/*base*/
.y-1320{
    width: 1320px;
    margin: 0 auto;
}
.y-top{
    padding-top: 80px;
}
body,
html {
  scroll-behavior: smooth;
}
/*导航*/
.nav-section{
    z-index: 9999;
    background-color: #fff;
}
.nav-section .y-1320{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo{
    width: 160px;
}
.nav-logo img{
    max-width: 100%;
}
.nav-option-list{
    width: 60%;
    display: flex;
    justify-content: space-between;
}
.nav-option{
    position: relative;
}
.nav-option .son-nav{
    width: 220%;
    position: absolute;
    left: 50%;
    top: 150%;
    z-index: 9;
    background: #fff;
    box-shadow: 1px -5px 10px rgba(0, 0, 0, .11);
    transform: translateX(-50%);
    opacity: 0;
    visibility: hidden;
    transition: all .5s;
}
.nav-option:hover .son-nav{
    top: 100%;
    opacity: 1;
    visibility: visible;
}
.nav-option .son-nav a:hover{
    border-bottom: 1px solid #ccc;
    font-size: 15px;
    font-weight: normal;
}
.nav-option .son-nav a{
     display: block;
    text-align: center;
    font-size: 15px;
    color: #3f3f3f;
    padding: 3px 0;
    transition: all .5s;   
    height: auto;
    line-height: 38px;
    border-bottom: 1px solid #ccc;
}
.nav-option .son-nav a:nth-last-child(1){
    border: 0;
}
.nav-option:nth-last-of-type(1){
    margin-right: 0;
}
.nav-option a{
    display: block;
    height: 80px;
    line-height: 80px;
    font-size: 16px;
    color: #666666;
}
.nav-active,
.nav-option a:hover{
    border-bottom: 2px solid #ce0000;
    font-weight: bold;
    color: #0071aa !important;
}
#nav-fixed{
    position: fixed;
    width: 100%;
    animation:nav_animation 800ms;
    box-shadow: 0 0 10px 2px rgba(0,0,0,0.22);
}
@keyframes nav_animation {
    0%{
        top: -80px;
        opacity: 0;
    }
    100%{
        top: 0;
        opacity: 1;
    }
}


/*手机导航*/
.m_header{
    display: none;
}
@media (max-width: 990px) {
    .nav-section{
        display: none;
    }
    /*后加*/
    .m-header-search{
        display: flex;
        justify-content: center;
        padding-top: 30px;
    }
    .m-header-search .nav-search{
        width: 90%;
    }
    .m-header-search .nav-search input{
        width: 70%;
    }
    .m-header-search .nav-search button{
        width: 30%;
    }
    /*end*/
    .m_header {
        display: block;
        position: relative;
        height: 50px;
        left: 0;
        top: 0
    }
    .sp_header {
        height: 50px;
        overflow: hidden;
        background: #fff;
        position: fixed;
        z-index: 10;
        width: 100%;
        top: 0;
        z-index: 999999
    }
    .sp_logo {
        padding: 10px;
        float: left;
        height: 50px
    }
    .sp_logo img {
        margin: auto;
        max-height: 30px
    }
    .sp_nav {
        width: 50px;
        float: right;
        position: relative;
        cursor: pointer;
        height: 30px;
        margin-top: 15px
    }
    .sp_nav span {
        display: block;
        background: #0071aa;
        width: 30px;
        height: 2px;
        position: absolute;
        left: 10px;
        transition: all ease 0.35s
    }
    .sp_nav span:nth-of-type(1) {
        top: 0px
    }
    .sp_nav span:nth-of-type(2) {
        top: 10px
    }
    .sp_nav span:nth-of-type(3) {
        top: 20px
    }
    .sp_nav_se span:nth-of-type(1) {
        top: 10px;
        transform: rotate(45deg)
    }
    .sp_nav_se span:nth-of-type(2) {
        width: 0
    }
    .sp_nav_se span:nth-of-type(3) {
        top: 10px;
        transform: rotate(-45deg)
    }
    .sjj_nav {
        position: fixed;
        z-index: 9;
        background: #ffffff;
        width: 100%;
        height: calc(100% - 50px);
        font-size: 14px;
        line-height: 40px;
        top: -100%;
        left: 0;
        overflow: auto;
        overflow-x: hidden;
        transition: top ease 0.35s;
    }
    .nav_show {
        top: 50px;
        z-index: 999;
    }
    .sjj_nav>ul>li:first-child {
        overflow: hidden;
        border-top: 0
    }
    .sjj_nav>ul>li:first-child>a {
        float: left;
        width: calc(100% - 70px);
    }
    .sjj_nav>ul>li:first-child .language {
        float: right;
        width: 70px;
        overflow: hidden;
        line-height: 30px;
        margin-top: 5px
    }
    .sjj_nav>ul>li:first-child .language a {
        width: 35px;
        float: left;
        border-left: 1px #ddd solid;
        text-align: center;
        color: #999
    }
    .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: 0 20px;
        position: relative;
        line-height: 40px;
        font-size: 14px
    }
    .sjj_nav>ul>li:last-child {
        border-bottom: 1px #ddd solid
    }
    .sjj_nav ul li ul {
        display: none
    }
    .sjj_nav ul li a {
        color: #666;
        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: #555
    }
    .sjj_nav ul li .sjj_nav_i_se svg {
        fill: #f5b247
    }
    .sjj_nav ul li ul li>ul {
        margin-left: 10px
    }
}


