.topback {
    z-index:900;
    height:500px;
    width:100%;
    position:absolute;
    left:10;
    top:0;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}
a {
    text-decoration: none; /* 移除下划线 */
    color: inherit; /* 继承父元素的字体颜色，或者你可以指定一个颜色，例如 color: #000; */
}

    a:visited {
        color: inherit; /* 同样适用于已访问的链接 */
    }
.emptydiv {
    height: 600px;
    width: 1800px;
}
.topbutton {
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 20px;
    margin: 0 12px;
    transition: all .3s ease;
    margin-right: 10px;
    border-radius: 20px;
}
.topbutton:hover {
    background-color: #00652d;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 20px;
    margin: 0 12px;
    border-radius: 20px;
    transition: all .3s ease;
    margin-right: 10px;
    cursor:pointer;
    
}
.topbutton_current {
    background-color: #00652d;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 20px;
    margin: 0 12px;
    border-radius: 20px;
    transition: all .3s ease;
    margin-right: 10px;
    cursor: pointer;
}
.topbuttons {
    display: flex;
    justify-content: flex-end;
    height: 35px;
}
.topspace{
    height:30px;
}
.top1 {
    display: flex;
    justify-content:center;
}
.top2 {
    margin-left:30px;
    margin-right:60px;
}
.top021 {
    background-color: #00652d;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 20px;
    margin: 0 12px;
    border-radius: 20px;
    transition: all .3s ease;
    margin-right: 10px;
    padding-left:30px;
}
.topen {
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 6px 20px;
    margin: 0 12px;
    transition: all .3s ease;
    margin-right: 10px;
}
.bottomback {
    background-image: url(image/bottom.png);
    background-size: cover; /* 覆盖整个元素，保持宽高比 */
    background-repeat: no-repeat; /* 防止图片重复 */
}
.bottom_0 {
    height: 250px;
    display: flex;
    justify-content: center;
    font-size: 24px;
    font-weight: 500;
    line-height: 200px;
   
}
.bottom_1 {
    
    display: flex;
    justify-content: center;
    font-size: 24px;
    font-weight: 500;
    line-height: 36px;
    color: #fff;
}
.bottom_2 {
    display: flex;
    justify-content: center;
    margin-left: 7%;
    margin-right: 10%;
    margin-top: 50px;
}
.bottom_21 {
    margin-left: 4%;
    margin-right: 4%;
}
.bottom_3 {
    display:flex;
    justify-content:center;
    margin-top:40px;
}
.bottom_text{
    color: #ccc;
}
.bottom_text:hover {
    color: #7ed321;
}
.bottom_31{
    margin-right:70px;
}
.bottom_32 {
    margin-right: 250px;
    line-height:40px;
}
.bottom_33 {
    margin-right: 250px;
    line-height: 40px;
}
.bottom_btext {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 25px
}

.bottom_contact {
    color: #ccc;
    line-height:33px;
    font-size:13px;
}
.bottom_last {
    color: hsla(0, 0%, 100%, .4);
    font-size: 14px;
    line-height: 48px;
    background-image: url(image/bk_last.png);
    width:100%;
    display:flex;
    justify-content:center;
   
}
.outer-container {
    position: absolute;
    left: 0;
    top: 0;
    height: 500px;
    width: 100%;
    overflow: hidden;
}
/* 容器样式：限制高度 + 开启吸附 + 隐藏滚动条 */
.banner-slides {
    height: 500px;
    width: 100%;
    overflow: hidden;   
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    /* 垂直滚动 */
    overflow-y: scroll;
    /* 平滑滚动过渡 */
    scroll-behavior: smooth;
    /* 滚动吸附：子元素滚动到容器后，自动对齐到容器顶部 */
    scroll-snap-type: y none;
}

.topgreen {
    position: absolute;
    z-index:999;
    left: 0;
    top: 360px;
    width: 100%;    
}
.slide {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    /* 子元素吸附规则：对齐到容器顶部 */
    scroll-snap-align: start;
}

/*@keyframes autoScroll {

    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-500px);*/ /* 8 个 slide 总滚动距离：(8-1)*500 = 3500 */
    /*}
}

.banner-slides {
    animation: autoScroll 5s linear infinite;
}*/

.banner-slides:hover {
        animation-play-state: paused;
    }