:root{
      --bg0:#fbfbfe;
      --bg1:#f5f4ff;
      --card:#ffffff;
      --text:#101828;
      --muted:#5a667a;
      --muted2:#7c879b;
      --line:rgba(16,24,40,.10);
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 8px 18px rgba(16,24,40,.10);
      --radius:16px;
      --radius2:22px;
      --brand1:#6c5ce7;
      --brand2:#00d2ff;
      --brand3:#00b894;
      --brand4:#fdcb6e;
      --brand5:#ff7675;
      --btn:#101828;
      --btnText:#fff;
      --focus: rgba(108,92,231,.25);
      --link:#2e5bff;
      --ok:#0ea5e9;
      --good:#16a34a;
      --warn:#f59e0b;
      --danger:#ef4444;
      --max:1180px;
      --gap:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% -10%, rgba(108,92,231,.14), transparent 55%),
        radial-gradient(900px 520px at 85% 5%, rgba(0,210,255,.12), transparent 50%),
        radial-gradient(800px 420px at 30% 35%, rgba(0,184,148,.09), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 35%, #fbfbfe 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,251,254,.72);
      border-bottom:1px solid rgba(16,24,40,.08);
    }
    .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: 220px;
    }
    .ai-page-logo{
      width:38px;
      height:38px;
      object-fit:contain;
      flex:0 0 auto;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(108,92,231,.12), rgba(0,210,255,.10));
      padding:6px;
      box-shadow: inset 0 0 0 1px rgba(16,24,40,.06);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted2);
      margin-top:4px;
      white-space:nowrap;
    }
    nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex;
      gap:14px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(16,24,40,.82);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(108,92,231,.08);
      border-color: rgba(108,92,231,.20);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:4px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.75);
      color:rgba(16,24,40,.92);
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      font-size:13px;
      white-space:nowrap;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 22px rgba(16,24,40,.10);
      border-color: rgba(16,24,40,.16);
      background: rgba(255,255,255,.95);
    }
    .btn-primary{
      background: linear-gradient(135deg, rgba(108,92,231,.95), rgba(0,210,255,.85));
      border-color: rgba(108,92,231,.30);
      color:#fff;
      box-shadow: 0 12px 30px rgba(108,92,231,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 16px 40px rgba(108,92,231,.24);
    }
    .btn-dark{
      background: #0b1220;
      border-color: rgba(255,255,255,.10);
      color:#fff;
      box-shadow: 0 14px 34px rgba(11,18,32,.18);
    }
    .btn-dark:hover{
      box-shadow: 0 18px 44px rgba(11,18,32,.24);
    }
    .btn-icon{
      width:28px; height:28px; border-radius:10px;
      display:grid; place-items:center;
      background: rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.20);
    }
    .hamburger{
      display:none;
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.7);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .hamburger:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.95);
      border-color: rgba(16,24,40,.18);
    }
    .hamburger span{
      width:18px; height:2px; background: rgba(16,24,40,.78);
      display:block; position:relative;
    }
    .hamburger span:before,.hamburger span:after{
      content:""; position:absolute; left:0; width:18px; height:2px; background: rgba(16,24,40,.78);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger span:before{top:-6px}
    .hamburger span:after{top:6px}
    .hamburger[aria-expanded="true"] span{background:transparent}
    .hamburger[aria-expanded="true"] span:before{top:0; transform: rotate(45deg)}
    .hamburger[aria-expanded="true"] span:after{top:0; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-panel a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      font-size:14px;
      color:rgba(16,24,40,.92);
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .mobile-panel a:hover{
      transform: translateY(-1px);
      background: rgba(255,255,255,.95);
      border-color: rgba(16,24,40,.16);
    }

    .hero{
      padding:28px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-left{
      padding:26px 22px;
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 420px at 5% 10%, rgba(108,92,231,.22), transparent 55%),
        radial-gradient(720px 320px at 85% 15%, rgba(0,210,255,.18), transparent 55%),
        radial-gradient(600px 260px at 35% 75%, rgba(0,184,148,.12), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
      border:1px solid rgba(16,24,40,.10);
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-left:after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(420px 160px at 30% 10%, rgba(255,118,117,.18), transparent 60%),
        radial-gradient(520px 180px at 90% 60%, rgba(253,203,110,.16), transparent 62%);
      pointer-events:none;
      opacity:.65;
      filter:saturate(1.1);
    }
    .hero-left > *{position:relative; z-index:1}
    .hero-kicker{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      color: rgba(16,24,40,.90);
      font-size:12.5px;
      white-space:nowrap;
    }
    .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 5px rgba(108,92,231,.12);
    }
    h1{
      margin:14px 0 10px;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.12;
    }
    .hero-sub{
      color:rgba(16,24,40,.78);
      font-size:15.5px;
      line-height:1.7;
      margin:0;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .micro{
      margin-top:14px;
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      align-items:center;
      color:rgba(16,24,40,.68);
      font-size:12.5px;
    }
    .micro .tag{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px dashed rgba(16,24,40,.16);
      background: rgba(255,255,255,.45);
    }
    .micro i{
      width:10px; height:10px; border-radius:3px; background: linear-gradient(135deg, rgba(0,210,255,.9), rgba(108,92,231,.9));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(0,210,255,.12);
    }

    .hero-right{
      padding:18px;
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-right:before{
      content:"";
      position:absolute;
      inset:-140px -120px auto auto;
      width:380px; height:380px;
      background: conic-gradient(from 220deg, rgba(108,92,231,.30), rgba(0,210,255,.22), rgba(0,184,148,.18), rgba(253,203,110,.18), rgba(108,92,231,.30));
      filter: blur(14px);
      opacity:.55;
      transform: rotate(-14deg);
      pointer-events:none;
    }
    .hero-right > *{position:relative; z-index:1}
    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:8px;
    }
    .metric{
      padding:14px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:92px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:10px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(108,92,231,.24);
    }
    .metric .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .metric .icon{
      width:36px; height:36px; border-radius:14px;
      display:grid; place-items:center;
      background: linear-gradient(135deg, rgba(108,92,231,.14), rgba(0,210,255,.12));
      border:1px solid rgba(108,92,231,.18);
    }
    .metric .val{
      font-weight:800;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .metric .lbl{
      color:rgba(16,24,40,.72);
      font-size:12.5px;
      line-height:1.35;
    }
    .right-card{
      margin-top:14px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(500px 200px at 20% 0%, rgba(108,92,231,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.52));
      padding:14px;
    }
    .right-card h3{
      margin:0 0 8px;
      font-size:14px;
      letter-spacing:.2px;
    }
    .model-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .pill{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.7);
      color:rgba(16,24,40,.82);
      font-size:12.2px;
      white-space:nowrap;
    }

    section{
      padding:18px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin:10px 0 14px;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
      line-height:1.25;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:56ch;
    }
    .panel{
      border-radius: var(--radius2);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 36px rgba(16,24,40,.06);
    }
    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.inview{
      opacity:1;
      transform: translateY(0);
    }

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .card{
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      height:100%;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(108,92,231,.22);
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:.2px;
    }
    .card p{
      margin:0;
      color:rgba(16,24,40,.74);
      font-size:13.5px;
      line-height:1.7;
    }
    .list{
      margin:10px 0 0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(16,24,40,.78);
      font-size:13.5px;
      line-height:1.55;
    }
    .check{
      width:18px; height:18px;
      border-radius:6px;
      background: rgba(0,184,148,.12);
      border:1px solid rgba(0,184,148,.26);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check svg{width:12px; height:12px}
    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(520px 160px at 20% 0%, rgba(0,210,255,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.56));
      transition: transform .2s ease, box-shadow .2s ease;
      height:100%;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
    }
    .step .num{
      width:40px; height:40px;
      border-radius:16px;
      display:grid; place-items:center;
      background: rgba(108,92,231,.12);
      border:1px solid rgba(108,92,231,.22);
      font-weight:800;
      letter-spacing:-.2px;
    }
    .step h3{margin:0; font-size:15px}
    .step p{margin:0; color:rgba(16,24,40,.74); font-size:13.5px; line-height:1.65}

