:root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        .header-container {
            background: linear-gradient(135deg, var(--primary) 0%, #2c5282 100%);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--accent);
            transform: scale(1.05);
            transition: var(--transition);
        }
        .search-container {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 2rem;
        }
        .search-form {
            display: flex;
            position: relative;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.9);
        }
        .search-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #c53030;
        }
        .nav-container {
            background: rgba(0, 0, 0, 0.2);
            padding: 0 2rem;
        }
        .breadcrumb {
            padding: 0.75rem 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 120px;
                left: 0;
                width: 100%;
                background: var(--primary);
                flex-direction: column;
                padding: 2rem;
                gap: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .search-container {
                margin: 1rem 0;
                max-width: 100%;
            }
            .top-bar {
                flex-wrap: wrap;
                padding: 1rem;
            }
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 4px solid var(--secondary);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--gray);
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 600;
            background: linear-gradient(to right, rgba(246, 173, 85, 0.1), transparent);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border-left: 4px solid var(--accent);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(246, 173, 85, 0.2) 0%, rgba(246, 173, 85, 0) 100%);
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border: 1px solid rgba(246, 173, 85, 0.3);
        }
        .content-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .content-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: var(--light);
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border-top: 4px solid var(--secondary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .stat-label {
            color: var(--gray);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .quote {
            font-style: italic;
            color: var(--primary);
            padding: 2rem;
            background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
            border-radius: var(--radius);
            margin: 2rem 0;
            position: relative;
        }
        .quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--accent);
            position: absolute;
            top: -1rem;
            left: 1rem;
            opacity: 0.3;
        }
        .internal-links {
            background: var(--light);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.75rem;
            list-style: none;
        }
        .internal-links a {
            color: var(--primary);
            text-decoration: none;
            padding: 0.5rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            border-radius: 4px;
        }
        .internal-links a:hover {
            background: rgba(26, 54, 93, 0.1);
            color: var(--secondary);
            transform: translateX(5px);
        }
        .internal-links i {
            color: var(--accent);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .sidebar-section {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .interaction-form {
            background: var(--light);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--dark);
            font-weight: 600;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(246, 173, 85, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #cbd5e0;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label {
            color: var(--accent);
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.875rem 2rem;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background: #c53030;
            transform: translateY(-2px);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        friend-link {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--accent);
            text-decoration: none;
            padding: 0.5rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
            padding-left: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .text-primary { color: var(--primary); }
        .text-bold { font-weight: 700; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .p-3 { padding: 3rem; }
        .flex { display: flex; }
        .items-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-2 { gap: 2rem; }
        .emoji-bullet {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .emoji-bullet span:first-child {
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .update-time {
            background: linear-gradient(to right, rgba(229, 62, 62, 0.1), transparent);
            padding: 1rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .update-time i {
            color: var(--secondary);
        }