/* 两列等宽内容布局 */
.two-column-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-column {
    display: flex;
    flex-direction: column;
}

/* 栏目轮播图样式 */
.category-slider {
    position: relative;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    height: 320px;
}

.category-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.category-slider .slide.active {
    opacity: 1;
    z-index: 1;
}

.category-slider .slide-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
    position: relative;
}

.category-slider .slide-image {
    height: 100%;
    overflow: hidden;
}

.category-slider .slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-slider .slide-link:hover .slide-image img {
    transform: scale(1.05);
}

.category-slider .slide-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #2b3079;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 3;
}

.category-slider .slide-title a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.category-slider .slide-title a:hover {
    color: #f0f0f0;
}

/* 轮播控制按钮 */
.category-slider .slider-prev,
.category-slider .slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    z-index: 10;
}

.category-slider .slider-prev {
    left: 15px;
}

.category-slider .slider-next {
    right: 15px;
}

.category-slider .slider-prev:hover,
.category-slider .slider-next:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* 轮播指示器 */
.category-slider .slider-indicators {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.category-slider .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.category-slider .indicator.active {
    background: white;
}

/* 资讯头条样式 */
.headline-ticker-section {
    padding: 0px 15px ;
    overflow: hidden;
    height: 320px;
    display: flex;
    flex-direction: column;
}

.headline-ticker-list {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.ticker-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ticker-content {
    animation: ticker-scroll 30s linear infinite;
    display: flex;
    flex-direction: column;
}

.ticker-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: #212529;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.3s ease;
    min-height: 40px;
}

.ticker-item:hover {
    background-color: #f8f9fa;
}

.ticker-title {
    flex: 1;
    font-size: 14px;
    line-height: 1.4;
    margin-right: 15px;
    overflow: hidden;
    position: relative;
    padding-left: 15px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.ticker-title::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #2b3079;
    font-size: 16px;
    font-weight: bold;
}

.ticker-date {
    font-size: 12px;
    color: #6c757d;
    white-space: nowrap;
    flex-shrink: 0;
}

.ticker-date {
    font-size: 12px;
    color: #6c757d;
    white-space: nowrap;
    flex-shrink: 0;
}

.ticker-date {
    font-size: 12px;
    color: #6c757d;
    white-space: nowrap;
    flex-shrink: 0;
}

.interview-item {
    padding: 7px 12px 7.35px 20px;
}

@keyframes ticker-scroll {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

/* 栏目导航菜单样式 */
.category-nav-section {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 12px;
}

.primary-category {
    background: #2b3079;
    padding: 15px 20px;
    text-align: center;
}

.category-name {
    color: white;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.secondary-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 10px;
}

.category-column {
    padding: 15px 15px;
}

.category-column:first-child {
    border-right: 1px solid #f7f7f7;
}

.category-link {
    display: block;
    padding: 8px 0;
    margin: 5px;
    color: #212529;
    text-decoration: none;
    font-size: 16px;
    text-align: center;
    transition: color 0.3s ease;
}


/* 移动端栏目导航菜单样式 */
.mobile-category-nav {
    display: none;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 10px;
    overflow: hidden;
}

.mobile-category-nav-container {
    padding: 15px 5px;
}

.mobile-category-header {
    background: #2b3079;
    padding: 12px 15px;
    text-align: center;
    margin-bottom: 15px;
    border-radius: 4px;
}

.mobile-category-title {
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.mobile-category-link {
    display: block;
    padding: 10px 15px;
    background: #f8f9fa;
    color: #212529;
    text-decoration: none;
    text-align: center;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.mobile-category-link:hover {
    background: #2b3079;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 48, 121, 0.2);
}

/* PC端显示控制 */
.pc-only {
    display: block;
}

.wap-only {
    display: none;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .two-column-feature {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pc-only {
        display: none !important;
    }
    
    .wap-only {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .category-slider {
        height: 260px;
    }
    
    .category-slider .slider-prev,
    .category-slider .slider-next {
        width: 35px;
        height: 35px;
    }
    
