.main-body.aifuwu1 {
    padding: 50px 0;
    background-color: #f5f9fe;
}

.main-body.aifuwu1 .default {
    margin-bottom: 60px;
}

.main-body.aifuwu1 .column1 {
    text-align: center;
    margin-bottom: 40px;
}

.main-body.aifuwu1 .column1 p {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.main-body.aifuwu1 .column1 span {
    font-size: 16px;
    color: #666;
    display: block;
}

/* 模块一：AI产品体系 */
.main-body.aifuwu1 .modular1 .c2 {
    margin-bottom: 30px;
}

.main-body.aifuwu1 .modular1 .t1 {
    background-color: #0088ff;
    color: #fff;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    padding: 15px 0;
    border-radius: 5px;
}

.main-body.aifuwu1 .modular1 .c1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
}

.main-body.aifuwu1 .modular1 .c1 .li {
    width: calc(33.33% - 20px);
    background-color: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.main-body.aifuwu1 .modular1 .c1 .li h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.main-body.aifuwu1 .modular1 .c1 .li .ico {
    margin: 15px 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-body.aifuwu1 .modular1 .c1 .li .ico img {
    max-height: 60px;
}

.main-body.aifuwu1 .modular1 .c1 .li p {
    font-size: 14px;
    color: #666;
}

/* 模块二：AI+学习的起点 */
.main-body.aifuwu1 .modular2 .img {
    text-align: center;
}

.main-body.aifuwu1 .modular2 .img img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* 模块三：AI+学习的应用场景 */
.main-body.aifuwu1 .scene-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.main-body.aifuwu1 .scene-item {
    width: calc(25% - 15px);
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.main-body.aifuwu1 .scene-title {
    background-color: #4a90e2;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.main-body.aifuwu1 .scene-content {
    padding: 10px;
}

.main-body.aifuwu1 .scene-row {
    margin-bottom: 5px;
}

.main-body.aifuwu1 .scene-cell {
    background-color: #f5f5f5;
    padding: 10px;
    text-align: center;
    font-size: 14px;
    color: #333;
    border-radius: 3px;
}

.main-body.aifuwu1 .ai-levels {
    display: flex;
    justify-content: space-between;
    max-width: 400px;
    margin: 0 auto;
}

.main-body.aifuwu1 .ai-level-item {
    width: 45%;
    background-color: #0088ff;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
}

/* 模块四：业务实施方案 */
.main-body.aifuwu1 .implementation-container {
    display: flex;
    justify-content: space-between;
}

.main-body.aifuwu1 .implementation-item {
    width: calc(33.33% - 20px);
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.main-body.aifuwu1 .implementation-title {
    background-color: #4a90e2;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    font-size: 18px;
    font-weight: bold;
}

.main-body.aifuwu1 .implementation-content {
    padding: 20px;
}

.main-body.aifuwu1 .implementation-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.main-body.aifuwu1 .implementation-row img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.main-body.aifuwu1 .implementation-row p {
    font-size: 14px;
    color: #333;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .main-body.aifuwu1 .modular1 .c1 .li {
        width: calc(50% - 10px);
    }
    
    .main-body.aifuwu1 .scene-container {
        flex-wrap: wrap;
    }
    
    .main-body.aifuwu1 .scene-item {
        width: calc(50% - 10px);
        margin-bottom: 20px;
    }
    
    .main-body.aifuwu1 .implementation-container {
        flex-wrap: wrap;
    }
    
    .main-body.aifuwu1 .implementation-item {
        width: 100%;
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 480px) {
    .main-body.aifuwu1 .modular1 .c1 .li {
        width: 100%;
    }
    
    .main-body.aifuwu1 .scene-item {
        width: 100%;
    }
}

/* AI学习内容样式 */
.main-body.aibx-content {
    padding: 50px 0 0 0;
    background-color: #f5f9fe;
}

/* 通用部分 */
.section {
    
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: normal;
    color: #333;
    margin-bottom: 10px;
}

.section-title p {
    margin-top: 18px;
    font-size: 18px;
    color: #666;
}

/* 课程管理模块 */
.course-management {
    max-width: 1200px;
    margin: 0 auto;
}

.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 20px;
}

.feature-item {
    width: calc(33.33% - 20px);
    background-color: #f5f8fe;
    border-radius: 3px;
    border: 1px dashed #97c3f8;
    padding: 35px 5px 25px 5px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.feature-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-name {
    text-align: center;
    font-size: 18px;
    color: #333333;
    margin: 30px auto 0 auto;
    width: 85%;
}

.feature-tabs {
    display: flex;
    justify-content: left;
    flex-wrap: wrap;
    background-color: #fff;
    padding: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    border: 1px solid #7cd3fe;
}

.feature-tabs .tab {
    padding: 8px 15px;
    margin: 0 5px;
    font-size: 14px;
    color: #000;
    cursor: default;
    background-color: #e9f4fe;
    border: 1px solid #7cd3fe;
}

.feature-tabs .tab.active {
    background-color: #FFF;
    color: #000;
    border: none;
}

/* AI助教模块 */
.ai-teaching-assistant {
    max-width: 1200px;
    margin: 0 auto;
}

.teaching-assistant-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.assistant-item {
    width: 35%;
}

