.nav h3 a{ display:block;font-size: 16px;color: #000;width:133px;}
.nav .sub{ display:none;  padding:10px 10px;position:absolute; top:45px; background:rgba(15,52,91,0.6);width: 111px;}
 .jdjs_app .qwss{
        height: 31px;
        font-size: 12px;
        min-width: 190px;
        max-width: 600px;
        width: 60%;        
        outline: none;
        padding-left: 10px;
        border-radius: 4px;
        border: 1px solid #e4e7ed;}
    .jdjs_app .tj{
        padding-left: 6px;
        letter-spacing: 5px;
        color: white;
        min-width: 53px;
        max-width: 150px;
        height: 32px;
        border: 0;
        border-radius: 4px;
        background-color: #1890FF;
        position: relative;
        top: 1px;
        width: 20%;}
.boot{background-size: 100%;}