:root {
            --primary-dark: #0c1a2d;
            --primary-gold: #d4af37;
            --primary-red: #9e2a2b;
            --secondary-blue: #1e3a8a;
            --light-bg: #f8f9fa;
            --text-light: #e9ecef;
            --text-dark: #212529;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #0c1a2d 0%, #1a2b4d 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        a {
            color: var(--primary-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-gold);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Cinzel', serif;
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(to right, #d4af37, #ffd700);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        nav a:hover {
            background-color: rgba(212, 175, 55, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--primary-gold);
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a0c8ff;
        }
        main {
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem auto;
            padding: 2.5rem;
            overflow: hidden;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
        }
        h1 {
            color: var(--primary-dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid var(--primary-gold);
            padding-left: 1.5rem;
        }
        h2 {
            color: var(--secondary-blue);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            color: var(--primary-red);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #495057;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            color: var(--secondary-blue);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #f1f8ff;
            border-left: 4px solid var(--secondary-blue);
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feature-card {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-top: 4px solid var(--primary-gold);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
        }
        .feature-card i {
            font-size: 2rem;
            color: var(--primary-gold);
            margin-bottom: 1rem;
        }
        .form-section {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: var(--primary-gold);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-gold), #c19b2a);
            color: var(--primary-dark);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ffd700, #d4af37);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            text-decoration: none;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment {
            background-color: white;
            border: 1px solid #e9ecef;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            color: #6c757d;
        }
        footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-gold);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            main { padding: 1.8rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav li {
                width: 100%;
            }
            nav a {
                display: block;
                padding: 0.8rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            .container { padding: 0 15px; }
            main { padding: 1.5rem; margin: 1rem auto; }
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-3 { margin-top: 1.5rem; }
        .updated-time {
            font-style: italic;
            color: #6c757d;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }