:root {
            --primary-blue: #1a237e;
            --accent-green: #00c853;
            --neutral-light: #f5f5f7;
            --neutral-dark: #212121;
            --text-primary: #333;
            --text-secondary: #666;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--neutral-light);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--accent-green);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue), #283593);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-green);
        }
        .logo a:hover {
            color: #bbdefb;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-green);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: var(--text-secondary);
        }
        main {
            padding: 2.5rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--primary-blue);
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--primary-blue);
            border-bottom: 3px solid var(--accent-green);
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            margin: 1.8rem 0 1rem;
            color: #3949ab;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #e8f5e9;
            border-left: 5px solid var(--accent-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.8rem;
            color: var(--accent-green);
            margin-bottom: 0.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .schedule-table th, .schedule-table td {
            border: 1px solid #ddd;
            padding: 1rem;
            text-align: left;
        }
        .schedule-table th {
            background-color: var(--primary-blue);
            color: white;
            font-weight: 600;
        }
        .schedule-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .schedule-table tr:hover {
            background-color: #e3f2fd;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, select, textarea {
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-blue), #3949ab);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, var(--accent-green), #00e676);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 200, 83, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
            margin: 0.5rem 0;
        }
        .star-rating i {
            cursor: pointer;
        }
        footer {
            background-color: var(--neutral-dark);
            color: #eee;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbdefb;
        }
        friend-link {
            display: block;
            background-color: #37474f;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        friend-link h4 {
            color: var(--accent-green);
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        friend-link a {
            color: #e3f2fd;
            padding: 0.5rem 1rem;
            background-color: #455a64;
            border-radius: 6px;
        }
        friend-link a:hover {
            background-color: var(--accent-green);
            color: var(--neutral-dark);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #546e7a;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-blue);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 1.8rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            friend-link ul {
                flex-direction: column;
            }
        }