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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    /* padding: 0 20px; */
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-outline:hover {
    background-color: #007bff;
    color: #fff;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    z-index: 1000;
}

/* 顶部栏 */
.top-bar {
    background-color: #F3F3F3;
    padding: 12px 0;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.7px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    color: #333;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #007bff;
}

.phone-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
}

.phone-number {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #218acc;
    letter-spacing: 0.7px;
}

/* 主导航栏 */
.navbar {
    height: 85px;
    background-color: #fff;
    position: relative;

    /* align-items: center; */
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    gap: 0;
    position: relative;
}

.logo {
    width: 194px;
    height: 58px;
    display: inline-block;
    margin-right: 230px;
}

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



.navbar-menu {
    display: flex;
    gap: 0;
    align-items: stretch;
    flex: 1;
    justify-content: flex-start;
    height: 100%;
}

.navbar-menu li {
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar-menu li a {
    padding: 10px 20px;
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    border-radius: 0;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    height: 100%;
}

.navbar-menu li a:hover {
    color: #218acc;
    background-color: transparent;
}

.navbar-menu li.has-dropdown:hover>a {
    color: #fff;
    background-color: #218acc;
    padding: 10px 30px;
}

.navbar-menu li.has-dropdown.active>a {
    color: #fff;
    background-color: #218acc;
    padding: 10px 30px;
}

.navbar-menu li.active {
    background-color: #218acc;
}

.navbar-menu li.active a {
    color: #fff;
    background-color: transparent;
    padding: 10px 30px;
}

/* 下拉菜单样式 */
.navbar-menu li.has-dropdown {
    position: relative;
}


.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 40px;
    min-width: 900px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 0;
}

.navbar-menu li.has-dropdown:hover .dropdown-menu,
.navbar-menu li.has-dropdown .dropdown-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.dropdown-item {
    padding: 16px 20px;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    text-align: center;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    max-width: 100%;
}

.dropdown-item:hover,
.dropdown-item.active {
    color: #218acc;
    background-color: transparent;
}

.navbar-bottom-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #218acc;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    z-index: 1001;
    align-items: center;
}

.navbar-toggle span {
    width: 6px;
    height: 6px;
    background-color: #333;
    transition: all 0.3s ease;
    border-radius: 50%;
    display: block;
}

.navbar-toggle.active span {
    background-color: #218acc;
}

/* 轮播图 */
.banner {
    position: relative;
    margin-top: 120px;
    height: 428px;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.banner-item.active {
    opacity: 1;
}

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

.banner-content {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    color: #fff;
    text-align: center;
    z-index: 2;
}

.banner-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-desc {
    font-size: 20px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* 底部短横线指示器 */
.banner-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    align-items: center;
    z-index: 3;
}

.indicator-dash {
    width: 30px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 2px;
}

.indicator-dash.active {
    background-color: rgba(255, 255, 255, 0.9);
    width: 40px;
}

.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    display: none;
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

.banner-prev,
.banner-next {
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-prev:hover,
.banner-next:hover {
    background-color: #fff;
    transform: scale(1.1);
}

/* 通用区块样式 */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    text-align: center;
    color: #333333;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: center;
    color: #999999;
    letter-spacing: 1px;
}

/* 公司介绍 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.company-name {
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.about-text p {
    margin-bottom: 5px;
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    letter-spacing: 0.9px;
    line-height: 1.8;
    min-height: 162px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 8;
    line-clamp: 8;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}

.btn-view-more {
    background-color: transparent;
    color: #218ACC;
    border: 1px solid #218ACC;
    border-radius: 4px;
    padding: 10px 25px;
    font-size: 16px;
    margin-top: 20px;
    transition: all 0.3s ease;
}


.about-image img {
    border-radius: 8px 0 0 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    width: 700px;
    height: 304px;
}


/* 新闻动态 */
.news-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    align-items: stretch;
}

.news-left {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: 12px;
    padding: 35px;
    box-sizing: border-box;
    height: 100%;
    gap: 20px;
}

.news-left .news-item {
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding: 0;
    margin-top: 0;
}

.news-image {
    width: 100%;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 12px;
    aspect-ratio: 16 / 9;
}

.news-image img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    display: block;
    object-fit: cover;
}

.news-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 0;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.news-item-highlight {
    background: #218acc;
    border-radius: 12px;
    padding: 24px 30px;
    box-sizing: border-box;
    margin: 0;
}



.news-item-highlight .news-title a {
    color: #fff;
}

.news-item-highlight .news-excerpt {
    color: rgba(255, 255, 255, 0.9);
}

.news-date {
    flex-shrink: 0;
    /* width: 80px; */
    display: flex;
    flex-direction: column;
    /* align-items: center; */
    justify-content: flex-start;
    font-size: 30px;
    font-family: DIN Alternate, DIN Alternate-Bold;
    font-weight: 700;
    color: #1d2129;
    letter-spacing: 1.6px;
}

.date-day {
    min-width: 80px;
    display: block;
    font-size: 30px;
    font-family: DIN Alternate, DIN Alternate-Bold;
    font-weight: 700;
    text-align: left;
    color: #1d2129;
    letter-spacing: 1.6px;
}

.news-item-white {
    background: #ffffff;
    border-radius: 12px;
    padding: 24px 30px;
    box-sizing: border-box;
    margin: 0;
}

.news-item-highlight .date-day {
    color: #fff;
}

.date-year {
    display: block;
    opacity: 0.5;
    font-size: 15px;
    font-family: DIN Alternate, DIN Alternate-Bold;
    font-weight: 700;
    color: #1d2129;
    letter-spacing: 0.75px;
}

.news-item-highlight .date-year {
    color: rgba(255, 255, 255, 0.8);
}

.date-month {
    display: none;
}

.news-content {
    flex: 1;
}

.news-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    color: #1d2129;
    letter-spacing: 0.9px;
    margin-bottom: 10px;
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
}

.news-title a {
    color: #333;
    transition: color 0.3s ease;
    display: block;
}


.news-excerpt {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #4E5969;
    letter-spacing: 0.7px;
    margin: 0;
    min-height: 40px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
}

/* 技术文章 */
.technical {
    background-image: url('../images/bg1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
    position: relative;
    background-color: #218ACC;
}

.technical::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background-color: rgba(0, 0, 0, 0.5); */
    z-index: 1;
}

.technical .container {
    position: relative;
    z-index: 2;
}

.technical-header {
    margin-bottom: 50px;
}

.technical-title {
    color: #fff;
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    text-align: center;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.technical-subtitle {
    color: #fff;
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: center;
    letter-spacing: 1px;
}

.technical-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.technical-left,
.technical-right {
    background-color: #fff;
    border-radius: 12px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.technical-item {
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}

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


.technical-text {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    color: #1d2129;
    letter-spacing: 0.9px;
    margin: 0;
}

