:root{--bg: #f5f7fa;--panel: #fff;--border: #e6e9ef;--text: #1f2733;--muted: #8a93a1;--primary: #1f5fd1;--primary-d: #184fae;--danger: #e0413a;--radius: 6px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px}#app{min-height:100vh}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef3fb,#f7f9fc)}.login section{width:390px;max-width:100%;background:#fff;padding:39px;border-radius:10px;box-shadow:0 12px 40px #1f5fd114}.login-mark{font-size:13px;letter-spacing:4px;color:var(--primary);font-weight:600}.login h1{margin:10px 0 6px;font-size:22px}.login p{color:var(--muted);line-height:1.7;margin:0 0 18px}.login-form{display:grid;gap:13px;margin-bottom:6px}.login small{display:block;margin-top:18px;color:var(--muted);font-size:12px;line-height:1.6}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 16px;border-radius:var(--radius)}button:hover{border-color:#c9d2e0}.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.primary:hover{background:var(--primary-d);border-color:var(--primary-d)}.primary:disabled{opacity:.6;cursor:not-allowed}.danger{color:var(--danger);border-color:#f0b5b1;background:#fff5f4}.danger:hover{background:#fdeceb}.text-button{border:none;background:none;color:var(--primary);padding:4px 8px}.text-button:hover{text-decoration:underline}input,textarea{font:inherit;width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:var(--radius);outline:none;background:#fff;color:var(--text)}input:focus,textarea:focus{border-color:var(--primary)}textarea{resize:vertical;min-height:72px}label{display:block;font-size:13px;color:#46506a}label>input,label>textarea{margin-top:5px}.checkbox{display:flex;align-items:center;gap:8px}.checkbox input{width:auto}.form-error{color:var(--danger);background:#fff5f4;border:1px solid #f0b5b1;padding:9px 12px;border-radius:var(--radius);font-size:13px;margin-top:12px}.notice{display:inline-block;margin-bottom:14px;padding:9px 14px;background:#eaf3ff;color:var(--primary);border-radius:var(--radius);font-size:13px}.hint{color:var(--muted);font-size:12px;line-height:1.6;margin:4px 0 0}.topbar{display:flex;align-items:center;gap:18px;padding:0 24px;height:60px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;font-size:16px;color:var(--primary)}.topbar .brand small{color:var(--muted);font-weight:400;margin-left:6px;font-size:12px}.nav{display:flex;gap:4px;flex:1}.nav button{border:none;background:none;color:var(--muted);padding:8px 14px;border-radius:var(--radius)}.nav button:hover{background:#f0f4fa;color:var(--text)}.nav button.active{background:#eaf3ff;color:var(--primary);font-weight:600}.topbar .spacer{flex:1}.content{padding:22px 24px 60px;max-width:1280px;margin:0 auto}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px}.toolbar input{max-width:280px}.toolbar .spacer{flex:1}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}.table th{background:#f7f9fc;color:#46506a;font-weight:600}.table tr:last-child td{border-bottom:none}.table .group-row td{background:#eef3fb;color:var(--primary);font-weight:600;padding:9px 12px}.table .group-row small{color:var(--muted);font-weight:400;margin-left:4px}.thumb{width:48px;height:48px;object-fit:cover;border-radius:4px}.prod-layout{display:flex;gap:16px;align-items:flex-start}.prod-nav{flex:0 0 184px;display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:10px;position:sticky;top:76px;align-self:flex-start;max-height:calc(100vh - 100px);overflow:auto}.prod-nav button{border:1px solid transparent;background:#f7f9fc;color:#46506a;text-align:left;padding:9px 12px;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:8px}.prod-nav button:hover{background:#eef3fb}.prod-nav button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.prod-nav .cnt{font-size:12px;opacity:.85;flex:0 0 auto}.prod-main{flex:1;min-width:0}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.banner-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}.banner-card img{width:100%;height:150px;object-fit:cover;border-radius:4px;background:#f0f2f5}.banner-card h3{margin:0;font-size:15px}.banner-card p{margin:0;color:#46506a;font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.banner-card small{color:var(--muted);font-size:12px}.banner-card .card-actions{margin-top:auto;display:flex;justify-content:flex-end;border-top:1px solid var(--border);padding-top:10px}.cat-tree{display:grid;gap:14px}.cat-l1{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px}.cat-l2{margin:10px 0 0 24px;background:#fafbfd;border:1px solid var(--border);border-radius:var(--radius);padding:12px}.cat-l3{margin:10px 0 0 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:10px}.cat-row{display:flex;align-items:center;gap:10px}.cat-row b{font-size:14px}.cat-row .paixu{color:var(--muted);font-size:12px}.cat-row .text-button{margin-left:auto}.cat-icon{width:28px;height:28px;object-fit:cover;border-radius:4px}.cat-toggle{border:1px solid var(--border);background:#fff;color:#46506a;width:26px;height:26px;padding:0;border-radius:4px;font-size:11px;line-height:1;flex:0 0 auto}.cat-toggle:hover{background:#f0f4fa}.lv{display:inline-block;padding:2px 9px;border-radius:4px;font-size:12px;background:#eef2f7;color:#46506a}.lv-1{background:#e7f0ff;color:var(--primary)}.lv-2{background:#eafaf0;color:#1f9d57}.lv-3{background:#fff3e6;color:#c4761a}.lv-3.indent{margin-left:22px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#141e3273;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto;z-index:50}.modal-box{background:#fff;border-radius:10px;width:560px;max-width:100%;padding:22px 24px;box-shadow:0 20px 60px #0003}.modal-box h2{margin:0 0 16px;font-size:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label.full{grid-column:1 / -1}.form-grid textarea{min-height:120px;line-height:1.6}.modal-actions{display:flex;align-items:center;gap:10px;margin-top:20px}.modal-actions .spacer{flex:1}.upload{display:block}.upload img.uploaded{width:96px;height:96px;object-fit:cover;border-radius:4px;border:1px solid var(--border);margin-bottom:6px;display:block}.upload input[type=file]{font-size:12px;padding:6px 0;border:none}.upload-multi{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start}.thumb-wrap{position:relative}.thumb-wrap img{width:96px;height:96px;object-fit:cover;border-radius:4px;border:1px solid var(--border);display:block}.thumb-del{position:absolute;top:-8px;right:-8px;width:22px;height:22px;border-radius:50%;background:var(--danger);color:#fff;border:2px solid #fff;padding:0;line-height:1;font-size:14px}.thumb-del:hover{opacity:.9}.add-slot{display:flex;flex-direction:column;align-items:center;justify-content:center;width:96px;height:96px;border:1px dashed var(--border);border-radius:4px;color:var(--muted);cursor:pointer;text-align:center}.add-slot input[type=file]{position:absolute;width:96px;height:96px;opacity:0;cursor:pointer}.add-slot .upload-add{font-size:12px;pointer-events:none}.link-info{color:var(--primary);background:#eaf3ff;padding:3px 8px;border-radius:4px;display:inline-block}.empty{color:var(--muted);padding:40px;text-align:center;background:#fff;border:1px dashed var(--border);border-radius:var(--radius)}