/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
}

.container {
    /* max-width: 90%; */
    margin: 0 auto;
    /* padding: 0 15px; */
}

/* 轮播图样式 */
.swiper-container.banner {
    margin-top: 120px;
    height: auto !important;
    overflow: hidden !important;
}

.banner .swiper-slide {
    position: relative;
    overflow: hidden !important;
    background: #f5f5f5;
    /* 添加背景色，防止图片两侧留白时的视觉效果 */
}

.banner .swiper-slide img {
    width: 100%;
    height: auto;
    object-fit: contain;
    pointer-events: none;
    display: block;
    /* 确保图片正确显示，消除可能的间隙 */
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background-color: #c40000;
    color: #fff;
    border-radius: 3px;
    text-align: center;
    line-height: 40px;
    display: none;
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background-color: #a00000;
    transform: translateY(-3px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .back-to-top {
        right: 15px;
        bottom: 15px;
        width: 35px;
        height: 35px;
        line-height: 35px;
    }
}



@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-3px);
    }
}

/* 轮播图导航按钮样式 */
.custom-button-prev,
.custom-button-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
}

.custom-button-prev {
    left: 30px;
}

.custom-button-next {
    right: 30px;
}

.custom-button-prev:hover,
.custom-button-next:hover {
    background: rgba(196, 0, 0, 0.8);
}

.custom-button-prev i,
.custom-button-next i {
    font-size: 24px;
    color: #fff;
}

/* 轮播图分页器样式 */
.banner .swiper-pagination {
    bottom: 30px;
}

.banner .swiper-pagination-bullet {
    width: 30px;
    height: 3px;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
    margin: 0 5px !important;
    transition: all 0.3s ease;
}

.banner .swiper-pagination-bullet-active {
    background: #fff;
    width: 50px;
}

/* 移动端轮播图样式 */
@media (max-width: 768px) {
    .swiper-container.banner {
        margin-top: 46px;
        height: auto !important;
    }

    .banner .swiper-slide img {
        height: auto;
        object-fit: contain;
    }

    .custom-button-prev,
    .custom-button-next {
        width: 40px;
        height: 40px;
    }

    .custom-button-prev {
        left: 15px;
    }

    .custom-button-next {
        right: 15px;
    }

    .custom-button-prev i,
    .custom-button-next i {
        font-size: 20px;
    }

    .banner .swiper-pagination {
        bottom: 20px;
    }

    .banner .swiper-pagination-bullet {
        width: 20px;
        height: 2px;
        margin: 0 3px !important;
    }

    .banner .swiper-pagination-bullet-active {
        width: 35px;
    }
}

@media (max-width: 480px) {
    .swiper-container.banner {
        height: auto !important;
    }

    .banner .swiper-slide img {
        object-fit: contain;
    }

    .custom-button-prev,
    .custom-button-next {
        width: 35px;
        height: 35px;
    }

    .custom-button-prev i,
    .custom-button-next i {
        font-size: 18px;
    }

    .banner .swiper-pagination-bullet {
        width: 15px;
        height: 2px;
    }

    .banner .swiper-pagination-bullet-active {
        width: 25px;
    }
}

@media (max-width: 992px) {

    .swiper-button-prev,
    .swiper-button-next {
        width: 40px;
        height: 40px;
    }

    .swiper-button-prev i,
    .swiper-button-next i {
        font-size: 20px;
    }
}

/* 公共标题样式 */
.section-title {
    text-align: center;
    font-size: 36px;
    color: #000000;
    margin-bottom: 40px;
    font-weight: bold;
    letter-spacing: 2px;
    position: relative;
}

.line-title:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #fe0000;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 24px;
        margin-bottom: 25px;
    }
}

.section-subtitle {
    text-align: center;
    font-size: 24px;
    color: #000000;
    font-weight: bold;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
}

.section-subtitle:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #fe0000;
    transition: width 0.6s ease;
}

.section-subtitle.animated:after {
    width: 40px;
}

/* 关于我们部分 */
.about {
    padding: 80px 0;
    position: relative;
    background-color: #fff;
    overflow: hidden;
}

.about-content {
    display: flex;
    margin-bottom: 60px;
    min-height: 0;
}

.about-left {
    flex: 1;
    padding: 40px;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: end;
}

.about-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    z-index: 0;
}

.about-right {
    width: 40%;
    position: relative;
    height: 100%;
}

.company-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 30px;
    font-weight: bold;
    position: relative;
    z-index: 1;
    width: 80%;
}

.company-title span {
    background-color: rgba(244, 248, 250);
    padding: 0 15px;
}

.company-title::before {
    content: 'ABOUT US';
    position: absolute;
    left: -5px;
    top: -45px;
    font-size: 90px;
    font-weight: bold;
    color: rgba(216, 226, 236, 0.8);
    z-index: -1;
    white-space: nowrap;
    letter-spacing: 5px;
}

.text-content {
    position: relative;
    z-index: 1;
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    padding: 20px;
    width: 80%;
}

.text-content p {
    margin-bottom: 20px;
    text-align: left;
    /* 改为左对齐 */
    word-wrap: break-word;
    /* 确保长单词可以换行 */
    overflow-wrap: break-word;
    /* 现代浏览器的长单词换行属性 */
    hyphens: auto;
    /* 添加连字符 */
}

.text-content p:last-child {
    margin-bottom: 0;
}

.about-right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Our Advantages 部分 */
.advantages-content {
    display: flex;
    gap: 30px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin: 0 auto;
}

