:root{
      --bg0:#ffffff;
      --bg1:#f6f7fb;
      --bg2:#eef2ff;
      --card:#ffffff;
      --text:#151824;
      --muted:#5a6478;
      --muted2:#7b879b;
      --line:rgba(20,30,50,.10);
      --shadow: 0 10px 30px rgba(16,24,40,.08);
      --shadow2: 0 8px 22px rgba(16,24,40,.10);
      --brand:#2b6cff;
      --brand2:#16c7a1;
      --brand3:#6c4cff;
      --warn:#ff7a59;
      --ok:#18a058;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --pad:18px;
      --focus: 0 0 0 4px rgba(43,108,255,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 10% -10%, rgba(43,108,255,.18), transparent 55%),
        radial-gradient(700px 380px at 95% 10%, rgba(22,199,161,.14), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, var(--bg1) 55%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom:1px solid rgba(20,30,50,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:240px;
    }
    .ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(43,108,255,.14), rgba(22,199,161,.12));
      border:1px solid rgba(20,30,50,.08);
      padding:6px;
    }
    .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(--muted);
      margin-top:2px;
    }

    .nav-right{
      display:flex;
      align-items:center;
      gap:12px;
      justify-content:flex-end;
      flex:1;
      min-width:0;
    }

    .menu{
      display:flex;
      align-items:center;
      gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .menu a{
      text-decoration:none;
      color:var(--muted);
      font-size:13px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      color:var(--text);
      background: rgba(43,108,255,.06);
      border-color: rgba(43,108,255,.12);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:flex-end;
    }

    .btn{
      appearance:none;
      border:none;
      cursor:pointer;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      font-weight:650;
      font-size:13px;
      text-decoration:none;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      line-height:1;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn-primary{
      background: linear-gradient(135deg, var(--brand) 0%, #4b7dff 35%, var(--brand3) 100%);
      color:#fff;
      box-shadow: 0 10px 22px rgba(43,108,255,.18);
      border:1px solid rgba(255,255,255,.18);
    }
    .btn-primary:hover{transform: translateY(-1px); box-shadow: 0 14px 26px rgba(43,108,255,.24)}
    .btn-ghost{
      background:#fff;
      color:var(--text);
      border:1px solid rgba(20,30,50,.12);
    }
    .btn-ghost:hover{transform: translateY(-1px); border-color: rgba(43,108,255,.25); box-shadow: 0 10px 22px rgba(16,24,40,.08)}
    .btn-soft{
      background: rgba(43,108,255,.08);
      color: var(--brand);
      border:1px solid rgba(43,108,255,.16);
    }
    .btn-soft:hover{transform: translateY(-1px); background: rgba(43,108,255,.12)}
    .icon{
      width:16px;height:16px;display:inline-block;
    }

    .burger{
      display:none;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .burger:hover{transform: translateY(-1px); border-color: rgba(43,108,255,.25); box-shadow: 0 12px 22px rgba(16,24,40,.08)}
    .burger:focus{outline:none; box-shadow: var(--focus)}
    .burger-lines{
      width:18px;height:14px; position:relative; margin:0 auto;
    }
    .burger-lines span{
      position:absolute; left:0; right:0;
      height:2px; border-radius:999px;
      background: #1a2233;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger-lines span:nth-child(1){top:1px}
    .burger-lines span:nth-child(2){top:6px}
    .burger-lines span:nth-child(3){top:11px}
    .burger[aria-expanded="true"] .burger-lines span:nth-child(1){top:6px; transform: rotate(45deg)}
    .burger[aria-expanded="true"] .burger-lines span:nth-child(2){opacity:0}
    .burger[aria-expanded="true"] .burger-lines span:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:0 0 16px 0;
    }
    .mobile-menu{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-menu a{
      text-decoration:none;
      color:var(--muted);
      font-size:13px;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      transition: border-color .2s ease, transform .2s ease, background .2s ease, color .2s ease;
    }
    .mobile-menu a:hover{
      transform: translateY(-1px);
      border-color: rgba(43,108,255,.28);
      background: rgba(43,108,255,.06);
      color: var(--text);
    }

    main{padding:24px 0 40px}
    .hero{
      position:relative;
      padding:34px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }

