/* 分类导航 */
.category-nav {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 85px;
    z-index: 999;
}

.category-nav .container {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    padding: 15px 0;
    gap: 5px;
}

.category-item {
    padding: 8px 18px;
    background-color: var(--primary-gray);
    color: var(--medium-gray);
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s;
    cursor: pointer;
}

.category-item:hover, .category-item.active {
    background-color: var(--primary-blue);
    color: var(--white);
}


/* ============================================
   小屏手机优化 (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .category-item{
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 12px;
        margin-top: 115px;
    }
}