.coc-hero{background:linear-gradient(135deg,#0d6efd 0%,#6610f2 100%);color:#fff;padding:60px 0}
.coc-title{font-weight:800;letter-spacing:.5px;margin:0}
.coc-subtitle{opacity:.9;margin-top:10px}
.coc-badge{padding:10px 14px;border-radius:999px}
.coc-toc{position:sticky;top:100px;background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.05);padding:12px}
.coc-toc a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#0b2238;text-decoration:none;font-weight:600}
.coc-toc a:hover{background:#f1f5ff}
.coc-section{margin-bottom:24px}
.coc-card{border:none;border-radius:16px;box-shadow:0 12px 40px rgba(13,110,253,.12)}
.coc-heading{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:14px}
.coc-list{margin:0;padding-left:20px}
.coc-list li{margin-bottom:6px}