.first-section {
    padding-top: 80px;
    padding-bottom: 20px;
    background: #f5f5f5;
}
.qrcode-container-left {
    display: block;
    width: 70%;
    float: left;
    padding: 10px;
    box-sizing: border-box;
}

.qrcode-container-right {
    display: block;
    width: 30%;
    float: left;
    box-sizing: border-box;
    padding: 10px;
}

@media screen and (max-width: 980px){
    .qrcode-container-left {
        display: block;
        width: 60%;
        float: left;
        padding: 10px;
        box-sizing: border-box;
    }

    .qrcode-container-right {
        display: block;
        width: 40%;
        float: left;
        box-sizing: border-box;
        padding: 10px;
    }
}
.qrcode-container-left-textarea {
    display: block;
    box-sizing: border-box;
    padding: 30px;
    background: #FFFFFF;
}
.qrcode-container-left-textarea textarea{
    display: block;
    resize: none;
    width: 100%;
    min-height: 240px;
    border: 0;
    outline: none;
    font-size: 20px;
}
.qrcode-container-left-textarea textarea::placeholder{
    color: #666666;
}
.qrcode-container-right-qrcode-box {
display: block;
    background: #Ffffff;
    min-height: 300px;
    position: relative;
    text-align: center;
}
.qrcode-container-right-qrcode-box canvas{
    width: 250px;
    height: 250px;
    left: 50%;
    margin-left: -125px;
    top: 50%;
    margin-top: -125px;
    position: absolute;
    z-index: 2;
}
@media screen and (max-width: 730px){
    .qrcode-container-right-qrcode-box canvas{
        width: 90%;
        height: auto;
        position: relative;
        margin: 0;
        top: 0;
        left: 0;
    }
    .qrcode-container-left {
        display: block;
        width: 100%;
        float: left;
        padding: 10px;
        box-sizing: border-box;
    }

    .qrcode-container-right {
        display: block;
        width: 100%;
        float: left;
        box-sizing: border-box;
        padding: 10px;
    }
}
.qrcode-container-right-qrcode-box:after{
    content: "二维码生成处";
    display: block;
    width: 100%;
    line-height: 300px;
    text-align: center;
    position: absolute;
    color: #999;
}

.create-button {

    height: 40px;
    line-height: 40px;
    display: inline-block;
    font-size: 16px;
    text-align: center;
    border-radius: 2px;
    -webkit-transition: background-color .25s ease-out,color .25s ease-out;
    -moz-transition: background-color .25s ease-out,color .25s ease-out;
    transition: background-color .25s ease-out,color .25s ease-out;
    outline: 0;
    color: #fff;
    border: 1px solid #076bf2;
    background-color: #076bf2;
    margin: 30px 0 20px;
    width: 160px;
}
#create-sy-button{
    border: 1px solid #0a0e52;
    background-color: #0a0e52;
}
.download-button{

    height: 40px;
    line-height: 40px;

    font-size: 16px;
    text-align: center;
    border-radius: 2px;
    -webkit-transition: background-color .25s ease-out,color .25s ease-out;
    -moz-transition: background-color .25s ease-out,color .25s ease-out;
    transition: background-color .25s ease-out,color .25s ease-out;
    outline: 0;
    color: #fff;
    border: 1px solid #1f9456;
    background-color: #1f9456;
    margin: auto;
    width: 100%;
    display: none;
}
.error-message {
    color: red;
}

.info-tips {
    color: #666;
    text-align: center;
    font-size: 14px;
}
@media screen and (max-width: 730px){

    .first-section {
        padding-top: 60px;
        padding-bottom: 20px;
    }
    .info-tips {
        text-align: left;
        box-sizing: border-box;
        padding:  0 10px;
    }
}