.technical-text:hover {
    color: #218acc;
    cursor: pointer;
}


.technical-item-highlight .technical-text {
    color: #fff;
}

/* 面包屑导航 */
.breadcrumb {
    /* background-color: #fff; */
    padding: 20px 0;
    /* border-top: 1px solid #f0f0f0; */
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item:hover {
    color: #218acc;
}

.breadcrumb-item.current {
    color: #666666;
    cursor: default;
}

.breadcrumb-separator {
    font-size: 14px;
    color: #999999;
    margin: 0 4px;
}

/* 页面标题区域 */
.page-header {
    margin-top: 120px;
    padding: 40px 0;
    background-color: #fafafa;
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #333333;
    letter-spacing: 1.8px;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    letter-spacing: 1px;
}

/* 产品筛选器 */
.product-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    padding: 20px 0;
}

.filter-item {
    padding: 10px 25px;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-item:hover {
    color: #218acc;
    border-color: #218acc;
    background-color: #f0f8ff;
}

.filter-item.active {
    color: #fff;
    background-color: #218acc;
    border-color: #218acc;
}

/* 产品详情页面 */
.product-detail-section {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.product-detail-container {
    max-width: 100%;
    overflow: hidden;
    text-align: justify;
    word-break: break-all;
    overflow-wrap: break-word;
}

.product-detail-image {
    float: left;
    width: 460px;
    height: 318px;
    margin-right: 30px;
    margin-bottom: 20px;
    overflow: hidden;
    background-color: #f5f5f5;
    flex-shrink: 0;
}

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

.product-detail-content {
    text-align: justify;
    line-height: 1.8;
    word-break: break-all;
    overflow-wrap: break-word;
}

.product-detail-content p {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
    margin: 0 0 20px 0;
    text-align: justify;
    word-break: break-all;
    overflow-wrap: break-word;
}

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

.product-detail-container::after {
    content: "";
    display: table;
    clear: both;
}

.product-detail-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 1.4px;
    margin: 0 0 20px 0;
    word-break: break-all;
    overflow-wrap: break-word;
}

/* 产品详情导航 */
.product-detail-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    gap: 20px;
}

.product-nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-nav-prev {
    justify-content: flex-start;
}

.product-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.product-nav-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.product-nav-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.8px;
    text-decoration: none;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    /* flex: 1; */
}

.product-nav-title:hover {
    color: #218acc;
}

.product-nav-item:only-child {
    justify-content: center;
}


/* 新闻详情页面 */
.news-detail-section {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.news-detail-header-image {
    width: 100%;
    height: 400px;
    margin-bottom: 30px;
    overflow: hidden;
    border-radius: 8px;
    background-color: #f5f5f5;
}

.news-detail-header-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail-header {
    margin-bottom: 30px;
    padding: 20px 30px;
    border-bottom: 1px solid #E4E4E4;
}

.news-detail-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 1.4px;
    margin: 0 0 20px 0;
}

.news-detail-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #999999;
}

.news-detail-date .date-icon {
    width: 16px;
    height: 16px;
    font-size: 16px;
}

.news-detail-date .date-text {
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
}

.news-detail-content {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
    padding: 20px 30px;

}

.news-detail-content p {
    margin: 0 0 20px 0;
    text-align: justify;
}

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

/* 新闻详情导航 */
.news-detail-navigation {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.news-detail-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 40px 30px 0 30px;
    border-top: 1px solid #e0e0e0;
}

.news-nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-nav-prev {
    justify-content: flex-start;
}

.news-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.news-nav-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-nav-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.8px;
    text-decoration: none;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-nav-title:hover {
    color: #218acc;
}

.news-nav-item:only-child {
    justify-content: center;
}

/* 技术文章详情页面 */
.technical-detail-section {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.technical-detail-header {
    margin-bottom: 30px;
    padding: 20px 30px;
    border-bottom: 1px solid #E4E4E4;
}

.technical-detail-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 1.4px;
    margin: 0;
}

.technical-detail-content {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
    padding: 20px 30px;
}

.technical-detail-content p {
    margin: 0 0 20px 0;
    text-align: justify;
}

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

/* 技术文章详情页导航 */
.technical-detail-navigation {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.technical-detail-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 40px 30px 0 30px;
    border-top: 1px solid #e0e0e0;
}

.technical-nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.technical-nav-prev {
    justify-content: flex-start;
}

.technical-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.technical-nav-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.technical-nav-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.8px;
    text-decoration: none;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.technical-nav-title:hover {
    color: #218acc;
}

.technical-nav-item:only-child {
    justify-content: center;
}

/* 技术文章列表页面 */
.technical-list-section {
    padding: 0px 0 60px;
    background-color: #FAFAFA;
}

.technical-list-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.technical-list-column {
    display: flex;
    flex-direction: column;
    gap: 0;
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.technical-list-item {
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
    min-height: calc(1.6em * 2 + 40px);
}

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

.technical-list-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.technical-list-link {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    color: #1d2129;
    letter-spacing: 0.9px;
    text-decoration: none;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
    min-height: calc(1.6em * 2);
    flex: 1;
}

.technical-list-link:hover {
    color: #218acc;
}

.technical-list-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999999;
    align-self: flex-end;
    margin-top: auto;
}

.technical-list-date .date-icon {
    width: 16px;
    height: 16px;
}

.technical-list-date .date-text {
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
}

/* 视频详情页面 */
.video-detail-section {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.video-detail-header {
    margin-bottom: 30px;
    padding: 20px 30px;
    border-bottom: 1px solid #E4E4E4;
}

.video-detail-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 1.4px;
    margin: 0 0 20px 0;
}

.video-detail-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #999999;
}

.video-detail-date .date-icon {
    width: 16px;
    height: 16px;
}

.video-detail-date .date-text {
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
}

.video-detail-image {
    width: 100%;
    margin: 30px 0;
    overflow: hidden;
    border-radius: 8px;
    background-color: #f5f5f5;
}

.video-detail-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.video-detail-content {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
    padding: 20px 30px;
}

.video-detail-content p {
    margin: 0 0 20px 0;
    text-align: justify;
}

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

/* 视频详情页导航 */
.video-detail-navigation {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.video-detail-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 40px 30px 0 30px;
    border-top: 1px solid #e0e0e0;
}

.video-nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-nav-prev {
    justify-content: flex-start;
}

.video-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.video-nav-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.video-nav-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.8px;
    text-decoration: none;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-nav-title:hover {
    color: #218acc;
}

.video-nav-item:only-child {
    justify-content: center;
}

/* 案例详情页面 */
.case-detail-section {
    padding: 40px 0 60px;
    background-color: #FAFAFA;
}

.case-detail-container {
    max-width: 100%;
    overflow: hidden;
    text-align: justify;
    word-break: break-all;
    overflow-wrap: break-word;
}

