* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #1a365d; 
            --secondary: #c53030; 
            --accent: #ecc94b; 
            --dark: #2d3748;
            --light: #f7fafc;
            --gray: #a0aec0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background: var(--light);
            overflow-x: hidden;
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section { padding: 60px 0; }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--primary);
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
        }
        .subsection-title {
            font-size: 1.8rem;
            margin: 1.5rem 0 1rem;
            color: var(--primary);
        }
        .subsubsection-title {
            font-size: 1.4rem;
            margin: 1.2rem 0 0.8rem;
            color: var(--dark);
        }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .highlight { background-color: #fff3cd; padding: 5px 10px; border-radius: 4px; }
        .bold { font-weight: 800; color: var(--primary); }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .last-updated {
            font-style: italic;
            color: var(--gray);
            text-align: right;
            margin-top: 40px;
            padding-top: 10px;
            border-top: 1px dashed var(--gray);
        }
        header {
            background: var(--primary);
            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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover { color: white; text-decoration: none; }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .nav-desktop a:hover {
            background: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--primary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: white;
            padding: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            background: #edf2f7;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: var(--gray);
        }
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.9), rgba(26, 54, 93, 0.7)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-box h2 { text-align: center; margin-bottom: 20px; }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--gray);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-form button:hover { background: #9b2c2c; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .main-content {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-bottom: 15px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
        }
        .img-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .comment-rating-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid var(--primary);
        }
        .comment-rating-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        .comment-form, .rating-form {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .form-group { margin-bottom: 20px; }
        label { display: block; margin-bottom: 8px; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            font-family: inherit;
        }
        textarea { min-height: 150px; resize: vertical; }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .rating-stars input { display: none; }
        .rating-stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars input:checked ~ label { color: var(--accent); }
        .submit-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover { background: var(--secondary); }
        footer {
            background: var(--primary);
            color: white;
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 20px;
        }
        .footer-links h3 {
            margin-bottom: 20px;
            color: var(--accent);
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: #cbd5e0; }
        .footer-links a:hover { color: white; }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            margin: 10px 0;
            border-radius: var(--radius);
            border-left: 3px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mt-4 { margin-top: 2rem; }
        .mb-4 { margin-bottom: 2rem; }
        .p-3 { padding: 1.5rem; }