html {
    font-size: 14px;
    background: #fff;
}
.wrap{
    width: 90%;
    margin:  0 auto;
}
img{
    max-width: 100%;
}
*{
    box-sizing: border-box;
    margin-top: 0;
    margin-bottom: 0;
    font-family: 'FavoritRegular';
}
a{
    text-decoration: none;
}
@font-face {
    font-family: 'FavoritRegular';
    src: url(../font/FavoritRegular.ttf);
}
@font-face {
    font-family: 'FavoritBold';
    src: url(../font/FavoritBold.otf);
}

.footbg{
    background: #2e2e2e;
    color: #fff;
    padding: 30px 0;
}
.footbg .container{
    line-height: 22px;
    font-size: 12px;
}
.footbg .container .media_box {
    margin-bottom: 10px;
}
.footbg .container .media_box .link{
 color: #fff;

}
.footbg .container .media_box .link .iconfont{
    font-size: 20px;
}
.headbg{
  background: transparent;
  padding: 15px 0;
  position: absolute;
  width: 100%;
  top: 0;
  z-index: 99;
}
.head_box{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.head_box .pc_nav .item{
    font-size: 15px;
    color: #222;
    margin-left: 35px;
    font-family: 'FavoritBold';
}
.headbg .pc_nav .item{
  color: #fff;
}
.headbg_inner{
  padding: 15px 0;
  width: 100%;
  top: 0;
  z-index: 99;

}
.common_title{
  font-family: 'FavoritBold';
    font-size: 48px;
    margin-top: 70px;
}
.ncontact .description{
    width: 600px;
    margin: 0 auto;
    color: #777;
    line-height: 22px;
    margin-top: 10px;
}
.ncontact .box{
    display: flex;
    justify-content: center;
    margin: 15px auto;
    width: 700px;
}
.ncontact .box .item{
    margin-right: 15px;
    border-radius:30px;
    box-shadow: 1px 1px 10px #ddd;
    width: 30%;
    text-align: center;
    padding: 10px;
}
.ncontact .box .item:last-child{
    margin-right: 0;
}
.ncontact .box .item .iconfont{
    font-size: 22px;
}
.ncontact .box .item .icon-shouhuodizhi{
    color: #0ba94a;
}
.ncontact .box .item .icon-youxiang{
    color: #1076df;
}
.ncontact .box .item .icon-31dianhua{
    color: #eb850d;
}
.ncontact .message_box{
    margin: 30px auto;
    width: 700px;
}
.ncontact .message_box .form-group{
    margin-bottom: 10px;
}
.ncontact .message_box .form-control{
    padding: 10px;
    font-size: 14px;
}
.ncontact .message_box .btn_box{
    text-align: center;
    margin-top: 20px;
    margin-bottom: 50px;
}

.ncontact .message_box .btn_box .btn{
    border-radius: 25px;
    background: #198a97;
    padding: 8px 25px;
    border: none;
    font-size: 14px;
}
.ncontact .message_box .btn_box .btn:hover{
    border: none;
}
.nabout .content{
  font-family: 'FavoritRegular';
    font-size: 16px;
    line-height: 30px;
}

.mobile_nav{
    display: none;
    position: fixed;
    width: 100vw;
    background: #fff;
    z-index: 9999;
    top: 64px;
    padding:30px;
    box-shadow: 0px 2px 20px #eee;
    left: 0;
  }
  .mobile_nav  .item{
    font-size: 18px;
    margin: 10px 0;
    color: rgba(0, 0, 0, .5);
    display: inline-block;
    width: 100%;
  }

.mobile_menu{
    position: absolute;
    right: 50px;
    top: 25px;
    display: none;
  }
  
  
   .mobile_menu .s1 {
    top: 5px;
  }
  
   .mobile_menu .s2 {
    top: 11px;
  }
  
   .mobile_menu .s3 {
    top: 17px;
  }
  
   .mobile_menu .s1.on {
    transform: rotate(45deg);
    top: 10px;
  }
  
   .mobile_menu .s2.on {
    opacity: 0;
  }
  
   .mobile_menu .s3.on {
    transform: rotate(-45deg);
    top: 10px;
  }
  .headbg_inner .mobile_menu span{
    background: #aaa;
  }
   .mobile_menu span {
    width: 25px;
    height: 2px;
    display: block;
    background: #fff;
    position: absolute;
    transition: all .5s;
  }
  .nscience {
    width:1000px;
    margin: 0 auto;
    font-size: 16px;
  }
  .nscience .tab_nav{
    display: flex;
    margin-top: 50px;
  }
  .nscience .tab_nav .item{
    font-size: 18px;
    border-bottom: 2px solid #eee;
    width: 50%;
    text-align: center;
    padding-bottom: 10px;
    cursor: pointer;
  }

  .nscience .tab_nav .item_current{
    border-bottom: 2px solid #1c99a7;
    color: #1c99a7;
    font-family: 'FavoritBold';
  }

  .nscience .tab_content{
   margin: 30px 0;
  }
  .nscience .tab_content .item{
    display: none;
    font-size: 16px;
    line-height: 30px;
  }

  .nscience .tab_content .item_current{
    display: inline-block;
  }
  


  .index_section2{
    padding: 80px ;
    background: #f3f1eb;
    margin: 0 auto;
  }
  .index_section2 .title{
    font-size: 60px;
    font-weight: bold;
  }
  .index_section2 .index_bike{
   display: flex;
   flex-wrap: wrap;
   margin-top: 30px;
  }
  .index_section2 .index_bike .item{
display: block;
    background: #fff;
    position: relative;
    transition: all .3s;
    margin: 10px;
    top: 0;
   }
   .index_section2 .index_bike .item:hover{
    box-shadow: 2px 2px 10px #ddd;
    transition: all .3s;
    top: -5px;
   }
   .index_section2 .index_bike .item .save{
    position: absolute;
    top: 3px;
    left: 3px;
    background: #000;
    padding: 3px 7px;
    border-radius: 20px;
    font-size: 12px;
    color: #fff;
   }
   .index_section2 .index_bike .item  .pic{
    text-align: center;
    width: 100%;
    border-bottom: 1px solid #eee;
   }
   .index_section2 .index_bike .item .title{
    color: #000;
    font-size: 30px;
    width: 100%;
    text-align: center;
    margin-top: 30px;
    padding: 0 30px;
    overflow: hidden; 
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
   }
   .index_section2 .index_bike .item .text{
    width: 100%;
    text-align: center;
    color: #666;
    font-size: 14px;
   }
   .index_section2 .index_bike .item .price_box{
    display: flex;
    justify-content: center;
    margin: 10px 0;
   }
   .index_section2 .index_bike .item .price_box .price1{
    font-size: 18px;
    color: #777;
   }
   .index_section2 .index_bike .item .price_box .price2{
    font-size: 18px;
    color: #000;
    margin-left: 10px;
   }
   .index_section2 .index_bike .item .star{
    width: 100%;display: flex;
    justify-content: center;
    padding-bottom: 30px;
    
   }
   .index_section2 .index_bike .item .star .iconfont{
    color: #FD9A52;
    font-size: 12px;
   }
  
  .index_section2 .btn_box{
    text-align: center;
  }
  .index_section2 .btn{
    color: #000;
    border-radius: 35px;
    border: 1px solid #000;
    margin: 50px auto 0;
    padding:10px 35px;
    transition: all .3s;
    font-size: 14px;
  }
  .index_banner {
    position: relative;
    overflow: hidden;
  }
.index_banner .swiper-pagination-bullet-active{
  background: #1c99a7;
}
.index_banner .swiper-pagination-bullet{
  width: 12px;
  height: 12px;
}
.index_section4{
  margin-top:100px;
}
.index_section4 .title{
  font-size:94px;
  color: #000;
  font-weight: bolder;
  line-height: 100%;
}
.index_section5{
  background: #000;
  margin: 30px auto 50px auto;
}
.index_section5 .info{

color: #fff;
display: flex;
align-items: center;
padding: 50px;
}
.index_section5 .info .text{
  font-size: 30px;
}
.index_section5 .info .btn{
  background: #fff;
  padding: 18px 65px;
  font-size: 16px;
  border-radius: 0;
  margin-top: 20px;
}
.index_section5 .col-sm-7{
  padding: 0;
}
.index_section6{
  margin-bottom: 120px;
}
.nproducts{
  width: 95vw;
  margin: 0 auto;
}

