:root{
      --bg0:#f7fafb;
      --bg1:#f4f7ff;
      --card:#ffffff;
      --text:#0f172a;
      --muted:#5b6b7c;
      --muted2:#7a8a9c;
      --border:rgba(15,23,42,.10);
      --border2:rgba(15,23,42,.14);
      --shadow: 0 16px 48px rgba(15,23,42,.10);
      --shadow2: 0 10px 30px rgba(15,23,42,.10);
      --shadow3: 0 6px 18px rgba(15,23,42,.08);
      --brandA:#0ea5e9;
      --brandB:#06b6d4;
      --brandC:#22c55e;
      --brandD:#3b82f6;
      --accent:#12b981;
      --warn:#f59e0b;
      --danger:#ef4444;
      --radius:18px;
      --radius2:22px;
      --container:1120px;
      --container-pad:20px;
      --focus: 0 0 0 4px rgba(14,165,233,.20);
      --grid-gap:16px;
      --grad: linear-gradient(135deg, rgba(14,165,233,.18), rgba(6,182,212,.12) 42%, rgba(34,197,94,.10));
      --grad2: linear-gradient(135deg, rgba(14,165,233,.22), rgba(59,130,246,.10) 55%, rgba(6,182,212,.12));
      --grad3: linear-gradient(135deg, rgba(34,197,94,.12), rgba(6,182,212,.12) 40%, rgba(14,165,233,.12));
      --blueSolid:#0ea5e9;
      --blueSolid2:#0284c7;
      --tealSolid:#06b6d4;
      --greenSolid:#16a34a;
    }

    *{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(900px 420px at 20% -5%, rgba(14,165,233,.18), transparent 60%),
        radial-gradient(820px 420px at 85% 10%, rgba(6,182,212,.14), transparent 58%),
        radial-gradient(760px 380px at 30% 30%, rgba(34,197,94,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 60%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
      outline:none;
      box-shadow: var(--focus);
      border-color: rgba(14,165,233,.45) !important;
    }

    .container{
      width:min(var(--container), calc(100vw - var(--container-pad)*2));
      margin:0 auto;
    }

    .skip-link{
      position:absolute;
      left:-999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:18px; top:14px;
      width:auto; height:auto;
      padding:10px 12px;
      background:#fff;
      border:1px solid var(--border2);
      border-radius:12px;
      z-index:9999;
      box-shadow: var(--shadow3);
    }

    header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter: blur(10px);
      background: rgba(247,250,251,.72);
      border-bottom:1px solid rgba(15,23,42,.06);
    }
    .nav-wrap{
      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:44px;
      height:44px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(14,165,233,.20), rgba(6,182,212,.12));
      border:1px solid rgba(15,23,42,.08);
      padding:6px;
      object-fit:contain;
    }
    .brand-meta{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-meta strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-meta span{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      flex:1;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(15,23,42,.78);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(14,165,233,.08);
      border-color: rgba(14,165,233,.20);
      transform: translateY(-1px);
    }

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

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      font-weight:700;
      font-size:13px;
      border:1px solid rgba(15,23,42,.12);
      background:#fff;
      color:rgba(15,23,42,.88);
      box-shadow: 0 1px 0 rgba(15,23,42,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 26px rgba(2,132,199,.12);
      border-color: rgba(14,165,233,.30);
    }
    .btn-primary{
      background: linear-gradient(135deg, rgba(14,165,233,.98), rgba(6,182,212,.92));
      border-color: rgba(14,165,233,.35);
      color:#fff;
      box-shadow: 0 16px 40px rgba(14,165,233,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 46px rgba(14,165,233,.26);
      border-color: rgba(255,255,255,.20);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border-color: rgba(15,23,42,.10);
    }
    .btn-small{
      padding:9px 12px;
      border-radius:12px;
      font-size:12.5px;
      font-weight:700;
    }

