@font-face {
    font-family: 'AlibabaPuHuiTi';
    src:  
        url('../fonts/AlibabaPuHuiTi-2-45-Light.woff') format('woff'),
        url('../fonts/AlibabaPuHuiTi-2-45-Light.woff2') format('woff2');
    font-weight: 200;
}

@font-face {
    font-family: 'AlibabaPuHuiTi';
    src:  
        url('../fonts/AlibabaPuHuiTi-2-85-Bold.woff') format('woff'),
        url('../fonts/AlibabaPuHuiTi-2-85-Bold.woff2') format('woff2');
    font-weight: bold;
}

@font-face {
    font-family: 'AlibabaPuHuiTi';
    src:  
        url('../fonts/AlibabaPuHuiTi-2-55-Regular.woff') format('woff'),
        url('../fonts/AlibabaPuHuiTi-2-55-Regular.woff2') format('woff2');
    font-weight: 400;
}

body {
    margin: 0;
    background: black;
    overflow: hidden;
    color: white;
    font-family: 'Helvetica Neue',Helvetica,Arial,'Microsoft Yahei','Hiragino Sans GB','Heiti SC','WenQuanYi Micro Hei',sans-serif;
    line-height: 1.5;
    font-weight: 200;
}

.alifont {
    font-family: 'AlibabaPuHuiTi','Helvetica Neue',Helvetica,Arial,'Microsoft Yahei','Hiragino Sans GB','Heiti SC','WenQuanYi Micro Hei',sans-serif;
}

p {
    margin: 0;
}

a:link,
a:visited,
a:hover,
a:active {
color: white; text-decoration: none;
}

.logo {
    position: absolute;
    width: 50%;
    max-width: 300px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, calc(-110% - 56px));
}

.logo img {
    max-width: 100%;
}

#about-us {
    position: absolute;
    bottom: 0;
    color: white;
    left: 0;
    right: 0;
    text-align: center;
}

#about-us p {
    margin: 16px auto;
    font-size: 12px;
    letter-spacing: 2px;
    max-width: 60%;
}

#main-surface {
}

#desc {
    position: absolute;
    z-index: 99;
    bottom: 20%;
    left: 32px;
    right: 32px;
    font-size: 13px;
    text-align: justify;
}

#desc p {
    margin: 8px auto;
    max-width: 500px;
}