/* 双栏布局 */
.dual-news-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 15px;
}

/* 左侧新闻 */
.news-thumbnail-wrapper {
    position: relative;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 25px;
}

.news-thumbnail-wrapper img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.news-thumbnail-wrapper img.active {
    opacity: 1;
}

.news-title-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.news-item {
    padding: 18px;
    border: 1px solid #eee;
    border-radius: 6px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.news-item.active,
.news-item:hover {
    border-color: #007bff;
    background: #f8fbff;
}

.news-title {
    margin: 0 0 10px 0;
    font-size: 1.15rem;
}

.news-title a {
    color: #2a2a2a;
    text-decoration: none;
}

.news-title a:hover {
    color: #0056b3;
}

.news-excerpt {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.news-item.active .news-excerpt {
    max-height: 100px;
}

/* 右侧信息 */
.info-articles {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.info-item:hover {
    transform: translateY(-3px);
}

.info-thumb img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-excerpt {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 10px 0;
    flex-grow: 1;
}

.info-more-link {
    align-self: flex-start;
    color: #007bff;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 12px;
    border: 1px solid rgba(0,123,255,0.3);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.info-more-link:hover {
    background: #007bff;
    color: white;
}

/* 响应式 */
@media (max-width: 992px) {
    .dual-news-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .news-thumbnail-wrapper {
        height: 300px;
    }
    
    .info-item {
        grid-template-columns: 1fr;
    }
    
    .info-thumb img {
        height: 150px;
    }
    
    .news-excerpt {
        max-height: none !important;
        overflow: visible;
    }
}