    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background:#fff;
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .menu-toggle:hover{transform: translateY(-1px); box-shadow: var(--shadow3); border-color: rgba(14,165,233,.30);}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0;
      height:2px; background: rgba(15,23,42,.72);
      border-radius:2px;
      transition: transform .18s ease, opacity .18s ease, top .18s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .menu-open .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .menu-open .burger span:nth-child(2){opacity:0}
    .menu-open .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:10px 0 14px;
    }
    .mobile-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-grid a{
      padding:12px 12px;
      border:1px solid rgba(15,23,42,.10);
      border-radius:16px;
      background: rgba(255,255,255,.75);
      font-weight:800;
      font-size:13px;
      color:rgba(15,23,42,.88);
      transition: transform .18s ease, border-color .18s ease;
    }
    .mobile-grid a:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.25);}

    main{padding:18px 0 40px}

    .hero{
      padding:22px 0 6px;
    }
    .hero-card{
      border-radius: calc(var(--radius2) + 6px);
      border:1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(900px 420px at 20% 10%, rgba(14,165,233,.22), transparent 58%),
        radial-gradient(820px 400px at 85% 15%, rgba(6,182,212,.18), transparent 55%),
        linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,255,255,.70));
      box-shadow: 0 26px 70px rgba(2,132,199,.14);
      overflow:hidden;
      position:relative;
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      padding:26px;
      align-items:stretch;
    }
    .hero-left{
      padding:6px 0;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      width:max-content;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(14,165,233,.22);
      background: rgba(14,165,233,.08);
      color: rgba(2,132,199,.98);
      font-weight:900;
      font-size:12.5px;
      letter-spacing:.2px;
    }
    .dot{
      width:10px; height:10px;
      border-radius:50%;
      background: linear-gradient(135deg, rgba(14,165,233,1), rgba(6,182,212,1));
      box-shadow: 0 0 0 4px rgba(14,165,233,.18);
    }

    .hero h1{
      margin:0;
      font-size:36px;
      line-height:1.12;
      letter-spacing:-.5px;
    }
    .hero p{
      margin:0;
      color: rgba(15,23,42,.74);
      font-size:15.5px;
      line-height:1.7;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:4px;
    }
    .meta-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:6px;
    }
    .meta-pill{
      display:flex;
      gap:10px;
      align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      color: rgba(15,23,42,.82);
      min-width: 190px;
    }
    .meta-pill b{font-size:13px}
    .meta-pill span{font-size:12.5px; color:var(--muted)}
    .icon{
      width:34px; height:34px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(14,165,233,.09);
    }
    .icon svg{width:18px; height:18px; fill:none; stroke: rgba(2,132,199,.96); stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}

    .hero-right{
      padding:4px;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .metric{
      border-radius:18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      padding:14px 14px 12px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow3);
      border-color: rgba(14,165,233,.28);
    }
    .metric:before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(180px 100px at 20% 0%, rgba(14,165,233,.18), transparent 55%),
                  radial-gradient(160px 90px at 90% 20%, rgba(6,182,212,.14), transparent 55%);
      pointer-events:none;
      opacity:.85;
    }
    .metric > *{position:relative}
    .metric .num{
      font-weight:950;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .metric .label{
      margin-top:6px;
      font-size:12.5px;
      color: var(--muted);
      line-height:1.3;
      font-weight:700;
    }
    .focus-card{
      border-radius:22px;
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(14,165,233,.10), rgba(255,255,255,.72));
      padding:14px 14px 12px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .focus-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(34,197,94,.22);
      background: rgba(34,197,94,.08);
      font-weight:900;
      color: rgba(21,128,61,.96);
      font-size:12.5px;
      width:max-content;
    }
    .pulse{
      width:10px; height:10px; border-radius:50%;
      background: rgba(34,197,94,1);
      box-shadow: 0 0 0 0 rgba(34,197,94,.30);
      animation: pulse 1.8s ease-in-out infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(34,197,94,.30)}
      65%{box-shadow:0 0 0 10px rgba(34,197,94,0)}
      100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}
    }
    .focus-card h3{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .focus-card p{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size:12.8px;
      line-height:1.55;
    }
    .chips{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:2px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      font-weight:800;
      font-size:12px;
      color: rgba(15,23,42,.80);
      transition: transform .18s ease, border-color .18s ease;
    }
    .chip:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.28);}

    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width:62ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:var(--grid-gap);
    }
    .card{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius);
      box-shadow: 0 1px 0 rgba(15,23,42,.05);
      padding:16px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow3);
      border-color: rgba(14,165,233,.24);
    }
    .card h3{
      margin:10px 0 8px;
      font-size:15px;
      letter-spacing:.1px;
    }
    .card p{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size:13.2px;
      line-height:1.65;
    }
    .card .topline{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(14,165,233,.20);
      background: rgba(14,165,233,.08);
      font-weight:900;
      font-size:12px;
      color: rgba(2,132,199,.98);
      white-space:nowrap;
    }
    .tag svg{width:14px; height:14px; fill:none; stroke: rgba(2,132,199,.98); stroke-width:2; stroke-linecap:round; stroke-linejoin:round;}
    .mini{
      font-size:12px;
      color:var(--muted2);
      font-weight:800;
      letter-spacing:.2px;
      white-space:nowrap;
    }

