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

:root {
    --primary-blue: #1E3A8A;
    --bright-red: #DC2626;
    --pure-white: #FFFFFF;
    --light-gray: #F3F4F6;
    --dark-gray: #374151;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
    padding-top: 0;
}

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

/* 头部导航 */
.header {
    background: var(--pure-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

#logo-img {
    width: 200px;
    height: 60px;
    object-fit: contain;
}

.logo-text {
    display: none;
}

/* 英文模式下隐藏 Logo 文字 */
body.en .logo-text {
    display: none;
}

.navbar {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* 汉堡菜单按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 25px;
    justify-content: space-between;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--dark-gray);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    white-space: nowrap;
    background: transparent;
    padding: 5px;
    border-radius: 5px;
}

.nav-menu li a:hover {
    color: var(--pure-white);
    background: var(--bright-red);
}

/* 下拉菜单 */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--pure-white);
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 5px;
    z-index: 999;
    list-style: none;
    padding: 10px 0;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-gray);
    background: transparent;
}

.dropdown-menu li a:hover {
    background: var(--bright-red);
    color: var(--pure-white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-switch {
    background: var(--primary-blue);
    color: var(--pure-white);
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: #1e40af;
    transform: translateY(-2px);
}

.cart-icon {
    background: var(--bright-red);
    color: var(--pure-white);
    border: none;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    position: relative;
    transition: all 0.3s ease;
}

.cart-icon:hover {
    background: #b91c1c;
    transform: translateY(-2px);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-blue);
    color: var(--pure-white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* 幻灯片 */
.hero-slider {
    position: relative;
    height: 800px;
    margin-top: 120px !important;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    width: 100vw;
    height: 100%;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

/* 幻灯片文字容器 - 统一左对齐 */
.slide-content {
    color: var(--pure-white);
    max-width: 500px;
    padding: 20px;
    animation: slideUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left !important;
}

/* 左侧对齐 */
.slide-left {
    position: absolute;
    left: 5%;
    top: 60%;
    transform: translateY(-50%);
}

/* 右侧对齐 */
.slide-right {
    position: absolute;
    left: 5%;
    top: 60%;
    transform: translateY(-50%);
}

/* 居中对齐 */
.slide-center {
    position: absolute;
    left: 5%;
    top: 60%;
    transform: translateY(-50%);
}

.slide-content h1 {
    font-size: 40px;
    margin-bottom: 15px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
    font-weight: bold;
    letter-spacing: 2px;
    line-height: 1.3;
    text-align: left !important;
}

.slide-content p {
    font-size: 16px;
    background: var(--bright-red);
    padding: 8px 20px;
    display: inline-block;
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
    font-weight: 500;
    letter-spacing: 1px;
    white-space: nowrap;
    text-align: left !important;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-content {
    animation: slideUp 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 999;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--pure-white);
    width: 30px;
    border-radius: 6px;
}

.slider-arrow {
    z-index: 999;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: var(--pure-white);
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-arrow.prev {
    left: 20px;
}

.slider-arrow.next {
    right: 20px;
}

/* Section 通用样式 */
.section {
    padding: 20px 0;
}

.section-alt {
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--bright-red);
}

/* 栏目副标题 */
.section-subtitle {
    text-align: center;
    font-size: 15px;
    color: #666666;
    max-width: 900px;
    margin: 0 auto;
    line-height: 2;
}

/* 关于我们布局 */
.about-section {
    position: relative;
    padding: 50px 0;
}

.about-card {
    background: white;
    padding: 50px;
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    z-index: 10;
}

/* 边框内的章节标题 */
.about-section-title {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    font-weight: 600;
    text-align: left;
    padding-left: 15px;
    border-left: 4px solid var(--primary-blue);
    line-height: 1.4;
}

/* 首页公司简介卡片样式 */
.about-section .about-card {
    background: transparent;
    padding: 0;
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: none;
    border-radius: 0;
    z-index: 10;
}

/* 首页标题样式 */
.about-section .about-card h3 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 30px;
    font-weight: bold;
    text-align: center;
}

/* 首页左右布局 */
.about-section .about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch
}

/* about.html 页面公司简介卡片样式 */
#about-company .about-card {
    background: white;
    padding: 50px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
}

