* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #d35400;
            --secondary-color: #2c3e50;
            --accent-color: #e67e22;
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --text-color: #333;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            font-size: 18px;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--secondary-color), #1a252f);
            color: white;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent-color);
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: #f5f5f5;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: #777;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h1 {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 1rem;
        }
        article h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--primary-color);
        }
        article h3 {
            font-size: 1.6rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin: 1.5rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff8e1, #ffecb3);
            border-left: 4px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .content-image {
            margin: 2.5rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .content-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .content-image:hover img {
            transform: scale(1.03);
        }
        .update-time {
            display: inline-block;
            background-color: #e8f5e9;
            color: #2e7d32;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            margin: 1.5rem 0;
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .search-form {
            display: flex;
            gap: 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--accent-color);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 2px solid var(--border-color);
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .comment-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
        }
        footer {
            background: var(--secondary-color);
            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-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .friend-links a {
            color: #ddd;
            padding: 0.5rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .friend-links a:hover {
            background-color: rgba(255,255,255,0.1);
            color: white;
            text-decoration: none;
            padding-left: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
            article h1 {
                font-size: 2.4rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
                order: 1;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1.5rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-radius: var(--border-radius);
            }
            article {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
            body {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article {
                padding: 1.2rem;
            }
            article h1 {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget {
            animation: fadeIn 0.6s ease-out;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .data-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .data-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .data-table tr:hover {
            background-color: #fff8e1;
        }
        .code-block {
            background-color: #2d3a4b;
            color: #e6e6e6;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            margin: 2rem 0;
            overflow-x: auto;
            line-height: 1.5;
        }
        .code-keyword {
            color: #569cd6;
        }
        .code-comment {
            color: #6a9955;
        }
        .code-string {
            color: #ce9178;
        }
        .content-link {
            color: var(--primary-color);
            font-weight: 600;
            border-bottom: 2px dotted var(--primary-color);
            padding-bottom: 2px;
        }
        .content-link:hover {
            border-bottom-style: solid;
            text-decoration: none;
        }