.video-container {
    flex: 1;
    position: relative;
    background: #000;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: absolute;
    z-index: 2;
}

.play-button i {
    color: #fff;
    font-size: 30px;
    margin-left: 5px;
    transition: all 0.3s ease;
}

.play-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.advantages-text {
    width: 40%;
    padding: 40px 50px;
    background: #fff;
}

.advantages-text h3 {
    font-size: 32px;
    color: #333;
    margin-bottom: 25px;
    font-weight: bold;
}

.advantages-text .company-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

/* 移动端响应式样式 */
@media (max-width: 1200px) {
    .about-content {
        min-height: 500px;
    }

    .company-title {
        font-size: 32px;
    }

    .company-title::before {
        font-size: 70px;
        top: -35px;
    }

    .text-content {
        font-size: 14px;
    }
}

@media (max-width: 992px) {
    .about {
        padding: 60px 0;
    }

    .about-content {
        flex-direction: column;
        min-height: 0;
        margin-bottom: 40px;
    }

    .about-left {
        padding: 30px;
        align-items: center;
        text-align: center;
    }

    .about-right {
        width: 100%;
        height: 300px;
        margin-top: 30px;
    }

    .company-title,
    .text-content {
        width: 100%;
    }

    .advantages-content {
        flex-direction: column;
        margin: 0 15px;
    }

    .video-container {
        min-height: 300px;
    }

    .advantages-text {
        width: 100%;
        padding: 30px;
    }

    .advantages-text h3 {
        font-size: 28px;
        margin-bottom: 20px;
        text-align: center;
    }

    .advantages-text .company-desc {
        font-size: 15px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .about {
        padding: 40px 0;
    }

    .about-content {
        margin-bottom: 30px;
    }

    .about-left {
        padding: 20px;
    }

    .company-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .company-title::before {
        font-size: 50px;
        top: -25px;
    }

    .text-content {
        padding: 15px;
        font-size: 14px;
    }

    .about-right {
        height: 250px;
    }

    .video-container {
        min-height: 250px;
    }

    .play-button {
        width: 60px;
        height: 60px;
    }

    .play-button i {
        font-size: 24px;
    }

    .advantages-text {
        padding: 25px;
    }

    .advantages-text h3 {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .advantages-text .company-desc {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .about {
        padding: 30px 0;
    }

    .company-title {
        font-size: 24px;
    }

    .company-title::before {
        font-size: 40px;
        top: -20px;
    }

    .about-right {
        height: 200px;
    }

    .video-container {
        min-height: 200px;
    }

    .play-button {
        width: 50px;
        height: 50px;
    }

    .play-button i {
        font-size: 20px;
    }
}

/* 荣誉资质部分 */
.honor {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.honor-list {
    position: relative;
    width: 100%;
    height: 600px;
    margin: 0 auto;
    perspective: 2000px;
}

.honor-item {
    position: absolute;
    width: 600px;
    height: 450px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honor-item.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
    z-index: 5;
}

.honor-item.prev-2 {
    transform: translate(-180%, -50%) scale(0.6);
    opacity: 0.6;
    visibility: visible;
    z-index: 2;
}

.honor-item.prev {
    transform: translate(-120%, -50%) scale(0.8);
    opacity: 0.8;
    visibility: visible;
    z-index: 3;
}

.honor-item.next {
    transform: translate(20%, -50%) scale(0.8);
    opacity: 0.8;
    visibility: visible;
    z-index: 3;
}

.honor-item.next-2 {
    transform: translate(80%, -50%) scale(0.6);
    opacity: 0.6;
    visibility: visible;
    z-index: 2;
}

.honor-item img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    display: block;
    background-image: url(/skin/images/honnerpg.png);
    background-size: 100% 100%;
    margin: auto;
    padding: 12px;
}

/* 横版证书样式 */
.honor-item img.landscape {
    width: 90%;
    height: auto;
    padding: 11px 22px !important;
}

/* 竖版证书样式 */
.honor-item img.portrait {
    width: auto;
    height: 90%;
    padding: 12px !important;
}

.honor-item p {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    margin: 0;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    text-align: center;
    font-size: 14px;
}

/* 预览模态框 */
.honor-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.honor-modal.active {
    display: flex;
    opacity: 1;
}

.honor-modal-content {
    position: relative;
    width: 80%;
    max-width: 1200px;
    height: 80vh;
    margin: auto;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.honor-modal-item {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    visibility: hidden;
}

.honor-modal-item.active {
    visibility: visible;
}

.honor-modal-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.honor-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    transition: all 0.3s ease;
}

.honor-modal-close:hover {
    background: #fe0000;
    transform: rotate(180deg);
}

/* 导航按钮 */
.honor-nav {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    z-index: 10;
    pointer-events: none;
}

.honor-prev,
.honor-next {
    position: absolute;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.honor-prev {
    left: 50px;
}

.honor-next {
    right: 50px;
}

.honor-prev:hover,
.honor-next:hover {
    background: #fe0000;
}

/* 新闻动态部分 */
.news {
    padding: 80px 0;
    position: relative;
}

.news-main {
    display: flex;
    /* gap: 40px; */
    margin-top: 40px;
    /* min-height: 800px; */
    width: 90%;
    margin: 0 auto;
}

/* 左侧导航 */
.news-nav {
    flex: 0 0 200px;
    background: #f5f5f5;
    border-radius: 0;
    padding: 0;
}