    .category-slider .slide-title {
        padding: 12px 15px;
    }
    
    .category-slider .slide-title a {
        font-size: 14px;
    }
    

    .ticker-content {
        padding: 0px !important;
    }
    
    .ticker-title {
        font-size: 13px;
    }
    
    .ticker-date {
        font-size: 11px;
    }
    
    .secondary-categories {
        grid-template-columns: 1fr;
    }
    
    .category-column:first-child {
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .category-column {
        padding: 12px 15px;
    }
    
    .primary-category {
        padding: 12px 15px;
    }
    
    .category-name {
        font-size: 16px;
    }
    
    .mobile-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mobile-category-link {
        padding: 6px 10px;
        font-size: 15px;
    }
}

/* 面包屑导航样式 */
.breadcrumb-section {
    padding: 10px 0 5px 20px;
    margin-bottom: 10px;
}

.breadcrumb-nav {
    font-size: 14px;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: ">";
    margin-left: 8px;
    color: #6c757d;
}

.breadcrumb-item a {
    color: #2b3079;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: #1a1f5c;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #6c757d;
}

/* 移动端面包屑导航适配 */
@media (max-width: 768px) {
    .breadcrumb-section {
        padding: 10px 0 0 10px;
    }
    
    .breadcrumb-nav {
        font-size: 13px;
    }
    
    .breadcrumb-list {
        gap: 6px;
    }
    
    .breadcrumb-item:not(:last-child)::after {
        margin-left: 6px;
    }
    
    /* 移动端隐藏active面包屑项 */
    .breadcrumb-item.active {
        display: none;
    }
}

/* 分页条样式 */
.pagination-section {
    padding: 25px 0;
}

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pagination-prev,
.pagination-next {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f8f9fa;
    color: #495057;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #dee2e6;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination-prev:hover,
.pagination-next:hover {
    background: #2b3079;
    color: white;
    border-color: #2b3079;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(43, 48, 121, 0.3);
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 5px;
}

.page-num {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 8px;
    background: #f8f9fa;
    color: #495057;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #dee2e6;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.page-num:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.page-num.page-num-current {
    background: #2b3079;
    color: white;
    border-color: #2b3079;
    box-shadow: 0 2px 4px rgba(43, 48, 121, 0.2);
}

.pagination-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    color: #6c757d;
    font-size: 14px;
}

/* 移动端分页适配 */
@media (max-width: 768px) {
    .pagination-section {
        padding: 10px 0;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        padding: 0 10px;
    }
    
    .pagination-prev,
    .pagination-next {
        padding: 8px 16px;
        font-size: 14px;
        gap: 6px;
        min-width: 80px;
        justify-content: center;
        order: 1;
    }
    
    .pagination-pages {
        order: 2;
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
        width: 100%;
        margin: 8px 0;
    }
    
    .page-num {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
        padding: 0 4px;
    }
    
    .pagination-ellipsis {
        min-width: 32px;
        height: 32px;
        font-size: 13px;
    }
    
    /* 在更小的屏幕上进一步优化 */
    @media (max-width: 480px) {
        .pagination {
            gap: 6px;
            padding: 0 8px;
        }
        
        .pagination-prev,
        .pagination-next {
            padding: 6px 12px;
            font-size: 13px;
            min-width: 70px;
            gap: 4px;
        }
        
        .pagination-pages {
            gap: 3px;
            margin: 6px 0;
        }
        
        .page-num {
            min-width: 28px;
            height: 28px;
            font-size: 12px;
        }
        
        .pagination-ellipsis {
            min-width: 28px;
            height: 28px;
            font-size: 12px;
        }
    }
    
    /* news_list.html中news-section的移动端样式 */
    .news-section {
        padding: 8px;
        box-shadow: 0 0px 0px rgba(0, 0, 0, 0.1);
    }
    .news-item-link {
    margin: 0px;
}
}

/* 文章详情页样式 */
.article-title-section {
    border-radius: 8px;
    padding: 20px 20px 10px;
}

.article-title {
    font-size: 28px;
    font-weight: 700;
    color: #212529;
    line-height: 1.4;
    margin-bottom: 20px;
    text-align: center;
}

.article-info-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 0;
    border-top: 1px solid #f0f0f0;
}