.case-detail-image {
    float: left;
    width: 460px;
    height: 318px;
    margin-right: 30px;
    margin-bottom: 20px;
    overflow: hidden;
    background-color: #f5f5f5;
    flex-shrink: 0;
}

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

.case-detail-content {
    text-align: justify;
    line-height: 1.8;
    word-break: break-all;
    overflow-wrap: break-word;
}

.case-detail-content p {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
    margin: 0 0 20px 0;
    text-align: justify;
    word-break: break-all;
    overflow-wrap: break-word;
}

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

.case-detail-container::after {
    content: "";
    display: table;
    clear: both;
}

.case-detail-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 1.4px;
    margin: 0 0 20px 0;
    word-break: break-all;
    overflow-wrap: break-word;
}

/* 案例详情页导航 */
.case-detail-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    gap: 20px;
}

.case-nav-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-nav-prev {
    justify-content: flex-start;
}

.case-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.case-nav-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.case-nav-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.8px;
    text-decoration: none;
    transition: color 0.3s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.case-nav-title:hover {
    color: #218acc;
}

.case-nav-item:only-child {
    justify-content: center;
}

/* 关于我们页面 */
.about-page-section {
    padding: 0px 0 60px;
    background-color: #FAFAFA;
}

.about-page-image {
    width: 100%;
    height: 400px;
    /* margin-bottom: 40px; */
    overflow: hidden;
    border-radius: 8px;
    background-color: #f5f5f5;
}

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

.about-page-content {
    margin-bottom: 60px;
    background: #ffffff;
    padding: 40px;
    box-sizing: border-box;
}

.about-page-title {
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    letter-spacing: 1.5px;
    margin-bottom: 18px;
}

.about-page-text {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.8;
    letter-spacing: 0.8px;
}

.about-page-text p {
    margin: 0 0 0px 0;
    text-align: justify;
}

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

/* 品牌实力部分 */
.about-strength-section {
    /* margin-top: 60px; */
    padding: 40px 0;
}

.about-strength-title {
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    text-align: center;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.about-strength-subtitle {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 50px;
}

.about-strength-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.strength-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 8px;
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08); */
    transition: all 0.3s ease;
}

.strength-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.strength-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    line-height: 1;
}

.strength-number {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #121212;
    letter-spacing: 1.6px;
    margin-bottom: 10px;
}

.strength-number span {
    font-size: 32px;
}

.strength-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    letter-spacing: 0.8px;
}

/* 官方案例部分 */
.official-cases-section {
    /* margin-top: 60px; */
    padding: 40px 0;
}

.official-cases-title {
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    text-align: center;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.official-cases-subtitle {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 50px;
}

.official-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.official-case-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding:0 0 20px;
    transition: all 0.3s ease;
}

.official-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.official-case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    /* background-color: #f5f5f5; */
    /* border: 2px dashed #e0e0e0; */
    /* border-radius: 4px; */
    /* padding: 10px; */
    box-sizing: border-box;
    margin-bottom: 20px;
}

.official-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.official-case-title {
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    margin: 0 0 12px 0;
    padding: 0 20px;
    letter-spacing: 0.9px;
    line-height: 1.4;
    min-height: 26px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.official-case-description {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.6;
    letter-spacing: 0.7px;
    margin: 0;
    padding: 0 20px;
    flex: 1;
    min-height: 45px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 应用案例列表页面 */
.cases-list-section {
    padding: 0px 0 60px;
    background-color: #FAFAFA;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.case-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    transition: transform 0.3s ease;
}

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

.case-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: 0.9px;
    min-height: 26px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.case-subtitle {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999;
    margin-bottom: 12px;
    letter-spacing: 0.7px;
    line-height: 1.4;
    min-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.case-description {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.6;
    letter-spacing: 0.7px;
    margin: 0;
    flex: 1;
    min-height: 45px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}

/* 学术视频列表页面 */
.videos-list-section {
    padding: 0px 0 60px;
    background-color: #FAFAFA;
}

.videos-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.video-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    gap: 20px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.video-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.video-thumbnail {
    width: 195px;
    height: 132px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background-color: #f5f5f5;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.video-play-button svg {
    width: 100%;
    height: 100%;
}

.video-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    overflow: hidden;
}

.video-title {
    width: 100%;
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 0.9px;
    margin: 0 0 12px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.video-description {
    width: 100%;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.6;
    letter-spacing: 0.7px;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    max-width: 100%;
    word-break: break-word;
    max-height: calc(1.6em * 2);
}

.video-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999999;
}

.video-date .date-icon {
    width: 16px;
    height: 16px;
    font-size: 16px;
}

.video-date .date-text {
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
}

/* 新闻列表页面 */
.news-list-section {
    padding: 0px 0 60px;
    background-color: #fafafa;
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.news-list-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    gap: 20px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.news-list-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.news-list-image {
    width: 195px;
    height: 132px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 4px;
    background-color: #f5f5f5;
}

.news-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-list-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    overflow: hidden;
}

.news-list-title {
    width: 100%;
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 0.9px;
    margin: 0 0 12px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.news-list-description {
    width: 100%;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.6;
    letter-spacing: 0.7px;
    margin: 0 0 12px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    max-width: 100%;
    word-break: break-word;
    max-height: calc(1.6em * 2);
}

.news-list-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999999;
}

.date-icon {
    width: 20px;
    height: 20px;
}

.date-text {
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
}

/* 分页组件 */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 40px;
    padding: 20px 0;
    flex-wrap: wrap;
    gap: 10px;
}

.pagination-info {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    margin-right: 20px;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    background-color: #fff;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pagination-btn:hover {
    color: #333333;
    background-color: #f5f5f5;
}

.pagination-icon {
    font-size: 16px;
    line-height: 1;
}

.pagination-icon-only {
    min-width: 32px;
    padding: 6px 8px;
    justify-content: center;
    font-size: 16px;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pagination-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    background-color: #fff;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination-number:hover {
    color: #333333;
    background-color: #f5f5f5;
}

.pagination-number.active {
    color: #333333;
    background-color: #f0f0f0;
}

.pagination-ellipsis {
    font-size: 14px;
    color: #999999;
    padding: 0 4px;
    line-height: 32px;
}

.pagination-jump {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 8px;
}

.pagination-jump-text {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
}

.pagination-jump-input {
    width: 40px;
    height: 32px;
    padding: 0 6px;
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    text-align: center;
    border: none;
    border-radius: 4px;
    outline: none;
    background-color: #fff;
    transition: all 0.3s ease;
}

.pagination-jump-input:focus {
    background-color: #fafafa;
}

/* 产品页面 */
.products-page {
    padding: 0px 0 60px;
    background-color: #fff;
}

/* 最新产品 */
.products {
    padding: 60px 0;
    background-color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    /* margin-top: 40px; */
}

