._app{
    width: 100%;
}

.product_top_image {
    width: 100%;
    max-width: 1920px;
    height: 800px;
    margin: 0 auto;
    background: url("../images/product/banner.png") no-repeat;
    background-size: 1920px 800px;
    background-position: center center;
}

.bread {
    font-size: 14px;
    color: #333333;
    max-width: 1400px;
    margin: 0 auto;
    line-height: 1;
    margin-top: 48px;
}

.bread img {
    width: 12px;
    margin-right: 4px;
    position: relative;
    top: 2px;
}

.product-banner-box{
    width: 100%;
}
.content-main-box{
    width: 1400px;
    margin: 0 auto;
    padding-bottom: 60px;
    padding-top: 48px;
}
.breadcrumb-box{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: #333;
    padding: 47px 0 74px 0;
}
.breadcrumb-box>li:first-child{
    background: url(../images/product/breadcrumb-icon.png) no-repeat center left;
    padding-left: 22px;
}
.main-box{
    width: 100%;
    display: flex;
}
.main-box>.left-box{
    width: 310px;
    border-right: 1px dashed #e0e0e0;
}
.left-menu-box>.menu-title-box{
    padding-bottom: 10px;
}
.left-menu-box>.menu-title-box>.menu-title{
    font-size: 18px;
    font-weight: bold;
    color: #333;
    width: 260px;
    height: auto;
    line-height: 1.2;
    padding: 0 42px;
    border-radius: 30px;
    margin-bottom: 10px;
    cursor: pointer;
    min-height: 64px;
    display: flex;
    align-items: center;
}
.left-menu-box>.menu-title-box>.menu-title:hover{
    background-color: #fff;
    color: #004ea2;
}
.menu-item-box>.menu-item-title{
    padding: 0 42px;
    font-size: 16px;
    height: auto;
    line-height: 1.2;
    cursor: pointer;
    min-height: 42px;
    margin-bottom: 24px;
}
.menu-item-box>.menu-item-title:first-child{
    margin-top: 24px;
}
.menu-item-box>.menu-item-title:last-child{
    margin-bottom: 0;
}
.menu-item-box>.menu-item-title:hover{
    color: #004ea2;
}
.right-box{
    width: calc(100% - 311px);
    padding-left: 54px;
}
.right-box>.right-item-box>.right-header-box{
    min-height: 68px;
    border-bottom: 1px solid #e0e0e0;
}
.right-box .right-item-box{
    margin-bottom: 48px;
    display: none;
}
.right-box .right-item-box:nth-last-child(1) {
    margin-bottom: 0;
}
.right-box>.right-item-box>.right-header-box>.right-header-text{
    border-left: 4px solid #004ea2;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    padding-left: 18px;
    line-height: 1.2;
}
.list-item-box{
    padding: 36px 0;
}
.list-item-box .list-item-title{
    font-size: 24px;
    color: #333;
}
.list-item-main-box{
    display: grid;
    grid-template-columns: repeat(auto-fill, 330px);
    grid-gap: 20px;
}
.list-item-main-box .list-item{
    position: relative;
    height: 364px;
    border-radius: 10px;
    margin-top: 16px;
    text-align: center;
    padding-top: 30px;
    overflow: hidden;
    cursor: pointer;
}
.list-item-main-box .list-item:hover{
    background-color: #ffffff;
}
/*.list-item-main-box>.list-item:hover .item-title{*/
/*    color: #004ea2;*/
/*}*/
.list-item-main-box .list-item:hover .list-btn{
    bottom: 0;
    transition: bottom 0.5s;
}
.list-item-main-box .list-item .item-title{
    font-size: 18px;
    color: #333;
    font-weight: bold;
    padding: 0 16px;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    white-space: nowrap;
}
.list-item-main-box .list-item .item-lable{
    font-size: 14px;
    color: #999;
    margin-top: 10px;
    padding: 0 32px;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    white-space: nowrap;
}
.list-item-main-box .list-item .item-img{
    /*position: absolute;*/
    left: 0;
    right: 0;
    bottom: 0;
    padding-bottom: 16px;
    width: 100%;
}
.list-item-main-box .list-item .item-img>img{
   height: auto;margin-top: -4%;
   width: auto;
}
.list-item-main-box .list-item .list-btn{
   position: absolute;
   left: 0;
   right: 0;
   bottom: -52px;
   background-color: rgba(0,0,0,0.4);
   height:52px;
}
.list-item-main-box .list-item .list-btn>span{
    cursor: pointer;
    font-size: 16px;
    color: #fff;
    line-height: 52px;
    vertical-align: middle;
}
.list-item-main-box .list-item .list-btn span:hover{
    color: #004ea2;
}
.list-item-main-box .list-item .list-btn span:hover::after{
    color: #004ea2;
}
.list-item-main-box .list-item .list-btn span::after{
    content: "＞";
    font-size: 16px;
    color: #fff;
}

@media (max-width:1400px) {
    .content-main-box{
        width: 1200px;
    }
    .breadcrumb-box{
        padding: 24px 0 32px 0;
    }
    .main-box>.left-box{
        width: 280px
    }

}

@media (max-width:1200px) {
    .content-main-box{
        width: 100%;
    }
    .breadcrumb-box{
        padding: 16px 0 24px 0;
    }
    .main-box>.left-box{
        width: 260px;
    }
    .main-box>.right-box{
        width: calc(100% - 261px);
        padding-left: 18px;
    }
}

@media (max-width:680px){
    .right-box .right-item-box{
        margin-bottom: 12px;
    }
    .right-box>.right-item-box>.right-header-box>.right-header-text{
        font-size: 20px;
    }
    .list-item-box>.list-item-title{
        font-size: 18px;
    }
    .content-main-box{
        padding-top: 24px;
    }
    .bread{
        display: none;
    }
    .product_top_image{
        width: 100%;
        height: 260px;
        background: url("../images/product/banner_h5.jpg") no-repeat;
        background-position: center center;
        background-size: cover;
    }
    .main-box>.left-box,.breadcrumb-box{
        display: none;
    }
    .right-box>.right-item-box>.right-header-box{
        min-height: 48px;
    }
    .main-box>.right-box{
        width: 100%;
        padding: 16px;
    }
    .list-item-box{
        padding: 24px 0;
    }
    .list-item-main-box{
        overflow: hidden;
    }
    .list-item-main-box>.list-item{
        margin-top: 24px;
        height: auto;
        width: 48%;
        background: #FFFFFF;
        float: left;
        margin-right: 4%;
    }
    .list-item-main-box>.list-item:nth-child(even){
        margin-right: 0
    }
    .list-item-main-box>.list-item .list-btn{
        display: none;
    }
    .list-item-main-box>.list-item>.item-img{
        padding-bottom: 0;
    }
    .list-item-main-box{
        display: block;
    }
}