/* about.html 页面上下布局 */
#about-company .about-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 60px;
}

.about-image {
    position: relative;
    width: 100%;
    display: flex;
    align-items: stretch;
}

.about-image video,
.about-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    display: block;
    border-radius: 10px;
}

.about-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.about-content > img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: cover;
    display: block;
    border-radius: 10px;
    margin-bottom: 30px;
}

.about-content h3 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 25px;
    font-weight: bold;
    text-align: left;
}

.about-card p {
    font-size: 15px;
    line-height: 2;
    color: var(--dark-gray);
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

/* 企业荣誉部分 */
.honor-section {
    margin-top: 20px;
    padding-top: 50px;
    border-top: 2px solid #f0f0f0;
}

.honor-title {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 30px;
    font-weight: 600;
    text-align: left;
    padding-left: 15px;
    border-left: 4px solid var(--primary-blue);
    line-height: 1.4;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--light-gray);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 8px;
    text-align: right;
    padding-right: 15%;
    white-space: nowrap;
}

.stat-label {
    font-size: 13px;
    color: var(--dark-gray);
    text-align: right;
    padding-right: 15%;
}

/* 新闻与洞察布局 */
.news-layout {
    display: grid;
    grid-template-columns: 416px 1fr;
    gap: 50px;
    margin-top: 50px;
    align-items: stretch;
}

.news-image {
    width: 416px;
    height: 100%;
}

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

.news-list {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.news-item {
    display: flex;
    gap: 15px;
    padding: 0;
    border-bottom: 1px solid #e5e5e5;
    align-items: center;
    flex: 1;
}

/* 首页新闻列表样式（保持原有设计） */
.home-news-item {
    display: flex;
    gap: 15px;
    padding: 0;
    border-bottom: 1px solid #e5e5e5;
    align-items: center;
    flex: 1;
}

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

.news-date {
    flex-shrink: 0;
    height:70px;
    width: 70px;
    text-align: center;
    background: var(--bright-red);
    color: var(--pure-white);
    padding: 10px;
    border-radius: 5px;
}

.news-date .day {
    display: block;
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.9;
}

.news-content h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 5px;
    font-weight: bold;
}

.news-content h3 a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.news-content h3 a:hover {
    color: var(--bright-red);
    text-decoration: underline;
}

/* 首页新闻项 */
.home-news-item h3 a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.home-news-item h3 a:hover {
    color: var(--bright-red);
    text-decoration: underline;
}

.news-content p {
    font-size: 13px;
    line-height: 1.5;
    color: #666;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: calc(13px * 1.5);
}

/* 新闻分类标签 */
.news-tabs {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    margin-bottom: 20px;
    justify-content: center;
}

.news-tab {
    background: var(--pure-white);
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 12px 35px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.news-tab:hover {
    background: var(--primary-blue);
    color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.news-tab.active {
    background: var(--bright-red);
    border-color: var(--bright-red);
    color: var(--pure-white);
}

/* 新闻面板 */
.news-panel {
    display: none;
}

.news-panel.active {
    display: flex;
    flex-direction: column;
}

/* 营销服务内容区域 */
.service-panel {
    display: none;
}

.service-panel.active {
    display: block;
}

.service-content {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.service-content h3 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 30px;
    font-weight: 600;
    text-align: left;
    padding-left: 15px;
    border-left: 4px solid var(--primary-blue);
    line-height: 1.4;
}

.service-text p {
    font-size: 15px;
    line-height: 2;
    color: var(--dark-gray);
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

.service-text strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* 企业荣誉 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.honor-card {
    background: var(--pure-white);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.honor-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.honor-card h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.honor-card p {
    font-size: 14px;
    color: var(--dark-gray);
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.partner-card {
    background: var(--pure-white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

/* 企业文化 */
.culture-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.culture-card {
    background: var(--pure-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.culture-card h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bright-red);
}

.culture-text p {
    font-size: 15px;
    line-height: 2;
    color: var(--dark-gray);
}

/* 推荐产品区域 */
.reco-section {
    padding: 20px 0;
    background: var(--light-gray);
}

.reco-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-top: 30px;
}

/* 去除推荐产品链接下划线 */
.reco-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.reco-card-link:hover {
    text-decoration: none;
}

