.cont_2_c_r_ti{
        background-image: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0)), url('./static/images/bg123.png');
        background-repeat: no-repeat;
            background-size: contain;
            background-position: 93%;
    }
    .swiper2_wrapper_c{overflow: hidden;}
    /* cont_4-container样式 */
        .cont_4-container {
            background-color: #fff;
            padding: 40px 10px;
            margin-top: 40px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .cont_4-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .cont_4-title {
            font-size: 28px;
            font-weight: bold;
            color: #333;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
   
        
        .cont_4-desc {
            font-size: 16px;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .cont_4-content {
            display: flex;
            max-width: 1280px;
            margin: 0 auto;
            gap: 30px;
        }
        
        /* 左边城市列表样式 */
        .cont_4-left {
            flex: 0 0 200px;
        }
        
        .city-list {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 10px 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            height: 360px; /* 固定高度 */
            display: flex;
            flex-direction: column;
        }
        
        .city-item {
            padding: 14px 20px;
            font-size: 16px;
            color: #333;
            border-bottom: 1px solid #e9ecef;
            cursor: pointer;
            transition: all 0.3s;
            flex: 1;
            display: flex;
            align-items: center;
        }
        
        .city-item:last-child {
            border-bottom: none;
        }
        
        .city-item:hover {
            background-color: #e74c3c;
            color: white;
        }
        
        .city-item.active {
            background-color: #e74c3c;
            color: white;
            font-weight: bold;
        }
        
        /* 右边新闻列表样式 */
        .cont_4-right {
            flex: 1;
        }
        
        .news-columns {
            display: flex;
            gap: 30px;
        }
        
        .news-column {
            flex: 1;
        }
        
        .news-item {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: all 0.3s;
            position: relative;
            cursor: pointer;
        }
        
        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 10px;
        }
        
        .news-title {
            font-size: 16px;
            font-weight: bold;
            color: #333;
            line-height: 1.4;
            margin: 0;
            flex: 1;
            margin-right: 10px;
        }
        
        .news-date {
            font-size: 12px;
            color: #999;
            white-space: nowrap;
        }
        
        .news-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
            margin: 0;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
       
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .cont_4-content {
                flex-direction: column;
            }
            
            .cont_4-left {
                flex: none;
                width: 100%;
            }
            
            .city-list {
                height: auto;
                flex-direction: row;
                flex-wrap: wrap;
            }
            
            .city-item {
                flex: 0 0 calc(50% - 10px);
                margin: 5px;
                border-radius: 4px;
            }
            
            .news-columns {
                flex-direction: column;
            }
            
            .cont_4-title {
                font-size: 24px;
            }
        }
        
        @media (max-width: 480px) {
            .city-item {
                flex: 0 0 100%;
            }
        }

        .news-title-wrapper {
    display: flex;
    align-items: center;
    flex: 1;
    margin-right: 10px;
}

.news-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    line-height: 1.4;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-hot {
    width: 30px;
  
    flex-shrink: 0;
}
 

 
    /* cont_5-container样式 - 学吖名师资质 */
    .cont_5-container {
        /* background-color: #fff; */
        padding: 40px 10px;
        margin-top: 40px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    
    .cont_5-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .cont_5-title {
        font-size: 28px;
        font-weight: bold;
        color: #333;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }
    
 
    
    .cont_5-desc {
        font-size: 16px;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
    }
    
    .teachers-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 20px;
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .teacher-card {
        background: #fff;
        border-radius: 8px;
        overflow: visible;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        position: relative;
        cursor: pointer;
        height: 388px; /* 进一步提高高度 */
    }
    
    .teacher-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        z-index: 100;
    }
    
    .teacher-image {
        width: 100%;
        height: 100%; /* 图片占满整个元素 */
        overflow: hidden;
        position: relative;
        border-radius: 8px;
    }
    
    .teacher-image::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        z-index: 1;
        opacity: 0.7;
        transition: opacity 0.3s ease; /* 添加过渡效果 */
    }
    
    .teacher-card:hover .teacher-image::before {
        opacity: 0.4; /* 鼠标移入时遮罩变浅，图片变亮 */
    }
    
    .teacher-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: all 0.3s ease;
        filter: brightness(0.8); /* 默认图片稍暗 */
    }
    
    .teacher-card:hover .teacher-image img {
        transform: scale(1.05);
        filter: brightness(1.1); /* 鼠标移入时图片变亮 */
    }
    
    .teacher-content {
        background: rgba(128, 128, 128, 0.8);
        color: white;
        padding: 15px 10px;
        text-align: center;
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        z-index: 2;
        border-radius: 0 0 8px 8px;
    }
    
