@media screen and (min-width:1001px) {
    body,html{
        width: 100%;
        height: 100%;
        font-family: PingFang SC, Microsoft YaHei, Helvetica Neue, Open Sans, Arial, Hiragino Sans GB, 微软雅黑, STHeiti, SimSun, sans-serif;;
    }
    *{
        margin: 0;
        padding: 0;
    }
    .menu_pic,.close{
        display: none;
    }
    a{
        text-decoration: none;
    }
    .header{
       width: 100%;
       /* height: 60px; */
       /* background-color: #3769f4; */
       background: url(../images/nav.jpg) center no-repeat;
    }
    .headerContainer{
        width: 80%;
        height: 60px;
        margin-left: 10%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .headerLeftInfo{
        display: flex;
        align-items: center;
    }
    .headerLeftInfo>img{
        height: 50px;
    }
    .headerLeftInfo>p{
        color: #fff;
        margin-left: 10px;
        font-size: 18px;
    }
    .headerRightInfo{
        color: #fff;
        display: flex;
        align-items: center;
    }
    .headerRightInfo>.nav{
        display: flex;
    }
    .headerRightInfo>.nav>a{
        margin-right: 20px;
        cursor: pointer;
        color: #fff;
    }
    .headerRightInfo>.nav>a:hover{
        color: #ccc;
    }
    .serviceInfo{
        position: relative;
    }
    .serviceBtn{
        margin-right: 20px;
        cursor: pointer;
    }
    .serviceList{
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        position: absolute;
        top: 30px;
        left: 0;
        background: rgba(255, 255, 255, .95);
        border: 1px solid #eee;
        box-shadow: 0 8px 16px 0 rgb(0 0 0 / 10%);
        border-radius: 8px;
        text-align: center;
        padding: .75rem 0;
        text-align: left;
        z-index: 10;
    }
    .show{
        opacity: 1;
        visibility: visible;
    }
    .serviceList>a{
        display: block;
        width: 100%;
        /* padding: .25rem 1rem; */
        padding: 10px;
        clear: both;
        font-weight: 400;
        color: #212529;
        text-align: inherit;
        text-decoration: none;
        white-space: nowrap;
        background-color: transparent;
        border: 0;
        box-sizing: border-box;
    }
    .serviceList>a:hover{
        background-color: #418af3;
        color: #fff;
    }
    .chooseLan{
        margin-left: 10px;
        border-radius: 50%;
        background-color: #fff;
        width: 32px;
        height: 32px;
        color: #333;
        cursor: pointer;
        text-align: center;
    }
    #language{
        line-height: 32px;
        font-size: 14px;
    }
    .language{
        display: none;
    }
    .login{
        margin-right: 15px;
        border: 1px solid #fff;
        padding: 5px 10px;
        border-radius: 5px;
    }
    .headerRightInfo>a{
        text-decoration: none;
        color: #fff;
        
    }
    .register{
        width: 100%;
        margin-bottom: 10px;
    }
    .registerInfo{
        width: 80%;
        height: 300px;
        margin-left: 10%;
        background-color: #418af3;
        border-radius: 20px;
        margin-top: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .registerTip{
        width: 60%;
        color: #fff;
    }
    .registerTip>p:nth-of-type(1){
        font-size: 30px;
        font-weight: bold;
        margin-bottom: 10px;
    }
    .registerTip>p:nth-of-type(2){
        font-size:25px;
    }
    .registerBtn{
        padding: 10px 25px;
        font-size: 20px;
        cursor: pointer;
        color: #4f3df5;
        background-color: #fff;
        border: none;
        text-decoration: none;
    }
    .banner{
        width: 100%;
        height: 540px;
        /* background-color: #3769f4; */
        padding-top: 100px;
    }
    .bannerContainer{
        width: 80%;
        margin-left: 10%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .bannerContainer>h1{
        font-size: 3rem;
        line-height: 4.1875rem;
        font-weight: 700;
        padding-bottom: 1.4375rem;
        position: relative;
        top: 2.125rem;
        margin-bottom: 0;
        text-align: left;
        color: #fff;
    }
    .bannerContainer>p{
        font-size: 1.125rem;
        line-height: 1.75rem;
        position: relative;
        top: 2.125rem;
        margin-bottom: 0;
        color: #fff;
    }
    .backBtn{
        position: fixed;
        width: 50px;
        height: 50px;
        bottom: 40px;
        right: 30px;
        display: none; /* 默认隐藏 */
        align-items: center;
        justify-content: center;
        font-size: 16px;
        background-color: #e3e3e3;
        color: white;
        border: none;
        border-radius: 50%;
        cursor: pointer;
    }
    .backBtn:hover {
        background-color: #b5b5b5;
    }
    .backBtn>img{
        width: 24px;
        height: 24px;
    }
    .alignCenter{
        text-align: center;
    }
}

