* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.8;
            font-size: 18px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ff9a00, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .desktop-nav a:hover {
            background-color: rgba(255,255,255,0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1e3c72;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 8px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 6px solid #ff9a00;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ddd;
        }
        h3 {
            font-size: 1.6rem;
            color: #444;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-left: 5px solid #ffcc00;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background-color: #e7f5ff;
            border: 2px solid #2c5aa0;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .tip-box h4 {
            color: #1e3c72;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .search-box {
            margin-bottom: 2rem;
        }
        .search-box h3 {
            margin-bottom: 1rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #2c5aa0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #2c5aa0;
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #1e3c72;
        }
        .rating-section, .comment-section {
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 12px;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #444;
        }
        .form-group input,
        .form-group textarea {
            padding: 0.9rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #2c5aa0;
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #ff9a00, #ffcc00);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255,154,0,0.4);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0 2rem;
        }
        .web-link {
            background: #e9ecef;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #2c5aa0;
            transform: translateY(-5px);
        }
        .web-link:hover a {
            color: white;
        }
        .web-link a {
            font-weight: 600;
            font-size: 1rem;
        }
        footer {
            background: #1e3c72;
            color: white;
            padding: 2.5rem 0;
            text-align: center;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.95rem;
            color: #ccc;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            width: 100%;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            article, aside {
                padding: 1.5rem;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .web-links {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 8px;
                margin-bottom: 0.5rem;
            }
            .search-form button {
                border-radius: 8px;
                width: 100%;
            }
        }