@media screen and (max-width: 479px) {
	.big_screen{
		display: none;
	}
	.small_screen{
		display: block;
	}
	/* 首页 */
	.index_mainarea{
		width: 100%;
	}
	.small_set{
		display: flex;
		align-items: center;
		justify-content: space-between;
	}
	.course_recommendation{
		margin-left: calc(100% - 212px);
	}
	.course_recommendation a{
		margin-left: 0;
	}
	header .index_mainarea ul li a{
		margin-right: 12px;
	}
	nav{
		Height: 80px;
		position: relative;
	}
	.index_logo{
		margin-left: 12px;
		Width: 200px;
		Height: 48px;
		/*padding-top: 0;*/
		padding-top: 6px;
		float: none;
	}
	.nav_change{
		width: 52px;
		height: 80px;
		padding-top: 28px;
		padding-right:28px;
		box-sizing: border-box;
		text-align: right;
		cursor: pointer;
		-webkit-transition: -webkit-transform .3s;
		transition: -webkit-transform .3s;
		transition: transform .3s;
		transition: transform .3s,-webkit-transform .3s;
	}
	.nav_change span {
		display: block;
		width: 24px;
		height: 2px;
		margin-bottom: 8px;
		background: #07383C;
		-webkit-transform-origin: 26px;
		transform-origin: 26px;
		-webkit-transition: background .5s cubic-bezier(.77,.2,.05,1),opacity .55s ease,width .5s,-webkit-transform .5s cubic-bezier(.77,.2,.05,1);
		transition: background .5s cubic-bezier(.77,.2,.05,1),opacity .55s ease,width .5s,-webkit-transform .5s cubic-bezier(.77,.2,.05,1);
		transition: background .5s cubic-bezier(.77,.2,.05,1),opacity .55s ease,transform .5s cubic-bezier(.77,.2,.05,1),width .5s;
		transition: background .5s cubic-bezier(.77,.2,.05,1),opacity .55s ease,transform .5s cubic-bezier(.77,.2,.05,1),width .5s,-webkit-transform .5s cubic-bezier(.77,.2,.05,1);
	}
	.nav_change.show_nav span {
		opacity: 1;
		-webkit-transform: rotate(45deg);
		transform: rotate(45deg);
	}
	.nav_change.show_nav span:nth-last-child(3) {
		opacity: 1;
		-webkit-transform: rotate(-45deg);
		transform: rotate(-45deg);
	}
	.nav_change.show_nav span:nth-last-child(2) {
		opacity: 0;
		-webkit-transform: rotate(-45deg);
		transform: rotate(-45deg);
	}
	.banner_box .swiper-pagination-bullet{
		height: 8px !important;
		width: 8px !important;
		margin-left: 4px !important;
		margin-right: 4px !important;
	}
	.banner_box .swiper-pagination{
		left: calc(100% - 56px) !important;
		width: 48px !important;
		bottom: 0px !important;
	}
	footer .index_mainarea ul{
		width: calc(100% - 24px);
		margin: 0 auto;
		display: flex;
		justify-content: space-between;
	}
	footer .index_mainarea ul li a div{
		margin-right: 0;
		font-size: 12px;
	}
	footer .index_mainarea ul li a div span{
		margin-left: 6px;
	}
	.manage_img{
		width: 14px;
		height: 12px;
	}
	.notice_img,.contact_img{
		width: 12px;
		height: 12px;
	}
	.map_img{
		width: 16px;
		height: 12px;
	}
	.small_nav{
		position: absolute;
		left: 100%;
		top: 80px;
		z-index: 999;
		padding: 0 22px;
		box-sizing: border-box;
		width: 100%;
		height: auto;
		background: rgba(0, 0, 0, 0.8);
		overflow: hidden;
	}
	.small_nav li{
		height: 48px;
		text-align: center;
		line-height: 48px;
		font-size: 14px;
		border-bottom: 1px solid rgba(159,159,159,0.28);
