/* ========================================
   文章页面样式
   ======================================== */

/* 文章页面主体 */
.article-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
    padding-top: 70px;
}

/* 文章头部区域 */
.article-header {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(180deg, rgba(22, 184, 243, 0.05) 0%, transparent 100%);
    overflow: hidden;
}

.article-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(22, 184, 243, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.article-header-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* 面包屑导航 */
.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
    font-size: 14px;
}

.article-breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

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

.article-breadcrumb-separator {
    color: rgba(255, 255, 255, 0.3);
}

.article-breadcrumb-current {
    color: rgba(255, 255, 255, 0.7);
}

/* 文章元信息 */
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.article-date {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-blue);
    font-size: 14px;
    font-weight: 500;
}

.article-date svg {
    width: 16px;
    height: 16px;
}

.article-category {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(22, 184, 243, 0.1);
    border: 1px solid rgba(22, 184, 243, 0.2);
    border-radius: 20px;
    color: var(--color-blue);
    font-size: 12px;
    font-weight: 500;
}

/* 文章标题 */
.article-title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

/* 文章摘要 */
.article-summary {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    max-width: 700px;
}

/* 文章内容区域 */
.article-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.article-body {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 48px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* 文章内容排版 */
.article-body h2 {
    font-size: 26px;
    font-weight: 600;
    color: #ffffff;
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin: 36px 0 16px;
}

.article-body h4 {
    font-size: 18px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin: 28px 0 12px;
}

.article-body p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    margin-bottom: 20px;
}

.article-body strong {
    color: #ffffff;
    font-weight: 600;
}

.article-body a {
    color: var(--color-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.article-body a:hover {
    border-bottom-color: var(--color-blue);
}

/* 列表样式 */
.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-body li {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 10px;
}

.article-body li::marker {
    color: var(--color-blue);
}

/* 图片样式 */
.article-body img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 32px auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-body .image-caption {
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: -20px;
    margin-bottom: 32px;
}

/* 代码块样式 */
.article-body pre {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 24px 0;
    overflow-x: auto;
}

.article-body code {
    font-family: 'SF Mono', 'Fira Code', 'Monaco', monospace;
    font-size: 14px;
    color: #e6e6e6;
    line-height: 1.6;
}

.article-body p code {
    background: rgba(22, 184, 243, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--color-blue);
}

/* 引用块样式 */
.article-body blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(22, 184, 243, 0.08) 0%, rgba(22, 184, 243, 0.02) 100%);
    border-left: 4px solid var(--color-blue);
    border-radius: 0 12px 12px 0;
}

.article-body blockquote p {
    margin: 0;
    font-size: 17px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.8);
}

/* 提示框样式 */
.article-notice {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255, 193, 7, 0.08);
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: 12px;
    margin: 24px 0;
}

.article-notice svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: #ffc107;
}

.article-notice p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

/* 功能列表样式 */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '';
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316B8F3' stroke-width='2'%3E%3Cpath d='M22 11.08V12a10 10 0 1 1-5.93-9.14'/%3E%3Cpolyline points='22 4 12 14.01 9 11.01'/%3E%3C/svg%3E") center/contain no-repeat;
    margin-top: 2px;
}

/* 文章底部 */
.article-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    transition: all 0.3s ease;
}

.article-tag:hover {
    background: rgba(22, 184, 243, 0.1);
    border-color: rgba(22, 184, 243, 0.3);
    color: var(--color-blue);
}

/* 返回按钮 */
.article-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(22, 184, 243, 0.1);
    border: 1px solid rgba(22, 184, 243, 0.2);
    border-radius: 10px;
    color: var(--color-blue);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.article-back:hover {
    background: rgba(22, 184, 243, 0.2);
    transform: translateX(-4px);
}

.article-back svg {
    width: 18px;
    height: 18px;
}

/* 相关文章 */
.related-articles {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 100px;
}

.related-articles-title {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 32px;
}

.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.related-article-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.related-article-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(22, 184, 243, 0.2);
    transform: translateY(-4px);
}

.related-article-date {
    font-size: 13px;
    color: var(--color-blue);
    margin-bottom: 12px;
}

.related-article-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: 12px;
}

.related-article-excerpt {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .article-header {
        padding: 60px 0 40px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-summary {
        font-size: 16px;
    }
    
    .article-content {
        padding: 40px 16px 60px;
    }
    
    .article-body {
        padding: 28px 20px;
        border-radius: 16px;
    }
    
    .article-body h2 {
        font-size: 22px;
    }
    
    .article-body h3 {
        font-size: 18px;
    }
    
    .related-articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-body {
        padding: 24px 16px;
    }
}