:root{--primary-color: #1890ff;--primary-hover: #096dd9;--primary-active: #0050b3;--primary-light: #e6f7ff;--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eeeeee;--gray-300: #e0e0e0;--gray-400: #bdbdbd;--gray-500: #9e9e9e;--gray-600: #757575;--gray-700: #616161;--gray-800: #424242;--gray-900: #212121;--bg-color: #f5f7fa;--card-bg: #ffffff;--text-primary: #212121;--text-secondary: #616161;--text-muted: #9e9e9e;--border-color: #e8e8e8;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--transition-fast: .15s ease;--transition-normal: .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Inter,PingFang SC,Helvetica Neue,Arial,sans-serif;font-size:14px;color:var(--text-primary);background-color:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:16px}.main-sider .ant-menu-item{margin:4px 8px;border-radius:var(--radius-md);transition:all var(--transition-normal);font-weight:500;color:var(--text-primary);height:40px;line-height:40px;display:flex;align-items:center;width:calc(100% - 16px)!important}.main-sider .ant-menu-item:hover,.main-sider .ant-menu-submenu-title:hover{background:var(--gray-100);color:var(--text-primary)}.main-sider .ant-menu-item-selected{background:var(--primary-color)!important;color:#fff!important;font-weight:600}.main-sider .ant-menu-item-selected:after{display:none}.main-sider .ant-menu-item .anticon{font-weight:400;vertical-align:middle}.main-sider .ant-menu-item .ant-menu-title-content{line-height:40px}.main-sider .ant-menu-sub.ant-menu-inline .ant-menu-item{color:var(--gray-600)}.main-sider .ant-menu-submenu-title{margin:4px 8px;border-radius:var(--radius-md);height:40px;line-height:40px;display:flex;align-items:center;width:calc(100% - 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