.category-header {
    background: linear-gradient(135deg, #6cbe03 0%, #038308 100%);
    color: white;
    padding: 80px 0 40px 0;
    text-align: center;
    position: relative;
}


.back-to-blog {
    background: rgba(108, 190, 3, 0.8);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.back-to-blog:hover {
    background: rgba(108, 190, 3, 1);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

.page-category-title {
    font-size: 3em;
    font-weight: 700;
    color: #f4a700;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.category-subtitle {
    font-size: 1.2em;
    color: white;
    margin-bottom: 30px;
}

.category-nav {
    background: rgba(3, 131, 8, 0.9);
    padding: 15px 0;
    margin-top: 30px;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.category-nav .nav-link {
    color: white;
    text-transform: uppercase;
    font-weight: 600;
    padding: 8px 16px;
    margin: 0 5px;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
    display: inline-block !important;
    visibility: visible !important;
}

.category-nav .nav-link:hover {
    background: #f4a700;
    color: #038308;
}

.category-nav .nav-link.active {
    background: #f4a700;
    color: #038308;
}

.articles-section {
    padding: 60px 0;
    background: #f8f9fa;
}

/* 确保文章列具有相同高度 */
.articles-section .row {
    display: flex;
    flex-wrap: wrap;
}

.articles-section .col-lg-4,
.articles-section .col-md-6 {
    display: flex;
    margin-bottom: 30px;
}

.article-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

.article-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.article-card:hover .article-title {
    color: #6cbe03;
}

.article-meta {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-meta i {
    color: #6cbe03;
}

.article-excerpt {
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95em;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.read-more-btn {
    display: inline-block;
    background: #6cbe03;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 14px;
    margin-top: auto;
    align-self: flex-start;
}

.read-more-btn:hover {
    background: #5aa802;
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 190, 3, 0.3);
}

.pagination-section {
    text-align: center;
    margin-top: 50px;
}

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

.page-link {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-link:hover {
    background: #6cbe03;
    color: white;
    border-color: #6cbe03;
    text-decoration: none;
    transform: translateY(-2px);
}

.page-link.active {
    background: #6cbe03;
    color: white;
    border-color: #6cbe03;
}

.page-link.disabled {
    color: #999;
    cursor: not-allowed;
    opacity: 0.5;
}

.page-link.disabled:hover {
    background: transparent;
    color: #999;
    border-color: #ddd;
    transform: none;
}

/* Mobile Category Dropdown Styles */
.mobile-category-dropdown {
    flex: 1;
    margin-right: 15px;
    position: relative;
    display: block !important;
    visibility: visible !important;
}

/* 确保Bootstrap响应式类不会隐藏导航 */
.d-none.d-lg-block {
    display: block !important;
}

.d-lg-none {
    display: block !important;
}

@media (min-width: 992px) {
    .d-none.d-lg-block {
        display: block !important;
    }

    .d-lg-none {
        display: none !important;
    }
}

@media (max-width: 991px) {
    .d-none.d-lg-block {
        display: none !important;
    }

    .d-lg-none {
        display: block !important;
    }
}

.mobile-category-btn {
    background: linear-gradient(135deg, #6cbe03 0%, #038308 100%);
    color: white;
    border: 2px solid #f4a700;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(108, 190, 3, 0.3);
    transition: all 0.3s ease;
    width: 100%;
    white-space: nowrap;
    display: block !important;
    visibility: visible !important;
}

.mobile-category-btn:hover,
.mobile-category-btn:focus {
    background: linear-gradient(135deg, #5aa802 0%, #027a07 100%);
    color: white;
    border-color: #ffd700;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 190, 3, 0.4), 0 0 0 3px rgba(244, 167, 0, 0.3);
}

.mobile-category-btn i {
    margin-right: 8px;
    color: #f4a700;
}

.mobile-category-menu {
    background: rgba(3, 131, 8, 0.95);
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    margin-top: 8px;
    min-width: 250px;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    z-index: 1050;
    position: absolute;
    top: 100%;
}

