:root{
      --bg: #f7f6ff;
      --panel: rgba(255,255,255,.78);
      --panel2:#ffffff;
      --text:#14171f;
      --muted:#5b6475;
      --border: rgba(20,23,31,.10);
      --shadow: 0 16px 40px rgba(19, 36, 66, .10);
      --shadow2: 0 10px 24px rgba(19, 36, 66, .10);
      --accent1:#5b8cff;
      --accent2:#9b5cff;
      --accent3:#20c997;
      --accent4:#ff7a59;
      --ring: rgba(91,140,255,.25);
      --radius-xl: 22px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 10px;
      --container: 1120px;
      --gutter: 20px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 520px at 20% -10%, rgba(91,140,255,.25), transparent 60%),
        radial-gradient(900px 480px at 85% 0%, rgba(155,92,255,.20), transparent 62%),
        radial-gradient(900px 520px at 70% 80%, rgba(32,201,151,.14), transparent 65%),
        linear-gradient(180deg, #fbfbff 0%, var(--bg) 40%, #f6f7ff 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}

    .container{
      width:100%;
      max-width:var(--container);
      padding:0 var(--gutter);
      margin:0 auto;
    }

    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:16px; width:auto; height:auto; z-index:9999;
      background:#fff; border:1px solid var(--border);
      padding:10px 12px; border-radius:10px; box-shadow:var(--shadow2);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(247,246,255,.70);
      border-bottom: 1px solid rgba(20,23,31,.06);
    }

    .nav-wrap{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 0;}
    .brand{display:flex; align-items:center; gap:10px; min-width: 220px;}
    .ai-page-logo{
      width:44px; height:44px;
      border-radius:14px;
      background: linear-gradient(135deg, rgba(91,140,255,.20), rgba(155,92,255,.15));
      padding:6px;
      box-shadow: 0 10px 24px rgba(91,140,255,.12);
      object-fit:contain;
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-name{font-weight:800; letter-spacing:.2px}
    .brand-sub{font-size:12px; color:var(--muted); margin-top:2px}

    .nav-left{
      display:flex; align-items:center; gap:12px;
    }

    nav{display:flex; align-items:center; gap:10px; flex:1; justify-content:flex-end}
    .menu{
      display:flex; align-items:center; gap:6px; flex-wrap:wrap;
      justify-content:flex-end;
    }

    .nav-link{
      padding:10px 10px;
      border-radius:12px;
      color:#232938;
      font-size:13px;
      border:1px solid transparent;
      transition: transform .15s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,255,255,.60);
      border-color: rgba(20,23,31,.08);
      transform: translateY(-1px);
    }

    .nav-right{
      display:flex; align-items:center; gap:10px;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.75);
      color:#1b2130;
      font-weight:700;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 28px rgba(19, 36, 66, .10);
      border-color: rgba(20,23,31,.16);
      background: rgba(255,255,255,.90);
    }
    .btn:active{transform: translateY(0)}
    .btn-primary{
      border-color: rgba(91,140,255,.28);
      background: linear-gradient(135deg, rgba(91,140,255,.95), rgba(155,92,255,.92));
      color:#fff;
      box-shadow: 0 18px 32px rgba(91,140,255,.22);
    }
    .btn-primary:hover{
      background: linear-gradient(135deg, rgba(91,140,255,1), rgba(155,92,255,1));
      box-shadow: 0 22px 46px rgba(91,140,255,.26);
      border-color: rgba(255,255,255,.18);
    }
    .btn-ghost{
      background: rgba(255,255,255,.60);
    }

    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: conic-gradient(from 210deg, var(--accent1), var(--accent2), var(--accent3), var(--accent4), var(--accent1));
      box-shadow: 0 0 0 6px rgba(91,140,255,.10);
      flex:0 0 auto;
    }

    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      transition: transform .15s ease, background .2s ease;
      align-items:center; justify-content:center;
    }
    .hamburger:hover{transform: translateY(-1px); background: rgba(255,255,255,.92)}
    .hamburger .bars{
      width:18px; height:12px; position:relative;
    }
    .hamburger .bars span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px;
      background:#263046; opacity:.9;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger .bars span:nth-child(1){top:0}
    .hamburger .bars span:nth-child(2){top:5px}
    .hamburger .bars span:nth-child(3){top:10px}

