* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f8f8;
    color: #333;
    line-height: 1.6;
}

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

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #000;
    letter-spacing: 2px;
}

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

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #000;
    font-weight: bold;
}

.admin-link {
    background-color: #000;
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: normal;
}

.admin-link:hover {
    background-color: #333;
}

.nav-menu a[href="index.html"]:last-child {
    color: #2196F3;
    font-weight: bold;
}

.nav-menu a[href="index.html"]:last-child:hover {
    color: #0b7dda;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-btn {
    background: none;
    border: none;
    color: #666;
    font-size: 13px;
    cursor: pointer;
    transition: color 0.3s;
}

.lang-btn:hover {
    color: #000;
}

.lang-btn.active {
    color: #000;
    font-weight: bold;
}

.language-switcher span {
    color: #ddd;
}

/* 产品弹窗 */
.product-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow-y: auto;
    padding: 20px;
}

.modal-content {
    background-color: #fff;
    max-width: 1200px;
    margin: 20px auto;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #000;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    z-index: 10001;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background-color: #fff;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 60px;
}

.modal-images {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-image-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.main-image-container img {
    width: 100%;
    height: auto;
    cursor: pointer;
    display: block;
}

.main-image-container img:hover {
    opacity: 0.95;
}

.modal-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.modal-gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    background-color: #f5f5f5;
}

.gallery-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.gallery-thumb:hover {
    opacity: 0.8;
}

.gallery-thumb-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 4px;
    text-align: center;
    font-size: 11px;
}

.modal-info {
    display: flex;
    flex-direction: column;
}

.modal-series {
    display: inline-block;
    background-color: #f5f5f5;
    color: #666;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 15px;
    width: fit-content;
}

.modal-info h2 {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 20px;
    color: #000;
}

.modal-description {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 30px;
}

.product-specs {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.spec-item {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

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

.spec-label {
    font-weight: 500;
    color: #333;
    min-width: 120px;
}

.spec-value {
    color: #666;
    flex: 1;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.modal-actions .contact-btn {
    background-color: #000;
    color: #fff;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    flex: 1;
}

.modal-actions .contact-btn:hover {
    background-color: #333;
}

/* 选项卡样式 */
.admin-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
}

.tab-btn:hover {
    color: #000;
}

.tab-btn.active {
    color: #000;
    font-weight: bold;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #000;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 响应式 - 产品弹窗 */
@media (max-width: 768px) {
    .modal-body {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px;
    }
    
    .modal-gallery {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .modal-info h2 {
        font-size: 24px;
    }
    
    .product-specs {
        padding: 20px;
    }
    
    .spec-item {
        flex-direction: column;
        gap: 5px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .modal-content {
        margin: 10px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .admin-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 50%;
        padding: 12px 15px;
    }
}

/* 页面标题 */
.page-header {
    background-color: #fff;
    padding: 60px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 300;
}

.page-header p {
    color: #999;
    font-size: 14px;
}

/* 产品区域 */
.product-section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

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

/* 产品卡片 */
.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
    cursor: pointer;
}

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

.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h3 {
    font-size: 16px;
    font-weight: normal;
    margin-bottom: 8px;
    color: #333;
}

.product-info p {
    font-size: 13px;
    color: #999;
}

/* 页脚 */
.footer {
    background-color: #fff;
    padding: 30px 20px;
    text-align: center;
    margin-top: 60px;
    border-top: 1px solid #eee;
}

.footer p {
    color: #999;
    font-size: 13px;
}

/* 关于页面样式 */
.about-content {
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
}

.about-section {
    margin-bottom: 50px;
}

.about-section h2 {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #000;
}

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

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    font-size: 16px;
    color: #666;
}

.feature-list li strong {
    color: #000;
    margin-right: 10px;
}

.advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: transform 0.3s;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background-color: #000;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: bold;
}

.advantage-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: normal;
}

.advantage-item p {
    font-size: 14px;
    color: #999;
}

/* 联系页面样式 */
.contact-content {
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2,
.contact-form-section h2 {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #000;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 24px;
    margin-right: 20px;
    min-width: 30px;
}

.contact-text h3 {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: normal;
}

.contact-text p {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000;
}

.submit-btn {
    background-color: #000;
    color: #fff;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #333;
}

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

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-header h1 {
        font-size: 24px;
    }
    
    .about-content {
        padding: 30px;
    }
    
    .contact-content {
        padding: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .about-content,
    .contact-content {
        padding: 20px;
    }
}

/* 管理页面样式 */
.admin-content {
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.admin-section {
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f0f0;
}

.admin-section:last-of-type {
    border-bottom: none;
}

.admin-section h2 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #000;
}

.i18n-info {
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid #2196F3;
}

.i18n-info p {
    margin: 0;
    color: #1976d2;
    font-size: 14px;
    line-height: 1.5;
}

.series-item {
    background-color: #f9f9f9;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.series-header {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.series-name-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    background-color: #fff;
}

.delete-series-btn {
    padding: 10px 20px;
    background-color: #ff4444;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.delete-series-btn:hover {
    background-color: #cc0000;
}

.images-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.image-item {
    display: flex;
    gap: 15px;
    background-color: #fff;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #e0e0e0;
    align-items: flex-start;
}

.image-preview {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background-color: #f5f5f5;
}

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

.image-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.image-info input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.image-info input:focus {
    outline: none;
    border-color: #000;
}

.i18n-note {
    margin-top: 10px;
    padding: 10px;
    background-color: #e3f2fd;
    border-radius: 4px;
    font-size: 12px;
    color: #1976d2;
    font-weight: 500;
}

.delete-image-btn {
    padding: 8px 15px;
    background-color: #ff4444;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 0;
}

.delete-image-btn:hover {
    background-color: #cc0000;
}

.add-image-btn,
.add-series-btn {
    padding: 12px 24px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.add-image-btn:hover,
.add-series-btn:hover {
    background-color: #45a049;
}

.admin-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
}

.save-btn,
.preview-btn,
.reset-btn {
    padding: 15px 30px;
    font-size: 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.save-btn {
    background-color: #2196F3;
    color: #fff;
}

.save-btn:hover {
    background-color: #0b7dda;
}

.preview-btn {
    background-color: #4CAF50;
    color: #fff;
}

.preview-btn:hover {
    background-color: #45a049;
}

.reset-btn {
    background-color: #ff9800;
    color: #fff;
}

.reset-btn:hover {
    background-color: #f57c00;
}

/* 管理页面响应式 */
@media (max-width: 768px) {
    .admin-content {
        padding: 30px;
    }
    
    .series-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .image-item {
        flex-direction: column;
    }
    
    .image-preview {
        width: 100%;
        height: 200px;
    }
    
    .admin-actions {
        flex-direction: column;
    }
    
    .save-btn,
    .preview-btn,
    .reset-btn {
        width: 100%;
    }
}

/* 产品详情页样式 */
.product-detail {
    background-color: #fff;
    padding: 60px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.back-btn {
    background-color: #f5f5f5;
    color: #333;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 30px;
    transition: all 0.3s;
}

.back-btn:hover {
    background-color: #e0e0e0;
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.detail-main-image {
    position: relative;
}

.detail-main-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s;
}

.detail-main-image img:hover {
    transform: scale(1.02);
}

.zoom-hint {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 13px;
    pointer-events: none;
}

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

.series-tag {
    display: inline-block;
    background-color: #f5f5f5;
    color: #666;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 20px;
    width: fit-content;
}

.detail-info h1 {
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 20px;
    color: #000;
}

.description {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 40px;
}

.detail-actions {
    display: flex;
    gap: 15px;
}

.contact-btn,
.back-list-btn {
    padding: 15px 30px;
    font-size: 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-btn {
    background-color: #000;
    color: #fff;
}

.contact-btn:hover {
    background-color: #333;
}

.back-list-btn {
    background-color: #f5f5f5;
    color: #333;
}

.back-list-btn:hover {
    background-color: #e0e0e0;
}

.detail-gallery {
    margin-top: 60px;
}

.detail-gallery h2 {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #000;
}

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

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background-color: #f5f5f5;
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.gallery-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 10px;
    text-align: center;
    font-size: 13px;
}

/* 灯箱样式 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 20000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

.close-lightbox {
    position: absolute;
    top: -50px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-lightbox:hover {
    color: #999;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
    border: none;
    font-size: 40px;
    padding: 20px 10px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 20001;
    user-select: none;
}

.lightbox-nav:hover {
    background-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.lightbox-prev {
    left: 10px;
}

.lightbox-next {
    right: 10px;
}

.lightbox-counter {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
}

/* 产品详情页响应式 */
@media (max-width: 768px) {
    .product-detail {
        padding: 30px;
    }
    
    .detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .detail-info h1 {
        font-size: 28px;
    }
    
    .detail-actions {
        flex-direction: column;
    }
    
    .contact-btn,
    .back-list-btn {
        width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .product-detail {
        padding: 20px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-info h1 {
        font-size: 24px;
    }
}