body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-right {
    background-color: white;
 /*   height: 510px;
    width: 450px;*/
    padding: 20px 50px;
    border-radius: 10px;
    z-index: 1000;

}

.page-title {
    color: black;
    text-align: center;
    font-size: 30px;
    font-weight: 500;
   /* padding-top: 30px;
    padding-bottom: 50px;*/
}

.row {
    margin-bottom: 30px;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    box-sizing: border-box;
}

.form-input {
    padding-left: 40px;
    display: block;
    width: 100%;
    height: 45px;
    line-height: 2;
    border-width: 1px;
    border-style: solid;
    background-color: #fff;
    border-radius: 5px;
    border-color: #e6e6e6;
    outline: 0;
    -webkit-appearance: none;
    transition: all .3s;
    -webkit-transition: all .3s;
    box-sizing: border-box;
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
}

.btn {
    display: block;
    width: 100%;
    height: 45px;
    line-height: 2;
    border-width: 1px;
    border-style: solid;
    background-color: #000000;
    border-radius: 5px;
    border-color: #000000;
    outline: 0;
    color: white;
    -webkit-appearance: none;
    transition: all .3s;
    -webkit-transition: all .3s;
    box-sizing: border-box;
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
    cursor: pointer;

}

.btn:hover {
    background-color: gray;
}

.code-box{
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.fa-icon {
    position: absolute;
    left: 13px;
    top: 15px;
    color: #666;
    font-size: 19px;
}

.code {
    margin-left: 30px;
    padding-left: 0;
    text-align: center;
    cursor: pointer;
    font-size: 24px;
    color: #666;
    width: 20%;
}

a {
    text-decoration: unset;
}

.row-login {
    display: flex;

    position: relative;

    box-sizing: border-box;
    justify-content: space-between;
    color: #000000;

}

.about-login {
    margin-bottom: 20px;
    display: flex;
    box-sizing: border-box;
    justify-content: left;
    color: white;
    min-width: 650px;
    position: absolute;
    bottom: 0;
    margin-left: -50px;

}

.about-login a{

    color: #01d1f2;

}

.about-login p{
    margin-right: 20px;
}

.row-login a {
    color: #01d1f2;
}

.help-block {
    display: block;
    position: absolute;
    color: red;
    margin-top: 55px;
}

.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent !important;
    border: unset !important;
}

/* 调整加载器颜色 */
.loader-inner > div {
    background-color: #e74c3c;
}

@media (max-width: 600px) {
    .box-right{
        width: 300px;
        margin: 50px 0;
    }

    .page-title{
        font-size: 25px;
    }
}