    .hamburger.is-open .bars span:nth-child(1){top:5px; transform: rotate(45deg)}
    .hamburger.is-open .bars span:nth-child(2){opacity:0}
    .hamburger.is-open .bars span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding-bottom: 14px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:8px;
      padding:8px 0 0;
    }
    .mobile-links .nav-link{
      border:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.65);
      padding:12px 12px;
      font-size:14px;
    }

    main{padding: 18px 0 28px}
    section{padding: 42px 0}
    .hero{
      padding: 34px 0 20px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items:start;
    }
    .hero-left{padding: 18px 0}
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.64);
      color:#1f2636;
      font-weight:700;
      font-size:13px;
      box-shadow: 0 14px 26px rgba(20,23,31,.06);
    }
    .kicker .spark{
      width:18px; height:18px; border-radius:6px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,.0) 55%),
                  conic-gradient(from 180deg, var(--accent1), var(--accent2), var(--accent3), var(--accent4), var(--accent1));
      box-shadow: 0 12px 24px rgba(91,140,255,.18);
    }

    h1{
      margin:14px 0 10px;
      font-size: 40px;
      line-height: 1.15;
      letter-spacing: -0.6px;
    }

    .lead{
      margin: 0;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.85;
      max-width: 62ch;
    }

    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px;
      margin-top: 18px;
      align-items:center;
    }

    .mini-badges{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 16px;
    }
    .badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,23,31,.08);
      box-shadow: 0 10px 22px rgba(19,36,66,.06);
      transition: transform .2s ease, box-shadow .2s ease;
      cursor: default;
    }
    .badge:hover{transform: translateY(-2px); box-shadow: 0 18px 32px rgba(19,36,66,.10)}
    .badge .b-icon{
      width:32px; height:32px;
      border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(91,140,255,.18), rgba(155,92,255,.14));
      border: 1px solid rgba(91,140,255,.20);
      flex: 0 0 auto;
    }
    .badge .b-title{font-weight:800; font-size:13px; margin:0}
    .badge .b-sub{font-size:12.5px; color:var(--muted); margin-top:2px}

    .hero-right{
      position:relative;
      padding: 14px 0 0;
    }

    .glass{
      background: linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.62) 100%);
      border: 1px solid rgba(20,23,31,.10);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow);
      overflow:hidden;
    }

    .metric-wrap{
      padding: 16px;
      position:relative;
    }
    .metric-wrap:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 220px at 20% 0%, rgba(91,140,255,.35), transparent 60%),
        radial-gradient(480px 220px at 92% 14%, rgba(155,92,255,.25), transparent 62%),
        radial-gradient(380px 220px at 70% 100%, rgba(32,201,151,.18), transparent 64%);
      pointer-events:none;
      filter: blur(0px);
      opacity:.9;
    }
    .metric-grid{
      position:relative;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .metric{
      padding: 14px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,23,31,.09);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 94px;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .metric:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 34px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.20);
    }
    .metric .num{
      font-size: 22px;
      font-weight: 900;
      letter-spacing: -.5px;
    }
    .metric .label{color:var(--muted); font-size:12.8px; line-height:1.4; margin-top:6px}
    .metric .tag{
      display:inline-flex; align-items:center;
      font-size:12px; font-weight:800; color:#263046;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(91,140,255,.12);
      border:1px solid rgba(91,140,255,.22);
      width: fit-content;
    }
    .tag .t-dot{width:8px; height:8px; border-radius:50%; background: var(--accent1)}
    .tag.alt{background: rgba(155,92,255,.11); border-color: rgba(155,92,255,.22)}
    .tag.alt .t-dot{background: var(--accent2)}
    .tag.green{background: rgba(32,201,151,.11); border-color: rgba(32,201,151,.22)}
    .tag.green .t-dot{background: var(--accent3)}
    .tag.orange{background: rgba(255,122,89,.12); border-color: rgba(255,122,89,.22)}
    .tag.orange .t-dot{background: var(--accent4)}

    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 18px;
      margin-bottom: 18px;
    }
    .section-title{
      margin:0;
      font-size: 26px;
      letter-spacing: -0.4px;
    }
    .section-desc{
      margin: 6px 0 0;
      color: var(--muted);
      line-height: 1.9;
      font-size: 14.5px;
      max-width: 68ch;
    }

    .pill-row{
      display:flex; flex-wrap:wrap; gap:10px;
      justify-content:flex-end;
      align-items:center;
    }
    .pill{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.65);
      color:#243044;
      font-weight:800;
      font-size:13px;
      display:inline-flex; gap:10px; align-items:center;
    }
    .pill .p-dot{width:10px; height:10px; border-radius:50%;}
    .p1{background: rgba(91,140,255,.95)}
    .p2{background: rgba(155,92,255,.95)}
    .p3{background: rgba(32,201,151,.95)}
    .p4{background: rgba(255,122,89,.95)}

    .cards{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 14px;
    }

    .card{
      grid-column: span 4;
      padding: 16px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;
      overflow:hidden;
      min-height: 150px;
    }
    .card:hover{
      transform: translateY(-4px);
      box-shadow: 0 18px 38px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.18);
    }
    .card:before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(420px 160px at 0% 0%, rgba(91,140,255,.18), transparent 60%),
        radial-gradient(360px 180px at 100% 0%, rgba(155,92,255,.14), transparent 62%),
        radial-gradient(360px 180px at 80% 120%, rgba(32,201,151,.12), transparent 60%);
      opacity:.0;
      transition: opacity .25s ease;
      pointer-events:none;
    }
    .card:hover:before{opacity:1}

    .card-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 10px;
    }
    .card-icon{
      width:42px; height:42px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 22px rgba(19,36,66,.06);
      flex:0 0 auto;
    }
    .card h3{
      margin: 14px 0 8px;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      line-height: 1.85;
      font-size: 14px;
    }
    .card ul{margin: 10px 0 0; padding:0; list-style:none; display:flex; flex-direction:column; gap:8px}
    .card li{
      display:flex; gap:10px; align-items:flex-start;
      color:#28324a;
      font-size: 13.5px;
      line-height:1.5;
    }
    .li-check{
      width:18px; height:18px; border-radius:7px;
      background: rgba(91,140,255,.14);
      border:1px solid rgba(91,140,255,.22);
      display:flex; align-items:center; justify-content:center;
      margin-top:2px;
      flex:0 0 auto;
    }
    .li-check svg{width:12px; height:12px; color:#2f64ff}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }

    .feature-card{
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 12px 28px rgba(19,36,66,.06);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .feature-card:after{
      content:"";
      position:absolute;
      width: 240px; height: 240px;
      right:-120px; top:-120px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 52%),
                  conic-gradient(from 210deg, rgba(91,140,255,.35), rgba(155,92,255,.28), rgba(32,201,151,.18), rgba(255,122,89,.20), rgba(91,140,255,.35));
      filter: blur(.2px);
      opacity:.18;
      pointer-events:none;
    }

    .feature-head{
      display:flex; align-items:center; gap: 12px;
      margin-bottom: 10px;
      position:relative;
      z-index:1;
    }
    .feature-head .num-chip{
      width:38px; height:38px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      background: rgba(91,140,255,.12);
      border:1px solid rgba(91,140,255,.22);
      color:#2757ff;
      flex:0 0 auto;
    }
    .feature-head .t{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .feature-head .t b{font-size:15px}
    .feature-head .t span{font-size:12.5px; color:var(--muted); margin-top:3px}

    .split-list{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 10px;
      position:relative; z-index:1;
    }
    .split-item{
      padding: 12px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,23,31,.08);
      display:flex; gap: 10px; align-items:flex-start;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .split-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(19,36,66,.10);
    }
    .split-item .dot{
      width:12px; height:12px; border-radius:5px;
      background: linear-gradient(135deg, rgba(91,140,255,.95), rgba(155,92,255,.92));
      margin-top:3px; flex:0 0 auto;
      box-shadow: 0 0 0 6px rgba(91,140,255,.10);
    }
    .split-item b{font-size:13.8px}
    .split-item p{margin:4px 0 0; color:var(--muted); font-size:13.2px; line-height:1.7}

    .flow{
      display:grid; grid-template-columns: repeat(12,1fr); gap: 14px;
      align-items:stretch;
    }
    .step{
      grid-column: span 3;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      padding: 16px 14px;
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 180px;
      display:flex;
      flex-direction:column;
    }
    .step:hover{
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.18);
    }
    .step .snum{
      width:42px; height:42px;
      border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      font-weight:1000; letter-spacing:-.5px;
      background: linear-gradient(135deg, rgba(91,140,255,.18), rgba(155,92,255,.14));
      border:1px solid rgba(91,140,255,.22);
      color:#2c5dff;
      flex:0 0 auto;
    }
    .step h3{margin:12px 0 8px; font-size:15.5px}
    .step p{margin:0; color:var(--muted); line-height:1.85; font-size:14px}
    .step .mini{
      margin-top:auto;
      display:flex; gap:8px; flex-wrap:wrap;
      padding-top: 12px;
    }
    .chip{
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.76);
      font-size:12.5px;
      color:#29324a;
      font-weight:800;
      white-space:nowrap;
    }

    .compare-wrap{
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }

    .compare-top{
      padding: 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px;
      border-bottom:1px solid rgba(20,23,31,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.60));
    }
    .rating{
      display:flex; align-items:center; gap: 14px;
    }
    .starbox{
      width:56px; height:56px;
      border-radius: 20px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,122,89,.10);
      border:1px solid rgba(255,122,89,.24);
      box-shadow: 0 18px 34px rgba(255,122,89,.12);
    }
    .rating .big{
      font-size: 26px; font-weight:1000; letter-spacing:-.6px;
      display:flex; flex-direction:column; line-height:1.1;
    }
    .rating .big span{font-size:12.5px; color:var(--muted); font-weight:800; margin-top:6px}
    .compare-top .note{
      color:var(--muted); font-size: 13.8px; line-height:1.8; max-width: 52ch;
      padding-top: 6px;
    }

    table{
      width:100%;
      border-collapse: collapse;
      min-width: 780px;
    }
    .table-wrap{
      overflow:auto;
    }
    th, td{
      border-bottom:1px solid rgba(20,23,31,.08);
      padding: 12px 12px;
      text-align:left;
      vertical-align:top;
      font-size: 14px;
    }
    th{
      font-size: 13px;
      color:#2a334a;
      background: rgba(245,246,255,.75);
      position:sticky; top:0; z-index:1;
      white-space:nowrap;
    }
    td{
      color:#202738;
    }
    .td-muted{color:var(--muted)}
    .mark-good{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius: 12px;
      background: rgba(32,201,151,.10);
      border: 1px solid rgba(32,201,151,.22);
      font-weight:900;
      color:#0f6f4f;
      white-space:nowrap;
    }
    .mark-mid{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius: 12px;
      background: rgba(91,140,255,.10);
      border: 1px solid rgba(91,140,255,.22);
      font-weight:900;
      color:#214a9a;
      white-space:nowrap;
    }

    .cards-3{
      display:grid;
      grid-template-columns: repeat(12,1fr);
      gap: 14px;
    }
    .case-card{
      grid-column: span 4;
      padding: 14px;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      overflow:hidden;
      min-height: 240px;
      display:flex;
      flex-direction:column;
    }
    .case-card:hover{
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.18);
    }
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 10px;
    }
    .case-title{margin: 10px 0 6px; font-size: 16px; letter-spacing: -0.2px}
    .case-desc{margin:0; color:var(--muted); font-size: 14px; line-height: 1.85}
    .case-meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap: 8px;
      padding-top: 12px;
    }

    .tag2{
      padding:7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.76);
      font-size: 12.5px;
      color:#28324a;
      font-weight:850;
      white-space:nowrap;
    }

    .article-grid{
      display:grid;
      grid-template-columns: repeat(12,1fr);
      gap: 14px;
      align-items:start;
    }
    .article-list{
      grid-column: span 7;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      overflow:hidden;
    }
    .article-side{
      grid-column: span 5;
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.66);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .article-side:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 260px at 18% 10%, rgba(91,140,255,.22), transparent 62%),
        radial-gradient(520px 260px at 88% 30%, rgba(155,92,255,.18), transparent 62%);
      opacity:.9;
      pointer-events:none;
    }
    .article-side .in{
      position:relative;
      z-index:1;
    }

    .panel-head{
      padding: 14px 16px;
      border-bottom:1px solid rgba(20,23,31,.08);
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      background: rgba(245,246,255,.65);
    }
    .panel-head b{font-size: 15px}
    .panel-head span{font-size: 12.8px; color:var(--muted); font-weight:800}

    .article-items{padding: 8px}
    .article-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid transparent;
      transition: transform .18s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .article-item:hover{
      background: rgba(255,255,255,.82);
      border-color: rgba(20,23,31,.08);
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(19,36,66,.10);
    }
    .article-item .a-mark{
      width:34px; height:34px;
      border-radius: 14px;
      background: rgba(91,140,255,.12);
      border: 1px solid rgba(91,140,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .article-item .a-title{font-weight:950; font-size:14.5px; margin-top:2px}
    .article-item .a-desc{color:var(--muted); font-size:13.2px; line-height:1.7; margin-top:5px}
    .article-item .a-link{
      margin-top:8px;
      display:inline-flex; align-items:center; gap: 8px;
      color:#234a9c;
      font-weight:900;
      font-size:13px;
      padding:8px 10px;
      border-radius: 12px;
      border:1px solid rgba(35,74,156,.18);
      background: rgba(35,74,156,.06);
      white-space:nowrap;
    }

    .side-quote{
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.68);
      border:1px solid rgba(20,23,31,.10);
      position:relative;
      z-index:1;
    }
    .side-quote .q-title{font-weight:1000; margin:0 0 8px; font-size:15px}
    .side-quote p{margin:0; color:var(--muted); line-height:1.85; font-size:14px}
    .side-actions{display:flex; flex-wrap:wrap; gap:10px; margin-top: 12px}

    .form-card{
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      padding: 16px;
      overflow:hidden;
      position:relative;
    }
    .form-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 220px at 20% 10%, rgba(91,140,255,.18), transparent 62%),
        radial-gradient(520px 220px at 90% 30%, rgba(155,92,255,.14), transparent 62%),
        radial-gradient(520px 240px at 70% 120%, rgba(32,201,151,.12), transparent 60%);
      opacity:.95; pointer-events:none;
    }
    .form-card .in{position:relative; z-index:1}

    form{display:grid; grid-template-columns: 1fr 1fr; gap: 12px}
    .field{display:flex; flex-direction:column; gap: 8px}
    .field label{font-size: 13px; font-weight:900; color:#252f44}
    .input, select, textarea{
      border-radius: 14px;
      border:1px solid rgba(20,23,31,.12);
      background: rgba(255,255,255,.82);
      padding: 12px 12px;
      font-size: 14px;
      outline: none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .1s ease;
      color:#1f2636;
    }
    textarea{min-height: 110px; resize: vertical}
    .input:focus, select:focus, textarea:focus{
      border-color: rgba(91,140,255,.35);
      box-shadow: 0 0 0 6px var(--ring);
    }
    .field.full{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap: 12px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top: 2px;
    }
    .helper{
      color:var(--muted);
      font-size: 13px;
      line-height:1.7;
      max-width: 60ch;
    }

    details.faq{
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,23,31,.10);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    details.faq:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 36px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.18);
    }
    details.faq summary{
      cursor:pointer;
      padding: 14px 16px;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      font-weight:1000;
      color:#243044;
      user-select:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap: 10px;
      color: var(--muted);
      font-size: 13px;
      font-weight:900;
    }
    .chev{
      width:28px; height:28px;
      border-radius: 12px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      transition: transform .25s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-body{
      padding: 0 16px 14px;
      color: var(--muted);
      line-height: 1.9;
      font-size: 14px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 14px;
      align-items:start;
    }
    .faq-left{grid-column: span 7}
    .faq-right{grid-column: span 5}

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 12px;
    }
    .tcloud{
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.10);
      font-weight:900;
      font-size: 13px;
      color:#25304a;
      transition: transform .18s ease, box-shadow .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .tcloud:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 28px rgba(19,36,66,.10);
    }

    .timeline{
      margin-top: 14px;
      display:flex; flex-direction:column; gap: 12px;
      padding-top: 6px;
      position:relative;
      z-index:1;
    }
    .tl-item{
      display:flex; gap: 12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.68);
    }
    .tl-badge{
      width:34px; height:34px; border-radius: 14px;
      background: rgba(155,92,255,.12);
      border:1px solid rgba(155,92,255,.22);
      display:flex; align-items:center; justify-content:center;
      color:#5a2cff;
      font-weight:1000;
      flex:0 0 auto;
    }
    .tl-item b{font-size:14.2px}
    .tl-item p{margin:4px 0 0; color:var(--muted); font-size:13.3px; line-height:1.7}

