@media screen and (max-width:1660px) {

	 
}

@media screen and (max-width:1440px) {

 
 
     
}

@media screen and (max-width:1280px) { 

	 div.video-wrap{ width: 90vw;height: auto;}
	 .inner{ width:88%;   margin: 0 auto;  }
	 
}

@media screen and (max-width:1100px) {

	.iPad-show{ display: block;}
	.iPad-none{ display: none;}
	.inner{ width:96%;   margin: 0 auto;  }

	.prolsit li{ width: calc((100% - 30px)/3); margin-right: 15px; margin-bottom: 15px;}
	  .prolsit li:nth-child(3n){ margin-right: 0;} 

	.logoImg{ height: 40PX;}
	header.scroll  .logoImg{ height: 40PX;}
	header .con{ padding: 0 0 0 20px;}
    
}
@media screen and (max-width:900px) {

	body{ font-size: 12px }
	.inner{ width:calc(100% - 40px);   margin: 0 auto;  }
	 
	.prolsit li{ width: 48%; margin-right: 4%;}
  .prolsit li:nth-child(2n){ margin-right: 0;} 
  .proClassUl{ display: none;}
  .idxBan .swiper-slide .text{ left: 20px;}
	 
}

@media screen and (max-width:560px) { 

	  .prolsit li {  width: 100%; margin-right: 0;} 
}



@media screen and (min-width:750px) { }
@media screen and (min-width: 500px) and (max-width: 900px) {
    /* 在这里定义宽度在500px到900px之间的样式 */
}