:root{
      --bg0:#ffffff;
      --bg1:#f7f6ff;
      --bg2:#f4fbff;
      --text:#111827;
      --muted:#4b5563;
      --muted2:#6b7280;
      --card:#ffffff;
      --border:rgba(17,24,39,.10);
      --shadow:0 18px 45px rgba(17,24,39,.10);
      --shadow2:0 10px 26px rgba(16,24,40,.10);
      --accent:#6d28d9;
      --accent2:#06b6d4;
      --accent3:#22c55e;
      --accent4:#f59e0b;
      --danger:#ef4444;
      --btn:#0b1220;
      --btnText:#ffffff;
      --radius:18px;
      --radius2:26px;
      --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, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Apple Color Emoji","Segoe UI Emoji";
      color:var(--text);
      background:
        radial-gradient(1100px 520px at 14% -10%, rgba(109,40,217,.18), transparent 55%),
        radial-gradient(900px 520px at 90% 0%, rgba(6,182,212,.18), transparent 52%),
        radial-gradient(700px 420px at 20% 62%, rgba(34,197,94,.10), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, var(--bg1) 35%, #ffffff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }

    /* Topbar */
    .topbar-wrap{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(1.2) blur(10px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .brand img.ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background:linear-gradient(135deg, rgba(109,40,217,.18), rgba(6,182,212,.14));
      padding:6px;
      border:1px solid rgba(17,24,39,.08);
    }
    .brand .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand .brand-name{
      font-weight:800;
      letter-spacing:.2px;
      font-size:14px;
    }
    .brand .brand-sub{
      font-size:12px;
      color:var(--muted2);
      margin-top:3px;
      white-space:nowrap;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:16px;
      flex:1;
      justify-content:flex-end;
    }
    .nav a.nav-link{
      font-size:13px;
      color:rgba(17,24,39,.82);
      padding:8px 10px;
      border-radius:12px;
      transition:transform .18s ease, background .18s ease, box-shadow .18s ease;
      white-space:nowrap;
    }
    .nav a.nav-link:hover{
      background:rgba(109,40,217,.08);
      transform:translateY(-1px);
    }
    .nav .cta{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      color:var(--text);
      font-weight:700;
      font-size:13px;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      box-shadow:0 8px 22px rgba(17,24,39,.06);
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:0 14px 28px rgba(17,24,39,.10)}
    .btn:active{transform:translateY(0px); box-shadow:0 8px 20px rgba(17,24,39,.08)}
    .btn.primary{
      background: linear-gradient(135deg, rgba(109,40,217,1), rgba(6,182,212,1));
      border-color: rgba(109,40,217,.35);
      color:#fff;
      box-shadow:0 18px 40px rgba(109,40,217,.22);
    }
    .btn.primary .spark{
      width:10px; height:10px; border-radius:3px;
      background:rgba(255,255,255,.95);
      box-shadow:0 0 0 6px rgba(255,255,255,.15);
      transform:rotate(20deg);
    }

    .menu-btn{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      box-shadow:0 10px 24px rgba(17,24,39,.06);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .menu-btn:hover{transform:translateY(-1px); box-shadow:0 16px 34px rgba(17,24,39,.10)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px;
      background:rgba(17,24,39,.86); border-radius:2px;
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .menu-open .burger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .menu-open .burger span:nth-child(2){opacity:0}
    .menu-open .burger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-drawer{
      display:none;
      padding:0 0 14px;
    }
    .mobile-drawer .drawer-panel{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.9);
      border-radius:18px;
      box-shadow:0 18px 40px rgba(17,24,39,.08);
      padding:10px;
    }
    .drawer-links{
      display:flex;
      flex-direction:column;
      gap:6px;
      padding:6px;
    }
    .drawer-links a{
      padding:10px 12px;
      border-radius:14px;
      font-weight:650;
      font-size:13px;
      color:rgba(17,24,39,.88);
      transition:background .18s ease, transform .18s ease;
    }
    .drawer-links a:hover{
      background:rgba(6,182,212,.10);
      transform:translateY(-1px);
    }
    .drawer-actions{
      display:flex; gap:10px; padding:10px 6px 6px; flex-wrap:wrap;
    }

