/* footer.css 独立样式，全部gk前缀隔离 */
.width-text{
    width: 93%;
}
.gk-footer-wrap {
    background-color: #1a1a1a;
    color: #cccccc;
    font-size: 14px;
    line-height: 1.8;
    padding: 50px 150px 20px;
    font-family: "Microsoft Yahei", sans-serif;
}

.gk-footer-container {
    display: grid;

    grid-template-columns: 1.5fr 1fr 1fr 1fr 2fr 1fr;
    gap: 24px;
    padding-bottom: 40px;
    border-bottom: 1px solid #333333;
}

.gk-footer-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: normal;
    margin: 0 0 16px 0;
}

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

.gk-footer-list li {
    margin-bottom: 10px;
    color: #aaa;
    cursor: pointer;
}

.gk-footer-list li:hover {
    color: #fff;
}

.gk-footer-subtitle {
    color: #fff;
    font-size: 17px;
    position: relative;
    padding-bottom: 8px;
    margin-bottom: 12px;
}

.gk-footer-subtitle::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 45px;
    height: 2px;
    background: #777;
}

.gk-footer-phone {
    font-size: 40px;
    color: #ffffff;
    font-weight: bold;
    margin: 10px 0 30px;
}

.gk-qr-box {
    text-align: center;
}

.gk-qr-placeholder {
    width: 160px;
    height: 160px;

    margin: 0 auto 12px;
}

/* 版权区域 */
.gk-footer-copyright {
    padding-top: 20px;
}

.gk-copyright-inner {
    /* 取消横向flex左右分开，改为垂直上下排列 */
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    color: #888;
    text-align: center;
}

/* 清除原来左右分开的多余margin，不需要再区分左右 */
.gk-tech-support {
    margin-left: 0;
}

/* 平板、手机保持居中三行，不需要额外改布局 */
@media screen and (max-width: 1200px) {
    .gk-copyright-inner {
        flex-direction: column;
        text-align: center;
        gap: 6px;
    }
}

@media screen and (max-width: 768px) {
    .gk-copyright-inner {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }
}


/* ========== 移动端适配 ========== */
@media screen and (max-width: 1200px) {
    .gk-footer-container {
        grid-template-columns: repeat(3, 1fr);
    }

    .gk-footer-phone {
        font-size: 36px;
    }
}

@media screen and (max-width: 768px) {
    .gk-footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 16px;
    }

    .gk-footer-phone {
        font-size: 28px;
    }

    .gk-footer-title {
        font-size: 18px;
    }
}

@media screen and (max-width: 480px) {
    .gk-footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.page-wrapper {
    padding: 80px 150px;
    background-color: #F7F7F7;
}

/* ================= 顶部 Header 区域 ================= */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.header-left {
    display: flex;
    flex-direction: column;
}

.main-title {
    color: #c9302c;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.sub-title {
    font-size: 16px;
    color: #333;
    display: flex;
    align-items: center;
}

.sub-title .dash {
    margin-left: 10px;
    color: #666;
    letter-spacing: 2px;
}

.header-btn {
    background-color: #B7202F;
    color: #fff;
    text-decoration: none;
    padding: 15px 45px;
    font-size: 14px;
    border-radius: 2px;
    transition: background 0.3s;
}

.header-btn:hover {
    background-color: #ac2925;
}

/* ================= 主应用区域布局 ================= */
.application-wrapper {
    display: flex;
    background: #fff;
    /* 原图中没有明显的边框，这里加个极淡的阴影让内容突出 */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* 图片区 */
.app-image-box {
    flex: 3; /* 图片占据 60% 宽度 */
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.app-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.4s ease;
}

.app-image-box:hover img {
    transform: scale(1.1); /* 悬停图片轻微放大 */
}

/* 右侧列表区 */
.app-tabs-list {
    flex: 1; /* 列表占据 40% 宽度 */
    display: flex;
    flex-direction: column;
    background-color: #fff;
}

/* ================= Tab 列表项 ================= */
.tab-item {
    flex: 1; /* 平分高度 */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid #eeeeee;
    font-size: 26px;
    color: #333;
    transition: all 0.3s ease;
    position: relative;
    padding: 20px 0;
    min-height: 80px;
}

