:root {
            --primary-blue: #0a2472;
            --secondary-gold: #c9a227;
            --accent-red: #b3001b;
            --dark-bg: #0c0c1d;
            --light-bg: #f5f5f7;
            --text-dark: #1a1a2e;
            --text-light: #e6e6ea;
            --border-color: #2a2a4a;
            --shadow: 0 5px 15px rgba(10, 36, 114, 0.15);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-blue) 100%);
            color: var(--text-light);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary-gold);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.03);
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9ecef;
            color: var(--text-dark);
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--secondary-gold);
        }
        .search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            padding: 0.3rem 1rem;
        }
        .search-form input {
            background: transparent;
            border: none;
            color: white;
            padding: 0.5rem;
            width: 200px;
            outline: none;
        }
        .search-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .search-form button {
            background: none;
            border: none;
            color: var(--secondary-gold);
            cursor: pointer;
            font-size: 1.1rem;
        }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex: 1;
        }
        article {
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            overflow: hidden;
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--primary-blue);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-gold);
            padding-bottom: 1rem;
        }
        h2 {
            color: var(--accent-red);
            font-size: 2.1rem;
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
        }
        h3 {
            color: var(--primary-blue);
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #444;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: var(--primary-blue);
            font-weight: 600;
            padding: 1rem;
            background-color: #f0f5ff;
            border-left: 5px solid var(--secondary-gold);
            border-radius: 5px;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            border-bottom: 2px dashed #eee;
            color: #666;
            font-size: 0.95rem;
        }
        .update-time {
            background-color: var(--secondary-gold);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: bold;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            border: 3px solid var(--secondary-gold);
        }
        .content-link {
            color: var(--accent-red);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-red);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary-blue);
            border-bottom-style: solid;
        }
        blockquote {
            border-left: 5px solid var(--secondary-gold);
            background-color: #f9f9f9;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            border-radius: 0 8px 8px 0;
        }
        .stats-box {
            background: linear-gradient(to right, var(--dark-bg), var(--primary-blue));
            color: white;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-gold);
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        .interactive-section {
            background-color: #f8f9fa;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--secondary-gold);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--primary-blue);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(10, 36, 114, 0.1);
        }
        .btn {
            background: linear-gradient(to right, var(--primary-blue), var(--accent-red));
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            align-self: flex-start;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(10, 36, 114, 0.3);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: var(--secondary-gold);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--secondary-gold);
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.05);
            padding: 0.8rem 1.2rem;
            margin: 0.3rem;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        friend-link a {
            color: var(--secondary-gold);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(201, 162, 39, 0.1);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .header-container {
                flex-wrap: wrap;
            }
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu a {
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                justify-content: center;
            }
            .search-form input {
                width: 100%;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            article {
                padding: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .main-container,
            .site-header,
            .breadcrumb {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
        }
        @media print {
            .site-header,
            .breadcrumb,
            .interactive-section,
            .site-footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
        }