@media screen and (max-width:1000px) {
    body,html{
        width: 100%;
        height: 100%;
        font-family: PingFang SC, Microsoft YaHei, Helvetica Neue, Open Sans, Arial, Hiragino Sans GB, 微软雅黑, STHeiti, SimSun, sans-serif;;
    }
    *{
        margin: 0;
        padding: 0;
    }

    .headerContainer a{
        text-decoration: none;
        padding: 20px 20px;
        color: #333;
    }
    .header{
       width: 100%;
       background: url(../images/nav.jpg)  no-repeat;
    }
    .headerContainer{
        width: 100%;
        padding: 0 3%;
        height: 60px;
        /* margin-left: 10%; */
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-sizing: border-box;
        position: fixed;
        top: 0;
        left: 0;
        background-color: #459bf3;
        z-index: 9999;
    }
    .headerLeftInfo{
        display: flex;
        align-items: center;
    }
    .headerLeftInfo>img{
        height: 40px;
    }
    .headerLeftInfo>p{
        color: #fff;
        margin-left: 10px;
        font-size: 18px;
    }
    .headerRightInfo {
        width: 0;
        height: 0;
        overflow: hidden;
        position: fixed;
        right: 0;
        top: 60px;
        display: flex;
        flex-direction: column;
        background: #fff;
        z-index: 99999;
        transition: all 0.2s linear;
    }
    .serviceBtn{
        padding: 10px 20px;
        display: inline-block;
        width: 100%;
    }
    .nav{
        display: flex;
        flex-direction: column;
    }
    .serviceList{
        display: flex;
        flex-direction: column;
    }
    .serviceList>a{
        margin-left: 15px;
    }
     .menu_pic{
        width: 32px;
        height: 32px;
    }
    .close{
        display: none;
        width: 32px;
        height: 32px;
    }
    .chooseLan{
        margin-left: 10px;
        width: 32px;
        height: 32px;
        color: #333;
        cursor: pointer;
        text-align: center;
        width: 100%;
    }
    #language{
        font-size: 14px;
        border-radius: 50%;
        background-color: #f4f6fe;
        display: inline-block;
        padding: 10px;
    }
    .topRegister{
        margin-top: 20px;
        width: 100%;
        padding: 10px 0;
        background-color: #3e82f4;
        color: #fff;
        border: none;
        font-size: 16px;
        font-weight: bold;
    } 
    .login{
        border: 1px solid #ccc;
        border-radius: 5px;
        text-align: center;
        margin: 20px;
        padding: 10px 20px !important;
    }
    .quickRegister{
        background-color: #6d5bea;
        color: #fff !important;
        border-radius: 5px;
        text-align: center;
        margin:0 20px 10px;
        padding: 10px 20px !important;
    }
    .banner{
        width: 100%;
        padding-top: 50px;
        margin-top: 50px;
        padding-bottom: 20px;
    }
     .bannerContainer{
        width: 80%;
        margin-left: 10%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        color: #fff;
    }
    .bannerContainer>h1{
        font-size: 2.25rem;
        line-height: 3.13rem;
        word-break: keep-all;
        text-align: center;
        padding-bottom: 32px;
    }
    .bannerContainer>p{
        font-size: 1rem;
        line-height: 1.75rem;
    }
    .register{
        width: 100%;
        margin-bottom: 20px;
        box-sizing: border-box;
    }
    .registerInfo{
        width: 80%;
        height: 350px;
        margin-left: 10%;
        background-color: #418af3;
        border-radius: 20px;
        margin-top: 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .registerTip{
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
        color: #fff;
    }
    .registerTip>p:nth-of-type(1){
        font-size: 25px;
        font-weight: bold;
        margin-bottom: 10px;
    }
    .registerTip>p:nth-of-type(2){
        font-size:20px;
    }
    .registerBtn{
        padding: 10px 25px;
        font-size: 20px;
        cursor: pointer;
        color: #4f3df5;
        background-color: #fff;
        border: none;
        margin-top: 50px;
        text-decoration: none;
    }
    .backBtn{
        display: none;
    }
}