/* AIBlock 大模型交互套件 产品详情页样式 */

/* Banner 样式 */
.aiblock_large_model_banner {
    width: 100%;
    overflow: hidden;
}

.aiblock_large_model_banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* 内容区域 */
.aiblock_large_model_content {
    width: 100%;
    background-color: #fff;
}

/* Section 1 样式 */
.aiblock_large_model_section_1 {
    width: 100%;
    overflow: hidden;
}

.large_model-section1-image-container {
    position: relative;
    width: 100%;
}

.large_model-section1-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-section1-text-overlay {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
}

.large_model-section1-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.large_model-section1-subtitle {
    font-size: 24px;
    font-weight: 300;
    line-height: 1.6;
    opacity: 0.95;
}

/* Section 2 样式 */
.aiblock_large_model_section_2 {
    width: 100%;
    overflow: hidden;
}

.large_model-section2-image-container {
    position: relative;
    width: 100%;
}

.large_model-section2-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-section2-text-overlay {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #ffffff;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
}

.large_model-section2-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.large_model-section2-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.95;
}

/* Features 样式 - 文字在左侧 */
.aiblock_large_model_features {
    width: 100%;
    overflow: hidden;
}

.large_model-features-image-container {
    position: relative;
    width: 100%;
}

.large_model-features-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-features-text-overlay {
    position: absolute;
    top: 30%;
    left: 15%;
    color: #fff;
    z-index: 2;
    width: 45%;
    max-width: 600px;
}

.large_model-features-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 15px;
    line-height: 1.2;
}

.large_model-features-subtitle {
    font-size: 27px;
    font-weight: 300;
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: 40px;
}

.large_model-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px 30px;
}

.large_model-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 5px;
}

.large_model-feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: #b26203;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-top: 2px;
}

.large_model-feature-content {
    flex: 1;
}

.large_model-feature-title {
    font-size: 30px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.3;
}

.large_model-feature-desc {
    font-size: 19px;
    color: #fff;
    line-height: 1.6;
    opacity: 0.85;
    margin: 0;
    font-weight: 300;
}

/* 轮播 Section 样式 (from aiblock_ai_interaction) */
.aiblock_ai_interaction_carousel_section {
    width: 100%;
    background-color: #F6F6F6;
    padding: 160px 50px;
}

.ai_interaction-carousel-header {
    text-align: center;
    margin-bottom: 60px;
}

.ai_interaction-carousel-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #3f3f3f;
}

.ai_interaction-carousel-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.95;
    color: #666;
}

.ai_interaction-carousel-content {
    /* max-width: 1334px; */
    margin: 0 auto;
}

.carousel-tabs {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.ai_interaction-carousel-image-container {
    position: relative;
    width: 51.6%;
    border-radius: 20px;
    margin-bottom: 40px;
}

.ai_interaction-carousel-item {
    position: relative;
    flex: 0 0 100%;
    width: 100%;
}

.ai_interaction-carousel-floating-description {
    position: absolute;
    top: 25%;
    left: 20%;
    z-index: 10;
    width: 40%;
    max-width: 800px;
    border-left: 2px solid #E6781F;
    padding-left: 20px;
}

.carousel-head {
    font-size: 30px;
    color: #ffffff;
    font-weight: bold;
    margin: 0 0 15px 0;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.carousel-body {
    font-size: 16px;
    color: #ffffff;
    font-weight: 400;
    margin: 0;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.3);
    line-height: 1.5;
    opacity: 0.95;
}

/* Card-based hover effect styles */
.ai_interaction-carousel-cards-row {
    display: flex;
    gap: 11px;
    width: 100%;
    box-sizing: border-box;
    /* padding: 12px 0 180px; */
}

.ai_interaction-carousel-card {
    position: relative;
    height: 900px;
    overflow: hidden;
    transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    flex: 1;
    cursor: pointer;
}

.ai_interaction-carousel-card img {
    width: 100%;
    height: 90%;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: object-fit 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai_interaction-carousel-card.is-active {
    flex: 0 0 51.6%;
}

.ai_interaction-carousel-label {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    width: min(50%, 550px);
    z-index: 2;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    transition: all 0.3s ease;
    opacity: 0;
}


.ai_interaction-carousel-card.is-active .ai_interaction-carousel-label {
    left: 32%;
    top: 18%;
    padding-left: 16px;
    opacity: 1;
}