    .scenario{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .scenario .grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .scenario .tile{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      padding:14px 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:96px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:10px;
    }
    .scenario .tile:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(0,210,255,.22);
    }
    .tile .head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .badge{
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.7);
      color: rgba(16,24,40,.86);
      white-space:nowrap;
    }
    .tile h3{
      margin:0;
      font-size:14.5px;
      letter-spacing:.1px;
      line-height:1.35;
    }
    .tile p{
      margin:0;
      color:rgba(16,24,40,.72);
      font-size:13.2px;
      line-height:1.6;
    }

    .compare-wrap{
      overflow:hidden;
    }
    .compare{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .compare thead th{
      background: linear-gradient(135deg, rgba(108,92,231,.16), rgba(0,210,255,.12));
      color: rgba(16,24,40,.92);
      font-weight:800;
      font-size:13.5px;
      padding:14px 12px;
      text-align:left;
      border-bottom:1px solid rgba(16,24,40,.10);
      white-space:nowrap;
    }
    .compare th, .compare td{
      padding:12px 12px;
      border-bottom:1px solid rgba(16,24,40,.08);
      vertical-align:top;
      font-size:13.5px;
      color:rgba(16,24,40,.82);
    }
    .compare tbody tr:last-child td{border-bottom:none}
    .compare td small{display:block; color:rgba(16,24,40,.62); margin-top:4px; font-size:12.5px; line-height:1.5}
    .star-card{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(520px 180px at 20% 0%, rgba(253,203,110,.22), transparent 55%),
        radial-gradient(520px 180px at 95% 30%, rgba(255,118,117,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.56));
      padding:16px;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .rating-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .rating-title h3{margin:0; font-size:16px}
    .rating-title p{margin:8px 0 0; color:rgba(16,24,40,.72); font-size:13.5px; line-height:1.6}
    .stars{
      display:flex; gap:6px; align-items:center; margin-top:6px;
    }
    .star{
      width:22px; height:22px;
      display:inline-grid; place-items:center;
      border-radius:8px;
      background: rgba(245,158,11,.12);
      border:1px solid rgba(245,158,11,.24);
    }
    .rating-score{
      display:flex; align-items:flex-end; justify-content:flex-start; gap:10px;
    }
    .rating-score .num{
      font-size:44px;
      font-weight:900;
      letter-spacing:-1px;
      line-height:1;
      background: linear-gradient(135deg, rgba(245,158,11,.95), rgba(255,118,117,.92));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      text-shadow: 0 12px 30px rgba(245,158,11,.15);
    }
    .rating-score .outof{
      color:rgba(16,24,40,.72);
      font-weight:700;
      padding-bottom:8px;
      font-size:14px;
    }