.reco-card {
    background: var(--pure-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.reco-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.reco-image {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
}

.reco-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
}

.reco-info {
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.reco-info h3 {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 0;
    font-weight: bold;
    line-height: 1.4;
    flex-grow: 1;
}



/* 产品详情弹窗 */
.product-modal-content {
    max-width: 1000px;
    width: 95%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
}

.product-modal-body {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 30px;
}

.product-modal-image {
    width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    overflow: hidden;
}

.product-modal-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-modal-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-modal-info h2 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: bold;
}

.modal-prices {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.modal-current-price {
    font-size: 32px;
    color: var(--bright-red);
    font-weight: bold;
}

.modal-original-price {
    font-size: 20px;
    color: #999;
    text-decoration: line-through;
}

.product-desc {
    font-size: 15px;
    line-height: 2;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.btn-buy-now {
    background: var(--bright-red);
    color: var(--pure-white);
    border: none;
    padding: 15px 40px;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.btn-buy-now:hover {
    background: #b91c1c;
    transform: scale(1.05);
}

/* 图片查看器弹窗 */
.image-viewer-content {
    max-width: 1000px;
    width: 95%;
}

.image-viewer-body {
    position: relative;
    text-align: center;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.image-viewer-body img {
    max-width: 100%;
    max-height: 80vh !important;
    border-radius: 10px;
    object-fit: contain;
    cursor: default;
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark-gray);
    border: none;
    padding: 30px 20px;
    cursor: pointer;
    font-size: 32px;
    border-radius: 5px;
    transition: all 0.3s ease;
    z-index: 10;
}

.nav-arrow:hover {
    background: var(--pure-white);
    color: var(--bright-red);
    transform: translateY(-50%) scale(1.1);
}

.prev-arrow {
    left: -80px;
}

.next-arrow {
    right: -80px;
}

.image-counter {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--pure-white);
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    z-index: 100;
}



/* 产品系列区域 */
.series-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 30px;
}

/* 去除产品系列链接下划线 */
.series-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.series-card-link:hover {
    text-decoration: none;
}

.series-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 380px;
    position: relative;
}

.series-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.series-image {
    width: 100%;
    height: 320px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Logo在上半部分 */
.series-logo-top {
    height: 40%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    box-sizing: border-box;
}

.series-logo-top img {
    max-width: 90%;
    max-height: 90%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* 缩略图在下半部分 */
.series-thumbnail-bottom {
    height: 60%;
    margin: 10px 0;
    position: relative;
    overflow: hidden;
}

.series-thumbnail-bottom img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0;
    left: 0;
}

/* 背景占位符(无缩略图时显示) */
.series-bg-placeholder {
    height: 60%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 渐变背景作为图片加载失败时的备用 */
.series-1 .series-bg-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.series-2 .series-bg-placeholder {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.series-3 .series-bg-placeholder {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.series-4 .series-bg-placeholder {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* 文字信息区域 - 红色背景 */
.series-info {
    background: var(--bright-red);
    padding: 15px 15px;
    text-align: center;
    color: var(--pure-white);
}

.series-info h3 {
    font-size: 18px;
    margin-bottom: 0;
    font-weight: bold;
    line-height: 1.4;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.product-card {
    background: var(--pure-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-img {
    color: var(--pure-white);
    font-size: 18px;
    text-align: center;
}

.badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.badge.new {
    background: var(--bright-red);
    color: var(--pure-white);
}

.product-title {
    font-size: 18px;
    color: var(--dark-gray);
    text-align: center;
}

.product-price {
    padding: 0 15px 10px;
    font-size: 22px;
    color: var(--bright-red);
    font-weight: bold;
    text-align: center;
}

.btn-buy {
    width: calc(100% - 30px);
    margin: 0 15px 15px;
    background: var(--primary-blue);
    color: var(--pure-white);
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-buy:hover {
    background: #1e40af;
    transform: scale(1.02);
}

/* 筛选按钮 */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--pure-white);
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 10px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-blue);
    color: var(--pure-white);
}

/* 新闻区域 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--pure-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.news-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-content {
}

.news-content h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.news-content p {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 5px;
}

.read-more {
    color: var(--bright-red);
    text-decoration: none;
    font-weight: 600;
    background: rgba(220, 38, 38, 0.1);
    padding: 5px 15px;
    border-radius: 3px;
    display: inline-block;
    transition: all 0.3s ease;
}

.read-more:hover {
    background: var(--bright-red);
    color: var(--pure-white);
}

/* 技术区域 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tech-card {
    background: var(--pure-white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.tech-card h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.tech-card p {
    color: var(--dark-gray);
    line-height: 1.8;
}

/* 案例区域 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

/* 标题和链接的容器 */
.section-header-with-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.view-more-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.view-more-link:hover {
    color: var(--bright-red);
    transform: translateX(5px);
}

/* 视频展示区域 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.video-card {
    background: var(--pure-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.video-placeholder {
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--pure-white);
}

.play-icon {
    font-size: 60px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.video-placeholder p {
    font-size: 16px;
    margin: 0;
}

.case-card {
    background: var(--pure-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.case-info p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* 关于我们 */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 16px;
    line-height: 2;
    color: var(--dark-gray);
    margin-bottom: 20px;
    text-indent: 2em;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 40px;
    padding: 30px;
    background: var(--pure-white);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--bright-red);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--dark-gray);
}

/* 页脚 */
.footer {
    background: #1a1a1a;
    color: var(--pure-white);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--bright-red);
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--pure-white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--bright-red);
}

.payment-icons {
    display: flex;
    gap: 15px;
    font-size: 32px;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--pure-white);
    padding: 5px;
}

/* 多个二维码布局 */
.qr-codes {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.qr-item {
    text-align: center;
}

.qr-item img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    background: var(--pure-white);
    padding: 5px;
    display: block;
    margin-bottom: 8px;
}

.qr-item span {
    color: var(--pure-white);
    font-size: 14px;
    display: block;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Footer 中的合作伙伴 */
.footer-partners {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-partners h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--bright-red);
    text-align: center;
}

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

.partners-scroll-track {
    display: flex;
    gap: 30px;
    animation: scrollPartners 20s linear infinite;
    width: max-content;
}

.partners-scroll-track:hover {
    animation-play-state: paused;
}

@keyframes scrollPartners {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.footer-partners .partner-card {
    background: var(--pure-white);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    height: 80px;
    width: 150px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-partners .partner-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: modalBgFadeIn 0.3s ease-out;
}

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

.modal-content {
    background-color: var(--pure-white);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    animation: modalFadeIn 0.3s ease-out;
    box-sizing: border-box;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* 购物车模态框样式 */
#cart-modal .modal-content {
    padding: 30px;
}

/* 收货信息模态框样式 */
#shipping-modal .modal-content {
    padding: 40px 30px 30px;
}

/* 支付模态框样式 */
#payment-modal .modal-content {
    padding: 40px 30px 30px;
}

/* 订单确认模态框样式 */
#order-confirm-modal .modal-content {
    padding: 40px 30px 30px;
}

/* 产品详情模态框样式 */
#product-modal .modal-content {
    padding: 35px 25px 25px;
}

/* 图片查看器模态框样式（案例、荣誉） */
#image-viewer-modal .modal-content {
    padding: 35px 25px 25px;
    max-width: 600px;
}

/* 联系客服模态框样式 */
#contact-service-modal .modal-content {
    padding: 40px 35px 35px;
}

#contact-service-modal .close {
    right: 25px;
    top: 20px;
    font-size: 32px;
    width: 45px;
    height: 45px;
    background: #f5f5f5;
    border-radius: 50%;
    transition: all 0.3s ease;
}

#contact-service-modal .close:hover {
    background: #ff5000;
    color: #fff;
    transform: rotate(90deg);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 99999 !important;
    user-select: none;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    pointer-events: auto !important;
    border-radius: 50%;
    background: transparent;
}

.close:hover {
    color: var(--bright-red);
    background: rgba(220, 38, 38, 0.1);
    transform: rotate(90deg);
}

.cart-items {
    max-height: 300px;
    overflow-y: auto;
    margin: 20px 0;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
    padding-right: 10px;
}

.cart-total {
    font-size: 20px;
    margin: 20px 0;
    text-align: right;
    color: var(--bright-red);
}

