body .nav {
    position: fixed;
    width: 100%;
    height: 1rem;
    left: 0;
    top: 0;
    z-index: 8800;
    padding: 0 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background:#fff;
    box-shadow: 0px 55px 150px 0px rgba(3, 20, 79, 0.05);
}
.indexHeader .nav{
    background: none;
}

body .nav .mask {
    position: absolute;
    width: 100vw;
    height: 22vw;
    z-index: 1;
    left: 0;
    top: 0;
    background-color: #fff;
    transform-origin: 0 0;
    transform: scaleY(.001);
    pointer-events: none;
    transition: transform .5s cubic-bezier(.25, .74, .22, .99);
    box-shadow:0px 55px 150px 0px rgba(3, 20, 79, 0.05);
    background-image: url(../images/bg1.jpg);
    background-size: auto 100%;
    background-position: left bottom;
    background-repeat: no-repeat;
}
body .nav .logo {
    position: relative;
    z-index: 6;    width: 240px;
}

/* body .nav .logo .logoB {
    opacity: 0
} */
.indexHeader .nav .logo .logoB{
    opacity: 0
}
body .nav .logo .logoB,
body .nav .logo .logoW {
    transition: opacity .3s cubic-bezier(.25, .74, .22, .99);
    width: 100%;
}

body .nav .logo .logoW {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0
}
.indexHeader .nav .logo .logoW{
    opacity: 1
}
.indexHeader .hc{
    color:#fff;
}

body .nav .items {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    z-index: 5
}

body .nav .items>ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 50vw
}

body .nav .items>ul>li {
    position: relative
}

body .nav .items>ul>li>a {
    transition: color .5s;
    font-weight: 600
}
body .nav .items>ul>li>a:hover{
    color:#8f1d22 !important;
}

body .nav .items>ul>li>svg {
    width: .15rem;
    top: -.22rem;
    transition: opacity .8s cubic-bezier(.25, .74, .22, .99), transform .8s cubic-bezier(.25, .74, .22, .99);
    opacity: 0;
    transform: translateY(-5px) rotate(-20deg)
}

body .nav .items>ul>li>svg path {
    /* fill: #00d2ff */
}

body .nav .items>ul>li>ol {
    position: absolute;
    padding-top: .2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    visibility: hidden;
    opacity: 0
}

body .nav .items>ul>li>ol>li {
    transform: translateY(30px);
    opacity: 0
}

body .nav .items>ul>li>ol>li>a {
    padding: 8px 0;
    display: block;
    white-space: nowrap;
    color: #081121;
    opacity: .8;
    transition: color .3s cubic-bezier(.25, .74, .22, .99)
}

body .nav .items>ul>li>ol>li>a:hover {
    color: #8f1d22
}

body .nav .items>ul>li.on>a,
body .nav .items>ul>li:hover>a {
    color: #8f1d22;
    font-weight: 600
}

body .nav .items>ul>li.on>svg,
body .nav .items>ul>li:hover>svg {
    opacity: 1;
    transform: none
}

body .nav .items .language {
    display: flex;
    align-items: center
}

body .nav .items .language .line {
    width: 1px;
    height: 10px;
    margin: 0 .5rem;
    background-color: #fff;
    transition: background-color .5s
}


body .nav .items .language .box>span {
    position: relative;
    transition: color .5s;
    color:#000;
}
.indexHeader .nav .items .language .box>span{
    color:#fff;
}

