.banner .nav .abtn a {display: block;float: left;width: -webkit-calc(100% / 2);width: calc(100% / 2);position: relative;line-height: 60px;text-align: center;color: #666;background: #fff;}
.ser1{background: #f5f5f5;padding-bottom: 0;}
.ser1 .tit{line-height: 1;color: #333333;font-weight: bold;text-align: center;margin-bottom: 45px;}
.ser1_con{position: relative;overflow: hidden;}
.ser1_con .txt{float: left;width: 50%;padding: 70px 30px 0 160px;}
.ser1_con .txt .h{color: #333333;font-weight: bold;line-height: 1;margin-bottom: 24px;}
.ser1_con .txt .h1{line-height: 32px;color: #333333;margin-bottom: 8px;}
.ser1_con .txt .p{color: #999999;line-height: 28px;margin-bottom: 44px;}
.ser1_con .pic{float: right;width: 50%;padding-left: 30px;}
.ser1_code{display: table;text-align: center;color: #515151;line-height: 1;}
.ser1_code .p2{margin-top: 10px;}
.ser1_con .next1,.ser1_con .prev1{background: no-repeat;width: 64px;height: 64px;top: 43.8%;margin-top: 0;}
.ser1_con .swiper-pagination{display: none;}
.ser1_con .next1{display: block;width: 64px;height: 64px;float: right;background: url(../images/product_3.png) center no-repeat;}
.ser1_con .prev1{display: block;width: 64px;height: 64px;float: right;background: url(../images/product_p3.png) center no-repeat;}
.ser1_con .next1 span{display: block;width: 100%;height: 100%;position: absolute;top: 0;left: 0;z-index: 3;background: url(../images/product_2.png) center no-repeat;}
.ser1_con .prev1 span{display: block;width: 100%;height: 100%;position: absolute;top: 0;left: 0;z-index: 3;background: url(../images/product_2.png) center no-repeat;}
.ser1_con .next1:hover{background: url(../images/product_3j.png) center no-repeat;}
.ser1_con .prev1:hover{background: url(../images/product_p3j.png) center no-repeat;}
.ser1_con .next1:hover span,.ser1_con .prev1:hover span{background: url(../images/product_2j.png) center no-repeat;animation: zhuan 2s linear forwards;-webkit-animation: zhuan 2s linear forwards;}
@keyframes zhuan {0% {transform: rotate(0deg);}100% {transform: rotate(180deg);}}
@-webkit-keyframes zhuan {0% {transform: rotate(0deg);}100% {transform: rotate(180deg);}}
.ser2{padding-bottom: 105px;}
.ser2 .tit{font-weight: bold;line-height: 1;text-align: center;padding-bottom: 50px;border-bottom: 1px solid #dddddd;}
.ser2_tab{display: table;margin: 0 auto;margin-top: 50px;margin-bottom: 28px;}
.ser2_tab a{color: #333333;margin: 0 25px;}
.ser2_tab a.on{color: #ff6600;text-decoration: underline;}
.ser2_con .ser2_box{float: left;width: 32.5%;margin-right: 1.25%;margin-bottom: 15px;position: relative;overflow: hidden;}
.ser2_con .ser2_box img{-webkit-transition: all .4s cubic-bezier(.4,0,.2,1); -moz-transition: all .4s cubic-bezier(.4,0,.2,1); transition: all .4s cubic-bezier(.4,0,.2,1);width: 100%;}
.ser2_con .ser2_box img:hover{-webkit-transform: scale(1.1);transform: scale(1.1);}
.ser2_con .ser2_box:nth-child(3n){margin-right: 0;}
.ser2_con .ser2_box .ser2_txt{position: absolute;bottom: 40px;left: 0;padding:0 26px;color: #fff;line-height: 1;width: 100%;}
.ser2_con .ser2_box .ser2_txt span{display: block;float: left;width: 70%;height: 16px;overflow: hidden;text-overflow: ellipsis;}
.ser2_con .ser2_box .ser2_txt s{width: 18px;float: right;height: 16px;background: url(../images/ser2_icon.png)no-repeat center;}
.page1{float: none;}
/* end */
@media (max-width:1440px){ 
    .ser1_con .txt{padding:20px 0 30px 80px;}
    .ser1_con .pic{float: left;width: 40%;}
}
@media (max-width:1024px){
    .ser1_con .txt{float: none;width: 100%;overflow: hidden;padding-left: 0;text-align: center;}
    .ser1_code{float: none;margin: 0 auto; margin-top: 16px;}
    .ser1_con .pic{display: none;}
    .ser2{padding-bottom: 50px;}
    .ser2_con .ser2_box{width: 49%;margin-right: 2%;}
    .ser2_con .ser2_box:nth-child(3n){margin-right: 2%;}
    .ser2_con .ser2_box:nth-child(2n){margin-right: 0;}
    .ser2_con .ser2_box .ser2_txt{bottom: 16px;}
    .ser2_con .ser2_box .ser2_txt span{height: 14px;}
    .page{margin-top: 30px;}
    .page1 span a{padding: 6px 10px;margin-bottom: 8px;}
}
@media (max-width:768px){
    .ser1{padding: 30px 0 20px 0;}
    .ser1 .tit{margin-bottom: 30px;}
    .ser1_con .txt .txt1{float: none;width: 100%;}
    .ser1_con .txt .p{margin-bottom: 0;}
    .ser1_con .next1, .ser1_con .prev1{top: 49%;display: none;}
    .ser1_con .swiper-pagination{display: block;bottom: 0;}
    .ser1_con .swiper-pagination .swiper-pagination-bullet{opacity: 1;background-color: #fff;}
    .ser1_con .swiper-pagination .swiper-pagination-bullet-active{opacity: 1;background-color: #ff6600;}
    .ser2 .tit{padding-bottom: 30px;}
    .ser2_tab{margin-bottom: 20px;margin-top: 30px;}
    .ser2_con .ser2_box{width: 100%;margin-right: 0;}
}