/* pc 宽度大于1200px */
@media screen and (min-width: 1200px) {
	/*子页面视频*/
.spjj .cc tbody tr td iframe{
	    width: 500px;
    height: 300px;
	
}
}
/* 平板 小于1199 大于501px*/
@media screen and (max-width: 1199px) and (min-width: 501px){
	/*子页面视频*/
.spjj .cc tbody tr td iframe{
	    width: 500px;
    height: 300px;
	
}
}
/*手机 最大500px*/
@media screen and (max-width: 500px){
	/*子页面视频*/
.spjj .cc tbody tr td iframe{
	    width: 200px;
    height: 100px;
	
}
}