body {
    margin-bottom: 240px;
}

/* 二级标签导航样式 */
.nav-tabs-custom {
    border-bottom: 1px solid lightgray;
    margin: -20px 0;
    margin-top: -30px;
    white-space: nowrap;
    overflow-x: auto; /*水平滚动*/
    overflow-y: hidden; /*禁用垂直导航*/
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 0;
    position: relative;
}

    .nav-tabs-custom .nav-item {
        flex-shrink: 0;
        margin: 0 -15px;
    }

    .nav-tabs-custom .nav-link {
        position: relative;
        padding: 0 0 3px;
        border: none;
        color: #666;
        font-size: 16px;
        font-weight: 500;
        background: transparent;
        transition: all 0.3s;
    }

        .nav-tabs-custom .nav-link::before {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: #007bff;
            transition: width 0.3s;
        }

        .nav-tabs-custom .nav-link.active {
            color: #000;
            font-weight: 600;
        }

            .nav-tabs-custom .nav-link.active::before,
            .nav-tabs-custom .nav-link:hover::before {
                width: 50px;
                left: 50%;
                transform: translateX(-50%);
            }

/* 标签内容样式-企业简介 */
.tab-content {
    padding: 30px;
    transition: all 1s ease;
    margin-top: -120px;
}

.tab-pane {
    display: none;
    margin-left: 20px;
}

    .tab-pane.active {
        display: block;
        animation: fadeIn 0.5s ease;
    }

    .tab-pane.show {
        display: block;
    }

    .tab-pane h3 {
        font-size: 22px;
        font-weight: 600;
        color: #333;
        position: relative;
        margin-top: 80px;
        padding-left: 12px;
    }

        .tab-pane h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: #007bff;
        }

    .tab-pane img {
        position: relative;
        width: 5%;
        height: auto;
    }

    .tab-pane h6 {
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 20px 0;
        color: #007bff;
        font-size: 24px;
        font-weight: 600;
    }

        .tab-pane h6:hover {
            transform: translateX(5px);
        }

        .tab-pane h6 .logo {
            display: inline-block;
            width: 100px;
            height: 70px;
            margin-right: 12px;
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            flex-shrink: 0;
        }



.subsidiary1 .logo, .subsidiary2 .logo {
    background-image: url('/images/logo_dh.png');
}

.subsidiary3 .logo {
    background-image: url('/images/logo_dy.png');
}

.tab-pane p {
    font-size: 14px;
    color: #666;
    line-height: 2.5;
    text-indent: 2em; /* 新增：段落首行缩进2字符 */
    margin: 5px auto; /* 可选：增加段落间距 */
}

#img-qyjj {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 800px;
    height: 500px;
    overflow: hidden;
    position: relative;
    margin: 50px auto;
}

.img-item-qyjj {
    width: 100%;
    height: 100%;
    background-repeat: no-repeat; /* 图片不重复 */
    background-position: center; /* 图片居中（可选） */
    background-size: contain; /* 图片完整显示（可选） */
    /*flex-shrink是Flexbox布局中的一个属性，用于控制Flex项（子元素）在空间不足时是否允许缩小。flex-shrink: 0;禁止缩小；flex-shrink: 1;允许缩小*/
    flex-shrink: 1;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    position: absolute;
}


/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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


/*德宏文化*/
#img-qywh {
    width: 100%;
    height: 400px;
    overflow: hidden;
    position: relative;
    text-align: center;
    margin-bottom: 50px;
}

.img-item-qywh {
    width: 800px;
    height: 400px;
    /*    border-radius: 10px;*/
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    display: inline-block; /* 保持行内特性 */
}

.culture-section {
    margin-bottom: 20px;
    text-align: left;
    padding: 20px;
}

    .culture-section h2 {
        font-size: 18px;
        color: #666;
        margin-bottom: 20px;
        font-weight: bold;
        text-align: left;
        margin-left: 100px;
    }

.culture-content {
    max-width: 800px;
    margin: 0 auto;
}

    .culture-content p {
        font-size: 14px;
        color: #666;
        line-height: 2;
        margin-bottom: 10px;
    }

/*荣誉资质*/
.page-title {
    text-align: center;
    padding: 40px 0;
    background: #f5f5f5;
    margin: 30px 50px;
}

    .page-title h2 {
        font-size: 32px;
        color: #333;
        margin-bottom: 10px;
    }

