.main1_container_wrap {margin: 0; padding: 0; z-index:0; overflow:hidden; }
.main1_container {position:relative; width:2000px; min-height:750px; left:50%; margin:0 0 0 -1000px; z-index:0; clear:both; overflow:hidden; }
.mainimg1_wrap {width:100%; z-index:3; clear:both; position:absolute; left:0; top:0; overflow:hidden; }
.mainimg1 {width:100%; float:left; position: relative; z-index:3; }

@media all and (max-width:1300px) { 
	.main1_in {width:100vw; }
}
@media all and (max-width:1000px) { 
	.main1_container {width:100%; margin:0px auto 0 auto; left:0; min-height:initial;}
	.mainimg1_wrap {position:static; }	
}
@media all and (max-width:650px) { 
	.main1_container_wrap {display:none;}
}
/* =mainbbs1 begin=================================================================== */
.mainbbs1_container {overflow:hidden; }
.mainbbs1_in {width:1300px; margin:50px auto 0 auto; overflow:hidden; }
.mainbbs1 {width:650px; overflow:hidden; }
.mainbbs1_left {float:left; }
.mainbbs1_right {float:right; }
@media all and (max-width:1300px) { 
	.mainbbs1_in {width:100%; }
	.mainbbs1 {float:none; margin:0 auto; }
}
@media all and (max-width:650px) { 
	.mainbbs1_in {margin:0 auto; }
	.mainbbs1 {width:100%;}
}
/* =mainbbs1 end=================================================================== */