.box_title {
	margin-bottom: 10px;
}

.book_course {
	display: none;
}

.book_course:nth-child(1) {
	display: block;
	position: relative;
}

.book_course_tab {
	white-space: nowrap;
	font-size: 24px;
	color: #333;
}

.book_course_tab span {
	cursor: pointer;
}

.book_course_tab .active {
	color: #E60012;
}

.books {
	padding-top: 24px;
	padding-bottom: 35px;
	border: 1px solid #eee;
	margin-top: 65px;
}

.books_container {
	width: 94%;
	margin: 0 auto;
}

.box {
	position: relative;
	overflow: hidden;
	background-color: #f5f5f7;
}

.box01 {
	/*  background: url("https://www.sandytill.com/zt/images/left_bg.png") no-repeat left top, url("https://www.sandytill.com/zt/images/right_bg.png") no-repeat right top; */
	margin-top: 5px;
}

.box01 .wrap01 {
	display: flex;
	justify-content: space-between;
}

.lb_list {
	width: 100%;
	height: 351px;
	overflow: hidden;
	margin: 0 !important;
}

.swiper-pagination {
	position: absolute;
	left: 50% !important;
	transform: translateX(-50%) !important;
}

.swiper-pagination-bullet {
	width: 30px !important;
	height: 3px !important;
	background: #cccccc !important;
	border-radius: 2px !important;
	opacity: 1 !important;
}

.swiper-pagination-bullet-active {
	background-color: #fff !important;
	opacity: 1 !important;
}

.lb_img {
	height: 100%;
}

.lb_list img {
	width: 100%;
	height: 100%;
}

.box01_r {
	width: 550px;
}

.box01_r h3 {
	width: 550px;
	height: 73px;
	background: #F8F8FC;
	border-radius: 10px;
	color: #333333;
	font-size: 24px;
	box-sizing: border-box;
	padding-left: 40px;
	display: flex;
	align-items: center;
}

.box01_bottom {
	width: 100%;
	box-sizing: border-box;
	background: #FFFFFF;
	border-radius: 10px;
	padding: 40px;
}

.box01_bottom img {
	display: inline-block;
	vertical-align: middle;
	margin-right: 5px;
}

.box01_bottom p {
	color: #666666;
	font-size: 17px;
	margin-bottom: 30px;
}

.red {
	color: #D02D26;
}

.box01_bottom .a_btn {
	display: flex;
	justify-content: space-between;
}

.box01_bottom .a_btn a {
	width: 230px;
	height: 66px;
	background: linear-gradient(0, #DB3736, #EF5151);
	box-shadow: 0px 5px 10px 0px rgba(51, 0, 0, 0.15);
	border-radius: 5px;
	color: #FFFFFF;
	font-size: 20px;
	display: flex;
	justify-content: center;
	align-items: center;
	box-sizing: border-box;
}

.box01_bottom .a_btn .online_look {
	background: rgba(208, 45, 38, 0.06);
	border: 1px solid #D02D26;
	border-radius: 5px;
	color: #D02D26;
}

.xdtitle {
	padding: 5px 0 20px;
	/* border-bottom: 1px solid #E9E9F2; */
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.title02 {
	justify-content: flex-start;
}

.xdtitle h2 {
	color: #333333;
	font-size: 30px;
}

.xdtitle h2 img,
.tab01_container div .more_btn img {
	display: inline-block;
	vertical-align: middle;
	margin-left: 10px;
}

.xdtitle ul {
	display: flex;
}

.xdtitle ul li {
	height: 30px;
	line-height: 30px;
	margin-right: 20px;
	cursor: pointer;
	font-weight: bold;
	font-size: 17px;
}

.xdtitle ul li.active {
	color: #D02E26;
	font-size: 20px;
}

.tab01_container {
	display: flex;
	justify-content: space-between;
	margin-top: 40px;
}

.tab01_container div {
	width: 560px;
}

.tab01_container div li {
	height: 48px;
}

.tab01_container div li .new_title {
	color: #666666;
	font-size: 18px;
	display: inline-block;
	width: 490px;
}

