:root {
            --primary-blue: #0033a0;
            --secondary-red: #d22630;
            --accent-gold: #ffd700;
            --dark-bg: #0a0a1a;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--light-bg) 0%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-red);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to right, var(--dark-bg), var(--primary-blue));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, #fff, var(--accent-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo:hover {
            transform: scale(1.02);
        }
        .nav-primary {
            display: flex;
            gap: 2rem;
        }
        .nav-primary a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-primary a:hover {
            color: var(--accent-gold);
        }
        .nav-primary a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition);
        }
        .nav-primary a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--accent-gold);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid var(--primary-blue);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            color: var(--primary-blue);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #666;
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .article-meta i {
            color: var(--secondary-red);
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .content-main h2 {
            font-size: 2.2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-gold);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-red);
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #333;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 215, 0, 0.15) 0%, transparent 100%);
            border-left: 4px solid var(--accent-gold);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .internal-link {
            font-weight: 600;
            color: var(--secondary-red);
            border-bottom: 1px dashed var(--secondary-red);
        }
        .internal-link:hover {
            border-bottom-style: solid;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-red);
        }
        .quick-links ul {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .quick-links li::before {
            content: '⚽';
            position: absolute;
            left: 0;
        }
        .interactive-module {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .module-title {
            text-align: center;
            font-size: 1.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            cursor: pointer;
        }
        .star {
            color: #ddd;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-blue);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-red));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 51, 160, 0.3);
        }
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            display: inline-block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
            text-align: center;
        }
        friend-link a {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-bg);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .nav-primary.active {
                display: flex;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo-container {
                width: 100%;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .sidebar {
                position: static;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        .emoji-badge {
            display: inline-block;
            background: var(--secondary-red);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-right: 0.5rem;
            vertical-align: middle;
        }
        .key-term {
            font-weight: 700;
            color: var(--primary-blue);
            background: rgba(0, 51, 160, 0.05);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }