* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a5cff;
            --secondary: #ff6b00;
            --accent: #2ecc71;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #94a3b8;
            --danger: #e74c3c;
        }
        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.8;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), var(--dark));
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--secondary);
        }
        .nav-links {
            display: flex;
            gap: 30px;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .btn {
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background-color: var(--secondary);
            color: white;
        }
        .btn-primary:hover {
            background-color: #e55a00;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255,107,0,0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        .btn-secondary:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .hero {
            background: url('https://host.com/images/tank-blitz-conquerors-hero.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-color: rgba(0,0,0,0.6);
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            opacity: 0.9;
        }
        .btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        main {
            padding: 80px 0;
        }
        .section {
            margin-bottom: 100px;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 40px;
            color: var(--primary);
            position: relative;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--secondary);
            border-radius: 2px;
        }
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        .card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-content {
            padding: 25px;
        }
        .card-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .card-text {
            color: var(--gray);
            margin-bottom: 20px;
        }
        .table-container {
            overflow-x: auto;
            margin: 40px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        th, td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid #f0f0f0;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: #f9fafb;
        }
        .feature-list {
            list-style-type: none;
            margin: 40px 0;
        }
        .feature-list li {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: flex-start;
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list li::before {
            content: '✅';
            margin-right: 15px;
            color: var(--accent);
            font-size: 1.2rem;
        }
        .quote {
            background-color: rgba(26,92,255,0.05);
            border-left: 4px solid var(--primary);
            padding: 25px;
            margin: 40px 0;
            border-radius: 0 8px 8px 0;
        }
        .quote p {
            font-style: italic;
            font-size: 1.1rem;
            color: var(--dark);
        }
        .quote-author {
            margin-top: 15px;
            font-weight: 600;
            color: var(--primary);
        }
        .tabs {
            display: flex;
            border-bottom: 1px solid #eee;
            margin: 40px 0;
        }
        .tab {
            padding: 15px 25px;
            cursor: pointer;
            border-bottom: 3px solid transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .tab.active {
            border-bottom-color: var(--secondary);
            color: var(--secondary);
        }
        .tab-content {
            padding: 30px 0;
            display: none;
        }
        .tab-content.active {
            display: block;
        }
        .download-section {
            background-color: var(--dark);
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        .download-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        .download-section p {
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.8;
        }
        footer {
            background-color: #121212;
            color: white;
            padding: 80px 0 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 50px;
            margin-bottom: 60px;
        }
        .footer-col h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--secondary);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .footer-links {
            list-style-type: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.1);
            color: white;
            transition: all 0.3s ease;
        }
        .social-links a:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .tag {
            padding: 8px 15px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .tag a {
            color: #ccc;
            text-decoration: none;
        }
        .tag:hover {
            background-color: var(--primary);
        }
        .tag:hover a {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #999;
            font-size: 0.9rem;
        }
        .recommendation {
            background-color: rgba(46,204,113,0.1);
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 40px;
            border-left: 4px solid var(--accent);
        }
        .recommendation h4 {
            color: var(--accent);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 80px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 300px;
            }
            main {
                padding: 60px 0;
            }
            .section {
                margin-bottom: 80px;
            }
            .footer-content {
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            .logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .download-section h2 {
                font-size: 2rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .bold {
            font-weight: 700;
        }
        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-accent {
            color: var(--accent);
        }