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

/* 基础样式 */
body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    scroll-behavior: smooth;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.navbar .nav-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo h1 {
    font-size: 1.2rem;
    color: #e63946;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

/* 语言切换按钮样式 */
.language-switch {
    display: flex;
    gap: 10px;
    margin-left: 30px;
}

.lang-btn {
    padding: 6px 12px;
    border: 1px solid #e63946;
    border-radius: 20px;
    background-color: transparent;
    color: #e63946;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background-color: #e63946;
    color: #fff;
}

.lang-btn.active {
    background-color: #e63946;
    color: #fff;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #e63946;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #e63946;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero 区样式 */
.hero {
    height: 600px;
    display: flex;
    align-items: flex-start;
    text-align: center;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
    padding: 0;
    margin: 80px 0 0;
}

.hero::before {
    display: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    margin: 0 auto;
}

/* Hero 内容样式 */
.hero-content {
    position: relative;
    z-index: 10;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 30px 50px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    max-width: 80%;
    margin: 20px auto 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    color: #e63946;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

/* OEM 服务样式 */
.oem-service {
    background-color: #fff;
    padding: 100px 0;
}

.oem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.oem-item {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.oem-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.oem-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #e63946;
    font-weight: 600;
}

.oem-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.oem-item li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.oem-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #e63946;
    font-weight: bold;
}

.oem-item p {
    color: #666;
    font-size: 1.1rem;
}

/* Hero Slider 样式 */
.hero-slider {
    position: relative;
    width: 100%;
    max-width: 1160px;
    height: 600px;
    overflow: hidden;
    margin: 0 auto;
    padding: 0;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    position: relative;
    min-width: 100%;
    height: 100%;
    overflow: hidden;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
    margin: 0 auto;
}

.slide:hover img {
    transform: scale(1.05);
}

/* 轮播文字内容 - 必品阁风格 */
.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.slide-text {
    text-align: center;
    color: #333;
    max-width: 600px;
    padding: 0 20px;
}

.slide-text h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #e63946;
    font-family: 'Noto Sans SC', sans-serif;
    letter-spacing: 2px;
}

.slide-text p {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 25px;
    color: #555;
    letter-spacing: 1px;
}

.slide-slogan {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 12px 35px;
    border-radius: 50px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    letter-spacing: 1px;
}

/* 轮播控制按钮 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    font-size: 24px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* 轮播指示器 */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

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

.slider-dot.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.3);
}

/* 响应式设计 - 轮播文字 */
@media screen and (max-width: 992px) {
    .slide-text h2 {
        font-size: 2.5rem;
    }
    
    .slide-text p {
        font-size: 1.2rem;
    }
    
    .slide-slogan {
        font-size: 1.1rem;
        padding: 10px 30px;
    }
    
    .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}

@media screen and (max-width: 768px) {
    .hero-slider {
        height: 90vh;
        min-height: 500px;
    }
    
    .slide-text h2 {
        font-size: 2rem;
    }
    
    .slide-text p {
        font-size: 1rem;
    }
    
    .slide-slogan {
        font-size: 1rem;
        padding: 8px 25px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .prev-btn {
        left: 20px;
    }
    
    .next-btn {
        right: 20px;
    }
    
    .slider-dots {
        bottom: 30px;
    }
}

@media screen and (max-width: 480px) {
    .hero-slider {
        height: 80vh;
        min-height: 400px;
    }
    
    .slide-text h2 {
        font-size: 1.8rem;
        letter-spacing: 1px;
    }
    
    .slide-text p {
        font-size: 0.9rem;
        letter-spacing: 0.5px;
    }
    
    .slide-slogan {
        font-size: 0.9rem;
        padding: 6px 20px;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .slider-dots {
        bottom: 20px;
    }
    
    .slider-dot {
        width: 10px;
        height: 10px;
    }
}

/* 优势展示区样式 */
.advantages {
    padding: 50px 0;
    background-color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 30px;
}

.advantage-card {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    margin-bottom: 20px;
    color: #e63946;
}

.advantage-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
}

.advantage-card p {
    color: #666;
}

/* 通用 section 样式 */
section {
    padding: 50px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #e63946;
}

/* 工厂介绍样式 */
.factory-intro {
    background-color: #f8f9fa;
    padding: 100px 0;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
}