.ai_interaction-carousel-card.is-active .ai_interaction-carousel-label::before {
    content: '';
    position: absolute;
    left: -2%;
    top: 10px;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #EF6C00 0%, rgba(239, 108, 0, 0.5) 60%, transparent 100%);
}

.ai_interaction-carousel-label-title {
    color: #fff;
    font-size: 34px;
    font-weight: 500;
    transition: all 0.3s ease;
    line-height: 1.3;
}

.ai_interaction-carousel-label-desc {
    color: rgba(255, 255, 255, .9);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    margin-top: 0;
    margin: 0 125px 0 0;
}

.ai_interaction-carousel-card.is-active .ai_interaction-carousel-label-desc {
    margin: 0 0 0 0;
}

@media (max-width: 1920px) {
    .ai_interaction-carousel-card {
        height: 540px;
    }
    
    .ai_interaction-carousel-card.is-active .ai_interaction-carousel-label {
        left: 40%;
    }
}

@media (max-width: 1024px) {
    .ai_interaction-carousel-card {
        height: 240px;
    }
}

@media (max-width: 768px) {
    .ai_interaction-carousel-card {
        height: 200px;
        border-radius: 10px;
    }
}

.ai_interaction-carousel-description {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    min-height: 60px;
    gap: 30px;
    max-width: 1334px;
    width: 51.6%;
    margin: 0 auto 30px;
}

.carousel-description-texts {
    flex: 1;
    text-align: center;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-description-text {
    font-size: 24px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    opacity: 0;
    display: none;
    transition: opacity 0.3s ease;
}

.carousel-description-text.active {
    opacity: 1;
    display: block;
}

.ai_interaction-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    max-width: 1334px;
    margin: 0 auto;
}

.ai_interaction-carousel-track {
    display: flex;
    transition: transform 0.6s ease-in-out;
    width: 100%;
    gap: 20px;
}

.ai_interaction-carousel-img {
    flex: 0 0 100%;
    width: 100%;
    height: auto;
    display: block;
    opacity: 1;
    transform: scale(1);
    transition: all 0.6s ease-in-out;
}

.ai_interaction-carousel-img.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-tab {
    padding: 12px 40px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    border: 2px solid transparent;
}

.carousel-tab.active {
    background: linear-gradient(135deg, #ff9800 0%, #ff6b00 100%);
}

.carousel-tab-text {
    font-size: 22px;
    font-weight: 500;
    color: #999;
    transition: color 0.3s ease;
}

.carousel-tab.active .carousel-tab-text {
    color: #fff;
}

.carousel-arrow {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #E0E0E0;
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.3s ease;
    z-index: 2;
}

.carousel-arrow:hover {
      transform: scale(1.1);
}

.carousel-arrow:active {
    transform: scale(0.95);
}

.carousel-dots {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #C2C2C2 100%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    width: 40px;
    border-radius: 6px;
    background: #FD710B 100%;
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* Section 3 样式 - 海量电子模块扩展 (from aiblock_kit) */
.aiblock_kit_section_3 {
    width: 100%;
    background-color: #fff;
    padding: 160px 50px;
}

.kit-section3-header {
    text-align: center;
    margin-bottom: 60px;
}

.kit-section3-title {
    font-size: 54px;
    font-weight: bold;
    color: #3f3f3f;
    margin-bottom: 20px;
    line-height: 1.2;
}

.kit-section3-subtitle {
    font-size: 24px;
    font-weight: 400;
    color: #666;
    line-height: 1.6;
    max-width: 1334px;
    margin: 0 auto;
}

.kit-section3-image-container {
    width: 70%;
    max-width: 1334px;
    margin: 0 auto 60px;
}

.kit-section3-main-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

.kit-section3-features {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    width: 50%;
    margin: 0 auto;
}

.kit-section3-feature-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.kit-section3-feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.kit-section3-feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.kit-section3-feature-text {
    font-size: 24px;
    color: #444444;
    line-height: 1.4;
    margin: 0;
}

/* Section 3 样式 */
.aiblock_large_model_section_3 {
    width: 100%;
    overflow: hidden;
}

.large_model-section3-image-container {
    position: relative;
    width: 100%;
}

.large_model-section3-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-section3-text-overlay {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
}

.large_model-section3-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.large_model-section3-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.95;
}

/* Section 4 样式 */
.aiblock_large_model_section_4 {
    width: 100%;
    overflow: hidden;
}

