.loginbg {
    background-image: url(loginbg.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    width: 100%;
    height: 100vh;
    position: relative;
}

body {
    margin: 0;
    padding: 0;
}

.logincon {
    display: flex;
    flex-direction: row;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.logincon .loginleft img {
    width: 100%;
    height: 100%;
}

.logincon .loginright {
    flex: 1;
}

.loginright .section {
    padding: 20px 0;
    border-bottom: 1px solid #EEEEEE;
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 20px;
}

.userforms {
    margin: 0 90px 0 60px;
}



.loginright .section input {
    border: none;
    outline: none;
    flex: 1
}

.codenum {
    font-size: 18px;
    color: #333;
    margin-right: 40px;
    letter-spacing: 8px;
    cursor: pointer;
}

.loginbtn {
    width: 90%;
    background-color: #4B91FF;
    border-radius: 30px;
    border: none;
    outline: none;
    color: #fff;
    margin-top: 20px;
    cursor: pointer;
}

/*>=1100的设备屏幕*/
@media screen and (min-width: 100px) and (max-width: 1279px) {
    .logincon {
        width: 750px;
        height:411px;
        background-color: #fff;
        border-radius: 8px;
    }

    .logincon .loginleft {
        width:422px;
        height: 100%;
    }
    .userforms {
        margin: 0 50px 0 30px;
    }
    .title {
        font-size: 16px;
        color: #111;
        margin-bottom: 25px;
        font-weight: bold;
    }

    .section .name {
        width: 18px;
        height: 19px;
        margin-right: 11px;
    }

    .section .pass {
        width: 18px;
        height: 19px;
        margin-right: 11px;
    }

    .section .code {
        width: 16px;
        height: 19px;
        margin-right: 11px;
    }

    .loginbtn {
        height: 33px;
        font-size: 12px;
    }

    .codenum {
        font-size: 14px;
    }
}

@media (min-width: 1280px) {
    body {
        font-size: 18px;
    }

    .logincon {
        width: 800px;
        height: 439px;
        background-color: #fff;
        border-radius: 10px;
    }

    .logincon .loginleft {
        width: 450px;
        height: 100%;
    }

    .title {
        font-size: 20px;
        color: #111;
        margin-bottom: 35px;
        font-weight: bold;
    }

    .section .name {
        width: 19px;
        height: 21px;
        margin-right: 13px;
    }

    .section .pass {
        width: 19px;
        height: 20px;
        margin-right: 13px;
    }

    .section .code {
        width: 17px;
        height: 20px;
        margin-right: 13px;
    }

    .loginbtn {
        height: 33px;
        font-size: 12px;
    }

    .codenum {
        font-size: 14px;
    }
}
/*>=1366的设备屏幕*/
@media (min-width: 1440px) {
    body {
        font-size: 24px;
    }

    .logincon {
        width: 900px;
        height: 494px;
        background-color: #fff;
        border-radius: 11px;
    }

    .logincon .loginleft {
        width: 506px;
        height: 100%;
    }

    .title {
        font-size: 20px;
        color: #111;
        margin-bottom: 35px;
        font-weight: bold;
    }

    .section .name {
        width: 22px;
        height: 23px;
        margin-right: 15px;
    }

    .section .pass {
        width: 21px;
        height: 23px;
        margin-right: 15px;
    }

    .section .code {
        width: 20px;
        height: 23px;
        margin-right: 15px;
    }

    .loginbtn {
        height: 38px;
        font-size: 14px;
    }

    .codenum {
        font-size: 16px;
    }
}

@media (min-width: 1680px) {
    body {
        font-size: 26px;
    }

    .logincon {
        width: 1050px;
        height: 576px;
        background-color: #fff;
        border-radius: 13px;
    }

    .logincon .loginleft {
        width: 590px;
        height: 100%;
    }

    .title {
        font-size: 23px;
        color: #111;
        margin-bottom: 45px;
        font-weight: bold;
    }

    .section .name {
        width: 25px;
        height: 27px;
        margin-right: 18px;
    }

    .section .pass {
        width: 25px;
        height: 26px;
        margin-right: 18px;
    }

    .section .code {
        width: 23px;
        height: 26px;
        margin-right: 18px;
    }

    .loginbtn {
        height: 50px;
        font-size: 18px;
    }
}

@media (min-width: 1900px) {
    body {
        font-size: 16px;
    }

    .logincon {
        width: 1200px;
        height: 658px;
        background-color: #fff;
        border-radius: 15px;
    }

    .logincon .loginleft {
        width: 675px;
        height: 100%;
    }

    .section .name {
        width: 29px;
        height: 31px;
        margin-right: 20px;
    }

    .section .pass {
        width: 28px;
        height: 30px;
        margin-right: 20px;
    }

    .section .code {
        width: 26px;
        height: 30px;
        margin-right: 20px;
    }

    .title {
        font-size: 26px;
        color: #111;
        margin-bottom: 54px;
        font-weight: bold;
    }

    .loginbtn {
        height: 50px;
        font-size: 18px;
    }
}