/* 定义本地字体 */
    @font-face {
      font-family: 'AlimamaShuHeiTi';
      src: url('../fonts/AlimamaShuHeiTi-Bold.woff2') format('woff2'),
           url('../fonts/AlimamaShuHeiTi-Bold.woff') format('woff'),
           url('../fonts/AlimamaShuHeiTi-Bold.ttf') format('truetype'); /* 备选TTF */
      font-weight: normal;
      font-style: normal;
    }

.index_banner .banner_title{
    font-family: 'AlimamaShuHeiTi';
    font-size: 50px;
      
}
.index_banner .banner_title .banner_title_left{
    background: linear-gradient(to right, #CBC7FF, #FFFFFF); /* 渐变背景 */
      -webkit-background-clip: text; /* 仅Chrome/Safari支持 */
      background-clip: text;         /* 标准语法 */
      color: transparent;           /* 文字透明，显示背景 */
}
.index_banner .banner_title .banner_title_right{
    margin-left: 50px;
    background: linear-gradient(to right, #FFFFFF, #CBC7FF); /* 渐变背景 */
      -webkit-background-clip: text; /* 仅Chrome/Safari支持 */
      background-clip: text;         /* 标准语法 */
      color: transparent;           /* 文字透明，显示背景 */
}
.index_banner{
    height: 880px;
    background-image: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/banner.png);
}
.index_banner .banber_box{
    text-align: center;
    padding-top: 64px;
}
.index_banner .banner_text{
color: #FFFFFF;
margin-top: 30px;
font-size: 16px;
line-height: 30px;
}
.index_banner .banner_button{
width: 240px;
padding: 20px 0;
margin: 0 auto;
font-size: 28px;
margin-top: 40px;
background: linear-gradient(90deg, #7566ff 0, #314dff 50%, #41a0ff 100%);
border-radius: 100px;
transform: translateZ(0);
cursor: pointer;
}
.index_banner .banner_button .btn_item{
    background: none;
    border: none;
    color: #FFFFFF;
    display: inline-block;
    vertical-align: middle;
}
.index_banner .banner_button .button_ico{
    display: inline-block;
    width: 44px;
    height: 44px;
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/Group8167.png);
    vertical-align: middle;
    margin-left: 10px;
    transition: 0.4s;
    transform: translateX(0); /* 添加初始位置 */
}
.index_banner .banner_button:hover .button_ico{
    transform: translateX(15px); /* 向右移动40px */
    margin-left: 10px; /* 保持原始的margin-left */
}
.gb_maintitle{
    font-family: 'AlimamaShuHeiTi';
    font-size: 30px;
    text-align: center;
}
.gb_maintext{
font-size: 14px;
color: #666666;
text-align: center;
margin-top: 20px;
}
.jingyan{
    padding-top: 80px;
}



 /* 容器布局 */
        .jingyan {
            width: 100%;
            max-width: 100%;
            margin: 0px auto 90px;
            position: relative; /* 为箭头按钮提供定位参考 */
        }
        /* 标题样式 */
        .section-title {
            text-align: center;
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 40px;
        }
        /* 卡片容器（滑动区域） */
        .card-scroll {
            display: flex;
            overflow-x: auto; /* 横向滚动 */
            scroll-behavior: smooth; /* 平滑滚动 */
            gap: 20px;
            padding: 20px 0; /* 垂直方向留出空间 */
            margin-top: 70px;
        }
        /* 隐藏滚动条（webkit内核） */
        .card-scroll::-webkit-scrollbar {
            display: none; /* 完全隐藏滚动条 */
        }
        /* 功能卡片样式 */
        .feature-card {
            max-width: 324px;
            min-width: 324px;
            height: 390px;
            background: linear-gradient(135deg, #e8f2ff, #f8f2ff);
            border-radius: 12px;
            flex-shrink: 0; /* 避免压缩 */
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)
        }
/* 青色系卡片 */
.card-lv {
    background: linear-gradient(135deg, #E6F7F8, #5BC8B0);
}

/* 紫色系卡片 */
.card-zise {
    background: linear-gradient(135deg, #F5F2FF, #BAA5F6);
}

/* 蓝色系卡片 */
.card-blue {
    background: linear-gradient(135deg, #F0F7FF, #96BEF9);
}

/* 绿色系卡片 */
.card-green {
    background: linear-gradient(to bottom, #F2FFF9, #89D9B9);
}
        /* 卡片标题 */
        .card-title {
            font-size: 18px;
            font-weight: 500;
            margin: 12px 0 8px;
        }
        /* 卡片内容 */
        .card-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
        }
        /* 左右箭头 */
        .arrow-btn {
            position: absolute;
            top: 60%;
            transform: translateY(-50%);
            width: 60px;
            height: 60px;
            background-color: rgba(255,255,255,0.8);
            border: 1px solid #eee;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #999;
            transition: all 0.2s ease;
            z-index: 10; /* 确保箭头显示在最上层 */
        }
        .arrow-left {
            left: 30px; /* 调整位置，部分超出容器 */
            opacity: 0; /* 初始隐藏 */
            pointer-events: none; /* 禁用点击 */
        }
        .arrow-right {
            right: 30px; /* 调整位置，部分超出容器 */
        }
        .arrow-btn:hover {
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transform: translateY(-50%) scale(1.05);
            border: 1px solid #356dee;
        }
        .arrow-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: translateY(-50%);
        }
.card-scroll .llwz{
    background-image: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/llwz.svg);
    background-size: cover;
}
.card-scroll .card-blue img{
    width: 100%;
}
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card .feature-card-img {
    filter: drop-shadow(0 20px 8px rgba(151, 183, 255, 0.4)) drop-shadow(0 4px 3px rgba(151, 183, 255, 0.1));
    position: absolute;
    bottom: 30px;
}


.feature-card .feature-card-a {
    position: relative;
    display: block;
    height: 100%;
    text-decoration: none;
    color: inherit;
    padding: 20px;
    box-sizing: border-box;
}

.feature-card .feature-card-but {
    position: absolute;
    border-radius: 12px;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 400px;
    background: linear-gradient(
        to bottom,
        rgba(193, 211, 251, 0),
        rgba(193, 211, 251, 0.9)
    );
    display: flex; /* 保持flex布局，用opacity控制可见性 */
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px;
    box-sizing: border-box;
    
    /* 关键修改：使用opacity和visibility替代display */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s;
    transform: translateY(10px); /* 初始位置下移，创造上浮效果 */
}

.feature-card .feature-card-but::before {
    content: "查看详情 >";
    display: block;
    width: 120px;
    height: 40px;
    line-height: 40px;
    border: none;
    background: #FFFFFF;
    text-align: center;
    border-radius: 20px;
    font-weight: 500;
    transform: translateY(10px); /* 按钮初始位置下移 */
    transition: all 0.3s ease-in-out; /* 按钮单独的过渡效果 */
}

.feature-card .feature-card-a:hover .feature-card-but {
    opacity: 1;
    visibility: visible;
    transform: translateY(0); /* 悬停时恢复原位 */
}

.feature-card .feature-card-a:hover .feature-card-but::before {
    transform: translateY(0); /* 悬停时按钮上浮 */
}


.feature-card:hover{

}

.card-zise .feature-card-img {
  filter: drop-shadow(0 20px 8px rgba(183, 170, 255, 0.4)) 
          drop-shadow(0 4px 3px rgba(183, 170, 255, 0.1));
}
.card-zise .feature-card-but{
        background: linear-gradient(
        to bottom,
        rgba(212, 203, 248, 0),    /* 顶部：完全透明 */
        rgba(212, 203, 248, 0.9)    /* 底部：90%不透明度 */
    );
}

.card-lv .feature-card-img{
  filter: drop-shadow(0 20px 8px rgba(127, 206, 196, 0.4)) 
          drop-shadow(0 4px 3px rgba(127, 206, 196, 0.1));
}

.card-lv .feature-card-but{
  background: linear-gradient(
    to bottom,
    rgba(127, 206, 196, 0),    /* 顶部：完全透明 */
    rgba(127, 206, 196, 0.9)    /* 底部：90%不透明度 */
  );
}