body .nav .items .language .box>span:after {
    content: "";
    width: 0;
    position: absolute;
    height: 0;
    top: 5px;
    bottom: 0;
    margin: auto 0;
    right: -20px;
    border: 5px solid transparent;
    border-top-color: #000;
    transition: border-color .5s
}
.indexHeader .nav .items .language .box>span:after{
    border-top-color: #fff;
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .logo .logoB,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .logo .logoB,
body .nav.active .logo .logoB,
body .nav.bc .logo .logoB {
    opacity: 1
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .logo .logoW,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .logo .logoW,
body .nav.active .logo .logoW,
body .nav.bc .logo .logoW {
    opacity: 0
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
.home .r4 .inner .other .items body .inter>a:hover>i.nav .wc,
.home .r4 .r5 .inner .other .part .items body .inter>a:hover>i.nav .inter>a:hover>i,
.home .r4 .r5 .inner .part .other .items body .inter>a:hover>i.nav .inter>a:hover>i,
.home .r4 body #bloc .wrapper .rowFoot .inner .other .part .items .inter>a:hover>i.nav .inter>a:hover>i,
.home .r4 body #bloc .wrapper .rowFoot .inner .part .other .items .inter>a:hover>i.nav .inter>a:hover>i,
.home .r5 .inner .part .items body .nav.active .inter>a:hover>i,
.home .r5 .inner .part .items body .nav.bc .inter>a:hover>i,
.home .r5 .r4 .inner .other .part .items body .inter>a:hover>i.nav .inter>a:hover>i,
.home .r5 .r4 .inner .part .other .items body .inter>a:hover>i.nav .inter>a:hover>i,
body #bloc .wrapper .rowFoot .home .r4 .inner .other .part .items .inter>a:hover>i.nav .inter>a:hover>i,
body #bloc .wrapper .rowFoot .home .r4 .inner .part .other .items .inter>a:hover>i.nav .inter>a:hover>i,
body #bloc .wrapper .rowFoot .inner .part .items .nav.active .inter>a:hover>i,
body #bloc .wrapper .rowFoot .inner .part .items .nav.bc .inter>a:hover>i,
body .home .r4 .inner .other .items .inter>a:hover>i.nav #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .wc,
body .home .r4 .r5 .inner .other .part .items .inter>a:hover>i.nav .inter>a:hover>i,
body .home .r4 .r5 .inner .part .other .items .inter>a:hover>i.nav .inter>a:hover>i,
body .home .r5 .r4 .inner .other .part .items .inter>a:hover>i.nav .inter>a:hover>i,
body .home .r5 .r4 .inner .part .other .items .inter>a:hover>i.nav .inter>a:hover>i,
body .nav.active #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .nav.active .home .r5 .inner .part .items .inter>a:hover>i,
body .nav.active .wc,
body .nav.bc #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .nav.bc .home .r5 .inner .part .items .inter>a:hover>i,
body .nav.bc .wc {
    color: #081121
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .pwc,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .pwc,
body .nav.active .pwc,
body .nav.bc .pwc {
    fill: #8f1d22
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .items>ul>li>a,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .items>ul>li>a,
body .nav.active .items>ul>li>a,
body .nav.bc .items>ul>li>a {
    color: #000
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .items>ul>li:hover>a,
.home .r4 .inner .other .items body .inter>a:hover>i.nav .on #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
.home .r4 .inner .other .items body .inter>a:hover>i.nav .on .wc,
.home .r4 .r5 .inner .other .part .items body .inter>a:hover>i.nav .on .inter>a:hover>i,
.home .r4 .r5 .inner .part .other .items body .inter>a:hover>i.nav .on .inter>a:hover>i,
.home .r4 body #bloc .wrapper .rowFoot .inner .other .part .items .inter>a:hover>i.nav .on .inter>a:hover>i,
.home .r4 body #bloc .wrapper .rowFoot .inner .part .other .items .inter>a:hover>i.nav .on .inter>a:hover>i,