.nproducts .nbanner{
  margin-top: 80px;
}

.nproducts .slogn_title{
  font-size: 72px;
  width: 100%;
  text-align: center;
  font-weight: bold;
  color: #000;
  margin-top: 50px;
}
.nproducts .slogn_text{
  font-size: 22px;
  width: 500px;
  line-height: 36px;
  margin: 0 auto;
  text-align: center;
}

.cate_box{
  display: flex;
  justify-content: center;
  margin: 50px 0;
}
.cate_box .item{
  width: 25%;
  position: relative;
  transition: all .3s;
  overflow: hidden;
  padding-bottom: 32%;
  margin: 0 10px;
}
.cate_box .item .multiSourcePicture {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.cate_box .item .title{

  font-size: 2rem;
  color: #fff;
  font-weight: bold;
  z-index: 2;

  width: 100%;
  padding: 0 30px;
}
.cate_box .item .b{
  position: absolute;
  z-index: 2;
  top: 20px;
}
.cate_box .item .text{

  font-size: 16px;
  color: #fff;
  z-index: 3;
  padding: 0 30px;
  line-height: 20px;
}
.cate_box .item:hover .multiSourcePicture img{
  transform: scale(1.1);
  transition: all .3s;
}

.section3{
  display: flex;
  justify-content: space-between;
  margin: 50px 0;
}

.section3 .left_c{
  display: flex;
  align-items: center;
}
.section3 .left_c .title{
  font-size: 24px;
}
.section3 .left_c .text{
  font-size: 14px;
  margin-left: 10px;
  text-decoration: underline;
  color: #666;
}
.section3 .right_c{
  display: flex;
  align-items: center;
}

.section3 .right_c .text1{
  font-size: 16px;
  color: #888;
}
.section3 .right_c .text2{
  font-size: 16px;
  color: #000;
  margin-left: 15px;
}

.section4{
  display: flex;
}

.section4 .filter_box{
  overflow-y: scroll;
  min-height: 70vh;
  width: 220px;
}

.section4 .filter_box::-webkit-scrollbar{
  width: 7px;
  height: 7px;
  background-color: #F5F5F5;
}
 
/*定义滚动条轨道 内阴影+圆角*/
.section4 .filter_box::-webkit-scrollbar-track {
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  background-color: #F5F5F5;
}
 
/*定义滑块 内阴影+圆角*/
.section4 .filter_box::-webkit-scrollbar-thumb{
  border-radius: 10px;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .1);
  background-color: #c8c8c8;
}
.section4 .filter_box .box{
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
}
.section4 .filter_box .title_box{
  display: flex;
  align-items: center;
}

.section4 .filter_box .title_box .title{
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 18px;
  margin-left: 10px;
}
.section4 .filter_box  .content{
  margin-left: 20px;
}
.section4 .filter_box  .content .item{
  display: flex;
  align-items: center;
  margin: 15px 0;
  font-size: 16px;
}
.section4 .filter_box  .checkbox{
  border: 1px solid #000;
  width: 20px;
  height: 20px;
  margin-right: 10px;
}
.section4 .checkbox_current{
  background: url(../images/checkmark.svg) no-repeat center;
}
.section4 .product_list{
  flex: 1;
  margin-left: 50px;
}
.section4 .product_list .box{
  display: flex;
  flex-wrap: wrap;
 
}
.section4 .product_list .item{
  position: relative;
  width: 32%;
  margin-right: 20px;
  margin-bottom: 60px;
 
}.section4 .product_list .item:nth-child(3n){
  margin-right: 0;
}
.section4 .product_list .item .pic{

  
}
.section4 .product_list .item .title{
  font-size: 24px;
  margin-top: 15px;
  color: #000;

}

.section4 .product_list .item  .text{
  font-size: 16px;
  color: #777;
  margin-top: 20px;
}
.fenye{
  display: flex;
  justify-content: center;
}

.nproducts_detail{
  width: 95vw;
  margin: 30px auto 65px;
}


.nproducts_detail  .section20{
  margin-top: 30px;
}
.nproducts_detail .table_bg{
  background: #eee;
}
.nproducts_detail .table{
  width: 800px;
  margin: 0 auto;
}

.nproducts_detail  .section1 .position{
 margin-top: 20px;
  display: flex;
  color: #000;
  font-size: 14px;
}
.nproducts_detail  .section1 .position .link{
  color: #000;
  text-decoration: underline;
}

