/* ===== 资讯页面样式 ===== */

/* 页面容器 */
.news-page {
    padding-top: 100px;
    min-height: 100vh;
}

/* 列表页头部 */
.news-page-header {
    padding: 60px 0 50px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    margin-bottom: 50px;
}

.news-page-header .section-tag {
    margin-bottom: 20px;
}

.news-page-header .section-title {
    margin-bottom: 16px;
}

.news-page-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

/* 资讯列表 */
.news-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.news-list-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-list-card:hover {
    border-color: var(--cyan-dim);
    transform: translateY(-4px);
}

/* 封面图 */
.news-list-cover {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.news-list-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, var(--bg-card) 100%);
    pointer-events: none;
}

.news-list-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news-list-card:hover .news-list-cover img {
    transform: scale(1.05);
}

.news-list-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    padding: 0 32px;
    padding-top: 28px;
}

.news-list-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--cyan);
    font-weight: 500;
}

.news-list-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.news-list-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    padding: 0 32px;
}

.news-list-title a {
    color: var(--text);
}

.news-list-title a:hover {
    color: var(--cyan);
}

.news-list-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
    padding: 0 32px;
}

.news-list-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cyan);
    transition: var(--transition);
    padding: 0 32px 28px;
}

.news-list-readmore:hover {
    gap: 10px;
}

/* 文章页 */
.news-article {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 0 80px;
}

.article-header {
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 48px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.article-category {
    display: inline-block;
    padding: 5px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--cyan);
    font-weight: 500;
}

.article-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

/* 文章内容 */
.article-body {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-body h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text);
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin: 32px 0 16px;
}

.article-body h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 24px 0 12px;
}

.article-body p {
    margin-bottom: 20px;
}

.article-body strong {
    color: var(--text);
    font-weight: 600;
}

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

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

.article-body ul,
.article-body ol {
    margin: 16px 0 24px 24px;
    padding: 0;
}

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

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

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

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

.article-body blockquote {
    margin: 28px 0;
    padding: 20px 28px;
    background: var(--bg-card);
    border-left: 3px solid var(--cyan);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text);
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body code {
    font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.88em;
    padding: 2px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--cyan);
}

.article-body pre {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow-x: auto;
}

.article-body pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
}

.article-body img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 24px 0;
    border: 1px solid var(--border);
}

.article-body hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 40px 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.9rem;
}

.article-body th,
.article-body td {
    padding: 12px 16px;
    text-align: left;
    border: 1px solid var(--border);
}

.article-body th {
    background: var(--bg-card);
    font-weight: 600;
    color: var(--text);
}

.article-body td {
    color: var(--text-secondary);
}

/* 文章底部 */
.article-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.article-footer .btn {
    gap: 8px;
}

/* 导航栏激活状态 */
.nav-link.active {
    color: var(--cyan);
}

.nav-link.active::after {
    width: 100%;
}

/* 响应式 */
@media (max-width: 768px) {
    .news-page {
        padding-top: 80px;
    }
    
    .news-page-header {
        padding: 40px 0 30px;
        margin-bottom: 30px;
    }
    
    .news-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-list-card {
        padding: 0;
    }
    
    .news-list-meta {
        padding: 20px 20px 0;
    }
    
    .news-list-title {
        padding: 0 20px;
        font-size: 1.05rem;
    }
    
    .news-list-excerpt {
        padding: 0 20px;
        font-size: 0.85rem;
    }
    
    .news-list-readmore {
        padding: 0 20px 20px;
    }
    
    .news-list-cover {
        height: 160px;
    }
    
    .news-article {
        padding: 24px 0 60px;
    }
    
    .article-header {
        padding-bottom: 28px;
        margin-bottom: 32px;
    }
    
    .article-body {
        font-size: 0.95rem;
    }
    
    .article-body h2 {
        font-size: 1.2rem;
        margin-top: 36px;
    }
    
    .article-body blockquote {
        padding: 16px 20px;
    }
}

@media (max-width: 480px) {
    .news-page-header {
        padding: 40px 0 30px;
        margin-bottom: 30px;
    }
    
    .news-list-meta {
        padding: 20px 16px 0;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .news-list-title {
        padding: 0 16px;
        font-size: 1rem;
    }
    
    .news-list-excerpt {
        padding: 0 16px;
        font-size: 0.82rem;
        margin-bottom: 16px;
    }
    
    .news-list-readmore {
        padding: 0 16px 20px;
        font-size: 0.8rem;
    }
    
    .news-list-cover {
        height: 140px;
    }
    
    .news-article {
        padding: 16px 0 40px;
    }
    
    .article-header {
        padding-bottom: 20px;
        margin-bottom: 24px;
    }
    
    .article-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .article-body {
        font-size: 0.9rem;
        line-height: 1.8;
    }
    
    .article-body h2 {
        font-size: 1.1rem;
        margin-top: 28px;
        margin-bottom: 14px;
    }
    
    .article-body h3 {
        font-size: 1rem;
        margin-top: 24px;
    }
    
    .article-body p {
        margin-bottom: 16px;
    }
    
    .article-body blockquote {
        padding: 14px 16px;
        margin: 20px 0;
    }
    
    .article-body pre {
        padding: 16px;
        font-size: 0.82rem;
    }
    
    .article-body ul,
    .article-body ol {
        margin: 12px 0 20px 20px;
    }
    
    .article-footer {
        margin-top: 40px;
        padding-top: 28px;
    }
}