:root{
      --bg: #fff7f7;
      --panel: rgba(255,255,255,.78);
      --panel2:#ffffff;
      --text:#1c1f27;
      --muted:#5b6272;
      --line: rgba(25,32,52,.12);
      --shadow: 0 14px 40px rgba(140, 0, 40, .12);
      --shadow2: 0 10px 28px rgba(25,32,52,.10);
      --red:#b5002a;
      --red2:#ff2b55;
      --deep:#0f172a;
      --blue:#2a57ff;
      --focus:#b5002a;
      --radius:16px;
      --radius2:22px;
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 15% -5%, rgba(181,0,42,.18), transparent 55%),
        radial-gradient(720px 420px at 90% 0%, rgba(255,43,85,.20), transparent 58%),
        radial-gradient(900px 500px at 30% 30%, rgba(42,87,255,.12), transparent 60%),
        linear-gradient(180deg, #fff0f3 0%, #fff9f7 30%, #ffffff 100%);
      overflow-x:hidden;
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      padding:0 20px;
      margin:0 auto;
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background: rgba(255,255,255,.65);
      border-bottom: 1px solid rgba(25,32,52,.10);
    }
    .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: 180px;
    }
    .ai-page-logo{
      width:44px; height:auto;
      border-radius:12px;
      background: radial-gradient(120% 120% at 20% 10%, rgba(255,255,255,.95), rgba(255,255,255,.4));
      box-shadow: 0 8px 24px rgba(181,0,42,.18);
      padding:8px;
    }
    .brand-name{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-name strong{font-size:14px; letter-spacing:.2px}
    .brand-name span{font-size:12px; color:var(--muted)}
    nav{
      display:flex; align-items:center; gap:12px; flex:1; justify-content:flex-end;
    }
    .nav-links{
      display:flex; align-items:center; gap:10px;
      padding:6px;
      border-radius:999px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.6);
    }
    .nav-links a{
      text-decoration:none;
      font-size:13px;
      padding:9px 10px;
      border-radius:999px;
      color: rgba(20,22,30,.86);
      transition: transform .15s ease, background .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(181,0,42,.10);
      color: var(--deep);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      border:1px solid rgba(25,32,52,.14);
      background: rgba(255,255,255,.7);
      color: var(--deep);
      padding:10px 14px;
      border-radius:12px;
      text-decoration:none;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      display:inline-flex; align-items:center; gap:10px;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 32px rgba(25,32,52,.12);
      border-color: rgba(181,0,42,.24);
      background: rgba(255,255,255,.92);
    }
    .btn-primary{
      border-color: rgba(181,0,42,.30);
      background: linear-gradient(135deg, #b5002a, #ff2b55);
      color:#fff;
      box-shadow: 0 18px 40px rgba(181,0,42,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 48px rgba(181,0,42,.26);
      background: linear-gradient(135deg, #a30026, #ff2b55);
    }
    .btn .dot{
      width:8px; height:8px; border-radius:999px; background: rgba(255,255,255,.9);
      box-shadow: 0 0 0 6px rgba(255,255,255,.12);
    }
    .mobile-toggle{
      display:none;
      border:1px solid rgba(25,32,52,.14);
      background: rgba(255,255,255,.7);
      border-radius:12px;
      padding:10px 12px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .mobile-toggle:hover{transform: translateY(-1px); box-shadow: 0 14px 26px rgba(25,32,52,.12)}
    .mobile-toggle svg{display:block}
    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-panel .stack{
      display:flex; flex-direction:column; gap:10px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.78);
      border-radius: 16px;
      padding:12px;
    }
    .mobile-panel a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:12px;
      font-size:14px;
      color: rgba(20,22,30,.9);
      background: rgba(255,255,255,.55);
      border: 1px solid rgba(25,32,52,.08);
      transition: transform .15s ease, background .15s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); background: rgba(181,0,42,.08)}
    .mobile-panel .cta-row{display:flex; gap:10px; flex-wrap:wrap}

