body{
    background-color: #eeeff5;
}
.download-bk{
    width: 100%;
    height: 160px;
    padding-top:20px;
}
.download-qr-title {
    margin-bottom: 10px;
    font-size: 20px;
    color: #75b4cc;
    margin-left: 10%;
    padding-top: 20px;
}
.download-iPhone,.download-android,.download-window,.download-mac,.download-linux{
    float: left;
    display: block;
    margin-left: 20px;
    width: 140px;
    height: 160px;
    border: 1px solid#75b4cc;
    overflow: hidden;
    color: #75b4cc;
    border-radius: 5px;
}
.download-bk > :first-child {
    margin-left: 10%;
}
.iPhone-logo,.android-logo,.win-logo,.mac-logo,.linux-logo{
    width: 140px;
    height: 160px;
    background-size: cover;
}
.iPhone-logo{
    background-image: url("../images/iphone.png?201804242040");
}
.android-logo{
    background-image: url("../images/android.png?201804242040");
}
.win-logo{
    background-image: url("../images/win.png?201804242040");
}
.mac-logo{
    background-image: url("../images/mac.png?201809031544");
}
.linux-logo{
    background-image: url("../images/linux.png?202308121400");
}
.download-iPhone:hover .iPhone-logo,.download-android:hover .android-logo,.download-window:hover .win-logo,.download-mac:hover .mac-logo,.download-linux:hover .linux-logo{
    display: none;
}
.download-iPhone:hover .ecode-iPhone,.download-android:hover .ecode-android,.download-window:hover .ecode-win,.download-mac:hover .ecode-mac,.download-linux:hover .ecode-linux{
    width:120px;
    height: 120px;
    background-size: cover;
    margin: 10px;
}
.download-window .ecode-win {
    /* display: none; */
    visibility: hidden;
}
.download-window:hover .ecode-win {
    /* display: block; */
    visibility: visible;
    text-align: center;
}
.download-window:hover .ecode-win .new-version{
    display: inline-block;
    width: 90px;
    height: 30px;
    line-height: 30px;
    background-color: #3cbaff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    color: #fff;
    margin: 20px 0;
}
.download-window:hover .ecode-win p{
    margin-top: 10px;
    color: #313436;
    font-size: 12px;
}
.download-window:hover .ecode-win p .old-version{
    color: #3cbaff;
    text-decoration: underline;
}
/* .download-iPhone:hover .ecode-iPhone,.download-android:hover .ecode-android{
    background-image: url("../images/download.png");
} */
.download-window:hover .ecode-win-old{
    width:120px;
    height: 120px;
    background-size: cover;
    margin: 10px;
    border: none;
    background-image: url("../images/download-win.png?201804242040")
}
.download-mac:hover .ecode-mac{
    border: none;
    background-image: url("../images/download-win.png?201809031544")
}
.download-linux:hover .ecode-linux{
    border: none;
    background-image: url("../images/download-win.png?202308121400")
}
.download-iPhone:hover .ecode-intro,.download-android:hover .ecode-intro,.download-window:hover .ecode-intro,.download-mac:hover .ecode-intro,.download-linux:hover .ecode-intro{
    width: 140px;
    height: 20px;
    font-size: 14px;
    text-align: center;
    color: #75b4cc;
}
.download-introduce{
    width: 100%;
    padding-top: 50px;
    margin-left: 10%;
    color: #666;
    font-size: 14px;
}
/* .download-intro-title{
    width: 100%;
    color: #666;
    font-size: 20px;
} */
/* .download-intro-content{
    margin-top: 20px;
    color: #666;
    font-size: 14px;
} */
/* .intro-content-step1,.intro-content-step2,.intro-content-step3{
    margin-top: 20px;
    color: #768893;
    font-size: 12px;
}
.intro-content-step2,.intro-content-step3{
    margin-top: 15px;
} */