.tab01_container div li.hot::before {
	content: '热门';
	display: inline-block;
	vertical-align: middle;
	background: url("https://www.sandytill.com/zt/images/hot_bg.png") no-repeat center center;
	width: 57px;
	height: 26px;
	text-align: center;
	line-height: 26px;
	color: #FFFFFF;
	font-size: 16px;
	box-sizing: border-box;
	padding-right: 3px;
}

.tab01_container div li.hot .new_title {
	color: #333333;
	font-size: 22px;
	font-weight: bold;
	vertical-align: middle;
	width: 424px;
}

.tab01_container div li .new_time {
	float: right;
	color: #CCCCCC;
	font-size: 16px;
	vertical-align: middle;
}

.ellipsis {
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}

.tab01_container div .more_btn {
	display: block;
	width: 560px;
	height: 50px;
	background: #F8F8FC;
	color: #666666;
	font-size: 16px;
	text-align: center;
	line-height: 50px;
}

.box02,
.box04 {
	background: #F8F8FC;
	padding-bottom: 60px;
}

.box02 {
	background: none;
	margin: 20px auto 0;
	padding-bottom: 0;
}

.box02 .xdtitle {
	border-bottom: 0;
}

.data_list {
	margin-top: 30px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
}

.data_item_bottom {
	width: 100px;
	height: 130px;
	-webkit-transform: rotateY(180deg);
	transform: rotateY(180deg);
	-webkit-transition: all 0.8s ease;
	transition: all 0.8s ease;
	position: absolute;
	top: 0;
	left: 0;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	overflow: hidden;
}

.data_item_bottom img {
	width: 100px;
	height: 100px;
}

.data_item_container {
	-webkit-perspective: 150rem;
	perspective: 150rem;
	-moz-perspective: 150rem;
	position: relative;
	cursor: pointer;
	height: 130px;
	width: 100px;
}

.data_item {
	-webkit-transition: all 0.8s ease;
	transition: all 0.8s ease;
	position: absolute;
	top: 0;
	left: 0;
	-webkit-backface-visibility: hidden;
	backface-visibility: hidden;
	overflow: hidden;
}

.box02 .xdtitle span {
	display: inline-block;
	vertical-align: middle;
	margin-left: 10px;
	font-size: 20px;
}

.data_item img {
	margin: 0 auto;
}

.data_item p,
.data_item_bottom p {
	margin: 22px 0 0;
	color: #333333;
	font-size: 20px;
	text-align: center;
}

.data_item_bottom p {
	margin-top: 3px;
}

.data_item a {
	display: block;
	width: 94px;
	height: 32px;
	box-sizing: border-box;
	line-height: 30px;
	text-align: center;
	background: rgba(208, 45, 38, 0.06);
	border: 1px solid #D02D26;
	border-radius: 16px;
	color: #D02D26;
	font-size: 16px;
	-webkit-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-moz-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-ms-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-o-transition: all .3s cubic-bezier(0, 0, .5, 1);
	transition: all .3s cubic-bezier(0, 0, .5, 1);
}

.data_item a:hover {
	color: #fff;
	background: linear-gradient(90deg, #DB3736, #EF5151);
	box-shadow: 0px 5px 10px 0px rgba(51, 0, 0, 0.15);
}

.tab02_container {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}

.book_item {
	flex-basis: 24%;
	width: 280px;
	padding-bottom: 30px;
	margin-bottom: 20px;
	border: none;
	box-shadow: 2px 4px 12px rgb(0 0 0 / 8%);
	border-radius: 5px;
	box-sizing: border-box;
	background-color: #fff;
}

.tab02_container .book_img {
	width: 100%;
	height: 240px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.tab02_container .book_img img {
	width: 180px;
	height: auto;
}

.tab02_container .book_imgs img {
	width: 100%;
	height: 100%;
}

.tab02_container p {
	line-height: 24px;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	height: 48px;
	color: #333333;
	text-align: center;
	box-sizing: border-box;
	padding: 0 20px;
}

.tab02_container p.book_0,
.tab03_container p.book_0 {
	width: 100%;
	margin: 50px auto 0;
	font-size: 24px;
	font-weight: bold;
	text-align: center;
}

.price {
	color: #666666;
	font-size: 16px;
	text-align: center;
	margin-bottom: 10px;
}

