:root{--bg: #0a0f0d;--panel: #0f1f1a;--ink: #f2f0ea;--dim: #9aa8a1;--accent: #f6c453;--line: rgba(255, 255, 255, .12)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 0%,#123a2e 0%,var(--bg) 55%);color:var(--ink);font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased}.wrap{width:min(760px,100%);margin:0 auto;padding:24px 18px 60px}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0 20px}.brand{font-weight:800;letter-spacing:.06em}.brand span{color:var(--dim);font-weight:600;font-size:14px;margin-left:6px}.top a,.back{color:var(--dim);text-decoration:none;font-size:16px}.top a:hover,.back:hover{color:var(--ink)}.lang-switch{display:inline-flex;align-items:center;min-height:44px;padding:0 8px}.crumbs{margin:4px 0 10px;color:var(--dim);font-size:15px}.crumbs a{color:var(--dim);text-decoration:underline;text-underline-offset:3px}.crumbs a:hover{color:var(--ink)}h1{font-size:clamp(28px,6vw,40px);line-height:1.3;margin:8px 0 14px}.lead{margin:0 0 28px;color:var(--dim);font-size:18px}h2{margin:36px 0 12px;font-size:clamp(22px,4.5vw,28px);color:var(--accent)}h3{margin:26px 0 8px;font-size:20px}p{margin:0 0 14px}ul,ol{margin:0 0 16px;padding-left:1.35em}li{margin-bottom:6px}.card{margin:20px 0;padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:#0f1f1ae6}.card strong{color:var(--accent)}.example{margin:18px 0;padding:16px 18px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:#f6c45312;color:var(--dim)}.example b{color:var(--ink)}table.odds{width:100%;margin:16px 0 20px;border-collapse:collapse;font-size:16px}table.odds th,table.odds td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}table.odds th{color:var(--dim);font-weight:600}.cta-row{margin:34px 0 10px}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:54px;margin:10px 10px 10px 0;padding:0 26px;border-radius:999px;background:var(--accent);color:#1b1b22;font-weight:800;font-size:18px;text-decoration:none}.cta.secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}.dg-footer{margin-top:60px;padding:40px 0 20px;border-top:1px solid rgba(255,255,255,.05);color:#fff6}.dg-seo-silo{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin:0 0 40px}.seo-col h3{font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#fff9;margin:0 0 16px}.seo-col ul{list-style:none;padding:0;margin:0}.seo-col li{margin-bottom:10px}.seo-col a{color:inherit;text-decoration:none;font-size:.85rem}.seo-col a:hover{color:#ffffffe6;text-decoration:underline}.dg-footer-copyright{text-align:center;font-size:.75rem;border-top:1px solid rgba(255,255,255,.05);padding-top:20px}@media(max-width:480px){body{font-size:16px}.wrap{padding:18px 14px 48px}table.odds th,table.odds td{padding:8px 6px}}