body {
    margin: auto;
    font-size: 18px;
    font-family: '微软雅黑';
}

img {
    border: 0px;
}

a {
    text-decoration: none;
    color: #666666;
}

    a:hover {
        text-decoration: none;
    }

* {
    margin: 0;
    padding: 0;
    list-style: none;
}

.clearfix {
    clear: both;
}

.clearDiv {
    clear: both;
    height: 10px;
    width: 100%;
}

.clearDivWu {
    clear: both;
    height: 15px;
    width: 100%;
}
/*top*/
.top {
    width: 1200px;
    margin: auto;
}

#header {
    background-color: #EAEAEA;
    height: 60px;
}

.head_logo {
    float: left; margin-top:3px;
}

.head_search {
    float: right;
    height: 30px;
    line-height: 30px;
    margin-top: 20px;
    font-size: 12px;
}

#search_condition {
    width: 250px;
    height: 100%;
    border: 1px solid #878484;
}

.head_jigou {
    width: 48px;
    text-align: center;
    float: left;
    border-left: 1px solid #878484;
    border-top: 1px solid #878484;
    border-bottom: 1px solid #878484;
}

.head_sousuo {
    width: 48px;
    text-align: center;
    float: left;
    border-right: 1px solid #878484;
    border-top: 1px solid #878484;
    border-bottom: 1px solid #878484;
    background-color: #188EEE;
    color: #FFF;
}

#little_nav {
    height: 40px;
    line-height: 40px;
    font-size: 12px;
    border-bottom: 1px solid #EAEAEA;
    clear: both;
}

#org_maincontent {
    width: 1200px;
    height: 100%;
    margin-top: 10px;
    clear: both;
    margin: auto;
}

#org_maincontent_lef {
    width: 240px;
    height: 100%;
    float: left;
    clear: both;
    border: 1px solid #EAEAEA;
}

#main_nav {
    border-bottom: 1px solid #EAEAEA;
    height: 45px;
    border-top: 1px solid #EAEAEA;
    width: 1200px;
    margin: auto;
}

    #main_nav ul {
        margin: 0 auto;
        padding: 0;
        list-style: none;
        width: 1071px;
    }

        #main_nav ul li {
            height: 45px;
            line-height: 45px;
            text-align: center;
            float: left;
            width: 153px;
        }

            #main_nav ul li a {
                text-decoration: none;
                display: block;
                width: 153px;
                height: 45px;
            }

                #main_nav ul li a:hover {
                    border-bottom: 3px solid #188EEE;
                }

        #main_nav ul .on {
            border-bottom: 3px solid #188EEE;
        }

#org_maincontent_right {
    margin: 0 auto;
    float: left;
    margin-left: 18px;
    font-size: 18px;
    width: 938px;
}

.org_maincontent_right_title {
    height: 40px;
    line-height: 40px;
    background-color: #EAEAEA;
}

/*admin_index的课程列表*/
.org_maincontent_right_course {
    margin-top: 20px;
}

    .org_maincontent_right_course ul {
        margin: 0 auto;
        padding: 0;
        list-style: none;
    }

        .org_maincontent_right_course ul li {
            height: 260px;
            margin-left: 10px;
            margin-right: 10px;
            line-height: 25px;
            text-align: center;
            float: left;
            width: 289px;
            border: 1px solid #878484;
            margin-bottom: 30px;
        }

    .org_maincontent_right_course img {
        width: 289px;
        height: 160px;
    }
/*admin_index的讲师列表*/
.org_maincontent_right_teacher {
    margin-top: 20px;
    font-size: 18px;
}

    .org_maincontent_right_teacher ul {
        margin: 0 auto;
        padding: 0;
        list-style: none;
    }

        .org_maincontent_right_teacher ul li {
            height: 260px;
            margin-left: 10px;
            margin-right: 10px;
            line-height: 35px;
            text-align: center;
            float: left;
            width: 210px;
            border: 1px solid #EAEAEA;
            margin-bottom: 30px;
        }

.headpic {
    width: 138px;
    height: 120px;
}
/*右侧边框*/
#left_message {
    border-bottom: 1px solid #EAEAEA;
    height: 80px;
    border-top: 1px solid #EAEAEA;
}

    #left_message ul {
        margin: 0 auto;
        padding: 0;
        list-style: none;
    }

        #left_message ul li {
            height: 80px;
            line-height: 38px;
            text-align: center;
            float: left;
            width: 79px;
        }
/*底部内容*/
#foot {
    clear: both;
    width: 100%;
    height: 80px;
    line-height: 80px;
    font-size: 14px;
    text-align: center;
    background-color: #EAEAEA;
}


/*.linear {
    width: 100%;
    height: 60px;
    FILTER: progid:DXImageTransform.Microsoft.Gradient(gradientType=1,startColorStr=#31C1E3,endColorStr=#E7EBC6); /*IE 6 7 8*/
/*background: -ms-linear-gradient(right, #E7EBC6, #31C1E3); /* IE 10 */
/*background: -moz-linear-gradient(right,#E7EBC6,#31C1E3); /*火狐*/
/*background: -webkit-gradient(linear, 0% 0%, 0% 100%,from(#E7EBC6), to(#31C1E3)); /*谷歌*/
/*background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#E7EBC6), to(#31C1E3)); /* Safari 4-5, Chrome 1-9*/
/*background: -webkit-linear-gradient(right, #E7EBC6, #31C1E3); /*Safari5.1 Chrome 10+*/
/*background: -o-linear-gradient(right, #E7EBC6, #31C1E3); /*Opera 11.10+*/
/*}*/

.seacher {
    width: 60px;
    height: 25px;
    line-height: 20px;
    float: left;
    background-color: #FFF;
}

    .seacher input {
        width: 39px;
        margin: 0px;
        padding: 0px;
        text-align: center;
        border: 0px;
        height: 25px;
        line-height: 25px;
        color: #666;
    }

        .seacher input:hover {
            cursor: pointer;
        }

#uldiv {
    margin: 0px;
    padding: 0px;
    list-style-type: none;
    background: #F9F9F9;
    border: 1px solid #ccc;
}

    #uldiv li {
        width: 50px;
        height: 20px;
        text-align: left;
        padding-left: 6px;
    }

        #uldiv li:hover {
            cursor: pointer;
        }

.buttontext_s {
    width: 164px;
    float: left;
    height: 25px;
    background: red;
}

#search_text {
    width: 129px;
    border: 0 none;
    height: 25px;
    line-height: 25px;
    margin-right: 0;
    color: #898989;
    padding: 0px;
    margin: 0px;
    float: left;
    box-sizing: border-box;
    transition: all 0.15s;
}

#search_button {
    border: 0 none;
    background: #188EEE url(../../images/search.png) center no-repeat;
    width: 35px;
    float: left;
    padding: 0;
    text-align: center;
    height: 25px;
    cursor: pointer;
}


#uc_menu {
    margin: auto;
    width: 71px;
    height: auto;
    padding: 0px;
    list-style-type: none;
    z-index: 999;
    background: url(../../Images/CourseCenter/menubg_icon.png) top no-repeat;
    position: absolute;
}

    #uc_menu li {
        width: 70px;
        background: #F6F6F6;
        height: 28px;
        line-height: 28px;
        text-align: center;
        border-left: 1px solid #ccc;
        border-right: 1px solid #ccc;
    }

        #uc_menu li:hover {
            cursor: pointer;
            background: #188EEE;
            color: #fff;
        }