html {
  font-family: 'Source Sans Pro', 'Helvetica Neue', Helvetica, 'Microsoft Yahei', Arial, sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Microsoft yahei", arial, Simsun, sans-serif;
}
* {
  margin: 0;
  padding: 0;
}
li {
  list-style: none;
}

a {
  text-decoration: none;
}
img {
  display: block;
}

.ml-50 {
  margin-left: 50px;
}
.front {
  overflow: hidden;
}
.front img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  overflow: hidden;
}

.front-footer {
  height: 96px;
  line-height: 96px;
  font-size: 12px;
  color: #666;
  text-align: center;
}
.front-footer a {
  color: #666;
}
    
.front-head-dot {
  max-height: 320px;
  width: 100%;
}
  
.front-body {
  background: #fff;
  width: 1000px;
  margin: 72px auto 0 ;
}

.front-body  h2 {
  font-size: 36px;
  color: #222;
  position: relative;
  margin-bottom: 60px;
  text-align: center;
}
    
.front-body  h2:before {
  content: '';
  height: 6px;
  width: 50px;
  border-radius: 3px;
  background: #DEE400;
  position: absolute;
  bottom: -20px;
  left: calc(50% - 25px);
}

.front-body li {
  margin-bottom: 30px;
  border-radius: 10px;
}
   
.front-body li:last-child {
  margin-bottom: 0;
}
      
.front-head {
  width: 100%;
  position: relative;
}
  
.front-head .front-logo {
  width: 157px;
  height: 68px;
  position: absolute;
  left: 80px;
  top: 30px;
}