* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
            text-decoration: underline;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .hidden { display: none !important; }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #003366 0%, #00509e 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo span {
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            margin-top: 1px;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb span {
            color: #777;
        }
        .hero {
            background: linear-gradient(rgba(0, 50, 100, 0.85), rgba(0, 50, 100, 0.9)), url('https://images.unsplash.com/photo-1598880940080-ff9a29891b85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 4rem 1rem;
            text-align: center;
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.5rem;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-form {
            display: flex;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: #ffcc00;
            color: #003366;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.2rem;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #e6b800;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-content h2 {
            color: #003366;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.7rem;
            margin: 2.5rem 0 1.5rem;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #00509e;
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        .article-content h4 {
            color: #007bff;
            margin: 1.5rem 0 0.8rem;
            font-size: 1.3rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background: #f0f8ff;
            border-left: 5px solid #007bff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #003366;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        .user-interaction {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 2rem;
        }
        .interaction-title {
            color: #003366;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .submit-button {
            background: #28a745;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background: #218838;
        }
        .site-footer {
            background: #002244;
            color: #ccc;
            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 h3 {
            color: #ffcc00;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .main-nav.active {
                max-height: 500px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .article-content { padding: 1.5rem; }
            .article-content h2 { font-size: 1.7rem; }
            .article-content h3 { font-size: 1.4rem; }
        }