weight:1100}
    .token-card .head p{margin:8px 0 0; color:var(--muted); font-weight:800; font-size:13px; line-height:1.7; max-width:52ch}
    .token-card .body{padding:14px 16px 16px}
    .token-form{
      display:grid; grid-template-columns:1fr 1fr; gap:10px;
      margin-top:10px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    label{
      font-weight:950; font-size:12px; color:rgba(20,23,31,.80);
    }
    select, input, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,23,31,.12);
      background:rgba(255,255,255,.86);
      padding:12px 12px;
      font-weight:800;
      font-size:13px;
      color:var(--text);
      outline:none;
      transition:border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    select:focus, input:focus, textarea:focus{
      border-color:rgba(124,58,237,.35);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
    }
    textarea{min-height:92px; resize:vertical}
    .token-footer{
      display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top:12px;
    }
    .hint{
      color:var(--muted2); font-weight:850; font-size:12px; line-height:1.6;
      max-width:56ch;
    }
    .result{
      margin-top:12px;
      border-radius:var(--r20);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.62);
      padding:12px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition:transform .18s ease, border-color .18s ease;
    }
    .result:hover{transform:translateY(-1px); border-color:rgba(0,212,255,.22)}
    .result .l{display:flex; flex-direction:column; gap:6px}
    .result .t{font-weight:1100; font-size:14px}
    .result .s{color:var(--muted); font-weight:850; font-size:12.5px; line-height:1.65}
    .result .r{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(124,58,237,.20);
      background:rgba(124,58,237,.08);
      color:rgba(88,36,166,.96);
      font-weight:1000;
      font-size:12.5px;
      white-space:nowrap;
    }

    .token-suggest{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.70);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .token-suggest::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 10% 20%, rgba(0,212,255,.14), transparent 60%),
        radial-gradient(520px 220px at 95% 0%, rgba(124,58,237,.16), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    .token-suggest > *{position:relative; z-index:1}
    .token-suggest h3{margin:0; font-size:14px; font-weight:1100}
    .token-suggest p{margin:10px 0 0; color:var(--muted); font-weight:800; font-size:13px; line-height:1.85}
    .suggest-grid{
      margin-top:12px;
      display:grid; grid-template-columns:1fr; gap:10px;
    }
    .suggest{
      padding:12px 12px;
      border-radius:18px;
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.60);
      display:flex; gap:10px; align-items:flex-start; justify-content:space-between;
    }
    .suggest .left{display:flex; gap:10px; align-items:flex-start}
    .suggest .ico{
      width:34px; height:34px; border-radius:16px;
      border:1px solid rgba(124,58,237,.18);
      background:rgba(124,58,237,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .suggest .ico svg{width:18px; height:18px; color:rgba(124,58,237,.95)}
    .suggest .t{font-weight:1100; font-size:13.5px; line-height:1.45}
    .suggest .s{display:block; margin-top:4px; color:var(--muted); font-weight:850; font-size:12.5px; line-height:1.6}
    .suggest .right{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(0,212,255,.22);
      background:rgba(0,212,255,.08);
      color:rgba(6,95,120,.96);
      font-weight:1000;
      font-size:12px;
      white-space:nowrap;
      height:fit-content;
    }

    form.big-form{
      border-radius:var(--r24);
      border:1px solid rgba(20,23,31,.08);
      background:rgba(255,255,255,.72);
      box-shadow:0 10px 26px rgba(0,0,0,.05);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    form.big-form::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 10% 0%, rgba(255,79,216,.10), transparent 60%),
        radial-gradient(520px 240px at 90% 10%, rgba(0,212,255,.14), transparent 55%);
      pointer-events:none;
      opacity:.9;
    }
    form.big-form > *{position:relative; z-index:1}
    form.big-form .title-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    form.big-form h3{margin:0; font-size:16px; font-weight:1200; letter-spacing:-.2px}
    form.big-form .subtitle{margin:6px 0 0; color:var(--muted); font-weight:850; font-size:13px; line-height:1.75; max-width:60ch}
    .form-grid{
      display:grid; grid-template-columns:1fr 1fr; gap:10px;
      margin-top:10px;
    }
    .form-grid .span2{grid-column:1 / -1}
    .submit-row{
      margin-top:12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding-top:12px;
      border-top:1px solid rgba(20,23,31,.08);
    }
    .fineprint{
      color:var(--muted2); font-weight:850; font-size:12px; line-height:1.6;
      max-width:58ch;
    }
    .toast{
      position:fixed; left:50%; transform:translateX(-50%);
      bottom:18px;
      background:rgba(20,23,31,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow:0 18px 60px rgba(0,0,0,.25);
      z-index:200;
      display:none;
      max-width:min(520px, calc(100vw - 28px));
      font-weight:900;
      font-size:13px;
      line-height:1.5;
      border:1px solid rgba(255,255,255,.14);
    }
    .toast.show{display:block; animation:pop .18s ease-out}
    @keyframes pop{
      from{transform:translateX(-50%) translateY(8px); opacity:.0}
      to{transform:translateX(-50%) translateY(0); opacity:1}
    }