.btn-checkout {
    width: 100%;
    background: var(--bright-red);
    color: var(--pure-white);
    border: none;
    padding: 15px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-checkout:hover {
    background: #b91c1c;
}

.payment-modal {
    max-width: 500px;
}

.payment-modal .order-summary {
    margin-top: 10px;
}

.payment-wechat {
    text-align: center;
    padding: 10px 0;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.payment-option {
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.payment-option.selected {
    border-color: var(--primary-blue);
    background: rgba(30, 58, 138, 0.05);
}

.payment-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.payment-option p {
    font-size: 13px;
    color: var(--dark-gray);
}

.modal-content h2 {
    margin-top: 0;
    margin-bottom: 25px;
    padding-right: 30px;
    font-size: 22px;
    color: var(--primary-blue);
}

/* 收货信息表单 */
.shipping-modal {
    max-width: 600px;
}

#shipping-form {
    padding: 20px 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-gray);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
}

.btn-continue {
    width: 100%;
    background: var(--bright-red);
    color: var(--pure-white);
    border: none;
    padding: 15px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-continue:hover {
    background: #b91c1c;
    transform: translateY(-2px);
}

/* 订单摘要 */
.order-summary {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-blue);
}

.order-summary h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: bold;
}

.order-info p {
    margin: 10px 0;
    font-size: 14px;
    color: var(--dark-gray);
    display: flex;
    justify-content: space-between;
}

.order-info span:first-child {
    font-weight: 600;
    color: #666;
}

#order-number {
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

#order-subtotal {
    font-size: 18px;
    font-weight: bold;
    color: var(--bright-red);
}

/* 微信支付区域 */
.payment-wechat {
    text-align: center;
    padding: 20px 0;
}

.wechat-qr-placeholder {
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    padding: 30px 20px;
    margin-bottom: 20px;
}

.qr-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.wechat-qr-placeholder > p {
    color: var(--dark-gray);
    font-size: 14px;
    margin-bottom: 20px;
}

.qr-code-box {
    background: white;
    border: 3px solid #07c160;
    border-radius: 8px;
    padding: 20px;
    display: inline-block;
    margin: 15px 0;
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.15);
}

.qr-code {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, #f0f0f0 25%, transparent 25%) -10px 0,
                linear-gradient(225deg, #f0f0f0 25%, transparent 25%) -10px 0,
                linear-gradient(315deg, #f0f0f0 25%, transparent 25%),
                linear-gradient(45deg, #f0f0f0 25%, transparent 25%);
    background-size: 20px 20px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #999;
    font-weight: bold;
    position: relative;
}

.qr-code::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    background: #07c160;
    border-radius: 4px;
}

.qr-code::after {
    content: '微信';
    position: absolute;
    color: white;
    font-size: 12px;
    z-index: 1;
}

.payment-tip {
    color: #999;
    font-size: 13px;
    margin-top: 15px;
    font-style: italic;
}

.btn-confirm-payment {
    width: 100%;
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
}

.btn-confirm-payment:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(7, 193, 96, 0.4);
}

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

/* 订单确认模态框 */
.order-confirm-modal {
    max-width: 500px;
}

.order-confirm-modal .modal-content {
    padding: 30px;
}

.order-success {
    text-align: center;
    padding: 20px 10px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto 20px;
    animation: scaleIn 0.5s ease-out;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.order-success h2 {
    color: #10b981;
    margin-bottom: 30px;
    font-size: 24px;
}

.order-details {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: left;
}

.order-details p {
    margin: 10px 0;
    font-size: 14px;
    color: var(--dark-gray);
}

.order-details strong {
    color: var(--primary-blue);
}

#confirm-order-number {
    font-family: monospace;
    font-size: 16px;
}

.order-message {
    margin: 20px 0;
    padding: 15px;
    background: rgba(30, 58, 138, 0.05);
    border-left: 4px solid var(--primary-blue);
    border-radius: 4px;
}

.order-message p {
    color: var(--dark-gray);
    font-size: 14px;
    margin: 0;
}

.order-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-view-order,
.btn-continue-shopping {
    flex: 1;
    padding: 12px 20px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-view-order {
    background: var(--primary-blue);
    color: var(--pure-white);
}

.btn-view-order:hover {
    background: #1e40af;
    transform: translateY(-2px);
}

