#main{width:100%;height:auto;margin:0px 0px 60px 0px;padding:0px 0px;float:left;}
#main_a{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;}
#main_a img{width:100%;height:auto;margin:0px auto;padding:0px 0px;display:block;}
#main_b{width:60%;height:auto;margin:0px 20%;padding:100px 0px;float:left;}
#main_b h3{width:30%;height:auto;margin:0px auto;padding:0px 0px 10px 0px;text-align:center;font-size:42px;color:#4d5357;border-bottom:5px solid #fddf00;}
#main_b p {width:100%;height:auto;margin:0px auto;padding:0px 0px;float:left;}
#main_b p img{width:100%;height:auto;}

@media screen and (max-width:1400px){

#main_b{width:70%;height:auto;margin:0px 15%;padding:100px 0px;float:left;}
#main_b h3{width:30%;height:auto;margin:0px auto;padding:0px 0px 10px 0px;text-align:center;font-size:32px;color:#4d5357;border-bottom:5px solid #fddf00;}
	
}

@media screen and (max-width:800px){

#main_b h3{width:40%;}
	
}

@media screen and (max-width:576px){
	#main{width:100%;height:auto;margin:0px auto;padding:0px 0px;float:left; }
	#main_a{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left; }
	#main_a img{display:block;width:100%;height:auto;margin:0px auto;padding:0px 0px;}
	#main_b{width:100%;height:auto;margin:30px 0px;padding:0px 0px;float:left; }
	#main_b h3{width:70%;height:auto;margin:0px auto;padding:0px 0px 10px 0px;text-align:center;font-size:18px;color:#4d5357;border-bottom:5px solid #fddf00;}
	#main_b p {width:100%;height:auto;margin:0px auto;padding:0px 0px;float:left;}
	#main_b p img{width:100%;height:auto;display:block;}	
}
#main_c{width:100%;height:364px;margin:0px 0px;padding:0px 0px;float:left;background-image: url(../images/Demo_07.jpg) ;}
#main_c h3{width:16%;height:auto;margin:0px 42%;margin-top:125px;padding:0px 0px 10px 0px;text-align:center;font-size:42px;color:#4d5357;border-bottom:5px solid #fddf00;}

@media screen and (max-width:1400px){

#main_c h3{width:20%;height:auto;margin:0px 40%;margin-top:125px;padding:0px 0px 10px 0px;text-align:center;font-size:32px;color:#4d5357;border-bottom:5px solid #fddf00;}
	
}

@media screen and (max-width:800px){

#main_c h3{width:40%;margin:0px 30%;margin-top:125px;}
	
}

@media screen and (max-width:576px){
	#main_c{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;background-image: none;}
	#main_c h3{width:62%;height:auto;margin:0px 19%;padding:0px 0px 10px 0px;text-align:center;font-size:18px;color:#4d5357;border-bottom:5px solid #fddf00;
	}
}
#main_d{width:60%;height:auto;margin:0px 20%;padding:100px 0px;float:left;}
#main_d p {width:100%;height:auto;margin:0px auto;padding:0px 0px;float:left;}
#main_d p img{width:100%;height:auto;}
#main_e{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;}
.main_e_1{width:100%;height:140px;margin:0px auto;padding:0px 0px;float:left;background-image: url(../images/sdbg210323000.png);background-repeat:no-repeat;background-position-x:center;background-position-y:center;background-size:contain;}
.main_e_1 h3{width:30%;height:auto;margin:0px 35%;margin-top:70px;padding:0px 0px 10px 0px;text-align:center;font-size:42px;color:#4d5357;}
.main_e_2{width:60%;height:auto;margin:0px 20%;padding:30px 0px;float:left;}
.main_e_2 ul{width:90%;height:auto;margin:0px 5%;padding:0px 0px;float:left;}
.main_e_2 ul li{width:18%;height:auto;margin:0px 0px;padding:0px 1%;float:left;font-size:22px;color:#4d5357;text-align:center;overflow: hidden;text-overflow:ellipsis;white-space: nowrap;}
.main_e_3{width:60%;height:auto;margin:0px 20%;padding:30px 0px;float:left;}
.main_e_3 p {width:100%;height:auto;margin:0px auto;padding:0px 0px;float:left;}
.main_e_3 p img{width:100%;height:auto;}

@media screen and (max-width:1400px){
.main_e_1 h3{font-size:32px;}
.main_e_2{width:80%;height:auto;margin:0px 10%;padding:30px 0px;float:left;}

}

@media screen and (max-width:768px){
	

}
@media screen and (max-width:576px){
	#main_d{width:100%;height:auto;margin:0px auto;padding:30px 0px;float:left;}
	#main_e{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;}
	.main_e_1{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;background-image: url(../images/sdbg210323000.png);}
	.main_e_1 h3{width:62%;height:auto;margin:30px 19%;padding:30px 0px 0px 0px;text-align:center;font-size:18px;color:#4d5357;}	
	.main_e_2{display:none;}
	.main_e_3{width:100%;height:auto;margin:0px 0px;padding:20px 0px;float:left;}	
}
#main_f{width:60%;height:auto;margin:30px 0px;padding:50px 20%;float:left;background-color:#eeeeee;}
#main_f h3{width:30%;height:auto;margin:0px auto;padding:0px 0px 10px 0px;text-align:center;font-size:42px;color:#4d5357;border-bottom:5px solid #fddf00;}
#main_f p {width:100%;height:auto;margin:0px auto;padding:30px 0px;float:left;}
#main_f p img{width:100%;height:auto;}

@media screen and (max-width:1400px){

#main_f h3{width:30%;height:auto;margin:0px auto;padding:0px 0px 10px 0px;text-align:center;font-size:32px;color:#4d5357;border-bottom:5px solid #fddf00;}
	
}

@media screen and (max-width:800px){
	
#main_f h3{width:70%;height:auto;margin:0px 15%;}

}

@media screen and (max-width:576px){
#main_f{width:100%;height:auto;margin:0px 0px;padding:0px 0px;float:left;}	
#main_f h3{font-size:18px;margin-top:30px;}
#main_f p img{width:100%;height:auto;}
}