:root {
            --primary-red: #d32f2f;
            --dark-red: #b71c1c;
            --light-red: #ff5252;
            --text-dark: #333;
            --text-light: #fff;
            --background-light: #f9f9f9;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--background-light);
            color: var(--text-dark);
            line-height: 1.6;
        }
        
        header {
            background-color: var(--primary-red);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: #ffcc00;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #ffcc00;
        }
        
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../image/photo-1611974789855-9c2a0a7236a3.jpg');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            padding: 5rem 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background-color: #a52424;
            color: var(--text-light);
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: var(--dark-red);
        }
        
        .features {
            padding: 4rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            color: var(--primary-red);
        }
        
        .section-title h2 {
            font-size: 2rem;
            position: relative;
            display: inline-block;
            padding-bottom: 0.5rem;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--primary-red);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .feature-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
        }
        
        .card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .feature-card:hover .card-image img {
            transform: scale(1.1);
        }
        
        .card-title {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: white;
            padding: 1rem;
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .card-content {
            padding: 1.5rem;
        }
        
        .card-content h3 {
            color: var(--primary-red);
            margin-bottom: 0.5rem;
        }
        
        .how-it-works {
            background-color: var(--primary-red);
            color: var(--text-light);
            padding: 4rem 0;
        }
        
        .how-it-works .section-title h2 {
            color: white;
        }
        
        .how-it-works .section-title h2::after {
            background-color: white;
        }
        
        .steps {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        
        .step {
            flex: 1;
            min-width: 250px;
            text-align: center;
            padding: 1.5rem;
            margin: 1rem;
        }
        
        .step-number {
            display: inline-block;
            width: 50px;
            height: 50px;
            background-color: white;
            color: var(--primary-red);
            border-radius: 50%;
            line-height: 50px;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .testimonials {
            padding: 4rem 0;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .testimonial {
            background-color: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .testimonial::before {
            content: '"';
            font-size: 4rem;
            color: var(--light-red);
            position: absolute;
            top: -10px;
            left: 10px;
            opacity: 0.3;
        }
        
        .testimonial-text {
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 1rem;
        }
        
        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-info h4 {
            color: var(--primary-red);
        }
        
        .cta-section {
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../image/photo-1551288049-bebda4e38f71.jpg');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            padding: 5rem 0;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        
        .cta-section p {
            max-width: 700px;
            margin: 0 auto 2rem;
            font-size: 1.1rem;
        }
        
        .important-notice {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 2rem 0;
            margin: 2rem 0;
        }

        .notice-box {
            background-color: #fff;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .notice-box h3 {
            color: #856404;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }

        .notice-box p {
            color: #856404;
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }

        .notice-box strong {
            font-weight: 600;
        }

        .about {
            padding: 4rem 0;
            background-color: var(--background-light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text h3 {
            color: var(--primary-red);
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        .about-text p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        .about-features {
            display: grid;
            gap: 1.5rem;
        }

        .feature-item {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .feature-item h4 {
            color: var(--primary-red);
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }

        .feature-item p {
            color: var(--text-dark);
            font-size: 0.95rem;
        }

        .hero-notice {
            background-color: rgba(255, 255, 255, 0.9);
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            text-align: center;
            border: 1px solid #e0e0e0;
        }

        .hero-notice p {
            color: var(--primary-red);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .disclaimer {
            background-color: #f0f0f0;
            padding: 2rem 0;
            text-align: center;
            font-size: 0.9rem;
            color: #666;
        }
        
        footer {
            background-color: var(--dark-red);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-column h3 {
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: #ffcc00;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 0.8rem;
        }
        
        .footer-column ul li a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column ul li a:hover {
            color: #ffcc00;
        }
        
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #ccc;
        }

        @media (max-width: 768px) {
            .about-content {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }

            .notice-box {
                padding: 1.5rem;
                margin: 0 1rem;
            }

            .notice-box h3 {
                font-size: 1.2rem;
            }

            .hero-notice {
                margin: 1rem 1rem;
                padding: 0.8rem;
            }

            .hero-notice p {
                font-size: 0.9rem;
            }
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            nav ul {
                margin-top: 1rem;
                justify-content: center;
            }
            
            nav ul li {
                margin: 0 0.75rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .steps {
                flex-direction: column;
            }
        }
        
         .floating-button {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background: #a52424;
            color:white;
            border: none;
            padding: 16px 35px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0, 217, 255, 0.5);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .floating-button:hover {
            transform: translateX(-50%) translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 217, 255, 0.7);
        }

        .floating-button:active {
            transform: translateX(-50%) translateY(0);
            box-shadow: 0 3px 15px rgba(0, 217, 255, 0.4);
        }


        @media (max-width: 768px) {
            .floating-button {
                width: 90%;
                max-width: 300px;
                justify-content: center;
                bottom: 20px;
            }
            
            h1 {
                font-size: 2rem;
            }
        }