.product-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    transition: transform 0.3s ease;
}

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

.product-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.product-title {
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: 0.9px;
    min-height: 25px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.product-subtitle {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999;
    margin-bottom: 12px;
    letter-spacing: 0.7px;
    min-height: 20px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.product-description {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #4e5969;
    line-height: 1.6;
    letter-spacing: 0.7px;
    margin: 0;
    min-height: 45px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

/* 专注品质,用心服务 */
.quality-service {
    background-image: url('../images/bg2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
    position: relative;
    /* background-color: #218ACC; */

}

.quality-service::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background-color: rgba(33, 138, 204, 0.7); */
    z-index: 1;
}

.quality-service .container {
    position: relative;
    z-index: 2;
}

.quality-header {
    margin-bottom: 50px;
}

.quality-title {
    color: #fff;
    font-size: 30px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    text-align: center;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.quality-subtitle {
    color: #fff;
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: center;
    letter-spacing: 1px;
}

.quality-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: stretch;
}

.quality-left {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 0;
}

.quality-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.quality-card:hover {
    background-color: transparent;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quality-card:hover .quality-card-title {
    color: #fff;
}

.quality-card:hover .quality-card-subtitle {
    color: #fff;
}

.quality-card-image {
    width: 141px;
    height: 70px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.quality-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quality-card-content {
    flex: 1;
}

.quality-card-title {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 5px;
    letter-spacing: 0.8px;
}

.quality-card-subtitle {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #666;
    letter-spacing: 0.7px;
    margin: 0;
}

.quality-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-sizing: border-box;
    align-items: start;
    min-width: 0;
    height: 100%;
    align-content: start;
}

.quality-list-column {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    height: 100%;
    justify-content: flex-start;
}

.quality-list-item {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #1d2129;
    line-height: 1.5;
    letter-spacing: 0.8px;
    padding: 24px 0;
    margin: 0;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
    border-bottom: 1px solid #F4F4F4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.quality-list-item:first-child {
    padding-top: 0;
}

.quality-list-item:hover {
    color: #218ACC;
    padding-left: 0;
}

/* 合作伙伴 */
.partners {
    background-color: #fff;
    padding: 60px 0;
}

.partners-container {
    margin-top: 40px;
    overflow: hidden;
    position: relative;
}

.partners-scroll-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.partners-scroll-content {
    display: flex;
    align-items: center;
    gap: 10px;
    width: max-content;
    transition: transform 0.5s ease;
}

.partners-scroll-content .partner-item {
    flex-shrink: 0;
}

.partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 335px;
    height: 117px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.partner-item:hover {
    opacity: 0.8;
}

.partner-logo {
    width: 335px;
    height: 117px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-name {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 5px;
}

.partner-name-part1 {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 1px;
}

.partner-name-part2 {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #218acc;
    letter-spacing: 1px;
}

.partner-name-full {
    font-size: 20px;
    font-family: PingFang SC, PingFang SC-Bold;
    font-weight: 700;
    color: #218acc;
    letter-spacing: 1px;
}

.partner-tagline {
    font-size: 12px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #999999;
    letter-spacing: 0.6px;
}

.partner-name-chinese {
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.9px;
}

.partner-name-english {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    letter-spacing: 0.7px;
}

/* 在线留言页面 */
body.contact-page {
    overflow: hidden;
}

.contact-form-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.contact-form-modal {
    max-width: 1000px;
    width: 100%;
    background-color: #fff;
    border-radius: 12px;
    padding: 50px 60px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.contact-form-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background-color: transparent;
    border: none;
    font-size: 28px;
    color: #999999;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.contact-form-close:hover {
    color: #333333;
    background-color: #f5f5f5;
}

.contact-form-title {
    font-size: 28px;
    font-family: PingFang SC, PingFang SC-Semibold;
    font-weight: 600;
    color: #1d2129;
    text-align: center;
    letter-spacing: 1px;
    margin-bottom: 40px;
    margin-top: 0;
}

.contact-form {
    width: 100%;
}

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 24px;
}

.contact-form-group {
    display: flex;
    flex-direction: column;
}

.contact-form-label {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.contact-form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    color: #333333;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background-color: #fff;
}

.contact-form-input:focus {
    border-color: #218acc;
    box-shadow: 0 0 0 3px rgba(33, 138, 204, 0.1);
}

.contact-form-input::placeholder {
    color: #999999;
}

.contact-form-submit {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.contact-submit-btn {
    width: 280px;
    height: 50px;
    background-color: #218acc;
    color: #fff;
    border: none;
    border-radius: 2px;
    font-size: 18px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 50px;
    text-align: center;
}

.contact-submit-btn:hover {
    background-color: #1a6fa0;
    box-shadow: 0 4px 12px rgba(33, 138, 204, 0.3);
}

.contact-submit-btn:active {
    transform: scale(0.98);
}

/* 联系我们 */
.contact {
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item .icon {
    font-size: 30px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #333;
}

.contact-item p {
    font-size: 16px;
    color: #666;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background-color: #333333;
    color: #cccccc;
    padding: 30px 0;
    text-align: center;
}

.footer-nav {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.footer-nav a {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #eeeeee;
    letter-spacing: 0.8px;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #fff;
}

.footer-nav .divider {
    margin: 0 8px;
    color: #cccccc;
}

.footer-copyright {
    margin-bottom: 15px;
}

.footer-copyright p {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #eeeeee;
    letter-spacing: 0.8px;
    margin: 0;
}

.footer-contact {
    margin-bottom: 15px;
}

.footer-contact p {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #eeeeee;
    letter-spacing: 0.8px;
    margin: 5px 0;
}

.footer-icp {
    margin-top: 15px;
}

.footer-icp p {
    font-size: 14px;
    font-family: PingFang SC, PingFang SC-Medium;
    font-weight: 500;
    text-align: center;
    color: #eeeeee;
    letter-spacing: 0.8px;
    margin: 0;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #0056b3;
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .top-bar {
        font-size: 11px;
        padding: 8px 0;
    }

    .top-bar .container {
        padding: 0 15px;
        flex-wrap: wrap;
    }

    .top-bar-left {
        font-size: 10px;
        flex: 1 1 auto;
        min-width: 0;
    }

    .top-bar-left span {
        display: block;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .top-bar-right {
        flex: 0 0 auto;
    }

    .phone-icon {
        width: 16px;
        height: 16px;
    }

    .phone-icon img {
        width: 100%;
        height: 100%;
    }

    .phone-number {
        font-size: 11px;
    }

    .navbar {
        height: 70px;
    }

    .navbar .container {
        padding: 0 15px;
        justify-content: space-between;
    }

    .navbar-brand {
        flex: 0 0 auto;
        order: 1;
    }

    .logo {
        width: 120px;
        height: 36px;
        margin-right: 0;
    }