/*标题基础*/
.title-base{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 11px;
    border-bottom: 1px solid #e6e6e6;
}
.title-base h3{
    font-weight: bold;
    font-size: 26px;
    line-height: 1;
    color: #333333;
    border-bottom: 3px solid #0071aa;
}
.title-base p{
    font-size: 14px;
    line-height: 26px;
    color: #cccccc;
}
.title-base p img{
    margin-left: 11px;
}
.title-box>p{
    font-size: 14px;
    line-height: 26px;
    color: #999999;
    padding-top: 5px;
}


/*底部导航*/
.foot-section{
    margin-top: 60px;
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
}
.foot-title{
    display: flex;
    justify-content: center;
}
.foot-title h3{
    border-bottom: 1px solid #c7c7c7;
    font-size: 18px;
    font-weight: bold;
    line-height: 28px;
    color: #333333;
    padding:50px 0 12px;
    position: relative;
}
.foot-title h3::after{
    content: "";
    display: block;
    position: absolute;
    bottom: -2px;
    width: 32px;
    height: 3px;
    background-color: #0071aa;
    left: 50%;
    transform: translateX(-50%);
}
.foot-list{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.foot-list{
    padding: 24px 0 32px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}
.foot-list li{
    margin: 0 35px;
}
.foot-list li a{
    font-size: 16px;
    line-height: 28px;
    color: #666666;
}
.foot-bottom{
    display: flex;
    justify-content: space-between;
    padding: 34px 0;
}
.foot-bottom>div>h3{
    font-size: 16px;
    font-weight: bold;
    line-height: 24px;
    color: #0071aa;
    padding-bottom: 12px;
}
.foot-center{
    width: 125px;
}
.foot-center h3{
    text-align: center;
}
.foot-lf,
.foot-rg{
    width: 322px;
}
.foot-lf ul li{
    font-size: 14px;
    line-height: 22px;
    color: rgba(51,51,51,0.8);
}
.foot-lf ul li:nth-of-type(2n){
    padding-bottom: 5px;
}
.foot-rg p{
    font-size: 14px;
    line-height: 30px;
    color: rgba(51,51,51,0.8);
}
.foot-bottom .foot-center h3{
    padding-bottom: 16px;
}
.foot-span{
    border-top: 1px solid rgba(153,153,153,0.17);
    padding: 17px 0;
}
.foot-span .y-1320{
    display: flex;
    justify-content: space-between;
}
.foot-span .y-1320 span{
    font-size: 14px;
    color: rgba(102,102,102,0.5);
}
.foot-rg div{
    max-width: 322px;
    height: 48px;
    margin-top: 20px;
    border-radius: 12px;
    background-color: rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 17px 0 40px;
}
.foot-rg div p{
    font-size: 14px;
    color:rgba(255,255,255,0.8);
}

@media (max-width: 1335px){
    .y-1320{
        width: 100%;
        padding: 0 50px;
    }
    .y-top{
        padding-top: 60px;
    }

    /*导航*/
    .nav-option{
        margin-right: 30px;
    }
}
@media (max-width: 1200px){
    .foot-list li{
        margin: 0 30px;
    }
    .nav-logo{
        width: 200px;
    }
    .nav-logo img{
        max-width: 100%;
    }
    .nav-option{
        margin-right: 24px;
    }
    .title-base h3{
        font-size: 22px;
    }
    .nav-option a{
        font-size: 14px;
    }
}
@media (max-width: 990px){
    .y-1320{
        padding: 0 25px;
    }
    .y-top{
        padding-top: 40px;
    }
    .foot-list li{
        margin: 0 16px;
    }
    .foot-bottom{
        flex-wrap: wrap;
    }
    .foot-lf{
        width: 48%;
        order: 1;
    }
    .foot-rg{
        order: 2;
        width: 48%;
    }
    .foot-center{
        order: 3;
        margin-top: 10px;
    }
    .title-base h3{
        font-size: 18px;
    }
    .title-box>p{
        font-size: 12px;
    }
    .foot-section{
        margin-top: 50px;
    }
}
@media (max-width: 767px){
    .y-top{
        padding-top: 25px;
    }
    .y-1320{
        padding: 0 10px;
    }
    .title-base h3{
        font-size: 16px;
    }
    .title-base{
        padding-bottom: 4px;
    }
    .title-box>p{
        padding-top: 2px;
    }
    .foot-section{
        margin-top: 40px;
    }
    .foot-title h3{
        font-size: 16px;
        padding: 25px 0 6px;
    }
    .foot-list li a{
        font-size: 14px;
    }
    .foot-list{
        padding: 12px 0 18px;
    }
    .foot-lf,
    .foot-rg{
        width: 100%;
    }
    .foot-bottom{
        justify-content: center;
        padding: 18px 0;
    }
    .foot-bottom>div>h3{
        font-size: 15px;
        padding-bottom: 8px;
    }
    .foot-lf ul li{
        line-height: 20px;
    }
    .foot-rg p{
        line-height: 22px;
    }
    .foot-bottom .foot-center h3{
        padding-bottom: 5px;
    }
    .foot-rg{
        margin-top: 10px;
    }
    .foot-rg div{
        width: 300px;
        height: 42px;
        margin-top: 12px;
    }
    .foot-span{
        padding: 10px 0;
    }
    .foot-span .y-1320{
        flex-wrap: wrap;
        justify-content: center;
    }
    .foot-span .y-1320 span{
        text-align: center;
    }
    .foot-span .y-1320 span:nth-last-of-type(1){
        margin-top: 5px;
    }
}