.price .red {
	font-size: 24px;
}

.price .big {
	font-size: 20px;
	font-weight: bold;
}

.buy_btn {
	display: block;
	width: 160px;
	height: 40px;
	background: linear-gradient(90deg, #DB3736, #EF5151);
	/* box-shadow: 0px 5px 10px 0px rgba(51, 0, 0, 0.15); */
	border-radius: 24px;
	color: #FFFFFF;
	font-size: 18px;
	text-align: center;
	line-height: 40px;
	-webkit-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-moz-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-ms-transition: all .3s cubic-bezier(0, 0, .5, 1);
	-o-transition: all .3s cubic-bezier(0, 0, .5, 1);
	transition: all .3s cubic-bezier(0, 0, .5, 1);
	margin: 0 auto;
}

.buy_btn:hover {
	/* box-shadow: 2px 4px 16px rgb(0 0 0 / 16%); */
	transform: scale3d(1.01, 1.01, 1.01);
}

.online_list {
	display: flex;
	flex-wrap: wrap;
	margin-top: 40px;
	justify-content: space-evenly;
}

.online_item {
	/* flex-basis: 31%; */
	background-color: #fff;
	width: 330px;
	padding-bottom: 40px;
	margin-bottom: 50px;
	border: none;
	box-shadow: 2px 4px 12px rgb(0 0 0 / 8%);

}

/* .online_item:nth-child(3n) {
  margin-right: 0;
} */

.online_img {
	width: 100%;
	height: 230px;
}

.online_img img {
	width: 100%;
	height: 100%;
}

.online_item p {
	line-height: 24px;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	height: 48px;
	width: 280px;
	color: #333333;
	font-size: 18px;
	word-break: break-all;
	margin: 30px auto;
}

.online_item .online_bottom {
	width: 280px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.online_item .online_bottom .buy_btn {
	margin: 0;
}

.online_item .price {
	margin-bottom: 0;
}

.box04 {
	padding-top: 30px;
}

.search {
	float: left;
	width: 478px;
	height: 44px;
	border: 1px solid #ddd;
	border-right: none;
	padding-left: 20px;
	color: #999;
	font-size: 14px;
}

#fx_searchbtn {
	float: left;
	width: 130px;
	height: 46px;
	text-align: center;
	line-height: 46px;
	background-color: #e92930;
	color: #fff;
	letter-spacing: 10px;
	border-radius: 0 8px 8px 0;
	cursor: pointer;
	transition: .7s opacity ease;
	transform: translateZ(0);
	font-size: 18px;
}

.find_nav {
	margin-left: 20px;
	margin-top: 5px;
}

.find_nav>a {
	float: left;
	width: 92px;
	height: 35px;
	border: 1px solid #dedede;
	margin-right: 5px;
	text-align: center;
	line-height: 35px;
	color: #333;
	border-radius: 8px;
	transition: border .8s ease, color .8s ease;
	transform: translateZ(0);
}

.fybq {
	width: 221px;
	margin: 20px auto 0;
}

.fybq>a {
	display: inline-block;
	padding: 5px 10px;
	border-radius: 5px;
	background: #DB3736;
	color: #fff;
}

.fybq>span {
	display: inline-block;
	width: 80px;
	text-align: center;
	font-size: 18px;
}

.more {
	display: block;
	padding: 10px 10px;
	width: 100px;
	margin: 20px auto;
	text-align: center;
	background-color: rgba(12, 12, 12, .5);
	color: #fff;
	border-radius: 5px;
}

.box03s {
	padding-bottom: 30px;
}

.fixed_r {
	position: fixed;
	z-index: 99;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 66px;
	text-align: center;
	background: #fff;
	box-shadow: 0px 7px 40px 0px rgba(212, 213, 214, 0.36);
}

.fixed_r a,
.fixed_wx {
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
	flex-direction: column;
	border-top: 1px dashed rgba(173, 173, 173, .5);
	width: 66px;
	height: 66px;
}

.fixed_r a:nth-child(1) {
	border-top: 0;
}

.fixed_r a img,
.fixed_wx img {
	height: 24px;
}

.fixed_r a.toTop img {
	height: 12px;
}

.fixed_wx img.fixed_icon,
.fixed_wx:hover img.fixed_icon_hover,
.fixed_r a img.fixed_icon,
.fixed_r a:hover img.fixed_icon_hover {
	display: block;
}

