@media screen and (min-width: 1000px) {
	#button{
		width: 100px;
		height: 100px;
		border-radius: 50%;
		margin: 0 auto;
		border: 2px solid rgba(255,255,255,.7);
		display: flex;
		justify-content: center;
		align-items: center;
		position: relative;
	}
	#button:hover{
		background-color: rgba(255,255,255,.7);
	}
	#button:hover #pic_two{
		display: block;
	}
	#player{
		width: 100%;
		height: 100%;
		margin: 20px 0;
		position: relative;
		cursor: pointer;
	}
	#player img{
		position: absolute;
		left: 77%;
		top: 50%;
		margin: -24px 0 0 -24px;
		width: 48px;
		height: 48px
	}
	#pic_one{
		display: block;
	}
	#pic_two{
		display: none;
	}
	.font{
		width: 200px;
		text-align: center;
		margin: 15px auto;
	}
	.size{
		font-size: 16px;
		font-weight: bolder;
		color: #fff;
		text-align: center;
	}
	/* .size:first-child{
		margin: 0 0 0 30px;
	} */
	/*.play_m{
		display: none;
	}
	.play_m img{
		width: 48px;
		height: 48px; 
	}*/
	.zc{
		width: 100%;
		height: 750px;
		position: fixed;
		z-index: 100;
		top:100px;
		left: 0;
		display: none;
		/*background-color: rgba(255,255,255,.7);*/
	}
	.zc video{
		width: 60%;
		height: 70%;
		margin: 5% 20%;
	}
	.close{
		width: 100px;
		height: 30px;
		color: #fff;
		background-color: rgba(100,100,100,.5);
		position: absolute;
		right: 20%;
		top: 10%;
		margin: -3px 0 ;
		line-height: 30px;
		text-align: center;
		cursor: pointer;
	}
	.close:hover{
		background-color: rgba(200,200,200,.5);
	}
	.box{
		width: 200px;
		height: 200px;
		position: absolute;
		top: 50%;
		left: 50%;
		margin: -100px 0 0 -100px;
	}
}
/*  手机端 */
@media only screen and (min-width: 320px) and (max-width: 1000px) {
	.box{
		width: 150px;
		height: 150px;
		position: absolute;
		top: 50%;
		left: 50%;
		margin: -75px 0 0 -75px;
	}
	#button{
		width: 80px;
		height: 80px;
		border-radius: 50%;
		margin: 0 auto;
		border: 2px solid rgba(255,255,255,.7);
		display: flex;
		justify-content: center;
		align-items: center;
		position: relative;
	}
	#button:hover{
		background-color: rgba(255,255,255,.7)
	}

	#player{
		width: 100%;
		height: 100%;
		margin: 10px 0;
		position: relative;
	}
	#player img{
		position: absolute;
		left: 50%;
		top: 50%;
		margin: -16px 0 0 1px;
		width: 32px;
		height: 32px
	}
	.font{
		width: 150px;
		text-align: center;
		margin: 10px auto;
	}
	.size{
		font-size: 14px;
		font-weight: bolder;
		color: #fff;
		text-align: center;
	}
	.zc{
		width: 100%;
		height: 500px;
		position: fixed;
		z-index: 100;
		top:50px;
		left: 0;
		display: none;
		background-color: rgba(255,255,255,.7);
	}
	.zc video{
		width: 100%;
		height: 70%;
		margin: 5% 0;
	}
	.close{
		width: 50px;
		height: 20px;
		color: #fff;
		background-color: rgba(100,100,100,.5);
		position: absolute;
		right: 0;
		top: 0;
		margin: 1.5em 0 ;
		line-height: 20px;
		text-align: center;
		cursor: pointer;
	}
	.close:hover{ 
		background-color: rgba(200,200,200,.5);
	}
}