body{
  background-color: #fff;
  padding-top: 80px;
}

.module{
  width: 1200px;
}
.banner{
  width: 100%;
  min-width: 1200px;
  height: 420px;
}
.banner_con{
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.banner_con .text{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.banner_con .text h3{
  font-size: 34px;
  color: #fff;
  letter-spacing: 40px;
}
.banner_con .text p{
  margin-top: 48px;
  font-size: 14px;
  color: #fff;
  letter-spacing: 20px;
}
.banner_con img{
  position: absolute;
  z-index: 0;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.introduce{
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 80px;
  padding-bottom: 35px;
}
.introduce h3{
  font-size: 24px;
  color: #000;
  line-height: 1;
  margin-bottom: 15px;
}
.introduce p{
  font-size: 14px;
  line-height: 40px;
  color: #666;
}


.partner_bg{
  margin-top: 42px;
  width: 100%;
  display: flex;
  justify-content: center;
  background-color: #f7f7f7;
}
.partner{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 83px;
}
.partner h3{
  font-size: 30px;
  color: #333;
}
.partner .list{
  width: 100%;
  margin-top: 53px;
  display: flex;
  justify-content: space-between;
}
.partner .list .item{
  width: 286px;
  height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #fff;
}
.partner .item img{
  align-self: flex-start;
}
.partner .item p{
  margin-top: 35px;
  font-size: 24px;
  color: #333;
}
.nav_b{
  width: 100%;
  height: 60px;
  position: relative;
}
.nav_b .box{
  width: 100%;
  height: 60px;
  position: absolute;
  left: 0;
  top: 0;
  background-color: #eee;
  display: flex;
  justify-content: center;
  z-index: 999;
  box-shadow:  0 5px 10px 0 rgba(0, 0, 0, 0.1);
}
.nav_b .box .con{
  width: 1280px;
  box-sizing: border-box;
  padding: 0 40px;
  display: flex;
}
.nav_b .box .con a{
  margin-right:2px;
  font-size: 18px;
  color: #333;
  line-height: 60px;
  box-sizing: border-box;
  border-bottom: 2px solid #eee;
  transition: 0.5s;
}
.detail{
  margin-top: 80px;
}
.detail .title{
  margin-bottom: 60px;
}
.detail .title h3{
  font-size: 28px;
  color: #333;
}
.detail .title p{
  font-size: 14px;
  margin-top: 23px;
  color: #999;
}
.detail .con{
  margin-top: 60px;
}
.detail .con img{
   width: 100%;
}
.detail .con p{
  font-size: 12px;
  color: #999;
  line-height: 26px;
}
.detail .con img{
  /*margin: 40px auto;*/
  /*max-width: 100%;*/
  /*height: 555px;*/
  /*background-color: #000;*/
}