* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2a5db0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1e3a8a;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0d3b66 0%, #1a5f7a 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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #ffcc00;
        }
        .my-logo {
            font-family: 'Courier New', monospace;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .breadcrumb {
            font-size: 0.9rem;
            margin-top: 0.5rem;
            color: #cbd5e1;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb a:hover {
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #0d3b66;
                padding: 1rem;
                display: none;
                box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            }
            nav ul.show {
                display: flex;
            }
            nav li {
                width: 100%;
            }
            nav a {
                display: block;
                padding: 1rem;
            }
        }
        .hero {
            background: url('https://images.unsplash.com/photo-1532795986-dbef1643a596?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 1rem;
            margin-bottom: 2rem;
            position: relative;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
        }
        .search-box h2 {
            margin-bottom: 1rem;
            color: #0d3b66;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #0d3b66;
        }
        .search-button {
            padding: 0.8rem 1.5rem;
            background: #0d3b66;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: #1a5f7a;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .article-meta {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 2rem;
            border-bottom: 1px solid #e5e7eb;
            padding-bottom: 1rem;
        }
        .article-meta .update-time {
            color: #0d3b66;
            font-weight: 600;
        }
        h1, h2, h3, h4 {
            color: #0d3b66;
            margin-top: 1.5em;
            margin-bottom: 0.5em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid #1a5f7a;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            color: #1a5f7a;
        }
        h4 {
            font-size: 1.2rem;
            color: #2a5db0;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffbcc;
            padding: 1rem;
            border-left: 4px solid #ffcc00;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        strong {
            color: #0d3b66;
            font-weight: 700;
        }
        .image-wrapper {
            margin: 2rem 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-wrapper img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        sidebar h3 {
            margin-top: 0;
            color: #0d3b66;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        .sidebar-links {
            list-style: none;
            margin-top: 1rem;
        }
        .sidebar-links li {
            margin-bottom: 0.8rem;
        }
        .sidebar-links a {
            display: block;
            padding: 0.8rem;
            background: #f1f5f9;
            border-radius: 8px;
            transition: background 0.3s ease;
        }
        .sidebar-links a:hover {
            background: #e2e8f0;
        }
        .user-interaction {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            margin-top: 2rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #0d3b66;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #0d3b66;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .submit-button {
            padding: 0.8rem 1.5rem;
            background: #0d3b66;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
            align-self: flex-start;
        }
        .submit-button:hover {
            background: #1a5f7a;
        }
        footer {
            background: #0d3b66;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffcc00;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            text-align: center;
        }
        friend-link a {
            color: #ffcc00;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #cbd5e1;
        }