body {
     background: #363B48;
     font-family: Montserrat;
     overflow:hidden;

 }
#bg{
    z-index: -9999;
    position: fixed;
    top:0;
    right: 0;
    width: 100%;
    height: 100%;
    background:url("https://cn.bing.com/th?id=OHR.LightHouseNS_ZH-CN9060766128_1920x1080.jpg") no-repeat;
    background-size: cover;
}
h2 {
    margin:150px auto 50px;
    text-align:center;
    font-size:18px;
    text-transform:uppercase;
    background:#2e333f;
    padding:25px;
    display:block;
    cursor:default;
    width:370px;
    color:#cacaca;
    border:1px solid rgba(173, 173, 173, 0.15);
}

.metro {
    width: 630px;
    margin: 0 auto 0;
}


.metro li {
    -webkit-transform: perspective(600px);
    -webkit-transform-style: preserve-3d;
    -webkit-transform-origin-x: 50%;
    -webkit-transform-origin-y: 50%;
    -ms-transform: perspective(600px);
    -ms-transform-style: preserve-3d;
    -ms-transform-origin-x: 50%;
    -ms-transform-origin-y: 50%;
    transform: perspective(600px);
    transform-style: preserve-3d;
    transform-origin-x: 50%;
    transform-origin-y: 50%;
    cursor: default;
    position: relative;
    text-align: center;
    margin: 0 10px 10px 0;
    width: 150px;
    height: 150px;
    color: #ffffff;
    float: left;
    -webkit-transition: .2s -webkit-transform, 1s opacity;
    -ms-transition: .2s -ms-transform, 1s opacity;
    transition: .2s transform, 1s opacity;
    cursor:pointer;
}

.metro li i {
    font-size: 25px;
    margin: 50px 0 0;
}

.metro li a {
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    position: absolute;
    left: 15px;
    bottom: 15px;
    font-size: 14px;
}

.metro li:first-child {
    background: #00b6de;
}

.metro li:nth-child(2) {
    background: #56dea7;
    width: 310px;
}

.metro li:nth-child(3) {
    background: #ff7659;
    margin: 0;
}

.metro li:nth-child(4) {
    background: #f8cd36;
}

.metro li:nth-child(5) {
    background: #f26175;
}

.metro li:nth-child(6) {
    background: #5ca7df;
}

.metro li:last-child {
    background: #9e7ac2;
    margin: 0;
}

.metro li:nth-child(5):active, .metro li:first-child:active {
    -webkit-transform: scale(0.95);
    -ms-transform: scale(0.95);
    transform: scale(0.95);
}

.metro li:nth-child(7):active, .metro li:nth-child(2):active {
    -webkit-transform: perspective(600px) rotate3d(1, 0, 0, -10deg);
    -ms-transform: perspective(600px) rotate3d(1, 0, 0, -10deg);
    transform: perspective(600px) rotate3d(1, 0, 0, -10deg);
}

.metro li:nth-child(3):active {
    -webkit-transform: perspective(600px) rotate3d(0, 1, 0, 10deg);
    -ms-transform: perspective(600px) rotate3d(0, 1, 0, 10deg);
    transform: perspective(600px) rotate3d(0, 1, 0, 10deg);
}

.metro li:nth-child(4):active {
    -webkit-transform: perspective(600px) rotate3d(0, 1, 0, -10deg);
    -ms-transform: perspective(600px) rotate3d(0, 1, 0, -10deg);
    transform: perspective(600px) rotate3d(0, 1, 0, -10deg);
}

.metro li:nth-child(6):active {
    -webkit-transform: perspective(600px) rotate3d(1, 0, 0, 10deg);
    -ms-transform: perspective(600px) rotate3d(1, 0, 0, 10deg);
    transform: perspective(600px) rotate3d(1, 0, 0, 10deg);
}

/* POPUP */

.box {
    display: table;
    top: 0;
    visibility: hidden;
    -webkit-transform: perspective(1200px) rotateY(180deg) scale(0.1);
    -ms-transform: perspective(1200px) rotateY(180deg) scale(0.1);
    transform: perspective(1200px) rotateY(180deg) scale(0.1);
    top: 0;
    left: 0;
    z-index: -1;
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: 1s all;
}

.box p {
    display: table-cell;
    vertical-align: middle;
    font-size: 64px;
    color: #ffffff;
    text-align: center;
    margin: 0;
    opacity: 0;
    transition: .2s;
    -webkit-transition-delay: 0.2s;
    -ms-transition-delay: 0.2s;
    transition-delay: 0.2s;
}

.box p i {
    font-size: 128px;
    margin:0 0 20px;
    display:block;
}

.box .close {
    display:block;
    cursor:pointer;
    border:3px solid rgba(255, 255, 255, 1);
    border-radius:50%;
    position:absolute;
    top:50px;
    right:50px;
    width:50px;
    height:50px;
    -webkit-transform:rotate(45deg);
    -ms-transform:rotate(45deg)
    transform:rotate(45deg);
    transition: .2s;
    -webkit-transition-delay: 0.2s;
    -ms-transition-delay: 0.2s;
    transition-delay: 0.2s;
    opacity:0;
}

.box .close:active {
    top:51px;
}

.box .close::before {
    content: "";
    display: block;
    position: absolute;
    background-color: rgba(255, 255, 255, 1);
    width: 80%;
    height: 6%;
    left: 10%;
    top: 47%;
}

.box .close::after {
    content: "";
    display: block;
    position: absolute;
    background-color: rgba(255, 255, 255, 1);
    width: 6%;
    height: 80%;
    left: 47%;
    top: 10%;
}

.box.open {
    left: 0;
    top: 0;
    visibility: visible;
    opacity: 1;
    z-index: 999;
    -webkit-transform: perspective(1200px) rotateY(0deg) scale(1);
    -ms-transform: perspective(1200px) rotateY(0deg) scale(1);
    transform: perspective(1200px) rotateY(0deg) scale(1);
    width: 100%;
    height: 100%;
}

.box.open .close, .box.open p {
    opacity: 1;
}
.footer{text-align:center;margin:10px 0; font:normal 14px/24px 'MicroSoft YaHei';color:#ffffff;margin-top: 100px;display: none}
.footer div a{font-size: 25px;display: block;line-height: 30px;color: whitesmoke;width: 300px;margin: 0 auto}
.footer div a:hover{color: #2fa0ec;opacity: 0.8}

@media(max-width: 700px)  {
    .metro{width: 400px}
    .metro{display: none}
  .footer{display: block}
  
}