:root {
            --primary-color: #2e7d32;
            --secondary-color: #4caf50;
            --accent-color: #81c784;
            --dark-color: #1b5e20;
            --light-color: #e8f5e9;
            --text-color: #333;
            --light-text: #fff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f9f9f9;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: var(--light-text);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        .logo-img {
            width: 0px;
            height: 0px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 20px;
        }
        .logo h1 {
            font-size: 24px;
            color: var(--primary-color);
            margin-left: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--primary-color);
        }
        
        /* 英雄区域样式 */
        .hero {
            color: var(--light-text);
            text-align: center;
            position: relative;
            overflow: hidden;
            margin:-100px 0 -80px 0;
        }
        
        .hero-slides {
            position: relative;
            width: 100%;
            height: 100%;
        }
        
        .hero-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }
        
        .hero-slide.active {
            opacity: 1;
        }
        
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
            margin: 0 auto;
            padding-top: 150px;
        }
        
        .hero h2 {
            font-size: 48px;
            margin-bottom: 20px;
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        
        .hero p {
            font-size: 20px;
            margin: 0 auto 30px;
            max-width: 700px;
            line-height: 1.8;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        }
        
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(46, 125, 50, 0.5), rgba(76, 175, 80, 0.5));
            z-index: 2;
        }
        
        .slide-indicators {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            z-index: 4;
        }
        
        .slide-indicator {
            width: 0px;
            height: 0px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            margin: 0 8px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .slide-indicator.active {
            background-color: var(--light-text);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .hero {
                height: 800px;
            }
            
            .hero-content {
                padding-top: 120px;
            }
            
            .hero h2 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
        }
        
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: var(--light-text);
            padding: 12px 30px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 2px solid var(--primary-color);
        }
        
        .btn:hover {
            background-color: transparent;
            color: var(--light-text);
            border-color: var(--light-text);
        }
        
        .btn-secondary {
            background-color: transparent;
            border-color: var(--light-text);
            margin-left: 15px;
        }
        
        .btn-secondary:hover {
            background-color: var(--light-text);
            color: var(--primary-color);
        }
        
        /* 统计信息样式 */
        .stats {
            display: flex;
            justify-content: center;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        
        .stat-item {
            text-align: center;
            margin: 0 20px;
            padding: 15px;
        }
        
        .stat-number {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--accent-color);
        }
        
        .stat-label {
            font-size: 16px;
            opacity: 0.9;
        }
        
        /* 主要内容区域样式 */
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .section-title p {
            max-width: 700px;
            margin: 0 auto;
            color: #666;
        }
        
        /* 卡片样式 */
        .card-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .card {
            background-color: var(--light-text);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }
        
        .card:hover {
            transform: translateY(-10px);
        }
        
        .card-img {
            height: 200px;
            overflow: hidden;
        }
        
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .card:hover .card-img img {
            transform: scale(1.1);
        }
        
        .card-content {
            padding: 20px;
        }
        
        .card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        /* 关于我们区域样式 */
        .about-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-img {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 团队样式 */
        .team-member {
            text-align: center;
        }
        
        .team-member img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            margin: 20px 0;
            border: 3px solid var(--accent-color);
        }
        
        /* 时间线样式 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--accent-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: var(--light-text);
            border: 4px solid var(--primary-color);
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }
        
        .timeline-item:nth-child(odd)::after {
            right: -10px;
        }
        
        .timeline-item:nth-child(even)::after {
            left: -10px;
        }
        
        .timeline-content {
            padding: 20px;
            background-color: var(--light-text);
            border-radius: 6px;
            box-shadow: var(--shadow);
        }
        
        /* 页脚样式 */
        footer {
            background-color: var(--dark-color);
            color: var(--light-text);
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column a:hover {
            color: var(--light-text);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--light-text);
            transition: background-color 0.3s;
        }
        
        .social-links a:hover {
            background-color: var(--secondary-color);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: #aaa;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
            }
            
            .timeline-item::after {
                left: 21px;
            }
            
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 21px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--light-text);
                box-shadow: var(--shadow);
                padding: 20px;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h2 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
        }