:root{
      --bg0:#ffffff;
      --bg1:#fff6ef;
      --bg2:#f6f8ff;
      --text:#101828;
      --muted:#5b667a;
      --muted2:#74819a;
      --line:rgba(16,24,40,.10);
      --line2:rgba(16,24,40,.14);
      --brand:#ff3d5a;
      --brand2:#ff7a18;
      --brand3:#2f6bff;
      --ok:#17b26a;
      --warn:#f79009;
      --shadow:0 18px 50px rgba(16,24,40,.10);
      --shadow2:0 10px 26px rgba(16,24,40,.10);
      --shadow3:0 6px 18px rgba(16,24,40,.10);
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1160px;
      --gutter:22px;
      --focus:0 0 0 4px rgba(255,61,90,.18);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 520px at 15% 0%, rgba(255,61,90,.10), transparent 55%),
        radial-gradient(900px 420px at 85% 10%, rgba(47,107,255,.10), transparent 50%),
        linear-gradient(180deg, #ffffff 0%, var(--bg1) 38%, #ffffff 78%, #ffffff 100%);
    }
    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(255,61,90,.45) !important;
    }

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

    .skip-link{
      position:absolute; left:-9999px; top:10px;
      background:#fff; color:var(--text);
      padding:10px 12px; border-radius:12px; border:1px solid var(--line2);
      z-index:9999;
    }
    .skip-link:focus{left:12px}

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.68);
      border-bottom:1px solid rgba(16,24,40,.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: 210px;
    }
    .ai-page-logo{
      width:38px; height:38px; border-radius:12px;
      box-shadow:0 10px 24px rgba(255,61,90,.16);
      background:#fff;
      object-fit:contain;
    }
    .brand .brand-title{
      display:flex; flex-direction:column; line-height:1.15;
    }
    .brand .brand-title strong{
      font-size:14.5px; letter-spacing:.2px;
    }
    .brand .brand-title span{
      font-size:12px; color:var(--muted2);
    }

    nav .nav-list{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-link{
      font-size:13.5px; color:var(--muted);
      padding:9px 10px; border-radius:12px;
      border:1px solid transparent;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,61,90,.06);
      border-color: rgba(255,61,90,.18);
      transform: translateY(-1px);
      color:#1b2332;
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
      min-width: 260px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background:#fff;
      color:var(--text);
      font-weight:650;
      font-size:13.5px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: var(--shadow3);
      border-color: rgba(255,61,90,.25);
    }
    .btn.primary{
      border:1px solid rgba(255,61,90,.35);
      color:#fff;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 55%, #ffcc5c 120%);
      box-shadow: 0 16px 34px rgba(255,61,90,.20);
    }
    .btn.primary:hover{
      box-shadow: 0 22px 54px rgba(255,61,90,.26);
      border-color: rgba(255,61,90,.55);
    }
    .btn.ghost{
      background: rgba(255,255,255,.7);
    }
    .btn.small{
      padding:9px 12px; border-radius:12px; font-size:13px;
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
    }

    .mobile-menu{
      display:none;
      padding-bottom:12px;
    }
    .mobile-menu.open{display:block}
    .mobile-menu .menu-panel{
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.9);
      border-radius:18px;
      padding:12px;
      box-shadow: var(--shadow2);
    }
    .mobile-menu .menu-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-menu .menu-grid a{
      padding:10px 10px; border-radius:14px;
      border:1px solid rgba(16,24,40,.08);
      background:#fff;
      font-size:13px; color:var(--muted);
      transition: transform .2s ease, border-color .2s ease;
    }
    .mobile-menu .menu-grid a:hover{
      transform: translateY(-1px);
      border-color: rgba(255,61,90,.25);
      color:#1b2332;
    }

    .hero{
      padding:34px 0 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding:18px 0;
      min-height: 420px;
      display:flex; flex-direction:column; justify-content:space-between;
      gap:18px;
    }

    .kicker{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: 0 10px 24px rgba(16,24,40,.06);
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 65%, #ffd27a 120%);
      box-shadow: 0 10px 24px rgba(255,61,90,.22);
    }

    h1{
      margin:10px 0 10px;
      font-size:40px; line-height:1.08;
      letter-spacing:-.6px;
    }
    .hero-sub{
      margin:0;
      color:var(--muted);
      font-size:15.5px; line-height:1.7;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:14px;
    }
    .hero-meta{
      display:flex; gap:14px; flex-wrap:wrap;
      margin-top:10px;
    }
    .meta-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(16,24,40,.10);
      min-width: 190px;
    }
    .meta-item strong{
      display:block; font-size:13.5px;
      margin-bottom:4px;
    }
    .meta-item span{
      font-size:12.5px; color:var(--muted2); line-height:1.45;
    }
    .meta-ico{
      width:34px; height:34px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,61,90,.16), rgba(47,107,255,.14));
      border:1px solid rgba(16,24,40,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }

    .hero-right{
      position:relative;
      padding:18px;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(700px 260px at 20% 0%, rgba(255,61,90,.18), transparent 55%),
        radial-gradient(520px 220px at 85% 18%, rgba(47,107,255,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.72) 100%);
      border:1px solid rgba(16,24,40,.10);
      box-shadow: var(--shadow);
      overflow:hidden;
      min-height: 420px;
    }
    .hero-right::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(800px 300px at 10% 0%, rgba(255,61,90,.20), transparent 55%),
        radial-gradient(600px 260px at 90% 10%, rgba(47,107,255,.18), transparent 50%);
      opacity:.65;
      pointer-events:none;
    }
    .hero-right > *{position:relative}
    .glass-card{
      border-radius:18px;
      background: rgba(255,255,255,.80);
      border:1px solid rgba(16,24,40,.10);
      padding:14px;
      margin-bottom:12px;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
      transform: translateZ(0);
    }
    .glass-card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(255,61,90,.22);
    }
    .stat-row{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:10px;
    }
    .stat{
      border-radius:16px;
      padding:12px 12px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
    }
    .stat b{
      display:block;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .stat small{
      display:block;
      margin-top:4px;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.35;
    }
    .progress{
      display:flex; flex-direction:column; gap:8px;
      margin-top:8px;
    }
    .bar{
      height:10px; border-radius:999px;
      background: rgba(16,24,40,.08);
      overflow:hidden;
      border:1px solid rgba(16,24,40,.06);
    }
    .bar > i{
      display:block; height:100%;
      width:72%;
      background: linear-gradient(90deg, rgba(255,61,90,.95) 0%, rgba(255,122,24,.95) 55%, rgba(47,107,255,.95) 110%);
      border-radius:999px;
      transform-origin:left center;
      animation: fillPulse 2.4s ease-in-out infinite;
    }
    @keyframes fillPulse{
      0%{transform: scaleX(.96); filter:saturate(105%)}
      50%{transform: scaleX(1.03); filter:saturate(120%)}
      100%{transform: scaleX(.96); filter:saturate(105%)}
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;
    }
    .tag{
      font-size:12.5px;
      color:#233044;
      background: rgba(255,61,90,.08);
      border:1px solid rgba(255,61,90,.16);
      padding:8px 10px;
      border-radius:999px;
      white-space:nowrap;
    }

    section{
      padding:26px 0;
    }
    .section-head{
      display:flex; justify-content:space-between; align-items:flex-end; gap:14px; flex-wrap:wrap;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:26px; letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:14.5px; line-height:1.7;
      max-width: 58ch;
    }
    .divider{
      height:1px; width:100%;
      background: linear-gradient(90deg, rgba(16,24,40,.06), rgba(16,24,40,.14), rgba(16,24,40,.06));
      margin-top:10px;
    }

    .cards-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .card{
      border-radius:var(--radius-md);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding:14px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(255,61,90,.20);
    }
    .card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:13.5px; line-height:1.65;
    }
    .card .badge{
      display:inline-flex; align-items:center; gap:8px;
      margin-bottom:10px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      color:#233044;
      font-size:12.5px;
      white-space:nowrap;
    }
    .badge i{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 60%, #ffd27a 120%);
      box-shadow: 0 10px 24px rgba(255,61,90,.22);
      display:inline-block;
    }
    .span-4{grid-column: span 4;}
    .span-5{grid-column: span 5;}
    .span-6{grid-column: span 6;}
    .span-7{grid-column: span 7;}
    .span-8{grid-column: span 8;}
    .span-12{grid-column: span 12;}

