* {
    margin: 0;
    padding: 0;
}
body,html{
    overflow: hidden;
    font-size: 16px;
    color: white;
    height: 100%;
    width: 100%;
}
a {
    text-decoration: none;
    color: #000;
}
ul li {
    list-style: none;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.clearFixed:after {
    content: "";
    display: block;
    clear: both;
}
#bg-wrap{
    width: 400%;
    height: 100%;
    margin-left: 0;
    transition: 1s;
}
#bg-wrap.left{
    margin-left: -100%;
}
#wrap{
    float: left;
    position: relative;
    width: 25%;
    height: 100%;
    min-width: 600px;
    background: #023b3b url("../img/bg.png") center;
    perspective: 800px;
}
#box ul{
    position: absolute;
    left: 50%;
    top: 50%;
    width: 120px;
    height: 160px;
    margin-left: -60px;
    margin-top: -80px;
    transform-style: preserve-3d;
    transform: translateZ(-2000px) rotateX(0deg) rotateY(0deg);
}
#box ul li{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,127,127,0.5);
    border: 1px solid rgba(127,255,255,0.25);
    box-shadow: 0 0 12px rgba(0,255,255,0.5);
    transition: 3s cubic-bezier(.94,.02,.49,.98);
}
#box ul li .liTitle{
    font-weight: bold;
    height: 35px;
    text-align: center;
    line-height: 35px;
    font-size: 40px;
    margin: 40px auto 20px;
}
#box ul li .liAuthor,#box ul li .liTime{
    text-align: center;
    font-size: 20px;
    font-family: "Times New Roman", serif;
    margin: 15px auto 0;
}
#box ul li .liTime{
    margin: 8px auto 0;
}
#tab{
    overflow: hidden;
    position: absolute;
    left: 10px;
    bottom: 20px;
    width: 280px;
}
#tab ul{
    height: inherit;
    width: inherit;
}
#tab ul li{
    float: left;
    height: 30px;
    text-align: center;
    line-height: 30px;
    border: 1px solid rgba(127,255,255,1);
    color: rgba(127,255,255,1);
    cursor: pointer;
    border-radius: 3px;
    padding: 0 5px;
    margin: 0 5px;
}
#tab ul li:hover{
    background: rgba(127,255,255,.4);
}
#alert{
    display: none;
    position: absolute;
    left: 10%;
    top: 10%;
    width: 80%;
    height: 80%;
    background: rgba(0,127,127,0.5);
    border: 1px solid rgba(127,255,255,0.25);
    box-shadow: 0 0 12px rgba(0,255,255,0.5);
    transform: rotateY(0deg) scale(2);
    opacity: 1;
    transform-style: preserve-3d;
    /** 注意：
     *    1、边距的参照物是宽度 写边距百分比时 --> 参照的是水平宽度
     *
     */
}
#alert .title,#alert .img,#alert .info,#alert .author {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(127, 255, 255, 0.25);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.5);
    border-radius: 3px;
}
#alert .title{
    position: absolute;
    left: 25%;
    top: 10%;
    width: 50%;
    height: 15%;
}
#alert .title span,#alert .author span{
    position: absolute;
    top: 50%;
    width: 100%;
    font-weight: bold;
    text-align: center;
    transform: translateY(-50%);
}
#alert .title span{
    font-size: 30px;
}
#alert .img{
    overflow: hidden;
    position: absolute;
    top: 35%;
    left: 5%;
    width: 50%;
    height: 50%;
}
#alert .img img{
    width: 100%;
    height: auto;
}
#alert .info{
    position: absolute;
    top: 35%;
    right: 5%;
    width: 35%;
    height: 35%;
}
#alert .info span{
    position: absolute;
    top: 5%;
    padding: 15px;
}
#alert .author{
    position: absolute;
    right: 5%;
    bottom: 15%;
    width: 35%;
    height: 10%;
}
#alert .author span{
    font-size: 20px;
}
#iFrame{
    width: 25%;
    height: 100%;
    border: none;
}
#back{
    position: absolute;
    right: -80px;
    bottom: 20px;
    height: 30px;
    width: 50px;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
    border: 1px solid rgba(127,255,255,1);
    color: rgba(127,255,255,1);
    border-radius: 3px;
}
#back:hover{
    background: rgba(0,127,127,0.8);
}