*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
	background-color: #323335;
}

.header{
  background-color: #fff;

}
.header ul{
  width: 1000px;
  margin: 0 auto;
  list-style: none;
}
.header ul li{
  display: inline-block;
  margin-right: 60px;
}

.header ul li.active {
  position: relative;
}
.header ul li.active::after {
  position: absolute;
  content: "";
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 3px;
  background-color: #1D6DE3;
}

.header ul li.active a{
  color: #1D6DE3;
  font-weight: bold;
}


.header ul li a{
  line-height: 60px;
  color: #999;
  font-size: 18px;
  text-decoration: none;
}
.header ul li a:hover{
  color: #000;
}


.banner-bg{
  width: 100%;
  height: 450px;
  background: url('../img/banner_bg.jpg') no-repeat center;
  background-size: cover;
}
.banner-box{
  width: 1000px;
  height: 450px;
  margin: auto;
  display: flex;
  align-items: center;
}
.banner-box .content h1{
  font-size: 70px;
}
.banner-box .content .txt{
  display: inline-block;
  margin-top: 20px;
  height: 34px;
  line-height: 30px;
  background-color: #1D6DE3;
  color: #ddd;
  padding: 2px 10px;
  border-radius: 8px;
}


.number-bg{
  width: 100%;
  height: 250px;
  background: url('../img/number_bg.jpg') no-repeat center;
  background-size: cover;
}
.number-box{
  width: 1000px;
  height: 230px;
  margin: auto;
  display: flex;
  align-items: center;
}
.number-box .item{
  width: 40%;
  color: #fff;
  text-align: center;
  position: relative;
}
.number-box .item:first-child{
  width: 20%;
  text-align: left;
}
.number-box .item:after{
  position: absolute;
  content: "";
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: #fff;
  opacity: 0.25;
}
.number-box .item:last-child:after{
  width: 0;
}

.number-box .item h1{
  font-size: 80px;
}
.number-box .item h1 span{
  font-size: 20px;
}
.number-box .item p{
  margin-top: 10px;
  font-size: 24px;
}

.bottom-box{
  background-color: #323335;
}
.bottom-con{
  width: 1000px;
  padding: 15px 0;
  margin: auto;
  color: #ccc;
  font-size: 14px;
}

.bottom-con .info{
  padding-bottom: 10px;
  border-bottom: 1px solid #666;
  display: flex;
}

.bottom-con .info .about{
  margin-right: 100px;
}
.bottom-con .info .news{
  margin-right: 100px;
}
.bottom-con .info h2{
  margin-bottom: 10px;
}
.bottom-con .info p{
  line-height: 24px;
}


.bottom-con .copy{
  padding-top: 10px;
  line-height: 24px;
}

.bottom-con .copy a{
  color: #1D6DE3;
}