.header .header-nav-item:nth-child(2)::after{
    width: 60%;
}
.product_info {
    margin: 40px auto;
    width: 1200px;
}

.product_info .product_title{
    font-weight: bold;
    font-size: 24px;
    color: #1A1A1A;
    line-height: 27px;
    margin-bottom: 30px;
}


.product_info .info_left_box{
    width: 724px;
    float: left;
    position: relative;
}
.product_info .info_left_box .mainSwiper{
    width: 635px;
    aspect-ratio: 635 / 555;
    margin-right: 0;
    background: #F5F7FB;
    float: right;
    border-radius: 12px;
}
.product_info .info_left_box .swiper-slide{
    width: 100%;
}
.product_info .info_left_box .swiper-slide img,
.product_info .info_left_box .swiper-slide video{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product_info .info_left_box .thumbSwiper{
    height: 411px;
    margin-top: 73px;
    float: left;
}
.product_info .info_left_box .thumbSwiper .swiper-slide{
    width: 69px;
    height: 69px!important;
    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;
}
.swiper-button-prev,
.swiper-button-next{
    position: absolute;
    top: 94px;
    left: 20px;
    width: 30px;
    height: 30px;
}
.swiper-button-next{
    top: auto;
    bottom: 27px;
}
.swiper-button-prev:after,.swiper-button-next:after{
    content: "";
    width: 30px;
    height: 30px;
    background: url("../images/product-info-arrow-left.webp") no-repeat center;
}
.swiper-button-next:after{
    background: url("../images/product-info-arrow-right.webp") no-repeat center;
}


/**
 * products input styles
 ***/
.info_right_box{
    width: 446px;
    border-radius: 12px;
    box-shadow: 0px 0px 10px 1px rgba(0,0,0,0.3);
    float: right;
    padding: 30px 20px;
    margin-top: 50px;
}
.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_tips{
    width: auto;
    display: inline-block;
    font-size: 12px;
    color: #FFFFFF;
    background: #DA251C;
    line-height: 28px;
    padding: 0 10px;
    margin-top: 20px;
}
.info_right_box .info_right_item{
    display: grid;
    grid-template-columns: 117px 1fr;
    height: 49px;
    line-height: 49px;
    border-bottom: 1px solid #EBEBEB;
}
.info_right_box .info_right_item.info_right_item_capacity{
    border-top: 1px solid #EBEBEB;
    margin-top: 20px;
}
.info_right_box .info_right_item .info_right_item_title{
    font-size: 16px;
    color: #333333;

}
.info_right_box .info_right_item .info_right_item_content{
    font-weight: bold;
    font-size: 16px;
    color: #000000;
}

.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_file{
    margin-top: 20px;
    font-size: 16px;
    color: #000000;
    line-height: 27px;
    cursor: pointer;
}
.info_right_box .info_right_file span{
    margin: 0 16px;
}
.info_right_box .info_right_btn{
    width: 160px;
    height: 50px;
    border-radius: 8px;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 50px;
    margin-top: 20px;
    cursor: pointer;
    padding-left: 63px;
    background: #DA251C url(../images/submit.webp) no-repeat 37px center;
}


.content .product-list{
    width: 100%;
    margin: 0 auto;
}
.content .product-list .product-item{
    width: 24%;
    margin-right: 1.333%;
    float: left;
    cursor: pointer;
}
.content .product-list .product-item:nth-child(4n){
    margin-right: 0;
}
.content .product-list .product-item .product-list-img{
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}
.content .product-list .product-item .product-list-img img{
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.content .product-list .product-item .product-list-title{
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 27px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin: 10px 0;
}
.content .product-list .product-item .product-list-apply{
    font-size: 12px;
    color: #666666;
    line-height: 18px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.content .product-list .product-item .product-list-more{
    font-size: 14px;
    color: #DA251C;
    margin-top: 10px;
}
.content .product-list .product-item .product-list-more a{
    color: #DA251C;
}
.content .product-list .swiper-slide:hover .product-list-img img{
    transform: scale(1.1);
}

.content .product-list .swiper-button-next,
.content .product-list .swiper-button-prev{
    width: 50px;
    height: 54px;
    background: #FFFFFF;
    font-size: 16px;
    color: #0C5BE2;
    top: 50%;
    border-radius: 2px;
    box-shadow: 0 0 8px 1px rgba(0,0,0,0.3);
}
.content .product-list .swiper-button-next{
    right: -25px;
}
.content .product-list .swiper-button-prev{
    left: -25px;
}
.content .product-list .swiper-button-next:hover,
.content .product-list .swiper-button-prev:hover{
    background: #0C5BE2;
    color: #FFFFFF;
}
.content .product-list .swiper-button-next:after,
.content .product-list .swiper-button-prev:after{
    font-size: 26px;
}


