.nbdx_o3{
        /* 绝对定位 */
        position: absolute;
        left: 100%;
        
        
        font: 16px/20px "宋体";
        color: #fff;
        background-color: rgba(196,36,30,0.5);
        text-align: center;
        display: none;}
.nbdx_mc_sec_nav li:hover  .nbdx_o3{
    /* 显示三级导航 */
    display: block;}
.nbdx_l3 {
padding:0 20px;}

.nbdx_a3 {
line-height: 55px;
cursor:pointer;
color:#fff;}




.titlestyle253342{ font-size: 9pt; color: #222222; text-decoration: none ;}