/* 时间线容器 */
.Honors-container {
    max-width: 1200px;
    margin: 0 20px;
    padding: 20px;
}

/* 时间线项目 */
.Honors-item {
    display: flex;
    margin-bottom: 30px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

    .Honors-item li {
        list-style: none;
        padding-left: 2em;
        position: relative;
    }

        .Honors-item li::before {
            content: "•";
            /*color: #1a237e;*/ /* 深蓝色 */
            color: darkblue;
            font-size: 1.4em; /* 比正常稍大 */
            position: absolute;
            left: 0;
            top: -0.25em; /* 微调垂直位置 */
        }

.Honors-date {
    width: 100px;
    padding-right: 20px;
    text-align: right;
    font-weight: bold;
    color: #333;
    flex-shrink: 0;
    position: relative;
    margin-top: 3px;
    font-size: 14px;
}

.Honors-content {
    font-size: 14px;
    color: #666;
}

/* 证书展示部分 */
.Honorscertificates-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
}

.Honorssection-title {
    text-align: center;
    font-size: 28px;
    color: #333;
    margin-bottom: 40px;
}

.Honorscertificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(147px, 1fr));
    gap: 60px;
    padding: 20px;
    margin: 0 10px;
}

.Honorscertificate-item {
    background: #fff;
    border-radius: 8px;
    /*overflow: hidden;*/
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    background-color: #e5a736;
}

    .Honorscertificate-item:hover {
        transform: translateY(-5px);
    }

    .Honorscertificate-item img {
        width: 9vw;
        height: 20vh;
        display: block;
        padding: 7px;
    }


/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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


/*发展历程*/
/* 时间线容器 */
.timeline-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

/* 时间线列表 */
.timeline-list {
    position: relative;
    padding: 20px 0;
}

    .timeline-list::before {
        content: '';
        position: absolute;
        left: 160px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(to bottom, #1a5f7a, #57a6c7, #1a5f7a);
        transform: scaleY(0);
        transform-origin: top;
        animation: drawLine 1.5s ease-out forwards;
        animation-delay: 0.3s;
    }

/* 时间线项目 */
.timeline-item {
    display: flex;
    margin-bottom: 30px;
    position: relative;
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInRight 0.8s ease forwards;
}

    /* 为每个时间线项目设置不同的延迟，创造错落有致的动画效果 */
    .timeline-item:nth-child(1) {
        animation-delay: 0.5s;
    }

    .timeline-item:nth-child(2) {
        animation-delay: 0.7s;
    }

    .timeline-item:nth-child(3) {
        animation-delay: 0.9s;
    }

    .timeline-item:nth-child(4) {
        animation-delay: 1.1s;
    }

    .timeline-item:nth-child(5) {
        animation-delay: 1.3s;
    }

    .timeline-item:nth-child(6) {
        animation-delay: 1.5s;
    }

    .timeline-item:nth-child(7) {
        animation-delay: 1.7s;
    }

    .timeline-item:nth-child(8) {
        animation-delay: 1.9s;
    }

.timeline-date {
    width: 140px;
    padding-right: 20px;
    text-align: right;
    font-weight: bold;
    color: #333;
    flex-shrink: 0;
    position: relative;
    margin-top: 3px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.timeline-content {
    position: relative;
    background: #fff;
    padding: 12px 20px;
    margin-left: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    flex-grow: 1;
    margin-right: 40px;
    font-size: 14px;
    transition: all 0.3s ease;
    transform: translateY(10px);
    opacity: 0;
    animation: fadeInUpContent 0.5s ease forwards;
    animation-delay: 0.8s;
}

    .timeline-content::before {
        content: '';
        position: absolute;
        left: -15px;
        top: 10px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: #1a5f7a;
        border: 2px solid #fff;
        box-shadow: 0 0 0 4px rgba(26,95,122,0.2);
        transform: scale(0);
        animation: scaleIn 0.5s ease forwards;
        animation-delay: 0.8s;
    }

    .timeline-content p {
        margin: 0;
        color: #333;
        line-height: 1.5;
    }

/* 悬停效果 */
.timeline-item:hover .timeline-date {
    color: #1a5f7a;
    transform: translateX(5px);
}

.timeline-item:hover .timeline-content {
    box-shadow: 0 8px 20px rgba(26,95,122,0.15);
    transform: translateY(-2px);
    background: #f8fdff;
}

