/* ========================================
   文章详情页样式 - article-detail.css
   现代化设计，与整体风格保持一致
   ======================================== */

/* CSS变量定义 - 与services.css保持一致 */
:root {
    --primary-blue: #2d86f9;
    --primary-blue-dark: #0058C9;
    --primary-blue-light: #5ba3ff;
    
    --text-color: #333;
    --text-secondary: #666;
    --text-light: #999;
    
    --bg-white: #fff;
    --bg-gray: #f6f6f6;
    --bg-light: #f1f1f1;
    
    --border-color: #d7d7d7;
    --border-light: #ededed;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 文章详情容器 */
.article-detail-container {
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
    padding: 30px 0 60px;
}

/* 面包屑导航 */
.article-breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    margin-bottom: 20px;
}

.breadcrumb-wrap {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.breadcrumb-icon {
    font-size: 16px;
    margin-right: 10px;
    color: var(--primary-blue);
}

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

.breadcrumb-item {
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item:not(.current):hover {
    color: var(--primary-blue);
}

.breadcrumb-item.current {
    color: var(--text-color);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: var(--text-light);
    font-size: 12px;
}

/* 文章主体 */
.article-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 50px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

/* 文章头部 */
.article-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-light);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.5;
    margin: 0 0 25px 0;
    text-align: center;
    letter-spacing: -0.5px;
}

/* 文章元信息 */
.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px 0;
}

.meta-left,
.meta-right {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.meta-icon {
    font-size: 16px;
    opacity: 0.8;
}

.meta-item strong {
    color: var(--text-color);
    font-weight: 600;
}

/* 文章内容 */
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    word-wrap: break-word;
    padding: 20px 0;
}

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

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    margin-top: 30px;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
    line-height: 1.4;
}

.article-content h1 {
    font-size: 28px;
    border-left: 4px solid var(--primary-blue);
    padding-left: 15px;
}

.article-content h2 {
    font-size: 24px;
    border-left: 4px solid var(--primary-blue);
    padding-left: 15px;
}

.article-content h3 {
    font-size: 20px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 25px 0;
    box-shadow: var(--shadow-md);
    display: block;
}

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

.article-content li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-content blockquote {
    margin: 25px 0;
    padding: 20px 25px;
    background: var(--bg-gray);
    border-left: 4px solid var(--primary-blue);
    border-radius: 4px;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-content a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    box-shadow: var(--shadow-sm);
    border-radius: 8px;
    overflow: hidden;
}

.article-content table th,
.article-content table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.article-content table th {
    background: var(--bg-gray);
    font-weight: 600;
    color: var(--text-color);
}

.article-content table tr:hover {
    background: var(--bg-gray);
}

/* 附件区域 */
.article-annex {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid var(--border-light);
}

.annex-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.annex-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-blue);
    border-radius: 2px;
}

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

.annex-file {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-gray);
    border-radius: 8px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.annex-file:hover {
    background: var(--primary-blue);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.annex-icon {
    font-size: 18px;
}

/* 响应式设计 */
@media screen and (max-width: 1024px) {
    .article-main {
        max-width: 95%;
        padding: 30px 35px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .meta-left,
    .meta-right {
        width: 100%;
        justify-content: flex-start;
    }
}

@media screen and (max-width: 768px) {
    .article-detail-container {
        padding: 20px 0 40px;
    }
    
    .article-breadcrumb {
        padding: 0 15px;
    }
    
    .breadcrumb-wrap {
        padding: 12px 15px;
    }
    
    .article-main {
        padding: 25px 20px;
        border-radius: 8px;
    }
    
    .article-title {
        font-size: 24px;
        text-align: left;
    }
    
    .article-header {
        margin-bottom: 30px;
        padding-bottom: 20px;
    }
    
    .article-content {
        font-size: 15px;
    }
    
    .article-content h1 {
        font-size: 24px;
    }
    
    .article-content h2 {
        font-size: 20px;
    }
    
    .article-content h3 {
        font-size: 18px;
    }
    
    .meta-item {
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .article-title {
        font-size: 20px;
    }
    
    .article-content {
        font-size: 14px;
    }
    
    .breadcrumb-nav {
        font-size: 12px;
    }
    
    .breadcrumb-separator {
        margin: 0 6px;
    }
}