article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
    display: block;
}

audio,
canvas,
video {
    display: inline-block;
}

audio:not([controls]) {
    display: none;
    height: 0;
}

[hidden] {
    display: none;
}

html {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    font-family: 'ReadexPro-Light';
    height: 100%;
    background-color: #000;
}

body {
    margin: 0;
    padding: 0;
    height: 100%;
}

a:focus {
    outline: thin dotted;
}

a:active,
a:hover {
    outline: 0;
}

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

abbr[title] {
    border-bottom: 1px dotted;
}

b,
strong {
    font-weight: bold;
}

dfn {
    font-style: italic;
}

hr {
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    height: 0;
}

mark {
    background: #ff0;
    color: #000;
}

code,
kbd,
pre,
samp {
    font-size: 1em;
}

pre {
    white-space: pre-wrap;
}

q {
    quotes: "\201C" "\201D" "\2018" "\2019";
}

small {
    font-size: 80%;
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

img {
    border: 0;
}

svg:not(:root) {
    overflow: hidden;
}

figure {
    margin: 0;
}

fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

legend {
    border: 0;
    padding: 0;
}

button,
input,
select,
textarea {
    font-size: 100%;
    margin: 0;
}

button,
input {
    line-height: normal;
}

button,
select {
    text-transform: none;
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer;
}

button[disabled],
html input[disabled] {
    cursor: default;
}

input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box;
    padding: 0;
}

input[type="search"] {
    -webkit-appearance: textfield;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
}

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}

textarea {
    overflow: auto;
    vertical-align: top;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

@font-face {
    font-family: 'ReadexPro-Light';
    src: url("./ReadexPro-Light.ttf");
}
@font-face {
    font-family: 'ReadexPro-Bold';
    src: url("./ReadexPro-Bold.ttf");
}

.message {
    position: fixed;
    margin: 0 auto;
    left: 0;
    right: 0;
    top: 120px;
    width: 200px;
    border: 1px solid #FFF;
    color: #FFF;
    background: rgba(0,0,0,0.4);
    font-family: 'ReadexPro-Light';
    font-size: 16px;
    padding: 10px;
    border-radius: 10px;
    z-index: 1001;
    text-align: center;
    display: none;
}

.vidbacking-active-body-back {
    position: fixed;
    z-index: -100;
    min-width: 100%;
    min-height: 100%;
    top: 50%;
    left: 50%;
    background-size: cover;
    overflow: hidden;
    opacity: 1;
    transition: 2s opacity;
    transform: translateX(-50%) translateY(-50%);
    margin-top: -1px;
}

.vidbacking-active-block-back {
    position: absolute;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: auto;
    z-index: -100;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}

.vidbacking {
    display: none;
}
.vidbacking-m {
    display: none;
}
.vidmask-body-back {

    opacity: 0.4;
    min-height: 100%;
    min-width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -50;
    display: block;
}

.vidmask-block-back {

    opacity: 1;
    min-height: 100%;
    min-width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    height: auto;
    width: auto;
    z-index: -50;
    display: block;
}
.flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header {
    width: 100%;
    height: 100px;
    backdrop-filter: blur(5px);
    background: rgba(0,0,0,0.1);
    color: #FFF;
    display: flex;
    position: fixed;
    z-index: 9;
    top: 0;
}
.icon-box {
    display: flex;
    align-items: center;
    margin-left: 40px;
    font-size: 24px;
}
.logo {
 width: 50px;
 height: 50px;   
 margin-right: 8px;
}
.logo img {
    width: 100%
}
.logo2 {
    width: 213px;
    height: 50px;   
}
.menu-box{
    flex: 1;
    font-size: 24px;
    display: flex;
    align-items: center;
    margin-left: 120px;
}
.menu-item{
    margin-right: 100px;
    cursor: pointer;
}
.menu-box-m{
    display: none;
    position: fixed;
    top: 59px;
    width: 100%;
    backdrop-filter: blur(5px);
    background: rgba(0,0,0,0.3);
    color: #FFF;
}
.menu-item-m:hover{
    background: rgba(0,0,0,0.5);
}
.menu-item-m{
    padding: 20px;
    padding-left: 40px;
    cursor: pointer;
}
.launch-app-btn{
    width: 200px;
    min-width: 150px;
    margin: 25px;
    display: flex;
    font-size: 20px;
    background: rgba(0,0,0,0.4);
    border-radius: 100px;
    border: solid 1px #FFF;
    padding: 5px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.menu-item a {
    text-decoration: none;
    color: #FFF;
}
.launch-app-btn:hover{
    background: rgba(0,0,0,0.6);
}
.launch-app-btn:active{
    background: rgba(0,0,0,0.8);
}

