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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

/* 动画类 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.8s ease forwards;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background-color: #2563eb;
    color: white;
    transform: translateY(-2px);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
}

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

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 81px; /* 从72px调整到81px */
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2563eb;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #2563eb;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    padding: 180px 0 50px; /* 从150px 0 100px增加到180px 0 120px，让内容下移 */
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: #1e293b;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 通用部分样式 */
section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

/* 关于我们 */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin: 25px 0 15px;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: #64748b;
    margin-bottom: 20px;
}

.stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #2563eb;
}

.stat-label {
    font-size: 14px;
    color: #64748b;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 服务 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 40px;
    color: #2563eb;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.service-card p {
    color: #64748b;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 10px;
}

/* 产品 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

.product-content p {
    color: #64748b;
    margin-bottom: 20px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.product-link:hover {
    gap: 10px;
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

.section-footer p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 20px;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background-color: #f0f9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    font-size: 22px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.contact-details p {
    color: #64748b;
    font-size: 16px;
    line-height: 1.4;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-group textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background-color: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

.footer-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    color: white;
}

.footer-logo .logo-sub {
    color: #94a3b8;
}

.footer-section p {
    margin-bottom: 20px;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #1e293b;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: #2563eb;
}

.subscribe-form {
    display: flex;
    margin-top: 15px;
}

.subscribe-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 30px 0 0 30px;
    background-color: #1e293b;
    color: white;
}

.subscribe-form button {
    padding: 12px 20px;
    background-color: #2563eb;
    color: white;
    border: none;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.subscribe-form button:hover {
    background-color: #1d4ed8;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* 产品详情页面样式 */
.product-detail {
    padding: 160px 0 80px;
}

.breadcrumb {
    margin-bottom: 30px;
    font-size: 14px;
    color: #64748b;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: #1e293b;
    font-weight: 500;
}

/* 新的混合布局样式 */
.product-overview-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: start;
}

.product-image-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-image-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 15px;
}

.product-image-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    transition: transform 0.5s ease;
}

.product-image-container:hover img {
    transform: scale(1.03);
}

.product-info-column {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.product-info-column h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 5px;
    text-align: left;
}

.product-info-column .product-subtitle {
    text-align: left;
    margin-bottom: 0;
}

.product-details-linear {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 恢复原有的产品详情布局样式 */
.product-detail-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 60px;
}

/* 显示线性布局的元素 */
.product-image-full,
.product-header-section {
    display: block;
}

/* 确保产品模块显示 */
.product-section {
    display: block !important;
}

.related-products {
    border-top: 1px solid #e2e8f0;
    padding-top: 40px;
}

.related-products h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 30px;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.related-product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.related-product-card a {
    text-decoration: none;
    color: inherit;
}

.related-product-image {
    height: 150px;
    overflow: hidden;
}

.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.related-product-content {
    padding: 20px;
}

.related-product-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

    .related-product-content p {
        font-size: 14px;
        color: #64748b;
        line-height: 1.5;
    }

/* 线性布局样式 */
.linear-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.product-image-full {
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.product-image-full img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.product-image-full:hover img {
    transform: scale(1.02);
}

.product-header-section {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.product-header-section h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 10px;
    text-align: center;
}

/* 优化后的产品详情页面样式 */
.product-subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 25px;
    font-weight: 500;
    text-align: center;
}

.product-highlight {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-left: 4px solid #2563eb;
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background-color: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.highlight-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.highlight-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
}

.product-description-box {
    background-color: #f8fafc;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid #e2e8f0;
}

.product-description-box h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.product-description-box p {
    font-size: 16px;
    line-height: 1.8;
    color: #64748b;
}

.product-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.product-section {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.section-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid #e2e8f0;
}

.section-header i {
    color: #2563eb;
    font-size: 20px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
}

.section-content {
    padding: 0px 25px 25px;
}

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

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background-color: #f8fafc;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background-color: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.feature-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
}

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

.parameter-item {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    border: 1px solid #dbeafe;
}

.parameter-label {
    display: block;
    font-size: 14px;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 500;
}

.parameter-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background-color: #f8fafc;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.advantage-item:hover {
    background-color: #f0f9ff;
}

.advantage-item i {
    color: #10b981;
    font-size: 16px;
    flex-shrink: 0;
}

.advantage-item span {
    font-size: 15px;
    color: #1e293b;
    font-weight: 500;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.spec-category {
    background-color: #f8fafc;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e2e8f0;
}

.spec-category h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #dbeafe;
}

.spec-category .spec-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    background: none;
}

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

.spec-category .spec-label {
    font-weight: 500;
    color: #64748b;
    font-size: 14px;
}

.spec-category .spec-value {
    font-weight: 600;
    color: #1e293b;
    font-size: 14px;
    text-align: right;
    max-width: 60%;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.product-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    font-size: 16px;
    font-weight: 500;
}

.product-actions .btn i {
    font-size: 14px;
}

/* 2x2图片网格样式 */
.image-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.image-grid-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
    padding: 10px;
}

.image-grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.image-grid-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.5s ease;
}

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

/* 产品图片网格 - 响应式布局 */
.product-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 20px;
}

.product-grid-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    background: white;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4/3; /* 保持一致的宽高比 */
}

.product-grid-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片填充容器并保持比例 */
    border-radius: 8px;
    transition: transform 0.5s ease;
    display: block;
}

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

/* 响应式设计 - 移动端单列布局 */
@media (max-width: 768px) {
    .product-image-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-grid-item {
        aspect-ratio: 16/9; /* 移动端使用更宽的宽高比 */
        max-width: 100%;
    }
}

/* 大屏幕优化 */
@media (min-width: 1200px) {
    .product-image-grid {
        gap: 30px;
    }
    
    .product-grid-item {
        padding: 20px;
    }
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 40px;
    }
    
    .services-grid,
    .products-grid,
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 121px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #f1f5f9;
    }
    
    .nav-menu a.active::after {
        display: none;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        margin: 0 auto 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .stats {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    /* 移动端调整Logo大小 */
    .logo-image {
        height: 81px;
    }
    
    .navbar {
        padding: 20px 0;
    }
    
    .nav-menu {
        top: 121px;
    }
    
    /* 页脚响应式调整 */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 优化产品详情页面的响应式设计 */
    .product-highlight {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .parameter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* 混合布局的响应式设计 */
    .product-overview-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-image-container {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .product-info-column h1 {
        text-align: center;
    }
    
    .product-info-column .product-subtitle {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .hero {
        padding: 190px 0 80px; /* 从160px 0 60px增加到190px 0 80px，让移动端内容也下移 */
    }
    
    section {
        padding: 60px 0;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    /* 移动端产品详情页面调整 */
    .product-detail {
        padding: 180px 0 60px;
    }
}