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:var(--grid-gap);
      align-items:start;
    }

    .timeline{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:18px; top:14px; bottom:14px;
      width:2px;
      background: linear-gradient(180deg, rgba(14,165,233,.55), rgba(6,182,212,.15));
      opacity:.75;
    }
    .t-item{
      display:flex;
      gap:14px;
      padding:8px 0;
      position:relative;
    }
    .t-dot{
      width:12px; height:12px;
      border-radius:50%;
      background: linear-gradient(135deg, rgba(14,165,233,1), rgba(6,182,212,1));
      box-shadow: 0 0 0 6px rgba(14,165,233,.14);
      margin-left:12px;
      flex:0 0 auto;
      margin-top:8px;
    }
    .t-content{
      padding-left:6px;
    }
    .t-content b{
      display:block;
      font-size:14px;
      margin-bottom:4px;
      letter-spacing:.1px;
    }
    .t-content span{
      display:block;
      color: rgba(15,23,42,.70);
      font-size:13px;
      line-height:1.65;
    }

    .table-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      overflow:hidden;
    }
    table{
      width:100%;
      border-collapse:collapse;
      font-size:13px;
      min-width: 760px;
    }
    .table-scroll{overflow:auto; -webkit-overflow-scrolling:touch}
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(15,23,42,.08);
      vertical-align:top;
      text-align:left;
    }
    th{
      background: linear-gradient(135deg, rgba(14,165,233,.10), rgba(255,255,255,.78));
      font-weight:950;
      color: rgba(15,23,42,.88);
    }
    .score{
      font-weight:950;
      font-size:16px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .star{
      color: #f59e0b;
      letter-spacing:1px;
      font-size:16px;
      text-shadow: 0 8px 20px rgba(245,158,11,.20);
    }
    .pill-score{
      display:inline-flex;
      align-items:center;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(245,158,11,.25);
      background: rgba(245,158,11,.10);
      font-weight:950;
    }
    .kpi-list{
      display:flex;
      flex-direction:column;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .kpi-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color: rgba(15,23,42,.72);
      line-height:1.6;
      font-weight:700;
    }
    .check{
      width:18px; height:18px;
      border-radius:6px;
      border:1px solid rgba(34,197,94,.25);
      background: rgba(34,197,94,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .check svg{width:12px; height:12px; stroke: rgba(21,128,61,.98); stroke-width:2.3; fill:none; stroke-linecap:round; stroke-linejoin:round;}

    .list-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .inline-list{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;
    }
    .mini-chip{
      padding:7px 9px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.62);
      font-size:12px;
      font-weight:900;
      color: rgba(15,23,42,.80);
    }

    details.faq{
      background: rgba(255,255,255,.78);
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius);
      padding:0;
      overflow:hidden;
      transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    details.faq[open]{
      border-color: rgba(14,165,233,.25);
      box-shadow: var(--shadow3);
      transform: translateY(-2px);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:950;
      font-size:14px;
      line-height:1.45;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .faq-arrow{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(14,165,233,.06);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      margin-top:-2px;
    }
    details[open] .faq-arrow{
      transform: rotate(180deg);
      background: rgba(14,165,233,.10);
      border-color: rgba(14,165,233,.22);
    }
    .faq-arrow svg{
      width:16px; height:16px;
      stroke: rgba(2,132,199,.96);
      stroke-width:2.2;
      fill:none;
      stroke-linecap:round;
      stroke-linejoin:round;
    }
    .faq-body{
      padding:0 16px 16px;
      color: rgba(15,23,42,.72);
      font-size:13.3px;
      line-height:1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .review{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .review:hover{transform: translateY(-2px); box-shadow: var(--shadow3); border-color: rgba(14,165,233,.25);}
    .review:before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(240px 120px at 15% 0%, rgba(14,165,233,.18), transparent 58%),
                  radial-gradient(220px 110px at 90% 30%, rgba(6,182,212,.14), transparent 55%);
      pointer-events:none;
      opacity:.8;
    }
    .review > *{position:relative}
    .review-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(14,165,233,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color: rgba(2,132,199,.98);
      letter-spacing:.2px;
    }
    .review-role{
      font-size:12.5px;
      color: var(--muted);
      font-weight:800;
      margin-top:2px;
    }
    .review-stars{
      color:#f59e0b;
      letter-spacing:1px;
      font-weight:1000;
      font-size:13px;
      margin-top:2px;
      white-space:nowrap;
    }
    .review p{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size:13.3px;
      line-height:1.7;
      font-weight:700;
    }

