*{
    padding: 0;margin: 0;
}
html,body{
    font-family:"Microsoft YaHei",sans-serif;color: #333;font-size: 14px;
}
li{
    list-style: none;
}
a{
    text-decoration: none;color: #666;
}

/**************/
.box {
    width: 580px;
    height: 450px;
    margin: 20px auto;
}
.all {
    width: 550px;
    height: auto;
    overflow: hidden;
}
.top-img {
    width: 550px;
    height: auto;
    font-size: 0;
    position: relative;
}
.activeimg {
    overflow: hidden;
    height: 330px;
    position: relative;
}
.top-img .activeimg img {
    width: 550px;
    height: 330px;
}
.bot-img {
    height: 90px;
    width: 550px;
    margin-top: 25px;
}
.bot-img ul{
    width: 100%;height: 100px;
}
.bot-img ul li {
    width: 100px;
    margin-right: 10px;
    float: left;
    border: 1px solid #fff;
    cursor: pointer;
    font-size: 0;
}
.bot-img ul li.active{
    border: 1px solid #ff6600;
}
.bot-img ul li img{
    width: 100%;
}
.bot-img ul li:last-child{
    margin-right: 0;
}