.box
        {
            width: 100%;
            background-color: #f1f1f1;
            position:relative;
            top:37px;
        }
        .box .content
        {
            width: 1100px;
            margin: 0 auto;
        }
        .box .content .control-group
        {
            width: 100%;
            margin: 20px 0;
        }
        .box .content .control-group .control-title
        {
            width: 100%;
            margin: 40px auto 14px;
            color: #595959;
            font-size: 28px;
            text-align: center;
        }
        .box .content .control-group .control-content
        {
            width: 600px;
            margin: 16px auto 40px;
            color: #696969;
            font-size: 12px;
            text-align: center;
        }
        .box .content .control-group .control-border
        {
            border: 1px solid #adadad;
            width: 80px;
            height: 0px;
            margin: 0 auto;
        }
        .box .content .control-group .control-bg
        {
            width: 100%;
        }
        .box .year
        {
            width: 1100px;
            margin: 35px auto 0;
        }
        .year_box
        {
            background-color: #f1f1f1;
            height: 36px;
            width: 660px;
            position: relative;
            top: -19px;
            margin:auto;
        }
        .box .year .date
        {
            width: 100px;
            background: none;
            height: 36px;
            text-align: center;
            line-height: 36px;
            color: #666;
            float: left;
            cursor: pointer;
            margin: 0 5px;
        }
        .box .year .on
        {
            width: 100px;
            background-color: #ffad00;
            border-radius: 36px;
            height: 36px;
            color: #fff;
        }
        .clear
        {
            clear: both;
            width: 100%;
            height: 0px;
        }
        .year_bg
        {
            width: 100%;
            border-bottom: 1px dashed #d5d5d5;
            height: 19px;
        }
        .month
        {
            float: left;
            width: 260px;
            text-align: right;
            padding-right: 40px;
            color: #7c7c7c;
            font-size: 16px;
        }
        .version
        {
            float: left;
            width: 700px;
        }
        .version li:first-child
        {
            background: url("/images/li_bg.png") no-repeat 1px 7px;
            color: #ffad00;
        }
        .version li
        {
            font-size: 14px;
            padding: 5px 0 5px 60px;
            background: url("/images/li_bg.png") no-repeat 0px -22px;
            color: #8f919b;
        }
        .list-month
        {
            margin: 0;
            width: 100%;
        }
        .show
        {
            display: block;
        }
        .hide
        {
            display: none;
        }