.tab-item:last-child {
    border-bottom: none;
}

.tab-item:hover {
    background-color: #fafafa;
}

/* 激活状态 (红色背景) */
.tab-item.active {
    background-color: #B7202F;
    color: #ffffff;

    position: relative; /* 允许使用 z-index 防止被上方元素遮挡 */
    margin-left: -50px; /* 设置负值，数值越大凸出越多 */
    padding-left: 30px; /* 确保文字不会向左移动，保持视觉效果居中 */
    z-index: 10; /* 确保凸出的红色框在层级最上面 */
}

/* 列表右侧图标 (仅在激活状态显示/变色) */
.tab-icon {
    position: absolute;
    right: 40px;
    width: 32px;
    height: 32px;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.4s ease;
}

.tab-item.active .tab-icon {
    opacity: 0.6; /* 原图是半透明线框 */
    transform: translateX(0);
}

/* ================= 移动端响应式适配 ================= */
@media screen and (max-width: 992px) {
    .application-wrapper {
        flex-direction: column; /* 变成上下结构 */
    }

    .app-image-box {
        height: 350px;
        min-height: auto;
    }

    .tab-item {
        padding: 15px 0;
        min-height: 60px;
        font-size: 16px;
    }

    /* 移动端图标位置调整 */
    .tab-icon {
        right: 20px;
    }
}

@media screen and (max-width: 600px) {
    .section-header {
        padding: 0 0 10px 0;
    }

    .header-btn {
        align-self: flex-start;
        padding: 0;
        text-align: center;
    }

    .app-image-box {
        height: 250px;
    }

    .tab-item {
        font-size: 14px;
        padding: 12px 0;
        min-height: 50px;
    }

    .tab-icon {
        width: 24px;
        height: 24px;
        right: 15px;
    }
}

/* ================= 外层红色通栏 ================= */
.cta-section {
    width: 100%;
    background-color: #B7202F; /* 匹配原图深红色 */
    padding: 50px 150px; /* 上下午内边距 */
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* 内部内容容器 (限制最大宽度，让内容居中) */
.cta-container {

    width: 100%;
    display: flex;
    justify-content: space-between; /* 左右两端对齐 */
    align-items: center;
    gap: 30px; /* 中间留出空隙 */
}

/* ================= 左侧文字内容 ================= */
.cta-text-box {
    flex: 1; /* 文字区域占据剩余宽度 */
}

.cta-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.cta-desc {
    color: #ffffff;
    font-size: 16px;
    font-weight: 300; /* 细字体 */
    opacity: 0.9; /* 稍微透明一点显得不那么亮 */
}

/* ================= 右侧按钮组 ================= */
.cta-btn-group {
    display: flex;
    align-items: center;
    gap: 20px; /* 两个按钮之间的间距 */
    flex-shrink: 0; /* 防止按钮在屏幕变窄时被挤压 */
}

/* 通用按钮样式 */
.cta-btn {
    display: inline-block;
    padding: 14px 30px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap; /* 防止按钮文字换行 */
    font-weight: 600;
}

/* 黑色按钮 */
.cta-btn-black {
    background-color: #222222;
    color: #ffffff;
}

.cta-btn-black:hover {
    background-color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 白色按钮 */
.cta-btn-white {
    background-color: #ffffff;
    color: #c12a2e; /* 按钮文字也是红色 */
}

.cta-btn-white:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ================= 手机端自适应 (Responsive) ================= */
@media screen and (max-width: 992px) {
    .cta-container {
        flex-direction: column; /* 切换为上下堆叠 */
        text-align: center; /* 文字居中 */
        gap: 25px;
    }

    .cta-btn-group {
        flex-wrap: wrap; /* 手机屏幕太窄时，允许按钮换行 */
        justify-content: center;
        width: 100%;
        gap: 15px;
    }

    .cta-btn {
        flex: 1; /* 手机端让按钮尽量撑满宽度 */
        min-width: 150px; /* 按钮最小宽度 */
        text-align: center;
        white-space: normal; /* 手机端允许按钮文字换行 */
        padding: 12px 20px;
    }
}

@media screen and (max-width: 600px) {
    .cta-title {
        font-size: 14px; /* 标题缩小 */
    }

    .cta-desc {
        font-size: 14px; /* 副标题缩小 */
    }

    .cta-btn {
        font-size: 14px;
        padding: 10px 15px;
    }
}

/* ================= 重置与基础 ================= */
/* 注意：为了防止干扰全局，只重置该模块内必要的 */
.news-wrapper {
    padding: 70px 150px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    box-sizing: border-box;
}

/* ================= Header区域 ================= */
.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
}

.news-header-left {
    display: flex;
    flex-direction: column;
}

.news-main-title {
    color: #c9302c;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0 0 5px 0;
}

.news-sub-title {
    font-size: 16px;
    color: #333;
    letter-spacing: 2px;
}

.news-header-btn {
    background-color: #c9302c;
    color: #fff;
    text-decoration: none;
    padding: 8px 25px;
    font-size: 14px;
    border-radius: 2px;
    transition: background 0.3s;
}

.news-header-btn:hover {
    background-color: #ac2925;
}

/* ================= 网格布局 ================= */
.news-grid {
    display: flex;
    gap: 20px;
}

/* 左侧列 */
.news-col-left {
    flex: 1; /* 约占 1/3 */
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 右侧列 */
.news-col-right {
    flex: 2; /* 约占 2/3 */
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 右侧的小图网格 (三图并排) */
.news-small-grid {
    display: flex;
    gap: 20px;
}

.news-small-grid .news-card {
    flex: 1; /* 平分三份 */
}

/* ================= 卡片样式 ================= */
.news-card {
    background: #fff;
    border: 1px solid #eaeaea;
    box-sizing: border-box;
    transition: box-shadow 0.3s ease;
    overflow: hidden;
    height: 100%;
}

.news-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

/* 图片区域 */
.news-img-box {
    width: 100%;
    /*height: 200px; !* 小图默认高度 *!*/
    overflow: hidden;
}

.news-card-large .news-img-box {
    /*height: 320px; !* 大图高度更高 *!*/
}

.news-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.news-card:hover .news-img-box img {
    transform: scale(1.05); /* 悬停图片轻微放大 */
}

/* 内容区域 */
.news-content {
    padding: 33px;
}

/* 底部卡片（没有图片，直接是内容） */
.news-card-bottom .news-content {
    padding: 30px 20px;
}

/* 日期标签 */
.news-date {
    display: inline-block;
    background-color: #B7202F;
    color: #fff;
    font-size: 13px;
    padding: 2px 12px;
    margin-bottom: 12px;
    font-weight: 500;
}

/* 标题 */
.news-title {
    font-size: 17px;
    color: #222;
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.5;
    /* 文字过多显示省略号 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-large .news-title,
.news-card-bottom .news-title {
    -webkit-line-clamp: 1; /* 大图和底部列表只显示1行标题 */
    font-size: 18px;
}

/* 描述文本 */
.news-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-bottom .news-desc {
    -webkit-line-clamp: 3; /* 底部展示3行 */
}

/* ================= 手机端响应式 (自适应) ================= */
@media screen and (max-width: 992px) {
    .news-grid {
        flex-direction: column; /* 主列变为上下结构 */
        gap: 20px;
    }

    .news-col-left,
    .news-col-right {
        flex: none; /* 取消比例 */
        width: 100%;
    }

    .news-small-grid {
        flex-direction: column; /* 右侧三图变为上下叠放 */
        gap: 20px;
    }

    .news-img-box {
        height: 220px !important; /* 统一手机端图片高度 */
    }

    .news-card-bottom .news-content {
        padding: 33px 0;
    }
}

@media screen and (max-width: 600px) {
    .news-header {
        padding: 0 0 10px 0;
    }

    .news-header-btn {
        align-self: flex-start;
    }

    .news-main-title {
        font-size: 26px;
    }

    .news-img-box {
        height: 180px !important;
    }

    .news-title {
        font-size: 15px;
    }
}

/* --- 横幅容器 --- */
.banner-section {
    position: relative;
    width: 100%;
    height: 300px; /* 桌面端高度 */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* --- 背景处理 --- */
.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.banner-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保证图片铺满且不变形 */
    display: block;
}


/* --- 内容层 --- */
.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    width: 100%;
    max-width: 1200px;
}