.info-center {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #6c757d;
    font-size: 14px;
}

.info-item i {
    color: #999;
    font-size: 12px;
}

.info-separator {
    color: #dee2e6;
    font-size: 14px;
}

.share-label {
    color: #6c757d;
    font-size: 14px;
}

.info-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.share-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-icons-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-label {
    color: #6c757d;
    font-size: 14px;
}

.share-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f8f9fa;
    color: #6c757d;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-icon:hover {
    background: #2b3079;
    color: white;
    transform: translateY(-2px);
}

.share-icon.wechat:hover {
    background: #07c160;
}

.share-icon.weibo:hover {
    background: #e6162d;
}

.share-icon.qq:hover {
    background: #12b7f5;
}

.article-spot-section {
    margin-bottom: 10px;
}

.article-spot-section .spot-content {
    border-radius: 8px;
    overflow: hidden;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.article-spot-section .spot-content:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.article-spot-section .spot-content img {
    transition: transform 0.3s ease;
}

.article-spot-section .spot-content:hover img {
    transform: scale(1.02);
}

.article-content-section {
    padding: 10px 25px;
}

.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

/* 文章内容图片样式 */
.article-content img {
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0px auto;
    border-radius: 5px;
}

/* 文章内容链接样式 */
.article-content a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

.article-content a:hover {
    color: #2b3079;
    border-bottom-color: #1a1f5c;
    background-color: rgba(43, 48, 121, 0.05);
    border-radius: 3px;
}

.article-content h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.article-content p {
    margin-bottom: 20px;
    text-align: justify;
}

.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-content li {
    margin-bottom: 10px;
    line-height: 1.6;
}

/* 延伸阅读区域 */
.extended-reading-section {
    margin-bottom: 15px;
}

.extended-reading-title {
    font-size: 18px;
    font-weight: 700;
    color: #2b3079;
    margin-bottom: 5px;
    padding-bottom: 5px;
    border-bottom: 2px solid #2b3079;
}

.extended-reading-list {
    display: flex;
    flex-direction: column;
}

.extended-reading-item {
    display: block;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 4px;
}

.extended-reading-item:hover {
    background: #f8f9fa;
    padding-left: 15px;
}

.reading-title {
    font-size: 16px;
    font-weight: 600;
    color: #2a4164;
    transition: color 0.3s ease;
    padding-left: 15px;
    position: relative;
}

.reading-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #2b3079;
    border-radius: 50%;
}

.extended-reading-item:hover .reading-title {
    color: #2b3079;
}

.reading-desc {
    font-size: 14px;
    color: #6c757d;
    padding-left: 15px;
    font-style: italic;
}

.article-tags-section {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-top: 1px solid #f0f0f0;
}

.tags-label {
    font-weight: 600;
    color: #6c757d;
    margin-right: 15px;
    white-space: nowrap;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-item {
    display: inline-block;
    padding: 6px 15px;
    background: #f8f9fa;
    color: #495057;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.tag-item:hover {
    background: #2b3079;
    color: white;
    border-color: #2b3079;
}

.related-articles-section {
    background: #fff;
    border-radius: 8px;
    padding: 25px 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.related-articles-section .section-header {
    margin-bottom: 20px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    color: #2b3079;
    margin: 0;
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.related-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 6px;
    text-decoration: none;
    color: #495057;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.related-item:hover {
    background: #2b3079;
    color: white;
    transform: translateX(5px);
    border-color: #2b3079;
}

.related-title {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
}

.related-date {
    font-size: 13px;
    color: inherit;
    opacity: 0.8;
}

/* 移动端文章详情页适配 */
@media (max-width: 768px) {
    .article-title-section {
        padding: 10px;
    }
    
    .article-title {
        font-size: 22px;
        margin-bottom: 15px;
    }
    
    .article-info-bar {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .info-center {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        align-items: stretch;
    }
    
    .info-group {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 15px;
    }
    
    .info-item {
        display: flex;
        align-items: center;
        gap: 5px;
        color: #6c757d;
        font-size: 13px;
        white-space: nowrap;
    }
    