.nproducts_detail  .section1 .position  .text{
  padding: 0 10px;
}
.nproducts_detail .product_pic{
  position: relative;
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 40px;
    display: flex;
}
.nproducts_detail .product_pic .swiper-slide{
  text-align: center;
}
.nproducts_detail  .section2{
  margin: 80px auto 120px;
  width: 800px;
}

.nproducts_detail  .section2 .item{
  margin: 50px 0;
}

.nproducts_detail  .section2 .item .title{
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 10px;
}

.nproducts_detail  .section2 .item .text{
  color: #666;
  font-size: 14px;
  line-height: 26px;
}
.nproducts_detail  .section3{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nproducts_detail  .section3 .info{
  width: 45%;
  padding: 50px;
}
.nproducts_detail  .section3 .pic{
  flex: 1;
  text-align: center;
}
.nproducts_detail  .section3 .pic img{
  width: 100%;
  filter: blur(7px);
  transform: translate3d(0, 0, 0);
  -webkit-filter: blur(7px);
  -webkit-transform: translate3d(0, 0, 0);
}
.nproducts_detail  .section3 .info .title{
 font-size: 36px;
 margin-bottom: 15px;
}
.nproducts_detail  .section3 .info .text{
  font-size: 24px;
  line-height: 36px;
}
.nproducts_detail    .whole_info{
  width: 700px;
  margin: 80px auto;
}
.nproducts_detail    .whole_info .title{
  font-size: 36px;
  margin-bottom: 15px;
}

.nproducts_detail    .whole_info .text{
  font-size: 24px;
  line-height: 36px;
}


.nproducts_detail    .whole_pic{
    margin: 50px auto;
    position: relative;
}
.nproducts_detail    .whole_pic .bg{
  background-color: rgba(255, 255, 255,.5);
  position: absolute;
  width: 100%;
  height: 100%;
  display: none;
  transition: all .3s;
}
.nproducts_detail    .whole_pic img{
width: 100%;
filter: blur(7px);
transform: translate3d(0, 0, 0);
-webkit-filter: blur(7px);
-webkit-transform: translate3d(0, 0, 0);
}
.nproducts_detail    .whole_pic:hover .bg{
 display: block;
 transition: all .3s;
}
.nproducts_detail .right_content{
  flex: 1;
  margin-left: 50px;
}

.nproducts_detail .right_content .title{
  font-size: 30px;
}
.nproducts_detail .right_content .price_box{
  margin-top: 30px;
}
.nproducts_detail .right_content .price_box .b{
  display: flex;
  align-items: center;
}

.nproducts_detail .right_content .price_box .b .item{
  border: 1px solid #000;
  margin-right: 10px;
  cursor: pointer;
  padding:5px 10px;
  display: none;
}
.nproducts_detail .right_content .price_box .b .item_current{
  border: 1px solid #f6770f;
  display: block;
}
.nproducts_detail .right_content .color_box{
    border-bottom: 1px solid #ddd;
    display: flex;
    padding: 0px 0 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}
.nproducts_detail .right_content .color_box .color_title{
  width: 100%;
  margin-bottom: 10px;
}
.nproducts_detail .right_content .color_box .item{
  width: 60px;
  border: 1px solid #000;
  margin-right: 10px;
  cursor: pointer;
}
.nproducts_detail .right_content .color_box .item_current{
  border: 1px solid #f6770f;
}
.nproducts_detail .right_content .btn{
  background: #000;
  color: #fff;
  width: 150px;
  padding: 10px;
  margin-top: 10px;
  border: none;
  font-size: 18px;
}
.nproducts_detail .right_content  .form{
  margin-top: 30px;
  max-width: 700px;
}

.nproducts_detail .right_content  .form .item{
  margin: 10px 0;
}
.nproducts_detail .right_content  .form .btn_box{
  display: flex;
  align-items: center;
}
.nproducts_detail .right_content  .form .btn_box .b .btn{
  background: #f6770f;
  display: none;
}
.nproducts_detail .right_content  .form .btn_box .b .item_current{
display: block;
}
.pagination {
 
  margin: 0 auto;

  text-align: center;

  margin-top: 1rem;

  margin-bottom: 3rem;

}

.pagination li{border:1px solid #e6e6e6;padding: 7px 13px;display: inline-block;margin: 3px;}

