:root {
    --color-primary: #b8860b; /* 暗金黄色，更优雅 */
    --color-secondary: #c9a02a;
    --color-dark: #1a1a1a;
    --color-light: #fdfdfd;
    --color-gray: #666;
    --color-white: #ffffff;
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Noto Sans TC', sans-serif;
    --transition-speed: 300ms;
}

/* --- 全局重置和基础样式 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background-color: var(--color-light);
    color: var(--color-dark);
    line-height: 1.6;
}

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

h1, h2, h3 {
    font-family: var(--font-primary);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed) ease;
}

ul {
    list-style: none;
}

.btn {
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: #a0740a;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 50px;
    color: var(--color-dark);
}

/* --- 头部 --- */
.main-header {
    background-color: transparent;
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: background-color var(--transition-speed) ease, top var(--transition-speed) ease;
    height: 130px;
}

.main-header:hover {
    background-color: #fff;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 130px;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed) ease;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-actions .icon-link img {
    width: 24px;
    height: 24px;
    opacity: 0.7;
    transition: opacity var(--transition-speed);
}

.header-actions .icon-link:hover img {
    opacity: 1;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 22px;
    position: relative;
}
.mobile-menu-toggle span {
    display: block;
    background-color: var(--color-dark);
    height: 2px;
    width: 100%;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}
.mobile-menu-toggle span:nth-child(1) { top: 0; }
.mobile-menu-toggle span:nth-child(2) { top: 10px; }
.mobile-menu-toggle span:nth-child(3) { bottom: 0; }

/* 移动端菜单样式 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 130px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 999;
}
.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.mobile-nav ul li a {
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: background-color var(--transition-speed);
}
.mobile-nav ul li a:hover {
    background-color: #f0f0f0;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    color: var(--color-white);
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
    animation: fadeInDown 1s ease-out;
}

.hero h1, .hero h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.slide-controls {
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    z-index: 3;
}
.prev-slide, .next-slide {
    background-color: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}
.prev-slide:hover, .next-slide:hover {
    background-color: rgba(255,255,255,0.4);
}

/* --- Featured Collections --- */
.featured-collections {
    padding: 80px 0;
}

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

.collection-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.collection-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.collection-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-speed) ease;
}

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

.collection-card h3 {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: var(--color-white);
    font-size: 1.8rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

/* --- Category Showcase --- */
.category-showcase {
    padding: 80px 0;
    background-color: #f9f9f9;
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.category-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 500px;
}
.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.category-card:hover img {
    transform: scale(1.1);
}
.category-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
    text-align: center;
}
.category-info h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}
.btn-explore {
    background-color: rgba(255,255,255,0.2);
    padding: 8px 20px;
    border-radius: 20px;
    display: inline-block;
    transition: background-color var(--transition-speed);
}
.category-card:hover .btn-explore {
    background-color: var(--color-primary);
    color: white;
}

/* --- CTA Section --- */
.cta-section {
    padding: 60px 0;
    background-color: var(--color-dark);
    color: var(--color-white);
    text-align: center;
}
.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}
.cta-section p {
    margin-bottom: 30px;
    color: #ccc;
}
.cta-section .btn-secondary {
    color: var(--color-white);
    border-color: var(--color-white);
}
.cta-section .btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
}

/* --- Footer --- */
.main-footer-section {
    background-color: var(--color-dark);
    color: #ccc;
    padding: 60px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-column h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-family: var(--font-secondary);
    font-weight: 700;
}
.footer-column ul li {
    margin-bottom: 10px;
}
.footer-column ul a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}
.service-time { font-size: 0.9rem; color: #999; }

.newsletter-form {
    display: flex;
    margin-bottom: 20px;
}
.newsletter-form input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #444;
    background-color: #333;
    color: white;
    border-radius: 5px 0 0 5px;
    outline: none;
}
.newsletter-form button {
    padding: 10px 15px;
    border: none;
    background-color: var(--color-primary);
    color: white;
    cursor: pointer;
    border-radius: 0 5px 5px 0;
}
.social-links {
    display: flex;
    gap: 15px;
}
.social-links img {
    width: 24px;
    height: 24px;
    opacity: 0.8;
    transition: opacity var(--transition-speed);
}
.social-links a:hover img {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
}
.footer-bottom ul {
    display: flex;
    gap: 20px;
}

/* --- Animation --- */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* --- Responsive --- */
@media (max-width: 992px) {
    .main-nav, .header-actions {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .header-content.menu-open .mobile-menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    .header-content.menu-open .mobile-menu-toggle span:nth-child(2) {
        opacity: 0;
    }
    .header-content.menu-open .mobile-menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    .mobile-nav.active {
        display: block;
    }
    .category-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title { font-size: 2.2rem; }
    .hero h1, .hero h2 { font-size: 2.5rem; }
    .footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}