    /* Hero */
    .hero{
      position:relative;
      padding:56px 0 10px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-120px -120px auto -120px;
      height:520px;
      background:
        radial-gradient(closest-side at 15% 50%, rgba(109,40,217,.28), transparent 62%),
        radial-gradient(closest-side at 80% 25%, rgba(6,182,212,.26), transparent 60%),
        radial-gradient(closest-side at 40% 95%, rgba(34,197,94,.14), transparent 58%);
      pointer-events:none;
      filter:saturate(1.1);
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:22px;
      align-items:start;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.62);
      color:rgba(17,24,39,.84);
      font-weight:700;
      font-size:12px;
      box-shadow:0 10px 26px rgba(17,24,39,.06);
    }
    .eyebrow .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, rgba(109,40,217,1), rgba(6,182,212,1));
      box-shadow:0 0 0 6px rgba(109,40,217,.12);
    }
    .hero h1{
      margin:14px 0 10px;
      font-size:36px;
      line-height:1.18;
      letter-spacing:-.6px;
    }
    .hero p.lead{
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      margin:0 0 16px;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin:18px 0 16px;
    }
    .mini-links{
      display:flex; gap:14px; align-items:center; flex-wrap:wrap;
      color:var(--muted2);
      font-size:13px;
      margin-top:8px;
    }
    .mini-links .pipe{
      width:1px; height:14px; background:rgba(17,24,39,.14);
    }
    .hero-right{
      border:1px solid rgba(17,24,39,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.62));
      border-radius: var(--radius2);
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .hero-right::after{
      content:"";
      position:absolute; inset:-70px -60px auto auto;
      width:180px; height:180px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.28), transparent 60%),
                  radial-gradient(circle at 70% 60%, rgba(109,40,217,.22), transparent 62%);
      transform: rotate(14deg);
      pointer-events:none;
    }
    .pulse-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
      position:relative;
      z-index:1;
    }
    .chip{
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      color:rgba(17,24,39,.86);
      font-weight:750;
      font-size:12px;
      box-shadow:0 10px 24px rgba(17,24,39,.06);
      white-space:nowrap;
    }
    .chip i{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, rgba(34,197,94,1), rgba(6,182,212,1));
      box-shadow:0 0 0 6px rgba(6,182,212,.12);
      display:inline-block;
      transform:rotate(12deg);
    }

    .stats{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .stat{
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.10);
      padding:12px;
      transition:transform .18s ease, box-shadow .18s ease;
      box-shadow:0 10px 24px rgba(17,24,39,.06);
      min-height:92px;
    }
    .stat:hover{transform:translateY(-2px); box-shadow:0 18px 40px rgba(17,24,39,.10)}
    .stat .num{
      font-size:22px;
      font-weight:900;
      letter-spacing:-.4px;
      margin-bottom:6px;
      display:flex; align-items:baseline; gap:8px;
    }
    .stat .num em{
      font-style:normal;
      font-size:12px; color:var(--muted2);
      font-weight:800;
      padding:5px 9px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.7);
    }
    .stat .label{color:var(--muted); font-size:12px; line-height:1.5}

    .hero-right .request{
      margin-top:12px;
      border-top:1px dashed rgba(17,24,39,.14);
      padding-top:12px;
      position:relative; z-index:1;
    }
    .request .row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .request h3{
      margin:0;
      font-size:14px;
      letter-spacing:-.1px;
    }
    .request p{
      margin:6px 0 0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.7;
    }
    .request .token-btn{
      flex:0 0 auto;
      padding:10px 12px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(245,158,11,.18), rgba(109,40,217,.16));
      border:1px solid rgba(245,158,11,.35);
      font-weight:850;
      font-size:13px;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
      box-shadow:0 14px 30px rgba(245,158,11,.12);
    }
    .request .token-btn:hover{transform:translateY(-1px); box-shadow:0 18px 44px rgba(245,158,11,.16)}
    .request .token-btn:active{transform:translateY(0px)}
    .hero-badges{
      margin-top:14px;
      display:flex; flex-wrap:wrap; gap:10px;
      position:relative; z-index:1;
    }
    .badge{
      font-size:12px;
      font-weight:800;
      color:rgba(17,24,39,.86);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.74);
    }

    /* Sections */
    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:22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:13.5px;
      max-width:58ch;
    }
    .panel{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.70);
      border-radius: var(--radius2);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      padding:16px;
    }

