.product-bg{ margin:0px auto;margin-top: 100px; background: #000; background-size:auto 100%;  background-repeat: no-repeat; background-position: 80% bottom;}

table{ width:100%;}
table td{ border:1px solid #e7e7e7; line-height:28px; padding-left:10px!important; padding-right:20px!important; color:#686868;}
table td.clk{ background-color:#f4f4f4; color:#231a15; font-weight:500;}

.layout .left{float:left; width: 50%; color: #fff; padding-bottom: 10%}
.layout .left .model{margin-top: 15%;font-weight: bold;}
.layout .left .title-cn{margin-top: 15%; line-height: 30px}
.layout .left .title-en{margin-top: 4%; line-height: 30px}
.layout .right{float:right; width: 50%; margin-bottom: -200px}
.info-wrapper{padding: 5% 0px 10% 0px;  font-family: "Helvetica Neue", Helvetica, "PingFang SC", 微软雅黑, Tahoma, Arial, sans-serif !important;}
.info-wrapper p{padding: 5px 0px;}
.info-wrapper h1{font-weight:bold; color:#009ae3; }
.info-wrapper h2{font-weight:bold;color:#000; }

@media screen and (max-width: 900px) { /*当屏幕尺寸小于500px时，应用下面的CSS样式*/

.product-bg{width:100%;  margin-top: 60px;}

table{ width:100%;}
table td{ border:1px solid #e7e7e7; line-height:28px; padding:0px 5%; color:#686868; font-size:14px; }
table td:nth-child(2){width: 40%}
table td.clk{ background-color:#f4f4f4; color:#231a15; font-weight:100;}

.layout .left{}
.layout .left h1{font-size: 20px;} 
.layout .left .summary{font-size: 14px;line-height: 25px}
.layout .left .title-en { margin-top: 0%; }

.layout .right{}
.info-wrapper{padding: 3% 0px 10% 0px; overflow-x: scroll;}

}