		box-sizing: border-box;
		position: relative;
	}
	.small_nav li a{
		color: #fff;
	}
	.small_nav li a.active{
		color: #E00206;
	}
	.slider_box{
		display: none;
	}
	.small_right{
		width: 100%;
		height: 80px;
		padding: 0 35px;
		box-sizing: border-box;
		display: flex;
		justify-content: space-between;
		background: #E00206;
		position: relative;
	}
	.small_right div{
		position: absolute;
		top: 13px;
		left: 35px;
		width: 54px;
		height: 54px;
		color: #000;
		font-weight: bold;
		font-size: 18px;
		line-height: 54px;
		text-align: center;
		background: url(../images/btn_polygon_mb.png) no-repeat center;
		background-size: cover;
	}
	.small_right div:nth-of-type(2) {
		left: 50%;
		margin-left: -27px;
	}
	.small_right div:nth-of-type(3) {
		left: calc(100% - 89px);
	}
	.small_right div.active{
		width: 67px;
		height: 67px;
		left: 29px;
		line-height: 67px;
		color: #E00206;
		background: url(../images/btn_polygonactive.png) no-repeat center;
		background-size: cover;
	}
	.small_banner{
		width: calc(100% - 54px);
		height: 220px;
		margin: 28px auto 0 auto;
		display: block;
		box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.25);
		border-radius: 16px;
	}
	.small_newsbanner,.small_viewsbanner,.small_activity{
		width: 100%;
		height: 100%;
		overflow: hidden;
		position: relative;
		display: none;
	}
	.small_newsbanner img{
		width: 100%;
		height: 100%;
	}
	.go_more{
		text-align: center;
	}
	.small_newsbanner .go_more img{
		width: 5px;
		height: 9px;
		text-align: center;
	} 
	/* 关于我们 */
	.top_box{
		height: 192px;
		background-position: center right;
	}
	.top_title{
		font-size: 34px;
		line-height: 54px;
		padding-top: 22px;
		padding-left: 12px;
	}
	.show_content{
		position: relative;
		padding-bottom: 0;
		padding-top: 61px;
	}
	.small_leftnav{
		position: absolute;
		left: 12px;
		top: 2px;
		overflow: hidden;
		width: 138px;
		height: 40px;
		z-index: 99;
		padding: 0 15px;
		box-sizing: border-box;
		border-radius: 10px;
		background: #E00206;
		color: #fff;
		font-size: 16px;
		margin: 10px 0;
	}
	.small_leftnav p{
		border-bottom: 1px solid #fff;
	}
	.small_leftnav p,.small_leftnav ul li a{
		height: 40px;
		display: flex;
		align-items: center;
		justify-content: space-between;
	}
	.small_leftnav ul li a{
		color: #fff;
		font-size: 16px;
	}
	.small_leftnav p img,.small_leftnav ul li a img{
		width: 7px;
		height: 11px;
	}
	.small_nav,.small_leftnav{
		-ms-transition: all 0.4s ease-in 0s;
		-webkit-transition: all 0.4s ease-in 0s;
		-moz-transition: all 0.4s ease-in 0s; 
		transition: all 0.4s ease-in 0s; 
	}
	.main_center{
		width: 100%;
	}
	.right_content{
		float: none;
		width: calc(100% - 24px);
		min-height: 390px;
		margin: 0 auto;
		padding: 10px;
	}
	.know_more{
		margin: 10px 0;
	}
	.president_avatar{
		width: 100%;
		height: 250px;
		margin:auto;
		text-align: center;
	}
	.president_avatar img{
		width: 178px;
		height: 240px;
	}
	.president_detail{
		margin-left: 10px;
		width: calc(100% - 94px)
	}
	.president_speak{
		width: 100%;
		margin: 10px 0;
		font-size: 14px;
		line-height: 24px;
	}