.mobile-category-menu .dropdown-item {
    color: white;
    padding: 12px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 2px 8px;
}

.mobile-category-menu .dropdown-item:hover {
    background: rgba(244, 167, 0, 0.2);
    color: #f4a700;
    transform: translateX(5px);
}

.mobile-category-menu .dropdown-item.active {
    background: #f4a700;
    color: #038308;
    font-weight: 600;
}

.mobile-category-menu .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 8px 0;
}

@media (max-width: 768px) {
    .category-header {
        padding: 60px 0 30px 0;
    }

    .category-nav {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .category-nav .nav-link {
        margin: 2px;
        font-size: 12px;
        padding: 6px 12px;
        display: inline-block !important;
        visibility: visible !important;
    }

    .back-to-blog {
        font-size: 12px;
        padding: 8px 16px;
        white-space: nowrap;
        flex-shrink: 0;
        display: inline-flex !important;
        visibility: visible !important;
    }

    .page-category-title {
        font-size: 2em;
    }

    .article-card {
        margin-bottom: 20px;
    }

    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .mobile-category-dropdown {
        display: block !important;
        visibility: visible !important;
    }

    .mobile-category-btn {
        font-size: 13px;
        padding: 8px 16px;
        display: block !important;
        visibility: visible !important;
    }

    .mobile-category-menu {
        min-width: 200px;
        visibility: visible !important;
    }

    .mobile-category-menu .dropdown-item {
        font-size: 14px;
        padding: 10px 16px;
        display: block !important;
        visibility: visible !important;
    }
}

.blog-hero {
    background: linear-gradient(135deg, #6cbe03 0%, #038308 100%);
    color: white;
    padding: 140px 0 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero-image {
    position: absolute;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: auto;
    z-index: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .blog-hero {
        padding: 60px 0 150px 0;
    }

    .blog-hero-image {
        bottom: 0px;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 50px 0 120px 0;
    }

    .blog-hero-image {
        bottom: 0px;
    }
}

.blog-categories {
    padding: 60px 0;
    background: #f8f9fa;
}

.category-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.category-icon {
    font-size: 3em;
    color: #6cbe03;
    margin-bottom: 20px;
}

.card-category-title {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.category-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.category-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.5em;
    font-weight: 700;
    color: #6cbe03;
}

.stat-label {
    font-size: 0.9em;
    color: #666;
}

.category-articles {
    margin-top: 20px;
}

.article-preview {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.article-preview:last-child {
    border-bottom: none;
}

.preview-article-title {
    font-size: 1.1em;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.preview-article-meta {
    font-size: 0.9em;
    color: #999;
    margin-bottom: 5px;
}

.preview-article-excerpt {
    font-size: 0.95em;
    color: #666;
    line-height: 1.5;
}

.view-all-btn {
    background: #6cbe03;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    background: #5aa002;
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

.featured-posts {
    padding: 60px 0;
    background: white;
}

/* 确保Featured Posts列具有相同高度 */
.featured-posts .row {
    display: flex;
    flex-wrap: wrap;
}

.featured-posts .col-lg-4,
.featured-posts .col-md-6 {
    display: flex;
    margin-bottom: 30px;
}

.featured-post {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.featured-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.featured-post img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.featured-post-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.featured-post-title {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.featured-post-meta {
    font-size: 0.9em;
    color: #999;
    margin-bottom: 15px;
}

.featured-post-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

.featured-read-more-btn {
    background: transparent;
    color: #6cbe03;
    border: 2px solid #6cbe03;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    margin-top: auto;
    align-self: flex-start;
}

.featured-read-more-btn:hover {
    background: #6cbe03;
    color: white;
    text-decoration: none;
}

.article-container {
    padding: 120px 0 40px 0;
    background-color: #f8f9fa;
}

@media (max-width: 768px) {
    .article-container {
        padding: 100px 0 40px 0;
    }
}

/* 文章页面专用样式 */
.article-container .article-content {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.article-container .article-header {
    margin-bottom: 30px;
    border-bottom: 2px solid #6cbe03;
    padding-bottom: 20px;
}

.article-container .article-title {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.2;
}

.article-container .article-meta {
    color: #666;
    font-size: 0.95em;
    margin-bottom: 20px;
}

.article-container .article-meta i {
    margin-right: 5px;
    color: #6cbe03;
}

.article-container .article-meta span {
    margin-right: 20px;
}

.article-container .article-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 30px;
}

.article-container .article-body {
    font-size: 1.1em;
    line-height: 1.8;
    color: #333;
}

.article-container .article-body h2 {
    color: #6cbe03;
    font-size: 1.8em;
    margin: 30px 0 15px 0;
    font-weight: 600;
}

.article-container .article-body h3 {
    color: #333;
    font-size: 1.4em;
    margin: 25px 0 12px 0;
    font-weight: 600;
}

.article-container .article-body p {
    margin-bottom: 20px;
}

.article-container .article-body ul, .article-container .article-body ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.article-container .article-body li {
    margin-bottom: 8px;
}

.article-container .article-body blockquote {
    border-left: 4px solid #6cbe03;
    padding-left: 20px;
    margin: 25px 0;
    font-style: italic;
    color: #555;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
}

.article-container .sidebar {
    position: sticky;
    top: 50px;
}

.article-container .sidebar-widget {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 25px;
}

.widget-title {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #6cbe03;
}

/* 联系信息和订阅区域 */
.contact-section {

    border-bottom: 1px solid #eee;
}

.newsletter-section {
    margin-top: 20px;
}

.newsletter-section p {
    margin-bottom: 15px;
    color: #666;
    font-size: 0.95em;
}

.contact-info {
    list-style: none;
    padding: 0;
}

.contact-info li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info i {
    color: #6cbe03;
    margin-right: 10px;
    width: 20px;
}

.contact-info a {
    color: #333;
    text-decoration: none;
}

.contact-info a:hover {
    color: #6cbe03;
}

/* 社交媒体图标 */
.social-media-icons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    gap: 10px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    text-decoration: none;
    color: white;
    font-size: 1.2em;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.social-icon:hover::before {
    left: 100%;
}

.social-icon.website {
    background: linear-gradient(135deg, #6cbe03, #038308);
}

.social-icon.tiktok {
    background: linear-gradient(135deg, #000000, #25f4ee);
}

.social-icon.tiktok svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-icon.instagram {
    background: linear-gradient(135deg, #e4405f, #f77737);
}

.social-icon.facebook {
    background: linear-gradient(135deg, #1877f2, #0d6efd);
}

.social-icon.whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.social-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    text-decoration: none;
    color: white;
}

/* 课程推广横幅 */
.course-promotion-banner {
    background: linear-gradient(135deg, #6cbe03 0%, #038308 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(108, 190, 3, 0.3);
}

.course-promotion-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.promotion-header {
    position: relative;
    z-index: 2;
    margin-bottom: 20px;
}

.promotion-header h3 {
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.discount-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: #ff6b35;
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-weight: 700;
    font-size: 0.8em;
    animation: pulse 2s infinite;
    z-index: 3;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    border: 2px solid #fff;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.promotion-description {
    position: relative;
    z-index: 2;
    margin-bottom: 20px;
    opacity: 0.95;
    line-height: 1.5;
}

.price-info {
    position: relative;
    z-index: 2;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.original-price {
    text-decoration: line-through;
    opacity: 0.7;
    font-size: 1.1em;
}

.current-price {
    font-size: 1.8em;
    font-weight: 700;
    color: #ffd700;
}

.price-period {
    opacity: 0.8;
    font-size: 0.9em;
}

.promotion-features {
    position: relative;
    z-index: 2;
    margin-bottom: 25px;
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.95em;
}

.feature-item i {
    color: #ffd700;
    margin-right: 10px;
    font-size: 1.1em;
}

