ul, li {
    list-style: none;
}
tr{
    font-size: 12px;
}
.Usecon {
    width: 1180px;
    margin: 0 auto;
    overflow: hidden;
    margin-top: 20px;
    text-align: left;
}

.fl {
    float: left;
    display: inline;
}
.width {
    width: 220px;
}
.left-nav {
    width: 280px;
    background: #F4F3F3;
}

.leftnavtitle {
    background: url('../img/UseManbg.jpg') no-repeat center center;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    color: #fff;
    padding-left: 50px;
    border-bottom: 1px solid #fff;
}

.leftnavbody ul {
    list-style-type: none;
    padding-bottom: 4px;
}
.leftnavbody ul li {
    line-height: 34px;
    margin-left: 35px;
}
.leftnavbody ul li a {
    font-size: 14px;
    color: #4c4c4c;
    padding-left: 8px;
}
a:link, a:visited {
    color: #599100;
    text-decoration: none;
}
.leftnavbody .b1 {
    background: url('../img/producta.png') no-repeat 0 0;
    width: 18px;
    height: 18px;
    display: block;
    float: left;
    margin-top: 10px;
}
.b1 {
    color: #F66E00;
    font-size: 25px;
    font-weight: bold;
    font-family: Georgia, "Times New Roman", Times, serif;
}.fl {
    float: left;
    display: inline;
}
.Useright {
    width: 905px;
    background: #fafafa;
    min-height: 993px;
    margin-left: 15px;
    padding: 0 20px;
}.UserightTitle {
    height: 48px;
    border-bottom: 2px solid #25b6f5;
    line-height: 50px;
    background: url('../img/UseIcon.png') no-repeat 21px center;
    padding-left: 71px;
    font-size: 16px;
    color: #4c4c4c !important;
}