    .hero{
      position:relative;
      padding: 26px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: var(--radius2);
      border: 1px solid rgba(181,0,42,.18);
      background:
        radial-gradient(1200px 500px at 0% 0%, rgba(255,43,85,.18), transparent 55%),
        radial-gradient(600px 360px at 80% 20%, rgba(42,87,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.60));
      box-shadow: var(--shadow);
      overflow:hidden;
      padding: 22px 20px 18px;
      position:relative;
    }
    .hero-left::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(600px 220px at 15% 0%, rgba(181,0,42,.24), transparent 55%),
        radial-gradient(420px 180px at 85% 30%, rgba(255,43,85,.18), transparent 60%),
        radial-gradient(520px 220px at 50% 95%, rgba(42,87,255,.12), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .hero-left > *{position:relative}
    .hero-pill{
      display:inline-flex; align-items:center; gap:10px;
      border:1px solid rgba(181,0,42,.18);
      background: rgba(255,255,255,.70);
      border-radius:999px;
      padding:8px 12px;
      color: rgba(19,22,30,.92);
      font-size:13px;
      margin-bottom: 12px;
    }
    .spark{
      width:22px; height:22px; border-radius:8px;
      background: linear-gradient(135deg, rgba(181,0,42,.18), rgba(255,43,85,.22));
      border:1px solid rgba(181,0,42,.20);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 30px rgba(181,0,42,.18);
    }
    .hero-title{
      margin: 0 0 10px;
      font-size: 34px;
      line-height: 1.15;
      letter-spacing: -0.5px;
    }
    .hero-title .accent{
      background: linear-gradient(135deg, #b5002a, #ff2b55);
      -webkit-background-clip:text;
      background-clip:text;
      color: transparent;
    }
    .hero-sub{
      margin:0 0 16px;
      color: rgba(20,22,30,.78);
      font-size: 15px;
      line-height: 1.7;
      max-width: 58ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center;
      margin: 14px 0 8px;
    }
    .micro-row{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top: 10px;
    }
    .micro{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.66);
      border: 1px solid rgba(25,32,52,.10);
      color: rgba(20,22,30,.88);
      min-width: 180px;
    }
    .micro b{font-size:13px}
    .micro span{font-size:12px; color: var(--muted)}
    .ico{
      width:34px; height:34px; border-radius: 12px;
      border:1px solid rgba(181,0,42,.18);
      background: linear-gradient(135deg, rgba(181,0,42,.14), rgba(255,43,85,.10));
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 28px rgba(181,0,42,.10);
      flex:0 0 auto;
    }
    .hero-right{
      border-radius: var(--radius2);
      border: 1px solid rgba(25,32,52,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.56));
      box-shadow: var(--shadow2);
      padding: 16px 16px 18px;
      display:flex; flex-direction:column; gap:12px;
      overflow:hidden;
      position:relative;
    }
    .hero-right::after{
      content:"";
      position:absolute; inset:-1px;
      background:
        linear-gradient(135deg, rgba(181,0,42,.10), transparent 35%),
        linear-gradient(225deg, rgba(42,87,255,.10), transparent 35%);
      pointer-events:none;
      opacity:.8;
    }
    .hero-right > *{position:relative}
    .section-kicker{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top: 2px;
    }
    .kicker-left{
      display:flex; flex-direction:column; gap:4px;
    }
    .kicker-left .label{
      font-size:12px; color: rgba(20,22,30,.72);
      letter-spacing:.2px;
    }
    .kicker-left .big{
      font-size:16px; font-weight:800; letter-spacing:-.2px;
    }
    .status{
      display:flex; align-items:center; gap:10px;
      padding:9px 10px;
      border-radius: 999px;
      background: rgba(181,0,42,.08);
      border:1px solid rgba(181,0,42,.16);
      font-size:12px;
      color: rgba(20,22,30,.84);
      white-space:nowrap;
    }
    .pulse{
      width:10px; height:10px; border-radius:50%;
      background: var(--red2);
      box-shadow: 0 0 0 0 rgba(255,43,85,.45);
      animation: pulse 1.8s ease-out infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(255,43,85,.45); transform: scale(1)}
      60%{box-shadow:0 0 0 10px rgba(255,43,85,0); transform: scale(1.05)}
      100%{box-shadow:0 0 0 0 rgba(255,43,85,0); transform: scale(1)}
    }
    .metrics{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
    }
    .metric{
      background: rgba(255,255,255,.68);
      border:1px solid rgba(25,32,52,.10);
      border-radius: 16px;
      padding:12px 12px 11px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      min-height: 86px;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(25,32,52,.10);
      border-color: rgba(181,0,42,.18);
    }
    .metric .num{
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.3px;
      margin-bottom: 4px;
    }
    .metric .desc{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.5;
    }
    .quick-form{
      border-radius: 18px;
      border: 1px dashed rgba(181,0,42,.30);
      background: rgba(255,255,255,.62);
      padding: 12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .quick-form .row{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      border: 1px solid rgba(25,32,52,.10);
      padding: 9px 10px;
      background: rgba(255,255,255,.7);
      font-size: 12.5px;
      color: rgba(20,22,30,.86);
    }
    .chip svg{opacity:.85}
    .mini-btns{display:flex; gap:10px; flex-wrap:wrap}
    .btn-ghost{
      border-color: rgba(181,0,42,.22);
      background: rgba(255,255,255,.72);
      color: var(--deep);
      padding:10px 12px;
      border-radius: 14px;
      font-size: 13px;
      text-decoration:none;
      display:inline-flex; align-items:center; gap:10px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    }
    .btn-ghost:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(181,0,42,.14);
      background: rgba(255,255,255,.95);
    }

