/* 子页面样式 */

/* 页面头部 */
.page-header {
    padding: 8rem 0 3rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(30, 64, 175, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
    margin-top: 80px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-primary);
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #b0b8c8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
}

/* 页面主体 */
.page-body {
    padding: 4rem 0;
    min-height: 60vh;
}

.content-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

/* 内容卡片 */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.content-card h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.content-card h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-card p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-card ul,
.content-card ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.content-card li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 文章列表 */
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.article-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-card .article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.article-card .article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.article-card .article-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition-fast);
}

.article-card .article-link:hover {
    color: var(--primary-color);
}

/* 文档目录 */
.doc-toc {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-bottom: 3rem;
    position: sticky;
    top: 100px;
}

.doc-toc h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.doc-toc ul {
    list-style: none;
    padding: 0;
}

.doc-toc li {
    margin-bottom: 0.75rem;
}

.doc-toc a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: block;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.doc-toc a:hover {
    color: var(--accent-color);
    background: rgba(37, 99, 235, 0.1);
}

/* 代码块 */
.content-card pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.content-card code {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--accent-color);
}

/* 引用块 */
.content-card blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* 表格 */
.content-card table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.content-card table th,
.content-card table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.content-card table th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
}

.content-card table tr:hover {
    background: rgba(37, 99, 235, 0.05);
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(37, 99, 235, 0.2);
    color: var(--accent-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* 按钮组 */
.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .content-wrapper[style*="grid-template-columns"] {
        grid-template-columns: 200px 1fr !important;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 6rem 0 2rem;
        margin-top: 70px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .content-wrapper {
        padding: 0 1rem;
    }
    
    .content-wrapper[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        display: block !important;
    }
    
    .content-card {
        padding: 1.5rem;
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
    
    .doc-toc {
        position: relative;
        top: 0;
        margin-bottom: 2rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}