    .navbar-menu {
        order: 3;
    }

    .navbar-menu {
        position: fixed;
        top: 120px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 120px);
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        align-items: flex-start;
        z-index: 999;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .navbar-menu.active {
        left: 0;
    }

    /* 导航菜单滚动条样式 */
    .navbar-menu::-webkit-scrollbar {
        width: 4px;
    }

    .navbar-menu::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.05);
        border-radius: 2px;
    }

    .navbar-menu::-webkit-scrollbar-thumb {
        background: rgba(33, 138, 204, 0.3);
        border-radius: 2px;
    }

    .navbar-menu::-webkit-scrollbar-thumb:hover {
        background: rgba(33, 138, 204, 0.5);
    }

    .navbar-menu li {
        width: 100%;
        height: auto;
    }

    .navbar-menu li a {
        display: block;
        width: 100%;
        padding: 12px 15px;
        height: auto;
        font-size: 16px;
    }

    .navbar-menu li.active {
        background-color: #218acc;
    }

    .navbar-menu li.active a {
        color: #fff;
    }

    /* 移动端完全禁用PC端的hover效果 */
    .navbar-menu li.has-dropdown:hover .dropdown-menu,
    .navbar-menu li.has-dropdown .dropdown-menu:hover {
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        display: block !important;
    }

    /* 移动端禁用所有hover效果，只允许通过dropdown-open类控制 */
    .navbar-menu li.has-dropdown:hover {
        background-color: transparent !important;
    }

    .navbar-menu li.has-dropdown:hover > a {
        color: #333 !important;
        background-color: transparent !important;
        padding: 12px 15px !important;
    }

    /* 确保只有dropdown-open类才能显示下拉菜单 */
    .navbar-menu li.has-dropdown:not(.dropdown-open) .dropdown-menu {
        max-height: 0 !important;
        padding: 0 !important;
        margin-top: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        overflow: hidden !important;
    }

    .navbar-menu li.has-dropdown {
        position: relative;
    }

    .navbar-menu li.has-dropdown .dropdown-trigger {
        position: relative;
        padding-right: 35px;
    }

    .navbar-menu li.has-dropdown .dropdown-trigger::after {
        content: '▼';
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 10px;
        transition: transform 0.3s ease;
        color: #333;
    }

    .navbar-menu li.has-dropdown.dropdown-open .dropdown-trigger::after {
        transform: translateY(-50%) rotate(180deg);
        color: #218acc;
    }

    .navbar-menu li.has-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        min-width: auto;
        width: 100%;
        margin-top: 0;
        margin-left: 0;
        background-color: rgba(0, 0, 0, 0.03);
        border-radius: 4px;
        max-height: 0 !important;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease, margin-top 0.3s ease;
        display: block;
        pointer-events: none;
    }

    .navbar-menu li.has-dropdown.dropdown-open .dropdown-menu {
        max-height: 300px !important;
        padding: 8px 0;
        margin-top: 8px;
        overflow-y: auto;
        overflow-x: hidden;
        pointer-events: auto;
    }

    /* 确保关闭时重置高度，完全禁用hover影响 */
    .navbar-menu li.has-dropdown:not(.dropdown-open) .dropdown-menu {
        max-height: 0 !important;
        padding: 0 !important;
        margin-top: 0 !important;
        pointer-events: none !important;
    }

    /* 移动端下拉菜单项可点击 */
    .navbar-menu li.has-dropdown.dropdown-open .dropdown-item {
        pointer-events: auto;
    }

    /* 下拉菜单滚动条样式 */
    .navbar-menu li.has-dropdown.dropdown-open .dropdown-menu::-webkit-scrollbar {
        width: 4px;
    }

    .navbar-menu li.has-dropdown.dropdown-open .dropdown-menu::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.05);
        border-radius: 2px;
    }

    .navbar-menu li.has-dropdown.dropdown-open .dropdown-menu::-webkit-scrollbar-thumb {
        background: rgba(33, 138, 204, 0.3);
        border-radius: 2px;
    }

    .navbar-menu li.has-dropdown.dropdown-open .dropdown-menu::-webkit-scrollbar-thumb:hover {
        background: rgba(33, 138, 204, 0.5);
    }

    .navbar-menu li.has-dropdown .dropdown-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .navbar-menu li.has-dropdown .dropdown-item {
        padding: 12px 20px;
        text-align: left;
        background-color: transparent;
        color: #333;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
        display: block;
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        box-sizing: border-box;
    }

    .navbar-menu li.has-dropdown .dropdown-item:last-child {
        border-bottom: none;
    }

    .navbar-menu li.has-dropdown .dropdown-item:active {
        background-color: rgba(33, 138, 204, 0.15);
        color: #218acc;
    }

    .navbar-toggle {
        display: flex;
        order: 2;
    }

    .banner {
        height: 250px;
        margin-top: 120px;
    }

    .banner-item img {
        width: 100%;
        height: 100%;
        object-fit: fill;
    }

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

    .banner-desc {
        font-size: 16px;
    }

    .section {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .section-subtitle {
        font-size: 14px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-text {
        order: 2;
        font-size: 14px;
    }

    .about-image {
        order: 1;
    }

    .about-image img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    .company-name {
        font-size: 22px;
        margin-bottom: 15px;
    }

    .about-text p {
        margin-bottom: 5px;
        font-size: 18px;
        font-family: PingFang SC, PingFang SC-Regular;
        font-weight: 400;
        color: #4e5969;
        letter-spacing: 0.9px;
        line-height: 1.8;
        min-height: 162px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 8;
        line-clamp: 8;
        -webkit-box-orient: vertical;
        text-overflow: ellipsis;
    }

    .btn-view-more {
        padding: 8px 20px;
        font-size: 14px;
        margin-top: 15px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .breadcrumb {
        padding: 15px 0;
    }

    .breadcrumb-item {
        font-size: 13px;
    }

    .breadcrumb-separator {
        font-size: 13px;
    }

    .page-header {
        margin-top: 120px;
        padding: 30px 0;
    }

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

    .page-subtitle {
        font-size: 18px;
    }

    .product-filter {
        gap: 10px;
        padding: 15px 0;
    }

    .filter-item {
        padding: 8px 18px;
        font-size: 14px;
    }

    .product-detail-section {
        padding: 30px 0 50px;
    }

    .product-detail-container {
        display: block;
    }

    .product-detail-image {
        float: none;
        width: 100%;
        height: auto;
        max-height: 400px;
        margin-right: 0;
        margin-bottom: 20px;
    }

    .product-detail-image img {
        width: 100%;
        height: auto;
        max-height: 400px;
        object-fit: contain;
    }

    .product-detail-content {
        overflow: visible;
    }

    .product-detail-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .product-detail-text {
        gap: 15px;
    }

