.wrap {
    overflow:hidden;
    width:1000px;
    margin:0px auto;
}

#slide_main ul {
    overflow:hidden;
    position:relative;
    float:left;
    margin:0;
    padding:0;
    width:420px;
    height:249px;
}

#slide_main li {
    list-style:none;
    position:absolute;
    top:0;
    left:0;
}

#slide_main img {
    width:420px;
    vertical-align:bottom;
}

#slide_main span {
    box-sizing:border-box;
    width:100%;
    display:block;
    position:absolute;
    left:0;
    bottom:0;
    padding:10px;
    color:#fff;
    background-color: rgba(0, 0, 0, 0.6);
}

#slide_sub {
    position:relative;
    float:right;
    margin:0;
    padding:0;
    list-style:none;
}

#slide_sub h2 {
    margin:0 0 5px 0;
    padding:5px;
    font-size:20px;
    color:#fff;
    background:#000;
}

#slide_sub ul {
    margin:0;
    padding:0;
}

#slide_sub li {
    box-sizing:border-box;
    width:300px;
    height:56px;
    margin:0 0 5px 0;
    padding:5px;
    font-size:14px;
    line-height:1.6;
    border:1px solid #999;
    cursor:pointer;
    list-style:none;
}

#slide_sub li.active {
    background:#ddd;
}