.wjjm{
    padding: 60px 0;
    background: linear-gradient(180deg, rgba(138, 188, 255, .8) 0, rgba(205, 226, 255, .8) 100%);
}
.wjjm-top{
    margin-top: 60px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 390px;
    gap: 20px;
}
.wjjm .gb_maintext{
    margin-bottom: 60px;
}
.wjjm-top-right{
    height: 420px;
    background: linear-gradient(to bottom, #E0E7FF, #A1C9FF);
    border-radius: 10px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.wjjm-top-right .jmgz{
    padding: 15px;
}
.wjjm-top-right .jmgz img{
    width: 100%;
    margin-top: 20px;
}
.wjjm-top-left-1{
    background: #fff;
    border-radius: 10px;
    height: 170px;
    padding: 15px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.wjjm-top-left-1 ul{
    width: 90%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* 平均分成 6 列 */
    gap: 20px; /* 可选间距 */
    text-align: center;
    margin-top: 40px;
}
.wjjm-top-left-1 ul li img{
    height: 36px;
    margin-bottom: 10px;
}
.wjjm-top-left-2{
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 平均分成 6 列 */
    gap: 20px; /* 可选间距 */
    
}
.wjjm-top-left-2 div{
    height: auto;
    background: #FFFFFF;
    border-radius: 10px;
    padding: 15px;
    position: relative;
    height: 170px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.wjjm-top-left-2 div img{
      position: absolute;
  bottom:0px; 
  right: 0px;    
}
.wjjm-bottom{
    width: 100%;
    
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 平均分成 6 列 */
    gap: 20px; /* 可选间距 */
}
.wjjm-bottom>div{
    background: #FFFFFF;
    border-radius: 10px;
    padding: 15px;
    height: 170px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.wjjm-bottom>div .card-desc{
    width: 360px;
}

.wjjm-bottom .wjjm-bottom-left{
    background-image: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/aqwf.svg);
    background-size: cover;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.wjjm-bottom .wjjm-bottom-right{
    background-image: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/yddck.png);
    background-size: cover;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
.index-dlp{
    padding: 80px 0;
}
.index-dlp .tabs{
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 平均分成 6 列 */
    gap: 20px; /* 可选间距 */
    text-align: center;
    margin-top: 60px;
}
.index-dlp .tabs .tab{
    background: #FFFFFF;
    border-radius: 4px 4px 4px 4px;
    border: 1px solid #D9D9D9;
    padding: 10px 0;
    cursor: pointer;
}




/* 激活状态的标签样式 */
.index-dlp .tab.active {
  background: linear-gradient(90deg, #7566ff 0, #314dff 50%, #41a0ff 100%);
  color: #fff;
}

/* 标签悬停效果 */
.index-dlp .tab:hover {
  background-color: #b3d3f7;
}


/* 标签内容样式 */
.index-dlp .tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

/* 激活状态的标签内容样式 */
.index-dlp .tab-content.active {
  display: block;
}
.index-dlp .tab-content .dlp-tabcont{
    margin-top: 60px;
    display: grid;
    grid-template-columns: 45% 55%; /* 左边40%，右边60% */
    gap: 20px;
}
.dlp-tab-left-title{
    display: grid;
    gap: 10px;
    grid-template-columns: 30px 1fr; /* 左边30px，右边占满剩余空间 */
}

/* 渐显动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.custom-line{
    display: grid;
    gap: 0px;
    grid-template-columns: 33px 1fr; 
    place-items: center; /* 水平和垂直都居中 */
    margin-top: 20px;
}
.custom-line-1{
    width: 33px;
    height: 4px;
    background: #0088FF;
    border-radius: 2px;
}
.custom-line-2{
    width: 100%;
    height: 1px;
    background: #D9D9D9;
}
.duigou{
font-family: 'AlimamaShuHeiTi';
width: 25px;
height: 25px;
border-radius: 100%;
color: #FFFFFF;
line-height: 25px;
text-align: center;
background: #A1C9FF;
}

.dlp-tabs-title{
    display: grid;
    gap: 10px;
    grid-template-columns: 30px 1fr; 
      align-items: center; /* 垂直居中 */
  justify-items: start; /* 水平左对齐（默认值，可省略） */
}
.dlp-tab-left ul li{
    padding: 16px;
}
.ty_button{
    border:1px solid #443D3D;
    border-radius: 90px;
    width: 190px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    margin: 80px auto;
    display: block;
}
.ty_button:hover{
    border:1px solid #0088FF;
    color: #0088FF;
}

.xwfx .card-container {
    display: flex;
    gap: 20px;
    margin-top: 60px;
}