    .product-detail-text p {
        font-size: 15px;
    }

    .product-detail-navigation {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
        padding-top: 20px;
    }

    .product-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .product-nav-label {
        font-size: 14px;
    }

    .product-nav-title {
        font-size: 14px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .news-detail-section {
        padding: 30px 0 50px;
    }

    .news-detail-header-image {
        height: 250px;
        margin-bottom: 20px;
    }

    .news-detail-title {
        font-size: 22px;
    }

    .news-detail-content {
        font-size: 15px;
    }

    .news-detail-navigation {
        padding: 30px 0 50px;
    }

    .news-detail-navigation .container {
        flex-direction: column;
        gap: 15px;
        padding: 30px 30px 0 30px;
    }

    .news-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .news-nav-label {
        font-size: 14px;
    }

    .news-nav-title {
        font-size: 14px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .technical-detail-section {
        padding: 30px 0 50px;
    }

    .technical-detail-header {
        padding: 15px 20px;
    }

    .technical-detail-title {
        font-size: 22px;
    }

    .technical-detail-content {
        padding: 15px 20px;
        font-size: 15px;
    }

    .technical-detail-navigation {
        padding: 30px 0 50px;
    }

    .technical-detail-navigation .container {
        flex-direction: column;
        gap: 15px;
        padding: 30px 20px 0 20px;
    }

    .technical-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .technical-nav-label {
        font-size: 14px;
    }

    .technical-nav-title {
        font-size: 14px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .technical-list-section {
        padding: 0px 0 50px;
    }

    .technical-list-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .technical-list-column {
        padding: 20px;
    }

    .technical-list-item {
        padding: 15px 0;
        min-height: calc(1.5em * 2 + 30px);
    }

    .technical-list-link {
        font-size: 15px;
        min-height: calc(1.5em * 2);
    }

    .technical-list-date {
        font-size: 11px;
    }

    .technical-list-date .date-icon {
        width: 14px;
        height: 14px;
    }

    .cases-list-section {
        padding: 0px 0 50px;
    }

    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .case-image {
        height: 180px;
    }

    .case-content {
        padding: 15px;
    }

    .case-title {
        font-size: 16px;
        min-height: 23px;
    }

    .case-subtitle {
        min-height: 20px;
    }

    .case-description {
        min-height: 45px;
    }

    .contact-form-overlay {
        padding: 15px;
    }

    .contact-form-modal {
        padding: 40px 30px;
        border-radius: 10px;
    }

    .contact-form-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .contact-form-row {
        gap: 20px;
        margin-bottom: 20px;
    }

    .contact-form-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }

    .contact-form-input {
        height: 44px;
        font-size: 15px;
    }

    .contact-submit-btn {
        width: 100%;
        height: 44px;
        font-size: 16px;
    }

    .about-page-section {
        padding: 0px 0 50px;
    }

    .about-page-image {
        height: 250px;
        margin-bottom: 30px;
    }

    .about-page-title {
        font-size: 24px;
    }

    .about-page-text {
        font-size: 15px;
    }

    .about-strength-section {
        /* margin-top: 40px; */
        padding: 30px 0;
    }

    .about-strength-title {
        font-size: 24px;
    }

    .about-strength-subtitle {
        font-size: 20px;
        font-family: PingFang SC, PingFang SC-Regular;
        font-weight: 400;
        text-align: center;
        color: #4e5969;
        letter-spacing: 1px;
        margin-bottom: 30px;
    }

    .about-strength-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .official-cases-section {
        /* margin-top: 40px; */
        padding: 30px 0;
    }

    .official-cases-title {
        font-size: 24px;
    }

    .official-cases-subtitle {
        font-size: 18px;
        margin-bottom: 30px;
    }

    .official-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .official-case-image {
        height: 180px;
    }

    .official-case-title {
        font-size: 16px;
        min-height: 23px;
    }

    .official-case-description {
        font-size: 13px;
        min-height: 42px;
    }

    .strength-item {
        padding: 20px 15px;
    }

    .strength-icon {
        width: 36px;
        height: 36px;
        margin-bottom: 15px;
    }

    .strength-number {
        font-size: 16px;
    }
    .strength-number span {
        font-size: 38px;
    }

    .strength-label {
        font-size: 14px;
    }

    .case-detail-section {
        padding: 30px 0 50px;
    }

    .case-detail-container {
        display: block;
    }

    .case-detail-image {
        float: none;
        width: 100%;
        height: auto;
        max-height: 400px;
        margin-right: 0;
        margin-bottom: 20px;
    }

    .case-detail-image img {
        width: 100%;
        height: auto;
        max-height: 400px;
        object-fit: contain;
    }

    .case-detail-content {
        overflow: visible;
    }

    .case-detail-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .case-detail-content p {
        font-size: 15px;
    }

    .case-detail-navigation {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
        padding-top: 20px;
    }

    .case-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .case-nav-label {
        font-size: 14px;
    }

    .case-nav-title {
        font-size: 14px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .videos-list-section {
        padding: 0px 0 50px;
    }

    .videos-list-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .video-detail-section {
        padding: 30px 0 50px;
    }

    .video-detail-header {
        padding: 15px 20px;
    }

    .video-detail-title {
        font-size: 22px;
    }

    .video-detail-content {
        padding: 15px 20px;
        font-size: 15px;
    }

    .video-detail-navigation {
        padding: 30px 0 50px;
    }

    .video-detail-navigation .container {
        flex-direction: column;
        gap: 15px;
        padding: 30px 20px 0 20px;
    }

    .video-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .video-nav-label {
        font-size: 14px;
    }

    .video-nav-title {
        font-size: 14px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .video-detail-image {
        margin: 20px 0;
    }

    .video-item {
        flex-direction: column;
        padding: 15px;
    }

    .video-thumbnail {
        width: 100%;
        height: 200px;
    }

    .video-title {
        font-size: 16px;
    }

    .video-description {
        font-size: 13px;
    }

    .news-list-section {
        padding: 0px 0 50px;
    }

    .news-list-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .news-list-item {
        flex-direction: column;
        padding: 15px;
    }

    .news-list-image {
        width: 100%;
        height: 200px;
    }

    .news-list-title {
        font-size: 16px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-height: 24px;
    }

    .news-list-description {
        font-size: 13px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        min-height: calc(1.6em * 2);
    }

    .pagination {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }

    .pagination-controls {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-numbers {
        flex-wrap: wrap;
    }

    .products-page {
        padding: 30px 0 50px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-image {
        height: 150px;
    }

    .product-content {
        padding: 12px;
    }

    .product-title {
        font-size: 14px;
        margin-bottom: 6px;
        min-height: 20px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

    .product-subtitle {
        font-size: 12px;
        margin-bottom: 8px;
        min-height: 17px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