/* --- 标题文字 --- */
.banner-title {
    color: #ffffff;
    font-size: 40px;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 25px;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* --- 按钮样式 --- */
.banner-btn {
    display: inline-block;
    background-color: #B7202F; /* 原图红色基调 */
    color: #ffffff;
    text-decoration: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-weight: 500;
}

/* 按钮悬停/点击效果 */
.banner-btn:hover {
    background-color: #ac2925;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.banner-btn:active {
    transform: translateY(0);
}

/* --- 移动端适配 (Responsive) --- */
@media screen and (max-width: 768px) {
    .banner-section {
        height: 220px; /* 手机端降低高度 */
    }

    .banner-title {
        font-size: 18px; /* 手机端缩小字体 */
        margin-bottom: 15px;
        padding: 0 5px;
    }

    .banner-btn {
        padding: 8px 20px;
        font-size: 14px;
    }
}

@media screen and (max-width: 480px) {
    .banner-section {
        height: 180px; /* 小屏手机进一步压缩 */
    }

    .banner-section .banner-title {
        font-size: 15px;
    }
}

/* --- 主体内容区域 (左图右文) --- */
.about-section {
    position: relative; /* 为底部卡片做定位参考 */
    margin-top: 95px; /* 留出导航栏高度 */

    display: flex;
    justify-content: center;
    background-color: #fff;
}

.container1 {

    width: 100%;
    position: relative;
}

/* 左侧图片 */
.image-wrapper {
    flex: 1.2; /* 图片占比稍微大一点 */
    overflow: hidden;
    border-radius: 4px;
}

.factory-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;

}

/* 右侧文字 */
.text-wrapper {
    background-image: url("/static/image/about_bg.png");
    flex: 1;
    /*padding: 40px 200px 0 75px; !* 左侧留白，文字靠上对齐 *!*/
}

.sub-title {
    color: #999;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 12px;
}

.main-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #000;
}

.divider {
    width: 40px;
    height: 3px;
    background-color: #333;
    margin-bottom: 25px;
}

.description {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
    margin-bottom: 35px;
    max-width: 600px;
}

.btn-more {
    display: inline-block;
    background-color: #b71c1c; /* 调整成更暗一点的红色 */
    color: #fff;
    text-decoration: none;
    padding: 12px 28px;
    font-size: 14px;
    transition: background-color 0.3s;
    margin-top: 20px;
    margin-bottom: 20px;
}

.btn-more:hover {
    background-color: #8e1414;
}

/* --- 底部悬浮数据卡片 (核心修改) --- */
/* --- 底部数据统计浮层 (完美复刻图1) --- */
.stats-overlay {
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: center; /* 整体居中 */
    align-items: center;
    padding: 25px 0;
    border-radius: 2px;
    width: 54%;
    position: relative;
    transform: translate(72%, -180%);
    z-index: 5;
}

.stat-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px; /* 文字组和图标之间的间距 */
    padding: 0 50px; /* 项与项之间的间隔 */
    flex: 1; /* 保证三项均分宽度 */
}

.stat-text-group {
    display: flex;
    flex-direction: column; /* 数字在上面，标签在下面 */
    align-items: flex-start;
}

.stat-data {
    display: flex;
    align-items: baseline;
    line-height: 1;
    margin-bottom: 6px; /* 数字和标签之间的间距 */
}

.number {
    font-size: 44px;
    font-weight: bold;
    color: #444444;
    letter-spacing: 1px;
}

.number:hover {
    color: #c92127;

}
.unit {
    font-size: 16px;
    color: #999; /* 单位颜色改为浅灰，和标签一致 */
    margin-left: 3px;
    font-weight: normal;
}

.stat-label {
    font-size: 16px;
    color: #999;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* 图标样式 (图1的手绘线框风格) */
.stat-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 100%;
    height: 100%;
    stroke: #b0b0b0; /* 浅灰色线条 */
    stroke-width: 1.2; /* 细线条 */
}

/* 分割线 (竖向细线) */
.stat-divider {
    width: 1px;
    height: 30px;
    background-color: #eee;
}


.product-section {
    padding: 60px 150px 130px;

    background-image: url("/static/image/product-bg.png");
}

/* 头部标题样式 */
.header-title {
    margin-bottom: 30px;
}

.header-title h1 {
    color: #B7202F;
    font-size: 56px;
    font-weight: bold;
    letter-spacing: 1px;
}