    .section{
      padding: 18px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px; flex-wrap:wrap;
      margin: 4px 0 14px;
    }
    .section-title h2{
      margin:0;
      font-size: 20px;
      letter-spacing: -0.3px;
    }
    .section-title 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, minmax(0,1fr));
      gap: 12px;
    }
    .card{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(25,32,52,.10);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 24px rgba(25,32,52,.06);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      position:relative;
      overflow:hidden;
    }
    .card::before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(500px 200px at 0% 0%, rgba(181,0,42,.16), transparent 45%);
      opacity:0;
      transition: opacity .2s ease;
      pointer-events:none;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 22px 44px rgba(25,32,52,.10);
      border-color: rgba(181,0,42,.16);
    }
    .card:hover::before{opacity:1}
    .card > *{position:relative}
    .card h3{
      margin: 8px 0 8px;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      border-radius: 999px;
      padding: 8px 10px;
      background: rgba(181,0,42,.08);
      border: 1px solid rgba(181,0,42,.16);
      color: rgba(20,22,30,.88);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .badge .tag{
      width:26px; height:26px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(181,0,42,.18), rgba(255,43,85,.10));
      border: 1px solid rgba(181,0,42,.18);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 26px rgba(181,0,42,.10);
    }

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }

    .timeline{
      display:flex; flex-direction:column; gap:10px;
    }
    .step{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.68);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(25,32,52,.10);
      border-color: rgba(181,0,42,.16);
    }
    .step .n{
      width:34px; height:34px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(181,0,42,.18), rgba(255,43,85,.14));
      border: 1px solid rgba(181,0,42,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: var(--deep);
      flex:0 0 auto;
    }
    .step .t{
      display:flex; flex-direction:column; gap:4px;
    }
    .step .t b{font-size:14px}
    .step .t span{font-size:13px; color: var(--muted); line-height:1.6}

    .compare-wrap{
      overflow:hidden;
      border-radius: var(--radius2);
      border:1px solid rgba(25,32,52,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.58));
      box-shadow: var(--shadow2);
    }
    .compare-top{
      padding: 16px 16px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
      border-bottom:1px solid rgba(25,32,52,.08);
      background:
        radial-gradient(800px 260px at 0% 0%, rgba(181,0,42,.15), transparent 52%),
        radial-gradient(500px 240px at 90% 20%, rgba(42,87,255,.12), transparent 58%);
    }
    .rating{
      display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    }
    .stars{
      display:flex; align-items:center; gap:6px;
    }
    .stars svg{width:18px; height:18px; color: #ff2b55; filter: drop-shadow(0 10px 18px rgba(255,43,85,.18));}
    .rating .score{
      display:flex; flex-direction:column; gap:4px;
    }
    .rating .score b{
      font-size: 22px; letter-spacing:-.3px;
    }
    .rating .score span{font-size:13px; color:var(--muted)}
    .compare-meta{
      display:flex; flex-direction:column; gap:6px;
      max-width: 60ch;
    }
    .compare-meta b{
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .compare-meta span{
      font-size: 13px;
      color: var(--muted);
      line-height: 1.6;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      font-size: 13px;
      color: rgba(20,22,30,.9);
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(25,32,52,.08);
      vertical-align:top;
    }
    th{
      background: rgba(181,0,42,.06);
      color: rgba(20,22,30,.95);
      font-weight: 800;
      text-align:left;
    }
    tr:last-child td{border-bottom:none}
    .hl{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,43,85,.10);
      border:1px solid rgba(181,0,42,.18);
      font-weight: 800;
    }
    .ok{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(42,87,255,.08);
      border:1px solid rgba(42,87,255,.16);
      font-weight: 800;
    }
    .muted-badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(25,32,52,.04);
      border:1px solid rgba(25,32,52,.10);
      font-weight: 700;
      color: rgba(20,22,30,.74);
    }

