/* 分类标签容器 */
.productsub3-tabs {
    display: flex;
    align-items: center;
    gap: 50px;
    border-bottom: 1px solid #E5E5E5;
    margin-bottom: 30px;
}

/* 标签项 */
.productsub3-tab-item {
    position: relative;
    padding: 15px 0;
    font-size: 23px;
    color: #333333;
    text-decoration: none;
    transition: color 0.3s ease;
    cursor: pointer;
}

/* 标签项鼠标悬停 */
.productsub3-tab-item:hover {
    color: #1E4B93;
}

/* 激活状态 */
.productsub3-tab-item.active {
    color: #1E4B93;
}

/* 激活状态下划线 */
.productsub3-tab-item.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 3px;
    background-color: #1E4B93;
}

/* 响应式设计 */
@media (max-width:991px) {
        .productsub3-tab-item {
            position: relative;
            padding: 15px 0;
            font-size: 18px;
        }
}
@media (max-width: 768px) {
    .productsub3-tabs {
        gap: 30px;
    }
    
    .productsub3-tab-item {
        font-size: 14px;
        padding: 12px 0;
    }
}