/* *********************************************
                    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: #f9f9fa;
	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 h2 {
	font-size: 0.6rem;
	color: #ffffff;
	font-weight: bold;
	margin-bottom: 0.1rem;
}

.COMMON-TITLE span {
	color: rgba(255, 255, 255, 0.2);
}

.SPECIAL-TITLE {
	text-align: center;
}

.SPECIAL-TITLE h2 {
	color: #000;
}

.SPECIAL-TITLE p {
	display: inline;
	color: #da1711;
}

.SPECIAL-TITLE span {
	color: rgba(0, 0, 0, 0.2);
}

.COURSE-LINK {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 3.4rem;
	height: 1.2rem;
	background-color: #da1711;
	color: #ffffff;
	border-radius: 0.6rem;
	cursor: pointer;
}

/* *********************************************
                  banner
***********************************************/
header {
	display: flex;
	justify-content: center;
	width: 100%;
}

.header-main {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 24rem;
	height: 12rem;
	background: url(../img/default-bg-header.png) center no-repeat;
	background-size: 24rem 12rem;
}

.header-main p {
	width: 8rem;
	font-size: 0.32rem;
	text-indent: 2em;
	color: #ffffff;
}

.header-main-list {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 11.8rem;
	height: 1.68rem;
	background: #ffffff;
	box-shadow: 0 0.08rem 0.4rem 0 rgba(0, 0, 0, 0.05);
	margin-top: 1rem;
}

.header-main-list div {
	display: flex;
	align-items: center;
	margin: 0 0.8rem;
}

.header-main-list img {
	width: 0.48rem;
	height: 0.48rem;
}

.header-main-list span {
	font-size: 0.28rem;
	color: #333333;
	margin-left: 0.2rem;
}

.header-title {
	display: flex;
	flex-direction: column;
	justify-content: center;
	color: #ffffff;
	width: 14rem;
	padding: 0 4rem;
}

.header-title h1 {
	font-size: 0.72rem;
	font-weight: bold;
	color: #333333;
}

.header-title-describe {
	font-size: 0.4rem;
	color: #666666;
	margin: 0.6rem 0 1rem;
}
/* *********************************************
                     topics
***********************************************/
.topics {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 100%;
	margin-top: 2.4rem;
}

.topics-list {
	display: flex;
	margin-top: 1rem;
}

.topics-item {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 5rem;
	height: 5.84rem;
	background: #ffffff;
	border-bottom: 0.08rem solid #da1711;
	margin: 0 0.3rem;
}

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

.topics-item p {
	font-size: 0.32rem;
	color: #333333;
	margin: 0.4rem 0 0.8rem;
}

/* *********************************************
                     advantages
***********************************************/
.advantages {
	width: 38.4rem;
	height: 10rem;
	background: url(../img/default-bg-advantages.png) center no-repeat;
	background-size: 38.4rem 10rem;
	margin-top: 2.4rem;
}

.advantages-main {
	display: flex;
	flex-direction: column;
	width: 7.64rem;
	height: 10rem;
	background: rgba(218, 23, 17, 0.7);
	padding: 1rem 0 1rem 0.8rem;
	margin-left: 20.76rem;
}

.advantages-list {
	margin-top: 0.4rem;
}

.advantages-list p {
	position: relative;
	font-size: 0.32rem;
	color: #ffffff;
	margin: 0.6rem 0 0.6rem 0.68rem;
}

.advantages-list p::before {
	position: absolute;
	left: -0.68rem;
	display: block;
	content: "";
	width: 0.48rem;
	height: 0.48rem;
	background: url(../img/advantages-1.png) no-repeat;
	background-size: 0.48rem;
}

.advantages-list p:nth-child(2):before {
	background: url(../img/advantages-2.png) no-repeat;
	background-size: 0.48rem;
}

.advantages-list p:nth-child(3):before {
	background: url(../img/advantages-3.png) no-repeat;
	background-size: 0.48rem;
}

.advantages-list p:nth-child(4):before {
	background: url(../img/advantages-4.png) no-repeat;
	background-size: 0.48rem;
}

.advantages-list p:nth-child(5):before {
	background: url(../img/advantages-5.png) no-repeat;
	background-size: 0.48rem;
}
/* *********************************************
                     features
***********************************************/
.features {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 38.4rem;
	height: 8.36rem;
	background: url(../img/default-bg-features.png) center no-repeat;
	background-size: 38.4rem 8.36rem;
	padding: 2rem 0 1.6rem 0;
}

.features-list {
	display: flex;
	margin-top: 1rem;
}

.features-item {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 3rem;
	margin: 0 1.5rem;
}

.features-item h3 {
	font-size: 0.48rem;
	font-weight: bold;
}

.features-item p {
	text-align: center;
	font-size: 0.28rem;
	color: #666666;
	margin: 0.2rem 0 0.4rem;
}

.features-item i {
	width: 0.56rem;
	height: 0.08rem;
	background: #da1711;
}

/* *********************************************
                     crowd
***********************************************/
.crowd {
	display: flex;
}

.crowd-details {
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 19.2rem;
	height: 16rem;
	background: url(../img/default-bg-crowd.png) no-repeat;
	background-size: 19.2rem 16rem;
	padding: 0 5.4rem;
}

.crowd-details-txt {
	width: 8.4rem;
	color: #ffffff;
	margin: 1.6rem 0 0.6rem;
}

.crowd-list {
	display: flex;
	flex-direction: column;
	justify-content: center;
	width: 18.2rem;
	margin-left: 1.6rem;
}

.crowd-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 16rem;
}

.crowd-item div {
	display: flex;
	flex-direction: column;
	width: 7rem;
}

.crowd-item:nth-child(even) {
	flex-direction: row-reverse;
}

.crowd-item h3 {
	font-size: 0.32rem;
	color: #333;
	font-weight: bold;
}

.crowd-item p {
	font-size: 0.28rem;
	color: #666666;
	margin-top: 0.2rem;
}

.crowd-item span {
	width: 7rem;
	font-size: 2rem;
	font-weight: bold;
	color: #eeeeee;
	text-align: center;
}

/* *********************************************
                     footer
   ***********************************************/
footer {
	display: flex;
	align-items: center;
	width: 100%;
	height: 1.9rem !important;
	padding: 0 !important;
	background: #1d212b;
}

.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: #ffffff;
}

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

.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 h2 {
		font-size: 0.8rem;
	}

	.COMMON-TITLE span {
		font-size: 0.64rem;
	}

	.COURSE-LINK {
		width: 6rem;
		height: 1.8rem;
		border-radius: 0.9rem;
		font-size: 0.64rem;
	}
	/* *********************************************
                     header
	***********************************************/
	header {
		flex-direction: column;
	}

	.header-main {
		width: 15rem;
		height: 18.28rem;
		background: url(../img/phone-bg-header.png) center no-repeat;
		background-size: 15rem 18.28rem;
	}

	.header-main p {
		width: 11.88rem;
		font-size: 0.56rem;
	}

	.header-main-list {
		flex-direction: column;
		width: 11.88rem;
		height: 6.88rem;
		box-shadow: 0 0.16rem 0.8rem 0 rgba(0, 0, 0, 0.05);
		margin-top: 1.6rem;
	}

	.header-main-list div {
		margin: 0.5rem 0;
	}

	.header-main-list img {
		width: 0.96rem;
		height: 0.96rem;
	}

	.header-main-list span {
		font-size: 0.56rem;
		margin-left: 0.4rem;
	}

	.header-title {
		align-items: center;
		width: 15rem;
		padding: 1.6rem;
	}

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

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

	/* *********************************************
                     topics
***********************************************/
	.topics-list {
		flex-wrap: wrap;
		justify-content: space-between;
		width: 14rem;
		margin-top: 1rem;
	}

	.topics-item {
		width: 6.2rem;
		height: 11.68rem;
		border-bottom: 0.16rem solid #da1711;
		margin: 0.3rem;
	}

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

	.topics-item p {
		font-size: 0.64rem;
		margin: 0.8rem 0 1.6rem;
	}
	/* *********************************************
                     advantages
***********************************************/
	.advantages {
		width: 15rem;
		height: 20rem;
		background: url(../img/phone-bg-advantages.png) center no-repeat;
		background-size: 15rem 20rem;
	}

	.advantages-main {
		width: 14.08rem;
		height: 20rem;
		background: rgba(218, 23, 17, 0.7);
		margin-left: 1rem;
	}

	.advantages-list {
		margin-top: 0.8rem;
	}

	.advantages-list p {
		font-size: 0.64rem;
		margin: 1.2rem 0 1.2rem 1.4rem;
	}

	.advantages-list p::before {
		left: -1.4rem;
		width: 0.96rem;
		height: 0.96rem;
		background-size: 0.96rem;
	}

	.advantages-list p:nth-child(2):before {
		background-size: 0.96rem;
	}

	.advantages-list p:nth-child(3):before {
		background-size: 0.96rem;
	}

	.advantages-list p:nth-child(4):before {
		background-size: 0.96rem;
	}

	.advantages-list p:nth-child(5):before {
		background-size: 0.96rem;
	}
	/* *********************************************
                     features
***********************************************/
	.features {
		width: 15rem;
		height: 23.16rem;
		background: url(../img/phone-bg-features.png) center no-repeat;
		background-size: 15rem 23.16rem;
	}

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

	.features-item {
		width: 6rem;
		margin: 0.8rem 0;
	}

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

	.features-item p {
		font-size: 0.56rem;
		margin: 0.4rem 0 0.8rem;
	}

	.features-item i {
		width: 1.12rem;
		height: 0.16rem;
	}

	/* *********************************************
                     crowd
***********************************************/
	.crowd {
		flex-direction: column;
	}

	.crowd-details {
		justify-content: center;
		width: 15rem;
		height: 14.2rem;
		background: url(../img/phone-bg-crowd.png) no-repeat;
		background-size: 19.2rem 14.2rem;
		padding: 0 1rem;
	}

	.crowd-details-txt {
		width: 13rem;
		font-size: 0.64rem;
	}

	.crowd-list {
		width: 15rem;
		margin-left: 0;
		padding: 1.6rem 0;
	}

	.crowd-item {
		flex-direction: column-reverse;
		align-items: center;
		width: 15rem;
	}

	.crowd-item div {
		display: flex;
		flex-direction: column;
		width: 11rem;
	}

	.crowd-item:nth-child(even) {
		flex-direction: column-reverse;
	}

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

	.crowd-item p {
		font-size: 0.56rem;
		margin-top: 0.4rem;
	}

	.crowd-item span {
		font-size: 4rem;
	}

	/* *********************************************
                     footer
	***********************************************/

	footer {
		height: 2.08rem !important;
	}

	.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;
	}
}