.main_five .banner {
  margin-bottom: 75px;
}
.main_five .contant {
  width: 1400px;
  height: 480px;
  margin: 0 auto 100px;
}
.main_five .contant .c_left {
  float: left;
  width: 680px;
  padding: 0 40px;
  color: #717171;
}
.main_five .contant .c_left .c_left_title {
  font-size: 36px;
  color: #333;
  font-weight: bold;
  margin: 35px 0;
}
.main_five .contant .c_left .c_left_txt {
  font-size: 16px;
}
.main_five .contant .c_right {
  width: 680px;
  height: 480px;
  float: right;
  padding-left: 19px;
}
.main_five .contant .c_right .c_right_l {
  float: left;
  width: 257px;
  height: 414px;
}
.main_five .contant .c_right .c_right_l img {
  width: 100%;
}
.main_five .contant .c_right .c_right_t {
  float: right;
  width: 376px;
  height: 268px;
  margin-bottom: 29px;
}
.main_five .contant .c_right .c_right_t img {
  width: 100%;
}
.main_five .contant .c_right .c_right_b {
  float: left;
  margin-left: 29px;
  width: 300px;
  height: 183px;
}
.main_five .contant .c_right .c_right_b img {
  width: 100%;
}
@media screen and (max-width: 768px) {
  .main_five .banner {
    margin-bottom: 0.3rem;
  }
  .main_five .contant {
    width: 100%;
    height: auto;
    margin: 0;
    padding: 10px;
  }
  .main_five .contant .c_left {
    float: none;
    width: 100%;
    color: #717171;
    padding: 0;
  }
  .main_five .contant .c_left .c_left_title {
    font-size: 0.4rem;
    color: #333;
    font-weight: bold;
    margin: 0;
  }
  .main_five .contant .c_left .c_left_txt {
    font-size: 0.28rem;
    margin-bottom: 0.2rem;
  }
  .main_five .contant .c_right {
    width: 100%;
    height: auto;
    float: none;
    padding: 0;
  }
  .main_five .contant .c_right .c_right_l {
    float: none;
    display: none;
  }
  .main_five .contant .c_right .c_right_t {
    float: none;
    width: 100%;
    height: 4.5rem;
    margin-bottom: 0rem;
  }
  .main_five .contant .c_right .c_right_b {
    float: none;
    width: 100%;
    display: none;
  }
}