html, body {
    margin: 0;
    padding: 0;
    border: none;
    overflow: hidden;
    height: 100%;
    font-family: "微软雅黑";
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
    margin: 0;
    padding: 0;
}

#main {
    background: #ffffff;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

#main_tabs0 {
    float: left;
    position: relative;
    overflow: hidden;
}

#main_tabs {
    float: left;
    overflow: hidden;
    position: absolute;
    width: 5000px;
}

.main_tab {
    float: left;
    overflow-y: hidden;
    cursor: pointer;
    position: relative;
}

#main_tabs_scroll {
    float: right;
}

.main_tab_close {
    position: absolute;
}

#center.max {
    width: 100%;
    height: 100%;
}

#left.collapsed + #center.max {
    width: 100%;
    height: 100%;
}

#main.max {
    margin-left: 0;
    margin-right: 0;
    border-left: 0 none;
    border-right: 0 none;
    width: 100%;
}

#main.max #main_frames iframe {
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

#main_frames {
    overflow: hidden;
    position: relative;
}

#main_frames iframe {
    position: absolute;
    border: 0 none;
    margin: 0;
    background: #ffffff;
}