*{
    margin:0;
    padding:0;
}
.relationTop{
    width: 113%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.relationTop_There{
    width:380px;
    height:32.19px;
    line-height: 1.2;
    padding:0 15px 0 15px;
}
.relationTop_There h4{
    color:#212529;
    font-weight: 500;
}
/* 第二大部分 */
.relationBottom{
    width:1140px;
    display: flex;
    flex-direction: column;
    color:#212529;
}
.relationBottom_box{
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-around;
    margin-bottom:40px;
}
.relationBottom_boxleft{
    display: flex;
    flex-direction: column;
    width:570px;
    height:444px;
    padding:182px 15px 140px 15px;
    animation-name: fadeInDown; /* 设置动画名称 */
    animation-duration: 1s; /* 设置动画持续时间 */
    animation-timing-function: ease-out; /* 设置动画速度曲线 */
    animation-fill-mode: both; /* 设置动画结束后元素样式 */
    opacity: 0; /* 初始状态为不可见 */
    transform: translateY(-60px); /* 初始状态下向上移动20px */
}
.relationBottom_boxright2{
    
    width:570px;
    height:444px;
    background-color: antiquewhite;
    border:1px solid #2466a8;
    display: flex;
    flex-direction: column;
    animation-name: fadeInDown; /* 设置动画名称 */
    animation-duration: 1s; /* 设置动画持续时间 */
    animation-timing-function: ease-out; /* 设置动画速度曲线 */
    animation-fill-mode: both; /* 设置动画结束后元素样式 */
    opacity: 0; /* 初始状态为不可见 */
    transform: translateY(-60px); /* 初始状态下向上移动20px */
}
.relationBottom_boxleft2{
    display: flex;
    flex-direction: column;
    width:570px;
    height:444px;
    padding:182px 15px 140px 15px;
    animation-name: fadeInDown2; /* 设置动画名称 */
    animation-duration: 1s; /* 设置动画持续时间 */
    animation-timing-function: ease-out; /* 设置动画速度曲线 */
    animation-fill-mode: both; /* 设置动画结束后元素样式 */
    opacity: 0; /* 初始状态为不可见 */
    transform: translateY(-60px); /* 初始状态下向上移动20px */
}
.relationBottom_boxleft h3{
    color:#212529;
}
#relationBottom_boxright,
#relationBottom_boxright2,
#relationBottom_boxright3{
    
    width:570px;
    height:444px;
    background-color: antiquewhite;
    border:1px solid #2466a8;
    animation-name: fadeInDown2; /* 设置动画名称 */
    animation-duration: 1s; /* 设置动画持续时间 */
    animation-timing-function: ease-out; /* 设置动画速度曲线 */
    animation-fill-mode: both; /* 设置动画结束后元素样式 */
    opacity: 0; /* 初始状态为不可见 */
    transform: translateX(60px); /* 初始状态下向上移动20px */
}
@keyframes fadeInDown {
    from {
      opacity: 0;
      transform: translateX(-60px); /* 动画开始前移回初始位置 */
    }
    to {
      opacity: 1;
      transform: translateX(0); /* 动画结束时移动到原始位置 */
    }
  }
  @keyframes fadeInDown2 {
    from {
      opacity: 0;
      transform: translateX(60px); /* 动画开始前移回初始位置 */
    }
    to {
      opacity: 1;
      transform: translateX(0); /* 动画结束时移动到原始位置 */
    }
  }

/* 媒体查询响应式布好局 */
/* 超小屏幕 768px以下 */
@media screen and (max-width: 768px) {
    .advantageH3 {
        color: #666666;
        font-size: 28px;
    }
        /* 背景图片变小 */
    /* .About_Us_backg{
    } */
    .advantage_item{
        width:75%;
    }
    .About_Us_Two_title{
        margin-left:0;
        text-align: center;
    }
    .About_Us_Two_More{
        margin:0 auto;
    }
    .About_Us_Two{
        left:28px;
    }
    /* 地图盒子 */
    .relationBottom_box{
        width:34%;
    }
    /* padding:182px 15px 140px 15px; */
    .relationBottom_boxleft,
    .relationBottom_boxleft2{
        padding:82px 0 72px;
    }
    .relationBottom_boxleft,
    #relationBottom_boxright,
    .relationBottom_boxleft2,
    #relationBottom_boxright2,
    #relationBottom_boxright3{
        width:386px;
        height:250px;
    }
}
/* 768px到992px之间 */
@media screen and (min-width: 768px) and (max-width: 992px) {
    .relationBottom_box{
        width:60%;
    }
}
/* 中等屏幕992px~1200px之间 */
@media screen and (min-width: 992px) and (max-width: 1200px) {
    .relationBottom_box{
        width:80%;
    }
}