:root{--primary-color: #1890ff;--success-color: #52c41a;--warning-color: #faad14;--danger-color: #ff4d4f;--header-bg: #2c3e50;--header-text: #ffffff;--bg-color: #f5f7fa;--border-color: #e8e8e8;--text-color: #333333;--text-secondary: #666666;--table-header-bg: #fafafa}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text-color);background-color:var(--bg-color);font-size:14px}#app{min-height:100vh}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--header-bg);color:var(--header-text);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 8px #0000001a}.header h1{margin:0;font-size:20px;font-weight:600}.nav{background:#fff;border-bottom:1px solid var(--border-color);padding:0 24px;display:flex;gap:4px;overflow-x:auto}.nav-item{padding:14px 16px;cursor:pointer;border-bottom:2px solid transparent;color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:all .2s}.nav-item:hover{color:var(--primary-color)}.nav-item.active{color:var(--primary-color);border-bottom-color:var(--primary-color);font-weight:500}.content{flex:1;padding:24px;max-width:100%;overflow-x:auto}.card{background:#fff;border-radius:4px;box-shadow:0 1px 4px #00000014;margin-bottom:16px;overflow:hidden}.card-header{padding:12px 16px;background:var(--table-header-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.card-title{font-size:16px;font-weight:600;margin:0}.card-body{padding:16px}.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.toolbar label{display:flex;align-items:center;gap:4px;color:var(--text-secondary)}.input,.select{padding:6px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:14px;outline:none;transition:border-color .2s;background:#fff}.input:focus,.select:focus{border-color:var(--primary-color)}.btn{padding:6px 16px;border:1px solid var(--border-color);background:#fff;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}.btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.btn-primary{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.btn-primary:hover{background:#40a9ff;color:#fff}.btn-danger{background:var(--danger-color);border-color:var(--danger-color);color:#fff}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{padding:8px 12px;border:1px solid var(--border-color);text-align:center;white-space:nowrap}.table th{background:var(--table-header-bg);font-weight:600;color:var(--text-secondary)}.table tr:hover td{background:#fafafa}.text-right{text-align:right!important}.text-left{text-align:left!important}.field-help{margin:16px 0;border:1px solid var(--border-color);border-radius:4px;background:#fff}.field-help>summary{padding:8px 12px;cursor:pointer;font-size:14px;font-weight:600;color:var(--text-secondary)}.field-help[open]>summary{border-bottom:1px solid var(--border-color);color:var(--primary-color)}.text-warning{color:var(--warning-color);font-weight:600}.text-danger{color:var(--danger-color);font-weight:600}.text-success{color:var(--success-color);font-weight:600}.text-secondary{color:var(--text-secondary)}.summary-table th{background:#ffe58f;color:#874d00;font-size:14px}.summary-table .chain-col{background:#d9f7be}.summary-table .offline-col{background:#fff1b8}.summary-table .o2o-col{background:#b5e3ff}.summary-table .chain-total{background:#95de64;font-weight:700}.summary-table .total-cell{background:#ffd666;font-weight:700}.empty{padding:40px;text-align:center;color:var(--text-secondary)}.export-note{margin-top:12px;text-align:left;color:var(--text-secondary);font-size:12px;line-height:1.7}.loading{padding:40px;text-align:center;color:var(--primary-color)}.section-title{font-size:18px;font-weight:600;margin:16px 0;padding:8px 12px;background:linear-gradient(to right,#e6f7ff,transparent);border-left:4px solid var(--primary-color)}.export-image-btn{display:inline-flex;align-items:center;gap:8px}.btn-sm{padding:3px 10px;font-size:12px}.section-title.is-actionable{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.ranking{background:var(--success-color);color:#fff;padding:2px 8px;border-radius:12px;font-size:12px}.row-highlight-green td{background:#f6ffed!important}.row-highlight-yellow td{background:#fffbe6!important}.row-highlight-red td{background:#fff1f0!important}@media (max-width: 768px){.header{padding:12px 16px}.content{padding:12px}}