:root{--ink:#17212b;--muted:#64748b;--line:#dce3ea;--surface:#fff;--page:#f4f7fa;--brand:#db2777;--brand-dark:#9d174d;--good:#15803d;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}.topbar{height:60px;background:#17212b;color:#fff;display:flex;align-items:center;padding:0 24px;gap:24px}.brand{font-weight:700;font-size:18px}.topbar nav{display:flex;gap:4px;flex:1}.topbar nav a{padding:8px 10px;border-radius:4px;color:#d9e0e8}.topbar nav a.active,.topbar nav a:hover{background:#2a3948;color:#fff}.account{font-size:14px;color:#d9e0e8}.wrap{max-width:1240px;margin:0 auto;padding:28px 24px 48px}.mobile-wrap{max-width:680px;margin:0 auto;padding:18px 16px 40px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.page-head h1{font-size:24px;margin:0}.sub{color:var(--muted);font-size:14px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px;margin-bottom:18px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px}.stat b{font-size:28px;display:block}.stat span{color:var(--muted);font-size:13px}label{font-weight:600;display:block;margin:0 0 6px}input,select,textarea{border:1px solid #b9c5d1;border-radius:4px;padding:10px 11px;width:100%;font:inherit;background:#fff;color:var(--ink)}textarea{min-height:90px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #fbcfe8;border-color:var(--brand)}.field{margin-bottom:14px}.btn{appearance:none;border:1px solid transparent;border-radius:4px;background:var(--brand);color:#fff;font:inherit;font-weight:600;padding:9px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn:hover{background:var(--brand-dark)}.btn-secondary{background:#fff;color:var(--ink);border-color:#b9c5d1}.btn-secondary:hover{background:#eef2f7}.btn-danger{background:var(--danger)}.btn-small{font-size:13px;padding:6px 9px}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:680px}.table th,.table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}.table th{font-size:13px;color:var(--muted);font-weight:600;background:#fbfcfd}.thumb{width:74px;height:52px;background:#edf1f5;border-radius:4px;object-fit:cover}.video-icon{width:74px;height:52px;border-radius:4px;background:#1e293b;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}.badge{display:inline-block;padding:3px 7px;border-radius:999px;font-size:12px;background:#e2e8f0;color:#334155}.badge.good{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.flash{padding:11px 13px;border-radius:4px;margin-bottom:16px}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:#fff;width:100%;max-width:400px;padding:28px;border-radius:8px;border:1px solid var(--line);box-shadow:0 16px 45px rgba(15,23,42,.09)}.login-card h1{margin:0 0 5px;font-size:24px}.mobile-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.mobile-header strong{font-size:18px}.upload-zone{border:2px dashed #cbd5e1;padding:24px 16px;border-radius:6px;text-align:center;background:#fafcff}.upload-zone input{padding:0;border:0;background:none}.hint{font-size:13px;color:var(--muted);margin-top:6px}.empty{text-align:center;color:var(--muted);padding:28px}.copy-content{white-space:pre-wrap;background:#fbfcfd;border:1px solid var(--line);padding:14px;border-radius:4px}.filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;align-items:end}.cover-preview{max-width:160px;max-height:120px;border-radius:4px;display:block;margin-top:8px}@media(max-width:760px){.topbar{padding:0 14px}.topbar nav{overflow:auto}.topbar nav a{white-space:nowrap}.account{display:none}.wrap{padding:20px 14px}.grid-2,.grid-3,.stats,.filters{grid-template-columns:1fr}.page-head{align-items:flex-start;flex-direction:column}.panel{padding:16px}.mobile-hide{display:none}.mobile-wrap{padding:16px}.btn{min-height:42px}.upload-zone{padding:22px 12px}}