    .articles{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .article{
      padding:16px;
      border-radius: var(--radius2);
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .article:hover{transform: translateY(-2px); box-shadow: var(--shadow3); border-color: rgba(14,165,233,.25);}
    .article b{
      font-size:14.5px;
      letter-spacing:.1px;
      line-height:1.5;
    }
    .article span{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      font-weight:800;
    }
    .article a.link{
      margin-top:auto;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:950;
      font-size:13px;
      color: rgba(2,132,199,.98);
      padding:9px 12px;
      border-radius:14px;
      border:1px solid rgba(14,165,233,.20);
      background: rgba(14,165,233,.08);
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      width:max-content;
    }
    .article a.link:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.30); background: rgba(14,165,233,.10);}
    .article a.link svg{width:16px; height:16px; stroke: rgba(2,132,199,.98); stroke-width:2.2; fill:none; stroke-linecap:round; stroke-linejoin:round;}

    .form-card{
      border-radius: calc(var(--radius2) + 6px);
      border:1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(14,165,233,.10), rgba(255,255,255,.82) 55%, rgba(6,182,212,.10));
      padding:18px;
      box-shadow: 0 20px 56px rgba(2,132,199,.12);
    }
    .form-grid{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:12px;
      align-items:start;
    }
    label{
      display:block;
      font-size:12.5px;
      color: rgba(15,23,42,.78);
      font-weight:900;
      margin:0 0 8px 2px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.82);
      color: rgba(15,23,42,.90);
      font-weight:800;
      font-size:13.5px;
      transition: border-color .18s ease, box-shadow .18s ease;
    }
    textarea{
      min-height:110px;
      resize: vertical;
      max-height: 220px;
    }
    .form-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      flex-wrap:wrap;
    }
    .form-note{
      color: var(--muted);
      font-size:12.5px;
      line-height:1.6;
      font-weight:800;
      max-width: 56ch;
    }

    footer{
      background: linear-gradient(180deg, rgba(247,250,251,.0), rgba(247,250,251,.86));
      border-top:1px solid rgba(15,23,42,.08);
      padding:22px 0 26px;
      margin-top:10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap:16px;
      align-items:start;
    }
    .footer-card{
      background: rgba(255,255,255,.75);
      border:1px solid rgba(15,23,42,.10);
      border-radius: var(--radius2);
      padding:16px;
    }
    .footer-card h3{
      margin:0 0 10px;
      font-size:14px;
      letter-spacing:.1px;
    }
    .footer-card p{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size:13px;
      line-height:1.7;
      font-weight:800;
    }
    .footer-links{
      display:flex; flex-direction:column; gap:10px; margin-top:8px;
    }
    .footer-links a{
      font-weight:900;
      font-size:13px;
      color: rgba(2,132,199,.98);
      display:flex; align-items:center; gap:10px;
      padding:9px 10px;
      border-radius:14px;
      border:1px solid rgba(14,165,233,.18);
      background: rgba(14,165,233,.06);
      width:100%;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.30); background: rgba(14,165,233,.10);}
    .footer-links svg{width:16px; height:16px; stroke: rgba(2,132,199,.98); stroke-width:2.2; fill:none; stroke-linecap:round; stroke-linejoin:round;}

    .copyright{
      margin-top:14px;
      color: var(--muted);
      font-size:12.5px;
      font-weight:800;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .friend{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .friend a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      font-weight:950;
      font-size:12px;
      color: rgba(15,23,42,.80);
      transition: transform .18s ease, border-color .18s ease;
    }
    .friend a:hover{transform: translateY(-1px); border-color: rgba(14,165,233,.26);}
    
    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.show{
      opacity:1;
      transform: translateY(0);
    }