.large_model-section4-image-container {
    position: relative;
    width: 100%;
}

.large_model-section4-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-section4-text-overlay {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #010101;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
}

.large_model-section4-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.large_model-section4-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.95;
}

/* Section 5 样式 */
.aiblock_large_model_section_5 {
    width: 100%;
    overflow: hidden;
}

.large_model-section5-image-container {
    position: relative;
    width: 100%;
}

.large_model-section5-main-image {
    width: 100%;
    height: auto;
    display: block;
}

.large_model-section5-text-overlay {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    width: 90%;
    max-width: 1200px;
}

.large_model-section5-title {
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.large_model-section5-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.95;
}

/* 课程大纲浮动标题 - 默认2560分辨率 */
.large_model-course-outline-float {
    position: absolute;
    top: 21%;
    left: 23%;
    z-index: 4;
    border-left: 5px solid #d8721e;
    padding-left: 1%;
}

.large_model-course-outline-title {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0;
    padding: 0;
}

/* 课程表格样式 - 三列flex并排布局 - 默认2560分辨率 */
.large_model-section3-course-flex {
    position: absolute;
    top: 22%;
    left: 49%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1334px;
    z-index: 3;
}

.large_model-course-flex-content {
    width: 100%;
    /* border-radius: 16px; */
    overflow: hidden;
}

.large_model-course-flex-body {
    display: flex;
    align-items: center;
}

.large_model-flex-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.large_model-flex-col:first-child {
    flex: 0 0 30%;
    background: rgba(181, 71, 22, 0.7);
    border-radius: 16px 0 0 16px;
    padding: 0;
}

.large_model-flex-col:nth-child(2) {
    flex: 0 0 40%;
    background: rgba(187, 186, 184, 0.7);
    border-radius: 16px 0 0 16px;
    padding: 3% 0px;
}

.large_model-flex-col:last-child {
    flex: 0 0 30%;
    background: rgba(55, 54, 52, 0.7);
    border-radius: 16px 16px 16px 16px;
    padding: 7% 3%;
}

.large_model-flex-col-header {
    padding: 20px 30px;
    font-weight: bold;
    font-size: 28px;
    text-align: center;
    line-height: 1.3;
}

.large_model-flex-col:first-child .large_model-flex-col-header {
    /* background: rgba(181, 71, 22, 0.85); */
    color: #fff;
}

.large_model-flex-col:nth-child(2) .large_model-flex-col-header {
    /* background: rgba(187, 186, 184, 0.85); */
    color: #333;
}

.large_model-flex-col:last-child .large_model-flex-col-header {
    /* background: rgba(55, 54, 52, 0.85); */
    color: #fff;
}

.large_model-course-unit {
    display: flex;
    flex-direction: column;
    height: 200px;
    position: relative;
    margin-bottom: 15px;
}

.large_model-course-unit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleY(0.5);
    width: 75%;
    height: 1px;
    background-color: #363636;
}

.large_model-flex-col:first-child .large_model-course-unit::before,
.large_model-flex-col:last-child .large_model-course-unit::before {
    background-color: #ffffff;
}

.large_model-course-item {
    padding: 10px 30px;
    font-size: 20px;
    text-align: center;
    font-weight: 400;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.large_model-course-item:not(:first-child)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleY(0.5);
    width: 45%;
    height: 1px;
    background-color: #5c5c5c;
}

.large_model-flex-col:first-child .large_model-course-item {
    color: #fff;
    font-size: 22px;
}

.large_model-flex-col:first-child .large_model-unit-item {
    font-size: 22px;
}

.large_model-flex-col:nth-child(2) .large_model-course-item {
    color: #333;
    font-size: 18px;
}

.large_model-flex-col:last-child .large_model-course-item {
    color: #fff;
    font-size: 20px;
}

.large_model-flex-col:first-child .large_model-course-unit:last-child .large_model-course-item {
    border-radius: 0 0 0 16px;
}

.large_model-flex-col:last-child .large_model-course-unit:last-child .large_model-course-item {
    border-radius: 0 0 16px 0;
}

/* 响应式设计 */
@media (max-width: 1920px) {
    /* 大小标题 - 减4px */
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 50px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 20px;
    }
    
    .carousel-head {
        font-size: 26px;
    }
    
    .carousel-body {
        font-size: 14px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 29px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 14px;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 20px 30px;
        font-size: 20px;
    }
    
