/* 基础 */
html { scroll-behavior: smooth; }
body { font-family: "Source Han Sans SC", "Noto Sans SC", "思源黑体", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }

/* Banner 轮播过渡 */
.banner-slide { transition: opacity 0.7s ease-in-out; }

/* 下载卡片文字截断 */
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 后台表格 */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { background: #f9fafb; padding: 12px 16px; text-align: left; font-weight: 600; font-size: 0.875rem; color: #374151; border-bottom: 2px solid #e5e7eb; }
.admin-table td { padding: 12px 16px; border-bottom: 1px solid #f3f4f6; font-size: 0.875rem; }
.admin-table tr:hover td { background: #f9fafb; }

/* 后台表单元素 */
.admin-input { width: 100%; padding: 8px 12px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.875rem; outline: none; transition: border-color 0.2s; }
.admin-input:focus { border-color: #B22222; box-shadow: 0 0 0 2px rgba(178, 34, 34, 0.1); }
.admin-select { width: 100%; padding: 8px 12px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.875rem; background: white; outline: none; }
.admin-select:focus { border-color: #B22222; box-shadow: 0 0 0 2px rgba(178, 34, 34, 0.1); }
.admin-btn { padding: 8px 20px; border-radius: 6px; font-size: 0.875rem; font-weight: 500; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; }
.admin-btn-primary { background: #B22222; color: white; }
.admin-btn-primary:hover { background: #8B0000; }
.admin-btn-danger { background: #ef4444; color: white; }
.admin-btn-danger:hover { background: #dc2626; }
.admin-btn-secondary { background: #e5e7eb; color: #374151; }
.admin-btn-secondary:hover { background: #d1d5db; }

/* 后台标签/徽章 */
.admin-badge { display: inline-block; padding: 2px 8px; border-radius: 9999px; font-size: 0.75rem; font-weight: 500; }
.admin-badge-green { background: #dcfce7; color: #166534; }
.admin-badge-gray { background: #f3f4f6; color: #6b7280; }
.admin-badge-red { background: #fee2e2; color: #991b1b; }
.admin-badge-blue { background: #dbeafe; color: #1e40af; }

/* 后台编辑表单布局 */
.admin-form-group { margin-bottom: 16px; }
.admin-form-label { display: block; font-size: 0.875rem; font-weight: 500; color: #374151; margin-bottom: 4px; }