.news-nav a {
    display: block;
    padding: 15px 30px;
    color: #666;
    text-decoration: none;
    font-size: 16px;
    position: relative;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.news-nav a:last-child {
    border-bottom: none;
}

.news-nav a:hover,
.news-nav a.active {
    /* background: #c40000; */
    color: #000;
    /* padding: 20px 30px; */
    /* box-shadow: 0 5px 15px rgba(196, 0, 0, 0.2); */
    z-index: 2;
}

.news-nav a:after {
    content: '\f105';
    font-family: 'FontAwesome';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.news-nav a:hover:after,
.news-nav a.active:after {
    opacity: 1;
    transform: translateY(-50%) translateX(5px);
}

/* 右侧内容区 */
.news-content {
    flex: 1;
    /* background: #f5f5f5; */
    /* padding: 30px; */
}

.news-list {
    position: relative;
    min-height: 700px;
    background: #fff;
    padding: 30px;
}

/* 新闻列表基础样式 */
.news-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.news-group.active {
    opacity: 1;
    transform: translateY(0);
}

.news-item {
    background: #fff;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.news-img {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
    flex-shrink: 0;
}

.news-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news-info {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-info h4 {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: normal;
    line-height: 1.4;
}

.news-info h4 a {
    color: #333;
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.news-info h4 a:hover {
    color: #fe0000;
}

.news-info p {
    font-size: 14px;
    line-height: 1.5;
    height: 60px;
    margin-bottom: 10px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
}

.news-meta {
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid #eee;
    display: flex;
    align-items: flex-start;
}

.news-meta .date,
.news-meta .views {
    display: flex;
    align-items: center;
}

.news-meta i {
    margin-right: 5px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .news-main {
        flex-direction: column;
    }

    .news-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 30px;
        gap: 20px;
        flex-basis: 100%;
    }

    .news-nav a {
        padding: 10px 20px;
        white-space: nowrap;
        font-size: 16px;
        line-height: 32px;
    }

    .news-content {
        padding-left: 0;
    }

    .news-group {
        grid-template-columns: 2fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .news {
        padding: 40px 0;
    }

    .news-nav {
        gap: 10px;
        flex-basis: 100%;
    }

    .news-nav a {
        padding: 8px 15px;
        font-size: 16px;
        line-height: 32px;
    }

    .news-list {
        grid-template-columns: 1fr;
    }

    .news-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .news-item {
        flex-direction: column;
    }

    .news-img {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }

    .news-img img {
        height: 140px;
    }

    .news-info {
        padding: 10px;
    }

    .news-info h4 {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .news-info p {
        font-size: 12px;
        margin-bottom: 8px;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        height: 36px;
    }

    .news-meta {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .news-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .news-img img {
        height: 120px;
    }

    .news-info {
        padding: 8px;
    }

    .news-info h4 {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .news-info p {
        font-size: 12px;
        margin-bottom: 6px;
        height: 32px;
    }

    .news-meta {
        padding-top: 6px;
    }
}

/* 统一页面标题banner样式 */
.page-banner {
    margin-top: 106px;
    position: relative;
    color: #fff;
    width: 100%;
    overflow: hidden;
    height: 595px;
}

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

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.page-banner .container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    text-align: center;
    padding: 0 15px;
}

.page-banner h1 {
    font-size: 40px;
    color: #fff;
    margin: 0 0 20px;
    font-weight: bold;
    text-transform: uppercase;
}

.page-banner .breadcrumb {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.page-banner .breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-banner .breadcrumb a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.page-banner .breadcrumb span {
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .page-banner {
        height: 500px;
    }

    .page-banner h1 {
        font-size: 36px;
    }
}

@media (max-width: 992px) {
    .page-banner {
        margin-top: 80px;
        height: 400px;
    }

    .page-banner h1 {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .page-banner .breadcrumb {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .page-banner {
        margin-top: 55px;
        height: 300px;
    }

    .page-banner h1 {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .page-banner .breadcrumb {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-banner {
        height: 250px;
    }

    .page-banner h1 {
        font-size: 24px;
    }
}

/* 产品主体区域样式 */
.product-main-container {
    padding: 40px 0;
    background: #fff;
    min-height: 0;
}

.product-main-container .container {
    display: flex;
    gap: 30px;
    max-width: 90%;
    margin: 0 auto;
    padding: 0 15px;
}

/* 左侧边栏样式 */
.product-sidebar {
    width: 260px;
    flex-shrink: 0;
}

.sidebar-title {
    background: #c40000;
    color: #fff;
    padding: 15px 20px;
    font-size: 18px;
    font-weight: bold;
}

.sidebar-nav {
    border: 1px solid #eee;
    border-top: none;
}

.nav-item {
    border-bottom: 1px solid #eee;
    position: relative;
}

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

.nav-item>a {
    display: block;
    padding: 12px 45px 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 一级菜单选中和悬停状态 */
.nav-item>a:hover,
.nav-item.active>a {
    color: #c40000;
    background: #f9f9f9;
    padding-left: 25px;
}

/* 箭头按钮样式 */
.toggle-submenu {
    position: absolute;
    right: 0;
    top: 0;
    width: 45px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
}

.toggle-submenu:hover {
    background: rgba(0, 0, 0, 0.05);
}

.toggle-submenu:after {
    content: '\f107';
    font-family: 'FontAwesome';
    font-size: 14px;
    color: #666;
    transition: transform 0.3s ease;
}