    .teacher-name-bottom {
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 5px;
        color: white;
    }
    
    .teacher-subject {
        font-size: 13px;
        color: #f8f9fa;
        margin: 0;
        opacity: 0.9;
    }
    
    .teacher-overlay {
        position: absolute;
        top: 0;
        left: 96%;
        width: 320px;
        height: 100%;
        background: #e74c3c;
        color: white;
        padding: 25px;
        box-sizing: border-box;
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
        z-index: 1000;
        box-shadow: 5px 0 15px rgba(0,0,0,0.3);
        border-radius: 0 8px 8px 0;
        pointer-events: none;
    }
    
    /* 右侧两个老师的悬浮框在左侧显示 */
    .teacher-card[data-position="right"] .teacher-overlay {
        left: auto;
        right: 96%;
        transform: translateX(20px);
        border-radius: 8px 0 0 8px;
        box-shadow: -5px 0 15px rgba(0,0,0,0.3);
    }
    
    .teacher-card:hover .teacher-overlay {
        opacity: 1;
        transform: translateX(0);
        pointer-events: auto;
    }
    
    .teacher-card[data-position="right"]:hover .teacher-overlay {
        transform: translateX(0);
    }
    
    .teacher-info {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .teacher-name {
        font-size: 22px;
        font-weight: bold;
        margin-bottom: 15px;
        color: white;
        text-align: center;
    }
    
    .teacher-details {
        margin-bottom: 20px;
        flex: 1;
        overflow-y: auto; /* 添加滚动条以防内容过多 */
    }
    
    .teacher-experience,
    .teacher-courses,
    .teacher-intro {
        margin-bottom: 8px;
        font-size: 13px;
        line-height: 1.4;
    }
    
    .teacher-courses{margin-bottom: 15px;border-bottom: 1px solid #FFF;padding-bottom: 10px;}
    
    .teacher-tags {
        display: flex;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .teacher-tag {
        background: rgba(255,255,255,0.2);
        color: white;
        padding: 4px 12px;
        border-radius: 15px;
        font-size: 12px;
        border: 1px solid rgba(255,255,255,0.3);
    }
    
    /* 响应式调整 */
    @media (max-width: 1400px) {
        .teachers-grid {
            grid-template-columns: repeat(4, 1fr);
        }
        
        /* 在较小屏幕上重新设置悬浮框位置 */
        .teacher-card[data-position="right"] .teacher-overlay {
            left: 100%;
            right: auto;
            transform: translateX(-20px);
            border-radius: 0 8px 8px 0;
            box-shadow: 5px 0 15px rgba(0,0,0,0.3);
        }
    }
    
    @media (max-width: 1200px) {
        .teachers-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .teacher-overlay {
            width: 280px;
        }
    }
    
    @media (max-width: 768px) {
        .teachers-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .cont_5-title {
            font-size: 24px;
        }
        
        .teacher-card {
            height: 300px;
        }
        
        .teacher-overlay {
            width: 250px;
            padding: 20px;
        }
        
        .teacher-name {
            font-size: 20px;
        }
        
        .teacher-experience,
        .teacher-courses,
        .teacher-intro {
            font-size: 12px;
        }
    }
    
    @media (max-width: 480px) {
        .teachers-grid {
            grid-template-columns: 1fr;
            gap: 15px;
        }
        
        .teacher-card {
            height: 280px;
        }
        
        .teacher-overlay {
            position: relative;
            left: 0 !important;
            right: auto !important;
            width: 100%;
            height: auto;
            opacity: 1;
            transform: none !important;
            border-radius: 0 0 8px 8px;
            display: none;
            margin-top: 0;
        }
        
        .teacher-card:hover .teacher-overlay {
            display: block;
        }
    }
 
 
    /* cont_6-container样式 - 个性化辅导团队 */
    .cont_6-container {
        background-color: #fff;
        padding: 40px 10px;
        margin-top: 40px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    
    .cont_6-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .cont_6-title {
        font-size: 28px;
        font-weight: bold;
        color: #333;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }
    
 
    
    .cont_6-desc {
        font-size: 16px;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
    }
    
    .cont_6-content {
        display: flex;
        max-width: 1400px;
        margin: 0 auto;
        gap: 40px;
    }
    
    /* 左侧内容样式 */
    .cont_6-left {
        flex: 0 0 45%; /* 左侧内容窄一点 */
    }
    
    .features-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .features-column {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    
    .feature-item {
        background: #f8f9fa;
        border-radius: 8px;
        padding: 20px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        border: 1px solid #e9ecef; /* 添加边框 */
    }
    
    .feature-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.15);
        border-color: #e74c3c; /* 悬停时边框变色 */
    }
    
    .feature-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 12px;
    }
    
    .feature-icon {
        width: 24px;
        height: 24px;
        object-fit: contain;
    }
    
    .feature-title {
        font-size: 16px;
        font-weight: bold;
        color: #333;
    }
    
    .feature-line {
        height: 1px;
        background: #e9ecef;
        margin-bottom: 12px;
    }
    
    .feature-desc {
        font-size: 14px;
        color: #666;
        line-height: 1.5;
        margin: 0;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    
    /* 右侧内容样式 */
    .cont_6-right {
        flex: 1;
    }
    
    .teacher-profile {
        background: #e74c3c; /* 红色背景 */
        border-radius: 12px;
        padding: 30px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        display: flex;
        gap: 25px;
        height: 100%;
        color: white; /* 白色字体 */
    }
    
    .teacher-info-left {
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    
    .teacher-name {
        font-size: 24px;
        font-weight: bold;
        color: white;
        margin-bottom: 15px;
    }
    
    .teacher-meta {
        margin-bottom: 20px;
        position: relative;
    }
    
    .teacher-subject,
    .teacher-experience {
        font-size: 14px;
        color: white;
        margin-bottom: 8px;
        line-height: 1.4;
        opacity: 0.9;
    }
    
    .experience-line {
        height: 1px;
        background: white; /* 白色线 */
        margin: 12px 0;
        opacity: 0.3;
    }
    
    .teacher-introduction {
        flex: 1;
        margin-bottom: 20px;
    }
    
    .teacher-introduction p {
        font-size: 13px;
        color: white;
        line-height: 1.5;
        margin-bottom: 8px;
        opacity: 0.9;
    }
    
    .teacher-tags {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }
    .teacher-info-left .teacher-tags {
        justify-content: inherit;
    }
    .teacher-tag {
        background: rgba(255,255,255,0.2);
        color: white;
        padding: 6px 12px;
        border-radius: 15px;
        font-size: 12px;
        font-weight: 500;
        border: 1px solid rgba(255,255,255,0.3);
    }
    
    .teacher-image-right {
        flex: 0 0 30%; /* 占满右侧60% */
    }
    
    .teacher-image-right img {
        width: 100%;
        height: 100%;
        object-fit: cover; /* 确保图片不变形 */
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    
    /* cont_7-container样式 - 学习地图 */
    .cont_7-container {
        padding: 40px 10px;
        margin-top: 40px;
        /* 无背景色 */
    }
    
    .cont_7-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .cont_7-title {
        font-size: 28px;
        font-weight: bold;
        color: #333;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }
    
 
    
    .cont_7-desc {
        font-size: 16px;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
    }
    
    .cont_7-content {
        /* max-width: 1200px; */
        margin: 0 auto;
    }
    
    .learning-map {
        width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    /* 响应式调整 */
    @media (max-width: 1200px) {
        .cont_6-content {
            flex-direction: column;
            gap: 30px;
        }
        
        .cont_6-left {
            flex: none;
            width: 100%;
        }
        
        .teacher-profile {
            max-width: 100%;
        }
        
        .teacher-image-right {
            flex: 0 0 50%;
        }
    }
    
    @media (max-width: 768px) {
        .features-grid {
            grid-template-columns: 1fr;
            gap: 15px;
        }
        
        .cont_6-title,
        .cont_7-title {
            font-size: 24px;
        }
        
        .teacher-profile {
            flex-direction: column-reverse;
            padding: 20px;
        }
        
        .teacher-image-right {
            flex: none;
            height: 200px;
            margin-bottom: 20px;
        }
        
        .feature-item {
            padding: 15px;
        }
        
        .feature-header {
            gap: 10px;
        }
        
        .feature-icon {
            width: 20px;
            height: 20px;
        }
        
        .feature-title {
            font-size: 15px;
        }
        
        .feature-desc {
            font-size: 13px;
        }
        
        .learning-map {
            border-radius: 6px;
        }
    }
    
    @media (max-width: 480px) {
        .cont_6-container,
        .cont_7-container {
            padding: 30px 10px;
        }
        
        .teacher-profile {
            padding: 15px;
        }
        
        .teacher-name {
            font-size: 20px;
        }
        
        .teacher-introduction p {
            font-size: 12px;
        }
        
        .feature-item {
            padding: 12px;
        }
    }
 .feature-item:hover{cursor: pointer;color: #FFF;background: #e74c3c;}
  .feature-item:hover .feature-title,  .feature-item:hover .feature-desc{color: #FFF;}


