body { background:#f7f8fb; }
.card-shadow { box-shadow: 0 12px 30px rgba(15,23,42,.08); border:none; }
.hero { background: linear-gradient(135deg,#111827,#1d4ed8); color:#fff; border-radius:24px; padding:2rem; }
.feed-body { white-space: pre-wrap; }