.nav-list-geo{
     justify-content: space-evenly;
}
.geo_content{
    background: linear-gradient( 180deg, #FAFBFF 0%, #F0F3FF 100%);
}
.geo_whatdo{
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding-top: 100px;

    h3{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 36px;
        color: #20262C;
        text-align: center;
    }
}
.whatdo_card{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 25px;
    margin-top: 80px;
}
.docard_top{
    display: flex;
    align-items: center;
    gap: 25px;
    h4{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 24px;
        color: #FFFFFF;
    }
}
.primary_card{
    transition: all 0.3s ease; 
}
.primary_card:hover{
    cursor: pointer;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-8px) scale(1.02);
}
.doCard_1{
    padding: 25px;
    background: linear-gradient( 315deg, #665EFF 0%, #4195FF 100%);
    box-shadow: 2px 2px 17px 5px rgba(36,33,100,0.23);
    border-radius: 18px;
    flex: 1;  /* 添加flex属性使宽度均匀分配 */
    display: flex;  /* 添加flex布局 */
    flex-direction: column;  /* 垂直排列 */
    .docard_bottom{
        background: linear-gradient( 136deg, #E8EAFF 0%, #FEFEFE 100%);
        border-radius: 10px;
        border: 1px solid rgba(255,255,255,0.65);
        padding: 35px;
        margin-top: 30px;
        flex-grow: 1;  /* 底部区域自动填充剩余空间 */
        p{
            font-family: PingFangSC, PingFang SC;
            font-weight: 400;
            font-size: 16px;
            color: #20262C;
            text-align: justify;
            height: 100%;  /* 文本区域填满父容器 */
            display: flex;  /* 使用flex布局 */
            align-items: center;  /* 垂直居中 */
        }
    }
}


.serve_al{
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding-top: 100px;
    position: relative;
    h3{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 36px;
        color: #20262C;
        text-align: center;
    }
}
.serve_al_content{
     display: flex;
     justify-content: space-evenly;
     position: relative;
     top: 100px;
     z-index: 2;
     flex-wrap: wrap;
}
.serve_al > div:last-child {
    position: relative;
    z-index: 1;
    margin-top: -50px;
}


.serve_advantages{
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding-top: 100px;
    h3{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 36px;
        color: #20262C;
        text-align: center;
    }
}
.serve_advantages_card{
     display: flex;
     align-items: stretch;
     justify-content: space-between;
     margin-top: 80px;
}
.serve_advantages_card_1_hover{
    transition: all 0.3s ease; 
}
.serve_advantages_card_1_hover:hover{
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .3);
}
.serve_advantages_card_1{
      position: relative;  
      width: 25%;
      background: #FFFFFF;
      box-shadow: 0px 0px 18px 11px rgba(203,204,231,0.1);
      border-radius: 16px;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      .card-tag {  
        position: absolute;
        top: 0;
        left: 0;
        width: 100px;
        height: 50px;
        background: linear-gradient(90deg, #3498FF 0%, #3C37FF 100%);
        border-radius: 16px 0px 16px 0px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 24px;
        font-weight: bold;
    }
      h4{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 24px;
        color: #3C32FF;
        padding: 25px 0;
      }
      p{
        font-family: PingFangSC, PingFang SC;
        font-weight: 400;
        font-size: 16px;
        color: #20262C;
        text-align: justify;
      }
}



.serve_bz{
      background-image: url('../img/serve_beijing1.png');
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
      padding-bottom: 50px;
}
.serve_bz_content{
        width: 100%;
        max-width: 1500px;
        margin: 0 auto;
        padding-top: 80px;
        h3{
            font-family: PingFangSC, PingFang SC;
            font-weight: 500;
            font-size: 36px;
            color: #20262C;
            text-align: center;
        }
}
.serve_bz_card{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        row-gap: 15px;
        margin-top: 50px;
}
.serve_bz_card_1{
        width: 30%;
        display: flex;
        gap: 20px;
        background: #FFFFFF;
        box-shadow: 0px 0px 18px 11px rgba(203,204,231,0.1);
        border-radius: 16px;
        padding: 20px;
}
.serve_bz_card_right {
    display: flex;
    flex-direction: column;
    gap: 10px;
        
    h4{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 24px;
        color: #3C32FF;
    }
    p{
        font-family: PingFangSC, PingFang SC;
        font-weight: 400;
        font-size: 16px;
        color: #20262C;
    } 
}