.btn-continue-shopping {
    background: var(--pure-white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-continue-shopping:hover {
    background: var(--primary-blue);
    color: var(--pure-white);
    transform: translateY(-2px);
}

/* 英文模式下移动设备字体大小控制 */
@media (max-width: 768px) {
    body.en,
    body.en *,
    body.en h1,
    body.en h2,
    body.en h3,
    body.en h4,
    body.en h5,
    body.en h6,
    body.en p,
    body.en span,
    body.en div,
    body.en a,
    body.en label,
    body.en button,
    body.en input,
    body.en textarea,
    body.en li,
    body.en strong,
    body.en em {
        font-size: 14px !important;
    }

    body.en h1 {
        font-size: 24px !important;
    }

    body.en h2 {
        font-size: 20px !important;
    }

    body.en h3 {
        font-size: 17px !important;
    }

    body.en h4 {
        font-size: 15px !important;
    }
}

/* ==================== 产品列表页样式 ==================== */

/* 页面顶部Banner */
.page-banner {
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    margin-top: 120px;
}

.products-page {
    padding-top: 40px;
    min-height: 80vh;
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    margin-top: 40px;
}

/* 统一的侧边栏样式（产品和新闻共用） */
.sidebar {
    width: 280px;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    height: fit-content;
    position: sticky;
    top: 120px;
}

/* 侧边栏标题样式（产品和新闻共用） */
.sidebar-title {
    font-size: 22px;
    color: var(--dark-gray);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-blue);
    font-weight: bold;
}

/* 产品分类使用与新闻分类相同的样式 */
.series-list {
    list-style: none;
}

.series-item {
    margin-bottom: 10px;
}

.series-item a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--dark-gray);
    border-radius: 6px;
    transition: all 0.3s ease;
    background: rgb(248, 249, 250);
}

.series-item.active a,
.series-item a:hover {
    background: var(--primary-blue);
    color: white;
}

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

/* 去除产品卡片链接下划线 */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card-link:hover {
    text-decoration: none;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.15);
    border-color: var(--primary-blue);
}

.product-image {
    width: 100%;
    height: 260px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    position: relative;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(30, 58, 138, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-image::after {
    opacity: 1;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-info {
    padding: 25px;
    background: white;
}

.product-info h3 {
    font-size: 15px;
    color: var(--dark-gray);
    margin-bottom: 0;
    line-height: 1.5;
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-card:hover .product-info h3 {
    color: var(--primary-blue);
}

/* ==================== 新闻列表页样式 ==================== */
.news-page {
    padding-top: 40px;
    min-height: 80vh;
}

.news-list-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    margin-top: 40px;
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 10px;
}

.category-item a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--dark-gray);
    border-radius: 6px;
    transition: all 0.3s ease;
    background: rgb(248, 249, 250);
}

.category-item.active a,
.category-item a:hover {
    background: var(--primary-blue);
    color: white;
}

.category-item .count {
    font-size: 12px;
    opacity: 0.7;
}

.news-main {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 50px;
}

/* 简单新闻列表（无图片） */
.news-list-simple {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 30px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.news-item {
    padding: 28px 35px;
    border-bottom: 1px solid #e8e8e8;
    transition: all 0.3s ease;
    cursor: pointer;
    display: block;
    position: relative;
}

.news-item a {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* 新闻项内容布局（缩略图+文字） */
.news-item-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* 缩略图容器 */
.news-thumbnail {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    overflow: hidden;
    border-radius: 6px;
    background: #f7fafc;
}

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

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

/* 新闻信息容器 */
.news-item-info {
    flex: 1;
    min-width: 0;
}

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

.news-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary-blue), #3b82f6);
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-item:hover {
    background: linear-gradient(to right, #f0f4ff, #ffffff);
    padding-left: 40px;
}

.news-item:hover::before {
    transform: scaleY(1);
}

.news-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 12px;
}

.news-item h3 {
    font-size: 17px;
    color: #2d3748;
    margin: 0;
    line-height: 1.6;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-align: left;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: 20px;
}

.news-item:hover h3 {
    color: var(--primary-blue);
    font-weight: 600;
}

.news-date-simple {
    font-size: 14px;
    color: #718096;
    white-space: nowrap;
    flex-shrink: 0;
    padding: 6px 16px;
    background: #f7fafc;
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 120px;
    text-align: right;
}