.header-title h2 {
    color: #333;
    font-size: 30px;
    font-weight: normal;
    margin-top: 5px;
    letter-spacing: 2px;
}

.header-title h2::after {
    content: "";
    display: inline-block;
    width: 40px;
    height: 2px;
    background-color: #333;
    vertical-align: middle;
    margin-left: 10px;
}

/* 导航栏样式 (滑动适应手机) */
.nav-scroll-container {
    width: 100%;

    padding-bottom: 15px;
    margin-bottom: 20px;
    /* 隐藏滚动条 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.nav-scroll-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.nav-links {
    display: flex;
    gap: 33px;

    padding-bottom: 5px;
    justify-content: flex-end;
}

.nav-item {
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    padding: 0 70px;
    position: relative;
    overflow: visible;
}

.nav-item:hover, .nav-item.active {
    opacity: 1;
}

.nav-item .nav-icon {
    margin-bottom: 8px;
    display: flex;
    justify-content: center;
    align-items: center;

    transform: translateY(-30px);
    z-index: 999;
}


.nav-item .nav-icon svg {
    width: 100%;
    height: 100%;
}

.nav-item span {
    font-size: 14px;
    color: #555;
    font-weight: 500;
    text-align: center;
}

/* 激活状态下的底部红线 */
.nav-item.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background-color: #c22a2a;
}

/* 主要内容布局 (Flexbox) */
.main-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;

}

/* 左侧大图 */
.product-image-wrapper {
    flex: 1.3;
    min-width: 300px;


    border-radius: 8px;
    display: flex;
    justify-content: flex-start;
    align-items: center;

}

.product-image-wrapper img {

    object-fit: contain;
    display: block;
    transition: opacity 0.3s ease;
}

/* 右侧详情卡片 */
.info-card {
    background-image: url(/static/image/produ_bg.png);
    /* 增加以下两行，让图片适应卡片大小 */
    background-size: cover; /* 或者 contain */
    background-position: top right;
    background-repeat: no-repeat;

    flex: 0.7;
    min-width: 280px;
    padding: 60px 70px;

    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-top .model-number {
    color: #c22a2a;
    font-size: 50px;
    font-weight: bold;
    margin-bottom: 35px;
}

.card-top .model-name {
    color: #333;
    font-size: 36px;
    font-weight: normal;
    margin-bottom: 35px;
}

.card-top .divider {
    width: 30px;
    height: 3px;
    background-color: #c22a2a;
    margin-bottom: 35px;
}

.card-top .description {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.card-bottom .btn-more {
    display: inline-block;
    background-color: #b71c1c;
    color: #fff;
    text-decoration: none;
    padding: 12px 30px;
    font-size: 14px;
    border-radius: 4px;
    transition: background 0.3s;
}

.card-bottom .btn-more:hover {
    background-color: #8e1616;
}

/* ========================================= */
/* 手机端适配 (@media) */
/* ========================================= */
@media screen and (max-width: 768px) {
    body {
        padding: 20px 15px;
    }

    .header-title h1 {
        font-size: 18px;
    }

    .header-title h2 {
        font-size: 14px;
    }


    .main-content {
        flex-direction: column; /* 变成纵向排列 */
        gap: 20px;
    }

    .product-image-wrapper {
        min-width: auto;
        padding: 15px;
    }

    .product-image-wrapper img {
        max-height: 250px;
    }

    .info-card {
        min-width: auto;
        padding: 25px 20px;
    }

    .card-top .model-number {
        font-size: 26px;
    }

    .card-top .model-name {
        font-size: 18px;
    }

    .card-top .description {
        font-size: 14px;
    }

    .card-bottom .btn-more {
        width: 100%;
        text-align: center;
        padding: 12px 0;
    }
}

/* --- 响应式设计 (适配手机端) --- */
@media (max-width: 900px) {
    .stats-overlay {
        flex-wrap: wrap;
        padding: 20px 10px;
    }

    .stat-item {
        padding: 15px 10px;
        flex: none;
        width: 33%; /* 平铺 */
    }