.serve_ad{
        display: flex;
        justify-content: space-around;
        width: 100%;
        max-width: 1500px;
        margin: 0 auto;
        background: linear-gradient( 90deg, #358AFF 0%, #3E34FF 100%);
        border-radius: 16px;
        padding-top: 35px;
        padding-bottom: 35px;
        margin-top: 30px;
}
.serve_ad_card{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
    position: relative; 
    gap: 12px;
    h4{
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 20px;
        color: #FFFFFF;
    }
    &:not(:last-child)::after { /* 新增伪元素实现边框 */
        content: '';
        position: absolute;
        right: 0;
        top: 20%; /* 控制上边距 */
        bottom: 20%; /* 控制下边距 */
        width: 1px;
        background: #fff;
    }
}

.AI_content{
    background-image: url('../img/aicj_bg.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.AI_zx{
     width: 100%;
     max-width: 1500px;
     margin: 0 auto;
     padding: 80px 0;
     position: relative;
     h3{
        text-align: center;
        font-family: PingFangSC, PingFang SC;
        font-weight: 500;
        font-size: 36px;
        color: #20262C;
     }
     .AI_img{
         img{
            width: 20%;
            height: auto;
         }
     }
}
.AI_card{
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    padding-top: 50px;
}
.AI_card_1{
     display: flex;
     flex-direction: column;
     gap: 15px;
     width: 20%;
     padding: 30px;
     background: linear-gradient( 316deg, #EBEDFF 0%, #FEFEFE 100%, #FEFEFE 100%);
     border-radius: 16px;
     border: 2px solid rgba(255,255,255,0.89);
     h4{
        text-align: center;
        font-family: PingFangSC, PingFang SC;
        font-weight: 600;
        font-size: 24px;
        color: #3C32FF;
     }
     p{
        text-align: center;
        font-family: PingFangSC, PingFang SC;
        font-weight: 400;
        font-size: 16px;
        color: #20262C;
     }
}










/* 移动端媒体查询 */
@media screen and (max-width: 960px){
    .whatdo_card{
        flex-wrap: wrap;
        flex-direction: column;
        padding: 15px;
    }
    .serve_advantages_card{
            flex-direction: column;
            flex-wrap: wrap;
            gap: 25px;
            padding: 15px;
            margin-top: 50px;
    }
    .serve_advantages_card_1{
           width: 80%;
           h4{
              font-size: 20px;
              font-weight: 700;
           }
    }
    .serve_advantages{
        h3{
            font-size: 25px;
            font-weight: 700;
        }
    }
    .serve_al {
        padding-top: 50px;
    }
    .serve_al_bg{
         display: none;
    }
    .serve_al h3 {
        font-size: 25px;
        font-weight: 700;
    }
    
    .serve_al_content {
        flex-direction: column;
        align-items: center;
        top: 50px;
        gap: 20px;
    }
    
    .serve_al_content img {
        width: 90%;
        max-width: 400px;
    }
    
    .serve_al > div:last-child {
        margin-top: 0;
    }

    .serve_bz_card_1{
        width: 84%;   
    }
    .serve_bz_card{
        justify-content: center;
    }
    .AI_card_1{
        width: 100%;
    }
    .AI_img{
        display: none;
    }
    .AI_card{
        padding: 15px;
    }
    .geo_whatdo{
        padding-top: 50px;
    }
    .whatdo_card{
        margin-top: 50px;
    }
    .geo_whatdo{
        h3{
            font-size: 25px;
            font-weight: 700;
        }
    }
    .docard_top{
        h4{
            font-size: 20px;
            font-weight: 600;
        }
    }
    .serve_bz_content{
        h3{
            font-weight: 700;
            font-size: 25px;
        }
    }
    .serve_bz_card_right{
        h4{
            font-size: 20px;
            font-weight: 700;
        }
    }
    .AI_zx{
        h3{
            font-size: 25px;
            font-weight: 700;
        }
    }
    .AI_card_1{
        h4{
            font-size: 20px;
            font-weight: 700;
        }
    }
}