body {
    margin: 0;
    padding: 0;
}

.layout {
    width: 100%;
    /* opacity: 0; */
    /* animation: fadeIn 1s ease-in forwards; */
}

.jCenter {
    justify-content: center;
}

.layout .image-item {
    width: 100%;
    min-height: 100vh;
    /* transition: transform 0.3s ease, opacity 0.8s ease; */
    position: relative;
    /* will-change: transform, opacity; */
    /* opacity: 0; */
    /* 初始隐藏 */
    /* transform: translateY(50px); */
    /* 初始向下偏移 */
}

/* 页面加载淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


/* 视差滚动效果 */
.layout .image-item .item-content {
    width: 75vw;
    /*min-height: 100vh;*/
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-content: center;
}


/* 滚动渐显动画 */
.image-item.reveal {
    animation: reveal 1s ease-out forwards;
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(2.6042vw);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 鼠标悬停缩放效果 */
.layout .image-item:hover {
    /* transform: scale(1.02); */
}

/* 修正背景样式，确保只作用于image-item本身 */
.layout .image-item:nth-child(1) {
    background-size: cover !important;
    background: url('../images/new/ESG.png') no-repeat center;
}

.layout .image-item:nth-child(2) {
    background: rgba(141, 212, 189, .1);
}

.layout .image-item:nth-child(3) {}



.screen.active {
    opacity: 1;
    visibility: visible;
}



/* 标题区域 */
.develop-header {
    text-align: center;
    z-index: 2;
    position: relative;
}

.develop-header h3 {
    font-size: 1.9792vw;
    color: #007F6E;
    font-weight: normal;
    letter-spacing: 0.4167vw;
    margin-top: 0;
    margin-bottom: 0.625vw;
    font-family: FZZhengHeiS-DB-GB;
}

.underline {
     width: 3.125vw;
    height: 0.2083vw;
    background: #007F6E;
    margin: 0 auto;
}


.source-section {
    width: 100%;
    margin-top: 5.2083vw;
}

.source-header {
    text-align: center;
}

.source-header h1 {
    font-size: 1.6667vw;
    color: #00796b;
}

.underline {
    width: 3.125vw;
    height: 0.2083vw;
    background-color: #00796b;
    margin: 0 auto;
}

.source-content {
    width: 75vw;
    margin: 3.125vw auto;
    display: flex;
    justify-content: space-between;
    /*align-items: center;*/
}

.source-left {
    width: 14.0625vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    height: 23.9583vw;
}

.source-title {
    font-size: 1.7708vw;
    color: #00796b;
    font-weight: normal;
    font-family: FZZhengHeiS-DB-GB;
}

.source-desc {
    font-size: 1.25vw;
    color: #555;
    line-height: 2.3958vw;
    margin-top: 0.5208vw;
    font-family: FZZhengHeiS-DB-GB;
}

.source-nav {
    margin-top: 1.7708vw;
    display: flex;
    align-items: center;
    user-select: none;
    caret-color: transparent;
    cursor: pointer;
    position: absolute;
    bottom: 0;

}

.nav-btn {
    /* border: 0.0521vw solid #00796b; */
    background: none;
    border-radius: 50%;
    width: 2.0833vw;
    height: 2.0833vw;
    margin-right: 0.5208vw;
    cursor: pointer;
    color: #00796b;
    transition: transform 0.3s ease;
}

.nav-btn:hover {
    transform: scale(1.1);
}

.video-name {
    position: absolute;
    top: 1.0417vw;
    left: 1.0417vw;
    color: #FFFFFF;
    font-size: 1.0417vw;
    font-family: PingFang SC;

}

.video-wrapper {
    position: relative;
    width: 42.7083vw;
    height: 23.9583vw;
    overflow: hidden;
}

.video-panel {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translate(-1.5625vw, 1.5625vw) scale(0.95);
    transition: opacity 0.8s ease, transform 0.8s ease;

}

.video-panel.active {
    opacity: 1;
    z-index: 2;
    transform: translate(0, 0) scale(1);
}

.video-panel video {
    width: 100%;
    height: 100%;
    /*object-fit: cover;*/
    border-radius: 4.1667vw 0 4.1667vw 0;
    object-fit: contain;
}

.play-button {
    position: absolute;
    width: 4.1667vw;
    height: 4.1667vw;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

.play-icon {
    width: 0;
    height: 0;
    border-left: 1.3021vw solid #fff;
    border-top: 0.78125vw solid transparent;
    border-bottom: 0.78125vw solid transparent;
    margin-left: 0.2604vw;
}