.home .r5 .inner .part .items body .nav.active .on .inter>a:hover>i,
.home .r5 .inner .part .items body .nav.bc .on .inter>a:hover>i,
.home .r5 .r4 .inner .other .part .items body .inter>a:hover>i.nav .on .inter>a:hover>i,
.home .r5 .r4 .inner .part .other .items body .inter>a:hover>i.nav .on .inter>a:hover>i,
body #bloc .wrapper .rowFoot .home .r4 .inner .other .part .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body #bloc .wrapper .rowFoot .home .r4 .inner .part .other .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body #bloc .wrapper .rowFoot .inner .part .items .nav.active .on .inter>a:hover>i,
body #bloc .wrapper .rowFoot .inner .part .items .nav.bc .on .inter>a:hover>i,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .items>ul>li:hover>a,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .on #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .on .wc,
body .home .r4 .r5 .inner .other .part .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body .home .r4 .r5 .inner .part .other .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body .home .r5 .r4 .inner .other .part .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body .home .r5 .r4 .inner .part .other .items .inter>a:hover>i.nav .on .inter>a:hover>i,
body .nav.active .items>ul>li:hover>a,
body .nav.active .on #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .nav.active .on .home .r5 .inner .part .items .inter>a:hover>i,
body .nav.active .on .wc,
body .nav.bc .items>ul>li:hover>a,
body .nav.bc .on #bloc .wrapper .rowFoot .inner .part .items .inter>a:hover>i,
body .nav.bc .on .home .r5 .inner .part .items .inter>a:hover>i,
body .nav.bc .on .wc {
    color: #333
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .language .line,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .language .line,
body .nav.active .language .line,
body .nav.bc .language .line {
    background-color: #333
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .language .box>span,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .language .box>span,
body .nav.active .language .box>span,
body .nav.bc .language .box>span {
    color: #333 !important
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav .language .box>span:after,
body .home .r4 .inner .other .items .inter>a:hover>i.nav .language .box>span:after,
body .nav.active .language .box>span:after,
body .nav.bc .language .box>span:after {
    border-color: #333 transparent transparent !important
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav nav.app-nav .inner_top,
body .home .r4 .inner .other .items .inter>a:hover>i.nav nav.app-nav .inner_top,
body .nav.active nav.app-nav .inner_top,
body .nav.bc nav.app-nav .inner_top {
    height: 50px
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav nav.app-nav .inner_top .topic #app-menu .line:before,
body .home .r4 .inner .other .items .inter>a:hover>i.nav nav.app-nav .inner_top .topic #app-menu .line:before,
body .nav.active nav.app-nav .inner_top .topic #app-menu .line:before,
body .nav.bc nav.app-nav .inner_top .topic #app-menu .line:before {
    background-color: #333
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-logo>a .white,
body .home .r4 .inner .other .items .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-logo>a .white,
body .nav.active nav.app-nav .inner_top .topic .app-logo>a .white,
body .nav.bc nav.app-nav .inner_top .topic .app-logo>a .white {
    opacity: 0
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-logo>a .black,
body .home .r4 .inner .other .items .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-logo>a .black,
body .nav.active nav.app-nav .inner_top .topic .app-logo>a .black,
body .nav.bc nav.app-nav .inner_top .topic .app-logo>a .black {
    opacity: 1
}