    .timeline-item:hover .timeline-content::before {
        background: #57a6c7;
        box-shadow: 0 0 0 4px rgba(87,166,199,0.3);
    }

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes fadeInUpContent {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes scaleIn {
    from {
        transform: scale(0);
    }

    to {
        transform: scale(1);
    }
}

@keyframes drawLine {
    from {
        transform: scaleY(0);
    }

    to {
        transform: scaleY(1);
    }
}



/*二级导航栏冻结样式*/
.secondary-nav-container {
    position: sticky;
    padding-top: 20px; /* 根据你的主导航高度调整 */
    z-index: 990;
    background: white;
    width: 100%;
    /* box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* 可选：添加轻微阴影*/
}

/* 调整内容区域上边距，防止内容被固定导航遮挡 */
section.container.py-5 {
    padding-top: 200px; /* 根据二级导航高度调整 */
    transition: none;
}

@media (max-width: 1366px) {
     .slideshow-container .slide img {
        object-position: center 20%; /*默认显示图片的上半部分 */
    }
}

/* 桌面端 */
@media (max-width: 1280px) {
    body {
        margin-bottom: 750px;
    }

    html[lang="en-US"] body {
        margin-bottom: 800px;
    }

    /*全宽图片区域适配 */
    .slideshow-container {
        height: 45vh;
    }

    .text-line1 {
        font-size: 40px;
    }

    .text-line2 {
        font-size: 36px;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 28px !important;
    }

    /* 二级导航适配 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 1.4rem;
        }

    .tab-content {
        padding: 0;
    }


    /*内容适配*/
    .tab-pane h3 {
        font-size: 1.8rem;
        margin-top: 100px;
    }

    .tab-pane h6 {
        font-size: 1.7rem;
        font-weight: bolder;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0;
    }

        .tab-pane h6 .logo {
            width: 80px;
            height: 60px;
        }

    .tab-pane p {
        font-size: 1.3rem;
    }


    /* 企业简介、企业文化适配 */
    #img-qyjj, #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 500px;
        height: 350px;
    }

    .img-item-qyjj, .img-item-qywh {
        width: 100%;
        height: 100%;
    }

    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 1.7rem;
        margin: 30px 8px;
    }

    .culture-content p {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }

    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 50px 0;
        line-height: 2;
    }

    .Honors-date, .Honors-content {
        font-size: 1.3rem;
    }

    /*证书展示部分*/
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 5vw 0;
        padding: 0 17vw;
    }

    .Honorscertificate-item img {
        width: 100%;
        height: auto;
        display: block;
        padding: 7px;
    }

    /*发展历程适配*/
    .timeline-container {
        position: relative;
        overflow: hidden;
        margin: 20px auto !important;
        width: 100% !important;
        max-width: 80vw !important;
        height: auto;
        display: block !important;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }

    .timeline-date {
        font-size: 1.3rem;
        margin: 0;
        padding: 0;
    }
}

@media (max-width: 1024px) {
    body {
        margin-bottom: 65vh;
    }

    html[lang="en-US"] body {
        margin-bottom: 70vh;
    }

    /*全宽图片区域适配 */
    .slideshow-container {
        height: 45vh;
    }

    .text-line1 {
        font-size: 3.2rem;
    }

    .text-line2 {
        font-size: 2.8rem;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 2.2rem !important;
    }

    /* 二级导航适配 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 1.8rem;
        }

    .tab-content {
        padding: 0;
    }


    /*内容适配*/
    .tab-pane h3 {
        font-size: 2.2rem;
        margin-top: 11vh;
    }

    .tab-pane h6 {
        font-size: 2.4rem;
        font-weight: bolder;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 2vh;
    }


    html[lang="en-US"] .tab-pane h6 {
        font-size: 1.8rem;
    }

        .tab-pane h6 .logo {
            width: 10vw;
            height: 7vh;
        }

    .tab-pane p {
        font-size: 1.6rem;
    }


    /* 企业简介、企业文化适配 */
    #img-qyjj, #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 500px;
        height: 350px;
    }

    .img-item-qyjj, .img-item-qywh {
        width: 100%;
        height: 100%;
    }

    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 2.2rem;
        margin: 30px 8px;
    }

    .culture-content p {
        font-size: 1.6rem;
        margin-bottom: 8px;
    }

    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 50px 0;
        line-height: 2;
    }

