html {
    height: 100%;
}

body {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
    background: url(../img/login-bg.png) no-repeat;
    background-size: 100% 100%;
}

.login-input-box {
    width: 700px;
    height: 723px;
    margin-right: 120px;
    padding-top: 133px;
}

.login-input-box h2 {
    font-weight: bold;
    font-size: 30px;
    color: #917BE9;
}

.login-input-box input {
    display: block;
    width: 531px;
    height: 40px;
    margin-top: 69px;
    font-size: 16px;
    line-height: 40px;
    color: rgba(1, 1, 1, .6);
    border-bottom: 2px solid #282727;
    font-size: 16px;
}

.login-input-box input.custom-placeholder {
    border-bottom: 2px solid #8165F0;

}

.login-input-box input.custom-placeholder::placeholder {
    color: #8165F0;
    /* 改变placeholder文本颜色为红色 */
}

.login-input-box button {
    display: block;
    width: 538px;
    height: 79px;
    background: #8165F0;
    border-radius: 4px;
    margin-top: 67px;
    margin-bottom: 7px;
    font-size: 20px;
    color: #FFFFFF;
    border: none;
    cursor: pointer;
}

.login-input-box a {
    font-size: 16px;
    color: #3B3B3B;
}

.login-input-box a:hover {
    color: #8165F0;
}