* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    min-width: 1100px;
    min-height: 700px;
}

.he {
    width: 100%;
    height: 100%;
    text-align: center;
    background: url(../img/bg.jpg) no-repeat center;
    background-size: 100% 100%;
    overflow: hidden;
}

.tou {
    width: 4.375rem;
    line-height: 2.625rem;
    padding: 0 1.25rem;
    display: flex;
    justify-content: space-between;
    background: rgba(255,255,255,80%);
    border-radius: 10px;
    float: right;
    margin-top: 1.25rem;
    margin-right: 1.25rem;
    -moz-box-shadow: 2px 2px 5px #333333;
    -webkit-box-shadow: 2px 2px 5px #333333;
    box-shadow: 2px 2px 5px #333333;
    cursor: pointer;
}

    .tou > .user {
        width: 1.5rem;
        height: 1.5rem;
        background-image: url(../img/64-64.png);
        background-size: 300%;
        background-position: -1.5rem 0rem;
        margin: 0.625rem 0;
    }

    .tou > .text {
        font-size: 1.25rem;
        color: #333;
    }

.middle {
    display: none;
    width: 33.75rem;
    padding-top: 1rem;
    height: 0;
    overflow: hidden;
    background: #fff;
    position: fixed;
    left: 50%;
    bottom: 0px;
    border-radius: 4px;
    transform: translate(-50%, -50%);
    -moz-box-shadow: 2px 2px 5px #333333;
    -webkit-box-shadow: 2px 2px 5px #333333;
    box-shadow: 2px 2px 5px #333333;
}

.retreat {
    margin: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
    background-image: url(../img/64-64.png);
    background-size: 250%;
    background-position: 0.3125rem 0.25rem;
    position: absolute;
    top: 0;
    right: 0;
    cursor: pointer;
}

.middle_text {
}

.middle_code {
    position: relative;
}

    .middle_code > p {
        width: 2.5rem;
        height: 2.5rem;
        background-image: url(../img/64-64.png);
        background-size: 250%;
        position: absolute;
        left: 5.3125rem;
        top: 0.125rem;
    }

    .middle_code > .inpO {
        background-position: -1.75rem -1.875rem;
    }

    .middle_code > .inpT {
        background-position: 0.3125rem -1.875rem;
    }

    .middle_code > input {
        width: 20rem;
        height: 2.875rem;
        background: #f7f7f7;
        border: none;
        outline: none;
        border-radius: 0.3125rem;
        margin: 0 0 1.125rem 0;
        padding-left: 5rem;
        letter-spacing: 0.1875rem;
        font-size: 1.125rem;
    }

::-webkit-input-placeholder { /* WebKit, Blink, Edge */
    color: #999;
}

:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color: #999;
}

::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: #999;
}

:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #999;
}

.middle_mi {
    text-align: left;
    position: relative;
}

    .middle_mi > .middle_dian {
        width: 1.25rem;
        height: 1.25rem;
        border-radius: 0.125rem;
        margin-left: 4.6875rem;
        border: 0.0625rem solid #2c98f0;
    }

.middle_Text {
    background: #2c98f0;
}

.middle_mi > span {
    position: absolute;
    top: 0;
    left: 6.875rem;
    letter-spacing: 0.1875rem;
}

button {
    width: 25rem;
    height: 2.875rem;
    border: none;
    background: #2C98F0;
    border-radius: 0.1875rem;
    margin: 1.25rem 0 3.75rem 0;
    color: #fff;
    letter-spacing: 0.1875rem;
    font-size: 1.125rem;
    cursor: pointer;
}

i {
    color: #fff;
    margin-left: 0.125rem;
}