* {
    margin: 0;
    padding: 0;
}

body {
    background: #F6F6F6;
}

.list-nav {
    width: 1200px;
    margin: 0 auto;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
    height: 54px;
    line-height: 54px;
}

.list-nav a {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
}

.bigThree {
    width: 1200px;
    margin: 0 auto;
    margin-bottom: 47px;
}

.topContent {
    width: 100%;
    background: white;
    padding: 40px 32px;
    box-sizing: border-box;
    display: flex;
}

.topC-left {
    width: 406px;
    height: 262px;
    margin-right: 45px;
}

.topC-left img {
    width: 100%;
}

.topC-right {
    width: calc(100% - 451px);
    margin-left: 20px;
}

.topC-right h1 {
    color: #494645;
    margin-bottom: 14px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.classTips {
    display: flex;
    align-items: center;
    margin-top: 20px;
    margin-bottom: 30px;
}

.classTips li {
    display: inline-block;
    padding: 6px 13px;
    border: 1px solid rgba(132, 84, 204, 1);
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    border-radius: 13px;
    color: rgba(132, 84, 204, 1);
    margin-right: 24px;
}

.time_long {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(136, 136, 136, 1);
    line-height: 30px;
}

.course-btns {
    display: block;
    margin-top: 25px;
    width: 146px;
    height: 44px;
    background: linear-gradient(17deg, rgba(253, 85, 85, 1), rgba(251, 113, 76, 1));
    border-radius: 4px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    text-align: center;
    line-height: 44px;
}

.mainBottom {
    width: 1200px;
    margin: 0 auto;
    margin-top: 23px;
    display: flex;
    justify-content: space-between;
}

.leftContent {
    width: 953px;
    background: white;
    box-sizing: border-box;
}

.checkNav ul {
    display: flex;
    padding-left: 27px;
    border-bottom: 1px solid #F6F6F6;
}

.checkNav ul li {
    padding: 0px 16px;
    height: 69px;
    line-height: 69px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(34, 34, 34, 1);
    text-align: center;
    border-bottom: 2px transparent solid;
    cursor: pointer;
    margin-right: 30px;
}

.checkNav ul li.on {
    border-color: #8454CC;
    color: #8454CC;
}

.smartDetail {
    padding: 30px;
    padding-top: 0px;
}

.smartDetail /deep/ img {
    max-width: 100%;
}

.leftCbd {
    width: 100%;
    margin-top: 20px;
}
.pj{
    padding-left: 32px;
    padding-right: 15px;
    padding-top: 10px;
}
.pj li {
    display: flex;
    width: 100%;
    margin-bottom: 30px;
}

.imgUser {
    width: 42px;
    height: 42px;
    background: rgba(210, 210, 210, 1);
    border-radius: 50%;
    margin-right: 13px;
    overflow: hidden;
}

.imgUser img {
    width: 100%;
}

.user_liuyan {
    width: calc(100% - 55px)
}

.user_liuyan p {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgba(34, 34, 34, 1);
    margin-bottom: 5px;
}

.user_liuyan p b {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(170, 170, 170, 1);
}

.user_liuyan>span {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(68, 68, 68, 1);
    line-height: 24px;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    max-height: 72px;
}

/* 右边二维码 */
.rightQRBox {
    width: 220px;
    height: 252px;
    background: rgba(255, 255, 255, 1);
    padding: 17px 20px;
    box-sizing: border-box;
}

.rightQRBox p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(68, 68, 68, 1);
    margin-bottom: 15px;
    text-align: center;
}

.rightQRBox img {
    width: 179px;
    height: 180px;
}