    .large_model-course-unit {
        height: 160px;
        margin-bottom: 15px;
    }
    
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 17px;
    }
    
    .large_model-section3-course-flex {
        top: 19%;
    }
    
    .large_model-section3-text-overlay {
        top: 6%;
    }
    
    .large_model-course-outline-float {
        top: 16%;
        left: 14%;
    }
}

@media (max-width: 1600px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 40px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 18px;
    }
    
    .carousel-head {
        font-size: 25px;
    }
    
    .carousel-body {
        font-size: 13.5px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 28px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 13.5px;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 10px 28.5px;
        font-size: 19px;
    }
    
    .large_model-course-unit {
        height: 140px;
        margin-bottom: 14px;
    }
    .large_model-flex-col:last-child {
        padding: 5% 3%;
    }
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 10px;
    }
    
    .large_model-section3-course-flex {
        top: 18%;
    }
    
    .large_model-section3-text-overlay {
        top: 5.5%;
    }
    
    .large_model-course-outline-float {
        top: 15%;
        left: 13%;
    }
    
    .large_model-features-title {
        font-size: 41px;
    }
    
    .large_model-features-subtitle {
        font-size: 18px;
        margin-bottom: 31px;
    }
    
    .large_model-feature-title {
        font-size: 27.5px;
    }
    
    .large_model-feature-desc {
        font-size: 18px;
    }
    
    .kit-section3-features {
        width: 60%;
        gap: 31px;
    }
    
    .kit-section3-feature-icon {
        width: 71px;
        height: 71px;
    }
    
    .kit-section3-feature-text {
        font-size: 22.5px;
    }
    
    .ai_interaction-carousel-title {
        font-size: 40px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 18px;
    }

    .carousel-tabs {
        margin-bottom: 36px;
    }

    .carousel-tab-text {
        font-size: 20.5px;
    }

    .carousel-tab {
        padding: 10.5px 36px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 26px;
    }

    .carousel-arrow {
        width: 35px;
        height: 35px;
    }
    
    .carousel-dots {
        gap: 10.5px;
    }
    
    .carousel-dot {
        width: 10.5px;
        height: 10.5px;
    }
    
    .carousel-dot.active {
        width: 36px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 72px 46px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 51px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 36px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 26px;
        min-height: 52px;
    }
    
    .carousel-description-text {
        font-size: 18px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 26px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 51px;
    }
    .large_model-section3-course-flex {
        width: 55%;
        max-width: 1000px;
    }
    .large_model-course-outline-title {
        font-size: 22px;
    }
}

@media (max-width: 1440px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 37px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 15px;
    }
    
    .carousel-head {
        font-size: 22px;
    }
    
    .carousel-body {
        font-size: 10.5px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 25px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 10.5px;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 9px 26px;
        font-size: 16px;
    }
    
    .large_model-course-unit {
        height: 137px;
        margin-bottom: 13px;
    }
    
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 10px;
    }
    
    .large_model-section3-course-flex {
        top: 17%;
        width: 52%;
        max-width: 950px;
    }
    
    .large_model-section3-text-overlay {
        top: 5%;
    }
    
    .large_model-course-outline-float {
        top: 14%;
        left: 12%;
    }
    
    .large_model-course-outline-title {
        font-size: 19px;
    }
    
    .large_model-features-title {
        font-size: 38px;
    }
    
    .large_model-features-subtitle {
        font-size: 21.5px;
        margin-bottom: 28px;
    }
    
    .large_model-feature-title {
        font-size: 24.5px;
    }
    
    .large_model-feature-desc {
        font-size: 15px;
    }
    
    .kit-section3-features {
        width: 60%;
        gap: 28px;
    }
    
    .kit-section3-feature-icon {
        width: 68px;
        height: 68px;
    }
    
    .kit-section3-feature-text {
        font-size: 19.5px;
    }
    
    .ai_interaction-carousel-title {
        font-size: 37px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 15px;
    }

    .carousel-tabs {
        margin-bottom: 33px;
    }

    .carousel-tab-text {
        font-size: 17.5px;
    }

    .carousel-tab {
        padding: 10px 33px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 23px;
    }

    .carousel-arrow {
        width: 32px;
        height: 32px;
    }
    
    .carousel-dots {
        gap: 10px;
    }
    
    .carousel-dot {
        width: 10px;
        height: 10px;
    }
    
    .carousel-dot.active {
        width: 33px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 69px 43px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 48px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 33px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 23px;
        min-height: 49px;
    }
    
