html,body{
    color:#333;
    height: 100%;
    position:relative;
    background-color:#FFF;
    /*overflow-x: hidden;*/
}
html{
    font-size: 62.5%;
}
body{
    min-width:320px;
    font-size: 1.6rem;
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
}
.bodyMain{
    /*flex: 1;*/
}
*{
    padding:0px;
    margin:0px;
    list-style:none;
    font-family:Arial,Microsoft Yahei;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
img{
    border:0;
    vertical-align: middle;
}
li{
    list-style: none;
    padding: 0;
    margin: 0;
}
.top_header{
    width:100%;
    min-width: 320px;
    position:fixed;
    z-index:99;
    background-color:#fff;
}
.header_main{
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding:2rem 2rem;
}
.header_main_logo{
    width:68px;
    -webkit-tap-highlight-color: transparent;
    outline: 0;
    cursor: pointer;
    display: flex;
}
.main_c1{
    display: flex;
    align-items: center;
}
.header_main_nav{
    display: flex;
    align-items: center;
}
.nav_item{
    display: flex;
    align-items: center;
    margin-right:50px;
    font-size: 18px;
    color: #666666;
    opacity: 1;
    cursor: pointer;
}
.nav_item_bg{
    padding:8px 12px;
    background: #036BC1;
    border-radius: 5px;
    font-size: 14px;
}
.nav_item a{
    color:#666;
}
.nav_item_bg a{
    color: #FFFFFF;
}
.nav_active{
    font-weight: bold;
}
.header-right{
    display: flex;
    position: relative;
}
.header-right .langwrap{
    cursor: pointer;
    display: flex;
    align-items: center
}
.header-right .langwrap .langwrap-ul{
    display:none;
    position: absolute;
    top:40px;
    left:0;
    cursor: pointer;
    box-shadow: 0px 0px 7px 0px rgba(0,0,0,0.22);
}
.header-right .langwrap .langwrap-ul li{
    display:block;
    width:90px;
    padding:10px;
    border-bottom:1px solid #D2D2D2;
    color:#333;
    text-align:center;
    background:#fff;
    font-size:14px;
}
.header-right .langwrap .langbtn.active {
    background-color: #2569AD;
    color: #fff;
}
.header-right .check-block{
    font-size:16px;
    line-height:34px;
}
.header-right .check-block .check-text{
    color:#2569AD;
    float: left;
}
.header-right .langwrap .right {
    width: 10px;
    border: 2px;
    position: relative;
    font-weight: 700;
    float: left;
    margin-left: 5px;
    color: #2569ad;
    transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}

.main_cont{
    width: 100%;
    min-width: 320px;
    padding-top:10.8rem;
}

.header_right_mo{
    display: none;
}
.nav_item_sign{
    position: absolute;
    right: 3.2rem; 
}
.nav_item_sec{
    width: 100%;
    display: none;

}
.header_main_nav_ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav_item_sign{
    display: none;
}
.nav_item_sec_pc{
    width: 100%;
    position: absolute;
    top: 8.4rem;
    left: 0;
    z-index: 999;
    background: #FAFBFC;
    display: none;
}
.nav_item_sec_pc_cont{
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav_item_sec_pc_main{
    padding: 2rem 2rem;
}
.header_pc{
    display: flex;
}
.header_mo{
    display: none;
}
.ie_warning{
    background: #ffebee;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    border-left: 4px solid #e74c3c;
    margin-top: 20px;
}
.ie_warning h2 {
    color: #e74c3c;
    margin-bottom: 15px;
}

.ie_warning p {
    margin-bottom: 15px;
}
.pc_device{
    display: block;
}
.mobile_device{
    display: none;
}
.footer {
    width: 100%;
    margin:0 auto;
    min-width: 320px;
    text-align: center;
    opacity: 1;
    position: relative;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #282828;
    color: #fff;
    text-align: center;
}
.footer a{
    color:#fff;
}
.footer-main{
    width: 1200px;
    margin: 0 auto;
    background: #282828
}
.footer_fixed {
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
}
.footer-main_top{
    width: 100%;
    height: 337px;
}
.footer-main-bottom{
    width: 100%;
    height: 80px;
}
.footer-main_top_left{
    width: 90px;
    float: left;
    margin-left: 38px;
    margin-top: 71px;
}
.footer-main_top_left img{
    width: 100%;
    display: block;
}

.footer-main_top_right{
    float: left;
    margin-left: 109px;
    margin-top: 100px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 40px;
}

