body, button, dd, div, dl, dt, form, h1, h2, h3, h4, h5, h6, html, iframe, input, li, ol, p, select, table, td, textarea, th, ul {
    margin: 0 auto;
    padding: 0;
    font-family: Rubik, Microsoft YaHei
}
.invalid-feedback{
    padding-top: 5px;
    padding-left: 15px;
    width: 100%;
    margin-top: .25rem;
    color: #e3342f
}
.container{min-height: calc(100vh - 292px);margin: 40px auto}
img {
    border: 0 none;
    vertical-align: top
}

dd, dl, dt, li, ul {
    list-style-type: none
}

cite, em, i {
    font-style: normal
}

body {
    -webkit-text-size-adjust: none;
    font-family: Helvetica Neue, Helvetica, Arial, "sans-serif", PingFang SC
}

a {
    text-decoration: none
}

a:focus, input:focus, select:focus {
    outline: 0
}

.nav {
    width: 100%;
    background: #000
}

.nav, .nav_con {
    position: relative;
    height: 90px
}

.nav_con {
    width: 1250px
}

.lang {
    z-index: 5;
    position: absolute;
    right: 170px;
    display: inline;
    padding: 3px 20px;
    background: #0080ff;
    font-size: 13px;
    color: #fff;
    border-radius: 0 0 10px 10px
}

.lang:hover {
    cursor: pointer
}

.lang_active {
    color: #e0f769
}

.lang span {
    color: hsla(0, 0%, 100%, .4)
}

.work_english {
    display: none
}

.logo {
    float: left;
    margin-top: 20px;
    margin-left: 50px
}

.logo_infro {
    float: left;
    margin-left: 30px;
    margin-top: 30px
}

.nav .nav_ul {
    float: left;
    margin-left: 110px
}

.nav .nav_ul li {
    float: left;
    position: relative;
    text-align: center;
    line-height: 90px;
    width: 5pc;
    font-size: 1pc
}

.nav_li div {
    position: absolute;
    bottom: 0;
    width: 0;
    height: 3px;
    background: #3e86e5
}

.li_ep {
    z-index: 6;
    position: relative
}

.li_ep div {
    position: absolute;
    top: 90px;
    background: #fff;
    margin-left: -10px;
    height: 35px;
    width: 120%;
    line-height: 30px;
    display: none
}

.li_ep div:nth-of-type(2) {
    padding-bottom: 10px;
    top: 125px
}

.li_ep:hover {
    cursor: pointer;
    color: #3e86e5
}

.li_ep:hover .li_list {
    display: block
}

.nav ul li .nav_line {
    width: 100%
}

.nav ul li:nth-of-type(2), .nav ul li:nth-of-type(3) {
    margin-right: 25px
}

.nav ul li:nth-of-type(4), .nav ul li:nth-of-type(5) {
    margin-right: 18px
}

.nav ul li:nth-of-type(1) {
    margin-right: 15px
}

.nav a {
    color: #fff;
    display: block
}

.nav .active_hover, .nav a:hover {
    color: #ffcf08
}

.n_circle {
    width: 40px;
    height: 40px;
    background: #d5d5d5;
    border-radius: 50%;
    color: #f0f0f0;
    margin-top: 20px
}

.u_icon {
    margin-left: 10px;
    margin-top: 5px;
    color: #fff
}

.u_icon:before {
    font-size: 27px
}

.footer {
    background: #272a2c
}

.footer_con {
    width: 1250px;
    margin: 0 auto;
    padding-left: 50px
}

.foote_logo, .footer_font, .footer_wang {
    float: left
}

.foote_logo img {
    margin-top: 20px
}

.footer_font {
    margin-top: 4px;
    margin-left: 70px;
    color: #fff;
    font-size: 15px
}

.footer_font ul li .np {
    display: inline-block;
    width: 50px;
    color: #4b4d4f;
    text-align: center
}

.footer_font ul li {
    line-height: 35px
}

.footer_font ul li a {
    color: #fafafa
}

.footer_wang {
	margin: 30px 0px 0px 30px
}

@media screen and (max-width:1250px) {
    .footer {
        width: 1250px
    }
}

.zhonggao {
    padding-top: 15px;
    clear: both;
    color: #fff;
    font-size: 14px;
    padding-bottom: 15px
}