.fixed_wx:hover img.fixed_icon,
.fixed_r a:hover img.fixed_icon,
.fixed_wx img.fixed_icon_hover,
.fixed_r a img.fixed_icon_hover {
	display: none;
}

.fixed_wx p,
.fixed_r a p {
	line-height: 20px;
	font-size: 16px;
	color: #565656;
}

.fixed_wx:hover,
.fixed_r a:hover {
	background: #E60012;
}

.fixed_wx:hover p,
.fixed_r a:hover p {
	color: #fff;
}

.fixed_wx {
	cursor: pointer;
	position: relative;
}

.fixed_r_wx_box {
	display: none;
	position: fixed;
	z-index: 99;
	right: 66px;
	min-width: 130px;
	padding: 4px 4px 20px 4px;
	border-radius: 10px;
	box-sizing: border-box;
	text-align: center;
	background: #E60012;
}

.fixed_r_wx_box h5 {
	line-height: 32px;
	font-size: 16px;
	color: #fff;
}

.fixed_wx_list {
	border-radius: 10px;
	background: #fff;
}

.fixed_wx_list a {
	display: block;
	width: 100%;
	border-bottom: 1px dashed #d5d5d5;
	height: 24px;
	line-height: 24px;
	font-size: 12px;
	color: #333;
}

.fixed_wx_list a:hover {
	background: none;
	color: #E60012;
}

.fixed_wx_list a:nth-last-child(1) {
	border-bottom: 0;
}

@media only all and (max-width:1080px) {
	.books {
		padding: .9rem .5rem .6rem;
		margin: 1rem .5rem 0;
	}

	.books_container {
		width: 94%;
		margin: 0 auto;
	}

	.fixed_r {
		display: none;
	}

	.box01 {
		padding-top: 0rem;
		padding-bottom: 0rem;
		background: none;
	}

	.box01 .wrap01 {
		flex-direction: column;
		align-items: center;
	}

	.lb_list {
		width: 100%;
		height: 5.78rem;
		border-radius: .1rem;
	}

	.swiper-pagination-bullet {
		width: .8rem !important;
		height: .1rem !important;
	}

	.box01_r {
		width: 100%;
	}

	.box01_r h3 {
		width: 100%;
		height: 1.83rem;
		border-radius: .4rem;
		font-size: .8rem;
		padding-left: 1rem;
		margin-top: 1rem;
	}

	.box01_bottom {
		border-radius: .4rem;
		padding: 1rem;
	}

	.box01_bottom img {
		margin-right: .25rem;
		width: .8rem;
	}

	.box01_bottom p {
		font-size: .7rem;
		margin-bottom: .75rem;
	}

	.box01_bottom .a_btn {
		justify-content: space-around;
	}

	.box01_bottom .a_btn a {
		width: 6rem;
		height: 1.65rem;
		border-radius: .2rem;
		font-size: .7rem;
	}

	.box01_bottom .a_btn .online_look {
		border-radius: .2rem;
	}

	.xdtitle {
		padding: .5rem 0 .5rem;
		flex-direction: column;
		align-items: flex-start;
	}

	.xdtitle h2 {
		font-size: .8rem;
		margin-bottom: .6rem;
	}

	.xdtitle h2 img,
	.tab01_container div .more_btn img {
		height: .48rem;
		margin-left: .23rem;
	}

	.xdtitle ul {
		display: flex;
		flex-wrap: wrap;
	}

	.xdtitle ul li {
		width: 3rem;
		height: 1.4rem;
		line-height: 1.4rem;
		margin: 0;
		font-size: .75rem;
		text-align: center;
	}

	.xdtitle ul li.active {
		font-size: .8rem;
	}

	.tab01_container {
		margin-top: 1rem;
	}

	.tab01_container div {
		width: 100%;
	}

	.tab01_container div:last-child {
		display: none;
	}

	.tab01_container div li {
		height: 1.6rem;
	}

	.tab01_container div li .new_title {
		font-size: .7rem;
		width: 82%;
	}

	.tab01_container div li.hot::before {
		width: 2rem;
		height: 1rem;
		line-height: 1rem;
		font-size: .6rem;
		padding-right: .08rem;
		background-size: 100%;
	}

