/* 主要内容区域 */
.hero {
    background: url('../../images/banner_ai.jpg') no-repeat center;
    background-size: cover;
    padding: 80px 0 0 0;
    text-align: center;
    height: 500px; /* 调整高度以适应图片 */
    position: relative;
}
.hero-buttons{
    position: absolute;
    top: 70%;
    left: 20%;
}  
  
.hero-btn {
    background: #4080ff;
    color: #fff;
    padding: 12px 36px;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
}
.hero-btn:hover {
    background: linear-gradient(135deg, #6194f1 0%, #75c8fc 100%);
    color: #fff;
}

/* 视频区域 */
.video-section {
    max-width: 1200px;
    margin: 75px auto;
    padding: 0 20px;
    min-width: 1200px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    min-width: 1200px;
}

.section-title {
    font-size: 32px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.section-desc {
    font-size: 16px;
    color: #666;
}

.section-content-inner {
    margin: 30px 0px;
    max-width: 1200px;
}
.section-swipper {
    margin-right: 30px;   
    margin-top: 25px; 
    width: 640px;
    height: 360px;
}

#videoModal .video-js{    
    width: 700px;
    height: 400px;
    margin: 0 auto;
    display: none;
}
.pull-left {
    float: left;
}

.video-list {
    width: 530px;
    padding: 0;
    height: 400px;
    overflow-y: auto;
    border-left: none;
    border-radius: 8px;
    min-width: 530px;
}
.video-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5px 12px 5px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 15px;
}

.video-title h3 {
    font-size: 18px;
    color: #333;
    font-weight: 500;
}

.video-more-btn {
    display: inline-block;
    color: #4B97FF;
    font-size: 14px;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.video-more-btn:hover {
    background: rgba(75, 151, 255, 0.1);
    color: #3178E6;
}

.video-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
    text-overflow: ellipsis;
    height: 45px; /* 固定高度确保两行统一显示 */
    text-decoration: none;
}
.video-item {
    padding: 5px;
    border-radius: 6px;
    background: #fff;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    display: block;
    text-decoration: none;
    color: inherit;
}

.video-item:hover {
    background: #f5f9ff;
    border-left: 3px solid #4B97FF;
    padding-left: 20px;
    box-shadow: 0 2px 10px rgba(75, 151, 255, 0.08);
    transform: translateY(-2px);
    text-decoration: none;
}

.video-item h3 {
    color: #333;
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.4;
    font-weight: 500;
    transition: color 0.3s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: bold;
}

.video-item:hover h3 {
    color: #4B97FF;
}
.swiper-slide{
    position: relative;
}
img.video-play-btn{
    position: absolute;
    bottom: 83px;
    right: 70px;
}
/* 功能特点区域 */
.features {
    margin: 0 auto;
    padding: 75px 0;
    min-width: 1200px;
    background: url(../../images/features_bg.png) no-repeat center;
    height: 952px;
    box-sizing: border-box;
    background-color: rgb(244,247,254);
}

/* 功能网格布局 */
.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1300px;
    margin: 70px auto 0;
    gap: 30px;
}

/* 第一行三个等分 */
.feature-grid .feature-item {
    width: calc(28.3% - 20px);
    margin-bottom: 10px;
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

/* 第二行两个等分 */
.feature-grid .feature-item:nth-child(4),
.feature-grid .feature-item:nth-child(5) {
    width: calc(28.3% - 20px);
}

/* 悬停效果 */
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* 功能图标样式 */
.feature-icon {
    margin: 0 auto 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #3757FF;
}

.feature-icon img {
    max-width: 100%;
    max-height: 100%;
}

/* 功能文字样式 */
.feature-title {
    font-size: 20px;
    color: #0F0F0F;
    margin-bottom: 30px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top: 10px;
}

.feature-desc {
    width: 100%;
    height: 90px;
    font-family: MicrosoftYaHei;
    font-size: 12px;
    color: #373737;
    line-height: 23px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

/* 查看详情按钮样式优化 - 蓝色按钮 */
.feature-link {
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 24px;
    border-radius: 20px;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(75, 151, 255, 0.2);
    background: #7B95FF;
    box-shadow: 3px 5px 20px #DDE3FD;
    border-radius: 18px ;
    border: 2px solid #6385FF;
    box-sizing: border-box;
    display: none;
}

a.feature-link:hover {
    /* background: #3178E6; */
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(75, 151, 255, 0.3);
}

/* 删除旧的下划线效果 */
.feature-link::after {
    content: none;
}

/* 技术能力图谱 */
.tech-map {
    background: url(../../images/tech_map_bg.png) no-repeat center;
    margin: 0 auto;
    padding: 75px 0 0;
    height: 570px;
    box-sizing: border-box;
}



