* {
            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 {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            font-size: 2rem;
        }
        .nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-list a {
            color: white;
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .nav-list a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        .main-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
            flex: 1;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .article {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        .article h1 {
            font-size: 2.5rem;
            color: #1a237e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article h2 {
            font-size: 2rem;
            color: #4a148c;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #e0e0e0;
        }
        .article h3 {
            font-size: 1.5rem;
            color: #333;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
        .article h4 {
            font-size: 1.2rem;
            color: #555;
            margin-top: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .article p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .article emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 4px;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            margin: 0 auto;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            color: #1a237e;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .search-form input, .comment-form textarea, .comment-form input, .rating-form select {
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        .search-form button, .comment-form button, .rating-form button {
            background: #007bff;
            color: white;
            border: none;
            padding: 0.75rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .search-form button:hover, .comment-form button:hover, .rating-form button:hover {
            background: #0056b3;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffc107;
        }
        .footer {
            background: #1a237e;
            color: white;
            padding: 2rem 1rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #ffcc80;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #bbdefb;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #bbdefb;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .nav-list a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1rem;
                right: 1rem;
            }
            #nav-toggle:checked ~ .nav-list {
                display: flex;
            }
            .main-container {
                grid-template-columns: 1fr;
            }
            .article h1 {
                font-size: 2rem;
            }
            .article h2 {
                font-size: 1.6rem;
            }
        }
        @media (min-width: 769px) {
            .main-container {
                grid-template-columns: 2fr 1fr;
            }
        }
        .update-time {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list {
            list-style: none;
            padding: 1rem;
            background: #f1f8ff;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin-bottom: 0.5rem;
        }
        .quote {
            font-style: italic;
            color: #555;
            border-left: 4px solid #007bff;
            padding-left: 1rem;
            margin: 1.5rem 0;
        }