    .hero-left{
      position:relative;
      border-radius: var(--radius);
      padding:26px 22px;
      background:
        radial-gradient(850px 280px at 5% 5%, rgba(43,108,255,.22), transparent 55%),
        radial-gradient(600px 240px at 85% 30%, rgba(22,199,161,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.55));
      border: 1px solid rgba(20,30,50,.10);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .hero-left:before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height:120px;
      background: linear-gradient(90deg, rgba(43,108,255,.20), rgba(22,199,161,.14), rgba(108,76,255,.18));
      filter: blur(18px);
      opacity:.85;
      pointer-events:none;
    }
    .pill-row{
      position:relative;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:12px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.66);
      color:var(--muted);
      font-size:12px;
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand3));
      box-shadow: 0 0 0 4px rgba(43,108,255,.12);
    }

    h1{
      position:relative;
      margin:8px 0 10px;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .lead{
      position:relative;
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:18px;
      position:relative;
    }

    .hero-meta{
      display:flex;
      align-items:center;
      gap:12px;
      margin-top:16px;
      flex-wrap:wrap;
      position:relative;
    }
    .meta-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.66);
      min-width:200px;
    }
    .meta-item b{font-size:13px}
    .meta-item span{
      display:block;
      color:var(--muted2);
      font-size:12px;
      margin-top:3px;
      line-height:1.4;
    }
    .badge{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(43,108,255,.16), rgba(22,199,161,.14));
      border:1px solid rgba(43,108,255,.18);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      flex:0 0 auto;
    }

    .hero-right{
      border-radius: var(--radius);
      padding:18px 18px 16px;
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.56));
      border: 1px solid rgba(20,30,50,.10);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-right:after{
      content:"";
      position:absolute;
      inset:auto -40px -50px -40px;
      height:160px;
      background: radial-gradient(closest-side, rgba(108,76,255,.25), transparent 70%);
      opacity:.65;
      pointer-events:none;
    }

    .right-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:14px;
      position:relative;
    }
    .right-title h2{
      font-size:14px;
      margin:0;
      letter-spacing:.2px;
      color:var(--muted);
      font-weight:750;
    }
    .status{
      display:flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(22,199,161,.10);
      border:1px solid rgba(22,199,161,.18);
      color:#0f6b53;
      font-size:12px;
      font-weight:700;
      position:relative;
    }
    .status i{
      width:10px;height:10px;border-radius:50%;
      background: var(--brand2);
      box-shadow: 0 0 0 5px rgba(22,199,161,.12);
      display:inline-block;
      animation:pulse 2.2s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{transform:scale(1); opacity:1}
      50%{transform:scale(1.12); opacity:.85}
    }

    .kpi-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      position:relative;
    }
    .kpi{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,30,50,.10);
      border-radius: 16px;
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height:88px;
    }
    .kpi:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(16,24,40,.10);
      border-color: rgba(43,108,255,.20);
    }
    .kpi .num{
      font-size:20px;
      font-weight:850;
      letter-spacing:-.3px;
      margin-bottom:6px;
    }
    .kpi .lbl{
      font-size:12px;
      color:var(--muted);
      line-height:1.4;
    }
    .hero-right .mini-note{
      position:relative;
      margin-top:12px;
      padding:12px 12px;
      border-radius: 16px;
      border: 1px dashed rgba(43,108,255,.24);
      background: linear-gradient(180deg, rgba(43,108,255,.08), rgba(255,255,255,.48));
      color: var(--muted);
      font-size:12px;
      line-height:1.6;
    }

    .section{
      padding:28px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:56ch;
    }
    .tagline{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .tag{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
    }
    .tag b{color:var(--text)}
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,30,50,.10);
      border-radius: var(--radius2);
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      padding:16px 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(43,108,255,.20);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .card h3{
      margin:10px 0 6px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .card .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:6px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .chip i{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand3));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(43,108,255,.12);
    }

    .split{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:14px;
      align-items:start;
    }
    .bullets{
      margin:0;
      padding-left:18px;
      color:var(--muted);
      line-height:1.9;
      font-size:13px;
    }
    .bullets li{margin:6px 0}
    .list{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .list-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,30,50,.10);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .list-item:hover{
      transform: translateY(-2px);
      border-color: rgba(22,199,161,.26);
      box-shadow: 0 18px 36px rgba(16,24,40,.09);
    }
    .list-item .mark{
      width:34px;height:34px;border-radius:14px;
      background: rgba(22,199,161,.12);
      border:1px solid rgba(22,199,161,.18);
      display:flex;align-items:center;justify-content:center;
      color:#0f6b53;
      flex:0 0 auto;
      font-weight:900;
    }
    .list-item b{display:block; font-size:14px; margin-top:2px}
    .list-item span{display:block; color:var(--muted); font-size:12.5px; line-height:1.6; margin-top:4px}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
      align-items:stretch;
    }
    .step{
      padding:16px 14px;
      border-radius:16px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.76);
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute;
      inset:auto -40px -40px auto;
      width:90px;height:90px;
      border-radius:50%;
      background: radial-gradient(closest-side, rgba(43,108,255,.22), transparent 70%);
      opacity:.65;
      pointer-events:none;
    }
    .step .n{
      width:38px;height:38px;border-radius:16px;
      background: rgba(43,108,255,.10);
      border:1px solid rgba(43,108,255,.18);
      color:var(--brand);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      font-size:14px;
      margin-bottom:10px;
      position:relative;
    }
    .step b{display:block; font-size:14px; position:relative}
    .step p{margin:8px 0 0; color:var(--muted); font-size:12.8px; line-height:1.7; position:relative}