    .cases{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .case{
      padding: 14px;
      border-radius: var(--radius2);
      border: 1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 28px rgba(25,32,52,.06);
      overflow:hidden;
      position:relative;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .case:hover{transform: translateY(-3px); box-shadow: 0 26px 52px rgba(25,32,52,.10); border-color: rgba(181,0,42,.16)}
    .case .head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .case .head b{
      font-size: 14px;
      letter-spacing:-.2px;
      line-height: 1.3;
    }
    .case .pill{
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(181,0,42,.16);
      background: rgba(181,0,42,.08);
      white-space:nowrap;
      color: rgba(20,22,30,.86);
    }
    .case .body{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      margin:0 0 12px;
      min-height: 58px;
    }
    .case .foot{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .smalllink{
      display:inline-flex; align-items:center; gap:10px;
      text-decoration:none;
      border:1px solid rgba(25,32,52,.12);
      background: rgba(255,255,255,.66);
      border-radius: 12px;
      padding: 10px 12px;
      font-size: 13px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      color: rgba(20,22,30,.92);
    }
    .smalllink:hover{transform: translateY(-1px); box-shadow: 0 16px 30px rgba(25,32,52,.10); border-color: rgba(181,0,42,.16)}
    .arrow{
      width:24px; height:24px; border-radius: 10px;
      background: linear-gradient(135deg, rgba(181,0,42,.16), rgba(255,43,85,.10));
      border: 1px solid rgba(181,0,42,.18);
      display:flex; align-items:center; justify-content:center;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 12px;
      align-items:start;
    }
    .list{
      display:flex; flex-direction:column; gap:10px;
    }
    .list a.item{
      text-decoration:none;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.68);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .list a.item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(25,32,52,.10);
      border-color: rgba(181,0,42,.16);
    }
    .item .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 6px;
    }
    .item .top b{font-size:14px; letter-spacing:-.2px; line-height:1.3}
    .item .meta{
      font-size:12px; color: var(--muted);
      padding: 7px 10px; border-radius: 999px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.66);
      white-space:nowrap;
    }
    .item .desc{margin:0; color: var(--muted); font-size:13px; line-height:1.6}

    .aside{
      border-radius: var(--radius2);
      border:1px solid rgba(25,32,52,.10);
      background:
        radial-gradient(640px 220px at 0% 0%, rgba(181,0,42,.16), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.58));
      padding: 14px;
      box-shadow: 0 14px 32px rgba(25,32,52,.08);
      position:relative;
      overflow:hidden;
    }
    .aside h3{margin: 8px 0 6px; font-size: 15px; letter-spacing:-.2px}
    .aside p{margin:0; color: var(--muted); font-size: 13px; line-height:1.7}
    .tagcloud{
      display:flex; flex-wrap:wrap; gap:10px; margin-top: 12px;
    }
    .tagcloud a{
      text-decoration:none;
      font-size: 12.5px;
      color: rgba(20,22,30,.88);
      padding: 9px 10px;
      border-radius:999px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.66);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .tagcloud a:hover{
      transform: translateY(-1px);
      border-color: rgba(181,0,42,.18);
      background: rgba(181,0,42,.08);
    }

    .faq-wrap{
      border-radius: var(--radius2);
      border: 1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    details{
      border-top: 1px solid rgba(25,32,52,.08);
      padding: 0;
    }
    details:first-child{border-top:none}
    summary{
      cursor:pointer;
      list-style:none;
      padding: 14px 14px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
      transition: background .15s ease;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      display:flex; gap:10px; align-items:flex-start;
    }
    .q .qmark{
      width:30px; height:30px; border-radius: 12px;
      border:1px solid rgba(181,0,42,.18);
      background: rgba(181,0,42,.08);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 2px;
    }
    .q b{
      font-size: 14px;
      letter-spacing:-.2px;
      line-height: 1.45;
    }
    .chev{
      width:34px; height:34px; border-radius: 14px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.60);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
      flex:0 0 auto;
      margin-top: -2px;
    }
    details[open] summary .chev{transform: rotate(180deg)}
    details[open] summary{background: rgba(181,0,42,.06)}
    .ans{
      padding: 0 14px 14px 54px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
    }

