/* ==================== 基础样式重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 茶文化主题 */
    --primary-color: #2d5016;
    --primary-dark: #1a3009;
    --primary-light: #4a7c28;
    
    /* 辅助色 */
    --secondary-color: #c9a961;
    --secondary-dark: #a88a45;
    --secondary-light: #e0c78a;
    
    /* 中性色 */
    --bg-color: #f5f0e8;
    --bg-dark: #e8e0d0;
    --text-color: #4a3728;
    --text-light: #6b5a4a;
    --text-dark: #2a1f14;
    --white: #ffffff;
    
    /* 功能色 */
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    
    /* 字体 */
    --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    --font-sans: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.2);
    
    /* 过渡 */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ==================== 通用组件 ==================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
}

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

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 15px;
}

/* 装饰分割线 */
.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.divider-line {
    width: 60px;
    height: 1px;
    background: var(--secondary-color);
}

.divider i {
    color: var(--secondary-color);
    font-size: 0.8rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-sans);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 5px 0;
}

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

.nav-links a:hover {
    color: var(--primary-color);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

/* ==================== Hero区域 ==================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(45,80,22,0.9) 0%, rgba(26,48,9,0.95) 100%),
                url('https://images.unsplash.com/photo-1571934811356-5cc061b6821f?w=1920&h=1080&fit=crop') center/cover;
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 25px;
    letter-spacing: 8px;
    color: var(--secondary-light);
}

.hero-desc {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 40px;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--white);
    opacity: 0.7;
}

/* ==================== 关于我们 ==================== */
.about {
    background: var(--white);
}

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

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-frame::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: 15px;
    bottom: 15px;
    border: 3px solid var(--secondary-color);
    border-radius: 8px;
    z-index: -1;
}

.about-text h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.about-features {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.feature-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.feature-item span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ==================== 茶品展示 ==================== */
.tea-showcase {
    background: var(--bg-color);
}

.tea-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tea-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tea-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tea-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.tea-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.tea-card:hover .tea-image img {
    transform: scale(1.1);
}

.tea-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.tea-info {
    padding: 20px;
}

.tea-info h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.tea-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.tea-price {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
}

.tea-price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-light);
}

/* ==================== 环境展示 ==================== */
.environment {
    background: var(--white);
}

.env-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    opacity: 0;
    transition: var(--transition);
}

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

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

.gallery-overlay h3 {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.gallery-overlay p {
    color: var(--secondary-light);
    font-size: 0.9rem;
}

/* ==================== 服务项目 ==================== */
.services {
    background: var(--bg-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ==================== 新闻动态 ==================== */
.news {
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image {
    height: 180px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 25px;
    position: relative;
}

.news-date {
    position: absolute;
    top: -30px;
    left: 25px;
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 8px;
    text-align: center;
}

.news-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    font-size: 0.75rem;
    opacity: 0.9;
}

.news-content h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--text-dark);
    margin: 15px 0 10px;
}

.news-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.read-more:hover {
    gap: 12px;
}

/* ==================== 联系我们 ==================== */
.contact {
    background: var(--bg-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.2rem;
    color: var(--white);
}

.info-text h3 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.info-text p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.info-text a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.contact-map {
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

.map-placeholder p {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.map-placeholder small {
    opacity: 0.7;
}

/* 客服微信二维码悬停效果 */
.wechat-card {
    position: relative;
    cursor: pointer;
}

.wechat-qrcode {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    gap: 15px;
    padding: 15px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    white-space: nowrap;
}

.wechat-card:hover .wechat-qrcode {
    display: flex;
}

.qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qrcode-item img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    background: #f5f5f5;
}

.qrcode-item span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 环境展示提示 */
.env-tip {
    text-align: center;
    margin-top: 25px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.env-tip a {
    color: var(--primary-color);
    text-decoration: underline;
}

.env-tip a:hover {
    color: var(--primary-dark);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-about h3 i {
    color: var(--secondary-color);
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--secondary-light);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255,255,255,0.7);
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 5px;
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ==================== 返回顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-8px);
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tea-grid,
    .services-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .env-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item-large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
        letter-spacing: 4px;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .tea-grid,
    .services-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .env-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item-large {
        grid-column: span 1;
    }
    
    .about-features {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        font-size: 0.8rem;
    }
    
    .wechat-qrcode {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        flex-direction: column;
        align-items: center;
    }
    
    .contact-map {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 12px 28px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .tea-card,
    .service-card,
    .news-card {
        max-width: 100%;
    }
}