    .stat-divider {
        display: none; /* 手机隐藏竖向分割线 */
    }
}

@media (max-width: 600px) {
    .stats-overlay {
        flex-direction: column;
        gap: 15px;
        box-shadow: none;
        padding: 0;
    }

    .stat-item {
        width: 100%;
        justify-content: space-between; /* 两端对齐 */
        padding: 15px 25px;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        border-radius: 4px;
    }

    .number {
        font-size: 28px;
    }
}

/* --- 响应式设计 (适配手机端) --- */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column; /* 平板/手机变为上下结构 */
    }

    .text-wrapper {
        padding: 30px 0;
    }

    .stats-overlay {
        flex-wrap: wrap;
        transform: none;
        justify-content: space-between;
    }

    .stat-item {
        margin-right: 0;
        width: 45%;
        margin-bottom: 15px;
    }

    .stat-divider {
        display: none; /* 平板/手机隐藏竖线 */
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        background: rgba(255, 255, 255, 0.9); /* 手机端给导航加个背景防止看不清 */
    }

    nav ul {
        gap: 15px;
    }

    nav ul li a {
        font-size: 12px;
    }

    .logo-area {
        font-size: 16px;
    }

    .main-title {
        font-size: 14px;
    }

    .stat-item {
        width: 100%; /* 手机端完全竖排 */
        justify-content: center;
    }
}

@media (max-width: 1700px) {
    .stats-overlay {
        transform: translate(72%, -150%);

    }
}

@media (max-width: 1600px) {
    .stats-overlay {
        transform: translate(72%, -140%);

    }

    .header-title {
        margin-bottom: 80px;
    }

    .gk-footer-phone {
        font-size: 30px;

    }


}

@media (max-width: 1400px) {
    .stats-overlay {
        transform: translate(72%, -129%);

    }

    .card-top .model-number {
        font-size: 35px;

    }

    .card-top .model-name {
        font-size: 26px;
    }

    .banner-title {
        font-size: 30px;
    }

    .about-section .main-title {
        font-size: 18px;
        font-weight: bold;
        margin-bottom: 20px;
        color: #000;
    }

    .about-section .number {
        font-size: 24px;

    }
}


@media (max-width: 900px) {
    .gk-footer-wrap {
        padding: 50px 15px 20px;

    }

    .cta-section {
        padding: 50px 15px;
    }

    .news-wrapper {
        padding: 20px 15px;
    }

    .page-wrapper {
        padding: 40px 15px;
    }

    /* 1. 改变导航栏的排列方式：改为垂直向下的 flex 布局 */
    .nav-links {
        flex-direction: row;
        gap: 0px;
        /* 2. 允许换行 */
        flex-wrap: wrap;
        align-items: center; /* 让导航项居中 */
        justify-content: center;

    }


    .product-section {
        padding: 60px 15px;
    }

    .card-top .model-number {
        font-size: 26px;
    }

    .about-section {
        margin-top: 25px;
    }

    .image-wrapper {
        display: none;
    }

    .stats-overlay {
        display: none;
    }

    .text-wrapper {
        padding: 0 15px;
    }

    .gk-footer-phone {
        font-size: 30px;
    }

    .relate-news{
        display: none;
    }


    .gk-footer-subtitle {
        /* 1. 标题容器改为弹性布局 */
        display: flex;
        flex-direction: column;
        align-items: center; /* 让内容居中 */
    }

    .gk-footer-subtitle::after {
        /* 2. 将线改为相对定位，直接放在文字下方居中 */
        position: relative;
        left: auto;
        right: auto;
        margin-top: 5px; /* 线和文字的距离 */
        transform: none;
    }

    .nav-scroll-container {
        padding-bottom: 0px;
        margin-bottom: 0px;
        margin-top: 50px;
    }


    .nav-item {
        width: 40%;
        box-sizing: border-box;
        padding: 0px;
        margin: 20px 10px;
        height: 122px;
    }
    .width-text{
        width: 100%;
    }

    .about-section .main-title {
        text-align: center;
    }

    .sub-title {
        justify-content: center;
        font-size: 15px;
    }

    .header-title {
        margin-bottom: 10px;
    }
    .m-none{
        display: none;
    }

    .news-content {
        padding: 33px 0;
    }

}