    .cases-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .case{
      padding:14px 14px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      position:relative;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .case:hover{
      transform: translateY(-2px);
      border-color: rgba(43,108,255,.20);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .case-media{
      border-radius:14px;
      border:1px solid rgba(20,30,50,.08);
      background: linear-gradient(135deg, rgba(43,108,255,.10), rgba(22,199,161,.08));
      padding:10px;
      margin-bottom:12px;
    }
    .case-img{
      width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      object-fit:cover;
      background:#fff;
    }
    .case .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:6px;
    }
    .case .meta .type{
      font-size:12px;
      color:var(--muted);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
      padding:6px 10px;
      border-radius:999px;
      white-space:nowrap;
    }
    .case .meta .time{
      font-size:12px;
      color:var(--muted2);
      white-space:nowrap;
    }
    .case h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.1px;
    }
    .case p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .case .linkrow{
      margin-top:12px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .linkbtn{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.12);
      background:#fff;
      text-decoration:none;
      color:var(--text);
      font-weight:700;
      font-size:13px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .linkbtn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(16,24,40,.10);
      border-color: rgba(43,108,255,.24);
    }

    .compare-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .compare-head{
      padding:16px 16px;
      border-bottom:1px solid rgba(20,30,50,.08);
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
    }
    .compare-head .left{
      display:flex; align-items:center; gap:12px; min-width:240px;
    }
    .stars{
      width:44px;height:44px;border-radius:16px;
      background: linear-gradient(135deg, rgba(255,122,89,.16), rgba(43,108,255,.12));
      border:1px solid rgba(255,122,89,.22);
      display:flex;align-items:center;justify-content:center;
    }
    .compare-head h3{margin:0; font-size:16px}
    .compare-head p{margin:4px 0 0; color:var(--muted); font-size:13px; line-height:1.6}
    .compare-score{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      justify-content:flex-end;
    }
    .scorebox{
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
      min-width:180px;
    }
    .scorebox b{display:block; font-size:18px; letter-spacing:-.3px}
    .scorebox span{display:block; color:var(--muted); font-size:12.5px; margin-top:4px; line-height:1.5}
    .table-scroll{
      overflow:auto;
      -webkit-overflow-scrolling: touch;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:780px;
    }
    th,td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,30,50,.08);
      vertical-align:top;
      text-align:left;
      font-size:13px;
      color:var(--muted);
      line-height:1.6;
      background: rgba(255,255,255,.65);
    }
    th{
      position:sticky;
      top:0;
      z-index:2;
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.76));
      color:var(--text);
      border-bottom:1px solid rgba(20,30,50,.10);
      font-weight:850;
      letter-spacing:.1px;
    }
    tr:last-child td{border-bottom:none}
    .col-title{
      color:var(--text);
      font-weight:900;
    }
    .yes{
      display:inline-flex; align-items:center; gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background: rgba(22,199,161,.10);
      border:1px solid rgba(22,199,161,.18);
      color:#0f6b53;
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .no{
      display:inline-flex; align-items:center; gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background: rgba(255,122,89,.10);
      border:1px solid rgba(255,122,89,.18);
      color:#8a2a12;
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .emph{
      color:var(--text);
      font-weight:900;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .faq-item{
      border-radius:16px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
      transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    }
    .faq-item:hover{
      transform: translateY(-2px);
      border-color: rgba(43,108,255,.22);
      box-shadow: 0 18px 36px rgba(16,24,40,.09);
    }
    .faq-q{
      width:100%;
      text-align:left;
      padding:14px 14px;
      background: transparent;
      border:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      color:var(--text);
      font-weight:850;
      font-size:13.8px;
      line-height:1.5;
    }
    .faq-q:focus{outline:none; box-shadow: var(--focus)}
    .chev{
      width:24px;height:24px;border-radius:10px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.7);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease;
      margin-top:2px;
    }
    .faq-item[data-open="true"] .chev{transform: rotate(180deg)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition: max-height .25s ease;
      padding:0 14px;
    }
    .faq-item[data-open="true"] .faq-a{max-height:360px; padding-bottom:14px}
    .faq-a p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .review{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      padding:16px 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .review:before{
      content:"";
      position:absolute;
      inset:-40px auto auto -40px;
      width:120px;height:120px;border-radius:50%;
      background: radial-gradient(closest-side, rgba(43,108,255,.18), transparent 70%);
      pointer-events:none;
      opacity:.9;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(22,199,161,.24);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .review .row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      position:relative;
    }
    .avatar{
      width:42px;height:42px;border-radius:16px;
      background: linear-gradient(135deg, rgba(22,199,161,.14), rgba(43,108,255,.12));
      border:1px solid rgba(20,30,50,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color: #0f6b53;
      flex:0 0 auto;
    }
    .review b{display:block; font-size:14px; margin-top:2px; position:relative}
    .review .role{
      color:var(--muted2);
      font-size:12.5px;
      margin-top:4px;
      position:relative;
      line-height:1.4;
    }
    .starsline{
      display:flex; gap:2px; color:#ffb020; position:relative;
    }
    .quote{
      margin:12px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
      position:relative;
    }

