.only_back{background-image: url(../img/backpic_relation.png);background-size: 100% 100%; background-repeat: no-repeat;height: 340px;width: 1000px;}
.first_content{width:inherit;height: 240px;padding-top:60px;}
.main_title{font-size: 3.5rem;font-weight: 300;line-height: 1.2;}
.main_two_title{font-size: 18px; font-weight: 300;display: block;margin-top: 20px;display: block;width: inherit;border-bottom: 1px solid gainsboro;padding-bottom: 30px;color: dimgray;font-family: "微软雅黑";}
.second_content{width: 1000px;height: 1450px;border-bottom: 1px solid lightgrey;}
.store_message .store_title{font-size: 24px;font-weight: 900;line-height: 36px;}
.store_message .store_content{font-size: 20px;line-height: 36px;}   
.wrapper_store{width: 1000px;height: 180px;}
.store_message.is_first{width:1000px;}
.store_message.not_first{width:500px;float: left;}
.store_message.left{padding-right: 20px;}
.store_message.right{padding-left: 20px;}

/*地图*/
#allmap{width: 1000px;height: 600px;margin-top: 40px;}

/**第三栏**/
.third_content{width: 1000px;height: 300px;padding-top: 40px;}
.third_content>.expected_one{display:block;font-size: 40px;text-align: center;width: inherit;font-weight: 900;}
.third_content>.expected_two{display:block;font-size: 48px;text-align: center;width: inherit;font-weight: 900;}