html, body, form {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.page-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -99;
    background: url(/App_Image/bg.png) no-repeat center center;
    background-size: 100% 100%;
}

.page-win {
    position: relative;
    width: 420px;
    height: 100%;
    margin: 0 auto;
    text-align: center;
}

    .page-win::before {
        content: '';
        display: inline-block;
        height: 100%;
        width: 0;
        vertical-align: middle;
    }

    .page-win .login {
        display: inline-block;
        width: 400px;
        height: 420px;
        margin-top: -40px;
        border-radius: 20px;
        background-color: transparent;
        box-shadow: 0 2px 20px 2px rgba(0,0,0,.2);
        overflow: hidden;
        vertical-align: middle;
    }

        .page-win .login .logo {
            height: 60px;
            padding: 40px 0;
            background: url(/App_Image/logo-bg.png) no-repeat center center;
            background-size: 100% 100%;
        }

            .page-win .login .logo img {
                height: 60px;
                margin: 0 auto;
            }

    .page-win .form {
        position: relative;
        display: block;
        height: calc(100% - 190px);
        padding: 30px 80px 20px 80px;
        background-color: #fff;
    }

        .page-win .form .item {
            height: 28px;
            margin-bottom: 25px;
            line-height: 28px;
        }

            .page-win .form .item input {
                height: 26px;
                width: 100%;
                line-height: 26px;
                border: none;
                border-bottom: 1px solid #11A1F5;
                outline: none;
            }

                .page-win .form .item input:focus {
                    border-bottom: 1px solid #11A1F5;
                }

        .page-win .form .icon {
            padding-left: 30px;
        }

        .page-win .form .user {
            background: url(/App_Image/login/user.png) no-repeat left center;
        }

        .page-win .form .upwd {
            background: url(/App_Image/login/upwd.png) no-repeat left center;
        }

        .page-win .form .tips {
            color: #696969;
            font-size: 12px;
            text-align: left;
            margin-bottom: 10px;
            background: url(/App_Image/Survey/u-cancel.png) no-repeat left center;
        }

        .page-win .form .btns {
            height: 38px;
            margin-bottom: 15px;
            color: #fff;
            font-size: 18px;
            line-height: 38px;
            letter-spacing: 2px;
            border-radius: 4px;
            box-shadow: 0 1px 4px 1px rgba(0,0,0,.2);
            background-color: #177ce3;
            background-repeat: repeat-x;
            background-image: -moz-linear-gradient(top,#29adeb,#177ce3);
            background-image: -webkit-linear-gradient(top,#29adeb,#177ce3);
            background-image: -o-linear-gradient(top,#29adeb,#177ce3);
            background-image: linear-gradient(top,#29adeb,#177ce3);
            cursor: pointer;
        }

            .page-win .form .btns span {
                display: inline-block;
                color: #fff;
                width: 100%;
                height: 100%;
            }

        .page-win .form .upwd + .layui-show {
            margin-top: -15px;
        }

    .page-win .info {
        height: 18px;
        font-size: 12px;
        text-align: left;
    }

        .page-win .info * {
            color: #696969;
            vertical-align: middle;
            cursor: pointer;
        }

    .page-win .bottom {
        position: absolute;
        left: 80px;
        right: 80px;
        bottom: 20px;
        color: #696969;
        font-size: 13px;
        text-align: center;
    }

    .page-win .support p {
        color: #fff;
        text-align: center;
        font-size: 15px;
        line-height: 26px;
    }

    .page-win .support {
        position: absolute;
        bottom: 60px;
        width: 100%;
    }

@media only screen and (max-height: 800px) {
    .page-win .support {
        position: absolute;
        bottom: 50px;
        width: 100%;
    }
}

@media only screen and (max-height: 700px) {
    .page-win .support {
        position: absolute;
        bottom: 25px;
        width: 100%;
    }
}

@media only screen and (max-height: 600px) {
    .page-win .support {
        position: absolute;
        bottom: 10px;
        width: 100%;
    }
}

@media only screen and (max-height: 500px) {
    .page-win .support {
        display: none;
    }
}