body,html {
    width: 100%;
    height: 100%;
}
* {
    padding: 0;
    margin: 0;
}
.wrap {
    width: 100%;
    height: 100%;
    background: url("../img/bg.jpg") 0 0 no-repeat;
    background-size: 100% 100%;
}
.content {
    width: 920px;
    height: 502px;
    position: fixed;
    top: 0;
    bottom: 0;
    margin: auto;
    right: 10%;
    background: #fff;
    border-radius: 15px;
    padding: 62px;
    box-sizing: border-box;
}
.lt,.rt{
    float: left;
}
.rt {
    margin-left: 100px;
}
.logo {
    margin-bottom: 40px;
}
.title {
    font-size: 26px;
    font-family: PingFang SC Heavy, PingFang SC Heavy-Heavy;
    font-weight: 800;
    color: #333333;
    letter-spacing: 1px;
    margin-bottom: 100px;
}
.label {
    font-size: 16px;
    font-family: PingFang SC Medium, PingFang SC Medium-Medium;
    font-weight: 500;
    color: #bfbfbf;
    margin-bottom: 10px;
}
.group>div input {
    border: 0;
    outline: none;
    border-bottom: 1px solid #e6e6e6;
    padding: 5px 10px;
    width: 335px;
    margin-bottom: 40px;
    font-size: 16px;
}
.group>div input.center {
    border-bottom: 1px solid #3a84ef;
}
.sub_btn {
    display: block;
    width: 360px;
    height: 44px;
    background: linear-gradient(#4a93fc 0%, #3a84ef 100%);
    border-radius: 6px;
    line-height: 44px;
    text-align: center;
    color: #fff;
    box-shadow: 0px 3px 10px 0px rgba(80,155,230,0.5), 0px 0px 1px 100px rgba(0,0,0,0.1) inset;
    cursor: pointer;
    outline: none;
    border: none;
}