.container{
    height: 100%;
    display: flex;
    align-content: center;
}
.content{
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
    
}
.metapace{
    color: #FFF;
    font-size: 128px;
    font-family: 'ReadexPro-Bold';
}
.introduce {
    color: #FFF;
    font-size: 32px;
    line-height: 40px;
}
.content-left {
    margin-left: 5%;
}
.content-right {
    margin-right: 5%;
}
.content-right .introduce {
    width: 500px;
    font-size: 50px;
    text-align: center;
}
.media {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-left: 50px;
    box-sizing: border-box;
    position: absolute;
    margin-top: 600px;
}
.media img{
    width: 50px;
    height: 50px;
    margin-right: 57px;
}
.menu-btn {
    display: none;
    display: flex;
    align-items: center;
    position: fixed;
    right: 0;
    top: 20px;
    padding: 22px;
}
.menu-btn:active {
    background: rgba(0,0,0,0.3);
}
.menu-btn img {
    width: 24.5px;
}
.container-m {
    display: none;
}
.container-m-b {
    position: fixed;
    bottom: 30px;
    width: 80%;
    margin-left: 10%;
}
@media screen and (max-width:1920px)  {
    .metapace {
        font-size: 90px;
    }
    .introduce {
        font-size: 28px;
    }
    .vidbacking-active-body-back {
        
        transform: translateX(-50%) translateY(-50%) scale(0.8);
    }
}
@media screen and (max-width:1720px)  {
    .metapace {
        font-size: 70px;
    }
    .introduce {
        font-size: 22px;
    }
    .content-right .introduce {
        width: 400px;
        font-size: 50px;
    }
    .vidbacking-active-body-back {
        transform: translateX(-50%) translateY(-50%) scale(0.8);
    }

}
@media screen and (max-width:1440px)  {
    .metapace {
        font-size: 50px;
    }
    .introduce {
        font-size: 18px;
    }
    .content-right .introduce {
        width: 400px;
        font-size: 30px;
    }
    .vidbacking-active-body-back {
        transform: translateX(-50%) translateY(-50%) scale(0.6);
    }
    .media {
        margin-top: 480px;
    }
    .media img{
        width: 45px;
        height: 45px;
        margin-right: 45px;
    }
}
@media screen and (max-width:1280px)  {
    
    .content-right .introduce {
        width: 300px;
        font-size: 25px;
    }
    
}
@media screen and (max-width:1150px)  {
    .menu-box {
        font-size: 18px;
    }
    .vidbacking-active-body-back {
        transform: translateX(-50%) translateY(-50%) scale(0.5);
    }
    .metapace {
        font-size: 32px;
    }
    .introduce {
        font-size: 16px;
    }
    .media {
        margin-top: 380px;
    }
    .media img {
        width: 40px;
        height: 40px;
        margin-right: 40px;
    }
}

@media screen and (max-width:1024px)  {
    .introduce {
        width: 250px;
    }
    .content-right .introduce {
        width: 200px;
    }
}
@media screen and (max-width:720px)  {
    .introduce {
        width: 80%;
        margin-left: 10%;
        margin-top: 20px;
    }
    .vidbacking-pc {
        display: none;
    }
    .vidbacking-m {
        display: block;
    }
    .header {
        height: 60px;
    }
    .icon-box {
        margin-left: 20px
    }
    .launch-app {
        display: none;
    }
    .launch-app-btn {
        width: 250px;
        padding: 14px;
        margin-top: 50px;
        color: #FFF;
    }
    .menu-box {
        display: none;
    }
    .menu-btn {
        display: flex;
        top: 0;
    }


    .media {
        text-align: center;
        margin-top: 50px;
        padding-left: 0;
    }
    .media img{
        width: 42px;
        height: 42px;
        margin-right: 0;
        padding: 0 27px;
    }
    .content {
        width: 100%;
        padding: 0;
    }

    .container {
        display: none;
    }
    .container-m {
        display: block;
    }
    .container-m .metapace {
        text-align: center;
        padding-top: 93px;
    }
    .container-m .media {
        position: relative;
        padding-top: 300px;
    }
    .container-m .introduce {
        font-size: 20px;
        line-height: 25px;
        text-align: center;
        font-family: 'ReadexPro-Bold';
    }
    .container-m .introduceTip {
        width: 80%;
        box-sizing: border-box;
        margin-left: 10%;
        font-size: 20px;
        padding: 20px;
        color: #FFF;
        text-align: center;
        
    }
    .container-m .launch-app-btn {
        margin: auto;
    }
    .vidbacking-active-body-back {
        
        transform: translateX(-50%) translateY(-50%) scale(0.4);
    }
    .message {
        top: 60px;
    }
}
@media screen and (min-width:721px)  {

    .menu-btn {
        display: none;
    }

}