.home .r4 .inner .other .items body .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-search>i,
body .home .r4 .inner .other .items .inter>a:hover>i.nav nav.app-nav .inner_top .topic .app-search>i,
body .nav.active nav.app-nav .inner_top .topic .app-search>i,
body .nav.bc nav.app-nav .inner_top .topic .app-search>i {
    color: #333
}

body .nav.active .mask {
    pointer-events: auto;
    transform: scaleY(1)
}

body .nav nav.app-nav {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 2000;
    width: 100vw;
    height: 50px;
    pointer-events: auto;
    transition: all .5s ease
}

body .nav nav.app-nav .inner_top {
    transition: all .5s ease 0s;
    height: 68px;
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center
}

body .nav nav.app-nav .inner_top .topic {
    padding: 0 5%;
    height: 50px;
    width: 100%;
    border-bottom: 1px solid hsla(0, 0%, 100%, 0);
    display: flex;
    justify-content: space-between;
    align-items: center
}

body .nav nav.app-nav .inner_top .topic #app-menu {
    display: inline-block;
    position: relative;
    z-index: 10
}

body .nav nav.app-nav .inner_top .topic #app-menu .line {
    display: block;
    padding-top: 3px;
    padding-bottom: 3px;
    transition: all .4s ease
}

body .nav nav.app-nav .inner_top .topic #app-menu .line:before {
    content: "";
    display: block;
    height: 2px;
    width: 22px;
    background-color: #fff;
    border-top-right-radius: 2px;
    border-bottom-left-radius: 2px;
    transition: transform .4s ease .2s, background-color .5s ease 0s
}

body .nav nav.app-nav .inner_top .topic #app-menu .line:nth-of-type(2):before {
    width: 15px;
    margin-left: 7px
}

body .nav nav.app-nav .inner_top .topic .app-logo {
    position: relative;
    z-index: 10
}

body .nav nav.app-nav .inner_top .topic .app-logo>a {
    display: inline-block;
    width: 20vw;
    position: relative
}

body .nav nav.app-nav .inner_top .topic .app-logo>a>img {
    position: relative;
    width: 100%;
    transition: opacity .3s ease
}

body .nav nav.app-nav .inner_top .topic .app-logo>a>img.black {
    opacity: 0
}

body .nav nav.app-nav .inner_top .topic .app-search {
    position: relative;
    z-index: 10
}

body .nav nav.app-nav .inner_top .topic .app-search>i {
    color: #fff;
    font-size: 18px
}

body .nav nav.app-nav .inner_top .other-nav {
    position: absolute;
    top: 0;
    z-index: 10;
    left: 0;
    transform: translate3d(0, -100%, 0);
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all .3s cubic-bezier(.25, .74, .22, .99)
}

body .nav nav.app-nav .inner_top .other-nav .search-in {
    border: none;
    border-bottom: 1px solid #00d2ff;
    background-color: transparent;
    width: 4rem;
    line-height: .3rem
}

body .nav nav.app-nav .inner_top .other-nav .sub {
    color: #00d2ff;
    background-color: transparent;
    border: none;
    padding: 12px
}

body .nav nav.app-nav .inner_top .other-nav.on {
    opacity: 1;
    pointer-events: auto;
    transform: none
}

body .nav nav.app-nav .inner_top.on {
    height: 50px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .1)
}

body .nav nav.app-nav .inner_top.on .topic {
    border-bottom: 1px solid rgba(0, 0, 0, .1)
}

body .nav nav.app-nav .inner_top.on .topic #app-menu .line:before {
    background-color: #333
}

body .nav nav.app-nav .inner_top.on .topic .app-logo>a .white {
    opacity: 0
}

body .nav nav.app-nav .inner_top.on .topic .app-logo>a .black {
    opacity: 1
}

body .nav nav.app-nav .inner_top.on .topic .app-search>i {
    color: #333
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top,
body .nav nav.app-nav .inner_top.bc {
    height: 50px
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top .topic,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top .topic,
body .nav nav.app-nav .inner_top.bc .topic {
    border-bottom: 1px solid rgba(0, 0, 0, .1)
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top .topic #app-menu .line:before,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top .topic #app-menu .line:before,
body .nav nav.app-nav .inner_top.bc .topic #app-menu .line:before {
    background-color: #333
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top .topic .app-logo>a .white,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top .topic .app-logo>a .white,
body .nav nav.app-nav .inner_top.bc .topic .app-logo>a .white {
    opacity: 0
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top .topic .app-logo>a .black,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top .topic .app-logo>a .black,
body .nav nav.app-nav .inner_top.bc .topic .app-logo>a .black {
    opacity: 1
}