.pagination .active{background-color: #000;color: #fff;}

.pagination .disabled{color: #aaa;}
.pagination li a{
  color: #333;
}

 /*详情页面焦点图 start*/
 .game163 {
  position: relative;
  overflow: hidden;
  height: 796px;
  width: 596px;
}

.game163 .bigImg {
  width: 100%;
  position: relative;
  border: 1px solid #ddd;
  padding: 5px;
  box-sizing: border-box;
}

.game163 .bigImg li {
  display: block;
  height: 100%;
}

.game163 .bigImg li a {
  display: block;
  width: 99%;
  height: 644px;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.game163 .smallScroll {}

.game163 .sPrev,
.game163 .sNext {
  z-index: 10;
  position: absolute;
  left: 3px;
  display: block;
  width: 18px;
  height: 132px;
  text-indent: -9999px;
  cursor: pointer;
  background: url(/skin/css/images/arrow2.png) 0 center no-repeat #eee;
}

.game163 .sNext {
  z-index: 10;
  right: 3px;
  left: auto;
  background: url(/skin/css/images/arrow2.png) right center no-repeat #eee;
}

.game163 .sPrev:hover {
  filter: alpha(opacity=70);
  -moz-opacity: 0.7;
  opacity: 0.7;
}

.game163 .sNext:hover {
  filter: alpha(opacity=70);
  -moz-opacity: 0.7;
  opacity: 0.7;
}

.game163 .smallScroll {
  position: absolute;
  bottom: 0;
}

.game163 .smallImg {
  margin: 15px 0px 0 0px;
  display: block;
  width: auto;
  overflow: hidden;
}

.game163 .smallImg ul {
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.game163 .smallImg li {
  float: left;
  padding: 0;
  width: 110px;
  display: block;
}

.game163 .smallImg li a {
  display: block;
  margin: 0 1px;
  border: 1px solid #dcdbdb;
  width: auto;
  padding: 2px;
}

.game163 .smallImg li b {
  width: auto;
  display: block;
  height: 100px;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

.game163 .smallImg .on a {
  border: 1px solid #f6770f;
}

.game163 .pageState {
  position: absolute;
  top: 235px;
  right: 5px;
  font-family: "Times New Roman", serif;
  letter-spacing: 1px;
}

.game163 .pageState span {
  color: #f00;
  font-size: 16px;
}

.blog_box{
  display: flex;
  flex-wrap: wrap;
  margin: 30px 0;
}
.blog_box .blog_item{
  width: 32%;
  margin-right:2%;
  margin-bottom: 30px;
}
.blog_box .blog_item .pic{
  width: 100%;
  position: relative;
  height: 0;
  padding-bottom: 80%;
}
.blog_box .blog_item .pic img{
  width: 100%;
  height: 100%;
  position: absolute;
}
.blog_box .blog_item:nth-child(3n){
  margin-right: 0;
}

.blog_box .blog_item .time{
  color: #aaa;
  font-size: 12px;
  margin-bottom: 5px;
}
.blog_box .blog_item .title{
  color: #222;
  margin-top: 20px;
  margin-bottom: 5px;
  font-size: 26px;
  font-family: 'FavoritBold';
  line-height: 1.3;
}

.blog_box .blog_item .text{
  font-size: 14px;
  color: #666;
}

.article_title{ font-size:36px; width: 100%;margin-top: 35px; margin-top: 50px; font-family: 'FavoritBold';}
.article_time{ width: 100%; color: #aaa; margin-top: 10px;}
.article_content{ margin-top: 20px; line-height: 28px; color: #666 }
.prearticle{ margin-bottom: 10px; padding-top:30px; border-top: 1px solid #ccc; width: 100%;color: #666;}
.nextarticle{
  margin-bottom: 50px;
}

.blog_position{
  margin-top: 20px;
   display: flex;
   color: #000;
   font-size: 14px;
 }
 .blog_position .link{
   color: #000;
   text-decoration: underline;
 }
 
 .blog_position  .text{
   padding: 0 10px;
 }

/*详情页面焦点图  end*/
@media screen and (max-width: 1350px) { 
  .section4 .product_list .item{
    width: 48.5%;
  }
  .section4 .product_list .item:nth-child(3n){
   margin-right: 20px;
  }
  .section4 .product_list .item:nth-child(2n){
    margin-right: 0;
  }
  .cate_box .item .text{
    font-size: 14px;
  }
  .nproducts_detail .left_content{
    width: 70%;
  }
  .nproducts_detail .right_content{
    width: 30%;
  }
  .nproducts_detail .left_content .section1{
    padding-top: 50px;
  }

