/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

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

.header-top {
    background: #f8f9fa;
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

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

.header-top-left {
    display: flex;
    gap: 20px;
}

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

.header-top-left a:hover {
    color: #d4af37;
}

.header-top-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    display: flex;
    gap: 10px;
}

.language-selector span {
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 14px;
}

.language-selector span.active {
    background: #d4af37;
    color: #fff;
}

.appointment, .login {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.appointment:hover, .login:hover {
    color: #d4af37;
}

.cart {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.cart:hover {
    background: #f8f9fa;
}

.cart i {
    color: #d4af37;
    font-size: 18px;
}

.cart-count {
    background: #d4af37;
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.cart-total {
    display: flex;
    flex-direction: column;
    font-size: 12px;
}

.total-amount {
    font-weight: bold;
    color: #d4af37;
}

.header-main {
    padding: 15px 0;
}

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

.logo img {
    height: 50px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.main-nav a:hover {
    color: #d4af37;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4af37;
    transition: width 0.3s;
}

.main-nav a:hover::after {
    width: 100%;
}

/* Promotional Banners */
.promo-banners {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px 0;
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.promo-item {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.promo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.promo-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.4;
}

.learn-more {
    color: #d4af37;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.learn-more:hover {
    color: #b8941f;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #d4af37 0%, #b8941f 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #d4af37;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Jewelry Categories */
.jewelry-categories {
    padding: 80px 0;
    background: #fff;
}

.jewelry-categories h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.category-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.tab-btn {
    background: #f8f9fa;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-btn.active,
.tab-btn:hover {
    background: #d4af37;
    color: #fff;
}

.tab-content {
    display: none;
}

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

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.category-item {
    text-align: center;
    transition: transform 0.3s;
}

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

.category-item img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: box-shadow 0.3s;
}

.category-item:hover img {
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.category-item h3 {
    color: #333;
    font-size: 1.1rem;
}

/* Latest Promotions */
.latest-promotions {
    padding: 80px 0;
    background: #f8f9fa;
}

.latest-promotions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

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

.promotion-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.promotion-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.promotion-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.promotion-content {
    padding: 25px;
}

.promotion-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Natural Diamond Section */
.natural-diamond {
    padding: 80px 0;
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #333;
}

.section-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.nav-link {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #d4af37;
}

.diamond-content {
    max-width: 1000px;
    margin: 0 auto;
}

.diamond-hero {
    text-align: center;
    margin-bottom: 60px;
}

.diamond-hero h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #333;
}

.diamond-hero p {
    font-size: 1.1rem;
    color: #666;
}

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

.feature {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s;
}

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

.feature i {
    font-size: 3rem;
    color: #d4af37;
    margin-bottom: 20px;
}

.feature h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.feature p {
    color: #666;
}

/* Brand Diamond Section */
.brand-diamond {
    padding: 80px 0;
    background: #f8f9fa;
}

.brand-diamond h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.brand-item {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

.brand-content {
    padding: 30px;
    text-align: center;
}

.brand-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

.brand-content p {
    color: #666;
    margin-bottom: 20px;
}

.brand-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.brand-links a {
    color: #d4af37;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.brand-links a:hover {
    color: #b8941f;
}

/* Professional Piercing */
.professional-piercing {
    padding: 80px 0;
    background: #fff;
}

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

.piercing-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.piercing-text h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #d4af37;
}

.piercing-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.piercing-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Gold Service */
.gold-service {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.service-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.service-text h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #d4af37;
}

.service-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.service-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Wedding Services */
.wedding-services {
    padding: 80px 0;
    background: linear-gradient(135deg, #d4af37 0%, #b8941f 100%);
    color: #fff;
    text-align: center;
}

.wedding-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.wedding-content h3 {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.wedding-features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.wedding-features .feature {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.wedding-features .feature i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.wedding-features .feature h4 {
    color: #fff;
    font-size: 1.2rem;
}

/* Member Benefits */
.member-benefits {
    padding: 80px 0;
    background: #fff;
}

.member-benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #333;
}

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

.benefit-item {
    text-align: center;
    padding: 40px 30px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s;
}

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

.benefit-item i {
    font-size: 3rem;
    color: #d4af37;
    margin-bottom: 20px;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.benefit-item p {
    color: #666;
}

/* Footer */
.footer {
    background: #333;
    color: #fff;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #d4af37;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

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

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

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #d4af37;
    color: #fff;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background: #b8941f;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .header-main .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .jewelry-categories h2,
    .latest-promotions h2,
    .natural-diamond .section-header h2,
    .brand-diamond h2,
    .professional-piercing .piercing-text h2,
    .gold-service .service-text h2,
    .wedding-services .wedding-content h2,
    .member-benefits h2 {
        font-size: 2rem;
    }
    
    .piercing-content,
    .service-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .wedding-features {
        flex-direction: column;
        gap: 30px;
    }
    
    .tab-nav {
        flex-wrap: wrap;
    }
    
    .section-nav {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .brand-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .promo-grid,
    .category-grid,
    .promotion-grid,
    .diamond-features,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .main-nav ul {
        gap: 10px;
    }
    
    .main-nav a {
        font-size: 14px;
    }
}