.news-item:hover .news-date-simple {
    background: var(--primary-blue);
    color: white;
}

.news-desc {
    font-size: 14px;
    color: #718096;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    text-align: left;
    width: 100%;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.news-item:hover .news-desc {
    color: #4a5568;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.page-info {
    color: #666;
    font-size: 14px;
}

.page-buttons {
    display: flex;
    gap: 10px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: white;
    color: var(--dark-gray);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(.disabled) {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.page-btn.active {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== 新闻详情页样式 ==================== */
.news-detail-page {
    padding-top: 40px;
    min-height: 80vh;
}

/* 新闻详情布局（左侧导航+右侧内容） */
.news-detail-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    margin-top: 40px;
}

.news-detail-main {
    min-width: 0;
}

.news-detail-single {
    background: white;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.news-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-blue);
    color: white;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 15px;
}

.news-header h1 {
    font-size: 32px;
    color: var(--dark-gray);
    margin: 15px 0;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 20px;
    color: #999;
    font-size: 14px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-body {
    line-height: 1.8;
}

.news-cover-image {
    width: 100%;
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
}

.news-cover-image img {
    width: 100%;
    height: auto;
    display: block;
}

.news-text {
    font-size: 16px;
    color: #333;
}

.news-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.news-text h3 {
    font-size: 22px;
    color: var(--primary-blue);
    margin: 35px 0 15px 0;
    padding-left: 15px;
    border-left: 4px solid var(--primary-blue);
}

.news-conclusion {
    margin-top: 40px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.news-conclusion h3 {
    margin-top: 0;
}

/* 分享按钮 */
.news-share {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #eee;
    display: flex;
    align-items: center;
    gap: 15px;
}

.share-btn {
    padding: 8px 20px;
    border: none;
    border-radius: 20px;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-btn.wechat {
    background: #07c160;
}

.share-btn.weibo {
    background: #e6162d;
}

.share-btn.qq {
    background: #12b7f5;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 上一篇/下一篇导航 */
.news-navigation {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #eee;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.nav-prev,
.nav-next {
    flex: 1;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    display: block;
}

.nav-prev:hover,
.nav-next:hover {
    background: var(--primary-blue);
    color: white;
}

.nav-prev span:first-child,
.nav-next span:first-child {
    display: block;
    font-size: 12px;
    color: #999;
    margin-bottom: 8px;
}

.nav-prev:hover span:first-child,
.nav-next:hover span:first-child {
    color: rgba(255, 255, 255, 0.8);
}

.nav-prev span:last-child,
.nav-next span:last-child {
    display: block;
    font-size: 14px;
    line-height: 1.5;
}

.nav-next.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 返回列表按钮 */
.back-to-list {
    margin-top: 30px;
    text-align: center;
}

.btn-back {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

/* 分页样式 - ThinkCMF默认分页 */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.pagination .page-info {
    color: #666;
    font-size: 14px;
    margin-right: 15px;
}

.pagination .page-buttons {
    display: flex;
    gap: 10px;
}

/* ThinkCMF默认分页样式 */
.pagination ul {
    display: flex;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination li {
    list-style: none;
    margin: 0 1px;
}

.pagination .page-link,
.pagination a.page-link,
.pagination span.page-link {
    padding: 5px 10px;
    border: 1px solid #ddd;
    background: white;
    color: var(--dark-gray);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: 13px;
    min-width: 32px;
    text-align: center;
}

.pagination a.page-link:hover {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.pagination li.active .page-link,
.pagination .active span.page-link {
    background: var(--primary-blue) !important;
    color: white !important;
    border-color: var(--primary-blue) !important;
}

.pagination li.disabled .page-link,
.pagination .disabled span.page-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 新闻列表缩略图响应式 */
@media (max-width: 768px) {
    .news-item-content {
        flex-direction: column;
        gap: 12px;
    }

    .news-thumbnail {
        width: 100%;
        height: 180px;
    }

    .news-item {
        padding: 20px;
    }

    /* 新闻详情页响应式 */
    .news-detail-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .sidebar {
        position: static;
        width: 100%;
    }

    .news-detail-single {
        padding: 30px 20px;
    }
}