    .steps{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .step{
      grid-column: span 3;
      padding:14px;
      border-radius:var(--radius-md);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(47,107,255,.20);
    }
    .step .num{
      width:38px; height:38px; border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(47,107,255,.14), rgba(255,61,90,.12));
      border:1px solid rgba(16,24,40,.08);
      font-weight:800;
    }
    .step h3{margin:12px 0 6px; font-size:15.5px}
    .step p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.65}

    .table-wrap{
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius-lg);
      overflow:hidden;
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
    }
    .table-top{
      padding:14px 14px 10px;
      display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap;
      border-bottom:1px solid rgba(16,24,40,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
    }
    .table-top .hint{
      color:var(--muted);
      font-size:13.5px; line-height:1.6;
      max-width: 65ch;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width: 760px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(16,24,40,.08);
      vertical-align:top;
      font-size:13.5px;
      line-height:1.55;
    }
    th{
      text-align:left;
      background: rgba(16,24,40,.03);
      color:#1a2433;
      font-weight:800;
    }
    td:first-child{color:#1f2a3d; font-weight:700}
    .check{
      display:inline-flex; align-items:center; gap:8px;
      color:#123b24;
      font-weight:700;
    }
    .check i{
      width:18px; height:18px; border-radius:8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(23,178,106,.12);
      border:1px solid rgba(23,178,106,.22);
      color: var(--ok);
      flex:0 0 auto;
      font-style:normal;
      font-size:12px;
    }
    .cross{
      display:inline-flex; align-items:center; gap:8px;
      color:#3d1b1b;
      font-weight:700;
    }
    .cross i{
      width:18px; height:18px; border-radius:8px;
      display:inline-flex; align-items:center; justify-content:center;
      background: rgba(247,144,9,.12);
      border:1px solid rgba(247,144,9,.22);
      color: var(--warn);
      flex:0 0 auto;
      font-style:normal;
      font-size:12px;
    }

    .rate{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; align-items:center; gap:4px;
    }
    .star{
      width:18px; height:18px;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 60%, #ffd27a 130%);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 12px 26px rgba(255,61,90,.20);
    }
    .score{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      font-weight:900;
    }

    .compare-top-cards{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      margin-bottom:14px;
    }
    .recommend-card{
      padding:16px;
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      position:relative; overflow:hidden;
    }
    .recommend-card::after{
      content:"";
      position:absolute; inset:-2px;
      background: radial-gradient(600px 240px at 20% 0%, rgba(255,61,90,.18), transparent 55%),
                  radial-gradient(600px 240px at 90% 20%, rgba(47,107,255,.16), transparent 55%);
      opacity:.6; pointer-events:none;
    }
    .recommend-card > *{position:relative}
    .recommend-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:10px;
    }
    .recommend-title h3{margin:0; font-size:18px; letter-spacing:-.3px}
    .recommend-sub{
      margin:0; color:var(--muted); font-size:13.5px; line-height:1.65;
      max-width: 62ch;
    }
    .feature-list{
      display:grid; grid-template-columns: 1fr 1fr; gap:10px;
      margin-top:12px;
    }
    .feature{
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      display:flex; gap:10px; align-items:flex-start;
    }
    .feature .mark{
      width:26px; height:26px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(255,61,90,.22);
      background: rgba(255,61,90,.10);
      color: var(--brand);
      font-weight:900;
      flex:0 0 auto;
      font-size:13px;
    }
    .feature b{display:block; font-size:13.5px}
    .feature span{display:block; color:var(--muted2); font-size:12.5px; margin-top:3px; line-height:1.45}

    .faq-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .faq-panel{
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      overflow:hidden;
    }
    details{
      border-bottom:1px solid rgba(16,24,40,.08);
      padding:0;
    }
    details:last-child{border-bottom:none}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 14px;
      display:flex; justify-content:space-between; align-items:center; gap:12px;
      font-weight:800;
      font-size:14px;
      color:#1a2433;
    }
    summary::-webkit-details-marker{display:none}
    .sum-right{
      display:flex; align-items:center; gap:10px; flex:0 0 auto;
      color:var(--muted2);
      font-weight:800;
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      display:flex; align-items:center; justify-content:center;
      transition: transform .25s ease;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-content{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
    }

