a.btn span {
  font-size: 20px;
  font-weight: bold;
  padding-right: 15px;
}

/*----vi----*/
.vi{
  background: url(../../img/top-banner.jpg) no-repeat 60% center /cover;
  border-bottom: 4px solid #C4151C;
}
.vi .wrap{
  margin: 0 auto;
  padding: 140px 10px 117px;
  text-align: center;
}
.vi h2{
  padding-bottom: 27px;
  margin-bottom: 26px;
  position: relative;
  font-size: 28px;
}
.vi h2:before {
  content: "";
  position: absolute;
  left: 0px;
  right: 0px;
  bottom: 0px;
  margin: 0 auto;
  height: 4px;
  width: 145px;
  background-color: #C4151C;
}
.vi p {
  font-size: 16px;
}
.vi img {
  margin: 45px 0 40px;
  width: 30px;
}

/*----business----*/
.business .wrap{
  position: relative;
  padding: 50px 10px;
}
.business .wrap section{
  width: 57%;
}
.business h2{
  margin-bottom: 37px;
  font-size: 24px;
}

.business .btn{
  margin: 55px 0 0 0;
}
.business_nav{
  width: 320px;
  position: absolute;
  top: 34px;
  right: 10px;
}
.business_nav li{
  border-radius: 10px;
  width: 100%;
  text-align: center;
  margin-bottom: 10px;
}
.business_nav li a{
  display: block;
  width: 100%;
  height: 100%;
  padding: 16px 10px;
  box-sizing: border-box;
  color: #fff;
}
.business_nav li a span{
  font-size: 18px;
  padding-right: 3px;
  font-weight: bold;
}
.business_nav li:nth-child(1){
  background-color: #8ec31f;
}
.business_nav li:nth-child(1) a:before{
  content: "";
  display: block;
  width: 76px;
  height: 70px;
  background: url("../../img/icon_business_education.png") no-repeat;
  background-size: contain;
  margin: 0 auto 5px auto;
}

.business_nav li:nth-child(2){
  background-color: #00a0e9;
}
.business_nav li:nth-child(2) a:before{
  content: "";
  display: block;
  width: 76px;
  height: 70px;
  background: url("../../img/icon_business_web.png") no-repeat;
  background-size: contain;
  margin: 0 auto 5px auto;
}
/*----csr----*/
.csr{
  background: url(../../img/map-bg.png) #A6C6E8 no-repeat bottom center /cover;
  -moz-box-shadow: inset 0px 11px 8px -10px #000, inset 0px -11px 8px -10px #000;
  -webkit-box-shadow: inset 0px 11px 8px -10px #000, inset 0px -11px 8px -10px #000;
  box-shadow: inset 0px 11px 8px -10px #000, inset 0px -11px 8px -10px #000;
}
.csr .wrap{
  padding: 60px 10px;
}
.csr h2 {
  font-size: 26px;
  margin-bottom: 10px;
}
.csr h2 span {
  font-size: 18px;
  padding-left: 15px;
}
.csr li{
  margin-right: 5px;
}
.csr li:last-child{
  margin-right: 0;
}
.csr li img {
  width: 100%;
  border: 5px solid #fff;
}
.csr .btn{
  margin: 30px auto 0;
  border: 2px solid #C4151C;
  background-color: rgba(255,255,255,0.3);
  color: #C4151C;
}
.csr a.btn:hover {
  background-color: rgba(255,255,255,1.0);
}

.csr p{
  text-align: center;
  padding: 10px;
  margin-top: 30px;
  font-weight: bold;
}
/**\\\\\768 breakpoint\\\\\**/
@media screen and (max-width: 768px) {
  /*----vi----*/
  .vi .wrap{
    padding: 140px 10px 117px;
  }
  /*----business----*/
  .business .wrap{
    position: static;
    padding: 40px 10px;
  }
  .business .wrap div{
    width: 100%;
  }
  .business img{
    margin: 40px auto 0;
    width: 90%;
    max-width: 400px;
    display: block;
    position: static;
  }
  .business .btn{
    margin: 40px auto 0;
  }

  .business .wrap section {
    width: 100%;
  }

  .business_nav{
    width: 260px;
    position: static;
    margin: 30px auto 0 auto;
  }
  .business_nav li:nth-child(1) a:before{
    width: 65px;
    height: 60px;
  }
  .business_nav li:nth-child(2) a:before{
    width: 65px;
    height: 60px;
  }

  /*----csr----*/
  .csr .wrap{
    padding: 30px 10px 50px;
  }
  .csr li{
    margin-right: 0;
    padding: 0 3%;
  }
}