/* ================================
   恒星锰业企业网站 - 新闻列表样式表
   ================================ */
   
      /* 新闻列表页专用样式 */
        .news-list-page {
            margin-top: 70px;
        }

        .news-list-container {
            display: flex;
            gap: 30px;
            padding: 50px 0;
        }

        .news-list-main {
            flex: 1;
        }

        .news-list-sidebar {
            width: 280px;
            flex-shrink: 0;
        }

        /* 侧边栏分类 */
        .sidebar-section {
            background: var(--bg-white);
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 25px;
            overflow: hidden;
        }

        .sidebar-title {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 18px 25px;
            font-size: 18px;
            font-weight: 600;
        }

        .category-list {
            list-style: none;
        }

        .category-list li a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 25px;
            color: var(--text-color);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .category-list li a:hover,
        .category-list li a.active {
            background: var(--bg-light);
            color: var(--secondary-color);
            border-left: 4px solid var(--secondary-color);
        }

        .category-list li:last-child a {
            border-bottom: none;
        }

        .category-count {
            background: var(--bg-light);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 13px;
            color: var(--text-light);
        }

        /* 热门新闻 */
        .hot-news-list {
            padding: 15px 0;
        }

        .hot-news-item {
            padding: 12px 25px;
            border-bottom: 1px dashed var(--border-color);
            transition: var(--transition);
        }

        .hot-news-item:hover {
            background: var(--bg-light);
        }

        .hot-news-item:last-child {
            border-bottom: none;
        }

        .hot-news-item a {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-color);
        }

        .hot-news-item a:hover {
            color: var(--secondary-color);
        }

        .hot-news-item .date {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 5px;
        }

        /* 新闻筛选 */
        .news-filter {
            background: var(--bg-white);
            padding: 25px 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .filter-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 8px 20px;
            border: 2px solid var(--border-color);
            background: transparent;
            color: var(--text-color);
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            transition: var(--transition);
        }

        .filter-btn:hover,
        .filter-btn.active {
            border-color: var(--secondary-color);
            background: var(--secondary-color);
            color: white;
        }

        .search-box {
            display: flex;
            gap: 10px;
        }

        .search-box input {
            padding: 8px 15px;
            border: 2px solid var(--border-color);
            border-radius: 20px;
            font-size: 14px;
            width: 200px;
            transition: var(--transition);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--secondary-color);
        }

        .search-box button {
            padding: 8px 20px;
            background: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 20px;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--primary-color);
        }

        /* 新闻列表 */
        .news-items {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            display: flex;
            gap: 25px;
            background: var(--bg-white);
            padding: 25px 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(5px);
        }

        .news-card-date {
            flex-shrink: 0;
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .news-card-date .day {
            font-size: 36px;
            font-weight: bold;
            line-height: 1;
        }

        .news-card-date .month-year {
            font-size: 13px;
            opacity: 0.9;
            margin-top: 3px;
        }

        .news-card-content {
            flex: 1;
            min-width: 0;
        }

        .news-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg-light);
            color: var(--secondary-color);
            border-radius: 12px;
            font-size: 12px;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .news-card-tag.company { background: #e3f2fd; color: #1976d2; }
        .news-card-tag.industry { background: #e8f5e9; color: #388e3c; }
        .news-card-tag.notice { background: #fff3e0; color: #f57c00; }

        .news-card-title {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 12px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-summary {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: var(--text-light);
        }

        .news-card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .read-more-btn {
            align-self: center;
            padding: 10px 20px;
            background: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .read-more-btn:hover {
            background: var(--primary-color);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-color);
            font-weight: 500;
            transition: var(--transition);
        }

        .pagination a:hover,
        .pagination a.active {
            border-color: var(--secondary-color);
            background: var(--secondary-color);
            color: white;
        }

        .pagination .prev,
        .pagination .next {
            width: auto;
            padding: 0 15px;
        }

        .pagination .current {
            border-color: var(--secondary-color);
            background: var(--secondary-color);
            color: white;
        }

        .pagination .dots {
            border: none;
            width: auto;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .news-list-container {
                flex-direction: column;
            }

            .news-list-sidebar {
                width: 100%;
            }

            .sidebar-section {
                display: inline-block;
                width: calc(50% - 15px);
                vertical-align: top;
            }
        }

        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
            }

            .news-card-date {
                width: 100%;
                height: 60px;
                flex-direction: row;
                gap: 10px;
            }

            .news-card-date .day {
                font-size: 28px;
            }

            .search-box {
                width: 100%;
            }

            .search-box input {
                flex: 1;
            }

            .sidebar-section {
                width: 100%;
            }
        }