    .side-callout{
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(560px 260px at 10% 0%, rgba(255,61,90,.18), transparent 55%),
        radial-gradient(520px 240px at 90% 20%, rgba(47,107,255,.16), transparent 55%),
        rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding:16px;
      position:sticky;
      top:88px;
    }
    .side-callout h3{margin:0; font-size:18px; letter-spacing:-.3px}
    .side-callout p{margin:10px 0 12px; color:var(--muted); font-size:13.5px; line-height:1.7}
    .mini-list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:12px;
    }
    .mini-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
    }
    .mini-item i{
      width:28px; height:28px; border-radius:12px;
      background: rgba(47,107,255,.10);
      border:1px solid rgba(47,107,255,.20);
      color: #2556d6;
      display:flex; align-items:center; justify-content:center;
      font-style:normal; font-weight:900; flex:0 0 auto;
    }
    .mini-item b{display:block; font-size:13.5px}
    .mini-item span{display:block; margin-top:3px; color:var(--muted2); font-size:12.5px; line-height:1.45}

    .review-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .review{
      grid-column: span 4;
      padding:14px;
      border-radius: var(--radius-md);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      position:relative;
      overflow:hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .review:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(255,61,90,.20);
    }
    .review .top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background: linear-gradient(135deg, rgba(255,61,90,.12), rgba(47,107,255,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#1b2a3f;
      flex:0 0 auto;
    }
    .review h3{margin:0; font-size:15px}
    .role{
      color:var(--muted2); font-size:12.5px; margin-top:4px;
    }
    .quote{
      margin:10px 0 0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.75;
    }
    .review .stars-row{
      display:flex; gap:4px; align-items:center;
      margin-top:10px;
      color:#25354e;
      font-weight:900;
      font-size:12.5px;
    }
    .review .stars-row .s{width:14px; height:14px; background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 70%, #ffd27a 120%);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);}
    .cases-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .case{
      grid-column: span 4;
      padding:14px;
      border-radius: var(--radius-md);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      overflow:hidden;
      position:relative;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .case:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(47,107,255,.20);
    }
    .case .thumb{
      border-radius:16px;
      overflow:hidden;
      border:1px solid rgba(16,24,40,.08);
      background: linear-gradient(135deg, rgba(255,61,90,.10), rgba(47,107,255,.08));
      padding:10px;
      margin-bottom:12px;
      display:flex; align-items:center; justify-content:center;
      height: 160px;
    }
    .thumb img{
      width:100%; height:100%;
      object-fit:contain;
      display:block;
    }
    .case h3{margin:0; font-size:15.5px; letter-spacing:-.2px}
    .case p{margin:8px 0 0; color:var(--muted); font-size:13.5px; line-height:1.65}
    .case .meta{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:12px;
    }
    .chip{
      font-size:12.5px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      color:#25324a;
      font-weight:700;
    }

    .list-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
      align-items:start;
    }
    .list-card{
      grid-column: span 6;
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding:14px;
    }
    .list-card h3{
      margin:0;
      font-size:18px; letter-spacing:-.3px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .list-card h3 span{
      font-size:12.5px; color:var(--muted2); font-weight:800;
      border:1px solid rgba(16,24,40,.10);
      background:#fff; padding:7px 10px; border-radius:999px;
    }
    .item{
      padding:12px 0;
      border-bottom:1px dashed rgba(16,24,40,.14);
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
    }
    .item:last-child{border-bottom:none}
    .item .left{
      display:flex; flex-direction:column; gap:6px;
    }
    .item b{
      font-size:14.5px;
      letter-spacing:-.1px;
    }
    .item p{
      margin:0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.6;
    }
    .item a{
      flex:0 0 auto;
      font-weight:900;
      font-size:13.5px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .item a:hover{
      transform: translateY(-1px);
      box-shadow: var(--shadow3);
      border-color: rgba(255,61,90,.22);
    }