.home .r4 .inner .other .items body .nav nav.app-nav .inter>a:hover>i.inner_top .topic .app-search>i,
body .nav nav.app-nav .home .r4 .inner .other .items .inter>a:hover>i.inner_top .topic .app-search>i,
body .nav nav.app-nav .inner_top.bc .topic .app-search>i {
    color: #333
}

body .nav nav.app-nav .inner_top.active {
    height: 50px
}

body .nav nav.app-nav .inner_top.active .topic #app-menu .line:before {
    background-color: #333
}

body .nav nav.app-nav .inner_top.active .topic .app-logo>a .white {
    opacity: 0
}

body .nav nav.app-nav .inner_top.active .topic .app-logo>a .black {
    opacity: 1
}

body .nav nav.app-nav .inner_top.active .topic .app-search>i {
    color: #333
}

body .nav nav.app-nav .inner_mid {
    position: absolute;
    top: 50px;
    background-color: #fff;
    left: 0;
    width: 100%;
    height: calc(100% - 50px);
    overflow: hidden
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first>.firstList {
    padding: 0 5%;
    position: relative;
    transition: background-color .5s ease
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first>.firstList>a {
    color: #333;
    line-height: 48px;
    height: 48px;
    white-space: nowrap;
    display: block;
    font-weight: 700;
    border-bottom: 1px solid rgba(0, 0, 0, .09)
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first>.firstList>i {
    right: calc(5% - 5px);
    top: 0;
    font-size: 24px;
    position: absolute;
    display: inline-block;
    width: 48px;
    height: 48px;
    line-height: 48px;
    text-align: right;
    color: #333;
    transition: transform .5s ease-in-out
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first>.firstList.active {
    background-color: rgba(0, 135, 85, .05)
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first>.firstList.active>i {
    transform: scaleY(-1)
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second {
    background-color: rgba(0, 135, 85, .05);
    max-height: 0;
    transition: all .5s ease;
    overflow: hidden
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second>li {
    padding: 0 9%;
    position: relative
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second>li>a {
    padding: 12px 0;
    display: block;
    font-weight: 700
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second>li>i {
    opacity: 0;
    right: calc(5% - 5px);
    top: 0;
    font-size: 24px;
    position: absolute;
    display: inline-block;
    width: 48px;
    height: 48px;
    line-height: 48px;
    text-align: right;
    color: #333
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second>li.active {
    background-color: #f0f1f2
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_second.active {
    max-height: 100vh
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_three {
    background-color: #f0f1f2;
    max-height: 0;
    transition: all .5s ease;
    overflow: hidden
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_three>li {
    padding: 0 14%
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_three>li>a {
    padding: 10px 0;
    display: block
}

body .nav nav.app-nav .inner_mid .nav-items>.child_first .child_three.active {
    max-height: 100vh
}

body .nav nav.app-nav.on {
    height: 100vh
}

body .nav nav.app-nav.on .inner_top .topic #app-menu .line:first-of-type {
    transform: translate3d(0, 8px, 0)
}

body .nav nav.app-nav.on .inner_top .topic #app-menu .line:first-of-type:before {
    transform: rotate(45deg)
}

body .nav nav.app-nav.on .inner_top .topic #app-menu .line:nth-of-type(2) {
    opacity: 0
}

body .nav nav.app-nav.on .inner_top .topic #app-menu .line:nth-of-type(3) {
    transform: translate3d(0, -8px, 0)
}

body .nav nav.app-nav.on .inner_top .topic #app-menu .line:nth-of-type(3):before {
    transform: rotate(-45deg)
}

body .nav nav.app-nav .inner_top .topic .app-logo>a>img.black {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0
}


.home .r4 .inner .part, .home .r5 .inner .part .toTop, .layout-h-middle, body #bloc .wrapper .rowFoot .inner .part .toTop, body .nav .items>ul>li>svg {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
}


.head_a {
    width: 100%;
    height: 55px;
    position: fixed;
    top: 0;
    background-color: #fff;
    z-index: 9999;
    box-shadow: 0 0 2px rgba(200, 200, 200, 0.1);
    -webkit-box-shadow: 0 0 2px rgb(200, 200, 200, 0.1);
    -moz-box-shadow: 0 0 2px rgb(200, 200, 200, 0.1);
    display: none;
  }
  
