.main-content{
    max-width: 1440px;
    margin: 80px auto;
}
.main-content .search_warp{
    width: 387px;
    float: left;
}
/*** product category ***/
.main-content .search_warp .category{
    width: 100%;
    height: auto;
    padding: 30px 30px 20px 30px;
    border: 1px solid #ECECEC;
}
.main-content .search_warp .category .category_title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 30px;
    color: #333333;
    line-height: 30px;
    font-style: italic;
}
.main-content .search_warp .category .category_line{
    width: 327px;
    height: 2px;
    background: #2980D3;
    margin: 30px auto;
}
.main-content .search_warp .category .category_search{
    width: 327px;
    height: 50px;
    border: 1px solid #C6C6C6;
}
.main-content .search_warp .category .category_search .search_input{
    width: 275px;
    height: 100%;
    padding-left: 20px;
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 48px;
    border: none;
    background: none;
    outline:none;
    float: left;
}
.main-content .search_warp .category .category_search .search_input:focus{
    border: none;
}
.main-content .search_warp .category .category_search .search_btn{
    width: 50px;
    height: 48px;
    background: #2980D3;
    border: none;
    font-family: Arial, Arial;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 50px;
    text-align: center;
    cursor: pointer;
    float: left;
    display: grid;
    justify-content: center;
    align-content: center;
}
.main-content .search_warp .category .category_search .search_btn img{
    width: 20px;
    height: 20px;
}
.main-content .search_warp .category .category_list{
    width: 327px;
    height: auto;
    padding-top: 20px;

}
.main-content .search_warp .category .category_list .category_item{
    margin-bottom: 10px;
    cursor: pointer;
}
.main-content .search_warp .category .category_list .category_item .category_item_title{
    width: 100%;
    height: 50px;
    font-family: Arial, Arial;
    font-size: 16px;
    background-color: #F3F2F9;
    color: #333333;
    line-height: 50px;
    cursor: pointer;
    padding-left: 20px;
    position: relative;
}
.main-content .search_warp .category .category_list .category_item .category_item_title .category_item_icon{
    position: absolute;
    width: 8px;
    height: 12px;
    right: 20px;
    top: 19px;
    background: url(../images/arrow.png) no-repeat;
}
.main-content .search_warp .category .category_list .category_item .category_item_list{
    width: 100%;
    height: auto;
    display: none;
}
.main-content .search_warp .category .category_list .category_item .category_item_list .category_item_list_item{
    height: 48px;
    line-height: 48px;
    padding-left: 20px;
    background-color: #F3F2F9;
    border-bottom: 1px solid #ECECEC;
    cursor: pointer;
}
.main-content .search_warp .category .category_list .category_item .category_item_list .category_item_list_item:last-child{
    border-bottom: none;
}

.main-content .search_warp .category .category_list .category_item.active .category_item_title{
    background-color: #2980D3;
    color: #FFFFFF;
}
.main-content .search_warp .category .category_list .category_item.active .category_item_title .category_item_icon {
    width: 12px;
    height: 8px;
    right: 18px;
    top: 21px;
    background: url(../images/arrow-active.png) no-repeat;
}
.main-content .search_warp .category .category_list .category_item .category_item_list.show{
    display: block;
}
.main-content .search_warp .category .category_list .category_item.active .category_item_list .category_item_list_item.active{
    color: #2980D3;
}
.main-content .search_warp .category .category_list .category_item .category_item_list .category_item_list_item:hover{
    color: #2980D3;
}

/**** product industries ****/
.main-content .search_warp .industries{
    width: 100%;
    height: auto;
    padding: 30px;
    border: 1px solid #ECECEC;
    margin-top: 30px;
}
.main-content .search_warp .industries .industries_title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 30px;
    color: #333333;
    line-height: 30px;
    font-style: italic;
}
.main-content .search_warp .industries .industries_line{
    width: 327px;
    height: 2px;
    background: #2980D3;
    margin: 30px auto;
}
.main-content .search_warp .industries .industries_list{
    width: 100%;
    height: auto;

}
.main-content .search_warp .industries .industries_list .industries_item{
    width: 100%;
    height: 50px;
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 50px;
    text-align: center;
    background-color: #F3F2F9;
    cursor: pointer;
    margin-bottom: 10px;
}
.main-content .search_warp .industries .industries_list .industries_item:last-child{
    margin-bottom: 0;
}
.main-content .search_warp .industries .industries_list .industries_item.active{
    background-color: #2980D3;
    color: #FFFFFF;
}