    .carousel-description-text {
        font-size: 15px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 23px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 48px;
    }
    
    .carousel-head {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .carousel-body {
        font-size: 13px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 24px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 12px;
    }
}

@media (max-width: 1280px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 34px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 12px;
    }
    
    .carousel-head {
        font-size: 19px;
    }
    
    .carousel-body {
        font-size: 10px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 22px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 10px;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 8px 23px;
        font-size: 13px;
    }
    
    .large_model-course-unit {
        height: 98px;
        margin-bottom: 12.5px;
    }
    .large_model-course-item {
        padding: 0;
    }
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 10px;
    }
    
    .large_model-section3-course-flex {
        top: 16%;
        width: 49%;
        max-width: 900px;
    }
    
    .large_model-section3-text-overlay {
        top: 4.5%;
    }
    
    .large_model-course-outline-float {
        top: 13%;
        left: 11%;
    }
    
    .large_model-course-outline-title {
        font-size: 16px;
    }
    
    .large_model-features-title {
        font-size: 35px;
    }
    
    .large_model-features-subtitle {
        font-size: 18.5px;
        margin-bottom: 25px;
    }
    
    .large_model-feature-title {
        font-size: 21.5px;
    }
    
    .large_model-feature-desc {
        font-size: 12px;
    }
    
    .kit-section3-features {
        width: 60%;
        gap: 25px;
    }
    
    .kit-section3-feature-icon {
        width: 65px;
        height: 65px;
    }
    
    .kit-section3-feature-text {
        font-size: 16.5px;
    }
    
    .ai_interaction-carousel-title {
        font-size: 34px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 12px;
    }

    .carousel-tabs {
        margin-bottom: 30px;
    }

    .carousel-tab-text {
        font-size: 14.5px;
    }

    .carousel-tab {
        padding: 9.5px 30px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 20px;
    }

    .carousel-arrow {
        width: 29px;
        height: 29px;
    }
    
    .carousel-dots {
        gap: 10px;
    }
    
    .carousel-dot {
        width: 10px;
        height: 10px;
    }
    
    .carousel-dot.active {
        width: 30px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 66px 40px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 45px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 30px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 20px;
        min-height: 46px;
    }
    
    .carousel-description-text {
        font-size: 12px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 20px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 45px;
    }
}

@media (max-width: 1024px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 31px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 10px;
    }
    
    .carousel-head {
        font-size: 16px;
    }
    
    .carousel-body {
        font-size: 10px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 19px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 10px;
    }
    
    .large_model-section1-text-overlay,
    .large_model-section2-text-overlay,
    .large_model-section3-text-overlay,
    .large_model-section4-text-overlay,
    .large_model-section5-text-overlay {
        top: 10%;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 7px 20px;
        font-size: 10px;
    }
    
    .large_model-course-unit {
        height: 131px;
        margin-bottom: 12px;
    }
    
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 10px;
    }
    
    .large_model-section3-course-flex {
        top: 15%;
        width: 46%;
        max-width: 850px;
    }
    
    .large_model-section3-text-overlay {
        top: 4%;
    }
    
    .large_model-course-outline-float {
        top: 12%;
        left: 10%;
    }
    
    .large_model-course-outline-title {
        font-size: 13px;
    }
    
    .large_model-features-title {
        font-size: 32px;
    }
    
    .large_model-features-subtitle {
        font-size: 15.5px;
        margin-bottom: 22px;
    }
    
    .large_model-features-text-overlay {
        width: 50%;
    }
    
    .large_model-feature-title {
        font-size: 18.5px;
    }
    
    .large_model-feature-desc {
        font-size: 10px;
    }
    
    .large_model-features-list {
        gap: 20px 25px;
    }
    
    .large_model-feature-icon {
        font-size: 18px;
    }
    
    .aiblock_kit_section_3 {
        padding: 60px 40px;
    }
    
    .kit-section3-header {
        margin-bottom: 50px;
    }
    
    .kit-section3-image-container {
        width: 60%;
        margin-bottom: 50px;
    }
    
    .kit-section3-features {
        gap: 22px;
    }
    
    .kit-section3-feature-icon {
        width: 62px;
        height: 62px;
        margin-bottom: 15px;
    }
    
    .kit-section3-feature-text {
        font-size: 13.5px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 63px 37px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 42px;
    }

