/* ==================== 文章页样式 ==================== */
.article-page {
    padding: 120px 0 60px;
    min-height: 80vh;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.article-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.article-body {
    max-width: 720px;
    line-height: 1.9;
    font-size: 16px;
    color: var(--text-dark);
}

.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 40px 0 16px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
}

.article-body p {
    margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
    margin: 12px 0 16px 20px;
}

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

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

.article-cta {
    margin: 48px 0;
    padding: 28px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    text-align: center;
}

.article-cta p {
    margin-bottom: 8px;
    font-size: 15px;
}

.article-cta .btn {
    margin-top: 12px;
}

.article-nav {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.article-nav a {
    color: var(--primary);
    font-weight: 500;
}

.article-nav a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .article-page {
        padding: 100px 0 40px;
    }
    .article-header h1 {
        font-size: 24px;
    }
    .article-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    .article-body {
        font-size: 15px;
    }
}

/* Breadcrumb */
.breadcrumb{font-size:.85rem;color:#888;padding:16px 0 8px;margin:0}
.breadcrumb a{color:#07C160;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:#333}

/* ===== 文章页优化新增样式 ===== */

/* 文章页阅读进度条 */
.reading-progress-bar {
    position: fixed;
    top: 56px;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #07C160, #4caf50);
    z-index: 999;
    transition: width 0.1s linear;
    width: 0%;
}

/* 文章页社交分享栏 */
.article-share-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 0;
    margin: 24px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    flex-wrap: wrap;
}
.article-share-bar .share-label {
    font-size: 14px;
    color: #999;
    font-weight: 500;
}
.article-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    border: 1px solid #eee;
    background: #fff;
    color: #555;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.article-share-btn:hover { transform: translateY(-1px); }
.article-share-btn-wechat { border-color: #07C160; color: #07C160; }
.article-share-btn-wechat:hover { background: #07C160; color: #fff; }
.article-share-btn-weibo { border-color: #e6162d; color: #e6162d; }
.article-share-btn-weibo:hover { background: #e6162d; color: #fff; }
.article-share-btn-qq { border-color: #12b7f5; color: #12b7f5; }
.article-share-btn-qq:hover { background: #12b7f5; color: #fff; }
.article-share-btn-copy:hover { background: #07C160; color: #fff; border-color: #07C160; }

/* 上一篇/下一篇 */
.article-prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 40px 0 20px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}
.article-prev-next a {
    display: block;
    padding: 16px 20px;
    border: 1px solid #eee;
    border-radius: 10px;
    text-decoration: none;
    color: #1a1a1a;
    transition: all 0.2s;
}
.article-prev-next a:hover {
    border-color: #07C160;
    color: #07C160;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.article-prev-next .pn-label { display: block; font-size: 12px; color: #999; margin-bottom: 6px; }
.article-prev-next .pn-title { font-size: 15px; font-weight: 600; }
.article-prev-next .pn-next { text-align: right; }
@media(max-width:600px){
    .article-prev-next { grid-template-columns: 1fr; }
    .article-prev-next .pn-next { text-align: left; }
}

/* TOC 目录 */
.article-toc {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding: 16px;
    background: #f7f8fa;
    border-radius: 10px;
    border: 1px solid #eee;
    font-size: 14px;
    line-height: 1.8;
}
.article-toc h4 { font-size: 14px; margin-bottom: 10px; color: #555; font-weight: 600; }
.article-toc a { display: block; color: #999; text-decoration: none; padding: 2px 0 2px 12px; border-left: 2px solid transparent; transition: all 0.2s; }
.article-toc a:hover, .article-toc a.toc-active { color: #07C160; border-left-color: #07C160; }
.article-toc .toc-h3 { padding-left: 28px; font-size: 13px; }

.article-layout-with-toc {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
}
@media(max-width:960px){
    .article-layout-with-toc { grid-template-columns: 1fr; }
    .article-toc { display: none; }
}