    .product-description {
        font-size: 12px;
        min-height: 36px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-contact p {
        font-size: 12px;
    }

    .news-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .news-left {
        padding: 20px;
    }

    .news-image {
        aspect-ratio: 16 / 9;
    }

    .news-image img {
        height: 100%;
    }

    .news-item {
        flex-direction: row;
        gap: 12px;
        padding: 15px 0;
    }

    .news-date {
        width: 60px;
        flex-direction: column;
        align-items: flex-start;
        flex-shrink: 0;
    }

    .date-day {
        font-size: 18px;
    }

    .date-year {
        font-size: 11px;
    }

    .news-title {
        font-size: 14px;
        margin-bottom: 8px;
        min-height: 42px;
        line-height: 1.5;
    }

    .news-excerpt {
        font-size: 12px;
        min-height: 36px;
        line-height: 1.5;
    }

    .news-item-highlight,
    .news-item-white {
        padding: 15px 20px;
    }

    .technical {
        padding: 60px 0;
    }

    .technical-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .technical-left,
    .technical-right {
        padding: 20px;
    }

    .technical-item-highlight {
        margin: 0;
    }

    .quality-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .quality-right {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .quality-card {
        padding: 12px;
    }

    .quality-card-image {
        width: 70px;
        height: 70px;
    }

    .quality-card-title {
        font-size: 15px;
    }

    .quality-card-subtitle {
        font-size: 13px;
    }

    .quality-list-item {
        font-size: 15px;
    }

    .partners-container {
        overflow: visible;
    }

    .partners-scroll-wrapper {
        overflow: hidden;
        position: relative;
    }

    .partners-scroll-content {
        gap: 15px;
    }

    .partner-item {
        width: calc(50% - 7.5px);
        min-width: 200px;
        max-width: 335px;
        height: auto;
        flex-shrink: 0;
    }

    .partner-logo {
        width: 100%;
        height: auto;
        max-height: 117px;
    }

    .partner-logo img {
        width: 100%;
        height: auto;
        max-height: 117px;
        object-fit: contain;
    }

    .partner-name-part1,
    .partner-name-part2,
    .partner-name-full {
        font-size: 18px;
    }

    .partner-name-chinese {
        font-size: 16px;
    }

    .partner-name-english {
        font-size: 12px;
    }

    .partner-tagline {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .top-bar .container {
        padding: 0 12px;
    }

    .navbar .container {
        padding: 0 12px;
    }

    .top-bar {
        font-size: 10px;
        padding: 6px 0;
    }

    .top-bar-left {
        font-size: 9px;
    }

    .phone-icon {
        width: 14px;
        height: 14px;
    }

    .phone-number {
        font-size: 10px;
    }

    .navbar {
        height: 60px;
    }

    .navbar .container {
        padding: 0 12px;
    }

    .logo {
        width: 100px;
        height: 30px;
    }

    .navbar-toggle span {
        width: 5px;
        height: 5px;
    }

    .banner {
        height: 200px;
        margin-top: 100px;
    }

    .banner-item img {
        width: 100%;
        height: 100%;
        object-fit: fill;
    }

    .banner-title {
        font-size: 20px;
    }

    .banner-desc {
        font-size: 12px;
    }

    .section {
        padding: 30px 0;
    }

    .section-header {
        margin-bottom: 20px;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .section-subtitle {
        font-size: 12px;
    }

    .about-content {
        gap: 20px;
    }

    .company-name {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .about-text p {
        margin-bottom: 5px;
        font-size: 18px;
        font-family: PingFang SC, PingFang SC-Regular;
        font-weight: 400;
        color: #4e5969;
        letter-spacing: 0.9px;
        line-height: 1.8;
        min-height: 162px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 8;
        line-clamp: 8;
        -webkit-box-orient: vertical;
        text-overflow: ellipsis;
    }

    .btn-view-more {
        padding: 6px 16px;
        font-size: 13px;
        margin-top: 12px;
    }

    .page-header {
        margin-top: 120px;
        padding: 20px 0;
    }

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

    .page-subtitle {
        font-size: 16px;
    }

    .product-filter {
        gap: 8px;
        padding: 10px 0;
    }

    .filter-item {
        padding: 6px 15px;
        font-size: 13px;
    }

    .product-detail-section {
        padding: 20px 0 40px;
    }

    .product-detail-container {
        display: block;
    }

    .product-detail-image {
        float: none;
        width: 100%;
        height: auto;
        max-height: 300px;
        margin-right: 0;
        margin-bottom: 15px;
    }

    .product-detail-image img {
        width: 100%;
        height: auto;
        max-height: 300px;
        object-fit: contain;
    }

    .product-detail-content {
        overflow: visible;
    }

    .product-detail-title {
        font-size: 20px;
        margin-bottom: 15px;
    }

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

    .product-detail-navigation {
        flex-direction: column;
        gap: 12px;
        margin-top: 25px;
        padding-top: 15px;
    }

    .product-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .product-nav-label {
        font-size: 13px;
    }

    .product-nav-title {
        font-size: 13px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .news-detail-section {
        padding: 20px 0 40px;
    }

    .news-detail-header-image {
        height: 200px;
        margin-bottom: 15px;
    }

    .news-detail-title {
        font-size: 20px;
    }

    .news-detail-content {
        font-size: 14px;
    }

    .news-detail-content p {
        margin-bottom: 15px;
    }

    .news-detail-navigation {
        padding: 20px 0 40px;
    }

    .news-detail-navigation .container {
        flex-direction: column;
        gap: 12px;
        padding: 20px 30px 0 30px;
    }

    .news-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .news-nav-label {
        font-size: 13px;
    }

    .news-nav-title {
        font-size: 13px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .technical-detail-section {
        padding: 20px 0 40px;
    }

    .technical-detail-header {
        padding: 12px 15px;
    }

    .technical-detail-title {
        font-size: 20px;
    }

    .technical-detail-content {
        padding: 12px 15px;
        font-size: 14px;
    }

    .technical-detail-content p {
        margin-bottom: 15px;
    }

    .technical-detail-navigation {
        padding: 20px 0 40px;
    }

    .technical-detail-navigation .container {
        flex-direction: column;
        gap: 12px;
        padding: 20px 15px 0 15px;
    }

    .technical-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .technical-nav-label {
        font-size: 13px;
    }

    .technical-nav-title {
        font-size: 13px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .technical-list-section {
        padding: 0px 0 40px;
    }

    .technical-list-container {
        gap: 15px;
    }

    .technical-list-column {
        padding: 15px;
    }

    .technical-list-item {
        padding: 12px 0;
        min-height: calc(1.5em * 2 + 24px);
    }

    .technical-list-link {
        font-size: 14px;
        min-height: calc(1.5em * 2);
    }

    .technical-list-date {
        font-size: 10px;
    }

    .technical-list-date .date-icon {
        width: 12px;
        height: 12px;
    }

