input,
button {
	border: none;
	outline: none
}

a {
	outline: none;
	text-decoration: none!important;
}

#banner {
	width: 100%;
	position: relative;
	height: 440px;
	overflow: hidden;
}

#banner img {
	width: 100%;
	height: 555px;
}

#banner .inner {
	position: absolute;
	width: 50%;
	top: calc(38%);
	left: calc(25%);
	text-align: center;
}

.inner h5 {
	color: white;
	font-size: 32px;
}

.inner p {
	color: white;
	font-size: 42px;
	margin-top: 30px
}
.nav_about{
	width: 100%;
	height: 60px;
	background-color: rgba(0,0,0,0.8);

}
.nav_about ul{
	max-width: 1200px;
	height: 60px;
	text-align: center;
	margin: 0 auto;
}
.nav_about ul li{
	width: calc(100%/5 - 0px);
	line-height: 60px;
	color: white;
	font-size: 18px;
	float: left;
	transition: all .4s;
	background-color: rgba(0,0,0,0);
	cursor: pointer;
}
.before{
	background-color: rgba(0,0,0,0);
}
.active{
	background-color: rgba(0,0,0,1)!important;
}
.nav_about ul li:hover{
	background-color: rgba(0,0,0,1);
}
@media(max-width: 980px) {
	.inner {
		width: 70%
	}
	.inner h5 {
		font-size: 22px
	}
	.inner p {
		font-size: 28px;
		margin-top: 15px
	}
}

@media(max-width: 480px) {
	.listing li {
		width: calc(100% / 1 - 20px);
		margin: 10px
	}
	.need {
		bottom: -254px
	}
	.inner h5 {
		font-size: 16px
	}
	.inner P {
		font-size: 14px
	}
	
}
.about_detail{
	margin: 0 auto;
	padding: 0 15px 30px;
	display: none;	
}
.about_detail span{
	text-align: center;
	display: block;
	padding: 15px;
	font-size: 32px;
	line-height: 100px;
	font-weight: 400;
	
}
.footer_main{
	overflow: hidden;
}

.need {
	width: calc(100% / 1 - 596px);
	margin: 0 auto;
	margin-top: 60px;
	border: 1px solid #f5f5f5;
	background-color: #ffffff;
	border-radius: 5px;
	box-shadow: 0px 2px 2px 1px #cccccc;
}

.need h5 {
	font-size: 28px;
	line-height: 130px;
	text-align: center;
	font-weight: bold
}

.need input:nth-child(1) {
	width: calc(55% - 100px);
	margin-left: 100px;
	line-height: 40px;
	background: rgba(235, 235, 235, 1);
	border-radius: 4px;
	margin-bottom: 31px;
	padding-left: 15px
}

.need input:nth-child(2) {
	width: calc(25% - 20px);
	margin-left: 20px;
	line-height: 40px;
	background: rgba(235, 235, 235, 1);
	border-radius: 4px;
	padding-left: 15px
}

.need button {
	
	margin-left: 20px;
	line-height: 40px;
	background-color: #2862DB;
	border-radius: 4px;
	color: white;
	padding: 0 5px;
}

.need p {
	text-align: center;
	color: #2862DB;
	font-size: 18px;
	margin-bottom: 40px
}
@media only screen and (min-width: 981px) and (max-width: 1400px) {
	.need {
	width: calc(100% / 1 - 580px);
	
}
.need input:nth-child(1) {
	width: calc(55% - 100px);
	margin-left: 50px;
	line-height: 40px;
	background: rgba(235, 235, 235, 1);
	border-radius: 4px;
	margin-bottom: 31px;
	padding-left: 15px
}
}
.brief {
	max-width: 1400px;
	margin: auto;
	margin-top: 120px;
	overflow: hidden
}

.brief h4 {
	font-size: 40px;
	margin-left: -40px;
	font-weight: bold;
	margin-top: 100px;
	float: left;
	width: 60%
}

.article {
	width: calc(65% - 145px);
	margin-left: 145px;
	font-size: 18px;
	margin-top: 180px;
	line-height: 30px
}

.article p:nth-child(2) {
	margin-top: 30px
}

.top-left {
	float: left
}

.listing {
	width: 65%;
	float: right;
	overflow: hidden;
	margin: 90px 0;
}

.listing li {
	width: calc(100% / 4 - 44px);
	margin: 5px 22px;
	text-align: center;
	border: solid #f5f5f5 1px;
	float: left;
	box-shadow: -4px 0px 10px 0px rgba(3, 3, 3, 0.07);
	border-radius: 8px
}

.listing li:hover {
	box-shadow: 0px 0px 10px 2px #4251B6;
	transition: all 0.6s
}