    .pricing-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .price-card{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .price-card h3{margin:0 0 8px; font-size:15px}
    .price-card p{margin:0; color:rgba(16,24,40,.74); font-size:13.5px; line-height:1.7}
    .price-table{
      margin-top:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      overflow:hidden;
      background: rgba(255,255,255,.9);
    }
    .price-table table{
      width:100%;
      border-collapse:collapse;
      font-size:13.5px;
    }
    .price-table th, .price-table td{
      padding:11px 12px;
      border-bottom:1px solid rgba(16,24,40,.08);
      text-align:left;
      vertical-align:top;
      white-space:nowrap;
    }
    .price-table tr:last-child td{border-bottom:none}
    .price-table th{
      background: linear-gradient(135deg, rgba(0,184,148,.12), rgba(0,210,255,.10));
      font-weight:800;
      color:rgba(16,24,40,.92);
      width:42%;
    }
    .delta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(0,210,255,.08);
      color:rgba(16,24,40,.82);
      font-weight:700;
      white-space:nowrap;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      padding:12px 14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    details[open]{
      border-color: rgba(108,92,231,.22);
      box-shadow: var(--shadow2);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      user-select:none;
      padding:4px 0;
      font-weight:800;
      font-size:14px;
      color:rgba(16,24,40,.92);
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.65);
      display:grid; place-items:center;
      flex:0 0 auto;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      margin-top:-2px;
    }
    details[open] .chev{
      transform: rotate(180deg);
      background: rgba(108,92,231,.10);
      border-color: rgba(108,92,231,.22);
    }
    .faq p{
      margin:10px 0 2px;
      color:rgba(16,24,40,.74);
      font-size:13.5px;
      line-height:1.75;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .comment{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(520px 160px at 25% 0%, rgba(108,92,231,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.56));
      height:100%;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .comment .person{
      display:flex; align-items:center; gap:12px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(108,92,231,.18), rgba(0,210,255,.16));
      border:1px solid rgba(16,24,40,.10);
      display:grid; place-items:center;
      font-weight:900;
      color:rgba(16,24,40,.82);
      flex:0 0 auto;
    }
    .person strong{font-size:14px}
    .person span{display:block; color:rgba(16,24,40,.66); font-size:12.5px; margin-top:4px}
    .comment .text{
      margin:0;
      color:rgba(16,24,40,.76);
      font-size:13.5px;
      line-height:1.75;
    }
    .comment .meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px; align-items:center;
    }

    .cases{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .case{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      height:100%;
      display:flex; flex-direction:column;
    }
    .case:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(0,210,255,.22);
    }
    .case .imgwrap{
      padding:10px;
      background:
        linear-gradient(180deg, rgba(108,92,231,.06), rgba(0,210,255,.04));
    }
    .case img{
      width:100%;
      height:auto;
      display:block;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.08);
      object-fit:cover;
      background:#fff;
    }
    .case .body{
      padding:14px 14px 16px;
      display:flex; flex-direction:column; gap:10px;
      flex:1;
    }
    .case h3{margin:0; font-size:15px; letter-spacing:.1px}
    .case p{margin:0; color:rgba(16,24,40,.74); font-size:13.5px; line-height:1.65}
    .case .chips{display:flex; flex-wrap:wrap; gap:8px}
    .case .chips span{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      color:rgba(16,24,40,.82);
      font-size:12.2px;
      white-space:nowrap;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:12px;
      align-items:start;
    }
    .articles{
      padding:14px;
    }
    .article-list{
      margin:0;
      padding:0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .article-item{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
    }
    .article-item:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(108,92,231,.22);
    }
    .article-item strong{
      font-size:14px;
      line-height:1.45;
      letter-spacing:.1px;
    }
    .article-item span{
      display:block;
      margin-top:6px;
      color:rgba(16,24,40,.66);
      font-size:12.5px;
      line-height:1.4;
    }
    .article-item a{
      white-space:nowrap;
      font-size:12.8px;
      color: rgba(16,24,40,.92);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
      flex:0 0 auto;
    }
    .article-item a:hover{
      transform: translateY(-1px);
      border-color: rgba(0,210,255,.22);
      background: rgba(255,255,255,.95);
    }
    .side-card{
      padding:14px;
      height:100%;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-card h3{margin:0; font-size:15px}
    .side-card p{margin:0; color:rgba(16,24,40,.74); font-size:13.5px; line-height:1.75}
    .side-steps{
      display:flex; flex-direction:column; gap:10px; margin-top:auto;
    }
    .mini-step{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:flex-start; gap:10px;
    }
    .mini-step .n{
      width:28px; height:28px;
      border-radius:12px;
      background: rgba(0,210,255,.10);
      border:1px solid rgba(0,210,255,.22);
      display:grid; place-items:center;
      font-weight:900;
      color:rgba(16,24,40,.84);
      flex:0 0 auto;
    }
    .mini-step strong{font-size:13.8px}
    .mini-step span{display:block; color:rgba(16,24,40,.66); margin-top:4px; font-size:12.5px; line-height:1.5}

    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    form{
      padding:16px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
      margin-bottom:12px;
    }
    label{
      font-size:13px;
      color:rgba(16,24,40,.82);
      font-weight:700;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.86);
      outline:none;
      font-size:14px;
      color:rgba(16,24,40,.92);
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    }
    textarea{min-height:108px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(108,92,231,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:12px;
    }
    .hint{
      color:rgba(16,24,40,.62);
      font-size:12.5px;
      line-height:1.55;
      max-width:48ch;
    }
    .success{
      display:none;
      margin-top:10px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(22,163,74,.25);
      background: rgba(22,163,74,.08);
      color: rgba(22,163,74,.95);
      font-weight:800;
      font-size:13.5px;
    }

    .network{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:12px;
      align-items:start;
    }
    .addr{
      padding:16px;
    }
    .addr h3{margin:0 0 8px; font-size:15px}
    .addr p{margin:0; color:rgba(16,24,40,.74); font-size:13.5px; line-height:1.75}
    .maplike{
      margin-top:14px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(520px 200px at 20% 15%, rgba(108,92,231,.16), transparent 60%),
        radial-gradient(520px 220px at 80% 40%, rgba(0,210,255,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.56));
      padding:16px;
      overflow:hidden;
      position:relative;
      min-height:220px;
    }
    .maplike:before{
      content:"";
      position:absolute;
      inset:-40px -40px -40px -40px;
      background:
        repeating-linear-gradient(115deg, rgba(16,24,40,.06) 0 1px, transparent 1px 18px);
      opacity:.35;
      transform: rotate(-4deg);
      pointer-events:none;
    }
    .maplike .nodes{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:8px;
    }
    .node{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.72);
      font-size:13px;
      color:rgba(16,24,40,.82);
      display:flex; align-items:center; gap:10px;
      white-space:nowrap;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .node:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
    }
    .node i{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, rgba(0,184,148,.95), rgba(0,210,255,.95));
      box-shadow: 0 0 0 5px rgba(0,184,148,.12);
      display:inline-block;
    }

    .tags-cloud{
      padding:16px;
    }
    .cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .cloud .c{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      color:rgba(16,24,40,.82);
      font-size:13px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .cloud .c:hover{
      transform: translateY(-2px);
      border-color: rgba(108,92,231,.22);
      box-shadow: var(--shadow2);
    }

    .time-line{
      padding:16px;
    }
    .timeline{
      margin-top:10px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .t-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
    }
    .t-dot{
      width:34px; height:34px;
      border-radius:14px;
      display:grid; place-items:center;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(0,210,255,.10);
      flex:0 0 auto;
      font-weight:900;
      color:rgba(16,24,40,.84);
    }
    .t-item strong{font-size:13.8px}
    .t-item span{display:block; margin-top:4px; color:rgba(16,24,40,.66); font-size:12.5px; line-height:1.5}

    footer{
      padding:22px 0 28px;
      background:
        linear-gradient(180deg, rgba(16,24,40,.00), rgba(16,24,40,.04)),
        radial-gradient(900px 260px at 10% 0%, rgba(108,92,231,.10), transparent 55%);
      border-top:1px solid rgba(16,24,40,.08);
      margin-top:10px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:12px;
      align-items:start;
    }
    .footer-left{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
    }
    .footer-left .row{
      display:flex; align-items:flex-start; gap:12px; flex-wrap:wrap;
    }
    .footer-left h3{margin:0; font-size:15px}
    .footer-left p{margin:8px 0 0; color:rgba(16,24,40,.72); font-size:13.5px; line-height:1.75}
    .footer-links{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.70);
    }
    .footer-links h3{margin:0 0 10px; font-size:15px}
    .links-grid{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .f-link{
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      color:rgba(16,24,40,.86);
      font-size:13px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .f-link:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(0,210,255,.22);
    }
    .copyright{
      margin-top:12px;
      color:rgba(16,24,40,.62);
      font-size:12.5px;
      line-height:1.6;
      text-align:center;
    }

