.site-hd{position:sticky;top:0;z-index:50;background:#111827;border-bottom:3px solid #ff6a00;font-family:system-ui,sans-serif}
.site-in{max-width:1100px;margin:auto;padding:0 16px;height:58px;display:flex;align-items:center;justify-content:space-between}
.site-logo{font-weight:900;font-size:1.25rem;color:#fff;letter-spacing:1px;text-decoration:none;min-height:44px;display:flex;align-items:center}.site-logo span{color:#ff6a00}
.site-menu summary{display:none}.site-links{display:flex;gap:6px}
.site-links a{color:#cbd5e1;font-weight:600;text-decoration:none;padding:0 12px;min-height:44px;display:flex;align-items:center;border-radius:8px}
.site-links a:hover,.site-links a[aria-current]{color:#fff;background:#1f2937}
.backbar{max-width:1100px;margin:12px auto 0;padding:0 16px;display:flex;gap:10px;font-family:system-ui,sans-serif}
.backbar a{min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:8px;background:#1f2937;color:#fff;font-weight:700;text-decoration:none}
.postnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;border-top:1px solid #232c3b;padding-top:20px}
.postnav a{min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:8px;background:#1f2937;color:#fff;font-weight:700;text-decoration:none}
@media(max-width:700px){.site-menu summary{display:flex;align-items:center;justify-content:center;width:48px;height:44px;list-style:none;cursor:pointer;color:#fff;font-size:26px;border:1px solid #374151;border-radius:8px}
.site-menu summary::-webkit-details-marker{display:none}
.site-links{display:none}.site-menu[open] .site-links{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:61px;background:#111827;padding:8px 16px 16px;border-bottom:3px solid #ff6a00}
.site-links a{font-size:1.1rem;min-height:48px}}