.nav-item.active>.toggle-submenu:after {
    transform: rotate(180deg);
}

/* 子菜单样式 */
.sub-menu {
    background: #f9f9f9;
    display: none;
}

.nav-item.active>.sub-menu {
    display: block;
}

.sub-menu li {
    border-top: 1px solid #eee;
}

/* 二级菜单链接样式 */
.sub-menu a {
    padding: 10px 20px 10px 35px;
    font-size: 14px;
    color: #666;
    display: block;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* 二级菜单悬停和选中状态 */
.sub-menu a:hover,
.sub-menu li.active a {
    color: #c40000;
    padding-left: 40px;
    background: #f5f5f5;
}

/* 右侧内容区域样式 */
.product-content {
    flex: 1;
    min-width: 0;
    /* 防止flex子项超出容器 */
    border: 1px solid #eee;
    padding: 20px;
    margin-top: -1px;
    overflow: hidden;
    /* 确保内容不会溢出 */
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    /* 使用minmax确保列宽一致 */
    gap: 20px;
    margin-bottom: 30px;
    width: 100%;
}

.product-item {
    width: 100%;
    height: 100%;
    display: flex;
    padding: 0;
}

.product-inner {
    width: 100%;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.product-img {
    width: 100%;
    position: relative;
    padding-top: 75%;
    /* 保持4:3的图片比例 */
    overflow: hidden;
    flex-shrink: 0;
}

.product-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    padding: 10px;
}

.product-info {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    /* 防止文本内容撑开容器 */
}

.product-info h4 {
    margin: 0 0 10px;
    font-size: 16px;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-height: 48px;
}

.product-info h4 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-info h4 a:hover {
    color: #c40000;
}

.product-info p {
    margin: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    max-height: 63px;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 15px;
    }

    .product-info h4 {
        font-size: 15px;
    }

    .product-info p {
        font-size: 13px;
    }
}

@media (max-width: 992px) {
    .product-main-container .container {
        flex-direction: column;
        max-width: 90%;
    }

    .product-sidebar {
        width: 100%;
        margin-bottom: 20px;
    }

    .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .product-main-container .container {
        max-width: 95%;
        padding: 0 10px;
    }

    .product-content {
        padding: 15px;
    }

    .products-grid {
        gap: 10px;
    }

    .product-info {
        padding: 10px;
    }

    .product-info h4 {
        font-size: 14px;
        margin-bottom: 8px;
        -webkit-line-clamp: 1;
        max-height: 21px;
    }

    .product-info p {
        font-size: 12px;
        -webkit-line-clamp: 2;
        max-height: 36px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .product-info {
        padding: 8px;
    }

    .product-info h4 {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .product-info p {
        font-size: 12px;
        line-height: 1.4;
    }
}

/* 分页样式优化 */
.pages {
    margin-top: 30px;
    text-align: center;
    clear: both;
}

.pages a {
    display: inline-block;
    padding: 8px 15px;
    margin: 0 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pages a:hover {
    background: #f5f5f5;
    border-color: #c40000;
    color: #c40000;
}

.pages a.page-num-current {
    background: #c40000;
    border-color: #c40000;
    color: #fff;
}

/* 产品详情页样式 */
.product-detail {
    padding: 60px 0;
}

.product-detail .container {
    /* max-width: 1200px; */
    margin: 0 auto;
    padding: 0 15px;
}

.product-main {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
    gap: 30px;
    align-items: flex-start;
}

@media (max-width: 767px) {
    .product-main {
        flex-direction: column;
    }
}

.product-gallery {
    flex: 0 0 50%;
    position: relative;
    margin-bottom: 30px;
}

@media (min-width: 992px) {
    .product-gallery {
        flex: 0 0 45%;
    }

    .product-detail .product-info {
        flex: 0 0 50%;
    }
}

.gallery-main {
    position: relative;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid #eee;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 1201px) {
    .gallery-main img {
        max-height: 480px;
    }
}

.gallery-main img {
    width: 100%;
    height: auto;
    /* object-fit: contain; */
    transition: opacity 0.3s;
    display: block;
    margin: 0 auto;
}

.gallery-main img.fade-out {
    opacity: 0;
}

.gallery-main img.fade-in {
    opacity: 1;
}

.gallery-thumbs-wrapper {
    position: relative;
    margin: 10px auto;
    padding: 0 35px;
    width: 100%;
    overflow: visible;
}

.gallery-thumbs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 10px;
    scroll-behavior: smooth;
    padding: 5px 0;
    margin: 0 auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.thumb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.15);
    border: none;
    width: 30px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    color: #fff;
    opacity: 0.7;
    pointer-events: auto;
}

.thumb-nav:hover {
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    opacity: 1;
}

.thumb-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.thumb-prev {
    left: 0;
    border-radius: 3px 0 0 3px;
    position: absolute;
}

.thumb-next {
    right: 0;
    border-radius: 0 3px 3px 0;
    position: absolute;
}

.thumb-nav i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.thumb-prev:hover i {
    transform: translateX(-3px);
}

.thumb-next:hover i {
    transform: translateX(3px);
}

.thumb-item {
    flex: 0 0 100px;
    height: 100px;
    border: 1px solid #eee;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumb-item:hover {
    border-color: #ddd;
}

.thumb-item.active {
    border-color: #c40000;
}

.thumb-item.active img {
    border-color: #c40000;
}

.thumb-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: all 0.3s;
    padding: 3px;
    display: block;
}

