/* *********************************************
                    基本默认值  
 ***********************************************/
* {
	margin: 0;
	padding: 0;
}
h1,
h2,
h3,
p {
	margin: 0;
	padding: 0;
}
body {
	font-family: "Source Han Sans CN";
	font-size: 0.32rem;
	color: #333333;
	background-color: #f4f5f7;
	overflow-x: hidden;
}

ul,
li {
	margin: 0;
	padding: 0;
	list-style: none;
}

a {
	color: #303133;
	text-decoration: none;
	cursor: pointer;
}

a:hover {
	text-decoration: none;
}

.row {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

.COMMON-TITLE {
	align-self: start;
	margin-bottom: 1rem;
}

.COMMON-TITLE h2 {
	font-size: 0.48rem;
	font-weight: bold;
}

.COMMON-TITLE span {
	color: #fa8f5b;
}

.COMMON-TITLE p {
	font-size: 1.2rem;
	font-weight: bold;
}

.SPECIAL-TITLE h2 {
	color: #ffffff;
}

.SPECIAL-TITLE p {
	color: #ffffff;
}

.COURSE-LINK {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 3.4rem;
	height: 1.2rem;
	border-radius: 0.6rem;
	background-color: #fa8f5b;
	color: #ffffff;
	cursor: pointer;
}


#nav{
	width: 100%;
	max-width: 38.4rem;
}
:root{
	--primary-color:#fa8f5b
}

/* *********************************************
                  banner
***********************************************/
header {
	display: flex;
	width: 38.4rem;
	height: 14rem;
	background: url(../img/default-bg-header.png) no-repeat;
	background-size: 38.4rem;
}

.header-title {
	display: flex;
	flex-direction: column;
	margin: 4.18rem 0 0 4.36rem;
}

.header-title h1 {
	font-size: 0.92rem;
	font-weight: bold;
}

.header-title span {
	color: #fa8f5b;
}

.header-title-describe {
	width: 12rem;
	color: #666;
	margin: 0.6rem 0 1rem;
}
.header-title img{
	margin-top: 1rem;
	margin-left: .44rem;
	width: 2.4rem;
	height: 2.4rem;
}

/* *********************************************
                     plan
***********************************************/
.plan {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 38.4rem;
	padding: 2.4rem 7.2rem;
}

.plan-list {
	display: flex;
}

.plan-item {
	display: flex;
	flex-direction: column;
	width: 8rem;
	height: 10rem;
	background-color: #fff;
	padding: 1rem;
}

.plan-item img {
	align-self: flex-end;
	width: 4rem;
	height: 4.82rem;
}

.plan-item span {
	font-size: 0.6rem;
	font-weight: bold;
}

.plan-item p {
	font-size: 0.32rem;
	color: #999999;
	margin: 0.2rem 0 0.6rem;
}

.plan-item h3 {
	font-size: 0.4rem;
	font-weight: bold;
}

.plan-item:first-child {
	background-color: #fa8f5b;
}

.plan-item:first-child span {
	color: #fff;
}

.plan-item:first-child p {
	color: #fff;
}

.plan-item:first-child h3 {
	color: #fff;
}

/* *********************************************
                     feature
***********************************************/
.feature {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 38.4rem;
	height: 12.46rem;
	background: url(../img/default-bg-feature.png) no-repeat;
	background-size: 38.4rem;
	padding: 1.6rem 7.2rem;
}

.feature-list {
	display: flex;
}

.feature-item {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 4.48rem;
	height: 4.86rem;
	border: 1px solid #fff;
	margin: 0 0.2rem;
}

.feature-item img {
	width: 0.8rem;
	height: 0.8rem;
}

.feature-item h3 {
	font-size: 0.32rem;
	font-weight: bold;
	color: #ffffff;
	margin: 1rem 0 0.1rem;
}

.feature-item p {
	color: #999999;
}

.feature-item:first-child {
	background-color: #ffffff;
}

.feature-item:first-child h3 {
	color: #333;
}

/* *********************************************
                     content
***********************************************/
.content {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 38.4rem;
	height: 14rem;
	background: url(../img/default-bg-content.png) no-repeat;
	background-size: 38.4rem;
	padding: 1.6rem 7.2rem 1rem;
}

.content-list {
	display: flex;
	margin: 0.4rem 0 1rem;
}

.content-item {
	display: flex;
	flex-direction: column;
	margin: 0 0.8rem;
}

.content-item h3 {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 4.6rem;
	height: 0.88rem;
	font-size: 0.32rem;
	color: #ffffff;
	background: url(../img/default-icon-content.png) no-repeat;
	background-size: 4.6rem;
}

.content-item div {
	width: 4.6rem;
	height: 4.72rem;
	background-color: #fff;
	padding: 0.6rem;
}

.content-item span {
	display: inline-block;
	width: 0.48rem;
	height: 0.48rem;
	line-height: 0.48rem;
	border-radius: 50%;
	background: #fa8f5b;
	text-align: center;
	color: #ffffff;
	margin-right: 0.2rem;
}

.content-item p {
	font-size: 0.28rem;
	color: #666666;
	margin-bottom: 0.44rem;
}

/* *********************************************
                     footer
   ***********************************************/
footer {
	display: flex;
	align-items: center;
	width: 100%;
	height: 1.9rem;
	background: #2b323b;
}

.footer {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	width: 100%;
	overflow: hidden;
}