/* 隐藏滚动条（针对 Webkit 浏览器，如 Chrome、Safari） */
.source-right::-webkit-scrollbar {
    display: none;
}

.source-right-wrapper {
    width: 9.8958vw;
    height: 27.0833vw;
    position: relative;
}

.source-right {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
    -ms-overflow-style: none;
    /* IE 和 Edge */
    scrollbar-width: none;
    /* Firefox */
    border-right: 0.0521vw solid #E5E5E5;
    position: relative;
    -ms-overflow-style: none;
    scrollbar-width: none;
    font-family: PingFang SC;

}

/* 隐藏滚动条（针对 Webkit 浏览器，如 Chrome、Safari） */
.source-right::-webkit-scrollbar {
    display: none;
}

/* 固定渐变覆盖层 */
.gradient-overlay {
    position: absolute;
    bottom: -0.0521vw;
    left: 0;
    width: 100%;
    height: 3.6458vw;
    /* 渐变高度，可根据需要调整 */
    background: linear-gradient(180deg, rgba(243, 250, 248, 0) 13%, #F3FAF8 77%);
    pointer-events: none;
    /* 防止影响点击 */
    z-index: 10;
    /* 确保覆盖在内容之上 */
}

/* 隐藏时的样式 */
.gradient-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    /* 确保点击事件不被阻止 */
}


.source-list-container {
    position: relative;
    height: auto;
    z-index: 1;
}

.source-indicator {
    position: absolute;
    top: 0;
    right: 0;
    width: 0.1042vw;
    height: 1.3542vw;
    background-color: #00796b;
    transition: top 0.3s ease;
}

.source-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.source-list :last-child {
    margin-bottom: 0;
}

.source-list li {
    font-size: 1.0417vw;
    color: #999;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2.8125vw;
    /* line-height: 40px; */
    line-height: 1.3542vw;
    text-align: right;
    position: relative;
    right: 0.7813vw;
    white-space: nowrap;
}

.source-list li.active {
    color: #333;
    font-weight: bold;
}

.dengfeng-header {
    width: 100%;
    height: 64.5833vw;
    background: url('../images/new/xfpdBG.png');
    background-repeat: no-repeat;
    background-position: top center;
    background-size: cover;
}

.dengfeng-title {
    padding-top: 5.2083vw;
}

.dengfeng-title h3 {
    color: #fff;
}

.dengfeng-title .underline {
    background: #fff;
}

.sub-dengfeng-title {
    font-family: FZZhengHeiS-DB-GB;
    font-size: 1.25vw;
    line-height: 1.5625vw;
    color: #fff;
    margin-top: 3.125vw;
}

.dengfeng-top-img {
    width: 75vw;
    margin: 2.6042vw auto 7.8125vw;
}

.dengfeng-top-img img {
    width: 100%;
}

.dengfeng-bottom-title {
    font-family: FZZhengHeiS-DB-GB;
    font-size: 1.25vw;
    line-height: 1.5625vw;
    color: #fff;
    margin-top: 3.125vw;
}
.bottom_list {
    width: 75vw;
    display: flex;
    position: relative;
    margin: 0 auto;
    opacity: 0; /* 默认隐藏 */
    visibility: hidden; /* 避免占用空间 */
    transition: opacity 0.3s ease, visibility 0.3s ease; /* 平滑显示 */
}

.bottom_list.is-visible {
    opacity: 1; /* 进入视口时显示 */
    visibility: visible;
}

.bottom_list_item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0; /* 初始不可见 */
    transform: translateX(-2vw); /* 初始左侧偏移 */
}

.bottom_list.is-visible .bottom_list_item {
    animation: fadeInFromLeft 0.8s ease-out forwards; /* 进入视口时触发动画 */
    animation-delay: calc(0.3s * var(--index)); /* 交错延迟 */
}

.bottom_list_img {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5208vw;
    max-width: 8.3333vw;
}

.bottom_list_img img {
    width: 3.6458vw;
    object-fit: contain;
    cursor: pointer; /* 图片可点击 */
}

.flag {
    width: 1.8229vw;
    height: 2.3438vw;
    object-fit: contain;
    margin: 0.5208vw 0 0.2604vw;
}

.bottom_list_title {
    color: #fff;
    font-family: PingFang SC;
    font-size: 0.625vw;
}

/* 定义从左到右渐显的动画 */
@keyframes fadeInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-2vw);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 模态框样式 */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7); /* 半透明黑色遮罩 */
    display: none; /* 默认隐藏 */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.image-preview-modal.active {
    display: flex; /* 显示模态框 */
}

/* 模态框图片样式 */
.modal-content {
    max-width: 80vw; /* 限制最大宽度 */
    max-height: 80vh; /* 限制最大高度 */
    object-fit: contain; /* 保持比例 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); /* 添加阴影 */
}

/* 关闭按钮样式 */
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

/* 现有定位样式 */
.bottom_list :nth-child(1) {
    top: 7.2917vw;
}

.bottom_list :nth-child(2) {
    top: -2.6042vw;
    left: 6.5104vw;
}

.bottom_list :nth-child(2) .bottom_list_img :nth-child(2n) {
    position: relative;
    top: -0.7813vw;
    left: 0;
}

.bottom_list :nth-child(3) {
    top: 8.0729vw;
    left: 13.8021vw;
}

.bottom_list :nth-child(3) .bottom_list_title {
    position: relative;
    top: -1.0417vw;
    left: -2.0833vw;
}

.bottom_list :nth-child(4) {
    top: 9.8958vw;
    left: 18.4896vw;
}

.bottom_list :nth-child(5) {
    top: 8.5938vw;
    left: 22.8125vw;
}

.bottom_list :nth-child(6) {
    top: 5.9896vw;
    left: 27.3438vw;
}

.bottom_list :nth-child(7) {
    top: 9.8958vw;
    left: 33.8542vw;
}

.bottom_list :nth-child(8) {
    left: 38.0208vw;
    top: 4.6875vw;
}

.bottom_list :nth-child(9) {
    left: 44.5313vw;
    top: 7.5521vw;
}

.bottom_list :nth-child(9) .bottom_list_title {
    position: relative;
    top: -1.0417vw;
    left: -2.0833vw;
}

.bottom_list :nth-child(10) {
    left: 49.4792vw;
    top: 8.8542vw;
}

.bottom_list :nth-child(11) {
    left: 56.1458vw;
    top: 10.2604vw;
}

.bottom_list :nth-child(12) {
    left: 62.2396vw;
    top: 11.4583vw;
}

.bottom_list :nth-child(13) {
    left: 66.1458vw;
    top: 8.8542vw;
}

.bottom_list :nth-child(14) {
    right: 0.2604vw;
    top: 10.9375vw;
}

.dengfeng-introduce {
    display: flex;
    /* align-items: center; */
    margin: 4.1667vw 0 8.3333vw;
}

.dengfeng-left {
    max-width: 28.125vw;
    font-family: PingFang SC;
    font-weight: normal;
    line-height: 2.6042vw;
    letter-spacing: 0.1042vw;
    color: #767676;
    display: flex;
    flex-direction: column;
    gap: 3.6458vw;
}

.dengfeng-left p {
    display: block;
    margin: 0;
    font-size: 1.25vw;
    text-indent: 2.8646vw;
    text-align: justify;

}

.dengfeng-right {
    margin-left: 8.8542vw;
    position: relative;
    flex: 1;
    /* height: 31.25vw; */
    margin-top: 9.1667vw;
}

.dengfeng-right .dengfeng-right-img {
    width: 16.6667vw;
    height: 31.25vw;
    object-fit: cover;
    border-radius: 0 1.5625vw 1.5625vw 0;
    position: absolute;
    display: block;
}

.item-border {
    width: 100%;
    height: 100%;
    border: 0.1563vw solid #EAEAEA;
    border-radius: 0 3.125vw 0 3.125vw;
}

.dengfeng-right .dengfeng-right-img img {
    width: 100%;
    height: 100%;
    position: absolute;
    right: 0.5208vw;
    top: 0.5208vw;

}

.dengfeng-right .dengfeng-right-img:nth-child(1) {
    z-index: 1;
}

.dengfeng-right .dengfeng-right-img:nth-child(2) {
    z-index: 4;
    left: 12.5vw;
    top: 18.2292vw;
}

.dengfeng-right .dengfeng-right-img:nth-child(3) {
    z-index: 3;
    right: 0.2604vw;
    top: -7.5521vw;
}



.dengfeng-video {
    width: 100%;
    height: 42.1875vw;
    margin-bottom: 9.375vw;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dengfeng-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* object-fit: contain; */
}



.packaging-experience-header {
    width: 100%;
    height: 36.46vw;
    background-size: cover !important;
    background: url('../images/new/bzty.png') no-repeat top center;
}

