/* 四大优势 */
.youshi {
  padding-top:20px;
}

.youshi h1 {
  height: 78px;
  margin: 0 auto;
  font-size: 46px;
  text-align: center;
  color: #000;

}

.youshi h1 span {
  color: #ff6c13;
}

.youshi .code ul {
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding: 30px 0;
  margin: 0;
}

.youshi .code ul li {
  list-style: none;
  background: #f1f1f1;
  width: 24%;
  -webkit-transition: all .5s;
  transition: all .5s;
  cursor: pointer; float:left;
  height:230px;
}

.youshi .code ul li h3 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: 0;
  padding: 0;
  color: #000;
  font-size: 20px;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.youshi .code ul li h3 img {
  padding-right: 10px;
}

.youshi .code ul li p {
  padding: 30px 20px;
  font-size: 16px;
}

.youshi .code ul .li1 {
  border-bottom: 2px solid #b762f2;
}

.youshi .code ul li:hover {
  background: #fff;
  border-bottom: none;
  -webkit-box-shadow: 2px 2px 2px #b8b8b8;
  box-shadow: 2px 2px 2px #b8b8b8;
}

.youshi .code ul .li2 {
  border-bottom: 2px solid #62d6d0;
}

.youshi .code ul .li3 {
  border-bottom: 2px solid #41b681;
}

.youshi .code ul .li4 {
  border-bottom: 2px solid #fc8a6c;
}

/* 进阶 */
.zhongji {
  padding: 50px 0;
}

.zhongji .tit img {
  display: block;
  margin: 0 auto;
}

.zhongji .list ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin: 0;
  padding: 20px 0;
}

.zhongji .list ul li {
  list-style: none;
  border: 1px solid #dddddd;
  padding: 10px;
  width: 23%;
  margin: 10px 0;
}

.zhongji .list ul li .con {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.zhongji .list ul li .con p {
  margin: 0;
  padding: 5px 0 0 0;
  color: #494949;
  font-size: 16px;
}

.zhongji .list ul li .con a {
  color: #f2341d;
  font-size: 16px;
  padding-top: 5px;
}