/* 添加响应式设计 */
@media (max-width: 768px) {
    .tech-map-container {
        height: auto;
        padding: 40px 0;
    }
    
    .tech-items {
        gap: 15px;
    }
    
    .tech-item {
        font-size: 12px;
        padding: 6px 16px;
    }
}

/* 底部区域 */
.footer {
/* background: #f5f7fa; */
padding: 60px 0;
margin-top: 60px;
}

.footer-container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
text-align: center;
}

.cta-title {
font-size: 36px;
margin-bottom: 30px;
}

.cta-btn {
background: #4080ff;
color: #fff;
padding: 12px 36px;
border-radius: 4px;
text-decoration: none;
display: inline-block;
}

/* 通达智能助手能力展示 - 固定为4列网格布局 */
.capability-section {
    background: url('../../images/capability_bg.png') no-repeat center;
    margin: 0 auto;
    padding: 75px 0;
    height: 548px;
    background-color: #F7F7F7;
}

/* 技能网格容器优化 - 实现水平居中布局 */
.capability-grid-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
    overflow: hidden;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(20, 1fr);
    grid-template-rows: auto auto auto;
    gap: 26px;
    margin: 40px auto;
}

/* 第一行4个项目 - 水平居中 */
.capability-grid .capability-item:nth-child(1) {
    grid-column: 2 / span 5; /* 从第2列开始，跨5列 */
}

.capability-grid .capability-item:nth-child(2) {
    grid-column: 7 / span 4; /* 从第7列开始，跨4列 */
}

.capability-grid .capability-item:nth-child(3) {
    grid-column: 11 / span 4; /* 从第11列开始，跨4列 */
}

.capability-grid .capability-item:nth-child(4) {
    grid-column: 15 / span 5; /* 从第15列开始，跨5列 */
}

/* 第二行5个项目 - 每个占4列 */
.capability-grid .capability-item:nth-child(5) {
    grid-column: 1 / span 4;
}

.capability-grid .capability-item:nth-child(6) {
    grid-column: 5 / span 4;
}

.capability-grid .capability-item:nth-child(7) {
    grid-column: 9 / span 4;
}

.capability-grid .capability-item:nth-child(8) {
    grid-column: 13 / span 4;
}

.capability-grid .capability-item:nth-child(9) {
    grid-column: 17 / span 4;
}

/* 第三行4个项目 - 水平居中 */
.capability-grid .capability-item:nth-child(10) {
    grid-column: 2 / span 5; /* 从第2列开始，跨5列 */
}

.capability-grid .capability-item:nth-child(11) {
    grid-column: 7 / span 5; /* 从第7列开始，跨5列 */
}

.capability-grid .capability-item:nth-child(12) {
    grid-column: 12 / span 4; /* 从第12列开始，跨4列 */
}

.capability-grid .capability-item:nth-child(13) {
    grid-column: 16 / span 4; /* 从第16列开始，跨4列 */
}

/* 卡片内部样式优化 */
.capability-item {
    background: #fff;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #EAF0FF;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    align-items: flex-start;
}

/* 顶部水平线 */
.capability-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 10px;
    width: 30%;
    height: 3px;
    background:  #3757FF;
    border-radius: 3px 3px 0 0;
}

.capability-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* 标题样式修改为左对齐并添加蓝色圆点 */
.capability-item h3 {
    font-family: MicrosoftYaHei;
    font-size: 16px;
    color: #333;
    margin: 4px;
    font-weight: 500;
    text-transform: none;
    text-align: left;
    padding-left: 15px;
    position: relative;
    width: 100%;
}

/* 蓝色圆点 */
.capability-item h3:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: #3757FF;
    border-radius: 50%;
}

/* 文字描述样式 */
.capability-item p {
    font-family: MicrosoftYaHei;
    font-size: 12px;
    color: #7F7F7F;
    line-height: 26px;
    font-style: normal;
    text-transform: none;
    white-space: nowrap;
    width: 100%;
    text-align: left;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .capability-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .capability-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .capability-grid {
        grid-template-columns: 1fr;
    }
}

/* 数字工匠部分 */
.digital-craftsman {
    margin: 0 auto;
    padding: 75px 0;
    background: #F7F7F7;
    clear: both;
}

.craftsman-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin: 40px auto;
    max-width: 1200px;
    padding: 0 20px;
}

.craftsman-item {
    width: calc(50% - 15px);
    display: flex;
    flex-direction: row;
    background: transparent;
    margin-bottom: 24px;
}

.craftsman-icon {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0;
}


.craftsman-content {
    flex: 1;
    margin-top: 0;
    padding: 12px 20px;
    border-radius: 10px;
}

.craftsman-content h3 {
    font-family: MicrosoftYaHei;
    font-size: 20px;
    color: #000000;
    line-height: 33px;
    text-align: left;
    font-weight: normal;
    text-transform: none;
    margin-bottom: 10px;
}