    .to-top{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:80;
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.80);
      backdrop-filter: blur(10px);
      box-shadow: 0 14px 34px rgba(16,24,40,.10);
      display:grid; place-items:center;
      cursor:pointer;
      opacity:0;
      transform: translateY(10px);
      pointer-events:none;
      transition: opacity .25s ease, transform .25s ease, background .2s ease;
    }
    .to-top.show{
      opacity:1;
      transform: translateY(0);
      pointer-events:auto;
    }
    .to-top:hover{background: rgba(255,255,255,.98)}

    .float-kefu{
      position:fixed;
      left:16px;
      bottom:16px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-start;
    }
    .kefu-card{
      width:190px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
      box-shadow: 0 16px 40px rgba(16,24,40,.14);
      overflow:hidden;
      transform-origin: left bottom;
      animation: popIn .35s ease both;
    }
    @keyframes popIn{from{transform: scale(.98) translateY(8px); opacity:.0} to{transform: scale(1) translateY(0); opacity:1}}
    .kefu-head{
      padding:10px 12px;
      background: linear-gradient(135deg, rgba(108,92,231,.14), rgba(0,210,255,.12));
      border-bottom:1px solid rgba(16,24,40,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .kefu-head strong{font-size:13px}
    .kefu-close{
      width:32px; height:32px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      display:grid; place-items:center;
      transition: transform .2s ease, background .2s ease;
    }
    .kefu-close:hover{transform: translateY(-1px); background: rgba(255,255,255,.98)}
    .kefu-body{
      padding:12px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .kefu-body img{
      width:66px; height:66px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      object-fit:cover;
    }
    .kefu-body p{
      margin:0;
      color:rgba(16,24,40,.70);
      font-size:12.7px;
      line-height:1.5;
      flex:1;
    }
    .kefu-btnbar{
      display:flex; gap:10px; padding:0 12px 12px;
      align-items:center;
    }
    .kefu-cta{
      flex:1;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.78);
      cursor:pointer;
      font-weight:800;
      color:rgba(16,24,40,.92);
      font-size:13px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .kefu-cta:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(108,92,231,.22);
      background: rgba(255,255,255,.98);
    }

    .badge-row{
      display:flex; flex-wrap:wrap; gap:10px; margin-top:6px;
    }

    .mobile-only{display:none}

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-right{padding:16px}
      .steps{grid-template-columns:1fr 1fr}
      .scenario{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .comments{grid-template-columns:1fr 1fr}
      .cases{grid-template-columns:1fr 1fr}
      .article-grid{grid-template-columns:1fr}
      .network{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      .nav-links{display:none}
      .nav-cta{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:none}
      .mobile-panel.show{display:block}
      .mobile-only{display:block}
      h1{font-size:30px}
    }
    @media (max-width: 560px){
      .metric-grid{grid-template-columns:1fr 1fr}
      .comments{grid-template-columns:1fr}
      .cases{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .hero-left{padding:22px 16px}
      .hero-right{padding:14px}
      .to-top{right:12px; bottom:88px}
      .float-kefu{left:12px; bottom:12px}
      .kefu-card{width:170px}
      .brand{min-width:auto}
      .brand-title span{display:none}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .fade-in{transition:none}
      details[open], .card:hover, .metric:hover, .step:hover, .case:hover, .article-item:hover, .node:hover, .f-link:hover, .cloud .c:hover, .btn:hover{transform:none}
    }