	.tab01_container div li.hot .new_title {
		font-size: .75rem;
		width: 70%;
	}

	.tab01_container div li .new_time {
		font-size: .6rem;
	}

	.tab01_container div .more_btn {
		display: block;
		width: 100%;
		height: 2rem;
		font-size: .7rem;
		line-height: 2rem;
	}

	.box02,
	.box04 {
		padding-bottom: .6rem;
	}

	.data_list {
		margin-top: 0;
		flex-wrap: wrap;
		justify-content: space-between;
	}

	.data_item_bottom {
		width: 82px;
		height: 130px;
		-webkit-transform: rotateY(180deg);
		transform: rotateY(180deg);
		-webkit-transition: all 0.8s ease;
		transition: all 0.8s ease;
		position: absolute;
		top: 0;
		left: 0;
		-webkit-backface-visibility: hidden;
		backface-visibility: hidden;
		overflow: hidden;
	}

	.data_item_bottom img {
		width: 3.5rem;
		height: 3.5rem;
		margin: 0 auto;
	}

	.data_item_container {
		width: 4rem;
		height: 5rem;
	}

	.data_item {
		width: 4rem;
		margin-bottom: .4rem;
	}

	.box02 .xdtitle span {
		margin-left: .4rem;
		font-size: .7rem;
	}

	.data_item img {
		margin: 0 auto;
		width: 3rem;
	}

	.data_item p,
	.data_item_bottom p {
		margin: .4rem 0 0;
		font-size: .7rem;
	}

	.data_item_bottom p {
		margin-top: 0;
	}

	.data_item a {
		width: 4rem;
		height: 1.3rem;
		line-height: 1.3rem;
		border-radius: 1rem;
		font-size: .6rem;
	}

	.tab02_container {
		display: flex;
		flex-wrap: wrap;
		justify-content: space-around;
	}

	.book_item {
		flex-basis: 49%;
		width: 8.3rem;
		padding-bottom: .5rem;
		margin-bottom: .5rem;
	}

	.tab02_container .book_img {
		width: 100%;
		height: 8.3rem;
	}

	.tab02_container .book_img img {
		height: 80%;
		width: 80%;

	}

	.tab02_container p {
		height: 2rem;
		line-height: 1rem;
		padding: 0 .2rem;
	}

	.price {
		font-size: .65rem;
		margin-bottom: .4rem;
	}

	.price .red {
		font-size: .8rem;
	}

	.price .big {
		font-size: 1rem;
	}

	.buy_btn {
		width: 4rem;
		height: 1.2rem;
		border-radius: 1rem;
		font-size: .7rem;
		line-height: 1.2rem;
	}

	.buy_btn:hover {
		transform: translateY(-.1rem);
	}

	.online_list {
		margin-top: 0px;
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
	}

	.online_item {
		/* flex-basis: 40%; */
		margin-right: 0;
		width: 7.8rem;
		padding-bottom: .6rem;
		margin-bottom: .4rem;
	}

/* 	.online_item:nth-child(3n) {
		margin-right: 0;
	} */

	.online_img {
		width: 7.8rem;
		height: 4.5rem;
		object-fit: cover;
	}

	.online_item p {
		line-height: 1rem;
		height: 2rem;
		width: 7rem;
		font-size: .6rem;
		margin: .4rem auto 0;
	}

	.online_item .online_bottom {
		width: 7rem;
		flex-direction: column;
	}

	.online_item .price {
		margin-bottom: .3rem;
	}

	.find_nav {
		display: none;
	}

	.box02 {
		margin: .5rem auto 0;
		padding-bottom: 0;
	}

	.box04 {
		padding-top: .5rem;
	}

	.search {
		width: 11.5rem;
		height: 1.5rem;
		line-height: 1.5rem;
		font-size: .6rem;
		padding-left: 1rem;
	}

	#fx_searchbtn {
		width: 4.5rem;
		padding-left: .5rem;
		height: 1.5rem;
		line-height: 1.5rem;
		border-bottom: 2px solid #e92930;
		font-size: .8rem;
	}

	.tab02_container .book_imgs img {
		width: 100%;
	}

	.more {
		padding: .5rem;
		width: 5rem;
		margin: .5rem auto;
	}

}