/* 语言切换器样式 */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 30px;
    padding-left: 30px;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.lang-link,
.lang-btn {
    color: #1a1a1a;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    font-weight: 500;
}

.lang-link:hover,
.lang-btn:hover {
    background: rgba(26, 115, 232, 0.1);
    color: #1a73e8;
}

.lang-separator {
    color: rgba(0, 0, 0, 0.3);
    margin: 0 8px;
}

.lang-active {
    color: #1a73e8;
    font-weight: bold;
    padding: 8px 12px;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%) !important;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e1e8ed;
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 强制设置导航栏背景 */
body nav.navbar,
nav.navbar {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%) !important;
    background-color: #ffffff !important;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    color: #1a1a1a !important;
    font-size: 24px;
    font-weight: bold;
    background: transparent !important;
}

.nav-brand img {
    height: auto;
    max-height: 50px;
    width: auto;
    max-width: 200px;
    margin-right: 0;
    background: transparent !important;
    background-color: transparent !important;
    object-fit: contain;
    display: block;
    vertical-align: middle;
}

.nav-brand img {
    height: auto;
    max-height: 50px;
    width: auto;
    max-width: 200px;
    margin-right: 0;
    background: transparent !important;
    background-color: transparent !important;
    object-fit: contain;
    display: block;
    vertical-align: middle;
}

.nav-brand span {
    color: white !important;
    display: none;
}

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

.nav-links a {
    color: #1a1a1a !important;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(0, 0, 0, 0.1) !important;
    color: #1a1a1a !important;
    font-weight: bold;
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #f8fbff 0%, #e8f0fe 100%);
    color: #1a1a1a;
    padding: 120px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #ff6d00;
    color: white;
}

.btn-primary:hover {
    background: #ff8c00;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #ffffff;
    color: #1a73e8;
    border: 2px solid #1a73e8;
}

.btn-secondary:hover {
    background: #f8fbff;
    transform: translateY(-2px);
}

.btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* 章节样式 */
.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-color);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.products-section,
.contact-section {
    padding: 80px 0;
}

/* 分类卡片样式 */
.category-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.category-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    color: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    cursor: pointer;
    border: 1px solid #e1e8ed;
    transition: all 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #1a73e8;
}
    transition: all 0.3s;
    text-align: center;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.category-card i {
    font-size: 40px;
    margin-bottom: 15px;
}

.category-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.category-card p {
    font-size: 14px;
    opacity: 0.9;
}

.category-subcategories {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.subcategory-tag {
    font-size: 12px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    white-space: nowrap;
}

/* 产品筛选按钮样式 */
.products-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* 搜索框样式 */
.search-box {
    max-width: 600px;
    margin: 0 auto 30px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 20px;
    padding-right: 50px;
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    font-size: 16px;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color);
}

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

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 200px;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.product-info p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.product-price {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

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

.badge-hot {
    background: #ff6d00;
}

.badge-new {
    background: #4caf50;
}

.badge-recommended {
    background: #9c27b0;
}

/* 联系信息样式 */
.contact-section {
    background: var(--light-color);
}

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

.contact-right {
    background: white;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    padding: 40px;
    max-width: 700px;
    width: 100%;
}

.contact-form-box {
    margin-bottom: 40px;
}

.contact-form-box h3 {
    font-size: 24px;
    color: var(--dark-color);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.contact-info-text h3 {
    font-size: 24px;
    color: var(--dark-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.contact-info-text p {
    margin-bottom: 15px;
    color: var(--gray-color);
    line-height: 1.8;
    font-size: 16px;
}

.contact-info-text p strong {
    color: var(--dark-color);
    font-weight: 600;
    min-width: 80px;
    display: inline-block;
}

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

.contact-item i {
    font-size: 28px;
    color: var(--primary-color);
    flex-shrink: 0;
    width: 40px;
}

.contact-details h4 {
    font-size: 16px;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 联系表单样式 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-form .form-group label {
    font-weight: 500;
    color: var(--dark-color);
}

.contact-form .form-group input,
.contact-form .form-group textarea,
.contact-form .form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background: white;
    cursor: pointer;
}

.contact-form .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.contact-form .form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.contact-form button {
    width: 100%;
    padding: 14px 30px;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.contact-form button i {
    font-size: 16px;
}

.required {
    color: #f44336;
}

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

.contact-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.contact-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-item h4 {
    margin-bottom: 10px;
}

/* 微信二维码样式 */
.wechat-item {
    grid-column: span 1;
}

.wechat-qrcode-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
}

.wechat-qrcode-container img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid var(--light-gray);
}

/* 页脚样式 */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* 备案信息展示样式 */
.filing-info-display {
    padding: 20px 0;
    margin-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.filing-info-display p {
    margin: 8px 0;
    font-size: 13px;
    color: #999;
    transition: color 0.2s;
}

.filing-info-display p a {
    color: #999;
    text-decoration: none;
    transition: color 0.2s;
}

.filing-info-display p a:hover {
    color: #667eea;
    text-decoration: underline;
}

.filing-info-display p a:active {
    color: #5568d3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .filing-info-display {
        padding: 15px 0;
    }
    
    .filing-info-display p {
        font-size: 12px;
        margin: 6px 0;
    }
}

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

.modal.active {
    display: block;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    position: relative;
    animation: slideDown 0.3s ease;
}

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

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 30px;
    cursor: pointer;
    color: var(--gray-color);
    transition: all 0.3s;
}

.close:hover {
    color: var(--dark-color);
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--light-gray);
    border-radius: 5px;
    font-size: 16px;
}

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

.error-message {
    color: #f44336;
    margin-bottom: 15px;
    font-size: 14px;
}

/* 管理面板样式 */
.admin-section {
    padding: 60px 0;
    background: var(--light-color);
}

.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--light-gray);
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: white;
    cursor: pointer;
    font-size: 16px;
    color: var(--gray-color);
    position: relative;
    transition: all 0.3s;
    border-radius: 4px;
}

.admin-tabs .tab-btn.active {
    background-color: var(--primary-color);
    color: white !important;
    font-weight: bold;
}

.admin-tabs .tab-btn:hover {
    background-color: rgba(102, 126, 234, 0.1);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    display: none;
}

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

/* 仪表板统计卡片样式 */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.stat-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h4 {
    font-size: 36px;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.stat-card p {
    color: var(--gray-color);
}

/* 产品详情模态框样式 */
.product-modal {
    max-width: 900px;
}

.product-modal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.product-images .main-image {
    background: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
}

.product-images .main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-images .thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    overflow-x: auto;
}

.product-images .thumbnails img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.product-images .thumbnails img:hover {
    border-color: var(--primary-color);
}

.product-images .thumbnails img.active {
    border-color: var(--primary-color);
}

.product-details h2 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.product-details .model {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 20px;
}

.product-details .description {
    line-height: 1.8;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.product-features,
.product-specs {
    margin-bottom: 20px;
}

.product-features h3,
.product-specs h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.product-features ul,
.product-specs ul {
    list-style: none;
    padding-left: 0;
}

.product-features ul li,
.product-specs ul li {
    padding: 5px 0;
    color: var(--gray-color);
}

.product-features ul li:before,
.product-specs ul li:before {
    content: "•";
    color: var(--primary-color);
    margin-right: 10px;
    font-weight: bold;
}

.product-actions {
    margin-top: 30px;
}

.no-products {
    text-align: center;
    padding: 60px 20px;
}

.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
    font-size: 18px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

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

    .language-switcher {
        margin-left: 0;
        padding-left: 20px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .category-overview {
        grid-template-columns: 1fr;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .contact-right {
        max-width: 100%;
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}