.snb-board{max-width:700px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.1)}
.snb-header{background:linear-gradient(135deg,#1565ff,#0d47a1);color:#fff;padding:18px;font-size:28px;font-weight:700}
.snb-item{display:flex;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #eee}
.snb-item a{text-decoration:none;color:#ff6f00;font-size:18px}
.snb-badge{background:#ff1e1e;color:#fff;padding:6px 10px;border-radius:4px;font-size:12px;font-weight:700}