    .videos-list-section {
        padding: 0px 0 40px;
    }

    .video-detail-section {
        padding: 20px 0 40px;
    }

    .video-detail-header {
        padding: 12px 15px;
    }

    .video-detail-title {
        font-size: 20px;
    }

    .video-detail-content {
        padding: 12px 15px;
        font-size: 14px;
    }

    .video-detail-content p {
        margin-bottom: 15px;
    }

    .video-detail-navigation {
        padding: 20px 0 40px;
    }

    .video-detail-navigation .container {
        flex-direction: column;
        gap: 12px;
        padding: 20px 15px 0 15px;
    }

    .video-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .video-nav-label {
        font-size: 13px;
    }

    .video-nav-title {
        font-size: 13px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .video-detail-image {
        margin: 15px 0;
    }

    .cases-list-section {
        padding: 0px 0 40px;
    }

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

    .case-image {
        height: 160px;
    }

    .case-title {
        font-size: 15px;
        min-height: 22px;
    }

    .case-subtitle {
        font-size: 12px;
        min-height: 17px;
    }

    .case-description {
        font-size: 13px;
        min-height: 42px;
    }

    .contact-form-overlay {
        padding: 10px;
    }

    .contact-form-modal {
        padding: 30px 20px;
        border-radius: 8px;
    }

    .contact-form-title {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 15px;
    }

    .contact-form-label {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .contact-form-input {
        height: 44px;
        font-size: 15px;
        padding: 0 12px;
    }

    .contact-form-submit {
        margin-top: 30px;
    }

    .contact-submit-btn {
        width: 100%;
        height: 44px;
        font-size: 16px;
    }

    .contact-form-close {
        top: 15px;
        right: 15px;
        width: 28px;
        height: 28px;
        font-size: 24px;
    }

    .contact-form-title {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .contact-form-row {
        gap: 15px;
        margin-bottom: 15px;
    }

    .contact-form-label {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .contact-form-input {
        height: 40px;
        font-size: 14px;
        padding: 0 12px;
    }

    .contact-form-submit {
        margin-top: 30px;
    }

    .contact-submit-btn {
        height: 40px;
        font-size: 15px;
    }

    .about-page-section {
        padding: 0px 0 40px;
    }

    .about-page-image {
        height: 200px;
        margin-bottom: 20px;
    }

    .about-page-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .about-page-text {
        font-size: 14px;
    }

    .about-strength-section {
        margin-top: 30px;
        padding: 20px 0;
    }

    .about-strength-title {
        font-size: 20px;
    }

    .about-strength-subtitle {
        font-size: 20px;
        font-family: PingFang SC, PingFang SC-Regular;
        font-weight: 400;
        text-align: center;
        color: #4e5969;
        letter-spacing: 1px;
        margin-bottom: 20px;
    }

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

    .strength-item {
        padding: 15px 10px;
    }

    .strength-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 12px;
    }

    .strength-number {
        font-size: 16px;
    }
    .strength-number span {
        font-size: 38px;
    }

    .strength-label {
        font-size: 13px;
    }

    .official-cases-section {
        margin-top: 40px;
        padding: 30px 0;
    }

    .official-cases-title {
        font-size: 24px;
    }

    .official-cases-subtitle {
        font-size: 18px;
        margin-bottom: 30px;
    }

    .official-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .official-case-image {
        height: 180px;
    }

    .official-case-title {
        font-size: 16px;
        min-height: 23px;
    }

    .official-case-description {
        font-size: 13px;
        min-height: 42px;
    }

    .official-cases-section {
        margin-top: 30px;
        padding: 20px 0;
    }

    .official-cases-title {
        font-size: 20px;
    }

    .official-cases-subtitle {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .official-cases-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .official-case-image {
        height: 150px;
    }

    .official-case-title {
        font-size: 15px;
        min-height: 22px;
    }

    .official-case-description {
        font-size: 12px;
        min-height: 39px;
    }

    .case-detail-section {
        padding: 20px 0 40px;
    }

    .case-detail-container {
        display: block;
    }

    .case-detail-image {
        float: none;
        width: 100%;
        height: auto;
        max-height: 300px;
        margin-right: 0;
        margin-bottom: 15px;
    }

    .case-detail-image img {
        width: 100%;
        height: auto;
        max-height: 300px;
        object-fit: contain;
    }

    .case-detail-content {
        overflow: visible;
    }

    .case-detail-title {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .case-detail-content p {
        font-size: 14px;
    }

    .case-detail-navigation {
        flex-direction: column;
        gap: 12px;
        margin-top: 25px;
        padding-top: 15px;
    }

    .case-nav-item {
        width: 100%;
        justify-content: flex-start !important;
        text-align: left !important;
    }

    .case-nav-label {
        font-size: 13px;
    }

    .case-nav-title {
        font-size: 13px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .video-item {
        padding: 12px;
    }

    .video-thumbnail {
        height: 150px;
    }

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

    .video-description {
        font-size: 12px;
    }

    .news-list-section {
        padding: 0px 0 40px;
    }

    .news-list-item {
        padding: 12px;
    }

    .news-list-image {
        height: 150px;
    }

    .news-list-title {
        font-size: 15px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-height: 22px;
    }

    .news-list-description {
        font-size: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        min-height: calc(1.6em * 2);
    }

    .pagination-controls {
        gap: 6px;
    }

    .pagination-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .pagination-number {
        min-width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .pagination-jump-input {
        width: 40px;
        height: 32px;
        font-size: 12px;
    }

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

    .product-image {
        height: 160px;
    }

    .product-title {
        font-size: 15px;
        min-height: 21px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

    .product-subtitle {
        font-size: 12px;
        min-height: 17px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

    .product-description {
        font-size: 13px;
        min-height: 40px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 0;
    }

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

    .quality-subtitle {
        font-size: 16px;
    }

    .quality-card-image {
        width: 60px;
        height: 60px;
    }

    .quality-card-title {
        font-size: 14px;
    }

    .quality-card-subtitle {
        font-size: 12px;
    }

    .quality-list-item {
        font-size: 14px;
    }

    .partners-container {
        overflow: visible;
    }

    .partners-scroll-wrapper {
        overflow: hidden;
        position: relative;
    }

    .partners-scroll-content {
        gap: 15px;
    }

    .partner-item {
        width: 250px;
        min-width: 250px;
        flex-shrink: 0;
    }

    .partner-logo {
        width: 250px;
        height: auto;
        min-height: 87px;
    }

    .partner-name-part1,
    .partner-name-part2,
    .partner-name-full {
        font-size: 16px;
    }

    .partner-name-chinese {
        font-size: 14px;
    }

    .partner-name-english {
        font-size: 11px;
    }

    .partner-tagline {
        font-size: 10px;
    }
}