    footer{
      background:
        radial-gradient(900px 340px at 20% 0%, rgba(124,58,237,.16), transparent 62%),
        radial-gradient(700px 320px at 90% 20%, rgba(0,212,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(245,246,252,.75), rgba(245,246,252,1));
      border-top:1px solid rgba(20,23,31,.08);
      margin-top:8px;
    }
    .footer-wrap{
      padding:22px 0 16px;
    }
    .foot-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:14px; align-items:start;
    }
    .foot-brand{
      display:flex; flex-direction:column; gap:10px;
    }
    .foot-brand .row{
      display:flex; align-items:center; gap:12px;
    }
    .foot-brand .mark{
      width:46px; height:46px; border-radius:18px;
      background:
        radial-gradient(16px 16px at 30% 30%, rgba(255,255,255,.65), transparent 60%),
        linear-gradient(135deg, rgba(124,58,237,.22), rgba(0,212,255,.18));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 18px 50px rgba(124,58,237,.16);
    }
    .foot-brand .mark svg{width:22px; height:22px; color:rgba(88,36,166,.95)}
    .foot-brand .t{font-weight:1200; font-size:15px}
    .foot-brand .d{color:var(--muted); font-weight:850; font-size:13px; line-height:1.8; margin:0}
    .foot-links{
      display:flex; flex-direction:column; gap:10px;
      padding:16px; border-radius:var(--r24);
      background:rgba(255,255,255,.58);
      border:1px solid rgba(20,23,31,.08);
    }
    .foot-links .h{font-weight:1200; font-size:14px}
    .link-row{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .foot-links a{
      text-decoration:none;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.62);
      font-weight:900;
      font-size:12.5px;
      color:rgba(20,23,31,.86);
      transition:transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .foot-links a:hover{
      transform:translateY(-1px);
      border-color:rgba(124,58,237,.22);
      background:rgba(124,58,237,.06);
    }
    .copyright{
      margin-top:14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:rgba(20,23,31,.70);
      font-weight:850; font-size:12px;
    }
    .copyright .sep{opacity:.5}
    .backtop{
      position:fixed;
      right:16px; bottom:16px;
      z-index:120;
      width:44px; height:44px;
      border-radius:18px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 18px 60px rgba(0,0,0,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0; transform:translateY(10px);
      pointer-events:none;
      transition:opacity .2s ease, transform .2s ease, border-color .2s ease;
    }
    .backtop.show{opacity:1; transform:translateY(0); pointer-events:auto}
    .backtop:hover{border-color:rgba(124,58,237,.22)}
    .backtop svg{width:18px; height:18px; color:rgba(124,58,237,.95)}

    .floating{
      position:fixed;
      left:16px; bottom:16px;
      z-index:120;
      display:flex; flex-direction:column; gap:10px;
    }
    .float-btn{
      border-radius:18px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 18px 60px rgba(0,0,0,.12);
      padding:10px 12px;
      cursor:pointer;
      display:flex; align-items:center; gap:10px;
      transition:transform .15s ease, border-color .15s ease;
      user-select:none;
      max-width:180px;
    }
    .float-btn:hover{transform:translateY(-2px); border-color:rgba(0,212,255,.22)}
    .float-btn .i{
      width:34px; height:34px; border-radius:16px;
      background:linear-gradient(135deg, rgba(0,212,255,.18), rgba(124,58,237,.18));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .float-btn .i svg{width:18px; height:18px; color:rgba(88,36,166,.95)}
    .float-btn .txt{display:flex; flex-direction:column; gap:2px}
    .float-btn .txt .t{font-weight:1100; font-size:12.5px; line-height:1.2}
    .float-btn .txt .s{font-weight:900; font-size:11.5px; color:var(--muted2); line-height:1.2}

    .qrcode-pop{
      display:none;
      position:absolute;
      left:0; bottom:54px;
      width:240px;
      border-radius:20px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 22px 70px rgba(0,0,0,.18);
      padding:12px;
    }
    .qrcode-pop.show{display:block; animation:pop2 .18s ease-out}
    @keyframes pop2{from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:translateY(0)}}
    .qrcode-pop .h{font-weight:1200; font-size:13px; margin-bottom:10px}
    .qrcode-pop .qr-wrap{
      display:flex; flex-direction:column; gap:8px; align-items:center;
    }
    .qrcode-pop img{
      width:160px; height:auto;
      border-radius:16px;
      border:1px solid rgba(20,23,31,.10);
      background:#fff;
    }
    .qrcode-pop .small{color:var(--muted); font-weight:900; font-size:12px; line-height:1.6; text-align:center}

    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:10px;
    }
    .cloud-tag{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,23,31,.10);
      background:rgba(255,255,255,.62);
      font-weight:950;
      font-size:12.5px;
      color:rgba(20,23,31,.86);
      transition:transform .15s ease, border-color .15s ease;
    }
    .cloud-tag:hover{transform:translateY(-1px); border-color:rgba(124,58,237,.22)}

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; gap:14px}
      .brand{min-width:auto}
      .nav-links{display:none}
      .nav-actions{display:none}
      .mobile-toggle{display:inline-flex; align-items:center; gap:10px}
      .mobile-panel.show{display:block}
      .grid-3{grid-template-columns:1fr}
      .grid-4{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr}
      .two-col{grid-template-columns:1fr}
      .model-grid{grid-template-columns:1fr}
      .network{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .comments{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      h1{font-size:30px}
      .floating{left:auto; right:14px}
      .qrcode-pop{left:auto; right:0}
      .compare-table th{top:130px}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .reveal{transition:none}
      .btn, .card, .metric, .step, .node, .model, .case, .art, .qa{transition:none}
    }