	.president_speak_new{
		width: 100%;
		margin: 10px 0;
		font-size: 14px;
		line-height: 24px;
	}
	.president_intro{
		margin-top: 10px;
		font-size: 14px;
		line-height: 24px;
	}
	.left_quotation{
		left: -12px;
		top: -26px;
		width: 28px;
		height: 24px;
	}
	.right_quotation{
		right: -10px;
		width: 20px;
		height: 18px;
	}
	/* 学院简介 */
	.school_introbox,.business_left{
		font-size: 14px;
		line-height: 24px;
	}
	.school_introbox .leaders{
		flex-wrap: wrap;
	}
	.school_introbox .leaders .leader_item{
		margin-right:0;
		margin-top:20px;
		margin-bottom:20px;
	}
	.school_introbox .leaders .leader_item:last-child{
		margin-right:0;
		display: none;
	}
	.uphold_box div{
		position: relative;
		bottom: 0;
		width: 100%;
		height: auto;
		padding: 10px;
	}
	.uphold_box div::after{
		width: 100%;
		height: 100%;
	}
	/* 院系设置 */
	.business_left,.business_right,.manage_left,.manage_right{
		float: none;
		width: 100%;
	}
	.business_right .business_house{
		float: right;
	}
	.manage_box{
		margin-bottom: 10px;
	}
	.manage_right{
		margin-left: 0;
		margin-top: 10px;
		font-size: 14px;
		line-height: 24px;
	}
	.more_sys.small_screen{
		display: flex !important;
	}
	.more_sys div{
		width: auto;
	}
	.more_sys div:nth-of-type(2) {
		margin-left: 10px;
	}
	.manage_sys,.school_abbreviation,.school_intro{
		margin-top: 10px;
	}
	.more_house{
		height: auto;
	}
	/* 联系我们 */
	.school_map{
		width: 100%;
		height: 236px;
		float: none;
	}
	.contact_msg{
		float: none;
		margin-left: 0;
	}
	.contact_pos,.contact_other{
		margin-top: 10px;
	}
	.contact_msg p{
		font-size: 14px;
		line-height: 24px;
	}
	.contact_msg p img{
		width: 36px;
		height: 36px;
	}
	/* 招聘信息 */
	.job_name{
		width: calc(100% - 80px);
		display: inline-block;
	}
	.page_num{
		display: block;
		margin-top: 10px;
		margin-bottom: 40px;
	}
	.page_num li{
		width: 26px;
		height: 26px;
		line-height: 26px;
		margin-left: 4px;
		font-size: 12px;
	}
	.to_prev, .to_next{
		width: 48px !important;
	}
	.to_prev span, .to_next img{
		margin-left: 4px;
	}
	.to_prev img{
		padding-bottom: 7px;
	}
	.to_next img{
		padding-top: 7px;
	}
	/* 本科生教育 */
	.teaching.small_leftnav{
		width: 124px;
	}
	.major_box{
		width: 107px;
		height: 114px;
		padding: 10px;
	}
	.major_title{
		margin-bottom: 0 !important;
		padding-top: 59px;
	}
	.major_box p{
		font-size: 16px;
		margin-left: 14px;
		margin-top: 0;
	}
	.major_box p span{
		font-size: 14px;
	}