/**** product list style ****/
.product_list_warp{
    max-width: 1023px;
    height: auto;
    margin-left: 30px;
    float: left;
}
.product_list{
}
.product_list .product_item{
    width: 321px;
    height: 412px;
    margin-bottom: 30px;
    margin-right: 30px;
    float: left;
}
.product_list .product_item:nth-child(3n){
    margin-right: 0;
}
.product_list .product_item .product_list_item_img{
    width: 100%;
    height: 321px;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
}
.product_list .product_item .product_list_item_img img{
    width: 100%;
    height: 100%;
}
.product_list .product_item .product_list_item_img::before {
    position: absolute;
    top: 0;
    left: -100%;
    z-index: 2;
    display: block;
    content: '';
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 100%);
    transform: skewX(-25deg);
}
.product_list .product_item:hover .product_list_item_img::before {
    -webkit-animation: shine .75s;
    animation: shine .75s;
}
@-webkit-keyframes shine {
    100% {
        left: 125%;
    }
}
@keyframes shine {
    100% {
        left: 100%;
    }
}
.product_list .product_item .product_list_item_title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    line-height: 30px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.product_list .product_item .product_list_item_category{
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 24px;
    margin-top: 10px;
}
.product_list .product_item:hover .product_list_item_title, .product_list .product_item:hover .product_list_item_category{
    color: #2980D3;
}
.product_list .product_item .product_list_item_btn div{
    margin-top: 10px;
    float: left;
    width: 100px;
    height: 36px;
    background: #2980D3;
    border-radius: 25px;
    line-height: 36px;
    text-align: center;
    color: #FFFFFF;
    cursor: pointer;
    font-size: 12px;
}
.product_list .product_item .product_list_item_btn .product_list_item_btn_download{
    background-color: #FFBE53;
    margin-left: 20px;
}


@media only screen and (min-width: 1080px) and (max-width: 1440px) {
    .main-content{
        max-width: 1080px;
    }
    .main-content .search_warp{
        width: 280px;
    }
    .main-content .search_warp .category{
        padding: 30px 10px 20px 10px;
    }
    .main-content .search_warp .category .category_line{
        width: 100%;
    }
    .main-content .search_warp .category .category_search{
        width: 260px;
        height: 40px;
    }
    .main-content .search_warp .category .category_search .search_input{
        width: 218px;
        line-height: 38px;
    }
    .main-content .search_warp .category .category_search .search_btn{
        width: 40px;
        height: 38px;
    }
    .main-content .search_warp .category .category_list{
        width: 260px;
    }
    .main-content .search_warp .category .category_list .category_item .category_item_list .category_item_list_item{
        font-size: 12px;
    }
    .main-content .search_warp .industries{
        padding: 30px 10px;
    }
    .main-content .search_warp .industries .industries_line{
        width: 100%;
    }

    .product_list_warp{
        max-width: 780px;
        margin-left: 20px;
    }
    .product_list .product_item{
        width: 230px;
        height: 290px;
    }
    .product_list .product_item .product_list_item_img{
        height: 230px;
        margin-bottom: 5px;
    }
    .product_list .product_item .product_list_item_title{
        font-size: 14px;
        line-height: 24px;
        height: auto;
    }
    .product_list .product_item .product_list_item_category{
        font-size: 14px;
    }
    .product_list .product_item .product_list_item_btn div{
        width: 80px;
        height: 30px;
        line-height: 30px;
    }
}

@media only screen and (min-width: 800px) and (max-width: 1080px) {
    .main-content{
        max-width: 800px;
    }
    .main-content .search_warp{
        width: 280px;
    }
    .main-content .search_warp .category{
        padding: 30px 10px 20px 10px;
    }
    .main-content .search_warp .category .category_line{
        width: 100%;
    }
    .main-content .search_warp .category .category_search{
        width: 260px;
        height: 40px;
    }
    .main-content .search_warp .category .category_search .search_input{
        width: 218px;
        line-height: 38px;
    }
    .main-content .search_warp .category .category_search .search_btn{
        width: 40px;
        height: 38px;
    }
    .main-content .search_warp .category .category_list{
        width: 260px;
    }
    .main-content .search_warp .category .category_list .category_item .category_item_list .category_item_list_item{
        font-size: 12px;
    }
    .main-content .search_warp .industries{
        padding: 30px 10px;
    }
    .main-content .search_warp .industries .industries_line{
        width: 100%;
    }

    .product_list_warp{
        max-width: 500px;
        margin-left: 20px;
    }
    .product_list .product_item{
        width: 230px;
        height: 290px;
    }
    .product_list .product_item:nth-child(3n){
        margin-right: 30px;
    }
    .product_list .product_item:nth-child(2n){
        margin-right: 0;
    }
    .product_list .product_item .product_list_item_img{
        height: 230px;
        margin-bottom: 5px;
    }
    .product_list .product_item .product_list_item_title{
        font-size: 14px;
        line-height: 24px;
        height: auto;
    }
    .product_list .product_item .product_list_item_category{
        font-size: 14px;
    }
    .product_list .product_item .product_list_item_btn div{
        width: 80px;
        height: 30px;
        line-height: 30px;
    }
}