.intro-text p {
    margin-bottom: 20px;
}

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

.section-subtitle {
    font-size: 1.8rem;
    margin-bottom: 40px;
    color: #333;
    text-align: center;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #e63946;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.btn:hover {
    background-color: #c1121f;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(230, 57, 70, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #e63946;
    border: 2px solid #e63946;
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: #e63946;
    color: #fff;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

/* 产品展示区样式 */
.products {
    background-color: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 250px;
    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(1.1);
}

.product-info {
    padding: 25px;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.product-description {
    margin-bottom: 20px;
    color: #666;
    font-size: 0.95rem;
}

.product-link {
    display: inline-block;
    color: #e63946;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.product-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #e63946;
    transition: width 0.3s ease;
}

.product-link:hover::after {
    width: 100%;
}

/* 关于公司区样式 */
.about {
    background-color: #fff;
}

.workshop-section {
    margin-bottom: 80px;
}

.workshop-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.workshop-item {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.workshop-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.workshop-image {
    height: 250px;
    overflow: hidden;
}

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

.workshop-item:hover .workshop-image img {
    transform: scale(1.1);
}

.workshop-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.workshop-info h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #e63946;
    font-weight: 600;
}

.workshop-info p {
    margin-bottom: 20px;
    color: #666;
    flex: 1;
}

.workshop-link {
    display: inline-block;
    color: #e63946;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.workshop-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #e63946;
    transition: width 0.3s ease;
}

.workshop-link:hover::after {
    width: 100%;
}

/* 公司文化时间线样式 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #e63946;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-content::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: #fff;
    border: 4px solid #e63946;
    border-radius: 50%;
    top: 30px;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    right: -13px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    left: -13px;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.timeline-image {
    height: 200px;
    overflow: hidden;
    border-radius: 5px;
}

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

.timeline-item:hover .timeline-image img {
    transform: scale(1.1);
}

.timeline-info h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #e63946;
    font-weight: 600;
}

.timeline-info p {
    margin-bottom: 20px;
    color: #666;
}

.timeline-link {
    display: inline-block;
    color: #e63946;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.timeline-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #e63946;
    transition: width 0.3s ease;
}

.timeline-link:hover::after {
    width: 100%;
}

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

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    align-items: start;
}

.contact-info {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

.contact-info p {
    margin-bottom: 15px;
    color: #666;
}

.contact-buttons {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.contact-map {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-map h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

.map-placeholder {
    height: 300px;
    border-radius: 5px;
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #ffd700;
    font-weight: 600;
}

.footer-logo p {
    color: #ccc;
    margin-bottom: 20px;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #ffd700;
    font-weight: 600;
}

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

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

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

.footer-links a:hover {
    color: #ffd700;
}

.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #ffd700;
    font-weight: 600;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #555;
    color: #ccc;
}

.footer-bottom a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.beian-icon img {
    vertical-align: middle;
    margin-right: 8px;
    width: 24px;
    height: 28px;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 40px;
    border-radius: 10px;
    width: 90%;
    max-width: 900px;
    position: relative;
    animation: slideIn 0.3s ease;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #e63946;
}

.modal-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.product-detail-image,
.workshop-detail-image,
.culture-detail-image {
    position: relative;
}

.product-image-slider,
.workshop-image-slider,
.culture-image-slider {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 5px;
}

.product-slider-wrapper,
.workshop-slider-wrapper,
.culture-slider-wrapper {
    display: flex;
    transition: transform 0.5s ease;
    height: 100%;
}

.product-slide,
.workshop-slide,
.culture-slide {
    min-width: 100%;
    height: 100%;
}

.product-slide img,
.workshop-slide img,
.culture-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-slider-btn,
.workshop-slider-btn,
.culture-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    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;
    z-index: 10;
}

.product-slider-btn:hover,
.workshop-slider-btn:hover,
.culture-slider-btn:hover {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.product-slider-btn-left,
.workshop-slider-btn-left,
.culture-slider-btn-left {
    left: 20px;
}

.product-slider-btn-right,
.workshop-slider-btn-right,
.culture-slider-btn-right {
    right: 20px;
}

.product-slider-dots,
.workshop-slider-dots,
.culture-slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

