.intro-bar .right img{
    width: 442px;
}

.section-title{
    font-size: 24px;
    font-weight: bold;
    line-height: 24px;
    margin-bottom: 20px;
    color: #000;
}

.section-block{
    background-color: #fff;
    padding: 24px 28px 28px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .08);
    margin-bottom: 18px;
}

.section-block:last-of-type{
    margin-bottom: 0;
}

.section{
    margin-bottom: 50px;
}

.section:last-of-type{
    margin-bottom: 0;
}

.bottom-tab{
    padding-top: 15px;
}

.block-title{
    padding-bottom: 12px;
    position: relative;
    border-bottom: 2px solid #e6e6e6;
    margin-bottom: 12px;
    font-size: 20px;
    font-weight: bold;
    color: #000;
}

.block-title::after{
    content: "";
    background-color: #ff0000;
    height: 2px;
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 30px;
}

.block-desc{
    font-size: 16px;
    line-height: calc(30em / 16);
}

.section-block.recommend-lesson-list{
    padding-top: 0;
    padding-bottom: 0;
}

.recommend-lesson-list a{
    position: relative;
    line-height: 24px;
    padding-top: 17px;
    padding-bottom: 17px;
    padding-left: 18px;
    display: block;
    width: 100%;

    border-bottom: 1px solid #e6e6e6;
}

.recommend-lesson-list .no-result-hint{
    padding-top: 60px;
    padding-bottom: 60px;
}

.recommend-lesson-list a:last-of-type{
    border-bottom: none;
}

.recommend-lesson-list a::before{
    content: "";
    width: 6px;
    height: 10px;
    background: url("../images/support/icon_lesson_arr.svg") center/contain no-repeat;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}

.lesson-table .col1, .lesson-table .col2, .lesson-table .col3{
    border-right: none;
}

.lesson-table .col1{
    width: 70%;
    padding-left: 0;
}
.lesson-table .col2{
    width: 15%;
}
.lesson-table .col3{
    width: 15%;
}
.lesson-table .col2-1{
    border-right: none;
}

.lesson-row{
    cursor: auto;
}

.lesson-row:hover{
    box-shadow: none;
    border-bottom-color: #dfdfdf;
}

.lesson-row:hover .col1{
    color: inherit;
}

.related-material-table .file-download::before{
    display: none;
}

.related-material-table .file-download{
    color: #014877;
}

.related-material-table .file-download::after{
    content: "";
    width: 1.5em;
    height: 1.5em;
    display: inline-block;
    vertical-align: middle;
    margin-top: -.25em;
    border-radius: 50%;
    background: url("../images/icons/download_solid.svg") center/contain no-repeat;
    margin-left: .4em;
}

.related-material-table .file-download:hover{
    text-decoration: underline;
}

.related-material-table{
    padding-top: 0;
    padding-bottom: 0;
}

@media (max-width: 1280px) {
    .section-block{
        padding-left: 20px;
        padding-right: 20px;
    }

    .intro-bar .right img{
        width: 320px;
    }

    .recommend-lesson-list a{
        padding-top: 14px;
        padding-bottom: 14px;
    }

}

@media (max-width: 960px) {
    .intro-bar .right{
        width: 60%;
        margin-bottom: 20px;
    }

    .intro-bar .right img{
        width: 100%;
    }

    .intro-bar .wrapper{
        padding-top: 30px;
        padding-bottom: 30px;

        display: flex;
        flex-direction: column-reverse;
    }

    .intro-bar .left{
        width: 100%;
        display: block;
    }

    .banner-bar{
        background-position: center;
    }

    .intro-bar .banner-title{
        font-size: 22px;
    }

    .intro-bar .splitter{
        margin-bottom: 16px;
        width: 80px;
        height: 6px;
    }

    .intro-bar .btn-ctn{
        margin-top: 20px;
    }

    .intro-bar .flash-hint{
        margin-top: 20px;
    }

    .main .wrapper{
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .section-title{
        font-size: 20px;
        line-height: 1em;
        margin-bottom: 12px;
    }

    .section-block{
        padding: 12px 15px 15px;
        margin-bottom: 10px;
    }

    .block-title{
        font-size: 16px;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }

    .block-desc{
        font-size: 14px;
    }

    .recommend-lesson-list{
        font-size: 14px;
    }

    .recommend-lesson-list a{
        padding-top: 10px;
        padding-bottom: 10px;
        padding-left: 15px;
    }

    .lesson-table .col1{
        width: 100%;
        display: block;
    }

    .lesson-table .col2,
    .lesson-table .col3{
        width: 50%;
    }

    .section-block.related-material-table{
        padding: 0;
        box-shadow: none;
        font-size: 14px;
    }

    .lesson-row .col1::before{
        display: none;
    }

    .lesson-row:hover{
        box-shadow: 0 2px 4px rgba(0, 0, 0, .08);
    }
}

@media (max-width: 480px) {

    .intro-bar .right{
        width: 80%;
    }
}