:root{--bg: #f5f6f8;--card: #ffffff;--text: #1f2329;--muted: #8a909a;--border: #e5e7eb;--primary: #d4380d;--primary-d: #a61b04;--accent: #1d39c4;--green: #389e0d;--red: #cf1322;--shadow: 0 2px 10px rgba(0,0,0,.06);--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:15px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:10px 18px;font-size:15px;background:var(--primary);color:#fff;transition:filter .15s}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.accent{background:var(--accent)}.btn.green{background:var(--green)}.btn.red{background:var(--red)}.btn.lg{padding:14px 26px;font-size:17px;border-radius:12px}.btn.block{width:100%}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.muted{color:var(--muted)}.row{display:flex;gap:12px;align-items:center}.row.wrap{flex-wrap:wrap}.spacer{flex:1}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(212,56,13,.25);border-color:var(--primary)}.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;background:#f0f1f3;color:#555}.tag.broadcast{background:#fff1e8;color:var(--primary)}.tag.music{background:#eef1ff;color:var(--accent)}.tag.ok{background:#f0fbea;color:var(--green)}.tag.warn{background:#fff7e6;color:#d48806}table.grid{width:100%;border-collapse:collapse}table.grid th,table.grid td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}table.grid th{color:var(--muted);font-weight:500;font-size:13px}table.grid tr:hover td{background:#fafbfc}.topbar{display:flex;align-items:center;gap:16px;padding:14px 22px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;font-size:17px;color:var(--primary)}.container{max-width:1080px;margin:0 auto;padding:22px}.error{background:#fff1f0;border:1px solid #ffccc7;color:var(--red);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:12px}.ok-msg{background:#f6ffed;border:1px solid #b7eb8f;color:var(--green);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:12px}