:root{
      --bg0:#0b1020;
      --bg1:#0a1226;
      --paper:#ffffff;
      --text:#131722;
      --muted:#5a6476;
      --muted2:#7a869c;
      --line:rgba(17,24,39,.10);
      --card:rgba(255,255,255,.78);
      --card2:rgba(255,255,255,.92);
      --shadow:0 18px 50px rgba(14, 24, 52, .12);
      --shadow2:0 10px 26px rgba(14, 24, 52, .10);
      --primary:#6d28d9;
      --primary2:#2563eb;
      --teal:#06b6d4;
      --gold:#f59e0b;
      --ok:#10b981;
      --danger:#ef4444;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --padX:20px;
      --focus: 0 0 0 3px rgba(109,40,217,.18), 0 0 0 1px rgba(109,40,217,.45);
    }
    *{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 CJK SC", "WenQuanYi Micro Hei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 18% -10%, rgba(109,40,217,.30), transparent 55%),
        radial-gradient(760px 480px at 78% -6%, rgba(37,99,235,.22), transparent 58%),
        radial-gradient(560px 360px at 65% 14%, rgba(6,182,212,.14), transparent 58%),
        linear-gradient(180deg, #f7f7fb 0%, #ffffff 45%, #fbfbfe 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--padX);
    }

    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(14px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid var(--line);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 240px;
    }
    .brand img.ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background:linear-gradient(135deg, rgba(109,40,217,.12), rgba(37,99,235,.10));
      box-shadow: 0 10px 22px rgba(109,40,217,.10);
    }
    .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:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav a.nav-link{
      text-decoration:none;
      font-size:13px;
      color:rgba(19,23,34,.82);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav a.nav-link:hover{
      background:rgba(109,40,217,.06);
      border-color:rgba(109,40,217,.18);
      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:999px;
      padding:10px 14px;
      border:1px solid rgba(109,40,217,.25);
      background: linear-gradient(135deg, rgba(109,40,217,.10), rgba(37,99,235,.08));
      color:#2a2141;
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      box-shadow: 0 10px 24px rgba(109,40,217,.10);
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(109,40,217,.16);
      border-color: rgba(109,40,217,.38);
      background: linear-gradient(135deg, rgba(109,40,217,.16), rgba(37,99,235,.12));
    }
    .btn.primary{
      border-color: rgba(109,40,217,.35);
      background: linear-gradient(135deg, rgba(109,40,217,.92), rgba(37,99,235,.82));
      color:white;
      box-shadow: 0 18px 44px rgba(109,40,217,.22);
    }
    .btn.primary:hover{
      box-shadow: 0 24px 62px rgba(109,40,217,.30);
    }
    .btn .dot{
      width:9px; height:9px; border-radius:50%;
      background: conic-gradient(from 180deg, #7c3aed, #2563eb, #06b6d4, #7c3aed);
      box-shadow: 0 0 0 4px rgba(255,255,255,.18);
    }

    .mobile-toggle{
      display:none;
      align-items:center;
      justify-content:center;
      width:42px; height:42px;
      border-radius:12px;
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.75);
      transition: transform .15s ease, background .15s ease;
    }
    .mobile-toggle:active{transform:scale(.98)}
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background:rgba(19,23,34,.82);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-menu{
      display:none;
      border-top:1px solid var(--line);
      padding:10px 0 14px;
    }
    .mobile-menu .mobile-links{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding-top:6px;
    }
    .mobile-menu a.nav-link{
      border:1px solid rgba(17,24,39,.10);
      background:rgba(255,255,255,.65);
      border-radius:14px;
      padding:12px 12px;
      text-decoration:none;
      font-weight:650;
      font-size:13px;
      color:rgba(19,23,34,.88);
    }

