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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* 标题字体 */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #d4af37;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:hover {
    background-color: #b8942a;
    transform: translateY(-2px);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    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 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 700;
    color: #333;
    text-decoration: none;
}

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

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

.nav-links a:hover, .nav-links a.active {
    color: #d4af37;
}

.language-selector {
    display: flex;
    gap: 10px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid #eee;
}

.language-selector a {
    font-size: 14px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
}

/* Hero Banner */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=luxury%20jewelry%20display%2C%20elegant%20setting%2C%20high%20end%20photography&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 28px;
    line-height: 1.4;
    margin-bottom: 30px;
    letter-spacing: 1px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 18px;
    }
}

.hero-content p {
    font-size: 68px;
    margin-bottom: 20px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .hero-content p {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .hero-content p {
        font-size: 36px;
    }
}

/* 产品分类 */
.product-categories {
    padding: 100px 0;
    background-color: white;
}

.product-categories h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.category-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-10px);
}

.category-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.category-card h3 {
    padding: 20px;
    font-size: 20px;
    text-align: center;
}

.category-card .btn {
    display: block;
    margin: 0 20px 20px;
    text-align: center;
}

/* 制造工艺 */
.craftsmanship {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.craftsmanship h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.craftsmanship > p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: #666;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    padding: 30px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #d4af37;
    color: white;
    border-radius: 50%;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

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

.step p {
    color: #666;
    font-size: 14px;
}

/* 合作伙伴价值 */
.partnership {
    padding: 100px 0;
    background-color: white;
}

.partnership h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.partnership-item {
    text-align: center;
    padding: 30px;
}

.partnership-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.partnership-item p {
    color: #666;
    font-size: 14px;
}

/* 客户评价 */
.testimonials {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #666;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.testimonial-author span:first-child {
    font-weight: 600;
    color: #333;
}

.testimonial-author span:last-child {
    font-size: 14px;
    color: #999;
}

/* 联系我们部分 */
.contact-section {
    padding: 100px 0;
    background-color: #333;
    color: white;
    text-align: center;
}

.contact-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.8;
}

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

.contact-section .btn:hover {
    background-color: #f0f0f0;
}

/* 页脚 */
.footer {
    background-color: #222;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.footer-logo p {
    font-size: 14px;
    opacity: 0.7;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #d4af37;
}

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

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

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact p {
    margin-bottom: 10px;
    opacity: 0.7;
    font-size: 14px;
}

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

.social-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
    opacity: 0.7;
}

/* 关于我们页面 */
.about-hero {
    height: 60vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=jewelry%20manufacturing%20factory%2C%20professional%20setting%2C%20high%20quality&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 80px;
}

.about-hero h1 {
    font-size: 48px;
}

.about-section {
    padding: 100px 0;
    background-color: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.timeline {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.timeline h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.timeline-items {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-items::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: #d4af37;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 50px;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    top: 10px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #d4af37;
}

.timeline-item:nth-child(odd)::before {
    right: -10px;
}

.timeline-item:nth-child(even)::before {
    left: -10px;
}

.timeline-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.timeline-content p {
    color: #666;
    font-size: 14px;
}

/* 产品中心页面 */
.products-hero {
    height: 60vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=jewelry%20collection%20display%2C%20luxury%20setting%2C%20high%20quality&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 80px;
}

.products-hero h1 {
    font-size: 48px;
}

.products-section {
    padding: 100px 0;
    background-color: white;
}

.filter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 20px;
}

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

.filter-btn {
    padding: 8px 20px;
    background-color: #f5f5f5;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.filter-btn.active, .filter-btn:hover {
    background-color: #d4af37;
    color: white;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 10px 40px 10px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 14px;
}

.search-box button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.product-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.product-material {
    font-size: 14px;
    color: #999;
    margin-bottom: 15px;
}

.product-card .btn {
    display: block;
    text-align: center;
    font-size: 14px;
    padding: 10px;
}

/* 定制服务页面 */
.custom-hero {
    height: 60vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=custom%20jewelry%20design%2C%20craftsmanship%2C%20high%20quality&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 80px;
}

.custom-hero h1 {
    font-size: 48px;
}

.custom-process {
    padding: 100px 0;
    background-color: white;
}

.custom-process h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.process-steps-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    flex-wrap: wrap;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -15px;
    width: 30px;
    height: 2px;
    background-color: #d4af37;
}

.process-step:last-child::after {
    display: none;
}

.process-step .step-number {
    margin: 0 auto 20px;
}

.custom-capabilities {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.custom-capabilities h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.capability-item {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.capability-item h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.capability-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 联系我们页面 */
.contact-hero {
    height: 60vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=modern%20office%20space%2C%20professional%20setting%2C%20high%20quality&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 80px;
}

.contact-hero h1 {
    font-size: 48px;
}

.contact-section-content {
    padding: 100px 0;
    background-color: white;
}

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

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: #333;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    background-color: #d4af37;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-detail-info h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: #333;
}

.contact-detail-info p {
    color: #666;
    font-size: 14px;
}

.map-container {
    width: 100%;
    height: 300px;
    background-color: #f5f5f5;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 18px;
    }

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

    .timeline-items::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px !important;
        padding-right: 0 !important;
    }

    .timeline-item::before {
        left: 10px !important;
        right: auto !important;
    }

    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .process-steps-horizontal {
        flex-direction: column;
    }

    .process-step::after {
        display: none;
    }

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .product-categories h2,
    .craftsmanship h2,
    .partnership h2,
    .testimonials h2,
    .about-hero h1,
    .products-hero h1,
    .custom-hero h1,
    .contact-hero h1 {
        font-size: 28px;
    }

    .step {
        padding: 20px;
    }

    .testimonial-card {
        padding: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}