html,body{margin:0; padding:0;  width:100%; height: 100%; overflow: hidden;}
body{
    -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;
    font:normal 16px/1.6em "Helvetica Neue",Tahoma,Arial,"PingFang SC","Hiragino Sans GB","Microsoft Yahei",sans-serif;
    color:#333; background-color: #fff;
    position: relative;
}
ul,ol,li,em,p,span,h1,h2,h3{margin:0; padding:0; font-weight:normal; list-style:none; font-style:normal}
a {text-decoration: none;}
.hide {display: none !important;}

/*loading page*/
.loadpage{position:fixed; width:100%; height:100%; left:0; top:0;
    background-color:#1c87d3; z-index:100;
}
.loader {
    position: absolute; left: 50%; top: 40%;
    width: 50px; height: 50px; margin-left: -25px;
    text-align: center;
    background:transparent url("loading.png") no-repeat left top;
    background-size: 100%;
    animation: rolling 1s infinite linear;
    -webkit-animation: rolling 1s infinite linear;
}

@-webkit-keyframes rolling{
    to {-webkit-transform: rotateZ(-360deg);}
}
@keyframes rolling{
    to {transform: rotateZ(-360deg);}
}


/* active-info */
.bgmwrap{
    position: fixed; left:15px; top:15px; width:30px; height: 30px; z-index: 99;
    opacity: 0.8;
}
.bgmwrap .btns {font-size: 0;}
.bgmwrap a {
  display: none;
  width:30px; height: 30px; overflow: hidden;
  background: transparent url(icon-play.png) 0 0 no-repeat;
  background-size: 100%;
  vertical-align: top;
}
#btnMute {background-position: 0 bottom;}
.bgmwrap .active {display: inline-block;}

/*container box*/
.container{
    position: relative;
}
.cover {
    position: relative; z-index: 10;
    background: transparent url("../img/cover.jpg") no-repeat center top;
    background-size: cover;
    height: 100vh;
}
.cover .ct,
.cover .ct2 {
    position: absolute; width: 100%; height: 100%; left: 0; top: 0; z-index: 1;
    opacity: 0;
}
.cover .ct {
    background: transparent url("../img/ct.png") no-repeat center top;
    background-size: 100% auto;
    transform: translateY(30px);
}
.cover .ct2 {
    background: transparent url("../img/ct2.png") no-repeat center top;
    background-size: 100% auto;
    transform: translateY(10px);
}
.cover.active .ct,
.cover.active .ct2 {
    opacity: 1;
    transform: translateY(0);
    transition: transform 1s, opacity 1s;
}
.cover.active .ct2 {transition-delay: 0.6s; transition-duration: 2s;}
.btn-enter {
    position: absolute; width: 40px; height: 40px; left: 50%; bottom: 5%; z-index: 2;
    margin-left: -20px;
    background: transparent url("icon-down.png") no-repeat center center;
    background-size: 30px;
    animation: downup 2s linear infinite;
}

.cover .logo {
    position: absolute; width: 70px; left: 50%; top: 20px; z-index: 1;
    margin-left: -35px;
}

.menupage {
    position: absolute; width: 100%; height: 100%; left: 0; top: 0; z-index: 11;
    background: transparent url("../img/bgm.jpg") no-repeat center top;
    background-size: cover;
    height: 100vh;
    display:flex;
    flex-direction: column;
    justify-content:center;
    align-items:center;
    transform: translateY(100%);
    font-size: 0;
    transition: transform 1s, opacity 1s;
}
.menupage.active {
    opacity: 1;
    transform: translateY(0);
}
.menupage .item {
    width: 100%;
    height: 7.2vh;
    margin-bottom: 20px;
    box-sizing: border-box;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: transform 1s, opacity 1s;
    animation: zoomloopSmall 3s infinite;
    cursor: pointer;
}
.menupage.active .item {
    opacity: 1;
    transform: translateY(0);
}
.menupage.active .item:nth-child(2) {transition-delay: 0.3s; animation-delay: 1.5s;}
.menupage.active .item:nth-child(3) {transition-delay: 0.6s;}
.menupage.active .item:nth-child(4) {transition-delay: 0.9s; animation-delay: 1.5s;}
.menupage.active .item:nth-child(5) {transition-delay: 1.2s;}
.menupage.active .item:nth-child(6) {transition-delay: 1.5s; animation-delay: 1.5s;}
.menupage.active .item:nth-child(7) {transition-delay: 1.8s;}
.menupage.active .item:nth-child(8) {transition-delay: 2.1s; animation-delay: 1.5s;}
.menupage.active .item:nth-child(9) {transition-delay: 2.4s;}

.menupage .item img {
    width: auto;
    height: 100%;
}

.tips-click {
    position: absolute; width: 60px; height: 80px; right: 10%; top: 22%; z-index: 1;
    background: transparent url("../img/tips-click.png") no-repeat left top;
    background-size: 100% auto;
    animation: zoomloop 2s infinite linear;
}

.cpage {
    position: absolute; width: 100%; left: 0; top: 0; z-index: 12;
    background: #1386d6 none no-repeat center top;
    background-size: cover;
    height: 100vh;
    opacity: 0;
    transform: translateX(100%);
}
.cpage.active {
    opacity: 1;
    transform: translateX(0);
    transition: transform 0.3s, opacity 1s 0.3s;
}

.btn-back {
    position: absolute; width: 40px; height: 40px; right: 15px; top: 15px; z-index: 1;
    background: transparent url("icon-back.png") no-repeat center center;
    background-size: 30px;
    text-align: center; line-height: 40px;
    font-size: 16px;
    opacity: 0;
    cursor: pointer;
}
.cpage.active .btn-back {
    opacity: 1;
    transition:opacity 1s 1s;
}

.cpage > div {
    width: 100%; height: 100%; position: relative;
    display: none;
    background-color: yellow;
}
.cpage > div.active {
    display: block;
}
.cpage > div a {
    background: transparent url("../img/btn-link.png") no-repeat center top;
    background-size: 100% auto;
    position: absolute; width: 160px; height: 48px; left: 50%; bottom: 7%; z-index: 1;
    text-align: center; line-height: 48px;
    margin-left: -80px;
    animation: zoomloop 3s infinite;
}

#c1 {
    background: transparent url("../img/c1.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c2 {
    background: transparent url("../img/c2.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c3 {
    background: transparent url("../img/c3.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c4 {
    background: transparent url("../img/c4.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c5 {
    background: transparent url("../img/c5.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c6 {
    background: transparent url("../img/c6.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c7 {
    background: transparent url("../img/c7.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c8 {
    background: transparent url("../img/c8.jpg") no-repeat center top;
    background-size: 100% auto;
}
#c9 {
    background: transparent url("../img/c9.jpg") no-repeat center top;
    background-size: 100% auto;
}


@keyframes downup{
    0%{transform: translateY(0);}
    50%{transform: translateY(5px);}
    100%{transform: translateY(0);}
}

@keyframes zoomloop{
    0%{transform: scale(1,1);}
    50%{transform: scale(1.1,1.1);}
    100%{transform: scale(1,1);}
}
@keyframes zoomloopSmall{
    0%{transform: scale(1,1);}
    50%{transform: scale(1.02,1.02);}
    100%{transform: scale(1,1);}
}

@media (min-width: 992px){
    .container {
        margin: 0 auto;
        width:56vh;
    }
}