 /* ========== 资讯页双栏布局 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin-top: 20px;
        }
        /* 左侧列表区 - 一行一个卡片（水平样式） */
        .news-list-area .news-grid {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .news-list-area .news-item {
            display: flex;
            gap: 25px;
            background: var(--white-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .news-list-area .news-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--box-shadow);
        }
        .news-list-area .news-image {
            flex-shrink: 0;
            width: 260px;
            height: 180px;
            position: relative;
            overflow: hidden;
        }
        .news-list-area .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .news-list-area .news-item:hover .news-image img {
            transform: scale(1.05);
        }
        .news-list-area .news-date {
            position: absolute;
            top: 12px;
            right: 12px;
            background-color: var(--primary-color);
            color: #fff;
            text-align: center;
            width: 50px;
            padding: 5px;
            border-radius: 6px;
            font-size: 12px;
            z-index: 2;
        }
        .news-list-area .news-content {
            flex: 1;
            padding: 20px 20px 20px 0;
            background: transparent;
        }
        .news-list-area .news-content h3 {
            font-size: 20px;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-list-area .news-content p {
            color: var(--gray-color);
            margin-bottom: 15px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: #888;
        }
        /* 右侧边栏公用 */
        .news-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            background: var(--white-color);
            border-radius: 16px;
            padding: 24px 20px;
            margin-bottom: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            border: 1px solid #f0f0f0;
        }
        .widget-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--primary-color);
            position: relative;
            padding-bottom: 12px;
        }
        .widget-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary-color);
            border-radius: 3px;
        }
        /* 热门文章列表 */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hot-item {
            display: flex;
            gap: 12px;
            align-items: center;
            border-bottom: 1px dashed #eee;
            padding-bottom: 12px;
        }
        .hot-number {
            width: 28px;
            height: 28px;
            background: rgba(42,92,170,0.1);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary-color);
            font-size: 14px;
        }
        .hot-info {
            flex: 1;
        }
        .hot-info a {
            font-size: 15px;
            font-weight: 500;
            line-height: 1.4;
            transition: color 0.2s;
        }
        .hot-info a:hover {
            color: var(--primary-color);
        }
        .hot-views {
            font-size: 12px;
            color: #999;
            margin-top: 4px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            background: #f5f7fa;
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 13px;
            color: #2c3e50;
            transition: all 0.2s;
        }
        .tag-cloud a:hover {
            background: var(--primary-color);
            color: #fff;
            transform: translateY(-2px);
        }

       
        /* 分页样式微调 */
        .news-more {
            margin-top: 40px;
            text-align: center;
        }
        .section-header p {
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .course-categories .category-tab a {
            color: inherit;
            display: inline-block;
            width: 100%;
        }
        .category-tab.active a {
            color: inherit;
        }