.promotion-btn-container {
    position: relative;
    display: inline-block;
}

.promotion-btn {
    position: relative;
    z-index: 2;
    background: #ffd700;
    color: #038308;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    font-size: 1.1em;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.promotion-btn:hover {
    background: #fff;
    color: #038308;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    text-decoration: none;
}

.promotion-btn i {
    margin-right: 8px;
}

.related-articles {
    list-style: none;
    padding: 0;
}

.related-articles li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.related-articles li:last-child {
    border-bottom: none;
}

.related-articles a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    line-height: 1.4;
}

.related-articles a:hover {
    color: #6cbe03;
}

.breadcrumb-nav {
    background: #ffffff !important;
    padding: 10px 0 !important;
    top: 50px;
    margin-bottom: 0 !important;
    border-bottom: 2px solid #6cbe03 !important;
    position: fixed !important;
    z-index: 5 !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
    width: 100% !important;
    transition: transform 0.3s ease !important;
}

.breadcrumb-nav.hidden {
    transform: translateY(-100%) !important;
}

.breadcrumb-nav .breadcrumb {
    margin: 0 !important;
    background: none !important;
    padding: 0 !important;
    font-size: 1em !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    list-style: none !important;
    border-radius: 0 !important;
    font-weight: 500 !important;
    overflow: hidden !important;
    white-space: nowrap !important;
}

.breadcrumb-nav .breadcrumb-item {
    display: flex !important;
    align-items: center !important;
    padding-left: 0 !important;
}

.breadcrumb-nav .breadcrumb-item a {
    color: #6cbe03 !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: color 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    font-size: 1.1em !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.breadcrumb-nav .breadcrumb-item a:hover {
    color: #5a9d02 !important;
    text-decoration: underline !important;
}

.breadcrumb-nav .breadcrumb-item.active {
    color: #666 !important;
    font-weight: 600 !important;
}

.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
    content: ">" !important;
    color: #6cbe03 !important;
    font-weight: bold !important;
    margin: 0 8px !important;
    display: inline-block !important;
    padding-right: 0 !important;
    padding-left: 0 !important;
}

@media (max-width: 768px) {
    .article-container .article-content {
        padding: 25px 20px;
    }

    .article-container .article-title {
        font-size: 2em;
    }

    .article-container .sidebar {
        margin-top: 30px;
    }

    .breadcrumb-nav {
        padding: 8px 0 !important;
        top: 50px !important;
    }

    .breadcrumb-nav .breadcrumb {
        font-size: 0.75em !important;
        flex-wrap: nowrap !important;
    }

    .breadcrumb-nav .breadcrumb-item a {
        font-size: 0.9em !important;
    }

    .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
        margin: 0 3px !important;
        font-size: 0.8em !important;
    }

    /* 移动端课程推广样式 */
    .course-promotion-banner {
        padding: 25px 20px;
    }

    .promotion-header h3 {
        font-size: 1.3em;
    }

    .current-price {
        font-size: 1.5em;
    }

    .promotion-btn {
        padding: 12px 25px;
        font-size: 1em;
    }

    .discount-badge {
        top: -8px;
        right: -8px;
        padding: 4px 10px;
        font-size: 0.7em;
    }

    /* 移动端社交媒体图标 */
    .social-media-icons {
        gap: 8px;
    }

    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1em;
    }

    /* 移动端文章卡片高度调整 */
    .articles-section .row {
        display: block;
    }

    .articles-section .col-lg-4,
    .articles-section .col-md-6 {
        display: block;
        margin-bottom: 20px;
    }

    .article-card {
        height: auto;
    }

    .article-excerpt {
        -webkit-line-clamp: 3;
    }

    /* 移动端Featured Posts高度调整 */
    .featured-posts .row {
        display: block;
    }

    .featured-posts .col-lg-4,
    .featured-posts .col-md-6 {
        display: block;
        margin-bottom: 20px;
    }

    .featured-post {
        height: auto;
    }

    .featured-post-excerpt {
        -webkit-line-clamp: 3;
    }
}