    .info-item i {
        display: none;
    }
    
    .info-item:last-child i {
        display: inline-flex;
    }
    
    .share-group {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .share-label {
        font-size: 13px;
        color: #495057;
        font-weight: 500;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .share-icons-group {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .share-icon {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
    
    .article-content-section {
        padding: 10px;
    }
    
    .article-content {
        font-size: 15px;
    }
    
    .article-content h2 {
        font-size: 19px;
        margin: 20px 0 12px;
    }
    
    /* 移动端文章内容图片样式 */
    .article-content img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto;
        margin: 15px 0;
        border-radius: 6px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    
    .article-tags-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .tags-list {
        width: 100%;
    }
    
    .tag-item {
        font-size: 13px;
        padding: 5px 12px;
    }
    
    .related-articles-section {
        padding: 20px 15px;
    }
    
    .related-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .related-date {
        align-self: flex-end;
    }
    
    /* 移动端标签云样式 */
    .tag-cloud {
        gap: 8px;
    }
    
    .tag-item {
        font-size: 13px;
        padding: 5px 12px;
    }
}

/* 标签云样式 */
.tag-cloud { display: flex;flex-wrap: wrap;border-radius: 3px; overflow: hidden;gap: 5px; padding: 15px 0;}
.tag-cloud ul { overflow: hidden; position: relative; margin: 0;}
.tag-cloud a { display: inline-block; float: left; line-height: 30px; text-align: center; position: relative; color: #2c3e50; margin: 4px 5px; padding: 0 7px; border-radius: 4px; transition: .2s;border: 0px solid #dee2e6;}
.tag-cloud a:nth-child(8n-7) { background: #def6ff }
.tag-cloud a:nth-child(8n-6) { background: #f2fbf2 }
.tag-cloud a:nth-child(8n-5) { background: #f8f3fe }
.tag-cloud a:nth-child(8n-4) { background: #fff7f0 }
.tag-cloud a:nth-child(8n-3) { background: #fff3f3 }
.tag-cloud a:nth-child(8n-2) { background: #edf9fe }
.tag-cloud a:nth-child(8n-1) { background: #f1f3fd }
.tag-cloud a:nth-child(8n) { background: #def6ff }
.tag-cloud a:hover { background: #1bcedd; color: #fff }


.tag-item {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #495057;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tag-item:hover {
    background: linear-gradient(135deg, #2b3079 0%, #1a1f5c 100%);
    color: white;
    box-shadow: 0 4px 8px rgba(43, 48, 121, 0.3);
    transform: translateY(-2px);
}

/* 文章详情顶部三栏推荐位样式 */
.three-column-spot {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.spot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 0 auto;
}

.spot-item {
    display: flex;
    justify-content: center;
    align-items: center;
}

.spot-link {
    display: block;
    transition: transform 0.3s ease;
}

.spot-link:hover {
    transform: translateY(-2px);
}

.spot-image {
    width: 100%;
    height: auto;
    max-width: 410px;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.spot-link:hover .spot-image {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 移动端三栏推荐位适配 */
@media (max-width: 768px) {
    .three-column-spot {
        padding: 10px 0;
    }
    
    .spot-grid {
        grid-template-columns: 1fr;
        gap: 5px;
    }
    
    .ad-image {
        max-width: 100%;
        border-radius: 5px;
    }
}

/* 特此声明栏目样式 */
.declaration-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 10px 20px;
    margin: 15px 0;
    border-left: 4px solid #2b3079;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.declaration-title {
    font-size: 16px;
    font-weight: 600;
    color: #2b3079;
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #e9ecef;
}

.declaration-text {
    font-size: 14px;
    line-height: 1.6;
    color: #6c757d;
}

.declaration-text p {
    margin: 0 0 10px 0;
}

.declaration-text p:last-child {
    margin-bottom: 0;
}

/* 移动端特此声明适配 */
@media (max-width: 768px) {
    .declaration-section {
        padding: 15px 20px;
        border-left-width: 3px;
    }
    
    .declaration-title {
        font-size: 15px;
        margin-bottom: 10px;
    }
    
    .declaration-text {
        font-size: 13px;
        line-height: 1.5;
    }
}

/* 评论区域样式 */
.comment-section {
    border-radius: 8px;
    padding: 20px 25px;
    margin: 15px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid #e9ecef;
}

