* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #fefefe;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 0 5%;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: #222;
    text-decoration: none;
}

.logo span {
    font-weight: 600;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 40px;
}

nav ul li a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a:hover {
    color: #b89d7a;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 0;
    background-color: #b89d7a;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

.active a {
    color: #b89d7a;
}

.main-content {
    margin-top: 80px;
}

.hero {
    height: 90vh;
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), 
                url('https://images.unsplash.com/photo-1490481651871-ab68de25d43d?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 5px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    font-weight: 300;
    letter-spacing: 1px;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: transparent;
    color: white;
    border: 1px solid white;
    text-decoration: none;
    font-size: 1rem;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background-color: white;
    color: #222;
}

.section {
    padding: 100px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: #222;
    margin-bottom: 15px;
}

.section-title p {
    color: #777;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.gallery-item {
    overflow: hidden;
    position: relative;
    height: 400px;
    cursor: pointer;
}

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

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

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 30px 20px 20px;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-item-overlay h3 {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.gallery-item-overlay p {
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.9;
}

.collection-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 60px;
}

.category-btn {
    padding: 12px 28px;
    background-color: transparent;
    border: 1px solid #ddd;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    font-size: 0.95rem;
}

.category-btn.active, .category-btn:hover {
    background-color: #f5f5f5;
    border-color: #b89d7a;
    color: #b89d7a;
}

.product-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
}

.product-image {
    flex: 1;
    min-width: 300px;
    height: 600px;
}

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

.product-info {
    flex: 1;
    min-width: 300px;
}

.product-info h3 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: #222;
}

.product-info p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.8;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.meta-item h4 {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.meta-item p {
    color: #555;
    font-weight: 500;
}

footer {
    background-color: #f9f9f9;
    padding: 50px 5% 30px;
    text-align: center;
    margin-top: 100px;
}

footer p {
    color: #999;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.page {
    display: none;
    animation: fadeIn 0.8s ease;
}

.page.active {
    display: block;
}

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

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 15px 0;
    }
    
    nav ul {
        margin-top: 15px;
    }
    
    nav ul li {
        margin: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 70px 5%;
    }
    
    .product-detail {
        flex-direction: column;
    }
    
    .product-image {
        height: 450px;
    }
    
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
}