    .reviews{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px;
    }
    .review{
      border-radius: var(--radius2);
      border: 1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 14px 32px rgba(25,32,52,.08);
      padding: 14px;
      position:relative;
      overflow:hidden;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .review:hover{transform: translateY(-3px); box-shadow: 0 26px 52px rgba(25,32,52,.10); border-color: rgba(181,0,42,.16)}
    .review .person{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px; margin-bottom:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius: 16px;
      background: linear-gradient(135deg, rgba(181,0,42,.18), rgba(42,87,255,.12));
      border:1px solid rgba(25,32,52,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.3px;
    }
    .review .who b{font-size:14px}
    .review .who span{display:block; font-size:12.5px; color: var(--muted); margin-top:4px}
    .review .rate{
      font-size:12px;
      border:1px solid rgba(181,0,42,.16);
      background: rgba(181,0,42,.08);
      padding: 8px 10px;
      border-radius: 999px;
      white-space:nowrap;
      color: rgba(20,22,30,.86);
      height: fit-content;
    }
    .review p{
      margin:0;
      color: rgba(20,22,30,.78);
      font-size:13.5px;
      line-height:1.8;
    }

    .form-wrap{
      border-radius: var(--radius2);
      border:1px solid rgba(25,32,52,.10);
      background:
        radial-gradient(760px 280px at 0% 0%, rgba(181,0,42,.16), transparent 52%),
        radial-gradient(520px 220px at 92% 12%, rgba(42,87,255,.12), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.58));
      box-shadow: var(--shadow2);
      padding: 14px;
    }
    form{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      align-items:start;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    label{
      font-size: 13px;
      color: rgba(20,22,30,.86);
      font-weight: 800;
      letter-spacing: -.2px;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(25,32,52,.14);
      background: rgba(255,255,255,.78);
      color: var(--text);
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
      font-size: 14px;
    }
    textarea{min-height: 112px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(181,0,42,.40);
      box-shadow: 0 0 0 4px rgba(181,0,42,.12);
    }
    .full{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top: 2px;
    }
    .hint{
      color: var(--muted);
      font-size: 12.5px;
      line-height:1.6;
      max-width: 60ch;
    }
    .btn-submit{
      border:1px solid rgba(181,0,42,.30);
      background: linear-gradient(135deg, #b5002a, #ff2b55);
      color:#fff;
      padding: 12px 16px;
      border-radius: 14px;
      font-size: 14px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      display:inline-flex; align-items:center; gap:10px;
      text-decoration:none;
      justify-content:center;
      min-width: 180px;
    }
    .btn-submit:hover{
      transform: translateY(-1px);
      box-shadow: 0 22px 48px rgba(181,0,42,.26);
      filter: saturate(1.05);
    }

