/* 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: #f8f8f8;
}

.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: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.navbar-brand a {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: #333;
}

.brand-tagline {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

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

.lang-btn {
    text-decoration: none;
    color: #666;
    margin-left: 15px;
    font-size: 14px;
    transition: color 0.3s ease;
}

.lang-btn:hover, .lang-btn.active {
    color: #d4af37;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

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

/* 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%20workshop%20handmade%20craftsmanship%20elegant%20lighting&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    font-weight: 300;
}

.btn-primary {
    display: inline-block;
    background-color: #d4af37;
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 2px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #b89427;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* 品牌价值主张 */
.value-proposition {
    padding: 100px 0;
    background-color: #fff;
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.value-card {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.value-icon {
    width: 80px;
    height: 80px;
    background-color: #d4af37;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.value-card p {
    color: #666;
    line-height: 1.6;
}

/* 核心产品分类 */
.product-categories {
    padding: 100px 0;
    background-color: #f8f8f8;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: #d4af37;
    margin: 20px auto;
}

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

.category-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.category-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.category-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    margin: 20px;
    color: #333;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #d4af37;
    padding: 10px 20px;
    text-decoration: none;
    border: 1px solid #d4af37;
    border-radius: 2px;
    font-weight: 500;
    margin: 0 20px 20px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #d4af37;
    color: #fff;
}

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

.craft-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.craft-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: #d4af37;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.craft-step h3 {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

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

/* 客户评价 */
.testimonials {
    padding: 100px 0;
    background-color: #f8f8f8;
}

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

.testimonial-item {
    padding: 40px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #666;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-info h4 {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
}

.author-info p {
    font-size: 14px;
    color: #999;
}

/* 联系CTA */
.contact-cta {
    padding: 100px 0;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=luxury%20jewelry%20display%20elegant%20showcase&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    text-align: center;
    color: #fff;
}

.contact-cta h2 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-cta p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    margin-bottom: 20px;
    color: #d4af37;
}

.footer-section p {
    margin-bottom: 15px;
    opacity: 0.8;
}

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

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

.footer-section ul li a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #d4af37;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        flex-direction: column;
        align-items: center;
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 999;
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        margin-bottom: 20px;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .language-switch {
        margin: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 28px;
    }

    .value-proposition,
    .product-categories,
    .craftsmanship,
    .testimonials,
    .contact-cta {
        padding: 60px 0;
    }

    .craft-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .craft-steps {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}