    .hero{
      padding:46px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-140px -180px auto -180px;
      height:520px;
      background:
        radial-gradient(closest-side at 20% 45%, rgba(109,40,217,.35), transparent 68%),
        radial-gradient(closest-side at 55% 20%, rgba(37,99,235,.28), transparent 70%),
        radial-gradient(closest-side at 82% 55%, rgba(6,182,212,.22), transparent 65%),
        linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.40) 55%, rgba(255,255,255,0) 100%);
      pointer-events:none;
      filter:saturate(120%);
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:22px;
      align-items:start;
    }
    .hero-copy{
      padding:6px 0;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(109,40,217,.18);
      background: rgba(255,255,255,.65);
      box-shadow: 0 10px 22px rgba(109,40,217,.10);
      font-size:12px;
      color:rgba(31,41,55,.85);
      margin-bottom:14px;
    }
    .kicker i{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, #7c3aed, #2563eb);
      box-shadow: 0 0 0 4px rgba(124,58,237,.10);
      display:inline-block;
    }
    h1{
      margin:0 0 12px;
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.5px;
    }
    .hero-sub{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 62ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin:18px 0 14px;
    }
    .ghost{
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.65);
      box-shadow:none;
      color:rgba(19,23,34,.90);
    }
    .ghost:hover{
      border-color: rgba(17,24,39,.22);
      background: rgba(255,255,255,.85);
      box-shadow: 0 18px 40px rgba(14, 24, 52, .10);
    }
    .hero-note{
      display:flex;
      gap:12px;
      align-items:flex-start;
      margin-top:12px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      min-width: 190px;
    }
    .pill .ic{
      width:32px; height:32px;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(37,99,235,.14));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      color:rgba(51,65,85,.92);
      font-weight:900;
      font-size:13px;
    }
    .pill strong{display:block; font-size:13px}
    .pill span{display:block; color:var(--muted2); font-size:12px; margin-top:2px}

    .hero-panel{
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      border: 1px solid rgba(17,24,39,.10);
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
      transform: translateZ(0);
    }
    .hero-panel::before{
      content:"";
      position:absolute; inset:-120px -80px auto -120px;
      height:280px;
      background: conic-gradient(from 210deg, rgba(124,58,237,.22), rgba(37,99,235,.14), rgba(6,182,212,.18), rgba(245,158,11,.14), rgba(124,58,237,.22));
      filter: blur(22px);
      opacity:.70;
      pointer-events:none;
    }
    .panel-top{
      position:relative;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:4px 4px 12px;
      border-bottom:1px dashed rgba(17,24,39,.12);
      margin-bottom:14px;
    }
    .panel-top .title{
      display:flex; flex-direction:column; gap:6px;
    }
    .panel-top .title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .panel-top .title span{
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.7);
      font-size:12px;
      color:rgba(19,23,34,.86);
      white-space:nowrap;
    }
    .chip b{
      font-weight:850;
      background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(37,99,235,.85));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .metric-grid{
      position:relative;
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      margin-bottom:14px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      padding:12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 92px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(14, 24, 52, .12);
      border-color: rgba(124,58,237,.22);
    }
    .metric .num{
      font-size:22px;
      font-weight:900;
      letter-spacing:-.3px;
      margin-bottom:6px;
      display:flex; align-items:baseline; gap:8px;
    }
    .metric .num small{
      font-size:12px;
      color:var(--muted2);
      font-weight:700;
      letter-spacing:.2px;
    }
    .metric .lab{
      font-size:12px;
      color:var(--muted);
      line-height:1.5;
    }

    .mini-workflow{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:10px;
      padding:2px 4px 4px;
    }
    .step-row{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .step-num{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(124,58,237,.18);
      background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(37,99,235,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:rgba(55,48,80,.92);
      flex:0 0 auto;
    }
    .step-row strong{display:block; font-size:13px; margin-top:2px}
    .step-row span{display:block; font-size:12px; color:var(--muted); line-height:1.55; margin-top:4px}

    .section{
      padding:28px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.25px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      max-width: 58ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(14, 24, 52, .06);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .card::after{
      content:"";
      position:absolute; inset:auto -80px -110px auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.22), transparent 62%);
      opacity:.55;
      pointer-events:none;
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      position:relative;
      z-index:1;
    }
    .card .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
      position:relative;
      z-index:1;
    }
    .li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(19,23,34,.88);
      font-size:13px;
      line-height:1.6;
    }
    .tick{
      width:18px; height:18px;
      border-radius:6px;
      border:1px solid rgba(16,185,129,.25);
      background: rgba(16,185,129,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:rgba(16,185,129,.98);
      flex:0 0 auto;
      margin-top:2px;
    }
    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top:12px;
      position:relative;
      z-index:1;
    }
    .tag{
      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,.62);
      font-size:12px;
      color:rgba(19,23,34,.86);
      white-space:nowrap;
    }
    .tag i{
      width:8px; height:8px; border-radius:50%;
      background: linear-gradient(135deg, #7c3aed, #2563eb);
      display:inline-block;
      box-shadow: 0 0 0 3px rgba(124,58,237,.12);
    }

