time {
    margin-left: 20px;
    display: inline-block;
}
.course-byline {
    margin:16px auto;
}
.container {
    display: flex;
    min-height: 100vh;
    justify-content: center;
    width: 1200px;
    margin: 20px auto;
}

.sidebar {
    padding: 20px 0;
    order: 2;
    width: 340px;
}

.main-content {
    flex: 1;
    max-width: 100%;
    padding: 20px;
}


.container:has(.sidebar) .main-content {
    max-width: none;
    margin-right: 20px;
}





.container:has(.sidebar) {
    justify-content: flex-start;
}

    .container:has(.sidebar).main-content {
        margin-left: 20px;
    }

.sidebar h2, .sidebar h2 > a, .teachers > h2 a {
    font-size: 1.4rem;
    letter-spacing: 2px;
    color: #EC530A;
}


.newCourse {
    margin-top: 30px;
}

    .newCourse > h2, .newCourse > h2 a {
        font-size: 1.2rem;
        text-indent: 6px;
    }

.newCourseList > li {
    padding: 10px 6px;
    border-bottom: solid 1px #EDEDED;
}

    .newCourseList > li > a > span {
        margin-right: 15px;
        font-size: 0.9rem;
    }

        .newCourseList > li > a > span:first-child {
            margin-right: 5px;
        }

.courseMenus > li, .moreTeacher {
    font-size: 1.1rem;
    margin-top: 20px;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

    .moreTeacher > a {
        letter-spacing: 2px;
        color: #2AA3FB;
        font-size: 1.2rem;
    }

 




aside {
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    -webkit-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    -moz-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
}







.course-list li:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.course-list {
    display: -webkit-flex;
    display: flex;
    gap: 2rem;
    width: 800px;
    margin: 0 auto;
    flex-wrap: wrap;
}

    .course-list > li {
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
        border-radius: 10px 10px 0 0;
        padding: 10px;
    }

.courseMessage {
    display: grid;
    grid-template-columns: repeat(12,1fr);
    grid-template-rows: repeat(12,1fr);
    gap: 1rem;
    height: 180px;
    width: 100%;
}

.course-img {
    grid-column: 1 / span 5;
    grid-row: 1 / span 12;
}

    .course-img img {
        width: 100%;
        height: 100%;
        border-radius: 10px 10px 0 0;
    }

.main-content h1 {
    font-size: 18px;
   margin-bottom:20px;
}

.main-content h1, .feature, .tags {
    grid-column: 6 / span 7;
    grid-row: 1 / span 3;
    display: -webkit-flex;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}

.feature {
    grid-row: 4 / span 7;
}

    .feature > p {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        letter-spacing: 2px;
        margin: 5px;
    }

    .feature span {
        color: Blue;
    }

.tags {
    grid-row: 11 / span 2;
}



    .tags > span {
        color: #2ABEEE;
    }

        .tags > span:nth-child(2) {
            color: #008890;
        }

        .tags > span:nth-child(3) {
            color: #999936;
        }


.courseTip {
    padding-top: 10px;
}

    .courseTip > a, .courseTip > span {
        margin-left: 20px;
    }

 



/*老师*/
.teachers {
    padding: 20px 0;
    text-align: center;
}

.teachers-list {
    justify-content: space-around;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    padding: 0;
    margin: 0 auto;
    gap: 10px;
}

    .teachers-list li {
        margin: 5px auto;
        background-color: white;
        box-sizing: border-box;
        border-radius: 8px;
        width: 48%;
        padding: 6px;
        box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
        -webkit-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
        -moz-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    }



        .teachers-list li > a > figure {
            width: 100%;
            padding: 2px;
            display: flex;
            justify-content: center;
            /* 水平居中 */
            align-items: center;
            height: auto;
            flex-wrap: nowrap;
            gap: 20px;
        }



            .teachers-list li > a > figure img {
                height: 200px;
                /* 确保图像不会超出容器 */
                max-width: 100%;
                width: auto;
                /* 保持图像比例 */

                border-radius: 50%;
                max-width: 30%;
            }



.teacher-feature {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* 水平居中 */
    align-items: center;
    height: 100px;
}

.teacher-image-caption {
    width: 100%;
}

    .teacher-image-caption h3 {
        font-size: 1.4rem;
        color: Blue;
    }


.teacher-tags {
    justify-content: space-around;
    list-style: none;
    display: flex;
    min-height: 50px;
    gap: 10px;
    flex-wrap: wrap;
 
}

    .teacher-tags span {
        text-align: center;
        text-indent: 0;
        font-size: 1rem;
        width: 47%;
    }


.teacherNoImg .teacher-tags span {
    width: auto;
}

.teacher-tags > span:nth-child(1) {
    color: #BFD4FF;
}

.teacher-tags > span:nth-child(2) {
    color: #88FF88;
}

.teacher-tags > span:nth-child(3) {
    color: #20C1FF;
}

.teacher-tags > span:nth-child(4) {
    color: #20FF20;
}


.teacherNoImg h3 > span {
    display: inline-block;
    width: 100%;
    text-align: left;
}

    .teacherNoImg h3 > span:last-child {
        font-size: 1.1rem;
        color: #00FFFF;
        margin:10px auto;
    }



.teacher-feature span {
    text-align: left;
    width: 100%;
    text-indent: 0;
    font-size: 1.1rem;
    color: #8D8D95;
}









.studentComment ul li {
    width: 100%;
    padding-left: 5px;
    min-height: 39px;
    min-line-height: 39px;
    padding-top: 10px;
}

    .studentComment ul li a {
        width: 50%;
        font-size: 1.4rem;
        justify-content: space-between;
        list-style: none;
        display: flex;
        position: relative;
    }

        .studentComment ul li a span {
            width: 75%;
            margin-left: 10px;
            display: inline-block;
        }

.studentComment ul > li:not(:last-child) {
    border-bottom: dashed 1px #DCDCDC;
}

.studentComment ul > li:hover {
    background-color: #D3FFB3;
}

.studentComment ul > li > a:before {
    top: 10px;
    position: absolute;
    border-left: solid 5px #20C1FF;
    content: "";
    border-top: solid 5px transparent;
    border-bottom: solid 5px transparent;
    z-index: 99;
}

.studentComment ul > li > a:hover:before {
    border-left: solid 5px red;
}

.studentComment ul > li > a:hover:before {
    border-left: solid 5px red;
}







/* 核心重点样式：突出关键信息 */
.core-focus {
    color: #666;
    font-size: 15px;
    margin: 10px 0 20px;
    text-indent: 0;
    padding: 12px 20px;
    background-color: #f8fafc;
    border-left: 4px solid #3498db;
    border-radius: 4px;
}
/* 模块分块：避免文字堆砌 */
.faq-section, .base-info, .teachers, .catalogue-item, .advantage-item, .teacher-item, .footer {
    border-radius: 10px;
    padding: 12px;
    margin: 20px auto;
    box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    -webkit-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
    -moz-box-shadow: 0px 0px 15px 0px rgba(0,0,0,0.1);
}







 

/*底部内容-1  */
footer {
    min-height: 10px;
}