* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a237e;
            --secondary: #ff6d00;
            --accent: #00c853;
            --light: #f5f5f5;
            --dark: #121212;
            --text: #333333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        body {
            background-color: #fafafa;
            color: var(--text);
            line-height: 1.8;
            padding-bottom: 60px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #303f9f);
            color: white;
            padding: 15px 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .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;
            letter-spacing: 1px;
            color: white;
            text-decoration: none;
        }
        .logo span {
            color: var(--secondary);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            font-size: 1rem;
        }
        nav a:hover {
            color: var(--secondary);
        }
        .btn {
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn-download {
            background-color: var(--accent);
            color: white;
            margin-right: 10px;
        }
        .btn-download:hover {
            background-color: #00a043;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,192,83,0.3);
        }
        .btn-login {
            background-color: var(--secondary);
            color: white;
        }
        .btn-login:hover {
            background-color: #e05e00;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255,109,0,0.3);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .hero {
            background: url('https://host.com/hero-bg.jpg') center/cover no-repeat;
            padding: 100px 0;
            text-align: center;
            color: white;
            position: relative;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--secondary);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            line-height: 1.9;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .main-content {
            padding: 60px 0;
        }
        .section {
            margin-bottom: 80px;
        }
        .section-title {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 30px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            display: inline-block;
        }
        .subsection-title {
            font-size: 1.7rem;
            color: var(--primary);
            margin: 40px 0 20px;
        }
        .subsubsection-title {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        .content-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .content-card:hover {
            transform: translateY(-5px);
        }
        .content-card img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 20px 0;
            object-fit: cover;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .feature-item {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent);
        }
        .feature-item h4 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .stat-label {
            color: var(--text);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .quote {
            font-style: italic;
            padding: 20px;
            border-left: 4px solid var(--secondary);
            margin: 30px 0;
            background-color: #fff8f0;
            font-size: 1.1rem;
        }
        .quote-author {
            display: block;
            text-align: right;
            margin-top: 10px;
            font-weight: 600;
            color: var(--primary);
        }
        .tabs {
            display: flex;
            border-bottom: 1px solid #ddd;
            margin-bottom: 30px;
        }
        .tab {
            padding: 15px 25px;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .tab.active {
            border-bottom: 3px solid var(--secondary);
            color: var(--primary);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
        }
        .data-table th, .data-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        .data-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        .data-table tr:hover {
            background-color: #f9f9f9;
        }
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .gallery-item {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        .gallery-item:hover {
            transform: scale(1.03);
        }
        .gallery-item img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .cta {
            background: linear-gradient(135deg, var(--primary), #3949ab);
            color: white;
            padding: 80px 0;
            text-align: center;
            border-radius: 10px;
            margin: 60px 0;
        }
        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        .cta p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 80px 0 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--secondary);
            text-decoration: none;
            display: inline-block;
        }
        .footer-links h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .game-categories, .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        .game-categories a, .game-tags a {
            background-color: #333;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .recommendation {
            background-color: #222;
            padding: 20px;
            border-radius: 8px;
            margin-top: 20px;
        }
        .recommendation h4 {
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 80px 0;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .subsection-title {
                font-size: 1.5rem;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .header-content {
                flex-wrap: wrap;
            }
            .logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta h2 {
                font-size: 2rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }