.section-content {
    display: flex;
}
.section-content .left {
    width: 70%;
    padding-right: 25px;
    display: flex;
    line-height: 30px;
}
.section-content .right {
    width: 30%;
}
.course-img {
    position: relative;
}
.section-content .left .course-img img {
    width: initial;
}
.course-img {
    position: relative;
}
.section-content .left .course-img img {
    width: initial;
}
.course-img span {
    position: absolute;
    /*bottom: 0;*/
    left: 10px;
    font-weight: 700;
    color: white;
    font-size: 18px;
    /*font-family: sans-serif;*/
}
.course-item .course-type {
    font-size: 10px;
    white-space: nowrap;
    width: 60px;
    font-weight: bold;
}
span.course-type-text {
    bottom: -6px;
}
img .course-type {
    position: absolute;
    width: fit-content;
    left: -7px;
    bottom: -24px;
}
img.img-free-course {
    width: 30px;
}
.livestream-section .right-course-item {
    display: flex;
    align-items: baseline;
    border-bottom: 1px solid #D8DDE6;
    margin: 0 0 10px 0;
    padding-bottom: 10px;
}
.livestream-section .right-course-item .area-left {
    display: flex;
    flex-grow: 1;
}
.livestream-section .right-course-item .course-left {
    padding-right: 15px;
    margin-right: 5px;
    border-right: 1px solid #D8DDE6;
    max-width: 25%;
}
.livestream-section .right-course-item .course-left .type-name {
    font-weight: 700;
    padding-left: 3px;
}
.livestream-section .right-course-item .course-middle {
    flex-grow: 1;
    margin-right: 5px;
    margin-left: 5px;
}
.right-course-item .course-right {
    white-space: nowrap;
    text-align: right;
}
.right-course-item .course-right img {
    cursor: pointer;
    max-width: 110px;
}
.right-course-item .course-right img:hover, .livestream-section .join-button img:hover {
    box-shadow: 0 8px 6px -6px #666;
}
.right-course-item .course-right span {
    font-size: 13px;
    line-height: 15px;
    font-weight: 400;
}
.right-course-item .course-middle .item-title {
    cursor: pointer;
    font-size: 18px;
    line-height: 27px;
    font-weight: 600;
}
.right-course-item .course-middle .item-title:hover {
    color: #236AB0;
}
.category-span {
    position: relative;
    color: white;
    font-weight: bold;
    background: #cafdca;
    padding: 5px 10px;
    text-align: center;
    border-radius: 5px;
}
.category-span-v2 {
    position: relative;
    color: white;
    font-weight: bold;
    background:#327ad5;
    padding: 5px 10px;
    text-align: center;
    border-radius: 5px;
}
.border-content-right {
    padding: 0px 12px;
    padding-bottom: 10px;
    border: 1px solid #E3E3E3;
    box-shadow: 0px 1px 4px 1px #EAEAEA;
    border-radius: 10px;
    background-color: white;
}
.text-orange {
    color: #FF721D;
}
.livestream-section .p-r-10, .comment-section .p-r-10, .khtb-section .p-r-10 {
    padding-right: 10px;
}
.float-left, .comment-section .float-left, .khtb-section .float-left {
    float: left;
}
.livestream-section .weight-600, .comment-section .weight-600, .khtb-section .weight-600 {
    font-weight: 600;
}
.livestream-section .right-course-item .course-left {
    padding-right: 15px;
    margin-right: 5px;
    border-right: 1px solid #D8DDE6;
    max-width: 25%;
    min-width: 85px;
}
.content-right div.right-course-item:first-child {
    padding-top: 20px;
}
.see-all-button {
    padding: 9px 30px;
    border: 1px solid orange;
    width: fit-content;
    margin: 0 auto;
    border-radius: 3px;
    cursor: pointer;
    font-size: 20px;
}
.see-all-button:hover {
    background: orange;
    color: white;
}
.border-hot-livestream {
    border: 1px solid #E3E3E3;
    box-shadow: 0px 1px 4px 1px #EAEAEA;
    border-radius: 10px;
    height: 100%;
    position: relative;
}
.background-color-class {
