.post-info {
    display: block;
    border-radius: 20px;
    margin-top: -190px;
    background: linear-gradient(to bottom, #ffffff 70%, rgba(255, 255, 255, 0.3));
    box-shadow: 3px 3px 20px rgba(0, 56, 139, 0.11);
    padding: 80px;
    z-index: 99;
}
.head {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e6e6e6;
    gap: 70px;
}
.head > div > span {
    display: inline-block;
    border: 1px solid #e6e6e6;
    padding: 5px 20px;
    border-radius: 30px;
    font-size: 14px;
    color: #999999;
    margin-top: 10px;
    /*margin-right: 30px;*/
}
.head > p {
    font-size: 48px;
    padding-bottom: 30px;
    ;
}
.duty {
    padding-left: 5px;
}
.duty p {
    font-size: 20px;
    color: #666666;
    line-height: 40px;
}
.duty .title {
    color: #000;
    font-size: 24px;
    ;
    margin: 50px 0 10px;
}
.btn > a{
    left: 0;
    transform: translateX(0px);
    padding: 15px 50px;
}
.join-text{
    font-size: 394.78px;
    color: rgba(100, 169, 255, 0.07);
    font-family: 'sans';
    text-align: right;
    transform: translateX(250px);
    transition: transform 0.3s;
    margin-top: -270px;
    height: 400px;
    display: block;
}
.mask{
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.4);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    display: none;
}
.mask .box {
    background-color: #fff;
    width: 720px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 30px;
}
.mask .box .close {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}
.mask .box .close img {
    display: block;
    object-position: center;
    object-fit: cover;
}
#file{
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
}
.submit {
    background: #3ecd58;
    color: #fff;
    border: 0;
    padding: 10px 50px;
    border-radius: 32px;
    cursor: pointer;
    transition: 0.3s;
    margin: 30px auto;
    display: block;
    font-size: 16px;
}
/*.submit:hover{
    background-size: 100% 100%;
    color: #fff;
    border: 0;
}*/
.select select{
    display: block;
    margin: 40px auto 0;
    width: 200px;
    padding: 15px 20px 15px;
    border-radius: 40px;
    -webkit-appearance: none;
    cursor: pointer;
    border: 1px solid #47cf60;
    transition: all 0.3s;
    font-size: 0.8vw;
    outline: none;
    position: relative;
}
.select{position: relative}
.select img {
    position: absolute;
    top: 50%;
    right: 38%;
    transform: translateY(-50%);
    display: block;
    transition: 0.2s;
}
.sj {
    padding: 16px;
    position: absolute;
    right: 10px;
    top: 0;
    z-index: 1;
    text-align: center;
    pointer-events: none;
    box-sizing: border-box;
    color: #47cf60;
    transition: all 0.5s;
}
.box .city-list{
    width: 190px;
    box-shadow: -5px 5px 5px rgba(44, 137, 222, 0.05);
    padding: 20px 0px 20px;
    display: none;
    position: absolute;
    top: 92px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
}
.box .city a{
    color: #000;
    display: block;
    width: 100%;
    padding: 2px 0 2px 20px;
}
.box .city a:hover ,.checked{
    background-color: #3ecd58;
    color: #fff !important;
}

.active{
    transform: rotate(180deg);
}
.box .upload {
    width: 320px;
    margin: 50px auto;
}
.box .upload .title {
    text-align: center;
    font-size: 30px;
    letter-spacing: 2px;
}
.upload .file {
    background: url("../images/jianli.png") no-repeat center;
    height: 301px;
    margin-top: 20px;
    padding: 0.1px;
}
.file .file-btn {
    margin-top: 220px;
}
.file .file-btn a {
    padding: 10px 30px;
    color: #0162d0;
    border: 1px solid #1946b9;
    font-size: 14px;
    text-align: center;
    background: linear-gradient(to right,#0162d0, #0162d0) no-repeat left bottom;
    background-size: 100% 0;
    cursor: pointer;
}
.file .file-btn a:hover{
    background: linear-gradient(to right,#0162d0, #0162d0) no-repeat left bottom;
    background-size: 100% 100%;
}
.format {
    margin-top: 70px;
}
.format p {
    text-align: center;
    color: #333;
}
.format ul {
    display: flex;
    margin-top: 20px;
    justify-content: center;
    gap: 20px;
}
.center-btn a{
    width: 128px;
    left: 50%;
    transform: translateX(-50%);
    justify-content: center;
}

@media screen and (max-width: 1580px){
    .post-info{
        width: 80% !important;
    }
    .select select{
        font-size: 16px;
    }
}
@media screen and (max-width: 810px){

    .join-text{
       display: none;
    }
    .format {margin-top: 30px}
    .mask .box{
        width: 80%;
    }
    .post-info{
        width: 78% !important;
        padding: 30px;
    }
    .head {
        gap: 20px;
    }
    .head > p { font-size: 25px }
    .head > div > span {
        font-size: 12px;
        padding: 5px 15px;
    }
    .duty p{
        font-size: 16px;
        line-height: 28px;
    }
    .duty .title{font-size: 20px}
}
@media screen and (max-width: 500px) {
    .select img{
     right: 30%;
    }
    .upload .file {
        background-size: contain;
        height: 230px;
    }
    .file .file-btn {
        margin-top: 150px;
    }
    .center-btn a{
        width: 88px;
    }
    .head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding-bottom: 20px;
    }
    .head p {
        padding: 0;
    }
    .box .upload {
        width: 90%;
    }
}