.footer-right {
	line-height: 0.32rem;
	font-size: 0.28rem;
	color: #fff;
}

.footer-right a {
	color: #fff;
}

.footer-right a:hover {
	text-decoration: underline;
}

.footer-right_link {
	display: flex;
	align-items: center;
	margin-top: 0.2rem;
}

.police {
	display: flex;
	align-items: center;
	margin-left: 0.6rem;
}

.police p {
	margin-left: 0.1rem;
}

.back-top {
	position: fixed;
	bottom: 1rem;
	right: 4rem;
	cursor: pointer;
	z-index: 99;
}

.back-top img {
	width: 1rem;
	height: 1rem;
}

/* *********************************************
                     max-width: 1200px
***********************************************/
@media screen and (max-width: 1200px) {
	.COMMON-TITLE {
		text-align: center;
		margin-bottom: 1.6rem;
	}

	.COMMON-TITLE h2 {
		font-size: 0.92rem;
	}

	.COURSE-LINK {
		width: 6rem;
		height: 1.8rem;
		border-radius: 0.9rem;
		font-size: 0.64rem;
	}

	/* *********************************************
                     header
	***********************************************/
	header {
		width: 15rem;
		height: 27.88rem;
		background: url(../img/phone-bg-header.png) no-repeat;
		background-size: 15rem;
	}

	.header-title {
		margin: 15.6rem 0 0 1.6rem;
	}

	.header-title h1 {
		font-size: 1rem;
	}

	.header-title-describe {
		width: 11.8rem;
		font-size: 0.56rem;
	}

	/* *********************************************
                     plan
	***********************************************/
	.plan {
		width: 15rem;
		padding: 1.6rem;
	}

	.plan-list {
		flex-direction: column;
	}

	.plan-item {
		width: 11.8rem;
		height: 14.76rem;
		margin: 0.2rem 0;
	}

	.plan-item img {
		width: 6rem;
		height: 7.22rem;
	}

	.plan-item span {
		font-size: 1.2rem;
	}

	.plan-item p {
		font-size: 0.64rem;
		margin: 0.4rem 0 1.2rem;
	}

	.plan-item h3 {
		font-size: 0.64rem;
	}

	/* *********************************************
                     feature
***********************************************/
	.feature {
		width: 15rem;
		height: 32.04rem;
		background: url(../img/phone-bg-feature.png) no-repeat;
		background-size: 15rem;
		padding: 0.8rem;
	}

	.feature-list {
		flex-wrap: wrap;
	}

	.feature-item {
		width: 6.4rem;
		height: 8.28rem;
		margin: 0.1rem;
	}

	.feature-item img {
		width: 1.6rem;
		height: 1.6rem;
	}

	.feature-item h3 {
		font-size: 0.56rem;
		margin: 1.6rem 0 0.2rem;
	}

	.feature-item p {
		font-size: 0.56rem;
		text-align: center;
	}

	/* *********************************************
                     content
***********************************************/
	.content {
		width: 15rem;
		height: auto;
		background: url(../img/phone-bg-content.png) no-repeat;
		background-size: 15rem 59rem;
		padding: 1.6rem;
	}

	.content-list {
		flex-direction: column;
		margin: 0.4rem 0 1rem;
	}

	.content-item {
		margin: 0.2rem 0;
	}

	.content-item h3 {
		width: 11.8rem;
		height: 2.24rem;
		font-size: 0.64rem;
		background-size: 11.8rem;
	}

	.content-item:last-child div {
		height: 6.52rem;
	}

	.content-item div {
		width: 11.8rem;
		height: 10.24rem;
		padding: 1rem;
	}

	.content-item span {
		width: 0.96rem;
		height: 0.96rem;
		line-height: 0.96rem;
		margin-right: 0.4rem;
	}

	.content-item p {
		font-size: 0.56rem;
		margin-bottom: 0.88rem;
	}
	/* *********************************************
                     footer
	***********************************************/
	footer {
		height: 2.08rem;
	}

	.footer-right {
		display: flex;
		flex-direction: column;
		line-height: 0.72rem;
		font-size: 0.38rem;
	}

	.back-top {
		position: fixed;
		bottom: 1rem;
		right: 1rem;
	}

	.back-top img {
		width: 1.6rem;
		height: 1.6rem;
	}

	.ai-chat {
		bottom: 1.2rem;
		right: 0.5rem;
		width: 14rem;
		height: 19.5rem;
	}

	.chat-header {
		width: 14rem;
		height: 5.75rem;
	}

	.chat-close {
		top: 1.2rem;
		right: 1.2rem;
		width: 0.64rem;
		height: 0.64rem;
	}

	.chat-main {
		width: 15rem;
		height: 14rem;
		padding: 0.8rem 1rem;
	}

	.chat-message {
		padding: 0 0.2rem;
	}

	.enquire {
		max-width: 12rem;
		border-radius: 0.16rem;
		font-size: 0.56rem;
		padding: 0.56rem 0.8rem;
		margin-bottom: 0.8rem;
	}

	.reply {
		max-width: 12rem;
		border-radius: 0.16rem;
		font-size: 0.56rem;
		padding: 0.56rem 0.8rem;
		margin-bottom: 0.8rem;
	}

	.chat-input {
		height: 3rem;
		padding: 0.4rem 0 0 0;
		font-size: 0.56rem;
	}

	.chat-send-btn {
		font-size: 0.56rem;
		padding: 0.08rem 0.24rem;
		border-radius: 0.08rem;
		color: #fff;
		background-color: #4a56f7;
		margin: 0.2rem 0;
		cursor: pointer;
	}

	.chat-input_text {
		width: 13rem;
		height: 2rem;
	}
}