  .head_a ul {
    width: 95%;
    height: 55px;
    margin: 0 auto;
  }
  
  .head_a ul li:nth-child(1) {
    width: 40%;
  }
  
  .head_a ul li {
    width: 25%;
    float: left;
    height: 55px;
  }
  
  .head_a ul li:nth-child(1) {
    display: flex;
    -webkit-display: flex;
    justify-content: left;
    align-items: center;
  }
  
  .head_a ul li:nth-child(2) {
    text-align: right;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 55px;
    float: right;
  }
  
  /*mob nav*/
  .sp_nav {
    width: 8vw;
    float: right;
    position: relative;
    cursor: pointer;
    height: 8vw;
    margin-top: 18px;
  }
  
  .sp_nav span {
    display: block;
    background: #8f1d22;
    width: 7vw;
    height: 3px;
    position: absolute;
    left: 0;
    transition: all ease 0.35s
  }
  
  .sp_nav span:nth-of-type(1) {
    top: 0px
  }
  
  .sp_nav span:nth-of-type(2) {
    top: 8px
  }
  
  .sp_nav span:nth-of-type(3) {
    top: 16px
  }
  
  .sp_nav_se span:nth-of-type(1) {
    top: 8px;
    transform: rotate(45deg)
  }
  
  .sp_nav_se span:nth-of-type(2) {
    width: 0
  }
  
  .sp_nav_se span:nth-of-type(3) {
    top: 8px;
    transform: rotate(-45deg)
  }
  
  .sjj_nav {
    position: fixed;
    z-index: 999;
    background: #eee;
    width: 100%;
    height: 100%;
    font-size: 1em;
    line-height: 40px;
    top: -100%;
    left: 0;
    overflow: auto;
    overflow-x: hidden;
    transition: top ease 0.35s;
    display: none;
  }
  
  .nav_show {
    top: 55px;
  }
  
  .sjj_nav>ul>li:first-child {
    overflow: hidden;
    border-top: 0
  }
  
  .sjj_nav>ul>li:first-child>a {
    float: left;
    width: 100%;
  }
  
  .sjj_nav>ul>li:first-child .language {
    float: right;
    width: 100%;
    overflow: hidden;
    line-height: 30px;
  }
  
  .sjj_nav>ul>li:first-child .language a {
    width: 20%;
    float: left;
    text-align: center;
    color: #999;
    border-right: 1px #ddd solid;
  }
  
  .sjj_nav ul li i {
    position: absolute;
    top: 5px;
    right: 0px;
    border-left: 1px #ddd solid;
    height: 30px;
    padding: 0px 7px 0 7px;
  }
  
  .sjj_nav ul li i svg {
    transform: rotate(-90deg);
    transition: all ease 0.35s
  }
  
  .sjj_nav ul li .sjj_nav_i_se svg {
    transform: rotate(0deg)
  }
  
  .sjj_nav ul li {
    border-top: 1px #ddd solid;
    margin-left: 5vw;
    position: relative;
    line-height: 40px;
  }
  
  .sjj_nav>ul>li:last-child {
    border-bottom: 1px #ddd solid;
  }
  
  .sjj_nav ul li ul {
    display: none
  }
  
  .sjj_nav ul li a {
    color: #616161;
    width: 100%;
    display: block;
  }
  
  .sjj_nav ul li ul li a {
    color: #999;
    display: block;
    text-align: left;
  }
  
  .sjj_nav ul li i svg {
    width: 20px;
    height: 20px;
    fill: #999;
  }
  
  .sjj_nav ul li .sjj_nav_i_se svg {
    fill: #cc0022
  }
  
  .sjj_nav ul li ul li>ul {
    margin-left: 10px
  }
  

@media screen and (max-width: 900px) {
    .indexHeader .nav{
        display: none;
    }
    .head_a {
        display: block;
      }
    
      .sjj_nav {
        display: block;
      }
    

}