*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none !important;
    outline: none;
}
ul li, ol{
    list-style: none;
}
em{
    font-style: normal;
}
input,button{
    outline: none;
    border: 0;
}
.f-left{
    float: left;
}
.f-right{
    float: right;
}
.header-userInfo{
    height: 196px;
    background: url('../img/bg.png') no-repeat center top #000;
    background-size: cover;
}
.userInfo{
    position: relative;
    width: 1152px;
    margin: 0 auto;
}
.userInfo .user-pic{
    float: left;
    width: 148px;
    height: 148px;
}
.user-pic-bg{
    border: 4px solid #fff;
    box-shadow: 0 4px 8px 0 rgb(7 17 27 / 10%);
    width: 140px;
    height: 140px;
    position: relative;
    border-radius: 50%;
    background: #fff;
    top: 24px;
}
.user-pic-bg img{
    text-align: center;
    width: 132px;
    height: 132px;
    border-radius: 50%;
}
.user-info-right{
    float: right;
    width: 980px
}
.user-info-right .user-name{
    font-weight: 600;
    text-align: left;
    font-size: 24px;
    color: #fff;
    line-height: 28px;
    margin-top: 48px;
}
.clfx{
    zoom: 1;
}
.clfx::after{
    content: '\0020';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.user-name span{
    float: left;
}
.user-info-right .user-order{
    font-size: 14px;
    color: #fff;
    line-height: 20px;
    text-align: left;
    margin-top: 6px;
}
.user-order span{
    display: inline-block;
    margin-right: 10px;
    font-size: 14px;
    color: #fff;
    line-height: 20px;
    border-right: 2px solid rgba(255,255,255,.4);
}
.user-order span:last-child{
    border-right: none;
}
.user-desc{
    color: #fff;
    font-size: 14px;
    line-height: 24px;
    text-align: left;
    opacity: 5;
}
.set-info{
    position: absolute;
    top: 70px;
    right: 10px;
    min-width: 200px;
    text-align: right;
}
.set-info .follows{
    margin-right: 24px;
}
.set-info .item{
    line-height: 48px;
    vertical-align: middle;
    height: 48px;
    float: left;
}
.set-info .set-btn{
    padding: 8px 16px;
    border: 1px solid rgba(255,255,255,.4);
    border-radius: 18px;
    font-size: 14px;
    color: rgba(255,255,255,.8);
    line-height: 20px;
    height: 20px;
}
.set-info .set-btn:hover{
    color: #fff;
    border-color: #fff;
}
.set-btn span{
    margin-left: 5px;
}
/* 头部区域结束 */

.body-content{
    position: relative;
    width: 1200px;
    margin: 0 auto;
}
.nav-left{
    position: absolute;
    width: 172px;
    left: 24px;
    top: 0;
}
.nav-left ul li{
    height: 48px;
    width: 160px;
    margin: 0 auto 8px;
}
.nav-left ul li a{
    position: relative;
    display: block;
    height: 48px;
    font-size: 16px;
    line-height: 48px;
    text-align: left;
    color: #787d82;
    padding-left: 30px;
}
.nav-left ul li a span{
    margin-left: 10px;
}
.nav-left ul li a.active{
    color: #fff;
    background: #56a8ff;
    border-radius: 8px 0 0 8px;
}
.nav-left ul li a.active::after,.nav-left ul li:first-child a.active::after{
    display: block;
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-top: 24px solid #fff;
    border-bottom: 24px solid #fff;
    border-left: 15px solid transparent;
}
.myContainer{
    margin-left: 240px;
    min-height: 589px;
}
.head-nav-tab{
    font-size: 16px;
    color: #545c63;
    height: 52px;
    line-height: 52px;
    margin-top: 18px;
    border-bottom: 1px solid #d9dde1;
}
.tool .tab-item{
    margin-right: 64px;
    display: inline-block;
    line-height: 50px;
    color: #545c63;
    border-bottom: 2px solid transparent;
}
.tool a:hover,.tool a.active{
    color: #56a8ff;
    border-color: #56a8ff;
}
.body-course{
    margin-top: 20px;
}
.body-course .course-list{
    width: 100%;
    box-sizing: border-box;
    display: none;
}
.body-course .course-list.active{
    display: block !important;
}
.course-list .item{
    position: relative;
    display: flex;
    flex-direction: row;
    margin-top: 28px;
    border-bottom: 1px solid #d9dde1;
    padding-bottom: 10px;
}
.course-list .item:first-child{
    margin-top: 0;
}
.course-list .item .pic-box{
    width: 200px;
    margin-right: 30px;
}
.course-list .item .pic-box img{
    vertical-align:top;
    border: 0;
}
.course-list .item .info-box{
    display: flex;
    flex-direction: column;
    position: relative;
    /* padding-bottom: 28px; */
    width: 730px;
}
.course-list .item .info-box .title{
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 12px;
}
.course-list .item .info-box .title span:first-child{
    background: #f5f7fa;
    border-radius: 2px;
    width: 62px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    font-size: 12px;
    color: #9199a1;
    font-weight: 400;
    margin-right: 10px;
}
.course-list .item .info-box .title .a-title{
    font-size: 20px;
    color: #07111b;
    font-weight: 700;
    line-height: 36px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.course-list .item .info-box .study-info{
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 10px;
}
.course-list .item .info-box .study-info span{
    line-height: 24px;
    font-size: 14px;
    color: #4d555d;
    margin-right: 24px;
}
.course-list .item .info-box .study-info span:first-child{
    color: #f20d0d;
}
.course-list .item .info-box .catog-box{
    display: flex;
    flex-direction: row;
    align-items: center;
}
.course-list .item .info-box .catog-box span{
    font-size: 14px;
    line-height: 36px;
    color: #4d555d;
    margin-right: 36px;
}
.course-list .item .info-box .catog-box span a{
    color: #4d555d;
}
.course-list .item .info-box .catog-box span i{
    color: #93999f;
    font-style: normal;
    margin-left: 5px;
}
.course-list .item .info-box .catog-box .catog-btn{
    display: inline-block;
    position: absolute;
    right: 0;
    font-size: 14px;
    border: none;
    color: #fff;
    width: 104px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    background: rgba(240,20,20,.6);
    border-radius: 18px;
    transition: background-color .2s;
}
.course-list .item .info-box .catog-box .catog-btn:hover{
    background-color: #f01414;
    color: #fff;
}
.course-list .item .info-box .share-box{
    position: absolute;
    right: 10px;
    top: 0;
    width: 30px;
    background-color: #ff0;
    overflow: visible;
    display: none;
}
.course-list .item:hover .share-box{
    display: block !important;
}
.course-list .item .info-box .share-box .show-btn{
    position: absolute;
    top: 8px;
    right: 0;
    width: 30px;
    height: 20px;
    font-size: 18px;
    text-align: center;
    line-height: 20px;
    color: #bdc0c3;
    cursor: pointer;
}
.no-data{
    padding-top: 100px;
}
.no-data p{
    font-size: 16px;
    color: #9199a1;
    text-align: center;
    line-height: 24px;
    margin-bottom: 4px;
}
.no-data p a{
    color: #f01400;
}

/* 我的收藏（新修改样式） */
.star-study-info{
    margin-bottom: 12px;
}
.star-study-info span{
    line-height: 24px;
    font-size: 14px;
    color: #4d555d;
    margin-right: 24px;
}
.star-pic-box{
    width: 116px;
    margin-right: 30px;
}
.star-btn{
    right: -65px !important;
}
.star-img{
    border-radius: 8px;
}
.star-menu-num{
    margin-right: 5px;
}
.recomment-box{
    width:100%;
    margin-top: 48px;
}
.recomment-head{
    width: 100%;
}
.recomment-head h4{
    font-size: 16px;
    color: #1c1f21;
    line-height: 18px;
    margin-bottom: 0;
}
.recomment-head span{
    font-size: 14px;
    position: absolute;
    right: 0;
    cursor: pointer;
    color: #9199a1;
    transition: color .2s;
}
.recomment-head span:hover{
    color: #56a8ff;
}
.recomment-body ul{
    clear: both;
    margin-top: 24px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.recomment-body ul li {
    width: 216px;
    margin-bottom: 8px;
    margin-left: 32px;
}
.recomment-body ul li:first-child {
    margin-left: 0;
}
.recomment-body .rec-item{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.recomment-body .rec-img-box{
    position: relative;
    margin-bottom: 8px;
}
.recomment-body .rec-img-box img{
    border: 0;
    border-radius: 8px;
}
.rec-item .content{
    width: 100%;
    text-align: left;
    box-sizing: border-box;
}
.rec-item .content .title{
    margin-top: 0;
    font-size: 16px;
    color: #1c1f21;
    line-height: 22px;
    font-weight: 700;
    text-align: left;
    margin-bottom: 4px;
    max-height: 44px;
    overflow: hidden;
}
.rec-item .content .info{
    font-size: 12px;
    color: #545c63;
    text-align: left;
    line-height: 18px;
}
.rec-item .content .info span{
    margin-right: 12px;
}
.rec-item .content .info span:first-child{
    font-weight: 700;
}


/* 我的笔记（新修改样式） */
.note-head-nav{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.note-head-nav .note-search-box{
    position: relative;
    right: -180px;
}
.note-head-nav .note-search-box .inputSc{
    width: 278px;
    height: 36px;
    line-height: 24px;
    padding: 5px 12px;
    border-radius: 4px 0 0 4px;
    border: 1px solid rgba(84,92,99,.2);
    border-right: 0;
    box-sizing: border-box;
    transition: all .2s;
    color: #545c63;
    font-size: 13px;
    opacity: 0.9;
}
.note-head-nav .note-search-box .btnSearch{
    color: #fff;
    font-size: 18px;
    padding: 6px 12px;
    line-height: 24px;
    border-radius: 0 4px 4px 0;
    background-color: #545c63;
    cursor: pointer;
    position: relative;
    left: -5px;
    top: 1px;
    transition: opacity .2s;
}
.note-head-nav .note-search-box .btnSearch:hover{
    opacity: 0.8;
}

/* 我的提问（新修改样式） */
.question{
    position: relative;
    right: -100px !important;
}

/* 我的专栏（新修改样式） */
.book-list li{
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(28,31,33,.1);
    margin-bottom: 38px;
    padding: 10px;
}
.book-list li .book-img{
    width: 138px;
    height: 157px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    box-sizing: border-box;
    transition: all .5s;
    -webkit-transition: all .5s;
}
.book-list li .book-img img{
    width: 100%;
    height: 100%;
}
.book-content{
    width: 800px;
    padding: 0 0 16px 0;
    font-size: 0;
}
.book-content .title{
    font-weight: 700;
    font-size: 20px;
    color: #1c1f21;
    line-height: 24px;
    text-align: left;
    margin-bottom: 12px;
    margin-top: 4px;
}
.book-content .desc{
    font-size: 14px;
    color: #545c63;
    font-weight: 600;
    line-height: 14px;
    text-align: left;
    margin: 10px 0px 20px 0px;
    display: inline-block;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.book-content .menu{
    font-size: 12px;
    color: #9199a1;
    text-align: left;
    line-height: 14px;
}
.book-content .author-box{
    display: flex;
    font-size: 0;
}
.book-content .author-box .author-img{
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: top center;
    display: inline-block;
    vertical-align: middle;
}
.author-img img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.author-box{
    font-size: 12px;
    vertical-align: middle; 
}
.author-info{
    margin: 0 8px 0 12px;
    font-size: 16px;
    text-align: left;
    line-height: 36px;
    font-weight: 700;
}
.author-info span:hover{
    color: #56a8ff;
}
.author-name{
    color: #1c1f21;
}
.author-info i{
    margin: 0 0 0 5px;
    color: #1c1f21;
}
.author-title{
    font-size: 12px;
    text-align: left;
    line-height: 36px;
    margin-left: 8px;
    color: #1c1f21;
}