	/*高管培训项目*/
	.executive_box {
		flex-wrap: wrap;
	}
	.executive_box .executive_item{
		width: 48%;
		/*height: 274px;*/
		height: 174px;
		background: url(../images/yellow_bg/bg_major.jpg) no-repeat;
		background-size: cover;
		padding: 0;
		margin:0 10px 15px 0;
		justify-items: center;
	}
	.executive_box .executive_item:nth-child(2n) {
		margin-right: 0;

	}

	.executive_box .executive_item .executive_img{
		width: 100%;
		margin-bottom: 10px;
	}

	.executive_box .executive_item .executive_img img{
		width: 160px;
		height: auto;
		margin-right: 0px;
	}
	.executive_box p{
		font-size: 16px;
		margin-left: 14px;
		margin-top: 0;
	}
	.executive_box p span{
		font-size: 14px;
	}

	.executive_img_box{
		width: 100%;
		height: auto;
		margin: 10px 0;
		overflow: hidden;
	}
	.executive_img_box img{
		box-sizing: content-box;
	}
	/*高管培训项目*/

	.manage_detail{
		left: 92px;
	}
	.more_sysname{
		font-size: 16px;
	}
	.preparation{
		margin: 0;
		font-size: 14px;
	}
	.business_detail a p img, .manage_detail a p img, .major_box a p img, .executive_box a p img, .master a p img, .know_more img, .link_show img, .album_preview img, .professor_job img, .lecture_more img, .work_show img{
		margin-left: 4px;
		width: 5px;
		height: 9px;
	}
	.major_intro{
		width: calc(100% - 107px);
		height: auto;
		padding: 10px;
		font-size: 14px;
		line-height: 24px;
	}
	.undergraduate_box{
		margin-bottom: 10px;
	}
	/* 研究生教育 */
	.graduate_box{
		display: block;
	}
	.graduate_module{
		width: 100%;
		margin-bottom: 10px;
	}
	.master{
		width: 148px;
		height: 148px;
	}
	.master p{
		font-size: 16px;
		margin-left: 46px;
	}
	.master_title{
		line-height: 20px !important;
		padding-top: 32px !important;
		margin-left: 18px !important;
		height: 30px !important;
	}
	.master p span,.reward_reason{
		font-size: 14px;
		line-height: 24px;
	}
	.master_intro{
		margin: 10px 0;
		width: 100%;
		height: auto;
		font-size: 14px;
		line-height: 24px;
		padding: 10px;
	}
	.finance{
		position: relative;
		left: 0;
		margin: 10px auto;
	}
	.reward{
		width: 100%;
		height: auto;
		margin: 10px 0;
		padding-top: 0;
	}
	.reward_executive{
		width: 100%;
		height: auto;
		margin: 10px 0;
		padding-top: 0;
	}
	.reward_detail{
		width: 100%;
		height: auto;
		margin: 0;
		padding: 10px;
	}
	.reward_executive_detail{
		width: 100%;
		height: auto;
		margin: 0;
		padding: 10px;
	}
	.link_show{
		font-size: 16px;
	}
	.link_show a span{
		font-size: 14px;
		margin-left: 12px;
	}
	/* 商学院名师 */
	.professor_avatar{
		width: 95px;
		height: 96px;
	}
	.professor_list{
		height: 156px;
		margin-bottom: 10px;
	}
	.professor_job{
		margin: 0;
	}
	.professor_intro{
		font-size: 14px;
		line-height: 24px;
		width: calc(100% - 105px);
		margin-left: 10px;
	}
	/* 研究成果 */
	.result_img{
		width: 110px;
		height: 60px;
	}
	.result_content{
		margin-left: 10px;
		width: calc(100% - 120px);
	}
	.result_title{
		line-height: 24px;
	}
	.result_box{
		margin-bottom: 10px;
	}
	/* 学术讲座 */
	.lecture_img{
		width: 95px;
	}
	.lecture_title{
		width: 100%;
		font-size: 16px;
		line-height: 24px;
		margin-bottom: 10px;
	}
	.lecture_detail{
		margin-left: 10px;
		width: calc(100% - 105px);
		font-size: 14px;
		line-height: 24px;
	}
	.lecture_more{
		margin-top: 10px;
	}
	.lecture_box{
		margin-bottom: 10px;
	}
	/* 学子风采 */
	.work_box{
		margin-bottom: 10px;
	}
	.work_list{
		width: calc(50% - 5px);
		margin-left: 10px;
		float: left;
	}
	.work_img{
		height: auto;
	}
	.work_date{
		margin: 0;
		font-size: 14px;
	}
	.work_title{
		font-size: 14px;
		line-height: 20px;
	}
	/* 职业发展 */
	.work_tag{
		font-size: 16px !important;
		margin-right: 10px;
	}
	.work_show{
		margin-top: 20px;
	}
	.work_show span{
		font-size: 14px;
	}
	/* 校友发展 */
	.develop_box{
		font-size: 14px;
		line-height: 24px;
	}
	.develop_nav{
		margin: 10px 0;
	}
	/* 师资详情 */
	.router_list{
		padding-left: 12px;
		box-sizing: border-box;
	}
	.router_list span{
		text-overflow: ellipsis;
		white-space: nowrap;
		overflow: hidden;
	}
	.recruit_box{
		padding-top: 10px;
	}
	.project_detail{
		width: calc(100% - 24px);
		margin: 0 auto;
		padding: 10px;
		font-size: 16px;
		line-height: 24px;
	}
	.detail_avatar{
		float: none;
		margin: 0 auto;
	}
	.detail_avatar img{
		width: 308px;
		height: 247px;
	}
	.detail_content{
		float: none;
		margin-left: 0;
		width: 100%;
	}
	.profressor_name{
		margin: 10px 0;
	}
	.profressor_intro{
		margin-top: 10px;
		padding-bottom: 10px;
		width: 100%;
	}
	.detail_content{
		font-size: 16px;
		line-height: 24px;
	}
	.project_intro{
		margin-top: 10px;
		padding-bottom: 10px;
		width: 100%;
	}
	.project_intro img{
		width: 90%!important;
		height:auto!important;
		margin-left:auto;
		margin-right:auto;
	}
	.project_intro ul li{
		margin-left:20px;

