* {
    padding: 0;
    margin: 0
}

.short-cut {
    background: #f5f5f5
}

.header-wrap {
    background: #FFF;
    height: 72px
}

.header-wrap .head {
    width: 1190px;
    margin: 0 auto
}

.head i {
    display: inline-block;
    background: url("../../images/pic_logo_bottom.png") no-repeat;
    background-size: contain;
    width: 211px;
    height: 49px;
    margin-left: 10px;
    margin-top: 10px
}

.container {
    margin: 0 auto;
    position: relative
}

.container ul {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative
}

.container ul li {
    opacity: 0;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background-size: 100% 120%
}

.container ul li:nth-child(1) {
    background-image: url(../../images/images/guidebg1.gif)
}

.container ul li:nth-child(2) {
    background-image: url(../../images/images/guidebg2.gif)
}

.container ul li:nth-child(3) {
    background-image: url(../../images/images/guidebg3_02.gif)
}

.container ul li:nth-child(4) {
    background-image: url(../../images/images/guidebg4.gif)
}

.container ul li .two-dimen {
    position: absolute;
    left: 60%;
    top: 28%;
    z-index: 2
}

.container ul li .a-l {
    display: inline-block;
    width: 221px;
    height: 284px;
    background-image: url(../../images/images/andorid.png);
    position: relative
}

.container ul li .a-r {
    width: 221px;
    height: 284px;
    display: inline-block;
    background-image: url(../../images/images/ios.png);
    position: relative
}

.container ul li .a-l img, .container ul li .a-r img {
    position: absolute;
    left: 53px;
    top: 53px;
    width: 115px;
    height: 115px
}

.container .btn {
    position: absolute;
    left: 50%;
    bottom: 60px;
    margin-left: -45px;
    z-index: 10
}

.btn span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 8px;
    border: 1px solid #FFF;
    margin-right: 10px;
    cursor: pointer
}

.btn .on {
    background-color: #FFF
}