.nav dl.chang {
    width: 200%;}

.nav dl.chang dd {
    position: relative;}
    .mainmenu dl {
        display: none;
        position: absolute;}
    
    .third-level {
        display: none;
        position: absolute;
        left: 100%;
        top: 0;
        background-color:#b30216;
        /* 其他样式... */
        width: 105%;
        font-size: 14px;}
    
    .third-level li {
        width: 100%;
        height: 100%;}
    .third-level a {
        font-size: 14px;}
    
    .mainmenu:hover > dl {
        display: block;}
    
    .mainmenu dl dd:hover .third-level {
        display: block;}
.has-submenu {
    position: relative;}

.submenu-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    min-width: 180px;
    z-index: 100;
    padding: 5px 0;
    margin-top: 5px;}

.submenu-content li {
    padding-left: 15px;}

.submenu-content li:hover {
    background-color: #f5f5f5;}

.submenu-content a {
    display: block;
    color: #333;
    text-decoration: none;
    white-space: nowrap;}

.submenu-indicator {
    margin-left: 5px;
    font-size: 0.8em;}
.newslist{

    border-bottom: 1px dotted rgb(178,178,178);
    overflow: hidden;
    height: 160px;width:433px;float:left;margin-right:30px;    border: 1px solid #ddd;margin-bottom: 25px;}

.date {
    float: left;
    height:160px;width:140px;}
.date img{

    height:160px;width:140px;}
.date .d {
    width: 63px;
    height: 30px;
    line-height: 30px;
    background: #003466;
    color: #fff;
    text-align: center;
    font-size: 18px;}
.date .ym {
    width: 63px;
    height: 32px;
    line-height: 32px;
    background: #eeeeee;
    font-size: 12px;
    text-align: center;
    color: #333;}
.new {
    float: right;
    width: 260px;
    height: 130px;
    overflow: hidden;padding: 15px;}
.tit {
    height: 32px;
    line-height: 32px;
    font-size: 18px;
    font-weight: bold;}
.tit a {
    color: #666666;}

.sjspan{
    display: block;
    margin-top: 10px;
    font-size: 14px;
    color: #666666;}