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

/* 响应式调整 */
@media (max-width: 992px) {
    .craftsman-item {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .craftsman-item {
        flex-direction: column;
    }
    
    .craftsman-icon {
        margin-right: 0;
        margin-bottom: 16px;
        align-self: center;
    }
}

/* 卓越数智优势 */
.digital-advantages {
    max-width: 1300px;
    margin: 75px auto 0;
    padding: 0 20px;
    background: url('../../images/advantages_bg.png') no-repeat center;
    min-width: 1200px;
}

/* 优势区域布局重新设计 - 围绕中央图片布局 */
.advantages-container {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    height: 600px; /* 固定高度容器 */
}

/* 中央背景图片 */
.advantages-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 310px;
    height: 31px;
    z-index: 1;
}

/* 基础优势卡片样式 */
.advantage-item {
    position: absolute;
    width: 366px;
    transition: all 0.3s ease;
    z-index: 2;
}

/* 左侧优势项目样式 - 文字右对齐 */
.advantage-item.left-item {
    text-align: right; /* 文字右对齐 */
}

/* 优势项目标题右对齐 */
.advantage-item.left-item .advantage-title {
    justify-content: flex-end; /* 标题靠右对齐 */
}

/* 优势项目描述右对齐 */
.advantage-item.left-item .advantage-desc {
    text-align: right; /* 描述文字右对齐 */
}

/* 右侧优势项目保持左对齐（默认） */
.advantage-item.right-item {
    text-align: left;
}

.advantage-item.right-item .advantage-title {
    justify-content: flex-start;
}

.advantage-item.right-item .advantage-desc {
    text-align: left;
}

/* 左侧优势项目定位 */
.advantage-item.left-item:nth-child(1) {
    top: 60px;
    left: 100px;
}

.advantage-item.left-item:nth-child(3) {
    top: 240px;
    left: 50px;
}

.advantage-item.left-item:nth-child(5) {
    top: 420px;
    left: 100px;
}

/* 右侧优势项目定位 - 保持左右对称 */
.advantage-item.right-item:nth-child(2) {
    top: 60px;
    right: 100px;
}

.advantage-item.right-item:nth-child(4) {
    top: 240px;
    right: 50px;
}

.advantage-item.right-item:nth-child(6) {
    top: 420px;
    right: 100px;
}

/* 保持现有的标题样式 */
.advantage-title {
    margin-bottom: 12px;
    display: flex;
    gap: 10px;
}



.highlight {
    color: #147DF1;
    font-size: 18px;
}

.highlight1 {
    color: #00d158;
    font-size: 18px;
}

.highlight2 {
    color: #69ACF6;
    font-size: 18px;
}


/* 保持现有的描述文本样式 */
.advantage-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 立即体验 */
.try-now {
    background-color: linear-gradient(180deg, #fff 0%, #f5f7fa 100%);
    text-align: center;
    margin: 75px 0;
    min-width: 1200px;
}

.try-now .section-header {
    margin: 0 auto;
    padding: 0 20px;
}
.try-now-bg{
    background: url('../../images/try_bg.png') no-repeat center;
    height: 321px;
}

.try-btn {
    display: inline-block;
    margin-top: 52px;
    padding: 14px 40px;
    background: linear-gradient(135deg, #6194f1 0%, #75c8fc 100%);
    color: #fff;
    font-size: 16px;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 8px 20px rgba(75, 151, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.try-btn:hover {
    background: linear-gradient(135deg, #3586FF 0%, #2867D5 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(75, 151, 255, 0.4);
}

.try-btn:active {
    transform: translateY(1px);
    box-shadow: 0 5px 15px rgba(75, 151, 255, 0.3);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .advantages-items {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .left-item,
    .right-item {
        grid-column: 1;
        text-align: left;
    }

    .advantages-bg {
        display: none;
    }
}

@media (max-width: 576px) {
    .advantage-title {
        font-size: 16px;
    }

    .advantage-desc {
        font-size: 13px;
    }

    .try-now .section-title {
        font-size: 24px;
    }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .video-container {
        grid-template-columns: 1fr;
    }
    
    .video-list {
        order: -1;
    }
}

@media (max-width: 576px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        padding: 30px 20px;
    }
}

/* 响应式布局调整 */
@media (max-width: 1200px) {
    .capability-item {
        max-width: calc(33.33% - 20px);
    }
}

@media (max-width: 768px) {
    .capability-item {
        max-width: calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .capability-item {
        max-width: 100%;
    }
}



/* 简化滚动条 */
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f5f7fa;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #dcdfe6;
    border-radius: 3px;
}

/* 调整表单间距 */
.modal-body {
    padding: 25px 20px;
}