:root{--brand: #ff6a00;--brand-dark: #e25d00;--text: #1f1f1f;--text-2: #555;--text-3: #999;--border: #e5e5ea;--bg: #f4f5f7;--card: #fff;--success: #07c160;--danger: #e94d4d;--warn: #f0a020}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}button{border:none;background:none;padding:0;margin:0;cursor:pointer;font-family:inherit;font-size:inherit;color:inherit}input,textarea,select{font-family:inherit;font-size:inherit;outline:none}a{color:inherit;text-decoration:none}.admin-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#1d1d26;color:#c8c8d0;display:flex;flex-direction:column;flex-shrink:0}.sidebar .logo{padding:20px;font-weight:700;font-size:16px;color:#fff;border-bottom:1px solid #2a2a36}.sidebar nav .item{display:flex;align-items:center;gap:10px;padding:11px 20px;color:#c8c8d0;font-size:14px;cursor:pointer;border-left:3px solid transparent}.sidebar nav .item:hover{background:#25252f;color:#fff}.sidebar nav .item.active{background:#25252f;color:#fff;border-left-color:var(--brand)}.sidebar .bottom{margin-top:auto;padding:12px 20px;font-size:12px;color:#8a8a96;border-top:1px solid #2a2a36}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px}.topbar .title{font-size:17px;font-weight:600}.topbar .spacer{flex:1}.topbar .admin-info{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-2)}.topbar .logout{color:var(--text-2);padding:4px 10px;border-radius:4px}.topbar .logout:hover{background:#f0f0f0;color:var(--danger)}.content{padding:20px}.card{background:var(--card);border-radius:8px;padding:16px;box-shadow:0 1px 3px #0000000d}.card+.card{margin-top:16px}.row{display:flex;gap:16px;flex-wrap:wrap}.col{display:flex;flex-direction:column;gap:12px}.input,.textarea,.select{width:100%;background:#fff;border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px;transition:border-color .15s;color:var(--text)}.input:focus,.textarea:focus,.select:focus{border-color:var(--brand)}.textarea{min-height:100px;resize:vertical;line-height:1.7}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:#fff;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:7px 14px;font-size:13px;cursor:pointer}.btn:hover{border-color:#bbb}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}.btn-danger{background:#fff;color:var(--danger);border-color:#f2b6b6}.btn-danger:hover{background:#fef1f1}.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn-sm{padding:4px 10px;font-size:12px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}.table th{background:#fafafa;font-weight:600;color:var(--text-2)}.table tbody tr:hover{background:#fbfbfd}.table-empty{text-align:center;padding:40px;color:var(--text-3)}.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:10px;background:#f0f0f0;color:var(--text-2)}.tag-green{background:#e3f7eb;color:var(--success)}.tag-orange{background:#fff1df;color:var(--brand)}.tag-gray{background:#ececee;color:var(--text-3)}.tag-red{background:#fde3e3;color:var(--danger)}.tag-blue{background:#e5eeff;color:#3a6fe2}.grid-stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat{background:#fff;border-radius:8px;padding:18px 20px;box-shadow:0 1px 3px #0000000d}.stat .label{color:var(--text-2);font-size:13px}.stat .num{font-size:26px;font-weight:700;margin-top:6px;color:var(--text)}.stat .delta{font-size:12px;color:var(--text-3);margin-top:4px}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;align-items:center;justify-content:center}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.img-sm{width:44px;height:44px;border-radius:4px;-o-object-fit:cover;object-fit:cover;background:#f0f0f0}.img-xs{width:28px;height:28px;border-radius:4px;-o-object-fit:cover;object-fit:cover;background:#f0f0f0}.modal-mask{position:fixed;inset:0;background:#0006;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding:60px 20px}.modal{width:100%;max-width:720px;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 20px 40px #0003}.modal-head{padding:14px 20px;border-bottom:1px solid var(--border);font-weight:600;font-size:15px}.modal-body{padding:20px;max-height:60vh;overflow:auto}.modal-foot{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:#fafafa}.pagination{display:flex;align-items:center;gap:8px;justify-content:center;padding:16px 0;color:var(--text-2);font-size:13px}.pagination .pn{min-width:32px;height:32px;border:1px solid var(--border);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;padding:0 8px}.pagination .pn:hover:not(.disabled):not(.active){border-color:var(--brand);color:var(--brand)}.pagination .pn.active{background:var(--brand);color:#fff;border-color:var(--brand)}.pagination .pn.disabled{opacity:.4;cursor:not-allowed}.search-bar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.search-bar .input{flex:1;min-width:140px}.empty{text-align:center;padding:60px 0;color:var(--text-3)}.form-row{display:flex;gap:12px;align-items:center;margin-bottom:12px}.form-row label{width:110px;flex-shrink:0;color:var(--text-2);font-size:13px}.form-row .wrap{flex:1;min-width:0}.form-row .hint{font-size:12px;color:var(--text-3);margin-top:4px}.form-row .req{color:var(--danger);margin-left:2px}.auth-page{min-height:100vh;background:linear-gradient(135deg,#ff6a00,#ff8f3a);display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:380px;background:#fff;border-radius:12px;padding:28px 24px}.auth-card h2{margin:0 0 20px;text-align:center}.toast-fixed{position:fixed;z-index:2000;left:50%;top:45%;transform:translate(-50%,-50%);background:#000c;color:#fff;padding:10px 20px;border-radius:8px;font-size:14px;max-width:80vw}.rich-tip{font-size:12px;color:var(--text-3);margin-top:4px}.link-row{display:flex;gap:8px;align-items:center;margin-bottom:6px}.link-row .input{flex:1}