    .ai_interaction-carousel-title {
        font-size: 31px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 10px;
    }

    .carousel-tabs {
        margin-bottom: 27px;
        gap: 15px;
    }

    .carousel-tab-text {
        font-size: 11.5px;
    }

    .carousel-tab {
        padding: 9px 27px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 17px;
    }

    .carousel-arrow {
        width: 26px;
        height: 26px;
    }
    
    .carousel-dots {
        gap: 8px;
    }
    
    .carousel-dot {
        width: 10px;
        height: 10px;
    }
    
    .carousel-dot.active {
        width: 30px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 30px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 20px;
        min-height: 45px;
    }
    
    .carousel-description-text {
        font-size: 20px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 20px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 40px;
    }
    
    .carousel-head {
        font-size: 22px;
        margin-bottom: 10px;
    }
    
    .carousel-body {
        font-size: 12px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 18px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 27px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 12.6px;
    }
    
    .large_model-section1-text-overlay,
    .large_model-section2-text-overlay,
    .large_model-section3-text-overlay,
    .large_model-section4-text-overlay,
    .large_model-section5-text-overlay {
        top: 8%;
    }
    
    /* 课程大纲区域 */
    .large_model-flex-col-header {
        padding: 14px 20px;
        font-size: 14px;
    }
    
    .large_model-course-unit {
        height: 100px;
        margin-bottom: 10px;
    }
    
    .large_model-flex-col:nth-child(1) .large_model-course-item,
    .large_model-flex-col:nth-child(2) .large_model-course-item,
    .large_model-flex-col:nth-child(3) .large_model-course-item {
        font-size: 12px;
    }
    
    .large_model-section3-course-flex {
        top: 12%;
    }
    
    .large_model-section3-text-overlay {
        top: 6%;
    }
    
    .large_model-course-outline-float {
        top: 10%;
        left: 8%;
    }
    
    .large_model-features-title {
        font-size: 24px;
    }
    
    .large_model-features-subtitle {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .large_model-features-text-overlay {
        width: 60%;
        left: 3%;
    }
    
    .large_model-feature-title {
        font-size: 21px;
    }
    
    .large_model-feature-desc {
        font-size: 14.5px;
    }
    
    .large_model-features-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .large_model-feature-icon {
        width: 20px;
        height: 20px;
        font-size: 16px;
    }
    
    .aiblock_kit_section_3 {
        padding: 50px 30px;
    }
    
    .kit-section3-header {
        margin-bottom: 40px;
    }
    
    .kit-section3-image-container {
        width: 70%;
        margin-bottom: 40px;
    }
    
    .kit-section3-features {
        width: 70%;
        gap: 30px;
    }
    
    .kit-section3-feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }
    
    .kit-section3-feature-text {
        font-size: 18px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 50px 30px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 30px;
    }

    .ai_interaction-carousel-title {
        font-size: 28px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 13.9px;
    }

    .carousel-tabs {
        margin-bottom: 25px;
        gap: 10px;
    }

    .carousel-tab-text {
        font-size: 14px;
    }

    .carousel-tab {
        padding: 8px 20px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 15px;
    }

    .carousel-arrow {
        width: 35px;
        height: 35px;
    }
    
    .carousel-dots {
        gap: 8px;
    }
    
    .carousel-dot {
        width: 8px;
        height: 8px;
    }
    
    .carousel-dot.active {
        width: 25px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 25px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 20px;
        min-height: 40px;
    }
    
    .carousel-description-text {
        font-size: 16px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 15px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 30px;
    }
    
    .carousel-head {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .carousel-body {
        font-size: 11px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 14px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 9px;
        margin: 0 20px 0 0;
    }
}

@media (max-width: 600px) {
    .large_model-section1-title,
    .large_model-section2-title,
    .large_model-section3-title,
    .large_model-section4-title,
    .large_model-section5-title,
    .kit-section3-title {
        font-size: 21.2px;
    }
    
    .large_model-section1-subtitle,
    .large_model-section2-subtitle,
    .large_model-section3-subtitle,
    .large_model-section4-subtitle,
    .large_model-section5-subtitle,
    .kit-section3-subtitle {
        font-size: 10.2px;
    }
    
    .large_model-features-title {
        font-size: 18px;
    }
    
    .large_model-features-subtitle {
        font-size: 15px;
        margin-bottom: 15px;
    }
    
    .large_model-features-text-overlay {
        width: 70%;
        left: 2%;
        top: 8%;
    }
    
