/* Article Pages CSS - industry-news.html / design-news.html / article-detail.html */

* { box-sizing: border-box; }

.breadcrumb-nav {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 0 20px;
    font-size: 14px;
    color: #e4e7ed;
}
.breadcrumb-nav a {
    color: #0A1F44;
    text-decoration: none;
}
.breadcrumb-nav a:hover {
    color: #1677FF;
}
.breadcrumb-nav span {
    color: #999;
}

.article-page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 40px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    color: #0A1F44;
    margin-bottom: 24px;
    text-align: center;
}

.category-nav {
    display: flex;
    gap: 0;
    margin-bottom: 30px;
    border-bottom: 2px solid #e4e7ed;
    overflow-x: auto;
}
.category-item {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #999;
    cursor: pointer;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all 0.2s;
}
.category-item:hover {
    color: #0A1F44;
    border-bottom-color: #66FCF1;
}
.category-item.active {
    color: #0A1F44;
    border-bottom-color: #0A1F44;
}

.article-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.article-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.article-cover {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.article-cover-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #e4e7ed, #f5f7fa);
}

.article-card-body {
    padding: 16px;
}
.article-type-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #1677FF;
    color: #fff;
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 8px;
}
.article-title {
    font-size: 18px;
    font-weight: 700;
    color: #0A1F44;
    margin-bottom: 8px;
    line-height: 1.4;
}
.article-card:hover .article-title {
    color: #1677FF;
}
.article-summary {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-date {
    font-size: 12px;
    color: #999;
}

.pagination-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}
.page-btn {
    padding: 8px 16px;
    border: 1px solid #e4e7ed;
    border-radius: 6px;
    font-size: 14px;
    color: #0A1F44;
    cursor: pointer;
    text-decoration: none;
    background: #fff;
    transition: all 0.2s;
}
.page-btn:hover {
    border-color: #1677FF;
    color: #1677FF;
}
.page-btn.active {
    background: #1677FF;
    color: #fff;
    border-color: #1677FF;
}

/* Article Detail Page */
.article-detail-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 20px 40px;
}
.article-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: #0A1F44;
    margin-bottom: 16px;
    line-height: 1.4;
}
.article-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: #999;
}
.article-meta .meta-type {
    color: #1677FF;
}
.article-detail-cover {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 24px;
}
.article-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 30px;
}
.article-detail-content p {
    margin-bottom: 16px;
}
.article-detail-content h1,
.article-detail-content h2,
.article-detail-content h3,
.article-detail-content h4,
.article-detail-content h5,
.article-detail-content h6 {
    color: #0A1F44;
    margin-top: 24px;
    margin-bottom: 12px;
}
.article-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}
.article-detail-content a {
    color: #1677FF;
    text-decoration: none;
}
.article-detail-content a:hover {
    text-decoration: underline;
}
.article-detail-content blockquote {
    border-left: 4px solid #0A1F44;
    padding-left: 16px;
    margin: 16px 0;
    color: #666;
}
.article-detail-content ul,
.article-detail-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.back-to-list {
    display: inline-block;
    padding: 10px 24px;
    background: #1677FF;
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
}
.back-to-list:hover {
    background: #0A1F44;
}

/* Related Articles */
.related-articles {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.related-title {
    font-size: 20px;
    font-weight: 700;
    color: #0A1F44;
    margin-bottom: 16px;
}
.related-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.related-article-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: transform 0.2s;
}
.related-article-card:hover {
    transform: translateY(-2px);
}
.related-cover {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}
.related-cover-placeholder {
    width: 100%;
    height: 140px;
    background: linear-gradient(135deg, #e4e7ed, #f5f7fa);
}
.related-card-body {
    padding: 12px;
}
.related-article-title {
    font-size: 14px;
    font-weight: 600;
    color: #0A1F44;
    margin-bottom: 4px;
    line-height: 1.4;
}
.related-article-date {
    font-size: 12px;
    color: #999;
}

/* States */
.loading-state,
.empty-state,
.error-state,
.not-found {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}
.not-found h2 {
    color: #0A1F44;
    margin-bottom: 16px;
}

/* View More Link (homepage) */
.view-more-link {
    display: inline-block;
    padding: 10px 24px;
    background: #1677FF;
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
}
.view-more-link:hover {
    background: #0A1F44;
}

/* Responsive */
@media (max-width: 1279px) {
    .article-list-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}
@media (max-width: 767px) {
    .article-list-container {
        grid-template-columns: 1fr;
    }
    .category-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .breadcrumb-nav {
        font-size: 12px;
    }
    .page-title {
        font-size: 24px;
    }
    .article-detail-container {
        padding: 0 16px;
    }
    .article-detail-title {
        font-size: 22px;
    }
    .related-list {
        grid-template-columns: 1fr;
    }
}