    .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{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,24,39,.10);
      border-radius:18px;
      padding:14px;
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 120px;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 46px rgba(17,24,39,.10);
      border-color:rgba(109,40,217,.22);
    }
    .card .kicker{
      display:flex; align-items:center; gap:10px;
      font-weight:900;
      font-size:13px;
      margin-bottom:8px;
    }
    .iconbox{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(135deg, rgba(109,40,217,.14), rgba(6,182,212,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    /* Steps */
    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
      align-items:stretch;
    }
    .step{
      position:relative;
      overflow:hidden;
      min-height:170px;
    }
    .step::before{
      content:"";
      position:absolute;
      inset:-60px -60px auto auto;
      width:120px; height:120px;
      background:radial-gradient(circle at 30% 30%, rgba(109,40,217,.20), transparent 62%),
                 radial-gradient(circle at 70% 65%, rgba(6,182,212,.18), transparent 62%);
      transform:rotate(16deg);
      pointer-events:none;
    }
    .step .num{
      width:40px; height:40px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      margin-bottom:10px;
      box-shadow:0 10px 24px rgba(17,24,39,.06);
      position:relative; z-index:1;
    }
    .step h3{position:relative; z-index:1}
    .step p{position:relative; z-index:1}
    .step .tag{
      margin-top:10px;
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.70);
      color:rgba(17,24,39,.86);
      position:relative; z-index:1;
    }

    /* Compare */
    .compare{
      overflow:hidden;
    }
    .compare-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .rating-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(520px 240px at 10% 10%, rgba(109,40,217,.18), transparent 55%),
        radial-gradient(520px 240px at 90% 0%, rgba(6,182,212,.18), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow:0 16px 40px rgba(17,24,39,.07);
    }
    .stars{
      display:flex; align-items:center; gap:10px;
      margin:6px 0 12px;
    }
    .starline{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      display:inline-block;
      background:linear-gradient(135deg, rgba(245,158,11,1), rgba(109,40,217,1));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 8px 12px rgba(245,158,11,.18));
    }
    .rating-card .score{
      font-size:28px;
      font-weight:980;
      letter-spacing:-.6px;
      margin:0;
    }
    .rating-card .score span{
      font-size:13px; color:var(--muted2); font-weight:850;
      margin-left:8px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.7);
    }
    .rating-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .mini-metric{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.75);
      border-radius:18px;
      padding:12px;
      min-height:88px;
    }
    .mini-metric .t{
      font-weight:950;
      font-size:13px;
      margin:0 0 7px;
      display:flex; align-items:center; gap:10px;
    }
    .mini-metric .t i{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, rgba(34,197,94,1), rgba(6,182,212,1));
      box-shadow:0 0 0 6px rgba(6,182,212,.10);
      transform:rotate(12deg);
      display:inline-block;
    }
    .mini-metric p{
      margin:0;
      color:var(--muted);
      font-size:12.5px;
      line-height:1.6;
    }

    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 16px 40px rgba(17,24,39,.07);
    }
    thead th{
      text-align:left;
      font-size:13px;
      padding:12px 12px;
      color:rgba(17,24,39,.88);
      border-bottom:1px solid rgba(17,24,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.62));
      white-space:nowrap;
    }
    tbody td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.08);
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    tbody tr:last-child td{border-bottom:none}
    .cell-strong{
      color:rgba(17,24,39,.92);
      font-weight:900;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      font-size:12px;
      font-weight:900;
      color:rgba(17,24,39,.88);
    }
    .pill b{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, rgba(109,40,217,1), rgba(6,182,212,1));
      display:inline-block;
      box-shadow:0 0 0 6px rgba(109,40,217,.10);
    }

    /* Timeline */
    .timeline{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .timeline .list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .titem{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      border-radius:18px;
      padding:12px;
      display:flex; gap:12px;
      transition:transform .18s ease, box-shadow .18s ease;
      box-shadow:0 12px 28px rgba(17,24,39,.06);
    }
    .titem:hover{transform:translateY(-2px); box-shadow:0 18px 46px rgba(17,24,39,.10)}
    .ticon{
      width:36px; height:36px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(135deg, rgba(109,40,217,.16), rgba(6,182,212,.14));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      font-weight:950;
      color:rgba(17,24,39,.88);
    }
    .titem h3{
      margin:0 0 4px;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .titem p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }

    /* Cases */
    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case-card{
      padding:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.70);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      overflow:hidden;
      transition:transform .18s ease, box-shadow .18s ease;
      min-height: 220px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .case-card:hover{transform:translateY(-2px); box-shadow:0 20px 52px rgba(17,24,39,.10)}
    .case-media{
      border-radius:20px;
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(300px 120px at 15% 25%, rgba(109,40,217,.20), transparent 60%),
        radial-gradient(280px 140px at 85% 30%, rgba(6,182,212,.18), transparent 60%),
        rgba(255,255,255,.78);
      padding:10px;
    }
    .case-media .imgwrap{
      width:100%;
      aspect-ratio: 16 / 10;
      border-radius:16px;
      overflow:hidden;
      background:rgba(255,255,255,.55);
      border:1px solid rgba(17,24,39,.08);
      display:flex; align-items:center; justify-content:center;
    }
    .case-media img{
      width:100%; height:100%;
      object-fit:cover;
      display:block;
      transform:scale(1.02);
      transition:transform .35s ease;
    }
    .case-card:hover .case-media img{transform:scale(1.06)}
    .case-card h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .case-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .case-tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:auto}
    .case-tags span{
      font-size:12px; font-weight:850;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      padding:7px 10px;
      border-radius:999px;
      color:rgba(17,24,39,.86);
    }

    /* Articles */
    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .aitem{
      padding:14px;
      border-radius:20px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .aitem:hover{transform:translateY(-2px); box-shadow:0 18px 46px rgba(17,24,39,.10)}
    .aitem .meta{
      display:flex; flex-direction:column; gap:6px;
      min-width:0;
    }
    .aitem .title{
      font-weight:950;
      font-size:14px;
      letter-spacing:-.2px;
      color:rgba(17,24,39,.92);
      line-height:1.4;
    }
    .aitem .desc{
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      margin:0;
      max-width: 52ch;
    }
    .aitem time{
      color:var(--muted2);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .side-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(420px 220px at 25% 10%, rgba(6,182,212,.18), transparent 60%),
        radial-gradient(420px 220px at 90% 40%, rgba(109,40,217,.16), transparent 60%),
        rgba(255,255,255,.70);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      position:sticky;
      top:82px;
    }
    .side-card h3{margin:0 0 8px; font-size:15px; letter-spacing:-.2px}
    .side-card p{margin:0; color:var(--muted); line-height:1.75; font-size:13.5px}
    .side-card .bullets{
      margin:12px 0 14px; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .side-card .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(17,24,39,.86);
      font-weight:750;
      font-size:13px;
    }
    .side-card .bullets li i{
      width:10px; height:10px; border-radius:3px;
      background:linear-gradient(135deg, rgba(245,158,11,1), rgba(109,40,217,1));
      box-shadow:0 0 0 6px rgba(245,158,11,.12);
      margin-top:4px;
      flex:0 0 auto;
      transform:rotate(12deg);
    }

    /* Form */
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .form-card{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
    }
    form{
      display:flex; flex-direction:column; gap:12px;
    }
    label{
      font-size:13px;
      color:rgba(17,24,39,.86);
      font-weight:850;
      margin-bottom:6px;
      display:block;
    }
    input, select, textarea{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.12);
      background:rgba(255,255,255,.85);
      padding:11px 12px;
      outline:none;
      color:var(--text);
      font-size:14px;
      transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(109,40,217,.35);
      box-shadow:0 0 0 6px rgba(109,40,217,.12);
    }
    .form-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .helper{
      margin:0;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.65;
    }
    .submit-row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top:2px;
    }
    .submit-row .small{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.6;
    }

    /* FAQ */
    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    details.faq-item{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.74);
      border-radius:20px;
      padding:12px 12px;
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      overflow:hidden;
    }
    details.faq-item:hover{transform:translateY(-2px); box-shadow:0 18px 46px rgba(17,24,39,.10); border-color:rgba(6,182,212,.22)}
    details.faq-item[open]{border-color:rgba(109,40,217,.26)}
    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:6px 4px;
      user-select:none;
      font-weight:950;
      color:rgba(17,24,39,.92);
      font-size:14px;
      letter-spacing:-.2px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      flex:0 0 auto;
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 10px 24px rgba(17,24,39,.06);
      transition:transform .18s ease;
    }
    details[open] .sum-right{transform:rotate(45deg)}
    .sum-right svg{width:16px; height:16px}
    .faq-answer{
      padding:0 4px 8px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    /* Comments */
    .comment-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .comment{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.72);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      padding:16px;
      min-height:200px;
      display:flex; flex-direction:column; gap:10px;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .comment:hover{transform:translateY(-2px); box-shadow:0 20px 52px rgba(17,24,39,.10)}
    .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .who .name{
      font-weight:950;
      font-size:14px;
      letter-spacing:-.2px;
    }
    .role{
      color:var(--muted2);
      font-size:12.5px;
      font-weight:850;
      white-space:nowrap;
    }
    .avatar{
      width:38px; height:38px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:linear-gradient(135deg, rgba(109,40,217,.16), rgba(6,182,212,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight:980;
      color:rgba(17,24,39,.88);
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      flex:0 0 auto;
    }
    .quote{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      font-size:13.5px;
    }
    .comment .use{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .use span{
      font-size:12px; font-weight:850;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      color:rgba(17,24,39,.86);
    }

