.of {
    overflow: hidden;
}
.mt10 {
    margin-top: 10px;
}
.mt40 {
    margin-top: 40px;
}
.hLh30 {
    height: 30px;
    line-height: 30px;
}
.hLh20 {
    height: 20px;
    line-height: 20px;
}

.f-fA {
    font-family: Microsoft Yahei;
}
.fsize12 {
    font-size: 12px;
}
.c-fff {
    color: #fff;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.bg-green {
    background-color: #14BA4C;
}
.bg-orange {
    background-color: #FF8723;
}
.bg-red{
    background-color: #e85308;
}
.fsize18 {
    font-size: 18px;
}
.c-333 {
    color: #333;
}
.c-999 {
    color: #999;
}
a:hover {
    text-decoration: underline;
    color: #333;
}
footer a:hover{
    color: #0049ca;
}
a:active {
    outline: 0;
}
    .buying-patterns {
        padding-left: 20px;
        padding-top: 20px;
    }
    .shouquanma {
        border: none;
        border-bottom: 1px solid #ccc;
        width: 120px;
        text-align: center;
    }
    .shouquanma:focus {
        outline: none;
    }
    #course-paixu li {
        position: relative;
    }
    #course-paixu li i {
        color: rgba(204, 204, 204, 0.5);
        display: none;
        position: absolute;
    }
    #course-paixu li i.icon-tisheng, #course-paixu li i.icon-xiajiang {
        top: 16px;
        right: 4px;
    }
    #course-paixu li:hover a {
        background-color: #f5f5f5;
        color: #3e4450;
        cursor: pointer;
    }
    #course-paixu li.sheng i.icon-tisheng, #course-paixu li.jiang i.icon-xiajiang {
        display: block;
    }
    #course-paixu li.jiang i.icon-tisheng {
        display: none;
    }
    .comm-course-list li {
        float: left;
        width: 25%;
    }
.comm-course-list li .cc-l-wrap {
    display: block;
    margin: 0 0 50px 20px;
    overflow: hidden;
}
.course-img {
    position: relative;
    height: 0;
    padding-bottom: 56%;
    overflow: hidden;
}
.img-responsive {
    width: 100%;
    height: auto;
    display: block;
    transition: .8s;
    -webkit-transition: .8s;
}
.comm-course-list li:hover .img-responsive {
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
}
.txtOf {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.jgTag {
    display: inline-block;
    padding: 1px 12px;
    text-align: center;
    height: 20px;
}
.cc-mask .c-btn-1 {
    left: 50%;
    margin-left: -60px;
    position: absolute;
    top: 100%;
    transition: .3s;
    -webkit-transition: .3s;
}
.cc-mask a:hover{
    color: #fff;
    text-decoration: none;
}
.comm-btn {
    padding: 0 8px;
}
.c-btn-1 {
    border-color: #fff;
    color: #fff;
    width: 120px;
    font-size: 18px;
}
.comm-course-list li:hover .cc-mask .c-btn-1 {
    top: 50%;
}
.blue-btn, .comm-btn, .goBack-btn, .order-submit {
    border: 1px solid;
    display: inline-block;
    text-align: center;
    height: 32px;
    line-height: 32px;
    padding: 0 12px;
}
.c-btn-1 {
    border-color: #fff;
    color: #fff;
    width: 120px;
    font-size: 18px;
}
@media (max-width: 991px){
    .comm-course-list li {
        width: 33.33333%;
    }
}
@media (max-width: 768px){
    .comm-course-list li {
        width: 50%;
    }
}