/**
 * product content styles
 **/
.product-content{
    width: 100%;
    margin: 60px auto;
}
.product-content .product-content-title{
    font-family: Arial, Arial;
    font-size: 20px;
    color: #333333;
    line-height: 54px;
    font-weight: bold;
    position: relative;
    margin-top: 30px;
    border-bottom: 2px solid #E6E6E6;
}
.product-content .product-content-title .product-content-title-arrow{
    background: url(../images/product-arrow.webp) no-repeat right center;
    width: 12px;
    height: 54px;
    display: inline-block;
    margin-right: 20px;
    float: right;
}
.product-content .product-content-text{
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
    margin: 20px 0;
}
.product-content .product-content-text p,
.product-content .product-content-text span{
    text-wrap: wrap !important;
}
.product-content .product-content-case{
    margin: 20px auto 30px;
}
.product-content .product-content-case ul{
    display: flex;
    flex-wrap: wrap;
}
.product-content .product-content-case ul .product-content-case-item{
    width: 24%;
    margin-right: 1.3%;
    cursor: pointer;
    overflow: hidden;
}
.product-content .product-content-case ul .product-content-case-item:nth-child(4n){
    margin-right: 0;
}
.product-content .product-content-case ul .product-content-case-item img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.product-content .product-content-case ul .product-content-case-item:hover img{
    transform: scale(1.1);
}
.product-content .product-content-certificate{
    margin: 20px auto 30px;
}
.product-content .product-content-certificate ul{
    display: flex;
    flex-wrap: wrap;
}
.product-content .product-content-certificate ul .product-content-certificate-item{
    width: 19%;
    margin-right: 1.2%;
    cursor: pointer;
    overflow: hidden;
}
.product-content .product-content-certificate ul .product-content-certificate-item:nth-child(5n){
    margin-right: 0;
}
.product-content .product-content-certificate ul .product-content-certificate-item img{
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.product-content .product-content-certificate ul .product-content-certificate-item:hover img{
    transform: scale(1.1);
}

.product-content .product-item.active .product-content-title .product-content-title-arrow{
    transform: rotate(180deg);
}
.product-content .product-item.active .product-content-text,
.product-content .product-item.active .product-content-case,
.product-content .product-item.active .product-content-certificate{
    display: none;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .product_info{
        width: 900px;
    }
    .product_info .info_left_box{
        width: 543px;
    }
    .product_info .info_left_box .mainSwiper{
        width: 476px;
    }
    .product_info .info_left_box .thumbSwiper{
        height: 308px;
        margin-top: 55px;
    }
    .product_info .info_left_box .thumbSwiper .swiper-slide{
        width: 52px;
        height: 52px!important;
    }
    .swiper-button-prev, .swiper-button-next{
        left: 12px;
    }
    .swiper-button-next{
        bottom: 16px;
    }

    .info_right_box{
        width: 340px;
        padding: 10px;
    }
    .info_right_box .info_right_tips{
        line-height: 20px;
        margin-top: 10px;
    }
    .info_right_box .info_right_item.info_right_item_capacity{
        margin-top: 10px;
    }
    .info_right_box .info_right_item{
        height: 40px;
        line-height: 40px;
    }
    .info_right_box .info_right_apply{
        margin-top: 10px;
    }
    .info_right_box .info_right_file{
        margin-top: 10px;
    }
    .info_right_box .info_right_btn{
        margin-top: 10px;
    }
}
@media only screen and (max-width: 1000px) {
    .product_info{
        width: 700px;
    }
    .product_info .info_left_box{
        width: 700px;
        margin: 40px auto;
        float: none;
    }
    .product_info .info_left_box .mainSwiper{
        width: 610px;
    }
    .product_info .info_left_box .thumbSwiper{
        margin-top: 60px;
    }
    .swiper-button-next{
        bottom: 16px;
    }

    .info_right_box{
        width: 100%;
        padding: 10px;
    }
    .info_right_box .info_right_tips{
        line-height: 20px;
        margin-top: 10px;
    }
    .info_right_box .info_right_item.info_right_item_capacity{
        margin-top: 10px;
    }
    .info_right_box .info_right_item{
        height: 40px;
        line-height: 40px;
    }
    .info_right_box .info_right_apply{
        margin-top: 10px;
    }
    .info_right_box .info_right_file{
        margin-top: 10px;
    }
    .info_right_box .info_right_btn{
        margin-top: 10px;
    }
}