.choice{
  background: url(../images/choicebg.png)no-repeat center top #f4f4f4;
  padding-bottom: 40px;
  padding-top: 104px;
}
.cho{
  position: relative;
}
.cho-cfn{
  float: left;
  width: 480px;
  box-shadow: 0px 0px 10px rgba(0,0,0,.1);
}
.cho-cfn ul li{
  height: 170px;
  padding-left: 30px;
  padding-right: 30px;
  padding-top: 27px;
  background: #fff;
  cursor: pointer;
}
.cho-cfn ul li + li{
  border-top: solid 1px #ddd;
}
.cho-cfn ul li .cho-img .img2{
  display: none;
}
.cho-cfn ul li .cho-img{
  overflow: hidden;
  float: left;
}
.cho-cfn ul li .cho-img img{
  max-width: 100%;
}
.cho-cfn ul li .cho-con{
  float: right;
  width: 360px;
  padding-top: 10px;
  padding-left: 10px;
}
.cho-con h3{
  font-size: 28px;
  font-weight: bold;
  color: #222;
  background: url(../images/cho-more.png)no-repeat right center;
}
.cho-con p{
  font-size: 16px;
  color: #666;
  margin-top: 15px;
  padding-right: 40px;
  line-height: 1.6;
}
.cho-cfn ul li.cur{
  background: #f4f4f4;
}
.cho-cfn ul li.cur .cho-img .img2{
  display: block;
}
.cho-cfn ul li.cur .cho-img .img1{
  display: none;
}
.cho-cfn ul li.cur .cho-con h3{
  color: #3fc1c1;
}
.cho-show{
  float: left;
  width: 720px;
}
.cho-show ul li{
  display: none;
}
.cho-show ul li .cho-img{
  overflow: hidden;
}
.cho-show ul li .cho-img img{
  max-width: 100%;
}
.cho-text{
  padding-left: 50px;
  padding-top: 40px;
}
.cho-text span{
  text-align: center;
  display: block;
  float: left;
  font-size: 36px;
  font-family: Arial;
  font-weight: bold;
  color: #fff;
  width: 68px;
  line-height: 68px;
  border-radius: 50%;
  background: #3fc1c1;
}
.cho-text .text{
  float: right;
  width: 570px;
  padding-top: 10px;
}
.cho-text .text h3{
  font-size: 28px;
  color: #3fc1c1;
  font-weight: bold;
  position: relative;
}
.cho-text .text h3::after{
  position: absolute;
  content: '';
  width: 58px;
  height: 4px;
  background: #2c2c2c;
  left: 0;
  bottom: -25px;
}
.cho-text .text p{
  font-size: 16px;
  line-height: 2;
  color: #333;
  margin-top: 50px;
}
.cho-slo{
  position: absolute;
  text-align: center;
  width: 64px;
  height: 262px;
  background: #3fc1c1;
  padding: 25px 0;
  top: 0;
  left: -64px;
}
.cho-slo p{
  font-size: 24px;
  color: #fff;
  font-weight: inherit;
  line-height: 1;
}
.cho-slo p:last-child{
  margin-top: 20px;
}