    .Honors-date, .Honors-content {
        font-size: 1.5rem;
    }

    /*证书展示部分*/
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 2vh 0;
        padding: 0 19vw;
    }

    .Honorscertificate-item img {
        width: 42vw;
        height: 39vh;
        display: block;
        padding: 7px;
    }

    /*发展历程适配*/
    .timeline-container {
        position: relative;
        overflow: hidden;
        margin: 3vh auto !important;
        width: 100% !important;
        max-width: 80vw !important;
        height: auto;
        display: block !important;
    }

    .timeline-item {
        width: 100%;
        height: 100%; 
    }

    .timeline-date {
        font-size: 1.5rem;
        margin: 0;
        padding: 0;

    }
}

@media (max-width: 991.98px) {
    body {
        margin-bottom: 110vh;
    }
    html[lang="en-US"] body {
        margin-bottom: 115vh;
    }

    /*全宽图片区域适配 */
    .slideshow-container {
        height: 45vh;
    }

    .text-line1 {
        font-size: 3.2rem;
    }

    .text-line2 {
        font-size: 2.8rem;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 2.2rem !important;
    }

    /* 二级导航适配 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 1.6rem;
        }

    .tab-content {
        padding: 0;
    }


    /*内容适配*/
    .tab-pane h3 {
        font-size: 2.4rem;
        margin-top: 8vh;
    }

    .tab-pane h6 {
        font-size: 2.1rem;
        font-weight: bolder;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    html[lang="en-US"] .tab-pane h6 {
        font-size: 1.8rem;
    }

        .tab-pane h6 .logo {
            width: 10vw;
            height: 8vh;
        }

    .tab-pane p {
        font-size: 1.6rem;
    }


    /* 企业简介、企业文化适配 */
    .culture-section h2 {
        font-size: 2.1rem;
        margin: 30px 8px;
    }
    .culture-content p {
        font-size: 1.6rem;
        margin-bottom: 8px;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 50px 0;
        line-height: 2;
    }

    .Honors-date, .Honors-content {
        font-size: 1.6rem;
    }

    /*证书展示部分*/
    .Honorscertificates-container {
        margin: 5vh 0;
        padding: 0 10vw;
    }

    .Honorscertificate-item img {
        width: 470px;
        height: 570px;
        display: block;
        padding: 7px;
    }

    /*发展历程适配*/
    .timeline-container {
        padding-top:4vh;
    }
        .timeline-date {
        font-size: 1.5rem;
    }

}

@media (max-width: 820px) {
    body {
        margin-bottom: 50vh;
    }

    html[lang="en-US"] body {
        margin-bottom: 58vh;
    }

    /* 全宽图片区域适配 */
    .slideshow-container {
        height: 400px;
    }

    .text-line1 {
        font-size: 36px;
    }

    .text-line2 {
        font-size: 32px;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 24px !important;
    }

    /* 二级导航适配 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size:1.25rem;
        }

    .tab-content {
        padding: 0;
    }


    /*内容适配*/
    .tab-pane h3 {
        font-size: 1.6rem;
        margin-top: 100px;
    }

    .tab-pane h6 {
        font-size: 1.6rem;
        font-weight: bolder;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 3vh;
    }

    html[lang="en-US"] .tab-pane h6 {
        font-size: 1.4rem;
    }

        .tab-pane h6 .logo {
            width: 80px;
            height: 60px;
        }

    .tab-pane p {
        font-size: 1.3rem;

    }
    html[lang="en-US"] .tab-pane p {
        font-size: 1.2rem;
    }


    /* 企业简介、企业文化适配 */
    #img-qyjj, #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 400px;
        height: 350px;
    }

    .img-item-qyjj, .img-item-qywh {
        width: 100%;
        height: 100%;
    }

    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 1.6rem;
        margin: 1vh 0;
    }
    html[lang="en-US"] .culture-section h2 {
        font-size: 1.2rem;
    }
    

    .culture-content p {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }

    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 2vh 0;
    }

    .Honors-date, .Honors-content {
        font-size: 18px;
    }

    /*证书展示部分*/
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 20px 0;
        padding: 0 16vw;
    }

    .Honorscertificate-item img {
        width: 320px;
        height: 380px;
        display: block;
        padding: 7px;
    }

    /*发展历程适配*/
    .timeline-container {
        position: relative;
        overflow: hidden;
        margin: 20px 0 !important;
        width: 100% !important;
        max-width: 200vw !important;
        height: auto;
        display: block !important;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }

    .timeline-date {
        font-size: 1.2rem;
        margin: 0;
        padding: 0;
    }
}

/* 平板竖屏 */
@media (max-width: 767px) {
    /* 541px-768px */
    body {
        margin-bottom: 65vh;
    }

    html[lang="en-US"] body {
        margin-bottom: 85vh;
    }

    /* 全宽图片区域适配 */
    .slideshow-container {
        height: 40vh;
    }

    .text-line1 {
        font-size: 1.6rem;
    }

    .text-line2 {
        font-size: 1.4rem;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 1.2rem !important;
    }

    /* 二级导航适配 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 0.95rem;
        }

    .tab-content {
        padding: 0;
    }


    /*内容适配*/
    .tab-pane h3 {
        font-size: 1.2rem;
        margin-top: 15vh;
    }

    .tab-pane h6 {
        font-size: 1.2rem;
        font-weight: bolder;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 2vh;
    }

    html[lang="en-US"] .tab-pane h6 {
        font-size: 1rem;
    }

    .tab-pane h6 .logo {
        width: 10vw;
        height: 6vh;
    }

    .tab-pane p {
        font-size: 1rem;
    }

    html[lang="en-US"] .tab-pane p {
        font-size: 0.9rem;
    }


    /* 企业简介、企业文化适配 */
    #img-qyjj, #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 60vw;
        height: 30vh;
    }

    .img-item-qyjj, .img-item-qywh {
        width: 100%;
        height: 100%;
    }

    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 1.2rem;
        margin: 1vh 0;
    }

/*    html[lang="en-US"] .culture-section h2 {
        font-size: 1.2rem;
    }
*/

    .culture-content p {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 2vh 0;
    }

    .Honors-date, .Honors-content {
        font-size: 0.9rem;
    }

    /*证书展示部分*/
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 20px 0;
        padding: 0 15vw;
    }

    .Honorscertificate-item img {
        width: 240px;
        height: 300px;
        display: block;
        padding: 7px;
    }

    /*发展历程适配*/
    .timeline-container {
        position: relative;
        overflow: hidden;
        margin: 20px 0 !important;
        width: 100% !important;
        max-width: 200vw !important;
        height: auto;
        display: block !important;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }

    .timeline-date {
        font-size: 0.9rem;
        margin: 0;
        padding: 0;
    }

}
/* 大屏手机 (iPhone Plus/Pro Max, 大屏安卓) */
@media (max-width: 480px) {
    /* 针对 415px-480px */
    body {
        margin-bottom: 105vh;
    }

    html[lang="en-US"] body {
        margin-bottom: 110vh;
    }

    /* 全宽图片区域适配 */
    .slideshow-container {
        height: 30vh;
    }

    .text-line1 {
        font-size: 1.5rem;
    }

    .text-line2 {
        font-size: 1.3rem;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 1.1rem !important;
    }

    /* 二级导航适配：换行显示 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 1rem;
        }


    html[lang="en-US"] .nav-tabs-custom {
        line-height: 0.5;
    }

    .tab-content {
        padding: 0;
    }

    .tab-pane {
        margin-left:0;
    }

        /*内容适配*/
        .tab-pane h3 {
            font-size: 18px;
            margin-top: 100px;
        }

        .tab-pane h6 {
            font-size: 1.2rem;
            font-weight: bolder;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0;
        }

            .tab-pane h6 .logo {
                width: 12vw;
                height: 6vh;
            }

        .tab-pane p {
            font-size: 14px;
        }
/*    html[lang="en-US"] .tab-pane p {
        margin: 0 1vw;
    }*/


    /* 企业简介适配 */
    #img-qyjj {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 260px;
        height: 210px;
    }

    .img-item-qyjj {
        width: 100%;
        height: 100%;
    }

    /* 企业文化区域适配 */
    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 1.2rem;
        margin: 15px 0 8px;
    }

        html[lang="en-US"] .culture-section h2 {
        font-size: 1rem;
    }


    .culture-content p {
        font-size: 14px;
        margin-bottom: 8px;
    }

    /* 取消德宏文化第3、4项段落缩进 */
    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 300px;
        height: 200px;
    }

