* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --accent: #f39c12;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --gray: #95a5a6;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            color: var(--light);
        }
        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 {
            background-color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--light);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 5px;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 1.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--secondary);
            margin: 1.2rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--secondary);
            background-color: #ffeaa7;
            padding: 1rem;
            border-left: 5px solid var(--accent);
            border-radius: 0 5px 5px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            display: block;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        blockquote {
            background-color: #f8f9fa;
            border-left: 5px solid var(--secondary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-box {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-box h3 {
            font-size: 1.4rem;
            margin-top: 0;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid var(--gray);
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary);
        }
        .rating-box .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.5rem;
            color: var(--accent);
        }
        .rating-box form, .comment-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-box select, .comment-box input, .comment-box textarea {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        .comment-box textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--accent);
            transform: translateY(-3px);
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            padding: 0.8rem 0;
            border-bottom: 1px dashed #eee;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        footer {
            background-color: var(--primary);
            color: white;
            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: var(--accent);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .friend-link {
            background-color: #34495e;
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 1rem;
        }
        .friend-link a {
            color: white;
        }
        .friend-link a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6572;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #d1ecf1;
            color: #0c5460;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-size: 0.9rem;
            margin-top: 2rem;
            display: inline-block;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary);
                padding: 1rem 0;
                margin-top: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }