:root {
            --primary-color: #0033a0; 
            --secondary-color: #a6192e; 
            --accent-color: #d0a84f; 
            --text-dark: #222222;
            --text-light: #f5f5f5;
            --bg-light: #ffffff;
            --bg-dark: #1a1a1a;
            --gray-light: #e9ecef;
            --gray-medium: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--bg-light);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            text-transform: uppercase;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--secondary-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-link {
            font-weight: 600;
            font-size: 1rem;
            padding: 5px 0;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: var(--gray-light);
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 8px;
            color: var(--gray-medium);
        }
        .hero {
            background: linear-gradient(rgba(0, 51, 160, 0.85), rgba(166, 25, 46, 0.8)), url('https://www.playmetlifestadium.com/images/metlife-concert-hero.jpg') center/cover no-repeat;
            color: var(--text-light);
            padding: 80px 20px;
            text-align: center;
            margin-bottom: 50px;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-container {
            max-width: 700px;
            margin: 0 auto;
        }
        .search-form {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #8a1526;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--gray-light);
            color: var(--gray-medium);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            margin-top: 10px;
        }
        h2 {
            font-size: 2rem;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 30px;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 25px;
            font-size: 1.05rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f0f7ff;
            padding: 25px;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 35px;
        }
        .highlight-box {
            background-color: #fff8e1;
            border: 1px solid var(--accent-color);
            border-radius: var(--radius);
            padding: 25px;
            margin: 30px 0;
        }
        .highlight-box h4 {
            color: var(--secondary-color);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 0;
        }
        .tip {
            background-color: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip h4 {
            color: #2e7d32;
            margin-top: 0;
        }
        .image-container {
            margin: 40px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto 15px;
        }
        .image-caption {
            font-style: italic;
            color: var(--gray-medium);
            font-size: 0.9rem;
            text-align: center;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 25px;
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--gray-light);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        label {
            font-weight: 600;
            color: var(--text-dark);
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 51, 160, 0.1);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .submit-button:hover {
            background-color: #002580;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
            margin: 10px 0;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: inline-block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bbb;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #333;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        .friend-links a {
            background-color: #333;
            color: #bbb;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .friend-links a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            color: #999;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: block;
                order: 2;
            }
            nav {
                order: 3;
                flex-basis: 100%;
                display: none;
                margin-top: 20px;
            }
            nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
            }
            .nav-item {
                border-bottom: 1px solid var(--gray-light);
            }
            .nav-link {
                display: block;
                padding: 15px 0;
            }
            .hero {
                padding: 60px 20px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: 0;
                padding: 15px;
            }
            .article-content {
                padding: 25px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }