* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #e6b325;
            --accent: #2d3748;
            --light: #f7fafc;
            --dark: #1a202c;
            --success: #38a169;
            --danger: #e53e3e;
            --gray: #718096;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f4f8;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: white;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            padding: 1rem;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-mobile a {
            display: block;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .search-container {
            margin: 2rem 0;
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .search-btn {
            background-color: var(--secondary);
            color: var(--dark);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #d19d1f;
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .meta-info i {
            margin-right: 0.5rem;
        }
        .article-image {
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }
        .article-image img {
            width: 100%;
            transition: var(--transition);
        }
        .article-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            padding: 0.5rem;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            font-size: 0.9rem;
            text-align: center;
        }
        h2 {
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            color: var(--accent);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-left: 4px solid var(--secondary);
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background-color: #e6f7ff;
            padding: 1.5rem;
            border-left: 4px solid #1890ff;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background-color: #fff2e8;
            padding: 1.5rem;
            border-left: 4px solid #fa541c;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        strong {
            color: var(--primary);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-title {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
        }
        .base-list li {
            padding: 0.75rem;
            border-bottom: 1px solid #eee;
            transition: var(--transition);
        }
        .base-list li:hover {
            background-color: #f5f5f5;
            padding-left: 1.5rem;
        }
        .base-list i {
            color: var(--secondary);
            margin-right: 0.5rem;
        }
        .interactive-section {
            margin: 3rem 0;
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            padding: 2rem;
            border-radius: 12px;
            border: 2px dashed var(--secondary);
        }
        .rating-container, .comment-container {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .rating-title, .comment-title {
            color: var(--primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--secondary);
            transform: scale(1.2);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(230, 179, 37, 0.2);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary);
            color: var(--dark);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #d19d1f;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .footer-links {
            background: var(--primary);
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            padding: 0.75rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--secondary);
            color: var(--dark);
            transform: translateY(-3px);
        }
        .links-container {
            text-align: center;
        }
        .main-footer {
            background: var(--dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--secondary);
            color: var(--dark);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .submit-btn {
                align-self: stretch;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
        }