    .dual{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .timeline{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:6px;
    }
    .t-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    .t-ico{
      width:36px; height:36px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(124,58,237,.16), rgba(37,99,235,.10));
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(55,48,80,.95);
      flex:0 0 auto;
    }
    .t-item strong{
      font-size:13px;
      display:block;
      margin-top:2px;
    }
    .t-item span{
      display:block;
      margin-top:6px;
      font-size:12px;
      color:var(--muted);
      line-height:1.6;
    }

    .compare-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.66));
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-head{
      padding:14px 16px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(600px 220px at 20% 20%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(520px 220px at 80% 20%, rgba(37,99,235,.12), transparent 60%),
        rgba(255,255,255,.60);
    }
    .stars{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
    }
    .star-badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.30);
      background: rgba(245,158,11,.10);
      color:rgba(124,45,18,.95);
      font-weight:900;
      letter-spacing:.1px;
    }
    .star-badge .s{
      color:#b45309;
      font-size:14px;
    }
    .score{
      font-size:13px;
      color:rgba(17,24,39,.86);
      font-weight:700;
    }
    .compare-actions{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }

    .table-scroll{
      overflow:auto;
      -webkit-overflow-scrolling:touch;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 820px;
      background: rgba(255,255,255,.72);
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,24,39,.10);
      text-align:left;
      vertical-align:top;
      font-size:13px;
    }
    th{
      background: rgba(255,255,255,.88);
      font-weight:900;
      color:rgba(19,23,34,.90);
      position:sticky;
      top:0;
      z-index:1;
      border-bottom:1px solid rgba(17,24,39,.10);
    }
    td{color:rgba(19,23,34,.86)}
    .pill-yes{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,185,129,.22);
      background: rgba(16,185,129,.10);
      color:rgba(16,185,129,.98);
      font-weight:800;
      white-space:nowrap;
    }
    .pill-part{
      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,.10);
      color:rgba(161,98,7,.98);
      font-weight:800;
      white-space:nowrap;
    }
    .pill-no{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(239,68,68,.22);
      background: rgba(239,68,68,.10);
      color:rgba(185,28,28,.98);
      font-weight:800;
      white-space:nowrap;
    }

    .seg-tabs{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
    }
    .seg{
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.65);
      border-radius:999px;
      padding:8px 10px;
      font-size:12px;
      font-weight:800;
      color:rgba(19,23,34,.86);
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
    }
    .seg:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.22)}
    .seg.active{
      border-color: rgba(109,40,217,.35);
      background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(37,99,235,.10));
    }

    .accordion{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    details.acc{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:0 12px;
      overflow:hidden;
    }
    details.acc summary{
      list-style:none;
      cursor:pointer;
      padding:14px 2px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      color:rgba(19,23,34,.92);
      font-size:13px;
    }
    details.acc summary::-webkit-details-marker{display:none}
    .chev{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, border-color .2s ease;
      flex:0 0 auto;
    }
    details.acc[open] .chev{
      transform: rotate(180deg);
      border-color: rgba(124,58,237,.26);
    }
    details.acc .acc-body{
      padding:0 2px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    details.acc .acc-body p{margin:0}

