/* 内容 */
.img_content{
  height: 500px;
  background: url('../images/about_bg.png');
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
}
.img_left{
  border-right: 4px solid #ff9000;
  padding: 50px;
}
.img_left h1{
  margin-bottom: 5px;
  font-size: 34px;
}
.img_left .bold_text {
  font-weight: 400;
}
.img_right{
  width: 500px;
  margin-left: 50px;
}
.img_right h2{
  font-size: 22px;
}
.img_right p{
  margin: 15px 0;
  font-size: 16px;
  color: #4a4a4a;
}
.img_txt{
  color: #fff;
  text-align: center;
}
.img_txt h1{
  font-size: 60px;
  margin: 20px 0;
  text-shadow: 0 8px 0 rgba(0, 0, 0, 0.35);
}

.timeline-des-image {
  display: inline;
}
.timeline-table {
  margin-top: 20px;
  display: none;
  border: 1px solid #cccccc;
  border-bottom: none;
}
.timeline-table .timeline-table-item {
  display: flex;
}
.timeline-table-item>span {
  display: inline-block;
  border-bottom: 1px solid #cccccc;
  padding: 10px;
}
.timeline-table-item>span:nth-of-type(1) {
  border-right: 1px solid #cccccc;
  display: flex;
  align-items: center;
}
.timeline-table-item>span:nth-of-type(2) {
}
.diff_content{
  background-image: url('../images/key_bg.png'),url('../images/diff_bg.png');
  background-size: 100% 100%,100% 100%;
  background-repeat: no-repeat,no-repeat;
  color: #fff;
  padding: 40px;
}
.diff_white_content{
  /*background: url('../images/about_bg.png');*/
  /*background-size: cover;*/
  /*background-repeat: no-repeat;*/
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
}
.diff_dark_content{
  background-image: url('../images/diff_bg.png');
  background-size: 100% 100%,100% 100%;
  background-repeat: no-repeat,no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
}
.diff_info{
  display: flex;
  justify-content: center;
  width: 960px;
  flex-wrap: wrap;
  margin: 0 auto;
  flex-direction: column;
  height: 900px;
  margin-top: 20px;
}
.diff_info>div{
  width: 360px;
  padding: 20px 50px;
  display: inline-block;
}
.diff_info img{
  width: 300px;
  margin: 40px 0;
}
.diff_info h3{
  font-size: 20px;
  margin-bottom: 20px;
}
.diff_info p{
  font-size: 14px;
  margin: 10px 0;
  font-weight: normal;
  font-stretch: normal;
  font-style: normal;
  margin-left: 6px;
}
.diff_info p::before{
  display: inline-block;
  content:'';
  width: 6px;
  height: 6px;
  background-color: #ff6138;
  margin-right: 10px;
  margin-bottom: 3px;
}
.diff_left,.diff_right{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-self: center;
  width: 360px;
  padding: 20px 50px;
  box-sizing: content-box;
}
.exp_content{
  background-image: url('../images/key_bg.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  padding: 40px 0;
}
.exp_content>div{
  width: 920px;
  margin: 0 auto;
  padding: 0 20px;
}
.exp_content p,.exp_content li{
  color: #9798a2;
  margin: 10px 0;
  font-size: 14px;
}
.exp_content p{
  font-size: 16px;
  line-height: 1.5;
}
.exp_content li{
  display: flex;
  align-items: center;
}
.exp_content li span{
  display: block;
  width: 15px;
  height: 15px;
  text-align: center;
  line-height: 15px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  background-color: #ff6138;
  color: #fff;
  font-size: 12px;
  margin-right: 5px;
}
.exp_info{
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.exp_info img{
  width: 300px;
}
.exp_info>div{
  margin-left: 40px;
}

@media(max-width:768px){
  /* img */
  .img_content{
    display: block;
    height: auto;
    background-size: 100% 30%;
    border-top: none;
  }
  .img_left{
    width: auto;
    text-align: center;
    border: none;
    padding: 10px;
  }
  .img_left h1{
    font-size: .586667rem;
    text-shadow: none;
    color: #000;
    display: inline-block;
  }
  .img_right{
    width: auto;
    padding: 10px;
    margin-left: 0;
    margin-top: .8rem;
  }
  .img_right h2{
    text-align: center;
    font-size: .426667rem;
  }
  .img_right p{
    color: #4a4a4a;
    margin: .266667rem 0;
    font-size: .373333rem;
  }
  .timeline-table {
    display: block;
  }
  .timeline-des-image {
    display: none;
  }
  /* diff */
  .diff_content{
    padding: .533333rem 0;
    background-image: url('../images/diff_bg.png');
  }
  .diff_white_content {
    padding: 20px;
  }
  .diff_dark_content {
    padding: 20px;
  }
  .diff_info{
    flex-direction: column;
    padding: 0 1.066667rem;
    text-align: left;
    justify-content: center;
    align-items: center;
    width: auto;
    height: auto;
  }
  .diff_info>div{
    width: auto;
    padding: 0;
  }
  .diff_info img{
    width: 5.333333rem;
    margin: 1.066667rem 0;
  }
  .diff_info p{
    margin-left: 0;
  }
  .diff_info h3{
    font-size: .426667rem;
  }
  /* exp */
  .exp_content{
    background-image: none;
    padding: .533333rem .266667rem;
  }
  .exp_content>div{
    width: auto;
    padding: 0;
  }
  .exp_content p{
    color: #4a4a4a;
    font-size: 14px;
  }
  .exp_content li{
    color: #000;
    position: relative;
    padding-left: 15px;
  }
  .exp_content li span{
    position: absolute;
    left: -5px;
  }
  .exp_info img{
    width: 5.333333rem;
    margin-bottom: .666667rem;
  }
  .exp_info{
    flex-direction: column;
    margin-bottom: .533333rem;
  }
  
}