:root {
            --primary-blue: #0033a0;
            --secondary-red: #d22630;
            --accent-gold: #ffd700;
            --dark-bg: #0a1f2e;
            --light-bg: #f5f7fa;
            --text-dark: #222222;
            --text-light: #ffffff;
            --gray-border: #e1e5eb;
            --shadow: 0 4px 12px rgba(0, 51, 160, 0.08);
            --transition: all 0.3s ease;
            --max-width: 1280px;
        }
        * {
            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-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-bg) 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0,0,0,0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--accent-gold), #ffffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            padding: 5px 0;
            letter-spacing: -0.5px;
        }
        .logo:hover {
            transform: scale(1.02);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f0f4f8;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a {
            color: var(--primary-blue);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-box {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 2px solid var(--gray-border);
        }
        .search-box input {
            flex-grow: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary-red);
        }
        main {
            padding: 2rem 0 4rem;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        h1 {
            color: var(--primary-blue);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent-gold);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--dark-bg);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid var(--secondary-red);
        }
        h3 {
            color: var(--primary-blue);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #444;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-gold);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-width: 900px;
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background-color: #f9f9f9;
        }
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .info-card {
            background: #f8fafc;
            border-radius: 8px;
            padding: 1.5rem;
            border-top: 4px solid var(--primary-blue);
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 18px rgba(0,0,0,0.08);
        }
        .link-list {
            columns: 2;
            column-gap: 2rem;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        .link-list a {
            color: var(--primary-blue);
            padding: 5px 0;
            display: inline-block;
            border-bottom: 1px dashed transparent;
        }
        .link-list a:hover {
            border-bottom: 1px dashed var(--primary-blue);
            color: var(--secondary-red);
        }
        .interactive-section {
            background: linear-gradient(to right, #f8fafc, #ffffff);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid var(--gray-border);
        }
        .rating-container, .comment-container {
            margin-top: 2rem;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-border);
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 51, 160, 0.1);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-blue);
            color: white;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .btn:hover {
            background-color: var(--secondary-red);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(210, 38, 48, 0.2);
        }
        footer {
            background-color: var(--dark-bg);
            color: #ccc;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent-gold);
            display: inline-block;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3f54;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .link-list {
                columns: 1;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            article {
                padding: 1.5rem;
            }
            .header-container {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
            .search-container {
                margin: 1.5rem auto;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .search-box button {
                padding: 0 20px;
            }
            .interactive-section {
                padding: 1.5rem;
            }
        }