.thumb-item:hover img {
    transform: scale(1.05);
}

/* 产品放大镜样式 */
.zoom-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.zoom-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: crosshair;
    display: block;
    margin: 0 auto;
}

.zoom-lens {
    position: absolute;
    border: 2px solid #c40000;
    width: 100px;
    height: 100px;
    display: none;
    cursor: crosshair;
    background-color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

.zoom-result {
    position: absolute;
    top: 0;
    right: -300px;
    width: 300px;
    height: 300px;
    border: 1px solid #ddd;
    background-repeat: no-repeat;
    display: none;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* 修复zoom-result在页面上显示问题 */
@media (min-width: 1201px) {
    .gallery-main {
        position: relative;
        overflow: visible !important;
    }

    .zoom-result {
        position: absolute;
        top: 0;
        right: -320px;
        z-index: 100;
        background-color: #fff;
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 1200px) {

    /* 在小屏幕上禁用放大镜 */
    .zoom-lens,
    .zoom-result {
        display: none !important;
    }

    .gallery-main {
        height: 400px;
    }

    .zoom-container img {
        cursor: default;
    }
}

/* 产品信息区样式 */
.product-detail .product-info {
    background: #fff;
    padding: 30px;
    border-radius: 4px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    flex: 1;
    min-height: 630px;
}

@media (max-width: 768px) {
    .product-detail .product-info {
        min-height: auto;
        flex: 1 0 100%;
        padding: 20px;
    }
}

.product-detail .product-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 25px;
    line-height: 1.4;
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.product-detail .product-desc {
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    margin: 25px 0;
    text-align: left;
}

.product-detail .product-desc img {
    max-width: 100%;
    height: auto;
    margin: 15px 0;
    border-radius: 4px;
}

.product-detail .product-features {
    background: #f8f8f8;
    padding: 25px;
    border-radius: 4px;
    margin: 30px 0;
    width: 100%;
    box-sizing: border-box;
}

.product-detail .feature-title {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-left: 15px;
    text-align: left;
}

.product-detail .feature-title:before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: #c40000;
    border-radius: 2px;
}

.product-detail .feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 100%;
}

.product-detail .feature-list li {
    position: relative;
    padding-left: 25px;
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 5px;
    width: 100%;
    min-width: 0;
    /* 防止grid项目被内容撑大 */
}

.product-detail .feature-list li:before {
    content: '\f00c';
    font-family: 'FontAwesome';
    position: absolute;
    left: 0;
    top: 4px;
    color: #c40000;
    font-size: 14px;
    grid-column: 1;
}

.product-detail .feature-list li span {
    grid-column: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    display: block;
    min-width: 0;
    /* 确保文本可以正确截断 */
}

.product-detail .product-actions {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    justify-content: flex-start;
}

.product-detail .action-btn {
    padding: 12px 35px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
}

.product-detail .btn-inquiry {
    background: #c40000;
    color: #fff;
    border: none;
    position: relative;
    overflow: hidden;
}

.product-detail .btn-inquiry:hover {
    background: #a00000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(196, 0, 0, 0.3);
}

.product-detail .btn-download {
    background: #fff;
    color: #333;
    border: 2px solid #ddd;
}

.product-detail .btn-download:hover {
    border-color: #c40000;
    color: #c40000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .product-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .product-gallery {
        max-width: 100%;
        margin: 0 auto;
    }

    .gallery-main {
        aspect-ratio: 4/3;
    }

    .product-detail .product-info {
        padding: 25px;
    }

    .product-detail .product-title {
        font-size: 24px;
    }

    .product-detail .feature-list {
        grid-template-columns: 1fr;
    }

    /* 新增 - 产品内容区域调整 */
    .product-detail .product-content {
        padding: 15px;
    }
}

@media (max-width: 768px) {
    .product-gallery {
        flex: 0 0 100%;
        margin-bottom: 20px;
    }

    .gallery-main {
        aspect-ratio: 3/2;
        height: auto;
        max-height: 350px;
    }

    .zoom-container {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .zoom-image {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
    }
}

.gallery-thumbs {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 10px;
    grid-template-columns: none;
}

.gallery-thumbs::-webkit-scrollbar {
    display: none;
}

.thumb-item {
    flex: 0 0 80px;
    width: 80px;
    height: 80px;
}

.product-detail .product-info {
    padding: 20px;
}

.product-detail .product-title {
    font-size: 20px;
    margin-bottom: 20px;
}

.product-detail .product-desc {
    font-size: 14px;
}

.product-detail .product-features {
    padding: 20px;
    margin: 20px 0;
    /* 新增 - 调整间距 */
}

.product-detail .feature-title {
    font-size: 18px;
}

.product-detail .feature-list li {
    font-size: 14px;
}

.product-detail .product-actions {
    flex-direction: column;
    gap: 15px;
}

.product-detail .action-btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 15px;
}

/* 新增 - 容器宽度调整 */
.product-detail .container {
    width: 95%;
    padding: 0 10px;
}

/* 新增 - 产品内容区域调整 */
.product-detail .product-content {
    padding: 15px;
}

/* 新增 - 选项卡调整 */
.product-detail .content-tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-bottom: 15px;
}

.product-detail .content-tabs::-webkit-scrollbar {
    display: none;
}

.product-detail .content-panel {
    padding: 10px;
}

.product-detail .content-panel img {
    max-width: 100%;
    height: auto;
}
}

@media (max-width: 480px) {
    .product-gallery {
        max-width: 100%;
        width: 100%;
    }