.xwfx .card {
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/xwfx_bg.png) left top no-repeat;
    background-size: cover;
    height: 500px;
    flex-basis: 0;          /* 从0宽度开始分配 */
    flex-grow: 1;           /* 默认平均分配 */
    transition: all 0.5s;   /* 平滑过渡效果 */
    border-radius: 14px;
    max-width: 240px;
    width: 100%; /* 确保容器有明确宽度 */
    overflow: hidden; /* 隐藏溢出内容 */
    cursor: pointer;
}

.xwfx .card .card-content .card-desc {
    display: none;
}

.xwfx .card .card-content {
    padding: 20px 0 20px 20px;
}

.xwfx .card .card-content img {
    margin-top: 20px;
    width: 510px;
    height: 300px;
}

.xwfx .card .card-content .card-title {
    margin-top: 50px;
}

.xwfx .card.active {
    flex-basis: 528px;      /* 激活时固定宽度 */
    flex-grow: 0;           /* 不参与剩余空间分配 */
    flex-shrink: 0;         /* 不收缩 */
    max-width: 528px;
}

.xwfx .card.active .card-content .card-desc {
    display: block;
}

.xwfx .card.active .card-content .card-title {
    color: #0088FF;
}
.AI{
    width: 100%;
    height: 768px;
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/AI_dlp.png);
}
.AI-content{
    padding-top: 160px;
}
.AI-content .gb_maintitle{
    text-align: left;
}
.AI-content .gb_maintext{
    text-align: left;
    width: 650px;
}
.AI-content-lists{

    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px; /* 可选间距 */
    margin-top: 240px;
}
.AI-content-lists .AI-content-list{
    border-radius: 10px;
    background: rgba(255,255,255,0.7);
    box-shadow: 0px 4px 4px 0px rgba(0,136,255,0.2), inset 0px 4px 4px 0px #FFFFFF;
    padding: 20px;
}
.AI-content-lists .AI-content-list .card-desc{
    margin-top: 40px;
}
.fuwu{
    padding: 80px 0;
}
.fuwu .fuwu-content{
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px; /* 可选间距 */
}
.fuwu .fuwu-content .fuwu-content-item{
    height: 280px;
    text-align: center;
    border-radius: 14px 14px 14px 14px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

}
.fuwu .fuwu-content a:hover{
    color: #0088FF;
}
.fuwu .fuwu-content .fuwu-content-item .card-title{
    padding-top: 30px;
}
.fuwu .fuwu-content .fuwu-content-item.AIkefu{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/AIkefu.svg);
    background-size:cover;
}
.fuwu .fuwu-content .fuwu-content-item.bzzx{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/bzzx.svg);
    background-size:cover;
}
.fuwu .fuwu-content .fuwu-content-item.jszc{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/jszc.svg);
    background-size:cover;
}
.fuwu .fuwu-content .fuwu-content-item.zcfw{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/zcfw.svg);
    background-size:cover;
}
.fuwu .fuwu-content .fuwu-content-item.dzfa{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/dzfa.svg);
    background-size:cover;
}
.fuwu .fuwu-content .fuwu-content-item.cpzl{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/cpzl.svg);
    background-size:cover;
}
.banben{
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/banben_bg.png);
    background-size: cover;
    padding: 80px 0;
}
.banben .banben-item{
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(2, 1fr); 
    gap: 0px; /* 可选间距 */

}
.banben .banben-item>div{
    height: 300px;
}
    
.banben .banben-item>div:nth-child(1){
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/syhbs.png);
    background-size: cover;
}
.banben .banben-item>div:nth-child(2),.banben .banben-item:nth-child(3){
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/banben-tybg.png);
    background-size: cover;
}
.banben .banben-item>div:nth-child(4){
    background: url(https://dongchayan-icon-1312483745.cos.ap-beijing.myqcloud.com/gbimg/hlwbb.png);
    background-size: cover;
}
.banben .banben-item .banben-mian{
    padding: 50px;
}
.banben .banben-item .banben-mian .banben-mian-text{
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 30px; /* 可选间距 */
    margin-top: 50px;
    align-items: center; /* 添加垂直居中对齐 */
}
.banben .banben-item .banben-mian .banben-mian-text>a{
    display: block;
    width: 150px;
    height: 42px;
    border-radius: 10px 10px 10px 10px;
    border: 1px solid #333333;
    line-height: 42px;
    text-align: center;
    cursor: pointer;
}
.join{
    margin-top: 0;
}

.jingyan .feature-card .card-title{
    font-size: 30px;
}