:root{--breakpoint-xs: 0;--breakpoint-sm: 576px;--breakpoint-md: 768px;--breakpoint-lg: 992px;--breakpoint-xl: 1200px;--breakpoint-xxl: 1600px}:root{--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 48px}:root{--container-max-width: 1600px;--container-padding-xs: 12px;--container-padding-sm: 16px;--container-padding-md: 24px}:root{--color-primary: #1890ff;--color-primary-hover: #40a9ff;--color-success: #52c41a;--color-warning: #faad14;--color-danger: #f5222d;--color-info: #1890ff;--color-text-primary: #1f1f1f;--color-text-secondary: #666666;--color-text-placeholder: #bfbfbf;--color-text-disabled: #d9d9d9;--color-border: #d9d9d9;--color-border-light: #f0f0f0;--color-bg-page: #f5f5f5;--color-bg-card: #ffffff;--color-bg-hover: #fafafa;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page-container{padding:var(--container-padding-xs);max-width:100%;margin:0 auto;box-sizing:border-box}@media (min-width: var(--breakpoint-sm)){.page-container{padding:var(--container-padding-sm)}}@media (min-width: var(--breakpoint-md)){.page-container{padding:var(--container-padding-md);max-width:var(--container-max-width)}}.content-wrapper{max-width:var(--container-max-width);margin:0 auto;width:100%;padding:var(--spacing-md)}.card-item{margin-bottom:var(--spacing-md)}@media (min-width: var(--breakpoint-md)){.card-item{margin-bottom:var(--spacing-lg)}}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-ellipsis-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-wrap{display:flex;flex-wrap:wrap}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}em.highlight{color:#ff4d4f;font-style:normal;font-weight:700;background-color:#fff2f0;padding:0 2px;border-radius:2px}.category-tag-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin:var(--spacing-lg) 0}.category-tag-item{background:#f0f2f5;padding:5px 15px;border-radius:20px;font-size:14px;cursor:pointer;transition:all .3s ease}.category-tag-item:hover{background:#e6f7ff;color:#1890ff}.category-tag-item.active{background:#1890ff;color:#fff}