    .comments{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .comment{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(14, 24, 52, .06);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 168px;
    }
    .comment:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(14, 24, 52, .12);
      border-color: rgba(109,40,217,.20);
    }
    .comment::before{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width:220px; height:220px;
      background: radial-gradient(circle at 30% 30%, rgba(37,99,235,.20), transparent 62%);
      opacity:.65;
      pointer-events:none;
    }
    .comment .top{
      position:relative;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
      z-index:1;
    }
    .avatar{
      width:38px; height:38px;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(37,99,235,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(55,48,80,.95);
      flex:0 0 auto;
    }
    .who strong{
      display:block; font-size:13px;
    }
    .who span{
      display:block; font-size:12px; color:var(--muted);
      margin-top:4px;
      line-height:1.4;
    }
    .quote{
      position:relative;
      z-index:1;
      margin:0;
      color:rgba(19,23,34,.84);
      font-size:13px;
      line-height:1.75;
    }
    .quote i{
      display:inline-block;
      width:16px; height:16px;
      border-radius:6px;
      background: rgba(124,58,237,.12);
      border:1px solid rgba(124,58,237,.18);
      margin-right:8px;
      transform: translateY(2px);
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:14px;
      align-items:start;
    }
    .case-left{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .case-card{
      border-radius: var(--radius2);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 14px 30px rgba(14, 24, 52, .06);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 182px;
    }
    .case-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 22px 48px rgba(14, 24, 52, .12);
      border-color: rgba(124,58,237,.22);
    }
    .case-card .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-size:12px;
      font-weight:850;
      color:rgba(19,23,34,.86);
      white-space:nowrap;
    }
    .badge .spark{
      width:10px; height:10px; border-radius:4px;
      background: conic-gradient(from 200deg, #7c3aed, #2563eb, #06b6d4, #f59e0b, #7c3aed);
      box-shadow: 0 0 0 4px rgba(124,58,237,.10);
    }
    .case-card h3{margin:0 0 8px; font-size:15px}
    .case-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .case-side{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      padding:16px;
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }
    .case-side::after{
      content:"";
      position:absolute; inset:auto -120px -140px auto;
      width:320px; height:320px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.20), transparent 65%);
      pointer-events:none;
    }
    .side-title{
      position:relative;
      z-index:1;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .side-title strong{font-size:14px}
    .side-title span{
      display:block;
      font-size:12px;
      color:var(--muted);
      margin-top:6px;
      line-height:1.55;
    }
    .side-list{
      position:relative; z-index:1;
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-list li{
      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,.70);
    }
    .side-list .n{
      width:26px; height:26px;
      border-radius:11px;
      background: rgba(124,58,237,.12);
      border:1px solid rgba(124,58,237,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(73,42,146,.95);
      flex:0 0 auto;
      font-size:12px;
      margin-top:1px;
    }
    .side-list strong{display:block; font-size:13px}
    .side-list span{display:block; color:var(--muted); font-size:12px; margin-top:5px; line-height:1.5}

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .article{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(14, 24, 52, .10);
      border-color: rgba(109,40,217,.20);
    }
    .article .left{
      min-width:0;
    }
    .article .title{
      font-weight:950;
      font-size:13px;
      margin-bottom:6px;
      color:rgba(19,23,34,.92);
    }
    .article .desc{
      color:var(--muted);
      font-size:12px;
      line-height:1.55;
      margin:0;
    }
    .article a{
      text-decoration:none;
      color:rgba(109,40,217,.98);
      font-weight:900;
      font-size:13px;
      white-space:nowrap;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(109,40,217,.20);
      background: rgba(109,40,217,.06);
      transition: transform .15s ease;
      flex:0 0 auto;
      margin-top:2px;
    }
    .article a:hover{transform: translateY(-1px)}
    .helper-box{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      padding:16px;
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }
    .helper-box::before{
      content:"";
      position:absolute;
      inset:-120px auto auto -140px;
      width:420px;
      height:240px;
      background: conic-gradient(from 220deg, rgba(124,58,237,.22), rgba(37,99,235,.16), rgba(6,182,212,.18), rgba(124,58,237,.22));
      filter: blur(24px);
      opacity:.55;
      pointer-events:none;
    }
    .helper-box .inner{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .helper-box h3{margin:0; font-size:15px}
    .helper-box p{margin:0; color:var(--muted); font-size:13px; line-height:1.7}
    .contact-row{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .contact-chip{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-size:13px;
      color:rgba(19,23,34,.88);
      white-space:nowrap;
    }
    .contact-chip b{font-weight:950}
    .divider-h{
      height:1px;
      background: rgba(17,24,39,.10);
      margin:8px 0;
    }

    form{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:8px;
      font-size:12px;
      color:rgba(19,23,34,.82);
      font-weight:800;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.82);
      padding:12px 12px;
      font-size:13px;
      color:rgba(19,23,34,.92);
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(109,40,217,.45);
      background: rgba(255,255,255,.95);
    }
    .form-actions{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .small-muted{
      color:var(--muted2);
      font-size:12px;
      line-height:1.55;
    }