  
    /* cont_8-container样式 - 关于企业 */
    .cont_8-container {
        background-color: #fff;
        padding: 40px 10px;
        margin-top: 40px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }
    
    .cont_8-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .cont_8-title {
        font-size: 28px;
        font-weight: bold;
        color: #333;
        margin-bottom: 10px;
        position: relative;
        display: inline-block;
    }
    
    .cont_8-title::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background-color: #e74c3c;
    }
    
    .cont_8-desc {
        font-size: 16px;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
    }
    
    .cont_8-content {
        display: flex;
        max-width: 1200px;
        margin: 0 auto;
        gap: 40px;
        align-items: center;
    }
    
    /* 左侧内容样式 */
    .cont_8-left {
        flex: 1;
    }
    
    .company-intro {
        background: #f8f9fa;
        border-radius: 8px;
        padding: 30px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .company-title {
        font-size: 22px;
        font-weight: bold;
        color: #333;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .company-desc p {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
        margin-bottom: 12px;
        text-align: justify;
    }
    
    /* 右侧地图样式 */
    .cont_8-right {
        flex: 1;
    }
    
    .china-map {
        background: #f8f9fa;
        border-radius: 8px;
        padding: 30px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        text-align: center;
    }
    
    .map-container {
        width: 100%;
        height: 400px;
        position: relative;
        margin-bottom: 20px;
    }
    
    .map-svg {
        width: 100%;
        height: 100%;
    }
    
    .province {
        fill: #e9ecef;
        stroke: #fff;
        stroke-width: 1;
        transition: all 0.3s ease;
        cursor: pointer;
    }
    
    .province:hover {
        fill: #d0d7de;
        stroke-width: 2;
    }
    
    .province.selected {
        fill: #e74c3c;
        stroke: #c0392b;
        stroke-width: 2;
    }
    
    .province-label {
        font-size: 12px;
        fill: #666;
        pointer-events: none;
        text-anchor: middle;
    }
    
    .map-legend {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 15px;
    }
    
    .legend-item {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .legend-color {
        width: 16px;
        height: 16px;
        border-radius: 3px;
    }
    
    .legend-color.selected {
        background: #e74c3c;
    }
    
    .legend-color.normal {
        background: #e9ecef;
    }
    
    .legend-text {
        font-size: 12px;
        color: #666;
    }
    
    /* cont_9-container样式 - 合作企业 */
    .cont_9-container {
        padding: 40px 10px;
        margin-top: 40px;
        /* 无背景色，无阴影 */
    }
    
    .cont_9-header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .cont_9-title {
        font-size: 28px;
        font-weight: bold;
        color: #333;
        margin-bottom: 10px;
        /* 去掉伪元素下划线 */
    }
    
    .cont_9-desc {
        font-size: 16px;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
    }
    
    .partners-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 25px;
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .partner-item {
        background: #f8f9fa;
        border-radius: 8px;
        padding: 25px 15px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .partner-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        cursor: pointer;
    }
    
    .partner-logo {
 
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        letter-spacing: 1px;
    }
    
    .partner-logo img {
        max-width: 100%;
        max-height: 50px;
        object-fit: contain;
    }
    
    .partner-desc {
        font-size: 11px; /* 调小字体 */
        color: #666;
        line-height: 1.5;
        text-align: center;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        flex: 1;
        letter-spacing: 0.5px; /* 增加字间距 */
    }
    
    /* 响应式调整 */
    @media (max-width: 1200px) {
        .cont_8-content {
            flex-direction: column;
            gap: 30px;
        }
        
        .partners-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        .map-container {
            height: 350px;
        }
    }
    
    @media (max-width: 768px) {
        .cont_8-title,
        .cont_9-title {
            font-size: 24px;
        }
        
        .company-intro {
            padding: 20px;
        }
        
        .china-map {
            padding: 20px;
        }
        
        .map-container {
            height: 300px;
        }
        
        .partners-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .partner-item {
            padding: 20px 12px;
        }
        
        .partner-logo {
            height: 50px;
            margin-bottom: 15px;
        }
        
        .partner-logo img {
            max-height: 40px;
        }
        
        .partner-desc {
            font-size: 10px;
        }
    }
    
    @media (max-width: 480px) {
        .cont_8-container {
            padding: 30px 10px;
        }
        
        .cont_9-container {
            padding: 30px 10px;
        }
        
        .partners-grid {
            grid-template-columns: 1fr;
            gap: 15px;
        }
        
        .company-desc p {
            font-size: 13px;
        }
        
        .map-container {
            height: 250px;
        }
    }