* {
            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: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding-bottom: 20px;
        }
        a {
            text-decoration: none;
            color: #4a6ee0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6b6b;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(90deg, #2c3e50, #4a6ee0);
            color: white;
            padding: 15px 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;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffd700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            color: #fff;
        }
        .search-form {
            display: flex;
            flex: 0 1 300px;
        }
        .search-form input {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: 4px 0 0 4px;
            outline: none;
        }
        .search-form button {
            background: #ff6b6b;
            color: white;
            border: none;
            padding: 10px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #ff4757;
        }
        nav {
            margin-top: 15px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #ccc;
        }
        .breadcrumb a {
            color: #ffd700;
        }
        main {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            padding: 30px;
            margin-top: 20px;
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #4a6ee0;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #4a6ee0;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-left: 10px;
            border-left: 5px solid #ff6b6b;
        }
        h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: #fffacd;
            padding: 15px;
            border-left: 4px solid #ffd700;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #777;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px dashed #ddd;
        }
        .comment-form, .rating-form {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .comment-form h3, .rating-form h3 {
            color: #4a6ee0;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffd700;
            cursor: pointer;
        }
        .star:hover {
            color: #ff6b6b;
        }
        button[type="submit"] {
            background: #4a6ee0;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
            width: 100%;
        }
        button[type="submit"]:hover {
            background: #2c3e50;
        }
        footer {
            margin-top: 40px;
            padding: 20px;
            background: #2c3e50;
            color: white;
            border-radius: 10px;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 20px;
        }
        friend-link {
            display: inline-block;
            padding: 8px 15px;
            background: #4a6ee0;
            border-radius: 20px;
            transition: transform 0.3s, background 0.3s;
        }
        friend-link:hover {
            background: #ff6b6b;
            transform: translateY(-3px);
        }
        friend-link a {
            color: white;
            font-weight: 600;
        }
        .copyright {
            font-size: 0.9rem;
            color: #ccc;
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            .search-form {
                width: 100%;
                max-width: 100%;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 15px;
            }
            .nav-links {
                flex-direction: column;
                display: none;
                width: 100%;
                background: rgba(44, 62, 80, 0.95);
                padding: 15px;
                border-radius: 8px;
                margin-top: 10px;
            }
            #nav-toggle:checked ~ .nav-links {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main {
                padding: 20px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: bold;
            color: #2c3e50;
        }
        .center {
            text-align: center;
        }