body{
    margin: 0;
    padding: 0;
    background: #000;
}
a{
    text-decoration: none;
}
a:hover{
    text-decoration: none;
}

 ul, li {
    list-style: none;
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'astera';
    src: url('../fonts/astera.ttf');
}
body{
    margin: 0;
    padding: 0;
    background: #000;
    width: 100%;
}

.logo {
    width: 70%;
    margin: 1rem 15% 0 15%; 
}

.logo img {
    width: 100%;
}

.video {
    width: 100vw;
    height: 56.25vw;
    margin-top: 1rem;
}

.video video {
    width: 100%;
    height: 100%;
}

.nav {
    margin-top:1.5rem;
    font-family: 'astera';
    font-size: 1rem;
    line-height: 1.5rem;
    color: #fff;
    text-align: center;
}

.nav a {
    color: #fff;
}

.nav ul {
    width: 50%;
    margin-left: 25%;
}

.nav li {
    width: 100%;
    border-bottom: #fff 1px solid;
    margin: 0.5rem 0 0 0;
    padding: 0;
}

.play {
    margin: 1rem 38% 0 38%;
    width: 24%;
}

.play img {
    width: 100%;
}

.socials {
    margin-top: 1rem;
}


.socials .title {
    width: 90%;
    margin-left: 5%;
    color: #fff;
    font-size: 0.8rem;
    text-align: center;
    line-height: 1.6rem;
    border-top: #fff 1px solid;
}

.socials .icons {
    width: 40%;
    margin-top: 0.5rem;
    margin-left: 30%;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.socials .icons li {
    flex-grow:1;
}

.socials .icons li img {
    width: 70%;
    margin-left: 15%; 
}

.loose-cannon {
    margin: 1rem 30% 0 30%;
    width: 40%;
}

.loose-cannon img {
    width: 100%;
}

.copyright {
    margin-top: 1rem;
    color: #fff;
    font-size: 0.8rem;
    text-align: center;
    line-height: 1.6rem;
}

.window {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0; /*109.2 + 8*/
    flex-direction: column;
    background-color: #000;
    z-index: 999;
    overflow: hidden;
}

.window .top-bar {
    margin-top: 2rem; 
    height: 8vw;
}

.window .arrow-down {
    width: 16%;
    margin-left:42%;
}


.window .left-menu {
    display: none;
}

.window .right-bar {
    display: none;
}

.window .window-wraper {
    flex-basis: 0;
    flex-grow: 10;
    background-image: url(../img/window-bg.jpg);
    background-size: 100% auto;
    background-repeat: no-repeat;
    color: #000;
    display: flex;
    flex-direction: row;
    align-items:stretch;
}

.window .window-wraper .item {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.window .window-wraper .title {
    font-family: 'astera';
    font-size: 1.2rem;
    line-height: 2rem;
    text-align: right;
    height: 3rem;
    padding: 1.5rem 1rem 0 0;
}

.window .window-wraper .title2 {
    font-family: 'astera';
    font-size: 1.0rem;
    line-height: 2rem;
    height: 2rem;
    text-align: center;
}

.window .window-wraper .content {
    color: #000;
    font-size: 0.8rem;
    line-height: 1.2rem;
    padding: 0 2rem;
    flex-basis: 0;
    flex-grow: 1;
}

.window .window-wraper .team {
    font-family: 'astera';
    font-size: 1rem;
    text-align: center;
}

.window .window-wraper .team li {
    line-height: 1.8rem;
    height: 1.8rem;
}

.window .window-wraper .team img {
    width: 1.6rem;
}

.window .window-wraper .map {
    padding: 0 1rem;
}

.window .window-wraper .swiper-container {
    margin-top: 0.5rem; 
    position: relative;
    width: 100%;
    height: 70%;
}

.window .window-wraper .map p {
    margin: 0;
    padding: 1rem 0;
    font-size: 1rem;
    line-height: 1rem;
    text-align: center;
    font-family: 'astera';
}

.window .window-wraper .map img{
    width: 100%;
}

.window .window-wraper .about {
    margin-top: 1rem; 
}

.window .window-wraper .download {
    font-family: 'astera';
    text-align: center;
}

.window .window-wraper .download .platform {
    margin-top: 1rem;
    font-size: 1.5rem;
}

.window .window-wraper .download img {
    width: 70%;
}

.window .window-wraper .download .desc {
    margin-top: 1rem;
    font-size: 1.3rem;
    line-height: 2rem;
}

.window .window-wraper .content a {
    color: #00acef;
}

.window2 {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left : 0;
    background: #000;
    z-index: 999;
}

.window2 .top-bar {
    background: #000;
    margin-top: 30%;;
    margin-bottom:1rem; 
}

.window2 .arrow-down {
    width: 16%;
    margin-left:42%;
}


.window2 .video {
    margin: 0;
    width: 100vw;
    height: 56.25vw;
}



@media only screen  and (max-width: 500px) {

}

@media screen and (orientation: portrait) {
  /*竖屏 css*/
} 
@media screen and (orientation: landscape) {
    .logo {
        width: 30%;
        margin: 1rem 35% 0 35%; 
    }
    .window {
        flex-direction: row;
    }

    .window .top-bar {
        display: none;
    }

    .window .left-menu {
        display: block;
        flex-basis: 0;
        flex-grow: 45;
    }

    .window .left-menu ul {
        width: 70%;
        margin-left: 15%;
    }

    .window .window-wraper {
        flex-basis: auto;
        flex-grow: 0;
        width: 109vh;
        height: 100%;
        overflow: hidden;
    }

    .window .window-wraper .content {
        overflow-x: hidden;
        overflow-y: scroll;
    }

    .window .right-bar {
        flex-grow: 0;
        width: 2rem;
        display: flex;
        flex-direction: row;
        align-items: center;
        
    }

    .window .right-bar .arrow-left {
        width: 80%;
    }

    .menu-logo {
        width: 70%;
        margin:1rem 15% 0.5rem 15%; 
    }

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

    .menu-nav li {
        margin-top: 1rem; 
        font-size: 0.9rem;
    }


    .window2 .top-bar {
        margin-top: 0.5rem;
        margin-bottom: 0; 
    }

    .window2 .arrow-down {
        width: 8%;
        margin-left:46%;
    }

    .window2 .video {
        margin: 0;
        width: 80vw;
        height: 45vw;
        margin-left:10vw;
    }

}