}
/* 大屏幕 */

@media screen and (max-width: 1200px) { 

  .index_banner video{
    height: 80vh;
  }
  .nproducts_detail{
    flex-wrap: wrap;
  }
  .nproducts_detail .left_content{
    width: 100%;
  }

  .nproducts_detail .left_content .section2{
    margin: 80px auto;
    width: 100%;
  }
  .nproducts_detail .left_content .section3{
    flex-wrap: wrap;
  }
  .nproducts_detail .left_content .section3 .info{
    width: 100%;
  }
  .nproducts_detail .left_content .section3 .pic{
    width: 100%;
    flex: 100%;
    order: 2;
  }
  .cate_box .item{
    width: 50%;
    padding-bottom: 70%;
  }
  .nproducts .slogn_title{
    font-size: 60px;
  }
  .nproducts .slogn_text{
    width: 100%;
  }
}





/* 平板电脑和小屏电脑之间的分辨率 */

@media (max-width: 979px){

  .common_title{
    font-size: 36px;
    margin-top: 50px;
  }
  .ncontact .message_box{
    width: 100%;
  }
  .ncontact .box{
    width: 100%;
  }
  .nscience{
    width: 100%;
  }
  .index_service .pic{
    width: 50%;
  }

  .index_section2{
    padding: 80px 0;
  }
  .index_section2 .title{
    font-size: 48px;
  }
  .index_section4 .title{
    font-size: 48px;
  }
  .section4{flex-wrap: wrap;}
  .section4 .filter_box{
    width: 100%;
    min-height: 0;
  }
  .section4 .filter_box .content{
    display: flex;
  }
  .section4 .filter_box .content .item{
    margin-right: 15px;
  }
  .section4 .product_list{
    margin-left: 0;
    margin-top: 15px;
  }
  .nabout{
    margin-top: 100px;
  }
  .nproducts .slogn_title {
    font-size: 48px;
}
.blog_box .blog_item{
  margin-right:2%;
}
.blog_box .blog_item:nth-child(2n){
  margin-right: 0;width: 49%;
}  

.nproducts_detail .product_pic{
  flex-wrap: wrap;
}
.nproducts_detail .right_content{
  flex: 100%;
  margin-left: 0;
  margin-top: 30px;
}
.nproducts_detail .table{
  width: 100%;
}
}


/* 横向放置的手机和竖向放置的平板之间的分辨率 */

@media (max-width: 767px) {
  .ncontact .box{
    flex-wrap: wrap;
  }
  .ncontact .box .item{
    width: 100%;
    margin-bottom: 10px;
    margin-right: 0;
  }
  .ncontact .description{
    width: 100%;
  }
.pc_nav{
    display: none;
}
.mobile_menu{
    display: block;
}
.common_title{
  font-size: 30px;
}

.nscience .tab_nav .item{
  font-size: 17px;
  line-height: 22px;
}
.index_service .pic{
 display: none;
}


.index_banner_mobile video{
  height: auto;
  width: 100%;
}
.index_section5 .info{
  padding: 25px;
}
.index_section5{
  margin-bottom: 30px;
}
.section4 .filter_box .content{
  flex-wrap: wrap;
}
.section4 .product_list .item{
  width: 100%;
}
}

@media (max-width: 600px) {

  .index_service{
    margin: 10px;
  }
  .cate_box{
    flex-wrap: wrap;
  }
  .cate_box .item{
    width: 100%;
    margin-bottom: 15px;
    padding-bottom: 130%;
  }
  .blog_box .blog_item{
    width: 100%;
  }
  .blog_box .blog_item:nth-child(2n){
    margin-right:0%;
  }
  .blog_box .blog_item .pic img{
    width: 100%;
  }
  .nproducts .slogn_title {
    font-size: 36px;
}
.nproducts .slogn_text{
  font-size: 14px;
  line-height: 24px;
}
.game163 .bigImg li a{
  height:560px;
}
.game163{
  height: 650px;
}
}


/* 横向放置的手机及分辨率更小的设备 */

@media (max-width: 480px) {

  .headbg{
    padding: 10px 0;
  }
  .mobile_menu{
    top: 20px;
  }
  .index_service .info .title{
    font-size: 26px;
  }
}