.main-nav{
    height: 70px;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    padding: 0 30px
}
.main-nav .return{
    
}
.main-nav .return a i{
    margin-right: 5px;
    font-size: 14px;
    vertical-align: middle;
}
.main-nav .return a{
    color: #fff;
    font-size: 16px;
}

.blur{
    position: fixed;
	width: 100%;
	height: 100%;
    top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}
.main-login{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
}

.login-box{
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100% - 70px)
}
.login-layout{
    margin-top: -120px;
}
.login-layout h2{
    font-size: 28px;
    margin-bottom: 30px;
    color: #fff;
    text-align: center;
}
.login-form{
    width: 360px;
    background-color: rgba(255, 255, 255, 0.5);
    padding: 30px;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0,0,0,.3);
}
.login-form h4{
    font-size: 22px;
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 2px;
    color: #fff;
    text-shadow: 1px 1px 7px rgba(0,0,0,.6);
}
.layui-form-item{
    height: 45px;
    background-color: #fff;
    border: 1px solid #f8f8f8;
    border-radius: 5px;
    display: flex;
    align-items: center;
    box-shadow: 0 0 20px 0 rgba(0,0,0,.2);
}
.layui-form-item .layui-icon{
    font-size: 26px;
    padding: 0 10px;
    color: #666;
}
.layui-form-item .layui-input{
    border: none;
    font-size: 16px;
    height: 45px;
    line-height: 45px;
}
.layui-submit{
    width: 80%;
    margin: 15px auto;
    text-align: center;
    margin-top: 15px;
    height: 45px;
    border-radius: 5px;
    background-color: #fff;
    color: #666;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 0 20px 0 rgba(0,0,0,.2);
}
.layui-submit:hover{
    color: #333;
}