body{font-family:Arial,sans-serif;background:#f3f6fb;margin:0;color:#1f2937} .wrap{max-width:1180px;margin:0 auto;padding:20px} .hero{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px;padding:22px;border-radius:18px;background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 50%,#0ea5e9 100%);color:#fff;box-shadow:0 14px 30px rgba(37,99,235,.22)} .hero h1{margin:8px 0 10px} .hero p{margin:0;color:rgba(255,255,255,.92);line-height:1.7} .kicker{display:inline-block;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.18);font-size:12px;font-weight:700} .hero-qr{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.92)} .hero-qr img,.footer-qr{width:120px;height:120px;object-fit:cover;border-radius:14px;border:4px solid rgba(255,255,255,.18);background:#fff} .panel{background:#fff;border-radius:16px;padding:18px;box-shadow:0 2px 12px rgba(15,23,42,.05);margin-bottom:16px} .highlight{border:1px solid #bfdbfe;background:linear-gradient(180deg,#eff6ff 0%,#ffffff 100%)} .warn{border:1px solid #fdba74;background:#fff7ed} .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px} .feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px} .feature-card{border:1px solid #e5e7eb;border-radius:12px;padding:14px;background:#fafafa} .feature-card h3{margin:0 0 8px} ul{padding-left:20px;line-height:1.9} pre{background:#0f172a;color:#e5e7eb;padding:14px;border-radius:12px;overflow:auto;white-space:pre-wrap} code{font-family:Consolas,monospace} .site-footer{margin-top:20px;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 2px 12px rgba(15,23,42,.05)} .footer-title{font-size:14px;font-weight:800;margin-bottom:4px} .muted{color:#6b7280;font-size:12px} @media (max-width:960px){.hero,.site-footer{flex-direction:column;align-items:flex-start}.grid,.feature-grid{grid-template-columns:1fr}}