/**
 * 文章页面样式
 */

/* 文章区域 */
.article-section {
    padding: 30px 0 50px;
    background: #f9f9f9;
    min-height: 500px;
}

.article-container {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #0066CC;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #0052A3;
    text-decoration: underline;
}

.breadcrumb .separator {
    color: #999;
}

.breadcrumb .current {
    color: #333;
}

/* 文章头部 */
.article-header {
    margin-bottom: 30px;
}

.article-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    line-height: 1.4;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #999;
    font-size: 14px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item i {
    font-style: normal;
}

/* 文章内容 */
.article-content {
    line-height: 1.8;
    color: #333;
}

.article-cover {
    margin-bottom: 25px;
    border-radius: 8px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.article-summary {
    background: #f5f5f5;
    padding: 15px 20px;
    border-left: 4px solid #0066CC;
    margin-bottom: 25px;
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
}

.article-body p {
    margin-bottom: 15px;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    margin: 25px 0 15px;
    color: #333;
}

.article-body h2 {
    font-size: 22px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.article-body h3 {
    font-size: 18px;
}

.article-body ul,
.article-body ol {
    margin: 15px 0;
    padding-left: 25px;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

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

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 15px 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.article-body th,
.article-body td {
    border: 1px solid #ddd;
    padding: 10px 15px;
    text-align: left;
}

.article-body th {
    background: #f5f5f5;
    font-weight: bold;
}

.article-body blockquote {
    border-left: 4px solid #0066CC;
    padding: 10px 20px;
    margin: 20px 0;
    background: #f9f9f9;
    color: #666;
    font-style: italic;
}

.article-body a {
    color: #0066CC;
    text-decoration: underline;
}

.article-body a:hover {
    color: #0052A3;
}

/* 附件 */
.article-attachment {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.article-attachment h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #333;
}

.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: #f5f5f5;
    border-radius: 6px;
    border: 1px solid #ddd;
    transition: all 0.3s;
}

.attachment-link:hover {
    background: #e8f4fc;
    border-color: #0066CC;
}

.attachment-icon {
    font-size: 20px;
}

.attachment-name {
    color: #0066CC;
    font-size: 14px;
}

/* 上一篇/下一篇 */
.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    gap: 20px;
}

.nav-prev,
.nav-next {
    flex: 1;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
}

.nav-prev a,
.nav-next a {
    color: #0066CC;
    font-size: 15px;
    line-height: 1.5;
    transition: color 0.3s;
}

.nav-prev a:hover,
.nav-next a:hover {
    color: #0052A3;
    text-decoration: underline;
}

.nav-empty {
    color: #999;
    font-size: 14px;
}

/* 错误页面 */
.article-error {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.error-icon {
    font-size: 80px;
    font-weight: bold;
    color: #ddd;
    margin-bottom: 20px;
}

.article-error h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
}

.article-error p {
    color: #666;
    margin-bottom: 30px;
}

.btn-back {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    color: #fff;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.3s;
}

.btn-back:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

/* 响应式 */
@media (max-width: 768px) {
    .article-container {
        padding: 20px;
    }
    
    .article-title {
        font-size: 22px;
    }
    
    .article-meta {
        gap: 10px;
    }
    
    .article-body {
        font-size: 15px;
    }
    
    .article-nav {
        flex-direction: column;
    }
    
    .nav-next {
        text-align: left;
    }
}