    .product-main {
        gap: 15px;
    }

    .gallery-main {
        max-height: 300px;
    }

    .zoom-container {
        width: 100%;
        height: 100%;
    }

    .zoom-image {
        max-height: 280px;
        margin: 0 auto;
    }

    .gallery-thumbs {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 缩略图导航调整 */
    .gallery-thumbs-wrapper {
        padding: 0 25px;
        margin: 5px auto;
    }

    .thumb-nav {
        width: 25px;
    }

    .product-detail .product-title {
        font-size: 18px;
        /* 调整 - 更小的标题 */
        padding-bottom: 10px;
        margin-bottom: 15px;
    }

    .product-detail .product-desc {
        font-size: 14px;
        margin: 15px 0;
        /* 调整 - 减少间距 */
        line-height: 1.6;
    }

    .product-detail .feature-title {
        font-size: 16px;
        margin-bottom: 15px;
        /* 调整 - 减少间距 */
    }

    .product-detail .feature-list li {
        font-size: 13px;
        /* 调整 - 更小的字体 */
        padding-left: 15px;
        margin-bottom: 5px;
        /* 新增 - 项目间距 */
    }

    .product-detail .feature-list li:before {
        font-size: 12px;
        top: 3px;
    }

    /* 新增 - 产品特性区域调整 */
    .product-detail .product-features {
        padding: 15px;
        margin: 15px 0;
    }

    /* 新增 - 操作按钮区域调整 */
    .product-detail .product-actions {
        padding-top: 20px;
        margin-top: 20px;
    }

    .product-detail .action-btn {
        padding: 10px 15px;
        font-size: 14px;
        min-width: 0;
        /* 移除最小宽度限制 */
    }

    /* 新增 - 选项卡样式调整 */
    .product-detail .tab-item {
        padding: 8px 15px;
        font-size: 14px;
        white-space: nowrap;
    }

    /* 新增 - 内容面板调整 */
    .product-detail .content-panel {
        font-size: 14px;
        line-height: 1.6;
    }
}

/* 放大镜响应式处理 */
@media (max-width: 1200px) {

    .zoom-lens,
    .zoom-result {
        display: none !important;
    }

    .gallery-main {
        overflow: hidden;
    }

    .zoom-container img {
        cursor: default;
    }
}

/* 页脚样式 */
.footer {
    background-color: #595959;
    padding: 60px 0 0;
    color: #fff;
}

.footer-content {
    width: 80%;
    margin: 0 auto 15px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
}

/* 左侧样式 */
.footer-left {
    flex: 1;
    max-width: 300px;
}

.footer-logo {
    max-width: 100px;
    height: auto;
    margin-bottom: 20px;
}

.slogan {
    color: #e3e3e3;
    font-size: 16px;
    margin: 0;
}

/* 中间部分样式 */
.footer-center {
    flex: 2;
    display: flex;
    justify-content: center;
}

.contact-person {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.person {
    text-align: center;
    max-width: 300px;
}

.person h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.person-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

@media (max-width: 480px) {
    .qr-item img {
        width: 95%;
        height: 95%;
        object-fit: cover;
        padding: 0;
    }
}

.qr-codes {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-bottom: 20px;
    justify-content: center;
}

.qr-item {
    width: 100px;
    height: 100px;
    background: #fff;
    padding: 5px;
    border-radius: 4px;
}

.qr-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.email,
.tel {
    color: #e3e3e3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
    word-break: break-word;
}

.contact-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
    flex-shrink: 0;
}

/* 右侧样式 */
.footer-right {
    flex: 1;
    max-width: 300px;
    text-align: right;
}

.social-links {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.social-link img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.address {
    color: #e3e3e3;
    font-size: 14px;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .footer-content {
        width: 90%;
    }

    .person {
        max-width: 280px;
    }
}

@media (max-width: 992px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 40px;
    }

    .footer-left,
    .footer-right {
        max-width: 100%;
        text-align: center;
    }

    .footer-left {
        order: 1;
    }

    .footer-center {
        order: 2;
        width: 100%;
    }

    .footer-right {
        order: 3;
    }

    .social-links {
        justify-content: center;
    }

    .contact-person {
        flex-direction: row;
        gap: 30px;
        width: 100%;
    }

    .person {
        max-width: 45%;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0;
    }

    .footer-content {
        width: 95%;
        gap: 30px;
    }

    .qr-codes {
        gap: 10px;
    }

    .qr-item {
        width: 100px;
        height: 100px;
    }

    .contact-person {
        flex-direction: column;
        gap: 40px;
    }

    .person {
        max-width: 100%;
    }

    .email,
    .tel {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 30px 0;
    }

    .footer-content {
        gap: 25px;
    }

    .footer-logo {
        max-width: 160px;
    }

    .qr-codes {
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }

    .qr-item {
        width: 120px;
        height: 120px;
    }

    .person h3 {
        font-size: 16px;
    }

    .email,
    .tel {
        font-size: 13px;
    }

    .social-links {
        gap: 10px;
    }

    .social-link {
        width: 32px;
        height: 32px;
    }

    .social-link img {
        width: 18px;
        height: 18px;
    }

    .address {
        font-size: 13px;
    }
}

/* About页面样式 */
.about-page {
    background: #fff;
    padding: 60px 0;
}

.company-intro {
    padding: 40px 0;
}

.company-intro .container {
    width: 80%;
    margin: 0 auto;
}

.intro-content {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 50px;
    text-align: left;
    /* 改为左对齐 */
    word-wrap: break-word;
    /* 确保长单词可以换行 */
    overflow-wrap: break-word;
    /* 现代浏览器的长单词换行属性 */
    hyphens: auto;
    /* 添加连字符 */
}

