@charset "utf-8";
/* CSS Document */
*{
	box-sizing: border-box;
}
.book_page{
/*	width: 100%;*/
	width: 950px;
/*	background: #ff0;*/
}
.book_page li{
	width: 25%;
	height: 310px;
	float: left;
	text-align: center;
	margin-bottom: 50px;
/*	border: 1px solid #f00;*/
	
}
.book_page ul:after {
	content: "";
	display: table;
	clear: both;
}
.book_li{
	width: 170px;
	margin: 0 auto;
}
.book_li *{
	transition: all .5s;
}
.book_li a{
	display: block;
}
.book_li .img{
	width: 162px;
	height: 220px;
	margin-bottom: 30px;
	box-shadow: 7px 7px 0px rgba(214, 230, 223, 1);
}
.book_li .img img{
	width: 100%;
	height: 100%;
}
.book_li .bt{
	background: #e6eeeb;
	line-height: 1.8;
	padding: 8px 15px;
	color: #356439;
	border-radius: 5px;
	font-size: 18px;
	font-weight: bold;
}
.book_li:hover .bt{
	background: #027a7a;
	color: #fff;
}
.book_li:hover .img{
	box-shadow: 7px 7px 0px rgba(170, 210, 192, 1);
}

@media screen and (max-width: 1440px){
	.book_page{
/*		width: 100%;*/
		width: 700px;
	/*	background: #ff0;*/
	}
	.book_page li{
		width: 25%;
		height: 220px;
		margin-bottom: 30px;
	}
	.book_li{
		width: 122px;
	}

	.book_li .img{
		width: 116px;
		height: 158px;
		margin-bottom: 20px;
		box-shadow: 5px 5px 0px rgba(214, 230, 223, 1);
	}
	.book_li .bt{
		padding: 5px 10px;
		font-size: 14px;
	}
	.book_li:hover .img{
		box-shadow: 5px 5px 0px rgba(170, 210, 192, 1);
	}

}