.main{
  margin-top: 50px;
  box-sizing: border-box;
}
.main .box{
 max-width: 1200px;
  margin: 0 auto;
}
.main .menu{
  float: left;
  width: 300px;
  height: 588px;
}
.main .menu_list li>a{
  display: block;
  width: 100%;
  height: 70px;
  line-height: 70px;
  font-size: 16px;
  font-weight: bold;
  color: #888;
  border-bottom: 1px solid #eee;
}
.main .menu_list .active{
  color: #333;
  border-bottom: 2px solid #c00a27;
}
.main .menu_list .active .arrow{
  float: right;
  width:5px;
  height: 10px;
  margin: 31px 14px 0 0;
  background-image: url(../../img/service/arrow.png);
  background-size: 5px 10px;
}
.main .menu_list li>a .text{
  vertical-align: middle;
}
.main .menu_list .icon{
  font-size: 25px;
  color: #888;
  font-weight: normal;
  margin-right: 20px;
  vertical-align: middle;
}

/* energy */
.main .energy{
  float: right;
  max-width: 840px;
}
.main .energy .img>img{
  width: 100%;
  height: 100%;
}
.main .energy .ask_content{
  width: 100%;
}
.main .energy .content_box{
  padding: 0;
}
.main .energy .written{
  margin: 15px 14px 18px 14px;
  font-size: 14px;
  line-height: 20px;
  color: #939393;
}
.main .energy .written li{
  margin: 10px 0;
}
.main .energy .written li>p{
  margin: 10px 0;
}
.main .energy .tagging{
  color: #c80429;
  font-weight: bold;
}
.main .energy .crude{
  display: inline-block;
  font-weight: bold;
}
.main .energy .spacing{
  margin-top: 15px;
}
.main .energy .text_list{
  margin: 15px 14px 0 14px;
}
.main .energy .text_list .sublist{
  float: left;
  width: 30%;
  margin-bottom: 10px;
}
.main .energy .text_list>li{
  text-indent: 10px;
  margin-top: 10px;
  font-size: 14px;
  line-height: 20px;
  color: #939393;
}
.main .energy .plus{
  font-size: 16px;
  color: #333;
  font-weight: bold;
  padding: 30px 0 20px 10px;
  border-bottom: 1px solid #eee;
  box-sizing: border-box;
  cursor: pointer;
}
.main .energy .plus_icon{
  font-size: 16px;
  font-weight: normal;
  margin-right: 19px;
}
.main .energy .tips{
  color: #c6092d;
}
.main .energy .load-btn{
  display: block;
  background: #c6092d;
  border: 1px solid #c6092d;
  text-align: center;
  color: #fff;
  width: 106px;
  height: 40px;
  line-height: 38px;
  border-radius: 50px;
  font-weight: bold;
  cursor: pointer;
  margin:30px auto 0;
}
.main .energy .load-btn:hover{
  border: 1px solid #c6092d;
  background: #fff;
  color: #c6092d;
}
.main .energy .load-btn.loading{
  border-radius: 50px;
  background-color: #eee;
  border: none;

}
.main .energy .load-btn.loading span{
    display: none;
}
.main .energy .load-btn.loading b{
  display: block;
  width: 20px;
  height: 20px;
  margin: auto;
  border-top: 2px solid #fff;
  border-right: 2px solid transparent;
  border-radius: 50%;
  animation: loading 5s linear infinite;
  -webkit-animation: loading 1s linear infinite;
}
/*.tab_wrapper .ask_content>li:nth-child(n+6){
  display: none;
}*/
@keyframes loading{
  form {transform: rotate(0);}
  to {transform: rotate(360deg);}
}
@-webkit-keyframes loading{
  form {transform: rotate(0);}
  to {transform: rotate(360deg);}
}

@media screen and (max-width: 1200px){
  .main{
    padding: 0 20px;
  }
  .main .menu{
    width: 25%;
  }
  .main .energy{
    width: 65%;
    background-size: 100% 588px;
  }
  .main .energy .img>img{
    width: 100%;
    height: 100%;
  }
 
 
}

@media screen and (max-width: 768px){
  .main{
    margin: 0;
    padding: 0;
  }
  .main .energy{
    width: 100%;
    background-size: 100% 100%;
    background: #fff;
    padding: 0 4%;
    box-sizing: border-box;
  }
  .main .energy .energy_title{
    font-size: 20px;
    line-height: 20px;
    margin:40px 0 25px;
    font-weight: bold;
    text-align: center;
  }
  .main .energy .img>img{
    width: 100%;
    height: 100%;
  }
  .main .energy .reduce{
    font-size: 14px;
    color: #333;
    padding: 25px 0 21px;
    box-sizing: border-box;
    border-bottom: 1px solid #eee;
  }
  .main .energy .reduce_icon{
    color: #c6092d;
    font-size: 14px;
    margin:0 10px 19px;
  }
  .main .energy .text{
    padding: 20px 0 17px 0;
    box-sizing: border-box;
    font-size: 12px;
    line-height: 22px;
    color: #333;
  }
  .main .energy .spacing{
    margin-top: 10px;
  }
  .main .energy .plus{
    font-size: 14px;
    color: #333;
    font-weight: bold;
    padding: 24px 0 18px 3%;
    border-bottom: 1px solid #eee;
    box-sizing: border-box;
  }
  .main .energy .plus_icon{
    font-weight: normal;
    font-size: 14px;
    display: block;
    height: 30px;
    float: left;
    margin-right: 19px;
  }
  .main .energy .text{
    padding: 20px 4% 18px 3%;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 25px;
  }
  .main .energy .text_list>li{
    margin-top: 17px;
    text-indent: 0;
  }
  .main .energy .text_list .sublist{
    float: left;
    width: 50%;
    margin: 10px auto 10px;
  }
  .main .energy .load-btn{
    width: 37%;
    height: 40px;
    line-height: 40px;
    font-size: 13px;
    margin: 20px auto 0;
  }
  .main .energy .load-btn:hover{
    background: #c6092d;
    color: #fff;
  }
  .main .energy .load-btn.loading{
    background-color: #eee;
    border: none;
  }
}