    .form-wrap{
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .form-head{
      padding:16px;
      background: linear-gradient(135deg, rgba(255,61,90,.10), rgba(47,107,255,.08));
      border-bottom:1px solid rgba(16,24,40,.08);
    }
    .form-head h3{margin:0; font-size:20px; letter-spacing:-.3px}
    .form-head p{margin:10px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7; max-width:70ch}
    form{
      padding:16px;
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:12px;
    }
    .field{grid-column: span 6; display:flex; flex-direction:column; gap:8px;}
    .field.full{grid-column: span 12}
    label{
      font-size:13px; color:#283449; font-weight:800;
    }
    input, select, textarea{
      border:1px solid rgba(16,24,40,.12);
      border-radius:14px;
      padding:12px 12px;
      background:#fff;
      color:var(--text);
      font-size:14px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    textarea{min-height:120px; resize:vertical}
    .form-actions{
      grid-column: span 12;
      display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      padding-top:4px;
    }
    .privacy{
      color:var(--muted2);
      font-size:12.8px;
      line-height:1.6;
      max-width: 64ch;
    }

    footer{
      margin-top:10px;
      background: linear-gradient(180deg, rgba(255,255,255,.2), rgba(255,255,255,.86));
      border-top:1px solid rgba(16,24,40,.10);
    }
    .footer-wrap{
      padding:26px 0 18px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.05fr 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius-lg);
      border:1px solid rgba(16,24,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 34px rgba(16,24,40,.06);
      padding:14px;
    }
    .foot-card h3{margin:0 0 10px; font-size:16px; letter-spacing:-.2px}
    .foot-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .foot-links a{
      padding:9px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      font-size:13px;
      color:#25324a;
      font-weight:800;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      white-space:nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(255,61,90,.22);
      box-shadow: var(--shadow3);
    }

    .copyright{
      padding:14px 0 18px;
      color:var(--muted2);
      font-size:12.8px;
    }
    .bottom-row{
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
    }

    .float-qa{
      position:fixed;
      right:16px; bottom:16px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.12);
      background: rgba(255,255,255,.88);
      box-shadow: var(--shadow2);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: rgba(255,61,90,.22);
    }
    .qrcode-wrap{
      width:0; opacity:0;
      overflow:hidden;
      transition: width .25s ease, opacity .25s ease;
      background: rgba(255,255,255,.95);
      border:1px solid rgba(16,24,40,.10);
      border-radius:18px;
      box-shadow: var(--shadow);
    }
    .qrcode-wrap.open{
      width: 230px; opacity:1;
    }
    .qrcode-inner{
      padding:12px;
      display:flex; gap:12px; align-items:center;
    }
    .qrcode-inner img{
      width:82px; height:82px; border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      object-fit:cover;
    }
    .qrcode-inner .txt{
      display:flex; flex-direction:column; gap:6px;
    }
    .qrcode-inner .txt b{font-size:13.5px}
    .qrcode-inner .txt span{font-size:12.5px; color:var(--muted2); line-height:1.4}

    .scroll-reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .scroll-reveal.show{
      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; gap:14px}
      .hero-left{min-height:auto}
      .hero-right{min-height:auto}
      h1{font-size:34px}
      .compare-top-cards{grid-template-columns: 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .side-callout{position:relative; top:auto}
      .step{grid-column: span 6}
      .review{grid-column: span 6}
      .case{grid-column: span 6}
      .list-card{grid-column: span 12}
      .footer-grid{grid-template-columns: 1fr}
      .nav-cta{min-width:auto}
    }
    @media (max-width: 640px){
      .nav-list{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-menu{display:block}
      .hero{padding:18px 0 12px}
      h1{font-size:28px}
      .hero-left{padding:0}
      .meta-item{min-width: 0; width:100%}
      .stat-row{grid-template-columns: 1fr}
      .step{grid-column: span 12}
      .review{grid-column: span 12}
      .case{grid-column: span 12}
      table{min-width: 680px}
      .field{grid-column: span 12}
      .feature-list{grid-template-columns: 1fr}
      .float-qa{right:12px; bottom:12px}
      .qrcode-wrap.open{width: 208px}
      .qrcode-inner{padding:10px}
      .qrcode-inner img{width:76px; height:76px}
    }