/* Knowledge Index Page */
.category-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 15px;
    background: #fff;
    margin-bottom: 10px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    text-align: center;
}

.category-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.category-item span {
    font-size: 13px;
    color: var(--text-color);
    font-weight: 500;
}

.category-item em {
    font-size: 11px;
    color: var(--text-muted);
    font-style: normal;
    margin-top: 4px;
}

/* Knowledge Show Page */
.article-meta {
    display: flex;
    gap: 20px;
    padding: 10px 15px;
    background: #fff;
    font-size: 13px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.article-meta i {
    margin-right: 5px;
}

.article-content {
    background: #fff;
    padding: 15px;
    margin-bottom: 10px;
}

.article-content .summary {
    padding: 12px 15px;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.content-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-color);
}

.content-body p {
    margin-bottom: 15px;
}

.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.content-body .article-img {
    text-align: center;
    margin: 20px 0;
}

.content-body .article-img img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.quick-action {
    padding: 15px;
    background: #fff;
    margin-bottom: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--accent-color);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
}

/* Article List */
.article-list {
    background: #fff;
}

.article-item {
    display: block;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.article-item:last-child {
    border-bottom: none;
}

.article-item .title {
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 8px;
}

.article-item .meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    gap: 15px;
}

/* Question List */
.question-list {
    background: #fff;
}

.question-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.question-item:last-child {
    border-bottom: none;
}

.question-item .tag {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.question-item .text {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

/* News List */
.news-list {
    background: #fff;
}

.news-item {
    display: block;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.news-item:last-child {
    border-bottom: none;
}

.news-item .title {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

/* Tags */
.category-tags, .brand-tags, .shop-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 15px 15px;
}

.category-tag, .brand-tag {
    padding: 8px 14px;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.shop-tag {
    padding: 8px 14px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    font-size: 13px;
    color: #495057;
    border: 1px solid #dee2e6;
}

.shop-tag:active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* Bottom CTA */
.bottom-cta {
    padding: 15px;
    padding-bottom: 30px;
}

.cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--primary-color);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 15px;
    background: #fff;
    margin-bottom: 10px;
    overflow-x: auto;
}

.filter-item {
    padding: 6px 12px;
    background: var(--bg-color);
    border-radius: 15px;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-item.active {
    background: var(--primary-color);
    color: #fff;
}