.packaging-experience-header h3 {
    padding-top: 5.2083vw;
    color: #fff;
}

.packaging-experience-header .underline {
    background: #fff;
}

.packaging-experience {
    margin: 4.1667vw 0;
    display: flex;
    flex-direction: column;
    gap: 3.6458vw;
}

.packaging-experience p {
    font-family: PingFang SC;
    font-size: 1.25vw;
    font-weight: normal;
    line-height: 2.6042vw;
    text-align: justify;
    /* 浏览器可能不支持 */
    letter-spacing: 0.1042vw;
    color: #767676;
    text-indent: 2.8646vw;


}

.packaging-experience-image-bg {
    width: 100%;
    overflow: hidden;
    background: linear-gradient(0deg, rgba(141, 212, 189, 0.1), rgba(141, 212, 189, 0.1)), #FFFFFF;
    position: relative;
    bottom: -0.1563vw;
}

.packaging-experience-image {
    width: 100vw;
    margin: 0 auto;
    height: 36.4583vw;
    background-size: contain !important;
    background: url('../images/new/bztyMode.png') no-repeat top center;
    position: relative;
}

.packaging-experience-item {
    position: absolute;
}

.packaging-experience-item:nth-child(1) {
    left: 25.5729vw;
    top: 13.6979vw;
}

.packaging-experience-item:nth-child(2) {
    left: 38.0208vw;
    top: 5.8333vw;
}

.packaging-experience-item:nth-child(3) {
    left: 56.3542vw;
    top: 5.8333vw;
}

.packaging-experience-item:nth-child(4) {
    left: 68.8021vw;
    top: 13.6979vw;
}

.packaging-experience-item:nth-child(1) .item-title {
    left: -8.3333vw;
}

.packaging-experience-item:nth-child(2) .item-title {
    left: -7.2917vw;
    top: 0.5208vw;
}

.packaging-experience-item:nth-child(3) .item-title {
    left: 6.25vw;
    top: 0.5208vw;
}

.packaging-experience-item:nth-child(4) .item-title {
    left: 6.25vw;
}

/* 文本气泡偏移 */
.packaging-experience-item:nth-child(1) .packaging-text {
    left: 6.7708vw;
    top: -8.3333vw;
}

.packaging-experience-item:nth-child(2) .packaging-text {
    left: 6.7708vw;
    top: -7.2917vw;
}

.packaging-experience-item:nth-child(3) .packaging-text {
    left: -22.3958vw;
    top: -5.7292vw;
}

.packaging-experience-item:nth-child(4) .packaging-text {
    left: -28.6458vw;
    top: -5.7292vw;
}

.packaging-experience-item:nth-child(3) .packaging-text_arrow,
.packaging-experience-item:nth-child(4) .packaging-text_arrow {
    left: auto;
    right: -1.0417vw;
    border-top: 0.7813vw solid transparent;
    border-bottom: 0.7813vw solid transparent;
    border-right: none;
    border-left: 1.0417vw solid #fff;
}

.packaging-experience-item .item-title {
    font-family: FZZhengHeiS-DB-GB;
    font-size: 1.25vw;
    font-weight: normal;
    line-height: 2.0833vw;
    letter-spacing: 0.0391vw;
    color: #007F6E;
    position: absolute;
    white-space: nowrap;
}

.packaging-experience-item .item-bg {
    width: 5.7292vw;
    height: 5.7292vw;
    position: relative;
}

.packaging-experience-item .item-bg img {
    cursor: pointer;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.packaging-experience-item .item-bg:hover~.packaging-text {
    visibility: visible;
    opacity: 1;
}

.packaging-text {
    visibility: hidden;
    opacity: 0;
    z-index: 5;
    transition: all 0.3s ease;
    position: relative;
    background: #fff;
    border-radius: 0.5208vw;
    padding: 1.8229vw 2.0833vw;
    margin-top: 0.625vw;
    box-shadow: 0 0.2083vw 0.625vw rgba(0, 0, 0, 0.05);
    font-size: 0.9375vw;
    line-height: 1.7708vw;
    max-width: 57.2917vw;
    color: #767676;
}

/* 箭头样式 */
.packaging-text_arrow {
    position: absolute;
    top: 50%;
    left: -1.0417vw;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 0.7813vw solid transparent;
    border-bottom: 0.7813vw solid transparent;
    border-right: 1.0417vw solid #fff;
    /*box-shadow: -2px 2px 6px rgba(0, 0, 0, 0.05); !* 模拟阴影 *!*/
    font-family: PingFang SC;

}


@media (max-width: 768px) {
    .layout .image-item {
        min-height: auto !important;
    }

    .layout .image-item:nth-child(1) {
        height: 300px !important;
        background-size: cover !important;
    }

    .layout .image-item .item-content {
        width: 100% !important;
        min-height: auto;
        padding: 10px;
    }

    .source-section {
        margin-top: 30px;
    }

    .source-content {
        width: 100%;
        flex-direction: column;
        margin: 30px 0;
    }

    .source-left {
        display: none;
    }

    .source-right-wrapper {
        margin-top: 20px;
        width: 100%;
        height: auto;
        border: none;
    }

    .source-right {
        border: none;
    }

    .source-indicator {
        display: none;
    }

    .source-list {
        display: flex;
        overflow-x: scroll;
    }

    .source-list li {
        width: 100%;
        display: block;
        white-space: nowrap;
        margin-bottom: 0;
        margin-right: 30px;
        line-height: 30px;
        font-size: 18px;
    }

    .gradient-overlay {
        display: none;
    }

    .develop-header h3,
    .source-title,
    .source-header h1,
    .packaging-experience-header h3 {
        font-size: 24px !important;
        letter-spacing: 1px;
    }

    .source-desc,
    .packaging-experience p {
        font-size: 14px !important;
        line-height: 24px !important;
        padding: 0 16px;
    }

    .dengfeng-left {
        font-size: 14px !important;
        /* width: 100% !important; */
        max-width: 100%;
        line-height: 15px !important;
        gap: 15px;

    }

    .dengfeng-left p {
        font-size: 14px !important;
        line-height: 24px !important;


    }

    .dengfeng-introduce {
        width: 100% !important;
    }

    .packaging-text {
        font-size: 14px !important;
        line-height: 24px !important;
        padding: 20px;
    }

    /* 视频按钮缩小 */
    .play-button {
        width: 40px !important;
        height: 40px !important;
    }

    /* 视频大小适配 */
    .video-wrapper {
        width: 100% !important;
        height: 200px !important;
    }

    .play-icon {
        width: 0;
        height: 0;
        border-left: 12px solid #fff;
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        margin-left: 5px;
    }

    .video-panel video {
        border-radius: 20px !important;
    }

    /* 包装体验图文块布局调整 */
    .packaging-experience-image {
        height: auto !important;
        background-size: cover !important;
        display: none;
    }

    .packaging-experience-item {
        /* position: static !important;
        margin-bottom: 20px;
        text-align: center; */
    }

    .sub-dengfeng-title,.dengfeng-bottom-title{
        font-size: 10px;
        line-height: 14px;
    }

.dengfeng-header{
    height: 320px;
}


    .dengfeng-introduce {
        margin: 20px 0;
        justify-content: center;
    }


    /* 登峰视频区域适配 */
    .dengfeng-video {
        height: 200px !important;
        margin-bottom: 80px !important;
        /* padding: 0 16px; */
    }



    .dengfeng-right {
        display: none !important;
    }

    /* .packaging-experience-header {
        height: 300px;
        background-size: cover !important;
    } */

    .packaging-experience {
        margin: 20px 0;
    }

    .cert-grid {
        gap: 0;
        /* 移动端取消间距，证书紧贴 */
    }

    .cert-item-wrapper {
        flex: 0 0 100%;
        /* 每个证书占满视口宽度 */
        width: 100vw;
        /* 确保宽度为视口宽度 */
    }

    .cert-item {
        width: 100%;
        /* 证书内容占满容器 */
        max-width: 100vw;
        /* 防止溢出 */
        box-sizing: border-box;
        padding: 0 15px;
        /* 添加内边距以优化显示 */
    }

    .cert-image {
        height: auto;
        /* 自适应高度 */
        max-height: 300px;
        /* 限制图片高度，防止过大 */
    }

    .cert-description {
        height: auto;
        /* 自适应描述高度 */
        padding: 0 20px;
    }

    .cert-description p {
        -webkit-line-clamp: 4;
        /* 移动端显示4行文字 */
        line-height: 32px;
        font-size: 16px;
        /* 调整字体大小 */
    }

    .cert-badge {
        margin: 20px 0;
        /* 减少徽章上下间距 */
    }

    .cert-label {
        font-size: 20px;
        /* 移动端缩小字体 */
        height: 40px;
        line-height: 40px;
        padding: 0 20px;
    }

    .navigation {
        gap: 10px;
        /* 导航按钮间距缩小 */
        margin-top: 20px;
    }

    .nav-btn {
        width: 32px;
        height: 32px;
    }
}




@media (max-width:568px) {}

@media (max-width:468px) {}