.assistant-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.assistant-mobile {
    width: 20%;
    text-align: center;
}

.assistant-mobile img {
    height: 320px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
}

.assistant-features {
    display: flex;
    justify-content: space-between;
}

.feature-box {
    width: calc(33.33% - 20px);
    display: flex;
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.feature-number {
    width: 30px;
    height: 30px;
    background-color: #4a90e2;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.feature-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* AI播报模块 */
.ai-broadcasting {
    max-width: 1200px;
    margin: 0 auto;
}

.broadcasting-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 85px 0 0 0;
}

.broadcasting-left, .broadcasting-right {
    width: 25%;
}

.broadcasting-center {
    width: 45%;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.mobile-preview {
    width: calc(33.33% - 10px);
}

.mobile-preview img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

.file-icon {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.file-icon img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.file-icon p {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.file-description p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    background-color: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

/* 随堂练习模块 */
.classroom-practice {
    padding: 60px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.practice-left, .practice-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.practice-button {
    margin-bottom: 20px;
    padding: 12px 30px;
    font-size: 18px;
    font-weight: bold;
    background-color: #409EFF;
    border-color: #409EFF;
}

.practice-desc {
    margin-bottom: 30px;
}

.practice-desc p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.practice-img-container {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.practice-img-container img {
    width: 100%;
    height: auto;
    display: block;
}

@media screen and (max-width: 768px) {
    .practice-left, .practice-right {
        margin-bottom: 40px;
    }
    
    .practice-button {
        font-size: 16px;
        padding: 10px 20px;
    }
    
    .practice-desc p {
        font-size: 14px;
    }
}

/* 智能考试模块 */
.intelligent-exam {
    max-width: 1200px;
    margin: 0 auto;
}

.exam-features {
    display: flex;
    justify-content: space-between;
}

.exam-feature-item {
    width: calc(33.33% - 20px);
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    text-align: center;
}

.exam-feature-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.feature-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 15px 0 10px;
}

.exam-feature-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    padding: 0 15px 20px;
}

/* 响应式调整 */
@media screen and (max-width: 992px) {
    .feature-item {
        width: calc(50% - 15px);
    }
    
    .teaching-assistant-content {
        flex-direction: column;
    }
    
    .assistant-item, .assistant-mobile {
        width: 80%;
        margin-bottom: 20px;
    }
    
    .assistant-features {
        flex-direction: column;
    }
    
    .feature-box {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .broadcasting-content {
        flex-direction: column;
        margin: 85px 0;
    }
    
    .broadcasting-left, .broadcasting-center, .broadcasting-right {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .exam-features {
        flex-direction: column;
    }
    
    .exam-feature-item {
        width: 100%;
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 768px) {
    .feature-item {
        width: 100%;
    }
    
    .practice-content {
        flex-direction: column;
    }
    
    .practice-option {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .practice-preview {
        flex-direction: column;
    }
    
    .preview-item {
        width: 100%;
        margin-bottom: 15px;
    }
}

/* 背景容器 */
.section-bg {
    width: 100%;

}

.bg-white {
    background-color: #ffffff;
    padding: 85px 0;
}

.bg-blue {
    background-color: #f5f8fe;
    padding: 85px 0;
}

/* 赋能考试模块 */
.znks-item-button {
    width: 188px;
    font-size: 18px;
    text-align: center;
    margin: 15px auto;
    display: block;
}

.znks-item p {
    font-size: 14px;
    color: #737374;
    line-height: 1.5;
    width: 80%;
    margin: 0 auto;
}

/* 随堂练习模块 */
.stlx-button {
    margin: 10px auto 15px auto; 
    width: 188px; 
    font-size: 18px;
    display: block;
}

.stlx-div-content {
    width: 100%; 
    text-align: center; 
    padding: 5px; 
    font-size: 16px; 
    color: #666; 
}

.stlx-div-content p {
    line-height: 2;
}

/* AI助教展示区域 */
.ai-assistant-showcase {
    margin: 85px 0;
    background-color: #e9f3fc;
    padding: 15px;
    border: 1px solid #d9d9d9;
}

/* 步骤标题 */
.stepTitle {
    padding: 15px 20px;
    margin-top: 10px;
    width: 310px;
}

/* Element UI 自定义样式 */
.el-row-custom {
    max-width: 1200px;
    margin: 0 auto !important;
}

.el-col-left, .el-col-right {
    height: 100%;
}

.el-card {
    border: 1px solid #e1e4e8;
    border-radius: 10px;
    overflow: hidden;
}

.course-panel-card, .qa-panel-card, .exercise-panel-card {
    height: 100%;
}

.image {
    width: 100%;
    display: block;
    object-fit: cover;
    height: 478px;
}

/* 特性标签 */
.feature-tabs .tab {
    flex: 1; 
    text-align: center;
}

/* 练习预览 */
.practice-preview {
    margin: 85px 0 0 0;
    padding: 30px 10px;
    background-color: #e9f3fc;
}

/* AI助教展示区域图片 */
.ai-showcase-img {
    height: 478px; 
    width: 100%; 
    object-fit: contain;
}

/* AI管理图片 */
.admin-img {
    margin-top: 20px;
}

/* 检查图标 */
.check-icon {
    margin-top: 20px;
}