.mr20 {
    margin-right: 20px;
}

.syb-footer-mobile {
    display: none;
}

/* 响应式设计 - 平板端 */
@media screen and (min-width: 821px) {
    .syb-isPc {
        display: block;
    }

    .syb-isMobile {
        display: none;
    }

    .syb-login2__close-mobile {
        display: none;
    }
    .syb-dialogo-flex{
        
    }
    .syb-login2__close-mobile{
        display: none;
    }
}

/* 响应式设计 - 手机端 */
@media screen and (max-width: 820px) {
    .syb-isPc {
        display: none;
    }
    
    .syb-footer-mobile {
        display: flex;
        width: 100%;
    }

    .syb-footer__service_bottom {
        width: 100%;
        font-size: 12px;
    }

    .syb-isMobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        padding: 0 12px;
    }
    .syb-dialogo-flex{
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .syb-login2__close-mobile {
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #b7b5b5 !important;
        color: #333;
    }
    .syb-login2__button{
        width: calc(50% - 10px);
    }
    .header-container {
        position: relative;
        height: 60px;
    }

    /* 移动端菜单按钮 */
    .syb-mobile-menu-btn {
        display: flex;
        align-items: center;
        width: 80px;
        height: 60px;
        cursor: pointer;
        padding: 5px;
        z-index: 1001;
    }
    .syb-mobile-menu-btn  img{
        width: 24px;
        height: 24px;
    }
    .syb-mobile-menu-btn span {
        display: block;
        height: 3px;
        width: 20px !important;
        background: #333;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .syb-mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .syb-mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
       
    }

    .syb-mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .syb_mobile_logo {
        width: 160px;
    }

    .syb_mobile_login {
        width: 80px;
    }

    /* 移动端下拉菜单样式 */
    .syb-mobile-dropdown {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 9999;
        visibility: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }

    .syb-mobile-dropdown.show {
        visibility: visible;
        opacity: 1;
    }

    .syb-mobile-dropdown__mask {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1;
    }

    .syb-mobile-dropdown__content {
        position: absolute;
        top: 60px;
        left: 0;
        width: 110px;
        max-height: calc(100vh - 60px);
        background: #fff;
        z-index: 2;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .syb-mobile-dropdown.show .syb-mobile-dropdown__content {
        transform: translateY(0);
    }

    .syb-mobile-dropdown__section {
        border-bottom: 1px solid #eee;
        padding: 20px 0;
    }

    .syb-mobile-dropdown__title {
        font-size: 16px;
        font-weight: bold;
        color: #333;
        padding: 0 20px 10px;
        border-bottom: 1px solid #f0f0f0;
        margin-bottom: 10px;
    }

    .syb-mobile-dropdown__item {
        padding: 0;
    }

    .syb-mobile-dropdown__item a {
        display: flex;
        align-items: center;
        padding: 12px 20px;
        color: #666;
        text-decoration: none;
        font-size: 14px;
        transition: background-color 0.2s ease;
    }

    .syb-mobile-dropdown__item a:hover {
        background-color: #f5f5f5;
        color: #c6231d;
    }

    .syb-mobile-dropdown__item .syb-topnav__icon {
        margin-right: 10px;
        width: 20px;
        height: 20px;
        background-size: contain;
    }

    /* 防止页面滚动 */
    body.mobile-menu-open {
        overflow: hidden;
    }

    .syb-homepage__product_item {
        width: calc(33.3% - 10px);
        height: auto;
    }

    .syb-homepage__product_item img {
        width: 100%;
        height: 100%;
    }

    .syb-footer {
        display: none;
    }
    /* 产品分类2级页面 */
    .syb-productClassification2-main{
        min-height: calc(100vh - 110px);
    }
    .syb-product-category__list1{
        flex-wrap: wrap;
        justify-content: space-between;
    }
   
   
}

/* 响应式设计 - 平板端 */
@media screen and (max-width: 480px) {
    .syb-homepage__product_item {
        width: calc(50% - 10px);
        height: auto;
    }

    .syb-homepage__product_item img {
        width: 100%;
        height: 100%;
    }

    .auto-content {
        width: 94%;
    }
}

/* 导航分割线样式 */
.nav-divider {
    width: 1px;
    height: 20px;
    background-color: #e0e0e0;
    margin: 0 15px;
    align-self: center;
}

/* 响应式设计 - 平板端 */