/* 页面结构 */
.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 1rem 0;
    color: #6b7280;
    font-size: 0.9rem;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 2rem;
}

.breadcrumb a {
    color: #3b82f6;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 文章头部 */
.article-header {
    /* margin-bottom: 2.5rem; */
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    width: 900px;
}

.article-category {
    display: inline-block;
    background: #e0f2fe;
    color: #0369a1;
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 2.2rem;
    line-height: 1.3;
    color: #FFF;
    margin: 0 0 1rem 0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: #6b7280;
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 文章内容 */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #374151;
}

.article-content h2 {
    font-size: 1.6rem;
    color: #1f2937;
    margin: 2.5rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.article-content h3 {
    font-size: 1.3rem;
    color: #374151;
    margin: 2rem 0 0.75rem 0;
}

.article-content p {
    margin: 1rem 0;
}

.article-content ul, .article-content ol {
    margin: 1rem 0 1rem 1.5rem;
}

.article-content li {
    margin: 0.5rem 0;
}

/* 提示框 */
.tip-box {
    background: #f0f9ff;
    border-left: 4px solid #3b82f6;
    padding: 1.25rem;
    margin: 1.5rem 0;
    border-radius: 0 6px 6px 0;
}

.tip-box strong {
    color: #1e40af;
}

/* 表格样式 */
.shortcut-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.shortcut-table th {
    background: #1e3a8a;
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.shortcut-table td {
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.shortcut-table tr:hover {
    background: #f8fafc;
}

.shortcut-key {
    display: inline-block;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
}

/* 操作菜单栏 */
.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin: 3rem 0;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.action-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--secondary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.action-button:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
}

.action-button.secondary {
    background: white;
    color: #374151;
    border: 1px solid #d1d5db;
}

.action-button.secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

/* 相关文章 */
.related-articles {
    background: #f9fafb;
    padding: 3rem 0;
    margin-top: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.related-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .article-title {
        font-size: 1.8rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .article-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .action-button {
        text-align: center;
        justify-content: center;
    }
}

.a-h2{
    padding-top:2rem;height:13rem;
}

.a-t2{
    text-align:center;font-size:1.8rem;margin-top:3rem;
}

.a-m2{color:#FFF;display:flex;justify-content:flex-end;position:absolute;bottom:0.5rem;right:0.5rem;width:100%;}
.nav-2{position:absolute;top:0.5rem; left:0.5rem; width:100%; display:flex; justify-content: flex-start;width:100%;height:2rem;line-height:2rem;color:#FFF;font-size:1rem;}
.a-c2{margin-top:16rem;}
.a-c3{font-size:1.2rem;color:#1e40af;font-weight:500;}
.p-split{height:6rem;}


.text-keyword {
    color: #1e40af;
    font-weight: 600;
    background: #e0f2fe;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.seo-optimized-section {
    background: #f8fafc;
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.faq-section {
    background: #f0f9ff;
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0;
}

.faq-item {
    margin: 1.5rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #dbeafe;
}

.faq-item:last-child {
    border-bottom: none;
}