    .news-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .news-list{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .news-item{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .news-item:hover{
      transform: translateY(-2px);
      border-color: rgba(43,108,255,.22);
      box-shadow: 0 18px 36px rgba(16,24,40,.10);
    }
    .news-item .t{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .news-item b{
      font-size:13.8px;
      letter-spacing:-.05px;
    }
    .news-item span{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
    }
    .news-item a{
      text-decoration:none;
      padding:9px 11px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.12);
      background:#fff;
      font-weight:800;
      font-size:12.8px;
      color:var(--text);
      white-space:nowrap;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .news-item a:hover{
      transform: translateY(-1px);
      border-color: rgba(43,108,255,.24);
      box-shadow: 0 16px 30px rgba(16,24,40,.10);
    }

    .side-panel{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding:16px 16px;
      overflow:hidden;
      position:relative;
    }
    .side-panel:before{
      content:"";
      position:absolute;
      inset:-60px -60px auto auto;
      width:160px;height:160px;border-radius:50%;
      background: radial-gradient(closest-side, rgba(22,199,161,.18), transparent 70%);
      opacity:.9;
      pointer-events:none;
    }
    .side-panel h3{margin:0 0 10px; font-size:16px; position:relative}
    .side-panel p{margin:0; color:var(--muted); font-size:13px; line-height:1.75; position:relative}
    .model-cloud{
      margin-top:12px;
      display:flex; gap:8px; flex-wrap:wrap;
      position:relative;
    }
    .cloud-chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
      font-size:12px;
      color:var(--muted);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .cloud-chip:hover{
      transform: translateY(-2px);
      border-color: rgba(22,199,161,.26);
      background: rgba(22,199,161,.08);
      color: #0f6b53;
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:10px;
    }
    .form .full{grid-column: 1 / -1}
    label{
      display:block;
      font-size:12.8px;
      color:var(--muted);
      margin:0 0 8px;
      font-weight:750;
    }
    input,select,textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.84);
      color:var(--text);
      font-size:13.5px;
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(43,108,255,.38);
      background:#fff;
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
      margin-top:12px;
    }
    .helper{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
      max-width:56ch;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:18px;
      transform: translateX(-50%);
      background: rgba(15,20,35,.92);
      color:#fff;
      padding:12px 14px;
      border-radius:16px;
      box-shadow: 0 18px 40px rgba(0,0,0,.20);
      border:1px solid rgba(255,255,255,.12);
      z-index:100;
      display:none;
      max-width:92vw;
    }
    .toast b{display:block; font-size:13px}
    .toast span{display:block; font-size:12.5px; color: rgba(255,255,255,.85); margin-top:3px; line-height:1.5}