.product-slider-dot.active,
.workshop-slider-dot.active,
.culture-slider-dot.active {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

.product-detail-info h2,
.workshop-detail-info h2,
.culture-detail-info h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #e63946;
    font-weight: 600;
}

.product-detail-info p,
.workshop-detail-info p,
.culture-detail-info p {
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media screen and (max-width: 992px) {
    .hero-content h2 {
        font-size: 2.8rem;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding: 10px 20px;
    }
    
    .timeline-content::after {
        left: -13px !important;
    }
    
    .timeline::after {
        left: 10px;
    }
}

@media screen and (max-width: 768px) {
    .navbar .container {
        padding: 10px 20px;
    }
    
    .nav-container {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-container.active {
        transform: translateY(0);
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
        margin-left: 0;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .language-switch {
        margin-left: 0;
        margin-top: 10px;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .slide {
        height: 400px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .workshop-content {
        grid-template-columns: 1fr;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .slide {
        height: 300px;
    }
    
    .product-image-slider,
    .workshop-image-slider,
    .culture-image-slider {
        height: 300px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1.4rem;
    }
    
    .advantage-card,
    .product-card,
    .workshop-item,
    .contact-info,
    .contact-map {
        padding: 20px;
    }
}

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 品牌展示区样式 */
.brands {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.brands .container {
    text-align: center;
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.brand-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.brand-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.brand-logo {
    max-width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand-item:hover .brand-logo img {
    transform: scale(1.1);
}

/* 微信二维码模态框样式 */
.wechat-qrcode {
    text-align: center;
    padding: 20px;
}

.wechat-qrcode h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #333;
}

.wechat-qrcode p {
    margin-bottom: 30px;
    color: #666;
    font-size: 1.1rem;
}

.qrcode-image {
    margin: 30px 0;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.qrcode-image img {
    max-width: 300px;
    height: auto;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #e63946;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c1121f;
}

/* 图片懒加载样式 */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

/* 响应式设计 - 品牌展示区 */
@media screen and (max-width: 768px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }
    
    .brand-item {
        padding: 20px;
        min-height: 120px;
    }
    
    .brand-logo img {
        max-width: 120px;
        max-height: 60px;
    }
}

@media screen and (max-width: 480px) {
    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
    }
    
    .brand-item {
        padding: 15px;
        min-height: 100px;
    }
    
    .brand-logo img {
        max-width: 100px;
        max-height: 50px;
    }
}

/* 响应式设计 - Hero 内容 */
@media screen and (max-width: 992px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content {
        padding: 20px 30px;
    }
}

@media screen and (max-width: 768px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content {
        padding: 15px 20px;
        max-width: 90%;
    }
}

@media screen and (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content {
        padding: 10px 15px;
    }
}

/* 响应式设计 - OEM 服务 */
@media screen and (max-width: 768px) {
    .oem-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .oem-item {
        padding: 30px;
    }
}

/* 品牌球形动画样式 */
.brands-sphere-container {
    position: relative;
    width: 100%;
    height: 450px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    margin-top: 30px;
}

.brands-sphere {
    position: relative;
    width: 450px;
    height: 450px;
    transform-style: preserve-3d;
    animation: rotate 20s linear infinite;
    cursor: grab;
}

.brands-sphere:active {
    cursor: grabbing;
}

.brand-sphere-item {
    position: absolute;
    width: 90px;
    height: 90px;
    left: 50%;
    top: 50%;
    transform-origin: center;
}

.brand-sphere-logo {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 10px;
}

.brand-sphere-logo:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background-color: rgba(255, 255, 255, 1);
}

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

@keyframes rotate {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(10deg);
    }
}

/* 响应式设计 - 品牌球形 */
@media screen and (max-width: 768px) {
    .brands-sphere-container {
        height: 400px;
    }
    
    .brands-sphere {
        width: 300px;
        height: 300px;
    }
    
    .brand-sphere-item {
        width: 60px;
        height: 60px;
    }
}

@media screen and (max-width: 480px) {
    .brands-sphere-container {
        height: 300px;
    }
    
    .brands-sphere {
        width: 250px;
        height: 250px;
    }
    
    .brand-sphere-item {
        width: 50px;
        height: 50px;
    }
}