:root{
    --black:#111111;
    --dark:#1c1c1c;
    --yellow:#ffb800;
    --yellow-dark:#e6a400;
    --ink:#333333;
    --muted:#666666;
    --line:#e6e6e6;
    --bg:#f6f7f9;
    --white:#ffffff;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  body{font-family:"Segoe UI","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;}
  .container{max-width:1180px;margin:0 auto;padding:0 20px;}
  .hero{background:linear-gradient(135deg,var(--black) 0%,var(--dark) 70%);color:#fff;padding:56px 0 48px;}
  .hero .kicker{display:inline-block;background:var(--yellow);color:var(--black);font-weight:700;font-size:13px;letter-spacing:1.5px;padding:4px 14px;border-radius:3px;text-transform:uppercase;margin-bottom:16px;}
  .hero h1{font-size:34px;line-height:1.3;font-weight:800;margin-bottom:14px;}
  .hero p.lead{font-size:17px;color:#e8e8e8;max-width:1000px;}
  .hero .badges{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
  .hero .badge{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);color:#fff;padding:6px 14px;border-radius:20px;font-size:13px;}
  section{padding:44px 0;}
  .section-title{font-size:26px;font-weight:800;color:var(--black);margin-bottom:6px;position:relative;padding-left:16px;}
  .section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;background:var(--yellow);border-radius:3px;}
  .section-sub{color:var(--muted);margin-bottom:26px;}
  .card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:26px;box-shadow:0 2px 10px rgba(0,0,0,.04);}
  .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
  .feature{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--yellow);border-radius:8px;padding:20px 22px;}
  .feature h3{font-size:17px;font-weight:700;color:var(--black);margin-bottom:6px;}
  .feature p{font-size:14px;color:var(--muted);}
  .app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .app{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:20px;text-align:center;}
  .app .ic{width:52px;height:52px;margin:0 auto 12px;border-radius:50%;background:var(--dark);color:var(--yellow);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;}
  .app h3{font-size:15px;color:var(--black);margin-bottom:6px;}
  .app p{font-size:13px;color:var(--muted);}
  .table-wrap{overflow-x:auto;background:var(--white);border:1px solid var(--line);border-radius:10px;}
  table{width:100%;border-collapse:collapse;min-width:920px;}
  caption{caption-side:top;text-align:left;padding:18px 22px;font-weight:800;font-size:18px;color:var(--black);background:var(--dark);color:#fff;}
  th{background:var(--black);color:#fff;padding:13px 14px;text-align:center;font-size:14px;font-weight:700;border:1px solid #333;}
  td{padding:12px 14px;text-align:center;border:1px solid var(--line);font-size:14px;}
  tbody tr:nth-child(even){background:#fafbfc;}
  td:first-child{background:#f0f1f3;font-weight:600;text-align:left;color:var(--black);}
  tr.hl td{background:#fff7e0;}
  .faq-item{border:1px solid var(--line);border-radius:8px;background:var(--white);margin-bottom:12px;overflow:hidden;}
  .faq-item details{ }
  .faq-item summary{cursor:pointer;padding:16px 20px;font-weight:700;color:var(--black);list-style:none;position:relative;padding-right:40px;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"+";position:absolute;right:18px;top:14px;font-size:20px;color:var(--yellow-dark);font-weight:800;}
  .faq-item[open] summary::after{content:"-";}
  .faq-item .a{padding:0 20px 18px;color:var(--muted);font-size:15px;}
  .cta{background:linear-gradient(135deg,var(--yellow) 0%,var(--yellow-dark) 100%);border-radius:12px;padding:36px;text-align:center;color:var(--black);}
  .cta h2{font-size:26px;font-weight:800;margin-bottom:8px;}
  .cta p{font-size:16px;font-weight:600;margin-bottom:20px;}
  .cta .btn{display:inline-block;background:var(--black);color:#fff;font-weight:700;padding:13px 34px;border-radius:6px;text-decoration:none;font-size:16px;}
  .cta .btn:hover{background:#000;}
  .note{background:#fffbe9;border:1px solid #ffe9a8;border-radius:8px;padding:14px 18px;font-size:13px;color:#7a5b00;margin-top:20px;}
  footer{background:var(--dark);color:#bbb;padding:26px 0;text-align:center;font-size:13px;}
  @media (max-width:860px){
    .feature-grid{grid-template-columns:1fr;}
    .app-grid{grid-template-columns:1fr;}
    .hero h1{font-size:26px;}
    .section-title{font-size:22px;}
  }