    .anchor{
      position:relative;
      top:-82px;
      height: 1px;
    }

    footer{
      background: linear-gradient(180deg, rgba(15,23,42,.03), rgba(15,23,42,.06));
      border-top:1px solid rgba(25,32,52,.10);
      margin-top: 12px;
    }
    .footer-inner{
      padding: 18px 0 26px;
      color: rgba(20,22,30,.88);
    }
    .footer-top{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items:start;
      margin-bottom: 12px;
    }
    .contact-card{
      border-radius: var(--radius2);
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 28px rgba(25,32,52,.06);
      padding: 14px;
      display:flex; gap:12px; align-items:flex-start;
      position:relative;
      overflow:hidden;
    }
    .contact-card::before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(700px 260px at 0% 0%, rgba(181,0,42,.15), transparent 52%);
      opacity:.9;
      pointer-events:none;
    }
    .contact-card > *{position:relative}
    .contact-card .col{display:flex; flex-direction:column; gap:8px}
    .contact-card b{font-size:15px}
    .contact-grid{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 6px;
    }
    .contact-chip{
      display:inline-flex; align-items:center; gap:10px;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(25,32,52,.12);
      background: rgba(255,255,255,.66);
      font-size: 13px;
      color: rgba(20,22,30,.88);
      text-decoration:none;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .contact-chip:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(25,32,52,.10);
      border-color: rgba(181,0,42,.18);
    }
    .kefu{
      width:90px; height:90px;
      border-radius: 18px;
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.75);
      padding: 8px;
      flex: 0 0 auto;
      display:flex; align-items:center; justify-content:center;
    }
    .kefu img{max-width:100%; height:auto; border-radius: 14px}
    .footer-right{
      border-radius: var(--radius2);
      border:1px solid rgba(25,32,52,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 28px rgba(25,32,52,.06);
      padding: 14px;
    }
    .footer-right h3{margin: 6px 0 8px; font-size: 15px}
    .footer-links{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
      margin-top: 10px;
    }
    .footer-links a{
      text-decoration:none;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(25,32,52,.12);
      background: rgba(255,255,255,.66);
      font-size: 13px;
      color: rgba(20,22,30,.88);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); box-shadow: 0 16px 30px rgba(25,32,52,.10); border-color: rgba(181,0,42,.18)}
    .footer-bottom{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding-top: 10px;
      color: rgba(20,22,30,.70);
      font-size: 12.5px;
    }
    .backtop{
      border:1px solid rgba(25,32,52,.12);
      background: rgba(255,255,255,.72);
      padding: 10px 12px;
      border-radius: 14px;
      text-decoration:none;
      font-size: 13px;
      color: rgba(20,22,30,.88);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .backtop:hover{transform: translateY(-1px); box-shadow: 0 16px 30px rgba(25,32,52,.10)}

    .float-kefu{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap:10px;
      pointer-events:none;
    }
    .float-kefu a{
      pointer-events:auto;
      text-decoration:none;
    }
    .float-btn{
      border-radius: 18px;
      border: 1px solid rgba(181,0,42,.28);
      background: linear-gradient(135deg, rgba(181,0,42,.96), rgba(255,43,85,.92));
      color:#fff;
      padding: 12px 14px;
      box-shadow: 0 22px 48px rgba(181,0,42,.26);
      display:flex;
      align-items:center;
      gap:10px;
      transition: transform .15s ease, box-shadow .15s ease;
      max-width: 220px;
    }
    .float-btn:hover{transform: translateY(-2px); box-shadow: 0 28px 60px rgba(181,0,42,.30)}
    .float-btn .mini{
      width:34px; height:34px; border-radius: 14px;
      background: rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .float-btn b{font-size:14px}
    .float-btn span{display:block; font-size:12px; opacity:.92; margin-top:2px}
    .toast{
      position:fixed; left:50%; top: 14px; transform: translateX(-50%);
      background: rgba(15,23,42,.92);
      color:#fff;
      padding: 10px 12px;
      border-radius: 14px;
      box-shadow: 0 18px 44px rgba(0,0,0,.22);
      font-size: 13px;
      opacity:0; pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      z-index: 90;
      max-width: calc(100vw - 24px);
      text-align:center;
    }
    .toast.show{opacity:1; transform: translateX(-50%) translateY(0)}
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .nav-links{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-panel{display:block}
      .grid-3{grid-template-columns: repeat(2, minmax(0,1fr))}
      .two-col{grid-template-columns: 1fr}
      .cases{grid-template-columns: repeat(2, minmax(0,1fr))}
      .article-list{grid-template-columns: 1fr}
      .reviews{grid-template-columns: repeat(2, minmax(0,1fr))}
      .footer-top{grid-template-columns: 1fr}
      .footer-links{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      .ans{padding-left: 48px}
    }
    @media (max-width: 560px){
      .hero-title{font-size: 28px}
      .micro{min-width: 100%}
      .grid-3{grid-template-columns: 1fr}
      .cases{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .metrics{grid-template-columns: 1fr 1fr}
      .btn{padding:10px 12px}
      .nav-wrap{padding:12px 0}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .pulse{animation:none}
      .card:hover,.metric:hover,.step:hover,.case:hover,.review:hover{transform:none}
      .btn:hover,.smalllink:hover,.btn-ghost:hover,.contact-chip:hover,.backtop:hover{transform:none}
    }