*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"Microsoft YaHei",sans-serif;background:#f0f2f5;color:#333;min-height:100vh}
.header{background:#fff;padding:12px 24px;box-shadow:0 1px 4px rgba(0,0,0,.08);display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:100}
.header h1{font-size:18px;white-space:nowrap}
.header .tabs{display:flex;gap:4px;margin-left:auto}
.tab{padding:6px 16px;border-radius:6px;border:none;cursor:pointer;font-size:13px;background:transparent;color:#666;transition:all .2s}
.tab:hover{background:#f0f0f0}
.tab.active{background:#1890ff;color:#fff}
.main{display:flex;gap:16px;padding:16px 24px;max-width:1600px;margin:0 auto;height:calc(100vh - 80px)}
.left-panel{width:360px;flex-shrink:0;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.08);display:flex;flex-direction:column;overflow:hidden}
.left-header{padding:12px 16px;border-bottom:1px solid #f0f0f0;display:flex;gap:8px}
.left-header input{flex:1;padding:6px 10px;border:1px solid #d9d9d9;border-radius:6px;font-size:13px;outline:none}
.left-header input:focus{border-color:#1890ff}
.left-header button{padding:6px 12px;border:none;border-radius:6px;font-size:13px;cursor:pointer;background:#e6f7ff;color:#1890ff}
.left-header button:hover{background:#bae7ff}
.product-list{flex:1;overflow-y:auto;padding:8px}
.product-item{padding:10px 12px;border-radius:6px;cursor:pointer;margin-bottom:4px;border:1px solid transparent;transition:all .15s;display:flex;align-items:center;gap:10px}
.product-item:hover{background:#fafafa;border-color:#e8e8e8}
.product-item.selected{background:#e6f7ff;border-color:#91d5ff}
.product-item input[type=checkbox]{flex-shrink:0}
.product-item .info{flex:1;min-width:0}
.product-item .name{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.product-item .meta{font-size:11px;color:#999;margin-top:2px}
.product-item .cat{font-size:10px;padding:1px 6px;border-radius:3px;flex-shrink:0}
.cat-blue{background:#e6f7ff;color:#1890ff}
.cat-non{background:#fff7e6;color:#d46b08}
.cat-device{background:#f6ffed;color:#389e0d}
.product-item .actions{display:flex;gap:4px;flex-shrink:0}
.product-item .actions button{padding:2px 8px;font-size:11px;border-radius:4px;border:none;cursor:pointer;background:transparent}
.product-item .actions button.edit{color:#1890ff}
.product-item .actions button.edit:hover{background:#e6f7ff}
.product-item .actions button.del{color:#ff4d4f}
.product-item .actions button.del:hover{background:#fff1f0}
.right-panel{flex:1;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.08);overflow-y:auto;padding:20px;position:relative}
.empty-state{text-align:center;color:#bbb;padding-top:120px;font-size:15px}
.empty-state .icon{font-size:48px;margin-bottom:12px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;color:#888;margin-bottom:4px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:7px 10px;border:1px solid #d9d9d9;border-radius:6px;font-size:13px;font-family:inherit;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#1890ff;box-shadow:0 0 0 2px rgba(24,144,255,.1)}
.form-group textarea{resize:vertical;min-height:60px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-section{margin-top:20px;padding-top:16px;border-top:1px solid #f0f0f0}
.form-section h3{font-size:14px;color:#555;margin-bottom:12px}
.tag-input{display:flex;flex-wrap:wrap;gap:6px;padding:6px;border:1px solid #d9d9d9;border-radius:6px;min-height:36px;align-items:center}
.tag-input .tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:#fff7e6;color:#d46b08;border-radius:4px;font-size:12px}
.tag-input .tag .remove{cursor:pointer;font-weight:700;font-size:14px;line-height:1;color:#999}
.tag-input .tag .remove:hover{color:#ff4d4f}
.tag-input input{border:none;outline:none;flex:1;min-width:80px;font-size:13px;padding:2px}
.ingredient-row{display:flex;gap:8px;margin-bottom:6px;align-items:center}
.ingredient-row input{flex:1;padding:6px 10px;border:1px solid #d9d9d9;border-radius:6px;font-size:13px;outline:none}
.ingredient-row input:focus{border-color:#1890ff}
.ingredient-row button{padding:4px 10px;border-radius:4px;border:none;cursor:pointer;font-size:12px}
.btn-remove{background:#fff1f0;color:#ff4d4f}
.btn-remove:hover{background:#ffccc7}
.btn-add-row{background:#f6ffed;color:#52c41a;margin-top:4px;padding:4px 12px;border-radius:4px;border:none;cursor:pointer;font-size:12px}
.btn-add-row:hover{background:#d9f7be}
.btn-primary{padding:8px 20px;border:none;border-radius:6px;background:#1890ff;color:#fff;font-size:13px;cursor:pointer;font-weight:500}
.btn-primary:hover{background:#40a9ff}
.btn-danger{background:#ff4d4f;margin-left:8px}
.btn-danger:hover{background:#ff7875}
.btn-compare{padding:8px 20px;border:none;border-radius:6px;background:#52c41a;color:#fff;font-size:13px;cursor:pointer;font-weight:500}
.btn-compare:hover{background:#73d13d}
.btn-compare:disabled{background:#d9d9d9;cursor:not-allowed}
.toolbar{display:flex;gap:8px;justify-content:center;margin-top:16px}
.compare-result{position:relative}
.compare-result iframe{width:100%;height:calc(100vh - 180px);border:1px solid #e8e8e8;border-radius:8px}
.compare-result .close-btn{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.6);color:#fff;border:none;border-radius:50%;width:28px;height:28px;cursor:pointer;font-size:16px;line-height:1;z-index:10}
.result-notification{padding:8px 14px;background:#f6ffed;border:1px solid #b7eb8f;border-radius:6px;font-size:13px;margin-bottom:16px;display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.corner-msg{position:fixed;bottom:16px;right:16px;background:#1e293b;color:#fff;padding:8px 16px;border-radius:8px;font-size:12px;opacity:.85}