    .img-item-qywh {
        width: 100%;
        height: 100%;
    }

    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 2vh 0;
    }

    .Honors-date, .Honors-content {
        font-size: 0.95rem;
    }

    /*证书展示部分*/
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 1vh 0;
        padding: 0 8vw;
    }

    .Honorscertificate-item img {
        width: 240px;
        height: 300px;
        display: block;
        padding: 7px;
    }

    /* 发展历程适配 */
    /*.timeline-container {
        margin: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        max-width: 200vw;
        height: auto;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }

    html[lang="en-US"] .timeline-date {
        font-size: 0.75rem;
        margin: 0;
        padding: 0;
    }

    html[lang="en-US"] .timeline-content p {
        font-size: 0.6rem;

    }*/

    /* 发展历程适配 */
    .timeline-container {
        margin: 0;
        display: flex;
        justify-content: center;
        align-items: center;
        max-width: 375px;
        height: auto;
    }

    .timeline-list {
        margin-left: -8vw;
    }
    html[lang="en-US"] .timeline-list {
        margin-left: -10vw;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }
    html[lang="en-US"] .timeline-date {
        font-size: 0.8rem;
        margin: 0;
        padding: 0;
    }

    html[lang="en-US"] .timeline-content p {
        font-size: 0.8rem;
    }
}
/* 超小屏手机优化 (iPhone SE等) */
@media (max-width: 375px) {
    body {
        margin-bottom: 135vh;
    }

    html[lang="en-US"] body {
        margin-bottom: 145vh;
    }


    /* 全宽图片区域适配 */
    .slideshow-container {
        height: 50vh;
    }

    .text-line1 {
        font-size: 1.5rem;
    }

    .text-line2 {
        font-size: 1.3rem;
    }

    html[lang="en-US"] .text-line2 {
        font-size: 0.9rem !important;
    }

    /* 二级导航适配：换行显示 */
    .nav-tabs-custom {
        display: flex;
        flex-wrap: nowrap;
    }

        .nav-tabs-custom .nav-link {
            font-size: 0.9rem;
        }

    .tab-content {
        padding: 0;
    }

    .tab-pane {
        margin-left: 0;
    }


        /*内容适配*/
        .tab-pane h3 {
            font-size: 18px;
            margin-top: 100px;
        }

        .tab-pane h6 {
            font-size: 1.05rem;
            font-weight: bolder;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0;
        }

            .tab-pane h6 .logo {
                width: 12vw;
                height: 8vh;
            }

        .tab-pane p {
            font-size: 14px;
        }

    /* 企业简介适配 */
    #img-qyjj {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 230px;
        height: 180px;
    }

    .img-item-qyjj {
        width: 100%;
        height: 100%;
    }


    /* 企业文化区域适配 */
    .text-content-qywh {
        margin-bottom: 20px;
    }

    .culture-section h2 {
        font-size: 1.1rem;
        margin: 1vh 0;
    }

    .culture-content p {
        font-size: 13px;
        margin-bottom: 8px;
    }

    /* 取消德宏文化第3、4项段落缩进 */
    #culture .culture-section:nth-child(3) p,
    #culture .culture-section:nth-child(4) p {
        text-indent: 0 !important;
    }

    #img-qywh {
        display: flex;
        margin-left: auto;
        margin-right: auto;
        max-width: 240px;
        height: 160px;
    }

    .img-item-qywh {
        width: 100%;
        height: 100%;
    }


    /*荣誉资质适配*/
    .Honors-container {
        margin: 0;
        padding: 0;
    }

    /* 证书展示部分 */
    .Honorscertificates-grid {
        display: grid;
        grid-template-columns: 1fr;
    }

    .Honorscertificates-container {
        margin: 20px 0;
        padding: 12px;
    }

    .Honorscertificate-item img {
        width: 220px;
        height: 260px;
        display: block;
        padding: 7px;
    }

    /* 发展历程适配 */
    .timeline-container {
        margin: 0;
        display: flex;
        justify-content: center;
        align-items: center;
        max-width: 375px;
        height: auto;
    }

    .timeline-list {
        margin-left: -10vw;
    }
    html[lang="en-US"] .timeline-list {
        margin-left: -17vw;
    }

    .timeline-item {
        width: 100%;
        height: 100%;
    }
    html[lang="en-US"] .timeline-date {
        font-size: 0.7rem;
        margin: 0;
        padding: 0;
    }

    html[lang="en-US"] .timeline-content p {
        font-size: 0.7rem;
    }
}