    .large_model-feature-title {
        font-size: 18px;
    }
    
    .large_model-feature-desc {
        font-size: 11.5px;
    }
    
    .large_model-features-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .large_model-feature-icon {
        width: 18px;
        height: 18px;
        font-size: 14px;
    }
    
    .aiblock_kit_section_3 {
        padding: 30px 20px;
    }
    
    .kit-section3-header {
        margin-bottom: 30px;
    }
    
    .kit-section3-image-container {
        width: 90%;
        margin-bottom: 30px;
    }
    
    .kit-section3-features {
        width: 90%;
        flex-direction: column;
        gap: 30px;
    }
    
    .kit-section3-feature-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }
    
    .kit-section3-feature-text {
        font-size: 16px;
    }
    
    .aiblock_ai_interaction_carousel_section {
        padding: 30px 20px;
    }

    .ai_interaction-carousel-header {
        margin-bottom: 20px;
    }

    .ai_interaction-carousel-title {
        font-size: 22px;
    }

    .ai_interaction-carousel-subtitle {
        font-size: 11.3px;
    }

    .carousel-tabs {
        margin-bottom: 20px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .carousel-tab-text {
        font-size: 12px;
    }

    .carousel-tab {
        padding: 6px 15px;
    }

    .ai_interaction-carousel-wrapper {
        gap: 10px;
    }

    .carousel-arrow {
        width: 30px;
        height: 30px;
    }
    
    .carousel-dots {
        gap: 6px;
    }
    
    .carousel-dot {
        width: 8px;
        height: 8px;
    }
    
    .carousel-dot.active {
        width: 20px;
    }
    
    .ai_interaction-carousel-image-container {
        margin-bottom: 20px;
    }
    
    .ai_interaction-carousel-description {
        margin-bottom: 15px;
        min-height: 35px;
    }
    
    .carousel-description-text {
        font-size: 14px;
    }
    
    .ai_interaction-carousel-controls {
        gap: 12px;
    }
    
    .ai_interaction-carousel-floating-description {
        bottom: 20px;
    }
    
    .carousel-head {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .carousel-body {
        font-size: 8px;
    }
    
    .ai_interaction-carousel-label-title {
        font-size: 11px;
    }
    
    .ai_interaction-carousel-label-desc {
        font-size: 8px;
        margin: 0 10px 0 0;
    }
}

/* 平板端响应式 */
@media (max-width: 1024px) {
    .large_model-flex-col-header {
        padding: 18px 25px;
        font-size: 24px;
    }

    .large_model-course-item {
        padding: 18px 25px;
        font-size: 18px;
    }

    .large_model-flex-col:first-child .large_model-course-item {
        font-size: 20px;
    }

    .large_model-flex-col:first-child .large_model-unit-item {
        font-size: 22px;
    }
}

/* 小平板端响应式 */
@media (max-width: 768px) {
    .large_model-flex-col-header {
        padding: 15px 20px;
        font-size: 20px;
    }

    .large_model-course-item {
        padding: 15px 20px;
        font-size: 16px;
    }

    .large_model-flex-col:first-child .large_model-course-item {
        font-size: 18px;
    }

    .large_model-flex-col:first-child .large_model-unit-item {
        font-size: 19px;
    }
}

/* 移动端响应式 */
@media (max-width: 480px) {
    .large_model-section3-course-flex {
        bottom: 5%;
        top: auto;
        width: 80%;
    }

    .large_model-course-flex-body {
        flex-direction: column;
        gap: 15px;
    }

    .large_model-flex-col {
        border-radius: 16px;
        overflow: hidden;
    }

    .large_model-flex-col:first-child,
    .large_model-flex-col:nth-child(2),
    .large_model-flex-col:last-child {
        flex: 1 1 100%;
    }

    .large_model-flex-col-header {
        padding: 15px 20px;
        font-size: 18px;
    }

    .large_model-course-item {
        padding: 15px 20px;
        font-size: 14px;
    }

    .large_model-flex-col:first-child .large_model-course-item {
        font-size: 16px;
    }

    .large_model-flex-col:first-child .large_model-unit-item {
        font-size: 17px;
    }

    .large_model-flex-col:first-child .large_model-course-unit:last-child .large_model-course-item,
    .large_model-flex-col:last-child .large_model-course-unit:last-child .large_model-course-item {
        border-radius: 0;
    }
}