.main-content-layout {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    margin-bottom: 48px;
}

/* Sidebar Column */
.sidebar-col {
    width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 96px;
    align-self: flex-start;
}

.sidebar-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.sidebar-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 16px;
}

/* Tag Cloud Pills */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-pill {
    background-color: #f1f5f9;
    color: var(--text-body);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.tag-pill:hover {
    background-color: var(--primary-light);
    color: var(--primary-blue);
}

/* Right Articles List Column */
.articles-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.articles-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.articles-header.is-filtered::after {
    content: '已筛选';
    margin-left: auto;
    margin-right: 14px;
    padding: 3px 8px;
    border: 1px solid var(--primary-border);
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary-blue);
    font-size: 11px;
    font-weight: 600;
}

.articles-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: 10px;
}

.articles-title::before {
    content: "";
    width: 4px;
    height: 18px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

/* Article Cards List */
.article-cards-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.article-item-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    gap: 24px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    position: relative;
}

.article-item-card[hidden],
[data-support-filter][hidden] {
    display: none !important;
}

.support-filter-token {
    display: none;
}

.support-page .article-item-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(77, 111, 249, 0.12);
    border-color: var(--primary-border);
}

.article-thumb {
    width: 160px;
    height: 112px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background-color: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-graphic-box {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ecf1ff 0%, #e2ebff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.thumb-graphic-icon {
    width: 42px;
    height: 42px;
}

.article-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-item-title {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 6px;
    transition: color 0.2s ease;
}

.article-item-card:hover .article-item-title {
    color: var(--primary-blue);
}

.article-item-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.article-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.article-tags-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-tag-pill {
    background-color: #ecf1ff;
    color: var(--primary-blue);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
}

.article-meta-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--text-light);
}

.meta-icon-sm {
    width: 13px;
    height: 13px;
    color: #94a3b8;
    margin-right: 4px;
    vertical-align: -2px;
}

/* ==================== Pagination Bar (与右侧文章列表垂直居中) ==================== */