.company-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.image-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.image-item.large {
    grid-column: span 1;
    height: 400px;
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease-in-out;
}

.image-item:hover img {
    transform: scale(1.05);
}

.small-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.image-item.small {
    height: 200px;
}

/* 发展历程部分 */
.company-history {
    padding: 60px 0;
    background: #f9f9f9;
}

.company-history .container {
    width: 80%;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.section-title .en-title {
    font-size: 16px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 1200px) {

    .company-intro .container,
    .company-history .container {
        width: 90%;
    }

    .image-item.large {
        height: 350px;
    }

    .image-item.small {
        height: 175px;
    }
}

@media (max-width: 992px) {
    .about-page {
        padding: 40px 0;
    }

    .company-images {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .image-item.large {
        height: 300px;
    }

    .image-item.small {
        height: 200px;
    }

    .section-title h2 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {

    .company-intro .container,
    .company-history .container {
        width: 95%;
    }

    .intro-content {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .image-item.large,
    .image-item.small {
        height: 250px;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .section-title .en-title {
        font-size: 14px;
    }
}

@media (max-width: 480px) {

    .image-item.large,
    .image-item.small {
        height: 200px;
    }

    .section-title h2 {
        font-size: 24px;
    }
}

/* Workshop Equipment 样式 */
.workshop-equipment {
    margin-top: 40px;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.workshop-equipment img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    transition: transform 0.3s ease-in-out;
}

.workshop-equipment:hover img {
    transform: scale(1.05);
}

/* 新闻列表页面样式 */
.news-container {
    padding: 60px 0;
    background: #fff;
}

/* 新闻分类标签 */
.news-tabs {
    width: 80%;
    margin: 0 auto 40px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1200px;
    padding: 0 15px;
}

.news-tabs a {
    text-decoration: none;
}

.news-tabs .tab-item {
    padding: 10px 20px;
    background-color: #f5f5f5;
    color: #333;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 100px;
}

.news-tabs .tab-item:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.news-tabs .tab-item.active {
    background-color: #c40000;
    color: #fff;
}

/* 新闻内容区域 */
.news-content {
    width: 80%;
    margin: 0 auto;
}

.news-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.news-item {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.news-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.news-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-item:hover .news-img img {
    transform: scale(1.05);
}

.news-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-info h3 {
    margin: 0 0 15px;
    font-size: 18px;
    line-height: 1.4;
}

.news-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.news-info h3 a:hover {
    color: #c40000;
}

.news-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.news-date {
    color: #999;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.news-date i {
    margin-right: 5px;
}

/* 响应式调整 */
@media (max-width: 1200px) {

    .news-content,
    .news-tabs {
        width: 90%;
    }

    .news-panel {
        gap: 20px;
    }

    .news-img {
        height: 200px;
    }
}

@media (max-width: 992px) {
    .news-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .news-img {
        height: 200px;
    }

    .news-info h3 {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .news-container {
        padding: 40px 0;
    }

    .news-content,
    .news-tabs {
        width: 95%;
    }

    .tab-item {
        padding: 8px 15px;
        font-size: 14px;
    }

    .news-panel {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .news-img {
        height: 180px;
    }

    .news-info {
        padding: 15px;
    }

    .news-desc {
        font-size: 13px;
        margin-bottom: 15px;
        -webkit-line-clamp: 2;
        line-clamp: 2;
    }
}

@media (max-width: 480px) {
    .news-panel {
        grid-template-columns: 1fr;
    }

    .news-img {
        height: 200px;
    }

    .news-info h3 {
        font-size: 15px;
        margin-bottom: 10px;
    }
}

/* Contact页面样式 */
.contact {
    padding: 60px 0;
    background: #fff;
}

.contact-content {
    width: 80%;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: 50px;
}

.title-text {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.title-en {
    font-size: 16px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 联系信息网格 */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.contact-info-item {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.info-icon i {
    font-size: 36px;
    color: #c40000;
    position: relative;
    z-index: 2;
}

.info-icon:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(196, 0, 0, 0.1);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.contact-info-item:hover .info-icon:after {
    width: 70px;
    height: 70px;
    background: rgba(196, 0, 0, 0.15);
}

.contact-info-item h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.contact-info-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 地图容器 */
.map-wrapper {
    width: 100%;
    margin: 0 auto;
    padding: 0;
}

#map-container {
    width: 100%;
    height: 500px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .contact-content {
        width: 90%;
    }
}

@media (max-width: 992px) {
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    #map-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .contact {
        padding: 40px 0;
    }

    .contact-content {
        width: 95%;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-info-item {
        padding: 30px 20px;
    }

    .info-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .info-icon i {
        font-size: 28px;
    }

    .title-text {
        font-size: 28px;
    }

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

    .contact-info-item h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .contact-info-item p {
        font-size: 14px;
    }

    #map-container {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .title-text {
        font-size: 24px;
    }

    #map-container {
        height: 300px;
    }
}

/* 新闻标签导航 */
.news-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px auto;
    max-width: 1200px;
    padding: 0 15px;
}