.listing li div {
	border: 1px dashed #000000;
	width: 33%;
	margin: 40px auto
}

.listing li div img {
	width: 100%
}

.listing li h5 {
	font-size: 18px;
	margin-bottom: 20px
}

.listing li p {
	font-size: 14px;
	margin-bottom: 20px
}

@media(max-width: 980px) {
	.inner {
		width: 70%
	}
	.inner h5 {
		font-size: 22px
	}
	.inner p {
		font-size: 28px;
		margin-top: 15px
	}
	.need {
		width: calc(100% / 1 - 50px);
		left: 25px;
		bottom: -155px
	}
	.need h5 {
		line-height: 50px;
		font-size: 22px
	}
	.need input:nth-child(1) {
		width: calc(55% - 10px);
		margin-left: 10px;
		margin-bottom: 15px
	}
	.need button {
		width: calc(15% - 10px);
		margin-right: 10px
	}
	.need p {
		margin-bottom: 15px
	}
	.brief {
		margin-top: 100px
	}
	.top-left {
		display: none
	}
	.brief h4 {
		width: 100%;
		margin-left: 0;
		text-align: center;
		margin-bottom: 20px
	}
	.article {
		width: calc(100% / 1 - 40px);
		margin: 0px 20px;
		text-align: justify
	}
	.listing {
		width: calc(100% / 1 - 20px);
		margin: 30px 10px
	}
	.listing li {
		width: calc(100% / 4 - 20px);
		margin: 0 10px
	}
}

@media(max-width: 500px) {
	.listing li {
		width: calc(100% / 1 - 20px);
		margin: 10px
	}
	.need {
		bottom: -254px
	}
	.inner h5 {
		font-size: 16px
	}
	.inner P {
		font-size: 14px
	}
	.need input:nth-child(1) {
		width: calc(100% / 1 - 20px);
		margin: 10px;
	}
	.need input:nth-child(2) {
		width: calc(100% / 1 - 20px);
		margin: 10px;
	}
	.need button {
		width: calc(100% - 50px);
		margin: 10px 25px
	}
	.brief {
		margin-top: 180px;
	}
}

.course {
	max-width: 1240px;
	margin: auto;
	padding-bottom: 150px
}

.course h5 {
	margin-top: 98px;
	font-size: 40px;
	font-weight: bold
}

.sanjiao {
	width: calc(80% - 100px);
	margin-left: 100px;
	margin-top: 30px;
	margin-bottom: 60px
}

.fg-course {
	position: relative;
	padding: 54px 0;
	overflow: hidden;
	width: 80%;
	margin: auto
}

.fg-course li {
	overflow: hidden;
	line-height: 80px;
	width: calc(100% - 50px);
	margin-left: 47px
}

.fg-course li:nth-child(5) {
	margin-left: 7px
}

.fg-course li:nth-child(7) div {
	margin-left: 68px
}

.fg-course li:nth-child(8) {
	margin-left: 27px
}

.fg-course li:nth-child(9) {
	margin-left: 27px
}

.fg-course li p,
.fg-course li div {
	float: left;
	font-size: 20px
}

.fg-course li div {
	margin: -3px 48px
}
.shu {
	position: absolute;
	top: 50px;
	left: calc(25.1%)
}

.bottom-right {
	float: right;
	margin-top: -50px
}

@media(max-width: 980px) {
	.course h5 {
		width: 100%;
		text-align: center
	}
	.sanjiao,
	.shu,
	.fg-course li div,
	.bottom-right {
		display: none
	}
	.fg-course {
		width: calc(100% / 1 - 20px);
		margin: 0 10px
	}
	.fg-course li {
		width: calc(100% / 1 - 20px);
		margin: 0 10px!important;
	}
	.fg-course li p {
		font-size: 16px
	}
	.course {
		padding-bottom: 0
	}
}
#footer {
	width: 100%;
}
@media(max-width: 500px) {
	.brief{
		margin-top: 0px;
	}
	.brief h4{
		margin-top: 20px;
		font-size: 18px;
	}
	.article p{
		font-size: 16px;
		margin-top: 10px;
		text-indent: 2em;
	}
	.listing li div img {
		width: 60px;
		height: 60px;
	}
	.listing li div{
		margin-top: 20px;
		margin-bottom: 20px;
	}
	.course h5{
		font-size: 18px;
		margin-top: 20px;
	}
	.fg-course{
		padding-bottom: 10px;
	}
	.fg-course li p{
		float: left;
		font-size: 16px
	}
	.fg-course li {
		overflow: hidden;
		line-height: 30px;
		width: calc(100% - 50px);
		margin-left: 47px;
	}
}