body,div,a,img,p,ul,ol,li,dl,dt,dd,span,h1,h2,h3,h4,h5,table,tr,td,figure{
	margin:0px;
	padding:0px;
	font-size:15px;
	color: #333;
	font-family: 'Microsoft YaHei','arial';
}
img{border:0px;}
ul,ol,li{list-style: none;}
a,a:hover{text-decoration: none;}


.rimian_1{width: 100%;height: auto;position: relative}
.rimian_1 img{display: block;width: 100%;height: auto}
.rimian_1 .logo{position: absolute;left: 10%;font-size: 35px;color: #fff;top: 70px;}

.rimian_2{width: 80%;height: auto;margin: 0 auto;padding: 80px 0}
.rimian_2 dt{font-size: 30px;font-weight: bold;}
.rimian_2 dd{line-height: 30px;font-size: 16px;margin-top: 20px;opacity: 0.8}


.rimian_3{width: 100%;height: auto;margin: 0 auto;background: #f8f8f8;padding: 80px 0}
.rimian_3 ul{display: flex;justify-content: space-between;width: 80%;height: auto;margin: 0 auto;;}
.rimian_3 ul li{width: 15%;padding: 60px 4%;border: 1px solid #ddd;border-radius: 5px;text-align: center}

.rimian_3 ul li dt{margin-bottom: 20px}
.rimian_3 ul li dd{font-size: 17px;}

.rimian_4{padding: 25px 0;text-align: center;}