/* 全局样式 */
:root {
    --primary-color: #d4af37; /* 金色 */
    --secondary-color: #1a1a1a; /* 深黑色 */
    --accent-color: #8a6d3b; /* 棕色 */
    --light-color: #f5f5f5; /* 浅色 */
    --dark-color: #0a0a0a; /* 黑色 */
    --text-color: #333; /* 文本颜色 */
    --text-light: #fff; /* 浅色文本 */
    --gold-gradient: linear-gradient(135deg, #d4af37 0%, #f5e6ca 50%, #d4af37 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-divider {
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin: 1rem auto 0;
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: var(--gold-gradient);
    color: var(--dark-color);
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(212, 175, 55, 0.4);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: var(--dark-color);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo h1 {
    color: var(--text-light);
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    font-weight: 400;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 3px;
    background: var(--text-light);
    transition: all 0.3s ease;
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--text-light);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.5));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn-primary {
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fadeIn 2s ease-out 1s both;
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.scroll-down::after {
    content: '';
    width: 1px;
    height: 30px;
    background: var(--primary-color);
    margin-top: 10px;
    animation: bounce 2s infinite;
}

/* 产品系列样式 */
.products-section {
    padding: 6rem 0;
    background-color: var(--light-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.product-item {
    position: relative;
    background: var(--text-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

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

.product-info {
    padding: 1.5rem;
    text-align: center;
}

.product-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.product-description {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 产品特色样式 */
.features-section {
    padding: 6rem 0;
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.features-section .section-title {
    color: var(--text-light);
}

.features-section .section-divider {
    background: var(--primary-color);
}

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

.feature-item {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(212, 175, 55, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* 精湛工艺样式 */
.craftsmanship-section {
    padding: 6rem 0;
    background-color: var(--light-color);
    position: relative;
}

.craftsmanship-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, var(--secondary-color), transparent);
    z-index: 1;
}

.craftsmanship-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.craftsmanship-image {
    width: 100%;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

.craftsmanship-section:hover .craftsmanship-image img {
    transform: scale(1.03);
}

.craftsmanship-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

/* 品牌资讯样式 */
.news-section {
    padding: 6rem 0;
    background-color: var(--light-color);
    background-image: url('../images/news-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
}

.news-section .container {
    position: relative;
    z-index: 2;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.news-item {
    background: var(--text-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.news-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.news-info {
    padding: 1.5rem;
}

.news-date {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.news-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--secondary-color);
}

.news-excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

/* 尊享体验样式 */
.experience-section {
    padding: 6rem 0;
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.experience-section .section-title {
    color: var(--text-light);
}

.experience-section .section-divider {
    background: var(--primary-color);
}

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

.experience-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    background: rgba(212, 175, 55, 0.1);
}

.benefit-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-item span {
    font-size: 0.95rem;
    font-weight: 500;
}

/* 健康提示样式 */
.health-notice {
    padding: 2rem 0;
    background-color: var(--dark-color);
    color: var(--text-light);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.notice-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* 友情链接样式 */
.friendship-links {
    padding: 2rem 0;
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.links-title {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.links-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.link-item {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.link-item:hover {
    color: var(--primary-color);
}

/* 页脚样式 */
.footer {
    background-color: var(--dark-color);
    color: var(--text-light);
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer-logo h2 {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 0;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--dark-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--dark-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 7px 20px rgba(212, 175, 55, 0.4);
}

/* 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;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .craftsmanship-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .craftsmanship-image {
        height: 400px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--dark-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .menu-toggle {
        display: flex;
        z-index: 1000;
    }
    
    .menu-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid, .features-grid, .news-grid {
        gap: 1.5rem;
    }
    
    .craftsmanship-image {
        height: 300px;
    }
}