    /* Tags cloud */
    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tagcloud a{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.74);
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      font-size:12.5px;
      font-weight:900;
      color:rgba(17,24,39,.86);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .tagcloud a:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 46px rgba(17,24,39,.10);
      border-color:rgba(109,40,217,.22);
    }

    /* Footer */
    footer{
      padding:18px 0 28px;
    }
    .footer-panel{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(560px 240px at 15% 20%, rgba(109,40,217,.20), transparent 62%),
        radial-gradient(520px 220px at 85% 10%, rgba(6,182,212,.18), transparent 62%),
        rgba(255,255,255,.72);
      box-shadow:0 16px 40px rgba(17,24,39,.06);
      padding:16px;
      overflow:hidden;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr 1fr;
      gap:14px;
      align-items:start;
    }
    .foot-title{
      font-weight:980;
      font-size:14px;
      margin:0 0 8px;
      letter-spacing:-.2px;
    }
    .foot-text{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .foot-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .foot-links a{
      color:rgba(17,24,39,.86);
      font-weight:850;
      font-size:13px;
      padding:8px 10px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      transition:transform .18s ease, box-shadow .18s ease;
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      width:fit-content;
      max-width:100%;
    }
    .foot-links a:hover{transform:translateY(-2px); box-shadow:0 18px 46px rgba(17,24,39,.10)}
    .friend-grid{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:flex-start;
    }
    .friend-grid a{
      font-size:12.5px;
      font-weight:900;
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.78);
      color:rgba(17,24,39,.86);
      box-shadow:0 12px 28px rgba(17,24,39,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .friend-grid a:hover{transform:translateY(-2px); box-shadow:0 18px 46px rgba(17,24,39,.10); border-color:rgba(6,182,212,.22)}
    .bottom-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-top:12px;
      margin-top:12px;
      border-top:1px solid rgba(17,24,39,.08);
      color:var(--muted2);
      font-size:12.5px;
      flex-wrap:wrap;
    }

    /* Floating */
    .floatbar{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .floatbar .fab{
      pointer-events:auto;
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.86);
      box-shadow:0 18px 44px rgba(17,24,39,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease;
      position:relative;
      overflow:hidden;
    }
    .floatbar .fab:hover{transform:translateY(-2px); box-shadow:0 24px 60px rgba(17,24,39,.18)}
    .fab svg{width:20px; height:20px}
    .fab .tip{
      position:absolute;
      right:58px;
      white-space:nowrap;
      background:rgba(17,24,39,.92);
      color:#fff;
      font-size:12px;
      padding:8px 10px;
      border-radius:12px;
      opacity:0;
      transform:translateX(8px);
      transition:opacity .18s ease, transform .18s ease;
      pointer-events:none;
    }
    .fab:hover .tip{opacity:1; transform:translateX(0)}
    .kefu-wrap{
      display:flex; align-items:center; gap:10px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(17,24,39,.10);
      border-radius:18px;
      padding:10px 10px;
      box-shadow:0 18px 44px rgba(17,24,39,.14);
      pointer-events:auto;
      transform-origin:right bottom;
      transition:transform .18s ease, opacity .18s ease;
    }
    .kefu-wrap img{
      width:56px; height:56px; object-fit:cover; border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
    }
    .kefu-meta{
      display:flex; flex-direction:column; gap:4px;
      padding-right:2px;
    }
    .kefu-meta b{font-size:13px}
    .kefu-meta span{font-size:12.5px; color:var(--muted2); font-weight:750}

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

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; gap:14px}
      .hero h1{font-size:30px}
      .grid-3{grid-template-columns:1fr; }
      .grid-4{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr}
      .compare-wrap{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .side-card{position:relative; top:auto}
      .faq{grid-template-columns:1fr}
      .comment-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr; }
      .nav{display:none}
      .menu-btn{display:flex}
      .mobile-drawer{display:block}
      .mobile-drawer[aria-hidden="true"]{display:none}
      .mobile-drawer[aria-hidden="false"]{display:block}
      .floatbar{right:10px; bottom:10px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card,.stat,.case-card,.aitem,.titem,.comment,.faq-item, .btn{transition:none}
      .floatbar .fab, .btn:hover, .card:hover, .case-card:hover, .aitem:hover, .titem:hover, .comment:hover{transform:none}
    }