/* ============================================
   博客栏目导航 - 首页
   ============================================ */
.home-sections {
    padding: 3rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--body-text-color);
}

.section-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: var(--secondary-text-color);
    margin-bottom: 2.5rem;
}

.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.section-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--card-background);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.section-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--global-link-color);
}

.section-card:hover .card-arrow {
    transform: translateX(4px);
}

.section-card .card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--body-background);
    border-radius: 10px;
    font-size: 1.25rem;
    color: var(--global-link-color);
}

.section-card .card-body {
    flex: 1;
    min-width: 0;
}

.section-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--body-text-color);
}

.section-card .card-description {
    font-size: 0.8rem;
    color: var(--secondary-text-color);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.section-card .card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.section-card .post-count {
    font-size: 0.8rem;
    color: var(--secondary-text-color);
    white-space: nowrap;
}

.section-card .card-arrow {
    font-size: 0.75rem;
    color: var(--secondary-text-color);
    transition: transform 0.2s ease;
}

/* ============================================
   栏目页 - section-page
   ============================================ */
.section-body {
    max-width: 800px;
    margin: 0 auto 1.5rem;
    padding: 0 0.5rem;
}

.section-body h2,
.section-body h3,
.section-body h4 {
    margin-top: 1.5em;
    margin-bottom: 0.75em;
}

.section-body p {
    margin-bottom: 1em;
    line-height: 1.8;
}

.section-body ul,
.section-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1em;
}

.section-body li {
    margin-bottom: 0.25em;
    line-height: 1.8;
}

.section-body a {
    color: var(--global-link-color);
    text-decoration: none;
}

.section-body a:hover {
    text-decoration: underline;
}

.section-body blockquote {
    border-left: 4px solid var(--global-link-color);
    margin: 1em 0;
    padding: 0.5em 1em;
    background: var(--card-background);
    border-radius: 4px;
}
.section-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.section-header {
    text-align: center;
    padding: 2rem 0 1.5rem;
}

.section-header .section-icon {
    font-size: 3rem;
    color: var(--global-link-color);
    margin-bottom: 1rem;
}

.section-header .section-title {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.section-header .section-description {
    font-size: 1rem;
    color: var(--secondary-text-color);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.section-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0 2rem;
}

.section-page .group-title {
    font-size: 1.1rem;
    color: var(--body-text-color);
    margin: 1.5rem 0 0.75rem;
}

.section-page .archive-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px dashed var(--border-color);
}

.section-page .archive-item:hover {
    background: var(--card-background);
}

.section-page .archive-item-link {
    color: var(--body-text-color);
    text-decoration: none;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section-page .archive-item-link:hover {
    color: var(--global-link-color);
}

.section-page .archive-item-date {
    flex-shrink: 0;
    margin-left: 1rem;
    font-size: 0.85rem;
    color: var(--secondary-text-color);
}

.section-page .empty-state {
    text-align: center;
    color: var(--secondary-text-color);
    padding: 3rem 0;
}

/* ============================================
   最近更新
   ============================================ */
.recent-posts-section {
    padding: 3rem 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.recent-posts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recent-post-item {
    padding: 1rem;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.recent-post-item:hover {
    background: var(--card-background);
}

.post-title {
    font-size: 1.1rem;
    color: var(--body-text-color);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.post-title:hover {
    color: var(--global-link-color);
}

.post-meta {
    font-size: 0.85rem;
    color: var(--secondary-text-color);
}

.post-date {
    margin-right: 1rem;
}

.post-category {
    font-style: italic;
}