/* 课教帮 APP */
.page1 {
	background: #fff url("https://ahxx.tk123.top/new/product_bg_1.png") no-repeat bottom center;
	background-size: auto 80%;
}
.page1-txt {
	padding: 0 0 20px;
	font-size: 14px;
	color: #666;
	line-height: 2em;
}
.page1-list {
	padding: 20px 30px 0;
}
.page1-list .col-xs-3 {
}
.page1-list .page1-item {
	height: 420px;
	text-align: center;
	padding-top: 58px;
}
.page1-list .page1-item img {
	display: block;
	height: 160px;
	margin: 0 auto;
}
.page1-list .page1-item1 {
	background: url("https://ahxx.tk123.top/new/product_1_bg1.png") no-repeat top center;
	background-size: 96% auto;
}
.page1-list .page1-item2 {
	background: url("https://ahxx.tk123.top/new/product_1_bg2.png") no-repeat top center;
	background-size: 96% auto;
}
.page1-list .page1-item3 {
	background: url("https://ahxx.tk123.top/new/product_1_bg3.png") no-repeat top center;
	background-size: 96% auto;
}
.page1-list .page1-item4 {
	background: url("https://ahxx.tk123.top/new/product_1_bg4.png") no-repeat top center;
	background-size: 96% auto;
}


/* 课教帮在线授课系统 */
.page2 {
	background: #FAF8F7 url("https://ahxx.tk123.top/new/product_bg_2.png") no-repeat center center;
	background-size: auto 100%;
}
.container-page2 {
	font-size: 14px;
	color: #333;
	line-height: 2em;
}
.page2-top-left p {
	padding-right: 30px;
}
.page2-top-right p {
	padding-left: 30px;
}
.page2-middle-1 img,
.page2-middle-2 img,
.page2-middle-3 img,
.page2-middle-4 img {
	position: relative;
	display: block;
	width: 84%;
}
.page2-middle-1 img {
	top: 40px;
	left: 80px;
}
.page2-middle-2 img {
	top: 20px;
}
.page2-middle-3 img {
	top: 30px;
	left: 40px;
}
.page2-middle-4 img {
	top: 10px;
	left: -30px;
}
.page2-bottom-list {
	padding: 60px 0 20px;
}
.page2-bottom-list h4 {
	font-size: 15px;
	position: relative;
	padding-left: 24px;
	font-weight: 600;
}
.page2-bottom-list h4::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 16px;
	height: 16px;
	border-radius: 50%;
	border: 3px solid #CD3426;
}

.page2-bottom-list p {
	padding-top: 5px;
	padding-right: 60px;
}
.page2-bottom-txt {
	padding: 20px 0 80px;
}


/* 课教帮在线 */
.page3 {
	background: #474644 url("https://ahxx.tk123.top/new/product_bg_3.png") no-repeat 80% top;
	background-size: auto 100%;
}
.page3-txt {
	padding: 0 0 20px;
	font-size: 14px;
	color: #fff;
	line-height: 2em;
}
.page3-tab-left {
	padding-bottom: 50px;
}
.page3-tab-left .tab-item {
	font-size: 14px;
	line-height: 2em;
	color: #fff;
	opacity: 0.5;
	text-align: left;
	padding: 6px 20px;
	margin: 60px auto;
	cursor: pointer;
}
.page3-tab-left ._current {
	opacity: 1;
	border-left: 5px solid #fff;
}
.page3-tab-right {
	padding: 30px 60px 0;
}
.page3-tab-right .tab-content {
	display: none;
}
.page3-tab-right .tab-content ._txt {
	padding: 20px 10px 20px 50px;
	font-size: 14px;
	color: #fff;
	line-height: 2em;
}
.page3-tab-right .tab-content ._img {
	padding: 20px 10px 20px 50px;
}
.page3-tab-right .tab-content ._img img {
	display: block;
	width: 100%;
	margin: 0 auto;
}
.page3-tab-right .tab-content ._img img._img1 {
	width: 44%;
	margin-right: 6%;
	float: left;
}
.page3-tab-right .tab-content ._img img._img2 {
	width: 44%;
	margin-left: 6%;
	float: left;
}
.page3-tab-right ._current {
	display: block;
}

/* 爱华网校 */
.page4 {
	background: #FAFAFA url("https://ahxx.tk123.top/new/product_bg_4.png") no-repeat bottom center;
	background-size: auto 80%;
}
.page4-txt {
	padding: 0 0 20px;
	font-size: 14px;
	color: #666;
	line-height: 2em;
}
.page4-list {
	padding: 20px 0 0;
}
.page4-list h4 {
	font-size: 20px;
	line-height: 36px;
	font-weight: 600;
}
.page4-list h4 img {
	width: 36px;
	position: relative;
	top: -1px;
	margin-right: 12px;
}
.page4-list p {
	padding-top: 10px;
	padding-right: 40px;
	padding-bottom: 40px;
	font-size: 13px;
	color: #666;
	line-height: 2em;
	height: 160px;
}

/* 有色化学 */
.page5 {
	background: #fff ;
}