.header .header-nav .nav-item:nth-child(2)::after{
    content: "";
}
.header .header-nav .nav-item:nth-child(2)>a{
    color: #0070D9;
}
.product_info {
    margin: 40px auto;
}

.product_info .product_title{
    font-weight: bold;
    font-size: 24px;
    color: #1A1A1A;
    line-height: 27px;
    margin-bottom: 20px;
}


.product_info .info_left_box{
    width: 49%;
    float: left;
    position: relative;
}
.product_info .info_left_box .mainSwiper{
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-right: 0;
    background: #F5F7FB;
}
.product_info .info_left_box .swiper-slide{
    width: 100%;
}
.product_info .info_left_box .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product_info .info_left_box .thumbSwiper{
    width: 80%;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;

}
.product_info .info_left_box .thumbSwiper .swiper-slide{
    aspect-ratio: 1 / 1;
    border: 1px solid #ECECEC;
    margin-bottom: 16px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
}
.product_info .info_left_box .thumbSwiper .swiper-slide.swiper-slide-thumb-active {
    border: 1px solid #00367D;
}


/**
 * products input styles
 ***/
.info_right_box{
    width: 49%;
    box-shadow: 0px 0px 10px 1px rgba(0,0,0,0.3);
    float: right;
    padding: 30px 20px;
}
.info_right_box .info_right_mark{
    font-size: 16px;
    color: #1A1A1A;
    line-height: 23px;
    display: flex;
}
.info_right_box .info_right_mark .info_right_mark_img{
    height: 23px;
}
.info_right_box .info_right_mark .info_right_mark_img img{
    height: 100%;
    margin-left: 10px;
}
.info_right_box .info_right-param{
    border-top: 1px solid #EBEBEB;
    margin-top: 20px;
}
.info_right_box .info_right-param li{
    display: grid;
    grid-template-columns: 120px 1fr;
    height: 49px;
    line-height: 20px;
    border-bottom: 1px solid #EBEBEB;
    font-weight: bold;
    font-size: 16px;
    color: #1A1A1A;
    align-items: center;
}
.info_right_box .info_right-param li span{
    font-weight: normal;
    font-size: 16px;
    color: #666666;

}
.info_right_box .info_right_apply{
    margin-top: 20px;
    font-size: 16px;
    color: #000000;
    line-height: 24px;
}
.info_right_box .info_right_apply span{
    color: #505050;
}

.info_right_box .info_right_btn_wrap{
    margin-top: 20px;
    display: flex;
}
.info_right_box .info_right_btn{
    width: 206px;
    height: 50px;
    border-radius: 25px;
    background: #0070D9;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 50px;
    cursor: pointer;
    text-align: center;
}


.content .product-list{
    width: 100%;
    margin: 30px auto;
    display: flex;
}
.content .product-list .product-item{
    width: 24%;
    margin-right: 1.33%;
}
.content .product-list .product-item:nth-child(4n){
    margin-right: 0;
}
.content .product-list .product-item .product-item-img{
    width: 100%;
    aspect-ratio: 1 / 1; /* 1:1 的宽高比，即高度等于宽度 */
    overflow: hidden;
}
.content .product-list .product-item .product-item-img img{
    width: 100%;
    height: 100%;
    transition: all .3s;
}
.content .product-list .product-item .product-item-title {
    font-weight: bold;
    font-size: 20px;
    color: #1A1A1A;
    line-height: 23px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin: 10px 0;
}
.content .product-list .product-item .product-item-more{
    font-size: 12px;
    color: #333333;
    line-height: 14px;
    margin-top: 10px;
}
.content .product-list .product-item .product-item-more img{
    width: 12px;
    height: 8px;
    margin-left: 10px;
}
.content .product-list .product-item .product-item-more img.active{
    display: none;
}
.content .product-list .product-item:hover .product-item-video-icon{
    display: block;
}
.content .product-list .product-item:hover .product-item-more{
    color: #0070D9;
}
.content .product-list .product-item:hover .product-item-more img.normal{
    display: none;
}
.content .product-list .product-item:hover .product-item-more img.active{
    display: inline-block;
}
.content .product-list .product-item:hover .product-item-img img{
    transform: scale(1.05);
}


/**
 * product content styles
 **/

.info_content {
    margin-top: 40px;
}
.info_content .info_content_title {
    height: 46px;
    border-bottom: 1px solid #E6E6E6;
}
.info_content .info_content_title .info_content_item {
    width: 176px;
    float: left;
    cursor: pointer;
    font-weight: bold;
    font-size: 20px;
    color: #1A1A1A;
    line-height: 46px;
    text-align: center;
    background-color: #F3F2F9;
    border-right: 1px solid #E6E6E6;
}
.info_content .info_content_title .info_content_item:last-child{
    border-right: none;
}
.info_content .info_content_title .info_content_item.active {
    background: #0070D9;
    color: #FFFFFF;
}
.info_content .info_content_content{
    margin-top: 20px;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
}
.info_content .info_content_content p,
.info_content .info_content_content span{
    text-wrap: wrap !important;
}
.info_content .info_content_content img,
.info_content .info_content_content embed{
    max-width: 100% !important;
}
.info_content .info_content_content .info_content_content_item{
    display: none;
}
.info_content .info_content_content .info_content_content_item.active{
    display: block;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .swiper-button-prev, .swiper-button-next{
        left: 12px;
    }
    .info_right_box{
        padding: 20px;
    }
    .product_info .product_title{
        font-size: 20px;
        line-height: 24px;
        margin-bottom: 10px;
    }

    .content .product-list{
        margin: 25px auto;
    }
    .content .product-list .product-item{
        margin-top: 20px;
    }
    .content .product-list .product-item .product-item-title{
        font-size: 18px;
        line-height: 22px;
        margin: 6px 0;
    }
    .content .product-list .product-item .product-item-more{
        margin-top: 6px;
    }

}
@media only screen and (max-width: 1000px) {
    .product_info{
        width: 700px;
        margin: 30px auto;
    }

    .info_right_box{
        padding: 10px;
    }
    .info_right_box .info_right-param{
        margin-top: 10px;
    }
    .product_info .product_title{
        font-size: 16px;
        line-height: 18px;
        margin-bottom: 6px;
    }
    .info_right_box .info_right-param li{
        font-size: 14px;
        height: 40px;
    }
    .info_right_box .info_right_apply{
        margin-top: 10px;
        font-size: 14px;
        line-height: 18px;
    }
    .info_right_box .info_right_btn_wrap{
        margin-top: 10px;
    }
    .info_right_box .info_right_btn{
        width: 180px;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
    }


    .content .product-list{
        margin: 20px auto;
    }
    .content .product-list .product-item{
        margin-top: 10px;
    }
    .content .product-list .product-item .product-item-title{
        font-size: 14px;
        line-height: 16px;
        margin: 2px 0;
    }
    .content .product-list .product-item .product-item-more{
        margin-top: 4px;
    }
}