html, body {
    margin: 0;
    padding: 0;
    border: 0;
}
.main {
    width: 100%;
    background: 0 0/cover no-repeat url(https://media.ucoofun.com/companysite/mask.png);
    height: 66vw;
}
#intro {
    padding-top: 7.8vw;
    padding-left: 10vw;
    width: 37.5vw;
}
#introHeader {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
#mainLogo {
    display: block;
    width: 15.8vw;
    height: 5.9vw;
    border-radius: 0px 0px 0px 0px;
}
#introHeaderActions {
    display: flex;
}
.introHeaderAction {
    background-color: #383838;
    color: white;
    height: 4vw;
    line-height: 4vw;
    font-size: 1.5vw;
    padding: 0 1.5vw;
    border-radius: 2vw;
    cursor: pointer;
    margin-left: 1vw;
}
#slogan {
    margin-top: 2.5vw;
    font-size: 3.75vw;
    color: #fff;
}
#desc {
    font-size: 1.45vw;
    color: #CCC;
    font-weight: 400;
    margin-top: 1vw;
}
#download {
    margin-top: 1.4vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.downloadBtn {
    width: 17.2vw;
    height: 4.68vw;
    border-radius: 2.34vw 2.34vw 2.34vw 2.34vw;
    opacity: 1;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
#iosDownload {
    background: #0066FF;
}
#androidDownload {
    background: #37B636;
}
.downloadIcon {
    width: 2.4vw;
    height: 2.4vw;
}
.downloadIconImg {
    display: block;
    width: 100%;
    height: 100%;
}
.downloadText {
    font-size: 1.25vw;
    color: white;
    margin-left: 0.6vw;
}


#sample {
    position: absolute;
    top: 11.67vw;
    right: 0;
    z-index: 10;
    width: 35.16vw;
    height: 54.4vw;
}

#sample img {
    display: block;
    width: 100%;
    height: 100%;
}

#footer {
    text-align: center;
    margin-top: 10.78vw;
    color: #aaa;
}
.footerRow {
    font-size: 1vw;
    height: 2vw;
    line-height: 2vw;
}
.footerSep {
    padding: 0 0.5vw;
}
.footerLink {
    color: #aaa;
    text-decoration: none; 
}
.footerBtn {
    display: flex;
    align-items: center;
    justify-content: center;
}
.footerBtnIcon {
    width: 1.2vw;
    height: 1.2vw;
}
.footerBtnIcon img {
    display: block;
    width: 100%;
    height: 100%;
}
.footerBtnText {
    margin-left: 0.2vw;
}