@media screen and (max-width: 1500px) {
    .w_100 {
        width: 1200px;
    }
    .chanpin .w_100 .left {
        width: 800px;
    }
    .chanpin .w_100 .right {
        width: calc(100% - 800px);
    }
    .zixun .content .list,
    .zixun .content .one {
        width: calc((100% - 360px) / 2);
    }
}
@media screen and (max-width: 1200px) {
   
    .w_100 {
        width: 96%;
        margin: 0 auto;
        max-width: 750px;
    }
    .common_head {
        display: none;
    }
    .common_web_head {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        margin: 0 auto;
        z-index: 99;
        background: #3F95E9;
        width: 100%;
        max-width: 750px;
        padding: 10px ;
    }
    .common_web_head .logo img{
        height: 25px;
    }
    .common_web_head .menu img {
        height: 25px;
    }
    .common_footer {
        padding-top: 0;
    }
    .common_footer .banquan .w_100{
        flex-wrap: wrap;
        text-align: left;
        display: inline-block;
        text-align: center;
    }
    .common_footer .banquan a {
        margin-left: 0;
        margin-top: 10px;
        display: inline-block;
    }
    .web_nav {
        display: block;
        position: fixed;
        z-index: 99;
        width: 100%;
        height: 100%;
        right: -100%;
        margin: 0 auto;
        top: 0;
        background-color: #fff;
        transition: 0.3s;
    }
    .web_nav .top {
        padding: 20px;
        background: #3F95E9;
    }
    .web_nav.active {
        right: 0;
    }
    .web_nav .close img,
    .web_nav .logo img {
        height: 25px;
    }
    .web_nav> .flex {
        padding: 20px;
        flex-wrap: wrap;
    }
    .web_nav> .flex .item {
        width: 100%;
        font-size: 16px;
    }
    .web_nav> .flex>.item {
        width: 100%;
        line-height: 40px;
        border-bottom: 1px solid #f1f1f1;
    }
    .web_nav> .flex>.item p {
        position: relative;
    }
    .web_nav> .flex>.item a ,
    .web_nav> .flex>.item p a {
        display: block;
        width: 100%;
        height: 40px;
        line-height: 40px;
        color:#323232;
    }
    .web_nav> .flex>.item p i {
        font-size: 16px;
        height: 40px;
        line-height: 40px;
        width: 50px;
        text-align: right;
        padding: 0 20px;
        position: absolute;
        right: 0;
        z-index: 1;
        top: 0;
    }
    .web_nav> .flex .item .child {
        padding-left: 20px ;
        display: none;
    }
    
    .index_main .banner {
        max-width: 750px;
        margin: 45px auto 0;
    }
    .index_main .banner .txt .p1 {
        font-size: 18px;
        font-weight: 700;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .index_main .banner .txt .p2 {
        font-size: 14px;
        font-weight: 500;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .index_main .banner .txt .p3 a {
        width:  auto;
        height: auto;
        display: inline-flex;
        padding: 10px 20px;
    }

    .common_title {
        font-size: 20px;
        line-height: 30px;
        text-align: center;
        padding: 20px 0;
        color: #222222;
        width: 100%;
    }
    .jiejue {
        margin-bottom: 20px;
    }
    .jiejue .list {
        flex-wrap: wrap;
        justify-content: center;
    }
    .jiejue .list .item {
        margin-right: 0;
        width: 100%;
        margin-bottom: 20px;
    }
    .guanyu>img{
        display: none;
    }
    .guanyu .txt {
        position: unset;
        background: url("../images/bg1.png") no-repeat center;
        padding: 20px;
    }
    .chanpin .w_100 {
        flex-wrap: wrap;
    }
    .chanpin .w_100 .left {
        width: 100%;
        margin-right: 0;
    }
    .chanpin .w_100 .left .top {
        padding: 10px;
    }
    .chanpin .w_100 .left .top .info {
        padding: 20px 0 ;
    }
    .chanpin .w_100 .left .bottom .item .box .info .name,
    .chanpin .w_100 .left .top .info .name {
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 10px;
    }
    .chanpin .w_100 .left .bottom .item .box .info .desc,
    .chanpin .w_100 .left .top .info .desc {
        line-height: 20px;
        font-size: 14px;
    }

    .chanpin .w_100 .left .bottom {
        flex-wrap: wrap;
    }
    .chanpin .w_100 .left .bottom .item{
        flex: auto;
        width: 100%;
        margin-right: 0;
        padding: 10px;
    }
    .chanpin .w_100 .left .bottom .item .box .info {
        padding: 20px 0 ;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .chanpin .w_100 .left .bottom .item>a {
        display: none;
    }
    .chanpin .w_100 .left .bottom .item a {
        margin: 0;
        padding: 0;
    }
    .chanpin .w_100 .left .bottom .web_link {
        display: block;
    }
    
    .chanpin .w_100 .left .bottom .item:last-child {
        margin-left: 0;
        margin-top: 20px;
    }

    .chanpin .w_100 .right {
        width: 100%;
        margin-top: 20px;
        padding: 20px;
    }
    .chanpin .w_100 .right a {
        margin-top: 30px;
    }
    .zixun .content {
        flex-wrap: wrap;
    }
    .zixun .content .one {
        width: 100%;
    }
    .zixun .content .list {
        width: 100%;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .zixun .content .one .info {
        padding: 20px;
    }
    .zixun .content .list .item  {
        padding: 20px;
    }
    .zixun .content .new .pic img {
        width: 100%;
    }
    .zixun .content .new .pic {
        width: 100%;
    }
    .zixun .content .new {
        width: 100%;    
        padding-bottom: 50px;
    }
    .other {
        padding: 20px 0;
    }
    .other .w_100 {
        flex-wrap: wrap;
    }
    .other .w_100 .box {
        width: 100%;
        margin-bottom: 20px;
    }
    .other .w_100 .box .item .txt {
        right: 20px;
        top: 20px;
    }
    .other .w_100 .box .item .txt .p1 {
        margin-bottom: 0;
    }
    .other .w_100 .box .item .txt .p2 {
        font-size: 22px;
        margin-bottom: 10px;
    }
    .common_footer .w_100 {
        display: none;
    }
    .swiper-button-next, .swiper-button-prev {
        height: 20px;
        margin-top: -10px;
    }
}