:root {
            --primary: #e63946;
            --secondary: #1d3557;
            --accent: #ffb703;
            --light: #f1faee;
            --dark: #2a2a2a;
            --gray: #8d99ae;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 12px;
            --shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b36 100%);
            color: var(--light);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .my-logo:hover {
            color: var(--light);
            transform: scale(1.03);
            transition: all 0.3s ease;
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .desktop-nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
            transition: all 0.3s ease;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--secondary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: var(--spacing-md);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--light);
            text-decoration: none;
            padding: var(--spacing-sm);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: var(--primary);
            padding-left: var(--spacing-md);
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            background-color: #f8f9fa;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 5px;
        }
        main {
            padding: var(--spacing-md) 0;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            margin-bottom: var(--spacing-lg);
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
            border-bottom: 4px solid var(--accent);
            padding-bottom: var(--spacing-sm);
        }
        h2 {
            color: var(--primary);
            font-size: 2.2rem;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            padding-bottom: var(--spacing-xs);
            border-bottom: 2px solid var(--light);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.7rem;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-xs);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(90deg, var(--light) 0%, transparent 100%);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
        }
        .highlight {
            background-color: #fffacd;
            padding: var(--spacing-sm);
            border-left: 5px solid var(--accent);
            margin: var(--spacing-md) 0;
            font-style: italic;
        }
        .info-box {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
            border: 1px solid #90caf9;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .info-box h3 {
            color: #1565c0;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -0.5rem;
            margin-bottom: var(--spacing-md);
        }
        .content-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary);
            padding-bottom: 2px;
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        .interactive-module {
            background-color: #f9f9f9;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
            border: 1px solid #e0e0e0;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            color: var(--secondary);
            margin-bottom: var(--spacing-sm);
        }
        .module-title i {
            color: var(--primary);
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        button, .btn {
            background: linear-gradient(135deg, var(--primary) 0%, #c1121f 100%);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-xs);
            text-decoration: none;
            max-width: max-content;
        }
        button:hover, .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent);
        }
        footer {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b36 100%);
            color: var(--light);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-top: var(--spacing-md);
        }
        friend-link h4 {
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .friend-links a {
            background-color: rgba(255,255,255,0.1);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .friend-links a:hover {
            background-color: var(--primary);
            transform: translateY(-2px);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: var(--spacing-md);
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: var(--gray);
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-sm);
            border-top: 1px solid #eee;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .keyword {
            background-color: #e3f2fd;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: var(--secondary);
        }