    .comments{
      display:grid;
      grid-template-columns: repeat(12,1fr);
      gap: 14px;
      align-items:stretch;
    }
    .comment-card{
      grid-column: span 4;
      padding: 16px;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,23,31,.10);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 210px;
      display:flex; flex-direction:column;
      gap: 10px;
    }
    .comment-card:hover{
      transform: translateY(-4px);
      box-shadow: 0 18px 40px rgba(19,36,66,.12);
      border-color: rgba(91,140,255,.18);
    }
    .person{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
    }
    .avatar{
      width:44px; height:44px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(91,140,255,.18), rgba(155,92,255,.14));
      border:1px solid rgba(91,140,255,.22);
      display:flex; align-items:center; justify-content:center;
      color:#2c5dff;
      font-weight:1000;
    }
    .person .who{display:flex; flex-direction:column; line-height:1.1}
    .person .who b{font-size:14.6px}
    .person .who span{font-size:12.8px; color:var(--muted); font-weight:900; margin-top:4px}
    .stars{display:flex; gap:4px; color:#ff7a59}
    .comment-card p{
      margin:0;
      color: var(--muted);
      line-height: 1.9;
      font-size: 14px;
    }
    .comment-card .foot{
      margin-top:auto;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      padding-top: 10px;
    }
    .smalllink{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:1000;
      font-size:13px;
      color:#234a9c;
      padding: 9px 10px;
      border-radius: 12px;
      border: 1px solid rgba(35,74,156,.18);
      background: rgba(35,74,156,.06);
      white-space:nowrap;
    }

    .section-anchor{
      scroll-margin-top: 86px;
    }

    .footer{
      padding: 22px 0 26px;
      border-top:1px solid rgba(20,23,31,.08);
      background: rgba(255,255,255,.55);
    }
    .footer-inner{
      border-radius: var(--radius-xl);
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.65);
      box-shadow: 0 12px 26px rgba(19,36,66,.06);
      overflow:hidden;
    }
    .footer-top{
      padding: 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 14px;
      border-bottom:1px solid rgba(20,23,31,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.60));
    }
    .footer-cols{
      display:grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 14px;
      align-items:start;
      width:100%;
    }
    .footer-brand{
      display:flex; gap: 12px; align-items:flex-start;
    }
    .footer-brand .logo-mini{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.78);
      padding:6px;
      object-fit:contain;
      box-shadow: 0 12px 22px rgba(19,36,66,.06);
      flex:0 0 auto;
    }
    .footer-brand b{font-size:16px}
    .footer-brand p{margin:8px 0 0; color:var(--muted); line-height:1.85; font-size: 14px}
    .footer-col h4{
      margin: 0 0 10px;
      font-size: 14.5px;
      letter-spacing:-.2px;
    }
    .footer-links{display:flex; flex-direction:column; gap: 8px}
    .footer-links a{
      color:#25304a;
      font-weight:900;
      font-size:13.5px;
      padding: 8px 10px;
      border-radius: 12px;
      border:1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .15s ease;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
    }
    .footer-links a:hover{
      background: rgba(255,255,255,.85);
      border-color: rgba(20,23,31,.10);
      transform: translateY(-2px);
    }
    .arrow{
      width:18px; height:18px; border-radius: 8px;
      background: rgba(91,140,255,.10);
      border:1px solid rgba(91,140,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#2c5dff;
      font-size:12px;
    }

    .footer-bottom{
      padding: 12px 16px;
      display:flex; align-items:center; justify-content:space-between; gap: 10px; flex-wrap:wrap;
      color: var(--muted);
      font-size: 13.2px;
      background: rgba(255,255,255,.50);
    }
    .copy{
      display:flex; align-items:center; gap: 10px; flex-wrap:wrap;
    }
    .links-inline{display:flex; gap: 10px; flex-wrap:wrap; align-items:center}
    .links-inline a{
      color:#234a9c;
      font-weight:950;
      font-size:13px;
      padding: 8px 10px;
      border-radius: 12px;
      border:1px solid rgba(35,74,156,.18);
      background: rgba(35,74,156,.06);
    }

    .float-cs{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:80;
      display:flex; flex-direction:column; gap: 10px;
      align-items:flex-end;
    }
    .cs-btn{
      width: 52px; height: 52px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(91,140,255,.95), rgba(155,92,255,.92));
      color:#fff;
      border: 1px solid rgba(255,255,255,.18);
      box-shadow: 0 22px 46px rgba(91,140,255,.26);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, box-shadow .2s ease;
      user-select:none;
    }
    .cs-btn:hover{transform: translateY(-4px); box-shadow: 0 26px 56px rgba(91,140,255,.30)}
    .cs-panel{
      width: 320px;
      border-radius: 22px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.80);
      box-shadow: var(--shadow);
      overflow:hidden;
      display:none;
    }
    .cs-panel.open{display:block; animation: pop .22s ease both}
    @keyframes pop{
      from{opacity:0; transform: translateY(10px) scale(.98)}
      to{opacity:1; transform: translateY(0) scale(1)}
    }
    .cs-head{
      padding: 12px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: linear-gradient(135deg, rgba(91,140,255,.16), rgba(155,92,255,.12));
      border-bottom:1px solid rgba(20,23,31,.08);
    }
    .cs-head b{font-size:14.5px}
    .cs-close{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      transition: transform .15s ease;
      display:flex; align-items:center; justify-content:center;
      color:#25304a;
      font-weight:1000;
    }
    .cs-close:hover{transform: translateY(-2px)}
    .cs-body{
      padding: 12px 14px 14px;
      display:flex; gap: 12px; align-items:flex-start;
    }
    .cs-qr{
      width: 88px; height: 88px;
      border-radius: 18px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.70);
      padding: 6px;
      object-fit:contain;
      flex:0 0 auto;
    }
    .cs-text{
      display:flex; flex-direction:column; gap: 8px;
      padding-top: 2px;
    }
    .cs-text p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }
    .cs-links{
      display:flex; gap: 10px; flex-wrap:wrap;
      margin-top: 6px;
    }
    .tiny-btn{
      padding: 9px 10px;
      border-radius: 12px;
      border:1px solid rgba(20,23,31,.10);
      background: rgba(255,255,255,.76);
      font-weight:1000;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, background .2s ease;
      user-select:none;
    }
    .tiny-btn:hover{transform: translateY(-2px); background: rgba(255,255,255,.92)}

    .back-top{
      width: 52px; height: 52px;
      border-radius: 18px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,23,31,.10);
      box-shadow: 0 14px 26px rgba(19,36,66,.10);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      color:#25304a;
      transition: transform .18s ease, background .2s ease;
      user-select:none;
    }
    .back-top:hover{transform: translateY(-4px); background: rgba(255,255,255,.95)}
    .back-top:focus{outline: none; box-shadow: 0 0 0 6px var(--ring)}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      h1{font-size: 34px}
      .cards .card{grid-column: span 6}
      .step{grid-column: span 6}
      .case-card{grid-column: span 6}
      .comment-card{grid-column: span 6}
      .article-list{grid-column: span 12}
      .article-side{grid-column: span 12}
      .faq-left{grid-column: span 12}
      .faq-right{grid-column: span 12}
      .footer-cols{grid-template-columns: 1fr}
      table{min-width: 700px}
    }

    @media (max-width: 720px){
      .nav-wrap{padding:12px 0}
      .menu, .nav-right .btn-ghost{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .hero{padding: 24px 0 10px}
      h1{font-size: 30px}
      .cards .card{grid-column: span 12}
      .two-col{grid-template-columns: 1fr}
      .step{grid-column: span 12}
      .case-card{grid-column: span 12}
      .comment-card{grid-column: span 12}
      form{grid-template-columns: 1fr}
      .form-actions{justify-content:flex-start}
      .cs-panel{width: calc(100vw - 28px)}
      .float-cs{right: 12px; bottom: 12px}
      table{min-width: 640px}
    }

    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto !important}
      .reveal{transition:none}
      details.faq{transition:none}
      .card,.step,.case-card,.comment-card,.article-item,.split-item,.btn{transition:none}
      .cs-panel.open{animation:none}
    }