    .ai-network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .mapish{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(620px 220px at 20% 18%, rgba(124,58,237,.18), transparent 62%),
        radial-gradient(520px 220px at 82% 22%, rgba(37,99,235,.14), transparent 62%),
        rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height: 240px;
    }
    .mapish::after{
      content:"";
      position:absolute; inset:0;
      background:
        linear-gradient(90deg, rgba(17,24,39,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(17,24,39,.06) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity:.25;
      pointer-events:none;
      mask-image: radial-gradient(circle at 40% 35%, black 0%, transparent 58%);
    }
    .network-nodes{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
      margin-top:8px;
    }
    .node{
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .node .b{
      width:34px; height:34px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(37,99,235,.12));
      border:1px solid rgba(124,58,237,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(55,48,80,.95);
      flex:0 0 auto;
    }
    .node strong{display:block; font-size:13px}
    .node span{display:block; margin-top:5px; font-size:12px; color:var(--muted); line-height:1.55}

    .labels-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-size:12px;
      font-weight:900;
      color:rgba(19,23,34,.86);
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
    }
    .cloud:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.22); background: rgba(109,40,217,.06)}
    .cloud.active{
      border-color: rgba(109,40,217,.35);
      background: linear-gradient(135deg, rgba(124,58,237,.14), rgba(37,99,235,.10));
    }

    .footer{
      margin-top:10px;
      background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.78));
      border-top:1px solid rgba(17,24,39,.10);
      padding:18px 0 26px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding:16px;
      box-shadow: 0 14px 30px rgba(14, 24, 52, .06);
    }
    .foot-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-brand img{width:44px; height:44px; object-fit:contain; border-radius:14px; border:1px solid rgba(17,24,39,.10); background: rgba(255,255,255,.75)}
    .foot-brand strong{display:block; font-size:14px}
    .foot-brand span{display:block; font-size:12px; color:var(--muted); margin-top:6px; line-height:1.5}
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .foot-links a{
      text-decoration:none;
      font-size:12px;
      font-weight:900;
      color:rgba(19,23,34,.86);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      padding:9px 10px;
      border-radius:999px;
      transition: transform .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{transform: translateY(-1px); border-color: rgba(109,40,217,.22)}
    .copy{
      margin-top:12px;
      color:var(--muted2);
      font-size:12px;
      line-height:1.6;
    }
    .foot-right{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .wechat-row{
      display:flex; gap:12px; align-items:center;
      padding:12px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
    }
    .wechat-row img{
      width:86px; height:86px;
      border-radius:18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.75);
      object-fit:cover;
    }
    .wechat-row strong{display:block; font-size:13px}
    .wechat-row span{display:block; font-size:12px; color:var(--muted); margin-top:6px; line-height:1.5}
    .foot-right .contact-row{margin-top:6px}
    .system-footer{
      margin-top:12px;
      text-align:center;
      color:var(--muted2);
      font-size:12px;
    }

    .float-chat{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      display:flex; align-items:center; gap:10px;
      padding:12px 14px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 44px rgba(14, 24, 52, .14);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      user-select:none;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(109,40,217,.22);
      box-shadow: 0 24px 62px rgba(14, 24, 52, .18);
    }
    .float-btn .bubble{
      width:34px; height:34px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(124,58,237,.16), rgba(37,99,235,.12));
      border:1px solid rgba(124,58,237,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(55,48,80,.95);
    }
    .float-btn span{
      font-weight:950;
      font-size:13px;
      color:rgba(19,23,34,.92);
    }
    .toast{
      position:fixed;
      left:50%;
      transform: translateX(-50%);
      bottom:96px;
      z-index:70;
      background: rgba(19,23,34,.92);
      color:white;
      border-radius:14px;
      padding:10px 12px;
      font-size:13px;
      box-shadow: 0 18px 44px rgba(0,0,0,.22);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }

    .back-top{
      width:44px; height:44px;
      border-radius:16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 44px rgba(14, 24, 52, .14);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
      user-select:none;
    }
    .back-top:hover{
      transform: translateY(-2px);
      border-color: rgba(109,40,217,.22);
      box-shadow: 0 24px 62px rgba(14, 24, 52, .18);
    }

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

    @media (max-width: 980px){
      :root{--container:980px;}
      .hero-inner{grid-template-columns: 1fr; gap:14px;}
      h1{font-size:30px}
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr;}
      .dual{grid-template-columns:1fr}
      .comments{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .case-left{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .ai-network{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      table{min-width: 740px;}
      .field-row{grid-template-columns:1fr}
      .brand{min-width: unset;}
      .nav{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu{display:block}
      .mobile-menu.is-open{display:block}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .metric:hover,.comment:hover,.article:hover,.btn:hover,.cloud:hover,.float-btn:hover,.back-top:hover{transform:none}
    }