    .backtop{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:1200;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .fab{
      pointer-events:auto;
      width:46px; height:46px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
      display:flex; align-items:center; justify-content:center;
      box-shadow: var(--shadow3);
      cursor:pointer;
      transition: transform .18s ease, opacity .18s ease;
      opacity:0;
      transform: translateY(8px);
    }
    .fab.show{
      opacity:1;
      transform: translateY(0);
    }
    .fab:hover{transform: translateY(-2px);}
    .fab svg{width:20px; height:20px; stroke: rgba(2,132,199,.98); stroke-width:2.2; fill:none; stroke-linecap:round; stroke-linejoin:round;}

    .float-chat{
      pointer-events:auto;
      width:170px;
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(14,165,233,.22);
      background: rgba(255,255,255,.82);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow3);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      opacity:0;
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease;
    }
    .float-chat.show{opacity:1; transform: translateY(0);}
    .chat-left{
      display:flex; align-items:center; gap:10px;
      min-width:0;
    }
    .chat-icon{
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(14,165,233,.10);
      border:1px solid rgba(14,165,233,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .chat-icon svg{width:18px; height:18px; stroke: rgba(2,132,199,.98); stroke-width:2.2; fill:none; stroke-linecap:round; stroke-linejoin:round;}
    .chat-text{
      display:flex; flex-direction:column; gap:2px; min-width:0;
    }
    .chat-text b{
      font-size:12.8px;
      font-weight:1000;
      letter-spacing:.1px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:92px;
    }
    .chat-text span{
      font-size:12px;
      color: var(--muted);
      font-weight:900;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:92px;
    }

    .modal{
      position:fixed;
      inset:0;
      z-index:2000;
      display:none;
      align-items:center;
      justify-content:center;
      padding:18px;
    }
    .modal.show{display:flex}
    .modal-backdrop{
      position:absolute;
      inset:0;
      background: rgba(2,6,23,.35);
      backdrop-filter: blur(4px);
    }
    .modal-panel{
      position:relative;
      width:min(980px, 100%);
      border-radius: 24px;
      border:1px solid rgba(255,255,255,.18);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.86));
      box-shadow: 0 40px 120px rgba(2,6,23,.35);
      overflow:hidden;
    }
    .modal-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 16px;
      border-bottom:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      gap:10px;
    }
    .modal-head b{
      font-size:14px;
      font-weight:1000;
      letter-spacing:.1px;
    }
    .close-btn{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.12);
      background:#fff;
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .close-btn:hover{transform: translateY(-1px);}
    .close-btn svg{width:18px; height:18px; stroke: rgba(15,23,42,.78); stroke-width:2.4; fill:none; stroke-linecap:round; stroke-linejoin:round;}
    .modal-body{
      padding:16px;
      display:grid;
      grid-template-columns: 1fr 320px;
      gap:14px;
      align-items:start;
    }
    .modal-main{
      padding:12px;
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
    }
    .modal-main h3{
      margin:0 0 10px;
      font-size:15px;
      letter-spacing:.1px;
    }
    .modal-main p{
      margin:0;
      color: rgba(15,23,42,.72);
      font-size:13px;
      line-height:1.75;
      font-weight:800;
    }
    .modal-side{
      padding:12px;
      border-radius: 18px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.78);
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:center;
      text-align:center;
    }
    .modal-side img{
      width:220px;
      height:auto;
      border-radius:16px;
      border:1px solid rgba(15,23,42,.10);
      background:#fff;
    }
    .modal-side span{
      color: var(--muted);
      font-size:12.5px;
      font-weight:900;
      line-height:1.6;
    }

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; padding:18px}
      .hero h1{font-size:30px}
      .data-grid{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .split{grid-template-columns: 1fr}
      .list-grid{grid-template-columns: 1fr 1fr}
      .reviews{grid-template-columns: 1fr 1fr}
      .articles{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .modal-body{grid-template-columns: 1fr; }
      .modal-side img{width:100%;}
      table{min-width: 680px;}
    }
    @media (max-width: 720px){
      .nav-links{display:none}
      .nav-actions .btn-ghost{display:none}
      .menu-toggle{display:flex}
      .mobile-panel{display:block}
      .mobile-panel[aria-hidden="true"]{display:none}
      .mobile-panel[aria-hidden="false"]{display:block}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr}
      .list-grid{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .meta-pill{min-width: 0; width:100%}
      .float-chat{display:none}
    }

    @media (prefers-reduced-motion: reduce){
      *{animation:none !important; transition:none !important; scroll-behavior:auto !important}
      .fade-in{opacity:1; transform:none}
    }