* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary: #20a53a;
            --secondary: #1d8a32;
            --dark: #333;
            --light: #f8f9fa;
            --gray: #6c757d;
            --transition: all 0.3s ease;
        }
        
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header & Navigation */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo-text span {
            color: var(--dark);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin: 0 15px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 16px;
            padding: 5px 0;
            position: relative;
            transition: var(--transition);
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        
        nav ul li a:hover:after,
        nav ul li a.active:after {
            width: 100%;
        }
        
        nav ul li a:hover,
        nav ul li a.active {
            color: var(--primary);
        }
        
        .contact-btn {
            background: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 2px solid var(--primary);
        }
        
        .contact-btn:hover {
            background: transparent;
            color: var(--primary);
        }
        
        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* Banner Slider */
        .banner {
            margin-top: 80px;
            position: relative;
            overflow: hidden;
            height: 500px;
        }
        
        .slides {
            display: flex;
            height: 100%;
            transition: transform 0.5s ease;
        }
        
        .slide {
            min-width: 100%;
            position: relative;
        }
        
        .slide-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .slide-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: white;
            width: 80%;
            max-width: 800px;
            z-index: 2;
        }
        
        .slide-content h2 {
            font-size: 48px;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        
        .slide-content p {
            font-size: 20px;
            margin-bottom: 30px;
            text-shadow: 0 1px 3px rgba(0,0,0,0.5);
        }
        
        .slide-btn {
            display: inline-block;
            background: white;
            color: var(--primary);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: var(--transition);
        }
        
        .slide-btn:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .slider-nav {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            z-index: 10;
        }
        
        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            margin: 0 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-dot.active {
            background: white;
        }
        
        /* Products Section */
        .products {
            padding: 80px 0;
            background: var(--light);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary);
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 20px auto 0;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .product-img {
            height: 200px;
            width: 100%;
            background: linear-gradient(45deg, #1d8a32, #20a53a);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 60px;
        }
        
        .product-content {
            padding: 25px;
        }
        
        .product-content h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .product-content p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .product-link {
            display: inline-block;
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .product-link:hover {
            color: var(--secondary);
            transform: translateX(5px);
        }
        
        .product-link i {
            margin-left: 5px;
            font-size: 14px;
        }
        
        /* Features Section */
        .features {
            padding: 80px 0;
        }
        
        .feature-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .feature-box {
            text-align: center;
            padding: 30px;
            transition: var(--transition);
        }
        
        .feature-box:hover {
            transform: translateY(-5px);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: rgba(32, 165, 58, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--primary);
            font-size: 32px;
        }
        
        .feature-box h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .feature-box p {
            color: var(--gray);
        }
        
        /* Footer */
        footer {
            background: #222;
            color: #eee;
            padding: 60px 0 20px;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-col h4 {
            font-size: 20px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h4:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }
        
        .footer-col p {
            margin-bottom: 15px;
            color: #aaa;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .footer-contact li {
            display: flex;
            margin-bottom: 15px;
        }
        
        .footer-contact i {
            color: var(--primary);
            margin-right: 10px;
            font-size: 18px;
            min-width: 25px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #777;
            font-size: 14px;
        }
        
        .btlink {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .btlink:hover {
            color: #1d8a32;
            text-decoration: underline;
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .slide-content h2 {
                font-size: 36px;
            }
            
            .slide-content p {
                font-size: 18px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
            
            nav {
                position: fixed;
                top: 80px;
                left: -100%;
                background: white;
                width: 80%;
                height: calc(100vh - 80px);
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                transition: var(--transition);
            }
            
            nav.active {
                left: 0;
            }
            
            nav ul {
                flex-direction: column;
                padding: 20px;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .banner {
                height: 400px;
            }
            
            .slide-content h2 {
                font-size: 28px;
            }
            
            .slide-content p {
                font-size: 16px;
            }
            
            .slide-btn {
                padding: 10px 20px;
                font-size: 16px;
            }
        }
        
        @media (max-width: 576px) {
            .banner {
                height: 300px;
            }
            
            .logo img {
                height: 40px;
            }
            
            .logo-text {
                font-size: 20px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
        }