.comment-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.comment-title {
    font-size: 20px;
    font-weight: 600;
    color: #2b3079;
    margin: 0 0 8px 0;
}

.comment-notice {
    font-size: 13px;
    color: #6c757d;
    margin: 0;
    line-height: 1.4;
}

.comment-form {
    margin-bottom: 20px;
}

.comment-form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.comment-input-group {
    flex: 1;
}

.comment-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.comment-input:focus {
    outline: none;
    border-color: #2b3079;
    box-shadow: 0 0 0 2px rgba(43, 48, 121, 0.1);
}

.comment-textarea-group {
    margin-bottom: 15px;
}

.comment-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    font-size: 14px;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.3s ease;
}

.comment-textarea:focus {
    outline: none;
    border-color: #2b3079;
    box-shadow: 0 0 0 2px rgba(43, 48, 121, 0.1);
}

.comment-submit-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.captcha-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-input {
    width: 120px;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.captcha-input:focus {
    outline: none;
    border-color: #2b3079;
    box-shadow: 0 0 0 2px rgba(43, 48, 121, 0.1);
}

.captcha-image {
    border: 1px solid #ddd;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.captcha-image:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    transform: scale(1.02);
}

.captcha-refresh {
    padding: 8px 12px;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.captcha-refresh:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.comment-submit-btn {
    background: linear-gradient(135deg, #2b3079 0%, #1a1f5c 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.comment-submit-btn:hover {
    background: linear-gradient(135deg, #1a1f5c 0%, #2b3079 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(43, 48, 121, 0.3);
}

.comment-list {
    border-top: 1px solid #f0f0f0;
    padding-top: 20px;
}

.comment-item {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 10px;
}

.comment-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comment-author-name {
    font-weight: 600;
    color: #2b3079;
    font-size: 14px;
}

.comment-time {
    font-size: 12px;
    color: #6c757d;
}

.comment-content {
    font-size: 14px;
    line-height: 1.6;
    color: #495057;
}

/* 移动端评论区域适配 */
@media (max-width: 768px) {
    .comment-section {
        padding: 20px 15px;
        margin: 20px 0;
    }
    
    .comment-title {
        font-size: 18px;
    }
    
    .comment-form-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .comment-input,
    .comment-textarea {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .captcha-group {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .captcha-input {
        width: 100px;
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .captcha-image {
        height: 35px;
    }
    
    .captcha-refresh {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .comment-submit-btn {
        padding: 10px 25px;
        font-size: 13px;
    }
    
    .comment-item {
        padding: 12px;
    }
    
    .comment-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}
/* 文章摘要区域样式 */
.article-summary-section {
    margin-bottom: 20px;
}

.summary-content {
    background-color: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.summary-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    text-align: justify;
}

/* 视频播放区域样式 */
.video-player-section {
    margin-bottom: 30px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .summary-content {
        padding: 15px;
    }
    
    .summary-text {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .video-container {
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .summary-content {
        padding: 12px;
    }
    
    .summary-text {
        font-size: 13px;
        line-height: 1.5;
    }
}
/* 文章摘要区域样式 */
.article-summary-section {
    margin-bottom: 20px;
}

.summary-content {
    background-color: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.summary-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    text-align: justify;
}

/* 视频播放区域样式 */
.video-player-section {
    margin-bottom: 30px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* 分享功能样式 */
.share-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-label {
    font-size: 14px;
    color: #666;
}

.share-icons-group {
    display: flex;
    gap: 8px;
}

.share-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    position: relative;
}

.share-icon.wechat:hover {
    background-color: #07c160 !important;
    color: white !important;
    transform: scale(1.1);
}

.share-icon.weibo:hover {
    background-color: #e6162d !important;
    color: white !important;
    transform: scale(1.1);
}

.share-icon.qq:hover {
    background-color: #12b7f5 !important;
    color: white !important;
    transform: scale(1.1);
}

/* 微信二维码样式 */
.wechat-qrcode {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 15px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.wechat-qrcode::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
}

.wechat:hover .wechat-qrcode {
    opacity: 1;
    visibility: visible;
    margin-top: 15px;
}

.qrcode-content {
    text-align: center;
}

.qrcode-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 8px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #999;
}

.qrcode-content p {
    margin: 0;
    font-size: 12px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .summary-content {
        padding: 15px;
    }
    
    .summary-text {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .video-container {
        margin-bottom: 20px;
    }
    
    .share-group {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .wechat-qrcode {
        left: 0;
        transform: none;
        margin-left: 40px;
    }
    
    .wechat:hover .wechat-qrcode {
        margin-left: 45px;
    }
}

@media (max-width: 480px) {
    .summary-content {
        padding: 12px;
    }
    
    .summary-text {
        font-size: 13px;
        line-height: 1.5;
    }
    
    .share-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .qrcode-image {
        width: 100px;
        height: 100px;
    }
}

/* ========== 专题页面分类导航样式（独立样式，不影响其他页面） ========== */

.zt-category-nav {
    background: #f5f5f5;
    margin-bottom: 20px;
}

.zt-category-wrapper {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.zt-category-main {
    background: #2b3079;
    padding: 0;
    flex-shrink: 0;
}

.zt-home-link {
    display: block;
    padding: 15px 30px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: background 0.3s;
}

.zt-home-link:hover {
    background: #1e3a5f;
}

.zt-home-link.active {
    background: #2b3079;
}

.zt-category-list {
    display: flex;
    flex: 1;
    justify-content: flex-start;
    gap: 0;
}

.zt-category-item {
    display: block;
    padding: 15px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    border-left: 1px solid #4b519f;
    white-space: nowrap;
    flex: 1;
    background: #3b4190;
    text-align: center;
}

.zt-category-item:hover {
    background: #454ba0;
}

.zt-category-item.active {
    background: #5056b0;
    font-weight: bold;
}

/* ========== 专题页面两列布局样式（独立样式，不影响其他页面） ========== */

.zt-content-section {
    background: #f5f5f5;
}

.zt-two-column-articles {
    display: grid;
    /* grid-template-columns: 1fr 1fr;两列显示 */
    /* gap: 10px; */
}

.zt-article-column {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 20px;
}

.zt-article-section {
    padding: 20px;
}

.zt-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 2px solid #2b3079;
}

.zt-section-header-titles {
    flex: 1;
}

.zt-section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #2b3079;
}

.zt-section-header h3 {
    font-size: 14px;
    font-weight: 400;
    color: #666;
}

.zt-more-link {
    color: #2a4164;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 15px;
}

.zt-more-link:hover {
    color: #1e3a5f;
}

.zt-article-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.zt-article-item {
    display: block;
    color: #2a4164;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.zt-article-item::before {
    content: '•';
    position: absolute;
    left: 8px;
    top: 5px;
    color: #2b3079;
    font-weight: bold;
    font-size: 16px;
}

.zt-article-item:hover {
    color: #1e3a5f;
    border-left-color: #2b3079;
    background: #f8f9fa;
    text-decoration: none;
}

.zt-article-content {
    padding: 0px 10px 0px 20px;
}

.zt-article-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    transition: all 0.3s ease;
}

.zt-article-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 12px;
    font-size: 16px;
    transition: color 0.3s ease;
}

.zt-article-date {
    color: #999;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

.zt-article-desc {
    color: #999;
    font-size: 12px;
    padding-left: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.zt-article-desc-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-width: 0;
}

.zt-article-desc-wrapper .zt-article-desc {
    flex: 1;
    min-width: 0;
}

.zt-article-tag {
    color: #999;
    font-size: 12px;
    font-style: italic;
    flex-shrink: 0;
}
.zt-article-show {
    color: #bd8500;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ========== 专题页面活动/阶段专题样式（独立样式，不影响其他页面） ========== */

.zt-activity-section {
    margin-bottom: 20px;
    background: #f5f5f5;
}

.zt-activity-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    grid-template-rows: auto;
    gap: 20px;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 标题栏，占据整行 */
.zt-activity-header-row {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 2px solid #2b3079;
}

.zt-activity-title {
    font-size: 20px;
    font-weight: 700;
    color: #2b3079;
    margin: 0;
}

.zt-activity-more-link {
    color: #2a4164;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.zt-activity-more-link:hover {
    color: #1e3a5f;
}

/* 左侧大专题样式 */
.zt-activity-main {
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
}

.zt-activity-main:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.zt-activity-main .zt-activity-image {
    height: 240px;
    overflow: hidden;
}

.zt-activity-main .zt-activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.zt-activity-main:hover .zt-activity-image img {
    transform: scale(1.05);
}

.zt-activity-main .zt-activity-info {
    padding: 15px;
    background: #fff;
}

.zt-activity-main .zt-activity-title-text {
    font-size: 18px;
    font-weight: bold;
    color: #2a4164;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.zt-activity-main .zt-activity-desc {
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
}

/* 右侧小专题区域 */
.zt-activity-small {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 12px;
}

.zt-activity-item {
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
}

.zt-activity-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.zt-activity-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.zt-activity-image {
    height: 130px;
    overflow: hidden;
}

.zt-activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.zt-activity-item:hover .zt-activity-image img {
    transform: scale(1.08);
}

.zt-activity-info {
    padding: 10px 8px;
    background: #fff;
}

.zt-activity-title-text {
    font-size: 14px;
    font-weight: bold;
    color: #2a4164;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    text-align: center;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 专题分类导航移动端样式 */
    .zt-category-nav {
        margin-bottom: 15px;
    }

    .zt-category-wrapper {
        flex-direction: column;
        border-radius: 6px;
    }

    .zt-category-main {
        width: 100%;
    }

    .zt-home-link {
        padding: 12px 20px;
        font-size: 16px;
    }

    .zt-category-list {
        flex-wrap: wrap;
    }

    .zt-category-item {
        padding: 12px 15px;
        font-size: 14px;
        flex: 1;
        min-width: 50%;
        text-align: center;
        border-left: 1px solid #4b519f;
        border-bottom: 1px solid #4b519f;
    }

    .zt-category-item:nth-child(3) {
        border-bottom: none;
    }

    .zt-category-item:nth-child(4) {
        border-bottom: none;
    }

    /* 两列专题内容区移动端样式 */
    .zt-two-column-articles {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .zt-article-section {
        padding: 15px;
    }

    .zt-section-header h2 {
        font-size: 18px;
    }

    .zt-more-link {
        font-size: 12px;
    }

    .zt-article-item {
        font-size: 14px;
    }

    .zt-article-item::before {
        font-size: 14px;
        left: 8px;
        top: 10px;
    }

    .zt-article-content {
        padding: 0 10px 0 25px;
    }

    .zt-article-header {
        padding: 3px 0;
    }

    .zt-article-title {
        font-size: 15px;
    }

    .zt-article-date {
        font-size: 11px;
    }

    .zt-article-desc {
        font-size: 11px;
    }

    .zt-article-desc-wrapper {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }

    .zt-article-tag {
        font-size: 11px;
        align-self: flex-end;
    }

    /* 活动/阶段专题移动端样式 */
    .zt-activity-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }

    .zt-activity-title {
        font-size: 16px;
    }

    .zt-activity-more-link {
        font-size: 12px;
    }

    .zt-activity-main .zt-activity-image {
        height: 200px;
    }

    .zt-activity-main .zt-activity-title-text {
        font-size: 16px;
    }

    .zt-activity-main .zt-activity-desc {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }

    .zt-activity-small {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .zt-activity-image {
        height: 100px;
    }

    .zt-activity-title-text {
        font-size: 12px;
        text-align: left;
    }

    .zt-activity-info {
        padding: 8px 6px;
    }
}

/* ========== 轮胎问题中心样式 ========== */
.problem-center {
    padding: 20px 0 30px;
}

.problem-intro {
    text-align: center;
    margin-bottom: 30px;
}

.problem-title {
    font-size: 36px;
    font-weight: 700;
    color: #2b3079;
    margin-bottom: 15px;
}

.problem-subtitle {
    font-size: 18px;
    color: #666;
    margin: 0;
}

.problem-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.problem-card {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.problem-card-header-mobile {
    display: flex;
    align-items: center;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #2b3079;
    transition: width 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(43, 48, 121, 0.2);
}