	}
	.project_intro ul ul li{
		margin-left:40px;
	}
	.project_intro .contact_tag img{
		width:10px !important;
		margin-left:0;
		margin-right:0;
	}
	.project_intro .contact_tag{
		margin-bottom: 10px;
	}

	/* 项目详情 */
	.project_left{
		float: none;
	}
	.project_right{
		float: none;
		margin-left: 0;
	}
	.class_arrange{
		margin: 0 auto;
	}
	.class_right{
		margin-left: 10px;
		width: calc(100% - 190px);
	}
	.contast_apply{
		margin: 22px auto;
	}


	.small_sys.sys_list{
		/*height: 90px;*/
		height: 240px;
		width: 100%;
		left: 0;
		top: 48px;
		z-index: 99999;
		opacity: 1;
	}
	.small_sys.sys_list .sys_line{
		margin: 2px 0;
	}
	.small_sys.sys_list a{
		color: #000;
	}
	.small_sys.sys_list p{
		/*height: 40px;*/
		/*line-height: 40px;*/
		height: 34px;
		line-height: 34px;
		text-align: center;
		margin-left: 0;
	}
	.small_sys.sys_list::before{
		content: '';
		position: absolute;
		top: -5px;
		left: 50%;
		margin-left: -5px;
		border-bottom: 10px solid #fff;
		border-left: 5px solid transparent;
		border-right: 5px solid transparent;
		z-index: 99999;
	}
	/* 活动列表 */
	.common_box{
		width: 100%;
		padding: 10px;
		line-height: 24px;
	}
	.result_title{
		font-size: 16px;
	}
	.result_date{
		font-size: 14px;
	}
	/* 招聘详情 */
	.recruit_detail{
		width: 100%;
		padding: 10px;
		font-size: 14px;
		line-height: 24px;
	}
	.detail_date{
		margin: 10px 0;
	}
	.recruit_detail div,.recruit_detail p{
		margin-top: 10px;
	}
	.recruit_detail p img{
		width: 100% !important;
		height: auto !important;
	}
	.search_box{
		width: calc(100% - 24px);
		height: 48px;
		margin-top: 10px !important;
	}
	.search_box input{
		width: calc(100% - 96px);
		padding: 24px 12px;
		font-size: 16px;
	}
	.search_box span{
		width: 96px;
		height: 48px;
		line-height: 48px;
		font-size: 20px;
	}
	.result_num{
		width: calc(100% - 24px);
		margin: 10px auto;
		padding-left: 0;
	}
	.search_list{
		padding-top: 10px;
	}
	.search_list .common_box ul{
		margin-top: 10px;
	}
	.search_list .common_box{
		padding-bottom: 10px !important;
	}
	.silk{
		height: auto;
	}


	/* 底部联系我们，浮窗 */
	.contact_sys_list {
		position: absolute;
		left: 0;
		top: auto;
		width: 100%;
		height: 0;
		background-color: #fff;
		font-size: 12px;
		line-height: 18px;
		box-sizing: border-box;
		z-index: 99999;
		opacity: 1;
		cursor: pointer;
		text-align: center;
	}
	.contact_sys_list::before {
		content: '';
		position: absolute;
		top: -5px;
		left: 65%;
		margin-left: -5px;
		border-bottom: 10px solid #fff;
		border-left: 5px solid transparent;
		border-right: 5px solid transparent;
		z-index: 99999;
	}
	.contact_sys_list a {
		margin: 0;
		color: #000000;
		font-size: 14px !important;
	}

	.contact_sys_list p {
		height: 39px;
		line-height: 39px;
		border-bottom: 1px solid #EAEBED;
	}
}