/* 资讯动态页面专用样式 */

/* CSS变量定义 */
:root {
    --primary-red: #d32f2f;
    --light-red: rgba(211, 47, 47, 0.1);
    --primary-white: #ffffff;
    --dark-gray: #333333;
    --medium-gray: #666666;
}

/* 页面容器 */
.news-container {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* 分类筛选 */
.category-filter {
    background: var(--primary-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.filter-container {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.8rem;
    background: var(--primary-white);
    border: 2px solid #eee;
    border-radius: 30px;
    color: var(--medium-gray);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.filter-btn:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--primary-white);
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.2);
}

.filter-btn.active:hover {
    transform: none;
}

.news-stats {
    color: var(--medium-gray);
    font-size: 1rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-item i {
    color: var(--primary-red);
}

/* 推荐阅读区域 */
.recommended-section {
    background: var(--primary-white);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.section-subtitle {
    color: var(--dark-gray);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--light-red);
}

.section-subtitle i {
    color: var(--primary-red);
}

.recommended-news {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.recommended-item {
    background: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    cursor: pointer;
}

.recommended-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--light-red);
}

.recommended-image {
    width: 100%;
    height: 218px;
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
}

.recommended-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block; /* 确保图片显示为块级元素 */
}

.recommended-item:hover .recommended-image img {
    transform: scale(1.05);
}

.recommended-content {
    padding: 1.5rem;
}

.recommended-content h4 {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.recommended-item:hover .recommended-content h4 {
    color: var(--primary-red);
}

.recommended-excerpt {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.recommended-date {
    color: #999;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recommended-date::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--primary-red);
    border-radius: 50%;
}

/* 资讯列表 - 左右布局 */
.news-list {
    margin-bottom: 2rem;
}

.loading-news {
    text-align: center;
    padding: 3rem;
    color: var(--medium-gray);
}

.loading-spinner {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.news-item {
    background: var(--primary-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    align-items: stretch;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(211, 47, 47, 0.1);
    border-color: var(--light-red);
}

.news-image-container {
    flex: 0 0 290px;
    position: relative;
    background: #f5f5f5;
}

.news-image {
    width: 100%;
    height: 218px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block; /* 确保图片显示为块级元素 */
}

.news-item:hover .news-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-red);
    color: var(--primary-white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.news-category.company {
    background: var(--primary-red);
}

.news-category.industry {
    background: #4CAF50;
}

.news-content {
    flex: 1;
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-title {
    color: var(--dark-gray);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    cursor: pointer;
    transition: color 0.3s ease;
}

.news-title:hover {
    color: var(--primary-red);
}

.news-excerpt {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid #f0f0f0;
}

.news-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--medium-gray);
    font-size: 0.95rem;
}

.news-date i {
    color: var(--primary-red);
}

.read-more {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1rem;
}

.read-more:hover {
    gap: 0.8rem;
}

/* 加载更多 */
.load-more-container {
    text-align: center;
    margin: 2rem 0 4rem;
}

.load-more-btn {
    padding: 1rem 2.5rem;
    background: var(--primary-white);
    border: 2px solid var(--primary-red);
    border-radius: 30px;
    color: var(--primary-red);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 5px 15px rgba(211, 47, 47, 0.1);
}

.load-more-btn:hover {
    background: var(--primary-red);
    color: var(--primary-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(211, 47, 47, 0.2);
}

.load-more-btn:active {
    transform: translateY(-1px);
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--medium-gray);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ddd;
}

/* 调试：确保图片容器显示 */
.recommended-image, .news-image-container {
    background-color: #f5f5f5;
    min-height: 218px;
}

/* 图片加载时的占位符样式 */
.recommended-image img[src*="data:image/svg+xml"],
.news-image img[src*="data:image/svg+xml"] {
    background-color: #e0e0e0;
    border: 1px solid #ddd;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .news-container {
        padding: 0 1.5rem;
    }

    .recommended-news {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .category-filter {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }

    /* 移动端改为上下布局 */
    .news-item {
        flex-direction: column;
    }

    .news-image-container {
        flex: 0 0 auto;
        width: 100%;
    }

    .news-image {
        height: 200px;
    }

    .news-content {
        padding: 1.5rem;
    }

    .news-title {
        font-size: 1.3rem;
    }

    .recommended-news {
        grid-template-columns: 1fr;
    }

    .recommended-image {
        height: 200px;
    }

    .load-more-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .news-container {
        padding: 0 1rem;
    }

    .filter-container {
        width: 100%;
    }

    .filter-btn {
        flex: 1;
        justify-content: center;
        padding: 0.8rem 1rem;
    }

    .news-image {
        height: 180px;
    }

    .news-title {
        font-size: 1.2rem;
    }

    .recommended-image {
        height: 180px;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }
}

/* 模态框动画 */
.news-modal {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}