.theme{width:100%;height:603px;text-align: center;background-repeat: no-repeat;background-size: 100%;}
.theme h1{color: #ffffff;font-size: 59px;font-weight: bold;position: relative;top: 30%;}
.part_1{display: flex;margin-top: 150px;}
.content{width: 50%;background-color: #eeeeee;padding-bottom: 40px;}
.title{font-size: 50px; text-align: center;margin-top: 50px}
.title_el{font-size: 15px; text-align: center;}
.title_el span{border-bottom: 1px solid #999;padding:5px 10px 5px 10px;}
.text_1{width: 72%;margin: 35px auto;text-indent:2em;line-height: 30px;color: #6f6f6f;font-size: 15px}
.text_1 p{margin: 0;padding: ;}
.text_2{height: 80%;background-color:#e4e4e4;position:relative;}
.text_2 dl{width:75%;height:80%;position:absolute;left:-5%;top:10%;
background-size:cover;background-position:center center;background-repeat:no-repeat;}

.anniu {
	height: 50px;
	margin: 50px 0 0 0;
}

.anniu div {
	width: 18%;
	border: 1px solid #000000;
	border-radius: 30px;
	line-height: 40px;
	margin: 0 auto;
	text-align: center;
}

.anniu a {
	line-height:40px;
	font-size: 20px;
	color: #000000;
	text-decoration:none
}
.anniu div:hover{background:#4ababc;border:solid 1px #4ababc;}

.part_2{margin-top: 150px; width: 100%;height: 525px;background-repeat: no-repeat;text-align: center;}
.part_2_title{position: relative;top: 50%; transform: translateY(-30%);}
.part_2 h1{ color: #ffffff;font-size: 32px;font-weight: normal;margin: 0;}
.part_2 h2{font-weight: normal;color: #ffffff;font-size: 27px;margin: 10px;}
.part_3{margin-top: 150px;height:auto;}
.part_3 img{width:100%;background-repeat: no-repeat;}
.part_4{margin-top: 150px; width: 100%;height: 525px;background-repeat: no-repeat;text-align: center;}
.part_4_title{position: relative;top: 50%; transform: translateY(-30%);}
.part_4 h1{ color: #ffffff;font-size: 32px;font-weight: normal;margin: 0;}
.part_4 h2{font-weight: normal;color: #ffffff;font-size: 27px;margin: 10px;}
.part_5{margin-top: 150px; width: 100%;display: flex;margin-bottom: 140px;}
.part_5_content1{width: 50%}
.part_5_content1 img{width: 100%;}
.part_5_beijing{width:50%;background-color:#ffffff;}
.part_5_content2{height: 80%;background-color:#e4e4e4;position:relative;}
.part_5_content2 dl{width:75%;height:100%;position:absolute;left:-5%;top:12%;
background-size:cover;background-position:center center;background-repeat:no-repeat;}


@media (max-width: 1024px){
	.nav-menu a{
		padding: 10px 10px;
	}
	.part_5_content2 img{width: 80%;}
	.part_5_content2 img{top: 35px;
    right: 40px;}
	.anniu{height: 35px;
    margin: 30px 0 0 0;}
	.anniu a{font-size: 15px;}
	.part_3{height: 375px;}
	.title{font-size: 22px;margin-top: 25px;}
	.title_el{font-size: 10px;}
	.text_1{font-size: 10px;width: 80%;line-height: 20px;margin: 15px auto;}
	.text_2 img {
	    top: 90px;
	    right: 29px;
	    width: 75%;
	}
	.theme{height: 350px;}
	.theme h1{font-size: 33px;top: 28%;}
	.content{padding-bottom: 15px;}
	.part_1{margin-top: 100px;}
	#header{
		padding-right: 0;
	}
}