.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix10:after {
    content: ".";
    display: block;
    height: 10px;
    clear: both;
    visibility: hidden;
}

.h10 {
    height: 10px;
}

.h15 {
    height: 15px;
}


.navBar {
    width:930px;
    height: 52px;
    line-height: 52px;
}

.nav {
    position: relative;
    margin: 0 auto;
    font-family: microsoft yahei,SimSun,SimHei;
    font-size: 14px;
}

    .nav a {
        color: #fff;
    }

    .nav h3 {
        font-size: 100%;
        font-weight: 400;
    }

    .nav .m {
        float: left;
        position: relative;
        z-index: 1;
    }

    .nav .s {
        float: left;
        width: 3px;
        text-align: center;
        color: #d4d4d4;
        font-size: 12px;
    }

    .nav h3 a {font-size:16px;height:52px;line-height:52px;
        display: inline-block;
        padding:0 22px;
        text-align: center;
        font-weight: 700;transition:all ease 0.5s;
    }
      .nav h3 a:hover{transition:all ease 0.5s;color:#ff6a00;}
   .nav h3 a.sel_a{background:#fff;border-radius:8px 8px 0 0;color:#0063b0;height:42px;}
    .nav .sub {
                border: 1px solid #e6e4e3;
        display: none;
        position: absolute;
        left: -20px;
        top: 52px;
        z-index: 1;
        width: 117px;
        border-top: 0;
    }

        .nav .sub li {
            text-align: center;
        }
            .nav .sub li a {
                display: block;
        background: #fff;
                border-bottom: 1px solid #f5f5f5;
                padding: 8px 0;
                height: 28px;
                line-height: 28px;
                color: #000;
                font-size: 14px;
                font-weight: 700;
            }

                .nav .sub li a:hover {
                    color: #fe7700;
                }

    .nav .block {
        height: 8px;
        width: 80px;
        background: #fe7700;
        position: absolute;
        left: 0;
        top: 42px;
        overflow: hidden;
    }