body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#1c2430;background:#f4f6f8;line-height:1.55}
a{color:#0b5f4e}
.top{display:flex;gap:16px;align-items:center;padding:16px 24px;background:#10241f;color:#fff}
.top a{color:#fff;text-decoration:none}
.brand{font-weight:700;margin-right:auto}
.layout{display:grid;grid-template-columns:260px 1fr;gap:24px;max-width:1080px;margin:0 auto;padding:24px}
.side{display:flex;flex-direction:column;gap:8px}
.side a{background:#fff;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:14px}
.side a[aria-current]{outline:2px solid #0b5f4e}
main{background:#fff;border-radius:12px;padding:28px 32px}
.index{max-width:880px;margin:0 auto}
.meta{color:#5c6b7a;font-size:13px}
h1{font-size:28px;margin:8px 0 12px}
h2{font-size:18px;margin:22px 0 8px}
.lead{font-size:16px}
.cards{display:grid;gap:12px}
article{background:#fff;border-radius:12px;padding:16px 18px}
@media(max-width:800px){.layout{grid-template-columns:1fr;padding:12px}main{padding:18px}}