/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局样式 */
:root {
    --primary-color: #8B4513;
    --secondary-color: #D2691E;
    --accent-color: #FFD700;
    --text-primary: #2C1810;
    --text-secondary: #666;
    --text-light: #999;
    --bg-primary: #FFFFFF;
    --bg-secondary: #FFF8DC;
    --bg-dark: #2C1810;
    --border-color: #E5D4B1;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.2);
}

body {
    font-family: 'Noto Serif SC', serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    scroll-behavior: smooth;
}

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

/* 导航栏样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: var(--shadow-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--accent-color);
    font-size: 2.2rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 0.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo h1:hover {
    transform: scale(1.05);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.tagline {
    color: rgba(255, 215, 0, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* 主横幅样式 */
.hero {
    margin-top: 80px;
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2C1810 0%, #8B4513 50%, #D2691E 100%);
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 24, 16, 0.3);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    color: white;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    text-shadow: 3px 3px 6px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #FFE4B5;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-color), #FFA500);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* 特色展示 */
.features {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-item h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    margin: 1.5rem auto;
    border-radius: 2px;
}

/* 天珠文化样式 */
.culture-section {
    background: var(--bg-secondary);
    padding: 5rem 0;
}

.culture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.culture-intro {
    margin-bottom: 2.5rem;
}

.culture-intro h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1rem;
}

.culture-intro h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-color);
}

.culture-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.culture-aspects {
    display: grid;
    gap: 2rem;
}

.aspect-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.aspect-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.aspect-item h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.aspect-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.culture-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
}

/* 精选天珠样式 */
.featured-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #FFF8DC 0%, #FFFFFF 100%);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.featured-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    position: relative;
}

.featured-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.featured-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(139, 69, 19, 0.3);
}

.featured-badge.hot {
    background: linear-gradient(135deg, #ff4757, #ff6348);
}

.featured-badge.new {
    background: linear-gradient(135deg, #00d2d3, #01a3a4);
}

.featured-details {
    padding: 2.5rem;
}

.featured-details h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.featured-details p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.featured-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.featured-specs .spec {
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.btn-contact {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Serif SC', serif;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 69, 19, 0.3);
}

/* 更多天珠按钮样式 */
.featured-more {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 69, 19, 0.1);
}

.more-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.btn-more {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Serif SC', serif;
    position: relative;
    overflow: hidden;
}

.btn-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-more:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.4);
}

.btn-more:hover::before {
    left: 100%;
}

.btn-more:active {
    transform: translateY(-1px);
}

/* 珍品鉴赏样式 */
.gallery-section {
    background: var(--bg-primary);
    padding: 5rem 0;
}

.gallery-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.category-btn {
    background: white;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 0.8rem 1.8rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.gallery-item.hidden {
    display: none;
}

.item-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(44, 24, 16, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .item-overlay {
    opacity: 1;
}

.gallery-item:hover .item-image img {
    transform: scale(1.1);
}

.item-info {
    color: white;
    padding: 1.5rem;
    width: 100%;
}

.item-info h4 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.item-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.item-era {
    background: var(--accent-color);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

.item-details {
    padding: 2rem;
}

.item-details h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.item-details p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.item-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.spec {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* 收藏知识样式 - 优化版 */
.knowledge-section {
    background: var(--bg-secondary);
    padding: 5rem 0;
}

.knowledge-content {
    margin-top: 2rem;
    margin-bottom: 4rem; /* 增加底部间距，为页脚留出空间 */
}

.knowledge-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s ease;
    position: relative;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
    animation: slideIn 0.2s ease;
}

.tab-content {
    max-width: 900px;
    margin: 0 auto;
}

.tab-pane {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.tab-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tab-pane h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.knowledge-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.knowledge-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.knowledge-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.knowledge-item:hover::before {
    opacity: 1;
}

.knowledge-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.knowledge-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 优化动画性能 */
@keyframes slideIn {
    from {
        transform: scaleX(0);
        opacity: 0;
    }
    to {
        transform: scaleX(1);
        opacity: 1;
    }
}

/* 预渲染优化 */
.knowledge-item {
    will-change: transform;
    contain: layout style paint;
}

/* 关于我们样式 */
.about-section {
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.about-intro h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-intro p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.team-section h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.team-member {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.member-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h5 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.about-values h4 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.value-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: var(--bg-secondary);
}

.value-item h5 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.value-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
}

/* 联系方式样式 */
.contact-section {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.contact-note {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: italic;
}

.consultation-info {
    display: grid;
    gap: 2rem;
}

.consultation-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    border-left: 5px solid var(--accent-color);
}

.consultation-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.consultation-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-list li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.appointment-note {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.appointment-note p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.visit-info {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.visit-info h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.visit-details {
    display: grid;
    gap: 1rem;
}

.visit-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.visit-item:last-child {
    border-bottom: none;
}

.visit-item strong {
    color: var(--primary-color);
}

.visit-item span {
    color: var(--text-secondary);
}

/* 页脚样式 - 优雅版 */
.footer {
    background: linear-gradient(135deg, #1a0f08 0%, #2C1810 100%);
    color: #ccc;
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1.2rem;
    font-weight: 600;
    position: relative;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
    opacity: 0.7;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer-motto {
    font-style: italic;
    color: var(--text-light);
    margin-top: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1rem;
}

.footer-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1.2rem;
    line-height: 1;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-section a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
    transform: translateY(-1px);
}

.footer-section a:hover::after {
    width: 100%;
}

.social-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(10px);
}

.social-info p {
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-info strong {
    color: var(--accent-color);
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding: 2.5rem 0 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.copyright-note {
    font-size: 0.85rem;
    opacity: 0.7;
    font-style: italic;
}

/* 装饰性背景元素 */
.footer::after {
    content: '🏛️';
    position: absolute;
    top: 50%;
    right: 5%;
    font-size: 8rem;
    opacity: 0.05;
    transform: translateY(-50%);
    pointer-events: none;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式设计 - 平板端优化 */
@media (max-width: 992px) {
    .culture-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* 响应式设计 - 手机端优化 */
@media (max-width: 768px) {
    /* 导航栏优化 */
    .hamburger {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        cursor: pointer;
        z-index: 1001;
        background: rgba(255, 215, 0, 0.2);
        border-radius: 10px;
        border: 2px solid var(--accent-color);
        transition: all 0.3s ease;
    }

    .hamburger:hover {
        background: rgba(255, 215, 0, 0.3);
        transform: scale(1.05);
    }

    .hamburger span {
        width: 25px;
        height: 3px;
        background-color: var(--accent-color);
        margin: 3px 0;
        transition: 0.3s;
        border-radius: 3px;
        box-shadow: 0 1px 2px rgba(0,0,0,0.3);
    }

    .hamburger-label {
        font-size: 10px;
        color: var(--accent-color);
        font-weight: 600;
        margin-top: 2px;
        text-shadow: 0 1px 2px rgba(0,0,0,0.5);
        letter-spacing: 0.5px;
        transition: all 0.3s ease;
        opacity: 1;
        transform: scale(1);
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-8px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-7px, -6px);
    }

    .hamburger.active .hamburger-label {
        opacity: 0;
        transform: scale(0.8);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        width: 80%;
        max-width: 300px;
        height: 100vh;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 2px 0 20px rgba(0,0,0,0.3);
        padding: 5rem 2rem 2rem;
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 80px;
        background: rgba(0,0,0,0.1);
        backdrop-filter: blur(10px);
    }

    .nav-link {
        padding: 1rem;
        margin: 0.5rem 0;
        border-radius: 12px;
        font-size: 1.2rem;
        transition: all 0.3s ease;
        border: 2px solid transparent;
    }

    .nav-link:hover,
    .nav-link.active {
        background: rgba(255, 215, 0, 0.2);
        border-color: var(--accent-color);
        transform: translateX(5px);
    }

    /* 添加遮罩层 */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 998;
    }

    .nav-overlay.active {
        display: block;
        animation: fadeIn 0.3s ease;
    }

    /* 主横幅优化 */
    .hero {
        min-height: 100vh;
        padding: 6rem 0 3rem;
        display: flex;
        align-items: center;
    }

    .hero-title {
        font-size: 2.8rem;
        margin-bottom: 1.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.4rem;
        margin-bottom: 2rem;
        line-height: 1.4;
    }

    .hero-description {
        font-size: 1.1rem;
        line-height: 1.8;
        margin-bottom: 3rem;
        padding: 0 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
        padding: 0 1rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }

    /* 特色展示优化 */
    .features {
        padding: 4rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 2.5rem;
    }

    .feature-item {
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .feature-item h3 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }

    .feature-item p {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* 精选天珠优化 */
    .featured-section {
        padding: 5rem 0;
    }

    .featured-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .featured-details {
        padding: 2rem;
    }

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

    .featured-badge {
        top: 10px;
        right: 10px;
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    /* 通用区块优化 */
    section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 1.9rem;
        margin-bottom: 2.5rem;
        padding: 0 1rem;
    }

    /* 珍品鉴赏优化 */
    .gallery-categories {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: 0 20px;
        gap: 0.8rem;
        margin-bottom: 2rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .gallery-categories::-webkit-scrollbar {
        display: none;
    }

    .category-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .gallery-item {
        border-radius: 12px;
        overflow: hidden;
    }

    .item-image {
        height: 250px;
    }

    .item-details {
        padding: 1.5rem;
    }

    .item-details h4 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .item-details p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    .item-specs {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem;
    }

    .spec {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        border-radius: 15px;
    }

    /* 天珠文化优化 */
    .culture-content {
        gap: 2rem;
        margin-top: 2rem;
    }

    .culture-intro h3 {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }

    .culture-intro p {
        font-size: 1rem;
        line-height: 1.7;
    }

    .culture-aspects {
        gap: 1.5rem;
    }

    .aspect-item {
        padding: 1.5rem;
        border-radius: 10px;
    }

    .aspect-item h4 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .aspect-item p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* 收藏知识优化 - 移动端快速版 */
    .knowledge-content {
        margin-top: 1.5rem;
    }

    .knowledge-tabs {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 1rem;
        gap: 0.5rem;
        border-bottom: 2px solid var(--border-color);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        scroll-behavior: smooth;
    }

    .knowledge-tabs::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
        white-space: nowrap;
        flex-shrink: 0;
        border-bottom: 3px solid transparent;
        transition: all 0.2s ease;
    }

    .tab-btn.active {
        border-bottom-color: var(--primary-color);
        color: var(--primary-color);
    }

    .tab-pane h3 {
        font-size: 1.4rem;
        margin-bottom: 1rem;
        padding: 0 1rem;
    }

    .knowledge-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }

    .knowledge-item {
        padding: 1.2rem;
        border-radius: 8px;
        transition: transform 0.2s ease;
        animation: none; /* 移除复杂动画 */
        opacity: 1; /* 立即显示 */
        transform: none; /* 无初始位移 */
    }

    .knowledge-item h4 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
        font-weight: 600;
    }

    .knowledge-item p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* 关于我们优化 */
    .about-content {
        gap: 2rem;
        margin-top: 2rem;
    }

    .about-intro h3 {
        font-size: 1.6rem;
        margin-bottom: 1.2rem;
    }

    .about-intro p {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 2rem;
    }

    .team-section h4 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .team-member {
        padding: 1.5rem;
        border-radius: 10px;
    }

    .member-avatar {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }

    .team-member h5 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }

    .member-title {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .member-desc {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .about-values h4 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .value-item {
        padding: 1.2rem 0.8rem;
        border-radius: 8px;
    }

    .value-item h5 {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }

    .value-item p {
        font-size: 0.9rem;
    }

    /* 联系方式优化 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 2rem;
    }

    .contact-info {
        gap: 1.5rem;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
        border-radius: 12px;
    }

    .contact-icon {
        font-size: 2rem;
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }

    .contact-details h4 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .contact-details p {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }

    .contact-note {
        font-size: 0.85rem;
    }

    .consultation-info {
        gap: 1.5rem;
    }

    .consultation-card {
        padding: 2rem 1.5rem;
        border-radius: 12px;
    }

    .consultation-card h3 {
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
    }

    .consultation-card p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    .service-list li {
        font-size: 0.95rem;
        margin-bottom: 0.6rem;
    }

    .appointment-note p {
        font-size: 0.9rem;
    }

    .visit-info {
        padding: 2rem 1.5rem;
        border-radius: 12px;
    }

    .visit-info h3 {
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
    }

    .visit-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem 0;
        gap: 0.3rem;
    }

    .visit-item strong {
        font-size: 0.95rem;
    }

    .visit-item span {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* 页脚优化 - 移动端优雅版 */
    .footer {
        padding: 4rem 0 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .footer-section h3,
    .footer-section h4 {
        font-size: 1.4rem;
        margin-bottom: 1.2rem;
    }

    .footer-section p {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 1rem;
    }

    .footer-motto {
        font-size: 0.95rem;
        font-style: italic;
    }

    .footer-section ul {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer-section ul li {
        margin-bottom: 0;
    }

    .footer-section a {
        font-size: 1rem;
        padding: 0.6rem 1.2rem;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
    }

    .footer-section a:hover {
        background: rgba(255, 215, 0, 0.2);
        transform: translateY(-2px);
    }

    .social-info {
        text-align: center;
        background: rgba(255, 255, 255, 0.05);
        padding: 1.5rem;
        border-radius: 12px;
        border: 1px solid rgba(255, 215, 0, 0.1);
        backdrop-filter: blur(10px);
        margin-top: 1.5rem;
    }

    .social-info p {
        margin-bottom: 0.8rem;
        font-size: 0.95rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .social-info strong {
        color: var(--accent-color);
    }

    .footer-bottom {
        padding-top: 2rem;
        margin-top: 2.5rem;
    }

    .footer-bottom p {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .copyright-note {
        font-size: 0.85rem;
        opacity: 0.8;
        font-style: italic;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .nav-container {
        padding: 0 12px;
    }

    .logo h1 {
        font-size: 1.6rem;
    }

    .tagline {
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }

    .hamburger {
        width: 45px;
        height: 45px;
    }

    .hamburger span {
        width: 22px;
        height: 3px;
        margin: 2px 0;
    }

    .hamburger-label {
        font-size: 9px;
        margin-top: 1px;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-description {
        padding: 0;
    }

    .feature-item {
        padding: 1.5rem 1rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .gallery-categories {
        padding: 0 15px;
    }

    .category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .gallery-grid {
        padding: 0 12px;
        gap: 1.5rem;
    }

    .item-image {
        height: 220px;
    }

    .item-details {
        padding: 1.2rem;
    }

    .knowledge-tabs {
        padding: 0 12px;
    }

    .knowledge-grid {
        padding: 0 12px;
    }

    .culture-aspects {
        gap: 1rem;
    }

    .aspect-item {
        padding: 1.2rem;
    }

    .team-member {
        padding: 1.2rem;
    }

    .member-avatar {
        width: 70px;
        height: 70px;
    }

    .contact-item {
        padding: 1.5rem 1rem;
    }

    .consultation-card,
    .visit-info {
        padding: 1.5rem 1rem;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        gap: 2rem;
    }

    .footer-section h3,
    .footer-section h4 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .footer-section a {
        font-size: 0.95rem;
        padding: 0.5rem 1rem;
    }

    .social-info {
        margin-top: 1.2rem;
        padding: 1.2rem;
    }
}

/* 横屏手机优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 4rem 0 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .btn-primary,
    .btn-secondary {
        width: auto;
        max-width: none;
    }

    section {
        padding: 2rem 0;
    }

    .features {
        padding: 2rem 0;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

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