.footer-mbtm-line{
    width: 1200px;
    margin: 0 auto;
    border: 1px solid #FFFFFF;
}
.footer-mbtm-last {
    width: 1200px;
    margin: 0 auto;
    margin-top: 33px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
}
.footer-mbtm-last2{
    width: 1200px;
    margin: 0 auto;
    margin-top: 10px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
}
.ft-mbtm-a{
    color: #FFFFFF;
}
.footer-mbtm_span{
    padding: 0 15px;
}
.footer-main_top_right_top{
    width: 100%;
    text-align: center;
}
.footer-main_top_right_bottom{
    padding-top: 68px;
}
.footer-main_top_right_bottom li{
    list-style: none;
    width: 68px;
    float: left;
}
.footer-main_top_right_bottom li img{
    width: 100%;
    display: block;
}
.footer-main_top_right_bottom li:not(:nth-child(6n)){
    margin-right: 59px;
}

/*1200px以下导航栏和页脚的样式切换*/
@media (max-width: 1200px) {
    .pc_device{
        display: none;
    }
    .mobile_device{
        display: block;
    }
    .header_main_logo{
        width:6.8rem;
    }
    .nav_links {
        position: fixed;
        top: 9.8rem;
        left: 0;
        right: 0;
        background: #FFF;
        flex-direction: column;
        align-items: center;
        display: none;
        height: 100%;
    }
    .nav_links.active {
        display: flex;
        min-width: 320px;
    }
    .nav_item{
        width: 100%;
        border: 1px solid #EEE;
        font-size: 2rem;
    }
    .header_mo .nav_item a{
        padding: 1rem 2rem;
        width:100%;
    }
    .header_right_mo{
        display: flex;
        align-items: center;
        justify-content: right;
    }
    .langwrap_mobie{
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        right: 1.5rem;
    }
    .langwrap_mobie .langwrap-ul{
        width: 100%;
        display:none;
        position: absolute;
        top:3rem;
        cursor: pointer;
        box-shadow: 1px 1px 7px 1px rgba(0,0,0,0.22);
    }
    .langwrap_mobie .langwrap-ul li{
        display:block;
        padding:1rem 0;
        border-bottom:1px solid #D2D2D2;
        color:#333;
        text-align:center;
        background:#fff;
        font-size: clamp(1.2rem,2vw,1.5rem);
    }
    .langwrap_mobie .langbtn.active {
        background-color: #2569AD;
        color: #fff;
        border-bottom:1px solid #2569AD;
    }
    .mobile_logo {
        width: 3rem;
        -webkit-tap-highlight-color: transparent;
        outline: 0;
        cursor: pointer;
    }
    .right{
        border: 0.04rem;
        position: relative;
        font-weight: 700;
        float: left;
        margin-left: 0.4rem;
        color: #2569ad;
        transform: rotate(90deg);
    }
    .check-block{
        font-size: 2rem;
    }
    .check-block .check-text{
        color:#2569ad;
        float: left;
        cursor: pointer;
    }
    .header-right{
        display: none;
    }
    .nav_item_sec_main{
        font-size: 1.5rem;
        border: 1px solid #EEE;
        padding: 1rem 4.2rem;
        color: #0009;
    }
    .nav_item_sign{
        display: block;
    }
    .header_main_nav_ul{
        width: 100%;
        flex: none;
        flex-direction: column;
    }
    .header_main_nav_ul li{
        width: 100%;
    }
    .nav_item_sign_active{
        transform: rotate(90deg);
    }
    .nav_item_sec_pc{
        display: none;
    }
    .header_pc{
        display: none;
    }
    .header_mo{
        display: flex;
        flex-direction: column;
    }
    .menu-open {
        overflow: hidden; /* 锁定背景滚动 */
    }
    .menu-content {
        overflow-y: auto; /* 仅菜单内容滚动 */
    }
    .footer .mobile_device{
        padding: 2rem 0;
    }
    .mobile_device .footer_bottom{
        padding-top: 1rem;
    }
    .mobile_device .footer-mbtm-last_point{
        cursor: pointer;
    }
    .mobile_device .footer-mbtm_span{
        padding: 0 0.5rem;
    }
    
}

@media (min-width: 769px) and (max-width: 1200px) {
    .footer .mobile_device{
        font-size:1.6rem;
    }
}

/* 媒体查询 - 平板设备 */
/*使用rem作单位*/
@media (max-width: 768px) {
    .header_main{
        padding:1rem 2rem;
    }
    .nav_links{
        top: 8rem;
    }
    .header_main_logo{
        width: 6rem;
    }
    .footer .mobile_device{
        font-size:1.4rem;
        padding: 2rem 0;
    }
    .nav_item{
        font-size:1.7rem;
    }
    .check-block{
        font-size: 1.7rem;
    }
    .mobile_logo {
        width: 2.5rem;
    }
    .langwrap_mobie .langwrap-ul{
        top:2.6rem;
    }
    .main_cont{
        padding-top: 6rem;
    }
}

/* 媒体查询 - 移动设备 */
/*使用rem作单位*/
@media (max-width: 480px) {
    .header_main_logo{
        width:4rem;
    }
    .nav_links {
        top: 6rem;
    }
    .footer .mobile_device{
        font-size:1.2rem;
        padding: 1.5rem 0;
    }
}