:root {
            --primary: #FF5722;
            --secondary: #1A237E;
            --accent: #FFD600;
            --light: #F5F5F5;
            --dark: #0D0D0D;
            --success: #00C853;
            --text: #333333;
            --shadow: 0 4px 25px rgba(0,0,0,0.15);
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.8;
            padding-bottom: 60px;
            font-size: 16px;
        }
        header {
            background: linear-gradient(135deg, var(--secondary), var(--dark));
            color: white;
            padding: 18px 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 9999;
        }
        .container {
            width: 92%;
            max-width: 1300px;
            margin: 0 auto;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            color: var(--primary);
        }
        .logo emoji {
            font-size: 1.5em;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: var(--spacing-xl);
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            font-size: 1.05rem;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .btn {
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            text-align: center;
        }
        .btn-download {
            background-color: var(--primary);
            color: white;
            margin-right: var(--spacing-md);
        }
        .btn-download:hover {
            background-color: #E64A19;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255,87,34,0.3);
        }
        .btn-login {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-login:hover {
            background-color: rgba(255,214,0,0.15);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255,214,0,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent);
        }
        .hero {
            background: linear-gradient(rgba(26,35,126,0.9), rgba(13,13,13,0.95)), url('https://via.placeholder.com/1920x1080?text=Dunk+Champion+IN+Epic+Basketball+Action') center/cover no-repeat;
            padding: 100px 0;
            color: white;
            text-align: center;
            margin-bottom: var(--spacing-xl);
            border-radius: 0 0 60px 60px;
        }
        .hero h1 {
            font-size: 3.8rem;
            margin-bottom: var(--spacing-lg);
            color: var(--accent);
            text-shadow: 0 3px 15px rgba(0,0,0,0.4);
            line-height: 1.3;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 900px;
            margin: 0 auto var(--spacing-xl);
            opacity: 0.95;
            line-height: 1.9;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .hero-tagline {
            font-size: 1.1rem;
            color: var(--accent);
            margin-bottom: var(--spacing-md);
            font-weight: 500;
            letter-spacing: 1px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
        }
        .section {
            background: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow);
            transition: transform 0.4s ease;
        }
        .section:hover {
            transform: translateY(-8px);
        }
        .section-title {
            font-size: 2.2rem;
            color: var(--secondary);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 4px solid var(--accent);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .section-title emoji {
            font-size: 1.5em;
        }
        .content-block {
            margin-bottom: var(--spacing-xl);
        }
        .content-block:last-child {
            margin-bottom: 0;
        }
        .block-title {
            font-size: 1.6rem;
            color: var(--dark);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-weight: 700;
        }
        .block-title::before {
            content: "▶️";
            color: var(--primary);
            font-size: 1.2em;
        }
        p {
            margin-bottom: var(--spacing-lg);
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.9;
        }
        p strong {
            color: var(--secondary);
        }
        .highlight {
            background-color: rgba(255,214,0,0.1);
            border-left: 5px solid var(--accent);
            padding: var(--spacing-lg);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: var(--spacing-xl) 0;
        }
        .highlight strong {
            color: var(--primary);
            font-size: 1.15rem;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
        }
        .feature-item {
            background-color: var(--light);
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            border-top: 4px solid var(--success);
            transition: all 0.3s ease;
        }
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
        }
        .feature-item h4 {
            color: var(--secondary);
            margin-bottom: var(--spacing-md);
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .feature-item h4 emoji {
            font-size: 1.3em;
        }
        .feature-item p {
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
            text-align: center;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--light), #E8F5E9);
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .stat-card:hover {
            transform: scale(1.05);
        }
        .stat-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text);
            font-size: 1rem;
            font-weight: 500;
        }
        .image-container {
            margin: var(--spacing-xl) 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .image-container img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.6s ease;
        }
        .image-container:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            background-color: var(--secondary);
            color: white;
            padding: var(--spacing-md);
            text-align: center;
            font-size: 1rem;
            opacity: 0.9;
            font-weight: 500;
        }
        .quote {
            font-style: italic;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
            font-size: 1.2rem;
            line-height: 2;
        }
        .quote-author {
            display: block;
            text-align: right;
            margin-top: var(--spacing-md);
            font-weight: 600;
            color: var(--secondary);
            font-style: normal;
            font-size: 1.05rem;
        }
        .tab-container {
            margin: var(--spacing-xl) 0;
        }
        .tabs {
            display: flex;
            border-bottom: 2px solid var(--light);
            margin-bottom: var(--spacing-lg);
            overflow-x: auto;
            scrollbar-width: none;
        }
        .tabs::-webkit-scrollbar {
            display: none;
        }
        .tab {
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: all 0.3s ease;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
        }
        .tab.active {
            border-bottom-color: var(--primary);
            color: var(--primary);
        }
        .tab:hover {
            color: var(--secondary);
        }
        .tab-content {
            padding: var(--spacing-lg);
            background-color: var(--light);
            border-radius: var(--border-radius);
        }
        .tab-content p {
            margin-bottom: var(--spacing-md);
        }
        .community-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
        }
        .community-card {
            background-color: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }
        .community-card:hover {
            transform: translateY(-8px);
        }
        .community-img {
            height: 200px;
            overflow: hidden;
        }
        .community-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .community-card:hover .community-img img {
            transform: scale(1.1);
        }
        .community-info {
            padding: var(--spacing-lg);
        }
        .community-info h4 {
            color: var(--secondary);
            margin-bottom: var(--spacing-md);
            font-size: 1.3rem;
        }
        .community-info p {
            font-size: 1.05rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.8;
        }
        .community-meta {
            display: flex;
            justify-content: space-between;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
        }
        .tips-list {
            list-style: none;
            margin: var(--spacing-xl) 0;
        }
        .tips-list li {
            background-color: var(--light);
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-md);
            display: flex;
            gap: var(--spacing-lg);
            transition: all 0.3s ease;
        }
        .tips-list li:hover {
            transform: translateX(8px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.07);
        }
        .tip-number {
            background-color: var(--primary);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .tip-content {
            flex: 1;
        }
        .tip-content strong {
            color: var(--secondary);
            font-size: 1.1rem;
        }
        .tip-content p {
            margin-bottom: 0;
            font-size: 1.05rem;
        }
        .developer-insights {
            background-color: rgba(26,35,126,0.05);
            border-radius: var(--border-radius);
            padding: var(--spacing-xl);
            margin: var(--spacing-xl) 0;
            border-left: 5px solid var(--secondary);
        }
        .developer-insights h3 {
            color: var(--secondary);
            margin-bottom: var(--spacing-lg);
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .developer-insights p {
            font-size: 1.05rem;
            line-height: 1.9;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-xl) 0;
        }
        .comparison-table th, .comparison-table td {
            padding: var(--spacing-md);
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        .comparison-table th {
            background-color: var(--secondary);
            color: white;
            font-size: 1.1rem;
        }
        .comparison-table tr:nth-child(even) {
            background-color: var(--light);
        }
        .comparison-table tr:hover {
            background-color: rgba(255,214,0,0.05);
        }
        .comparison-table td {
            font-size: 1.05rem;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
            border-radius: 60px 60px 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: var(--spacing-lg);
            color: var(--accent);
            position: relative;
            padding-bottom: var(--spacing-sm);
        }
        .footer-column h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: var(--spacing-md);
        }
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.05rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: var(--spacing-sm);
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }
        .tag {
            background-color: rgba(255,255,255,0.1);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .tag a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
        }
        .tag:hover {
            background-color: var(--primary);
            transform: translateY(-2px);
        }
        .tag:hover a {
            color: white;
        }
        .recommendation {
            background-color: rgba(255,214,0,0.1);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            border: 1px solid rgba(255,214,0,0.3);
        }
        .recommendation h4 {
            color: var(--accent);
            margin-bottom: var(--spacing-md);
            font-size: 1.3rem;
        }
        .recommendation p {
            color: rgba(255,255,255,0.9);
            margin-bottom: var(--spacing-md);
            line-height: 1.8;
            font-size: 1.05rem;
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            line-height: 1.8;
        }
        .game-categories {
            margin: var(--spacing-lg) 0;
        }
        .game-categories h4 {
            color: var(--accent);
            margin-bottom: var(--spacing-md);
            font-size: 1.2rem;
        }
        .category-list {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .category-list a {
            background-color: rgba(255,255,255,0.1);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .category-list a:hover {
            background-color: var(--secondary);
            color: var(--accent);
        }
        @media (max-width: 1200px) {
            .hero h1 {
                font-size: 3.2rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .block-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 992px) {
            .nav-links {
                gap: var(--spacing-lg);
            }
            .hero {
                padding: 80px 0;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .hero p {
                font-size: 1.2rem;
            }
            .feature-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background-color: var(--dark);
                padding: var(--spacing-lg);
                gap: var(--spacing-md);
                box-shadow: 0 8px 15px rgba(0,0,0,0.3);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .btn {
                padding: 10px 22px;
                font-size: 1rem;
            }
            .hero {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .section {
                padding: var(--spacing-lg);
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tips-list li {
                flex-direction: column;
                gap: var(--spacing-md);
            }
            .tip-number {
                align-self: flex-start;
            }
        }
        @media (max-width: 576px) {
            .header-content {
                justify-content: space-between;
            }
            .logo {
                font-size: 1.7rem;
            }
            .button-group {
                display: flex;
                gap: var(--spacing-sm);
            }
            .btn {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
            .hero {
                padding: 50px 0;
                border-radius: 0 0 30px 30px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .section {
                padding: var(--spacing-md);
            }
            .section-title {
                font-size: 1.7rem;
            }
            .block-title {
                font-size: 1.3rem;
            }
            p {
                font-size: 1rem;
                line-height: 1.8;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-value {
                font-size: 2.5rem;
            }
            .community-img {
                height: 180px;
            }
            .copyright {
                font-size: 0.9rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-xl {
            margin-top: var(--spacing-xl);
        }
        .italic {
            font-style: italic;
        }
        .uppercase {
            text-transform: uppercase;
        }
        .underline {
            text-decoration: underline;
        }