.kuang,.lngich{width:1140px; margin:0px auto; clear:both;height:auto;}

.main_a{ width:100%;padding:45px 0px 49px 0px;}
.main_a_center{ width:1140px; height:670px; margin:0 auto;}
.main_a_title{ margin-bottom:30px;}
.main_a_list ul{ width:1140px;position: relative;}
.main_a_list ul li{position: absolute;line-height:0px; overflow:hidden;}
.main_a_list ul li a{ cursor:pointer;}
.main_a_list ul .a1{top: 0px;left: 0px;}
.main_a_list ul .a1 img{ width:641px; height:330px; border:none;}
.main_a_list ul .a2{top:0;right:0px; }
.main_a_list ul .a2 img{width:489px; height:330px; border:none;}
.main_a_list ul .a3{top:340px;left:0;}
.main_a_list ul .a3 img{ width:489px; height:330px; border:none;}
.main_a_list ul .a4{top:340px;right:0;}
.main_a_list ul .a4 img{ width:641px; height:330px; border:none;}
.main_l{width:470px;height:752px;overflow:hidden;float:left;}
.main_l_video{width:470px;height:375px;position:relative;background:url(../images/mycorp.jpg) no-repeat center;}
.main_l_p{background:#6f685a;width:470px;height:375px;overflow:hidden;position:relative;}
.main_l_p H1{font-size:32px;color:#fff;text-align:center;margin-top:150px;font-weight:100;}
.main_l_p p{font-size:21px;color:#fff;text-align:center;margin-top:35px;font-weight:100;}