@charset "utf-8";
/* CSS Document */


.logo {
	height: 150px;
	text-align: center;
}

.nav {
	height: 65px;
	border-top: 1px solid #ececec;
	background: url(../images/nav.png) left bottom repeat-x;
	width: 100%;
	min-width: 1200px;
}

.nav ul {
	width: 1200px;
	margin: 0 auto;
	text-align: center;
}

.nav ul li {
	width: 125px;
	height: 62px;
	display: inline-block;
	margin: 0 20px;
	position: relative;
	top: -3px;
}

.nav ul li a {
	width: 125px;
	font-size: 16px;
	height: 65px;
	line-height: 57px;
	display: block;
	text-align: center;
	/* border-top: 5px solid transparent; */
}

.nav ul li .nav_jt {
	background: url(../images/total.png) 95px -36px no-repeat;
}

.nav ul li .nav_jt1 {
	background: url(../images/total.png) 105px -36px no-repeat;
}

.nav ul li .nav_sub {
	position: absolute;
	left: 0px;
	top: 54px;
	display: none;
}

.nav ul li .nav_sub p a {
	height: 45px;
	line-height: 45px;
	margin-top: 1px;
	background: url(../images/total.png) -83px -2px no-repeat;
	font-size: 14px;
	border: 0;
}


.nav ul li>a{
	position: relative;
	color: #333;
}

.nav ul li>a:after {
	display: none;
	content: "";
	width: 100%;
	left: 50%;
	height: 5px;
	background: #cf5158;
	position: absolute;
	top: 0;
	-webkit-transform: translate(-50%);
	-moz-transform: translate(-50%);
	transform: translate(-50%);
	z-index: 9;
}


.nav ul li>a:hover:after {
	display: block;
	animation: ad_width .5s linear forwards;

}


@keyframes ad_width {
	from {
		width: 0;
	}

	to {
		width: 100%;
	}
}

.nav ul li a:hover{
	font-weight: bold;
}

.nav ul li .nav_sub p a:hover {
	border: 0;
}

.nav ul li .nav_jt:hover {
	background: url(../images/total.png) 95px 12px no-repeat;
	/* transition: all 0.5s; */
}

.nav ul li .nav_jt1:hover {
	background: url(../images/total.png) 105px 12px no-repeat;
}


.nav .nav_sub_bg .nav_sub a {
	color: #666;
}

.nav .nav_sub_bg .nav_sub a:hover {
	color: #cf5158;
}

.nav .nav_sub_bg .nav_jt {
	background: url(../images/total.png) 95px 12px no-repeat;
	
}

.nav .nav_sub_bg .nav_jt1 {
	background: url(../images/total.png) 105px 12px no-repeat;
}

.banner {
	height: 320px;
	overflow: hidden;
	position: relative;
	top: -9px;
	z-index: -1;
	width: 100%;
	min-width: 1200px;
}

.banner img {
	width: 1920px;
	height: 100%;
	position: absolute;
	left: 50%;
	margin-left: -960px;
}

.intro,
.work,
.skill{
	padding: 40px 0;
	border-bottom: 1px solid #ececec;
}


.title-h3{
	height: 40px;
	line-height: 40px;
	color: #333;
	font-weight: bold;
	font-size: 28px;
	position: relative;
}

.title-h3::after{
	display: block;
	content: '';
	width: 55px;
	height: 5px;
	background: #cf5158;
	position: absolute;
	left: 0;
	bottom: 5px;
	z-index: -1;
	
}

.intro-left{
	border-radius: 10px;
	overflow: hidden;
	width: 140px;
	height: 200px;
	cursor: pointer;
}

.intro-left img{
	width: 100%;
	height: 100%;
	transition: all 0.5s;
}

.intro-con:hover img{
	transform: rotateY(180deg);
}


.intro-right{
	width: 1020px;
}

.intro-right p,
.work-con p{
	line-height: 30px;
	font-size: 16px;
	color: #333;
	
}

.intro-right p strong{
	font-size: 16px;
}

.intro-right p:last-child{
	text-indent: 2em;
	margin-top: 10px;
	font-weight: bold;
}



.case-list ul {
	width: 1200px;
	overflow: hidden;
}

.case-list ul li {
	width: 45%;
	float: left;
	margin-right: 10%;
	margin-top: 40px;
	cursor: pointer;
	overflow: hidden;
	min-height: 120px;
}

.case-list ul li:nth-child(2n){
	margin-right: 0;
}

.case-list li>a{
	display: flex;
	display: -wbkit-flex;
	width: 100%;
}


.case-list-pic .pic-bg {
	width: 120px;
	height: 120px;
	position: absolute;
	top: 0;
	left: 0;
}

.case-list-pic {
	width: 120px;
	height: 120px;
	position: relative;
	overflow: hidden;
	-webkit-border-radius: 10px;
	border-radius: 10px;
	margin-right: 30px;
	border: 1px solid #f5f5f5;
	box-sizing: border-box;
}

.case-list-pic img,
.case-list-pic .pic-bg img {
	width: 100%;
	height: 100%;
}

.case-list-pic img{
	transition: all 0.5s;
}


.case-list-info {
	height: 120px;
	flex: 1;
}

.case-list-info h3 {
	font-size: 20px;
	color: #333;
	line-height: 30px;
	margin: 15px 0 ;
}

.case-list-info p {
	line-height: 30px;
	color: #666;
	font-size: 16px;
}


.case-list ul li:hover .case-list-pic img{
	transform: scale(1.4);
}

.case-list ul li:hover .case-list-info h3{
	color: #cf5158;
	font-weight: bold;
}

.case-list ul li:hover .case-list-info p{
	text-decoration: underline;
}



.list-page {
	border-top: 1px solid #ececec;
	text-align: center;
	margin-top: 50px;
	padding-top: 40px;
}

.list-page a {
	padding: 15px 22px;
	display: inline-block;
	margin-left: 10px;
	margin-right: 10px;
	border: 1px solid #ececec;
}

.list-page a:hover,
.now-page {
	color: #fff;
	background: #cf5158;
	border: 1px solid #cf5158;
}

.foot {
	padding: 25px 0;
	margin-top: 50px;
	background: #f5f5f5;
	overflow: hidden;
	width: 100%;
	min-width: 1200px;
}

.foot p {
	line-height: 35px;
	text-align: center;
	font-size: 14px;
}

.foot .p1 {
	color: #dadada;
}

.foot .p1 a {
	display: inline-block;
	margin-left: 10px;
	margin-right: 10px;
}

p#back-to-top {
	position: fixed;
	bottom: 50px;
	left: 50%;
	margin-left: 550px;
}

p#back-to-top a {
	background: url("../images/backTop.png") no-repeat;
	display: block;
	height: 50px;
	width: 50px;
	
}

p#back-to-top a:hover {
	background: url("../images/backTop-hover.png") no-repeat;
}


@media all and (max-width: 640px) {
	.main{
		width: 1170px;
		padding: 0 15px;
		box-sizing: border-box;
	}
}