    background-color: #ffffff;
}
.livestream-section .course-img img {
    width: 100%;
}
.livestream-section .course-img img.course-type {
    position: absolute;
    width: fit-content;
    left: -7px;
    bottom: -24px;
}
.livestream-section .course-img span {
    position: absolute;
    bottom: 8px;
    left: 18px;
    font-weight: 700;
    color: white;
    font-size: 18px;
    /* font-family: sans-serif; */
}
.border-hot-livestream span.point {
    /*width: 66%;*/
}
.livestream-section .course-title {
    padding: 10px 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 22px;
    color: #236AB0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-span-hot-livestream {
    background: #327ad5;
    border-radius: 5px;
    position: relative;
    padding: 5px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    text-align: center;
    width: fit-content;
    margin-left: 14px;
}
.livestream-section .subtitle {
    color: #236AB0;
    font-size: 16px;
    line-height: 20px;
    font-weight: 400;
    padding: 5px 14px;
}
.content-left .border-hot-livestream .course-title {
    padding-left: 14px;
}
.head_title h2 img {
    height: 65px;
}
.livestream-section .text-blue, .comment-section .text-blue, .khtb-section .text-blue {
    color: #445975;
}
.livestream-section .text-red, .comment-section .text-red, .khtb-section .text-red {
    color: #E51E26;
}
.circle-course-point-hot-livestream {
    width: 14px;
    height: 14px;
    margin-bottom: 4px;
}
.area-left .course-left span.course-left-duration{
    padding-left: 3px;
}
@media (max-width: 768px) {
    .livestream-section .right-course-item {
        flex-direction: column;
    }
    .right-course-item .course-right {
        width: 100%;
    }
    .comment-section .coment-content {
        flex-direction: column;
    }
    .comment-section .comment-item {
        width: 100%;
        margin-top: 20px;
    }
    .banner-btn-area {
        bottom: -8px;
        position: relative;
    }
    .banner-btn-area .livestream, .banner-btn-area .social {
        display: flex;
        justify-content: center;
        margin-top: 10px;
    }
    .banner-btn-area .livestream {
        width: 65%;
    }
    .banner-btn-area .livestream img {
        width: 50%;
    }
    .banner-btn-area .social {
        width: 35%;
    }
    .banner-section img.livestream, .banner-section img.onthi_btn {
        margin: 0;
    }
    .khtb-section .section-content {
        flex-direction: column;
    }
    .khtb-section .section-item {
        width: 100%;
    }
    .row.section-content {

    }
    .section-content {
        display: inline-block;
    }
    .livestream-section .title_bottom, .khtb-section .title_bottom {
        border-bottom: 1px solid #D8DDE6;
        margin-bottom: 30px;
    }
    .border-hot-livestream {
         position: relative;
         border: none;
         box-shadow: none;
         border-radius: unset;
         height: 100%;
    }
    .col-md-4.content-left, .col-md-8.content-right {
        margin-bottom: 20px;
        padding-bottom: 10px;
        border: 1px solid #E3E3E3;
        box-shadow: 0px 1px 4px 1px #EAEAEA;
        border-radius: 10px;
        background-color: white;
    }
    .livestream-section .course-img span {
        position: absolute;
        top: 36px;
        left: 18px;
        font-weight: 700;
        color: white;
        font-size: 18px;
    }
    .livestream-section .course-img img.course-type {
        top: 30px;
    }
    .border-hot-livestream .course-img {
        padding-top: 15px;
    }
    .border-content-right {
        padding: unset;
        padding-bottom: unset;
        border: unset;
        box-shadow: unset;
        border-radius: unset;
        /*background-color: white;*/
    }
}