body,p,ul{
    padding: 0;margin: 0;
}

.category{
    padding: 40px 0;
    background-color: #F2F4F7;
}
.category>.c-content{
    width: 79.1%;
    height: 40px;
    margin: auto;
    overflow: hidden;
}
.category>.c-content .head{
    display: inline-block;
    width: 130px;
    border-right: 1px solid #CCCCCC;
    height: 40px;
    float: left;
    margin-right: 30px;
}
.category>.c-content .head .title
{
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 21px;
    color: #262626;
    opacity: 1;
}
.category>.c-content .head .desc
{
    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 21px;
    color: #999999;
    opacity: 1;
    margin-top: 3px;
}

.category>.c-content .item{
    display: inline-block;
    min-width: 8.2%;
    height: 38px;
    text-align: center;
    line-height: 40px;
    border:  1px solid #CCCCCC;
    margin-right: 20px;

    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #262626;
    opacity: 1;
    float: left;
    padding: 0 13px;
    cursor: pointer;
}

.category>.c-content .item:hover,.category>.c-content .item.active
{
    background-color: #007aff;
    color: white;
}

.category form{
    float: right;
    width: 300px;
    display: inline-block;
    height: 40px;
}

.category>.c-content  form .search-box{
    width: 216px;
    border: 1px solid #CCCCCC;
    height: 38px;
    line-height: 38px;
    border-right: none;
}

.category>.c-content  form .search-box input{
    border: none;
    background:none ;
    display: inline-block;
    width: 110px;
    height: 100%;
    text-decoration: none;
    outline:0px;
}
.category>.c-content  form button{
    display: inline-block;
    background-color: #007aff;
    color: white;
    text-decoration: none;
    border: none;
    width: 80px;
    height: 40px;

    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 21px;
    color: #FFFFFF;
    opacity: 1;
    padding: 0;
    margin: 0;
    outline:0px;
}

.category>.c-content  form i{
    display: inline-block;margin-left: 4px;
}


.c-content{
    width: 79.1%;
}



.list{
    list-style: none;
    text-align-last: justify;
    text-align: justify;
}

.list .litem{
    display: inline-block;
    width: 31.5%;
    height: 39.3%;
    background-color: #f7f7f7;
    cursor: pointer;
    margin-bottom: 30px;
}

.list .placeholder
{
    height: 0;
    padding: 0;
    margin: 0;
}

.list .litem .imp-wrapper{
    width: 100%;
    height: 80%;
    position: relative;
    overflow: hidden;
}


.list .litem .imp-wrapper .mask{
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1000;
}
.list .litem .imp-wrapper img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.list .litem .title{

    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    line-height:300%;
    color: #262626;
    opacity: 1;
    text-align: center;
    text-align-last: center;

}

.list .litem:hover
{
    box-shadow: 0 0 10px #888888;
}

.list .litem:hover .title,.list .litem:hover .iconfont{
    color: #007aff !important;
}
.list .litem:hover img{
    transition: 300ms;
    -webkit-transition: 300ms;
    transform: scale(1.06);
    -webkit-transform: scale(1.06);
}
.list .litem:hover .mask{
    display: block;
}

.box4{
    background-size: cover;
    background-repeat: no-repeat;
    height:216px;
    margin: auto;
    background-image: url(../images/prd_form_bg.png);
}
.box4>.lianx{
    width: 80%;
    height: 50px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.box4 .lianx input{
    display: inline-block;
    width: 23%;
    height: 40px;
    color: #CCCCCC;
}

.box4 .title{
    text-align: center;
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    line-height: 41px;
    color: #FFFFFF;
    opacity: 1;
}

.box4 .desc
{
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 24px;
    color: #FFFFFF;
    opacity: 1;
    text-align: center;
}




.jiuzhe{
    width: 305px;
    height: 45px;
    background-color: #1142A6;
    border: none;
    outline: none;
    overflow: hidden;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
    line-height: 45px;
}
.product-content{
    width: 80%;
    margin: 50px auto;
}
.product-content .left{
    float: left;
    width: 15vw;
}
.product-content .left .item{
    width: 100%;
    border: 1px solid #F0F0F0;
    padding: 30px;
    box-sizing: border-box;
    margin-bottom: 25px;
}
.product-content .left .product-title{
    font-size: 20px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #1142A6;
    line-height: 20px;
    border-left: 4px solid #1142A6;
    padding-left: 14px;
}
.product-content .left .item form{
    width: 100%;
    height: 45px;
    background:#F7F7F7;
    margin-top: 15px;
    overflow: hidden;
}
.product-content .left .item form button{
    width: 50px;
    height: 25px;
    float: left;
    margin-top: 10px;
    background: url(../images/search.png) no-repeat center center;
    display: block;
    border: none;
    outline: none;
    border-right: 1px solid #CCCCCC;
}
.product-content .left .item form input{
    display: block;
    width: calc(100% - 50px);
    float: left;
    height: 100%;
    border: none;
    background: none;
}
.product-content .left .item .nav{
    margin-top: 15px;
}
.product-content .left .item .nav a{
    display: block;
    width: 100%;
    height: 65px;
    border-bottom: 1px solid #E6E6E6;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 65px;
    color: #666666;
    padding-left: 20px;
    box-sizing: border-box;
}
.product-content .left .item .nav a:hover,.product-content .left .item .nav a.active{
    background: #1142A6;
    color: #FFF;
    border: none;
}
.product-content .right{
    float: right;
    width: 62.76vw;
}
@media screen and (max-width: 1440px){
    .product-content .left .item .nav a{
        font-size: 12px;
    }
}