.problem-card:hover::before {
    width: 8px;
}

.problem-card-1::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-2::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-3::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-4::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-5::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-6::before {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-number {
    font-size: 48px;
    font-weight: 900;
    color: rgba(43, 48, 121, 0.1);
    line-height: 1;
    margin-right: 15px;
    flex-shrink: 0;
}

.problem-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
    font-size: 22px;
    color: #fff;
}

.problem-card-1 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-2 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-3 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-4 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-5 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

.problem-card-6 .problem-card-icon {
    background: linear-gradient(135deg, #2b3079 0%, #2b3079 100%);
}

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

.problem-card-name {
    font-size: 24px;
    font-weight: 700;
    color: #2b3079;
    margin: 0 0 5px 0;
}

.problem-card-type {
    font-size: 14px;
    color: #999;
    margin: 0 0 10px 0;
    font-weight: 500;
}

.problem-card-desc {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.problem-card-desc span {
    font-size: 14px;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 8px;
}

.problem-card-desc span::before {
    content: '•';
    color: #2b3079;
    font-size: 14px;
    font-weight: bold;
}

.problem-card-arrow {
    margin-left: 10px;
    color: #2b3079;
    font-size: 18px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.problem-card:hover .problem-card-arrow {
    transform: translateX(5px);
}

.recent-updates {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.recent-updates .section-header {
    margin-bottom: 20px;
}

.recent-updates .section-title {
    font-size: 22px;
    font-weight: 700;
    color: #2b3079;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.recent-updates .section-title i {
    color: #2b3079;
}

.recent-updates-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.recent-update-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.recent-update-item:last-child {
    border-bottom: none;
}

.recent-update-item:hover {
    background: #f8f9fa;
    padding-left: 10px;
    padding-right: 10px;
    border-radius: 6px;
}

.recent-update-item .update-title {
    flex: 1;
    color: #333;
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 20px;
}

.recent-update-item:hover .update-title {
    color: #2b3079;
}

.recent-update-item .update-date {
    color: #999;
    font-size: 13px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 轮胎问题中心响应式设计 */
@media (max-width: 992px) {
    .problem-center {
        padding: 30px 0 50px;
    }

    .problem-title {
        font-size: 30px;
    }

    .problem-subtitle {
        font-size: 16px;
    }

    .problem-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .problem-card {
        padding: 20px;
    }

    .problem-card-number {
        font-size: 40px;
    }

    .problem-card-icon {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }

    .problem-card-name {
        font-size: 20px;
    }

    .problem-card-type {
        font-size: 13px;
    }

    .problem-card-desc span {
        font-size: 11px;
    }

    .recent-updates {
        padding: 25px;
    }

    .recent-updates .section-title {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .problem-center {
        padding: 20px 0 40px;
    }

    .problem-intro {
        margin-bottom: 30px;
    }

    .problem-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .problem-subtitle {
        font-size: 14px;
    }

    .problem-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .problem-card {
        padding: 18px;
        flex-direction: column;
    }

    .problem-card-header-mobile {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
    }

    .problem-card .problem-card-number {
        font-size: 36px;
        margin-right: 10px;
        margin-bottom: 0;
    }

    .problem-card .problem-card-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
        margin-right: 0;
        margin-bottom: 0;
    }

    .problem-card-content {
        flex: 1;
        min-width: 0;
        text-align: left;
        width: 100%;
    }

    .problem-card-name {
        font-size: 18px;
        margin-bottom: 3px;
    }

    .problem-card-type {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .problem-card-desc span {
        font-size: 12px;
    }

    .problem-card-arrow {
        display: none;
    }

    .recent-updates {
        padding: 20px 15px;
    }

    .recent-updates .section-header {
        margin-bottom: 15px;
    }

    .recent-updates .section-title {
        font-size: 16px;
    }

    .recent-update-item {
        padding: 14px 0;
        flex-wrap: wrap;
    }

    .recent-update-item .update-title {
        font-size: 14px;
        margin-right: 0;
        margin-bottom: 5px;
        width: 100%;
    }

    .recent-update-item .update-date {
        font-size: 12px;
    }
}