html,body{height:100%;width: 100%;}
.clear{clear: both;}
.menu_1{width: 100%;background: #eee;height:259px;}
.menu_1_center{margin: 0 auto;width:auto;height:auto;font-size: 18px;text-align: center;font-weight:500;}
.menu_1_center p{    color: #ea5405;
    padding-top: 50px;
    font-size: 23px;}
.menu_1_center h3{font-weight:normal;display: block;width: 180px;margin: auto;border: 1px solid #000;padding:13px 0;margin-top:50px;color: #595757;font-size: 15px;}

.menu-2{width: 100%;height:auto;margin-top:75px;margin-bottom:75px;overflow: hidden;}
.menu_2_all{width:calc(100% - 400px);height:100%;margin: 0 auto;text-align: left;}
.menu_2_left{width: 44%;height: 70%;float: left;}
.menu_2_left_a{width: 100%; height: 100%;margin-top:15px;}
.menu_2_left h2{font-size:30px;color: #ea5405;border-bottom: 1px solid #595757;width: 270px;padding-bottom: 20px;}
.menu_2_left span{display:block;color:#686767;letter-spacing:0.2em;width: 100%;margin-top:10px;margin-bottom:10px;font-size: 12px;}
.menu_2_left h3{font-size:25px;color: #ea5405;padding-bottom: 10px;font-weight:300;}
.menu_2_left_p2{font-size: 20px;color:#595757;border-bottom: 1px solid #595757;width: 100%;padding-bottom: 15px;}
.menu_2_left_p{font-size: 30px;color: #595757;border-bottom: 1px solid #595757;width: 100%;padding-bottom: 10px;padding-top:10px;}

.menu_2_right{float:right;width:44%;margin-top: 19px;overflow: hidden;}
.menu_2_right img{width:100%;/*transition: all 0.3s;*/height:auto;/*transform: scale(1.3);*/}
/*.menu_2_right img:hover{transform: scale(1.1);}*/


.nav_1{height:100%;}