* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        header {
            background: linear-gradient(135deg, #003366, #0066cc);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #ffcc00;
        }
        .logo i {
            font-size: 2rem;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        main {
            flex: 1;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #003366;
            margin-bottom: 1rem;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #0066cc;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #0099ff;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #666;
            margin-top: 1rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1rem;
            border-left: 5px solid #ffcc00;
            margin: 1.5rem 0;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .links-list {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .links-list ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }
        .links-list li {
            padding: 0.5rem;
        }
        .links-list a {
            color: #0056b3;
            font-weight: 500;
        }
        .links-list a:hover {
            text-decoration: underline;
        }
        .search-box {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #e3f2fd;
            border-radius: 10px;
            text-align: center;
        }
        .search-box form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #007bff;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-box button {
            padding: 0.8rem 1.5rem;
            background: #007bff;
            color: white;
            border: none;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-box button:hover {
            background: #0056b3;
        }
        .comment-section, .rating-section {
            margin-top: 3rem;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #ddd;
        }
        .comment-section h2, .rating-section h2 {
            color: #333;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .comment-form textarea, .rating-form select, .comment-form input {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        .comment-form button, .rating-form button {
            padding: 0.8rem;
            background: #28a745;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        .comment-form button:hover, .rating-form button:hover {
            background: #218838;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffcc00;
        }
        .update-time {
            font-size: 0.9rem;
            color: #6c757d;
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        footer {
            background: #003366;
            color: white;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ffcc00;
            font-weight: 500;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #0066cc;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #002244;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                z-index: 1000;
            }
            nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main {
                padding: 0 1rem;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box input, .search-box button {
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
        }