.txt_main{ clear:both; width:100%; min-width:320px; min-height:18.75vw; background:url(../images/txt_bg.png) top center no-repeat; background-size:100% 100%;}
	.txt_body{ clear:both; width:1200px; margin:0 auto; padding:3vw 0; }
		.txt_title{ clear:both; width:100%; height:4.15vw; line-height:4.15vw; font-size:2em; color:#2763ff; text-align:left; white-space:nowrap; overflow:hidden;}
		.txt_content{ clear:both; width:100%; line-height:200%; text-align:left; table-layout:fixed; word-wrap: break-word; word-break: break-all; box-sizing:border-box; overflow:hidden;}

.index_img{ clear:both; width:100%; text-align:center; overflow:hidden;}
	.index_img img{ width:100%;}
		
@media (min-width:769px) and (max-width:1219px){
	.txt_body{  width:96vw;}
	.index_img img{ width:140%; margin-left:-20%;}	
}
@media (min-width:0px) and (max-width:768px){
	.txt_body{  width:96vw;}
	.index_img img{ width:140%; margin-left:-20%;}	
}