    .footer{
      background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.92));
      border-top:1px solid rgba(20,30,50,.08);
      padding:22px 0 28px;
      margin-top:10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.86);
      box-shadow: var(--shadow);
      padding:16px 16px;
    }
    .footer-card h3{margin:0 0 10px; font-size:16px}
    .foot-row{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .foot-kv{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,30,50,.10);
      background: rgba(255,255,255,.7);
    }
    .foot-kv b{display:block; color:var(--text); font-size:13.2px; margin-top:1px}
    .foot-kv span{display:block; color:var(--muted); font-size:12.7px; margin-top:4px}
    .qrcode{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .qrcode img{
      width:94px;height:94px;border-radius:18px;
      object-fit:cover;
      border:1px solid rgba(20,30,50,.10);
      background:#fff;
    }
    .friends{
      margin-top:10px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .friends a{
      text-decoration:none;
      color:var(--brand);
      font-weight:800;
      font-size:12.8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(43,108,255,.18);
      background: rgba(43,108,255,.06);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .friends a:hover{transform: translateY(-2px); border-color: rgba(43,108,255,.28); background: rgba(43,108,255,.10)}
    .copy{
      margin-top:14px;
      color:var(--muted2);
      font-size:12.5px;
      display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
    }

    .backtop{
      position:fixed;
      right:14px;
      bottom:92px;
      width:46px;height:46px;
      border-radius:18px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 16px 30px rgba(16,24,40,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s ease, opacity .18s ease, box-shadow .18s ease;
      opacity:0;
      pointer-events:none;
      z-index:90;
    }
    .backtop.show{
      opacity:1;
      pointer-events:auto;
    }
    .backtop:hover{transform: translateY(-2px); box-shadow: 0 22px 44px rgba(16,24,40,.16)}
    .backtop:focus{outline:none; box-shadow: var(--focus)}

    .float-kefu{
      position:fixed;
      right:14px;
      bottom:34px;
      z-index:95;
      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:18px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 40px rgba(16,24,40,.14);
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      user-select:none;
      max-width:calc(100vw - 28px);
    }
    .float-btn:hover{transform: translateY(-2px); border-color: rgba(43,108,255,.26); box-shadow: 0 22px 44px rgba(16,24,40,.18)}
    .float-btn:focus{outline:none; box-shadow: var(--focus)}
    .float-avatar{
      width:38px;height:38px;border-radius:16px;
      background: linear-gradient(135deg, rgba(22,199,161,.16), rgba(43,108,255,.12));
      border:1px solid rgba(20,30,50,.10);
      display:flex; align-items:center; justify-content:center;
      color:#0f6b53; font-weight:900;
    }
    .float-btn b{font-size:13.5px}
    .float-btn span{display:block; font-size:12.3px; color:var(--muted); margin-top:2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
    .kefu-pop{
      width:min(320px, calc(100vw - 28px));
      border-radius:22px;
      border:1px solid rgba(20,30,50,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 26px 60px rgba(0,0,0,.18);
      overflow:hidden;
      display:none;
      transform-origin: 90% 100%;
    }
    .kefu-pop.show{display:block; animation: popIn .18s ease-out both}
    @keyframes popIn{
      from{transform: scale(.98); opacity:.0}
      to{transform: scale(1); opacity:1}
    }
    .kefu-pop .hd{
      padding:12px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      border-bottom:1px solid rgba(20,30,50,.08);
      background: linear-gradient(180deg, rgba(43,108,255,.10), rgba(255,255,255,.80));
    }
    .kefu-pop .hd b{font-size:13.8px}
    .kefu-pop .close{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(20,30,50,.12);
      background:#fff;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .kefu-pop .close:hover{transform: translateY(-2px); border-color: rgba(43,108,255,.24); box-shadow: 0 18px 36px rgba(16,24,40,.12)}
    .kefu-pop .bd{
      padding:12px 14px 14px;
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .kefu-pop .bd p{
      margin:0;
      color:var(--muted);
      font-size:12.8px;
      line-height:1.7;
    }
    .kefu-pop .bd img{
      width:100%;
      max-width:260px;
      height:auto;
      border-radius:18px;
      border:1px solid rgba(20,30,50,.10);
      background:#fff;
      justify-self:center;
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      .hero-right{order:2}
      h1{font-size:30px}
      .grid-3{grid-template-columns: 1fr}
      .split{grid-template-columns:1fr}
      .steps{grid-template-columns: repeat(2, 1fr)}
      .cases-grid{grid-template-columns: repeat(2, 1fr)}
      .faq-grid{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .news-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .form{grid-template-columns: 1fr}
    }
    @media (max-width: 780px){
      .menu{display:none}
      .burger{display:block}
      .mobile-panel{display:block}
      .nav-wrap{padding:12px 0}
      .brand{min-width:auto}
      .kpi-grid{grid-template-columns:1fr 1fr}
      .meta-item{min-width:0; flex:1}
      .cases-grid{grid-template-columns:1fr}
      .steps{grid-template-columns: 1fr}
      .float-btn span{max-width:160px}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .status i{animation:none}
      .reveal{transition:none}
    }