*{
  margin: 0;
  padding: 0;
  text-decoration: none;
}
.main-container{
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.header{
  display: flex;
  justify-content: center;
  background-color: #3a3b44;
  height: 75px;
  width: 100%;
  position: fixed;
}
.header-container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1000px;
}

.header-container img{
  width: 115px;
  height: 45px;
  margin-right: 55px;
}
.header-nav{
  display: flex;
  justify-content: space-between;
  width: 360px;
  list-style-type: none;
}
.header-leftnav{
  display: flex;
  align-items: center;
}

.header-login{
  display: flex;
  justify-content: space-around;
  width: 320px;

}
.head-btn{
  display: flex;
  justify-content: center;
  align-items: center;
  color: #58a673;
  width: 100px;
  border-radius: 2px;
  border:1px solid #58a673;
}
.head-btn:hover{
  color: #fff;
  background-color: #58a673;
}
.dl-btn{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 36px;
  width: 70px;
  color: #fff;
  background-color: #58a673;
  border-radius: 2px;
}

.nav-home{
  color:  #58a673;
  font-size: 15px;
}
.nav-item{
  color: #fff;
  font-size: 15px;
}
.nav-item:hover{
  color: #58a673;
}
/*_______________头部结束___________________*/
.about-container{
  display: flex;
  justify-content: center;
  padding: 70px 0;
}
.about-list{
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 1000px;
  padding-top: 70px ;
}
.about-title{
  margin-bottom: 70px;
}
.about-title span{
  display: inline-block;
  font-size: 42px;
  color: #3f464b;
  line-height: 50px;
}
.about-title p{
  display: inline-block;
  font-size: 18px;
  color: #b1b1b5;
  margin-left: 20px;
}
.about-content{
  font-size: 16px;
  line-height: 30px
}
.about-content p{
  margin-bottom: 16px;
}
/*___________结束________*/
.believe-container{
  display: flex;
  justify-content: center;
}
.believe-list{
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 1000px;
}
.believe-list-title{
  margin-bottom: 70px;
}
.believe-list-title span{
  display: inline-block;
  font-size: 42px;
  color: #3f464b;
  line-height: 50px;
}
.believe-list-title p{
  display: inline-block;
  font-size: 18px;
  color: #b1b1b5;
  margin-left: 20px;
}
.list-main-content span{
  display: inline-block;
  width: 52px;
  height: 52px;
  line-height: 52px;
  text-align: center;
  background-color: #62bd82;
  color: #fff;
  border-radius: 50%;
  font-size: 25px;
  box-shadow: 0 5px 5px #deede3;
  margin-right: 15px;
}
.list-main-content p{
  font-size: 16px;
  line-height: 30px;
  color: #3f464b;
  width: 360px;
}
.list-main-content{
  display: flex;
  width: 500px;
  height: 130px;
}
.believe-list-main{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
/*________结束________*/
.page-footer{
  display: flex;
  justify-content: center;
  background-color:#1d1a33;
}
.footer-container{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 1000px;
  padding-top: 60px;
}
.footer-top{
  display: flex;
}
.about{
  width: 230px;
  margin-right: 80px;
}
.title-tongyi{
  display: inline-block;
  font-size: 15px;
  color: #fff;
  height: 50px;
  line-height: 20px;
}
.title-tongyi:after{
  content: "";
  display: block;
  margin-top: 10px;
  margin-left: 2px;
  width:19px;
  height: 3px;
  background-color: #292644;
}
.subnav{
  list-style-type: none;
}
.intro{
  font-size: 14px;
  color: #8a8b91;
  line-height: 28px;
}
.navbottom{
  width: 160px;
}
.contact-us{
  width: 230px;
}
.logo-bottom{
  width: 115px;
  height: 45px;
  margin-right: 170px;
}
.footer-bottom{
  text-align: center;
  margin-top: 10px;
  color: #fff;
  height: 32px;
  line-height: 32px;
  width: 1000px;
  font-size: 12px;
  border-top: 1px solid #8a8b9136;
}
.footer-bottom img{
  height: 17px;
  width: 17px;
}