/* ========================================
   左侧分类导航组件样式
   ======================================== */

.post-sidebar-left {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.category-nav {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.category-nav-item {
    display: block;
    padding: 13px 20px;
    color: #4b5563;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.category-nav-item:hover {
    background-color: #f9fafb;
    color: #FF6A00;
}

.category-nav-item.active {
    background-color: #fff5f0;
    color: #FF6A00;
    border-left-color: #FF6A00;
    font-weight: 500;
}

/* 响应式 - 平板和手机隐藏 */
@media (max-width: 1024px) {
    .post-sidebar-left {
        display: none;
    }
}