body {
    background: #fafafa;
}

.header {
    height: 80px;
    background: #ffffff;
}

.header ul li a {
    line-height: 80px;
}

.header .logo {
    margin: 18px auto;
}

.header .denglu {
    margin-top: 25px;
}

.banner {
    width: 100%;
    height: 610px;
    background: url(../img/jpg/21.jpg) no-repeat;
    min-width: 1200px;
    display: flex;
    justify-content: center;
}

.bnner-box {
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
}

.banner-t {
    font-family: MyriadPro-Regular;
    font-size: 48px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 48px;
    letter-spacing: 1px;
    color: #ffffff;
    opacity: 0.2;
    margin-top: 214px;
}

.bt_z {
    font-family: SourceHanSansCN-Bold;
    font-size: 36px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 19px;
}

.bnner-box span {
    display: block;
    width: 70px;
    height: 2px;
    background: #f6aa15;
    margin-top: 19px;
}

.bnner-box p {
    width: 628px;
    height: auto;
    font-family: SourceHanSansCN-Regular;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 29px;
}

.nav {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-bottom: 1px solid #e3e3e3;
    background: #ffffff;
}

.nav ul {
    width: 1200px;
    margin: 0 auto;
}

.nav ul li {
    float: left;
    width: auto;
    margin-right: 53px;
}

.nav ul li a {
    display: block;
    font-family: MicrosoftYaHei;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 72px;
    letter-spacing: 1px;
    color: #666666;
}

.nav_on {
    color: #0053a6 !important;
    border-bottom: 1.5px solid #0053a6;
}
.human{
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    padding: 50px 0;
}
.human h3{
    text-align: center;
    font-family: MicrosoftYaHei-Bold;
	font-size: 36px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 72px;
	letter-spacing: 2px;
	color: #0053a6;
}
.human_y{
    text-align: center;
    font-family: Arial-BoldMT;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 1px;
	color: #cccccc;
}
.human_con{
    text-align: center;
    font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 30px;
	letter-spacing: 0px;
	color: #333333;
    margin-top: 30px;
}
.human_box{
    width: 800px;
	height: 66px;
    border: 2px solid #0053a6;
    margin: 30px auto;
    position: relative;
}
.human_box p{
    width: 792px;
    height: 58px;
    background: #0053a6;
    font-family: MicrosoftYaHei;
	font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 58px;
	letter-spacing: 0px;
	color: #ffffff;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    text-align: center;
}
.human img{
    width: 1200px;
	height: 600px;
	background-color: #fafafa;
    display: block;
    margin-top: 30px;
}