/* ============================================
   知己立方 - 资讯文章页样式 (article.css)
   适用：view_article_content.htm
   ============================================ */

/* ===== 面包屑导航 ===== */
.breadcrumb-wrap {
    background: #f8f9fa;
    border-bottom: 1px solid #eef0f2;
    padding: 16px 0;
    margin-top: 80px;   /* 避开固定导航栏 */
}
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    font-size: 14px;
    color: #6c757d;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.breadcrumb a {
    color: #495057;
    text-decoration: none;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: #0d6efd;
}
.breadcrumb .sep {
    color: #adb5bd;
    font-size: 12px;
}
.breadcrumb .current {
    color: #212529;
    font-weight: 500;
}

/* ===== 文章主体区域 ===== */
.article-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 48px 20px 64px;
}
.article-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid #e9ecef;
}
.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.4;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    color: #868e96;
    flex-wrap: wrap;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta .meta-icon {
    width: 16px;
    height: 16px;
    opacity: 0.6;
}
.article-body {
    font-size: 17px;
    line-height: 1.85;
    color: #343a40;
}
.article-body p {
    margin-bottom: 1.2em;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e9ecef;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: #212529;
    margin: 36px 0 16px;
}
.article-body strong {
    color: #1a1a2e;
    font-weight: 600;
}
.article-body ul,
.article-body ol {
    margin-bottom: 1.2em;
    padding-left: 1.8em;
}
.article-body li {
    margin-bottom: 0.5em;
}

/* ===== 相关阅读 ===== */
.related-wrap {
    background: #f8f9fa;
    padding: 56px 0 72px;
    border-top: 1px solid #e9ecef;
}
.related-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.related-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    gap: 10px;
}
.related-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 24px;
    background: #0d6efd;
    border-radius: 2px;
}
.related-more {
    font-size: 14px;
    color: #0d6efd;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}
.related-more:hover {
    opacity: 0.8;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    border-color: #dee2e6;
}
.related-card .card-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #e9ecef;
}
.related-card .card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-card .card-title {
    font-size: 15px;
    font-weight: 600;
    color: #212529;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card .card-meta {
    margin-top: auto;
    font-size: 13px;
    color: #868e96;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-title {
        font-size: 26px;
    }
}
@media (max-width: 575px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .article-title {
        font-size: 22px;
    }
    .article-container {
        padding: 32px 16px 48px;
    }
}