.err-404{max-width:720px;margin:48px auto;padding:24px 0;text-align:center}
.err-code{font-size:72px;font-weight:800;color:#b42318;line-height:1;margin-bottom:8px}
.err-404 h1{font-size:24px;margin:0 0 12px}
.err-404 p{color:#666;margin:0 0 24px}
.err-actions{display:flex;gap:12px;justify-content:center;margin-bottom:32px}
.err-actions .btn{display:inline-block;padding:10px 22px;border:1px solid #d4d4d4;border-radius:8px;text-decoration:none;color:#333;background:#fff}
.err-actions .btn-primary{background:#b42318;border-color:#b42318;color:#fff}
.err-hot h2{font-size:16px;margin-bottom:12px}
.err-hot-list{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.err-hot-list a{display:inline-block;padding:6px 14px;border:1px solid #e5e5e5;border-radius:999px;text-decoration:none;color:#444;background:#fafafa}
.err-hot-list a:hover{border-color:#b42318;color:#b42318}
.err-tip{font-size:13px;color:#999}