:root{--bg:#f5f6f8;--panel:#fff;--ink:#17202a;--muted:#5d6977;--line:#d6dde6;--nav:#17202a;--nav2:#243241;--blue:#2f5f9f}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 "Segoe UI",Arial,sans-serif}
.site{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}
.side{background:var(--nav);color:#edf3f7;padding:20px 14px;position:sticky;top:0;height:100vh}
.brand{font-weight:750;font-size:19px;margin-bottom:4px}.sub{color:#b8c5d1;font-size:12px;margin:0 0 18px}
.nav{display:flex;flex-direction:column;gap:4px}.nav a{color:#edf3f7;text-decoration:none;padding:8px 10px;border-radius:5px}.nav a:hover,.nav a.active{background:var(--nav2)}
.lang-switch{border-top:1px solid #344556;margin-top:16px;padding-top:12px;color:#b8c5d1;font-size:12px}
.lang-options{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.lang-options a,.lang-options span{border:1px solid #405569;border-radius:4px;padding:4px 7px;color:#edf3f7;text-decoration:none}.lang-options span{background:var(--nav2);font-weight:700}.lang-options a:hover{border-color:#9fc4e8}
.main{padding:24px;max-width:1180px}.hero,.panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:18px;margin-bottom:14px}
h1{font-size:30px;line-height:1.15;margin:0 0 8px}h2{font-size:20px;margin:0 0 8px}.lead{color:var(--muted);max-width:850px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.btn{background:var(--blue);color:#fff;text-decoration:none;border-radius:5px;padding:9px 13px;font-weight:650}.btn.secondary{background:#eef2f5;color:#203040;border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:14px}
code{background:#eef2f5;padding:1px 4px;border-radius:3px}table{border-collapse:collapse;width:max-content;max-width:100%}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:6px;background:#fff}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#eef2f5;font-size:13px}td.hash{font-family:Consolas,monospace;font-size:12px;word-break:break-all}
@media(max-width:800px){.site{grid-template-columns:1fr}.side{position:static;height:auto}.nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}.main{padding:14px}}