.news-tabs a {
    text-decoration: none;
}

.news-tabs .tab-item {
    padding: 10px 20px;
    background-color: #f5f5f5;
    color: #333;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 100px;
}

.news-tabs .tab-item:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}

.news-tabs .tab-item.active {
    background-color: #c40000;
    color: #fff;
}

/* 新闻标签响应式 */
@media (max-width: 992px) {
    .news-tabs {
        gap: 10px;
    }

    .news-tabs .tab-item {
        padding: 8px 15px;
        font-size: 15px;
        min-width: 90px;
    }
}

@media (max-width: 768px) {
    .news-tabs {
        overflow-x: auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding-bottom: 10px;
        margin: 20px auto;
        -ms-overflow-style: none;
        /* IE and Edge */
        scrollbar-width: none;
        /* Firefox */
    }

    .news-tabs::-webkit-scrollbar {
        display: none;
        /* Chrome, Safari, Opera */
    }

    .news-tabs .tab-item {
        padding: 8px 12px;
        font-size: 14px;
        white-space: nowrap;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .news-tabs {
        margin: 15px auto;
    }

    .news-tabs .tab-item {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* 二维码图片样式 */
.qr-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (max-width: 480px) {
    .qr-item img {
        width: 95%;
        height: 95%;
        object-fit: cover;
        padding: 0;
    }
}

/* 地图信息窗口样式 */
.map-info-window {
    padding: 15px;
    max-width: 300px;
}

.map-info-title {
    margin: 0 0 8px;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.map-info-content {
    margin: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 地图信息窗口响应式 */
@media (max-width: 768px) {
    .map-info-window {
        padding: 12px;
        max-width: 250px;
    }

    .map-info-title {
        font-size: 15px;
        margin-bottom: 6px;
    }

    .map-info-content {
        font-size: 13px;
        line-height: 1.5;
    }
}

@media (max-width: 480px) {
    .map-info-window {
        padding: 10px;
        max-width: 200px;
    }

    .map-info-title {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .map-info-content {
        font-size: 12px;
        line-height: 1.4;
    }
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .honor-item {
        width: 500px;
        height: 400px;
    }
}

@media (max-width: 992px) {
    .honor {
        padding: 60px 0;
    }

    .honor-list {
        height: 500px;
    }

    .honor-item {
        width: 450px;
        height: 350px;
    }
}

@media (max-width: 768px) {
    .honor {
        padding: 40px 0;
    }

    .honor-list {
        height: 400px;
    }

    .honor-item {
        width: 360px;
        height: 280px;
    }

    .honor-prev {
        left: 20px;
    }

    .honor-next {
        right: 20px;
    }

    .honor-prev,
    .honor-next {
        width: 40px;
        height: 40px;
        line-height: 40px;
    }
}

@media (max-width: 480px) {
    .honor {
        padding: 30px 0;
    }

    .honor-list {
        height: 320px;
    }

    .honor-item {
        width: 280px;
        height: 220px;
    }

    .honor-prev,
    .honor-next {
        width: 35px;
        height: 35px;
        line-height: 35px;
    }

    .honor-prev {
        left: 10px;
    }

    .honor-next {
        right: 10px;
    }

    .honor-item img.portrait {
        padding: 7px !important;
    }

    .honor-item img.landscape {
        padding: 5px 10px !important;
    }
}

.products {
    padding: 80px 0;
    position: relative;
    background-color: #fff;
}

.products-container {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.product-item {
    width: 100%;
    height: 100%;
    display: flex;
    padding: 0;
}

.product-inner {
    width: 100%;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    min-height: 400px;
}

.product-img {
    width: 100%;
    height: 280px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.product-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    padding: 10px;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .products {
        padding: 60px 0;
    }

    .product-inner {
        min-height: 350px;
    }

    .product-img {
        height: 240px;
    }
}

@media (max-width: 992px) {
    .products {
        padding: 50px 0;
    }

    .product-inner {
        min-height: 320px;
    }

    .product-img {
        height: 220px;
    }

    .product-info h4 {
        font-size: 15px;
    }

    .product-info p {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .products {
        padding: 40px 0;
    }

    .product-inner {
        min-height: 300px;
    }

    .product-img {
        height: 200px;
    }

    .product-info {
        padding: 12px;
    }

    .product-info h4 {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .product-info p {
        font-size: 12px;
        -webkit-line-clamp: 2;
    }
}

@media (max-width: 576px) {
    .products {
        padding: 30px 0;
    }

    .product-inner {
        min-height: 260px;
    }

    .product-img {
        height: 160px;
    }

    .product-info {
        padding: 10px;
    }

    .product-info h4 {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .product-info p {
        font-size: 12px;
        line-height: 1.4;
    }
}
}

/* 分享按钮样式 */
.share-box {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
}

.share-text {
    margin-right: 15px;
    color: #999;
}

.share-links {
    display: flex;
    gap: 15px;
}

.share-links .social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.share-links .social-link:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: translateY(-3px);
}

.share-links .social-link img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

@media (max-width: 768px) {
    .share-box {
        flex-direction: column;
        align-items: flex-start;
    }

    .share-text {
        margin-bottom: 10px;
    }

    .share-links .social-link {
        width: 32px;
        height: 32px;
    }

    .share-links .social-link img {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .share-links .social-link {
        width: 30px;
        height: 30px;
    }

    .share-links .social-link img {
        width: 16px;
        height: 16px;
    }
}