* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary: #CC0000; /* Đỏ ớt đậm */
            --primary-rgb: 204, 0, 0; /* Giá trị RGB của primary */
            --secondary: #333333; /* Xám đậm */
            --secondary-rgb: 51, 51, 51; /* Giá trị RGB của secondary */
            --dark: #2C3E50;
            --light: #ECF0F1;
            --white: #FFFFFF;
            --success: #27AE60;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            overflow-x: hidden;
        }
        
        /* Header */
        header {
            background: var(--dark); /* Đổi màu nền header thành màu dark */
            color: var(--white);
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .hotline {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .hotline-btn {
            background: var(--white);
            color: var(--primary);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        
        .hotline-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, rgba(204, 0, 0, 0.9), rgba(112, 3, 3, 0.986)), /* Gradient đỏ đậm hơn */
                        url('https://images.unsplash.com/photo-1583227438793-c6b366c9e702?w=1920&h=1080&fit=crop') center/cover;
            color: var(--white);
            padding: 120px 1rem 80px; /* Tăng padding-top để tránh cắt chữ */
            text-align: center;
            position: relative;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-top: -30px; /* Điều chỉnh margin-top để đẩy chữ lên */
            margin-bottom: 0.5rem; /* Giảm margin-bottom */
            text-shadow: 3px 3px 6px rgba(0,0,0,0.5);
            animation: fadeInDown 1s;
        }
        
        .hero p {
            font-size: 1.5rem;
            margin-bottom: 1rem; /* Giảm margin-bottom */
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            animation: fadeInUp 1s;
        }
        
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 1.2s;
        }
        
        .cta-btn {
            padding: 1rem 2.5rem;
            font-size: 1.2rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            display: inline-block;
        }
        
        .btn-primary {
            background: var(--white);
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
        .btn-secondary {
            background: #00B900;
            color: var(--white);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
        .cta-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }
        
        /* Sections */
        section {
            padding: 80px 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        /* Product Info */
        .product-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .feature-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s;
            text-align: center;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .price-card {
            background: var(--white);
            border-radius: 20px;
            padding: 2.5rem;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .price-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
        }
        
        .price-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }
        
        .price-card.featured {
            border: 3px solid var(--primary);
            transform: scale(1.05);
        }
        
        .price-tag {
            font-size: 1.4rem; /* Tăng kích thước chữ */
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        
        .price {
            font-size: 3rem;
            color: var(--primary);
            font-weight: bold;
            margin: 1rem 0;
        }
        
        .price-features {
            list-style: none;
            margin: 2rem 0;
            text-align: left;
        }
        
        .price-features li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light);
        }
        
        .price-features li::before {
            content: "✓ ";
            color: var(--success);
            font-weight: bold;
        }
        
        .order-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s;
            width: 100%;
        }
        
        .order-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 20px rgba(255,107,107,0.4);
        }
        
        .wholesale-note {
            background: linear-gradient(135deg, var(--primary), var(--secondary));

            color: var(--dark); /* Chữ màu đậm */
            padding: 2.5rem;
            border-radius: 15px;
            text-align: center;
            margin-top: 3rem;
            border: none; /* Bỏ viền */
            box-shadow: none; /* Bỏ đổ bóng */
            position: relative;
            overflow: hidden;
        }

        .wholesale-note::before {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 2rem;
            opacity: 0.7;
            color: var(--primary); /* Màu icon */
        }

        .wholesale-note h3 {
            color: var(--white); /* Tiêu đề màu trắng */
            margin-bottom: 1rem;
            font-size: 1.8rem;
            text-shadow: none;
        }

        .wholesale-note p {
            color: var(--white); /* Mô tả màu trắng */
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }
        
        /* Contact Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin-top: 3rem;
        }
        
        .contact-info {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        .info-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: var(--light);
            border-radius: 10px;
        }
        
        .info-icon {
            font-size: 2rem;
            color: var(--primary);
        }
        
        .contact-form {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
            color: var(--dark);
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--light);
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }
        
        .submit-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            padding: 1rem 3rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s;
            width: 100%;
        }
        
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255,107,107,0.4);
        }
        
        .map-container {
            margin-top: 3rem;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        
        .map-container iframe {
            width: 100%;
            height: 450px;
            border: none;
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            color: var(--white);
            text-align: center;
            padding: 2rem;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        
        .social-links a {
            color: var(--white);
            font-size: 2rem;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            color: var(--primary);
            transform: translateY(-5px);
        }
        
        /* Animations */
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .header-content .logo {
                font-size: 1.4rem; /* Giảm kích thước logo trên mobile */
            }

            .hero h1 {
                font-size: 1.8rem; /* Giảm kích thước tiêu đề hero trên mobile */
            }
            
            .hero p {
                font-size: 1rem; /* Giảm kích thước mô tả hero trên mobile */
            }
            
            .contact-grid {
                grid-template-columns: 1fr;
            }
            
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            .hotline {
                flex-direction: row; /* Đảm bảo các nút nằm ngang */
                width: auto;
                justify-content: center;
                gap: 0.5rem; /* Giảm khoảng cách giữa các nút */
            }

            .hotline-btn {
                width: 40px; /* Kích thước nút nhỏ hơn */
                height: 40px; /* Kích thước nút nhỏ hơn */
                padding: 0; /* Loại bỏ padding */
                font-size: 1.2rem; /* Giảm kích thước icon */
                border-radius: 50%; /* Đảm bảo hình tròn */
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .hotline-btn span {
                display: none; /* Ẩn văn bản */
            }
            
            .section-title {
                font-size: 2rem;
            }
        }