:root {
            --primary-color: #7c3aed;
            --secondary-color: #1e1b4b;
            --accent-color: #f59e0b;
            --text-light: #f8fafc;
            --text-dark: #1e293b;
            --bg-light: #ffffff;
            --bg-dark: #0f172a;
            --gray-300: #cbd5e1;
            --gray-500: #64748b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--secondary-color), #312e81);
            color: var(--text-light);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent-color);
            transform: scale(1.02);
        }
        .my-logo i {
            color: var(--accent-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.2rem;
        }
        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 4px;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-color);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-color);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f1f5f9;
            font-size: 0.95rem;
            color: var(--gray-500);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: var(--gray-500);
        }
        .search-section {
            background: linear-gradient(90deg, #4f46e5, #7c3aed);
            padding: 2.5rem 0;
            text-align: center;
            color: white;
            margin-bottom: 2.5rem;
        }
        .search-section h2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 1.2rem 1.8rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--accent-color);
            color: var(--secondary-color);
            border: none;
            padding: 0 2.2rem;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #eab308;
        }
        main {
            flex: 1;
            padding: 2rem 0 4rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--bg-light);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid var(--gray-300);
        }
        .article-header h1 {
            font-size: 3rem;
            line-height: 1.2;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            color: var(--gray-500);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--primary-color);
            font-weight: 600;
        }
        .featured-img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.005);
        }
        article h2 {
            font-size: 2.2rem;
            color: var(--secondary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        article h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.4rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            border-left: 5px solid var(--accent-color);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: var(--secondary-color);
        }
        .link-box {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            margin: 1rem 0;
            transition: var(--transition);
        }
        .link-box:hover {
            background-color: #6d28d9;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(124, 58, 237, 0.3);
        }
        .related-links {
            background-color: #f8fafc;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            border: 1px solid var(--gray-300);
        }
        .related-links h3 {
            margin-top: 0;
            color: var(--secondary-color);
        }
        .related-links ul {
            list-style-position: inside;
            color: var(--primary-color);
        }
        .related-links li {
            margin-bottom: 0.8rem;
        }
        .related-links a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .related-links a:hover {
            text-decoration: underline;
            color: var(--secondary-color);
        }
        aside {
            background-color: #f8fafc;
            padding: 2rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--gray-300);
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #fbbf24;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            transform: scale(1.2);
        }
        .rating-form input,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form button,
        .comment-form button {
            width: 100%;
            padding: 1rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background-color: #6d28d9;
        }
        .toc {
            list-style: none;
        }
        .toc li {
            margin-bottom: 0.8rem;
            padding-left: 0.5rem;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .toc li:hover {
            border-left-color: var(--accent-color);
            padding-left: 1rem;
        }
        .toc a {
            color: var(--text-dark);
            text-decoration: none;
            display: block;
        }
        .toc a:hover {
            color: var(--primary-color);
            font-weight: 600;
        }
        .comments-section {
            margin-top: 4rem;
            background-color: #f8fafc;
            padding: 2.5rem;
            border-radius: var(--border-radius);
        }
        .comments-section h2 {
            color: var(--secondary-color);
            margin-bottom: 2rem;
        }
        .comment {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            color: var(--gray-500);
            font-size: 0.9rem;
        }
        footer {
            background-color: var(--secondary-color);
            color: var(--text-light);
            padding: 3.5rem 0 2rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h3 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            margin: 0.5rem;
            transition: var(--transition);
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background-color: rgba(245, 158, 11, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--secondary-color);
                flex-direction: column;
                padding: 1.5rem;
                text-align: center;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.3rem;
            }
            article h2 {
                font-size: 1.9rem;
            }
            article h3 {
                font-size: 1.6rem;
            }
            .search-section h2 {
                font-size: 1.8rem;
            }
        }