* {
            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;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }
        .logo:hover {
            color: #ffd700;
            transition: color 0.3s ease;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background-color 0.3s ease;
        }
        .nav-mobile a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 20px;
            background-color: #f1f3f4;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #667eea;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #e1e5e9;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .search-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-btn:hover {
            background: #5a6fd8;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-title {
            font-size: 2.5rem;
            color: #2d3748;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #718096;
            font-size: 0.9rem;
            display: flex;
            gap: 1rem;
            align-items: center;
        }
        .article-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 1.8rem;
            color: #2d3748;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #667eea;
        }
        .subsection-title {
            font-size: 1.4rem;
            color: #4a5568;
            margin: 1.5rem 0 1rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid #667eea;
        }
        .code-list {
            background: #f7fafc;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        .code-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .code-item:last-child {
            border-bottom: none;
        }
        .code-reward {
            color: #48bb78;
            font-weight: bold;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.2rem;
            color: #2d3748;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .rating-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #e2e8f0;
        }
        .star-rating .star {
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #f6ad55;
        }
        .rating-input {
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 5px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
        }
        .rating-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .submit-btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        .submit-btn:hover {
            background: #5a6fd8;
        }
        .comments-section {
            background: white;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .comment-input {
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 5px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
        }
        .comment-input:focus {
            outline: none;
            border-color: #667eea;
        }
        .comment {
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1rem;
            background: #f7fafc;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        .comment-author {
            font-weight: bold;
            color: #2d3748;
        }
        .comment-date {
            color: #718096;
            font-size: 0.9rem;
        }
        .footer-links {
            background: white;
            padding: 2rem;
            margin: 2rem 0 0 0;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem 0.5rem 0;
            padding: 0.5rem 1rem;
            background: #f7fafc;
            border-radius: 20px;
            text-decoration: none;
            color: #667eea;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: #667eea;
            color: white;
            transform: translateY(-2px);
        }
        footer {
            background: #2d3748;
            color: white;
            padding: 3rem 0 1rem 0;
            margin-top: 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            margin-bottom: 1rem;
            color: #f7fafc;
        }
        .footer-section a {
            color: #cbd5e0;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }
        .footer-section a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }
        .bold {
            font-weight: bold;
            color: #2d3748;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .main-content {
                gap: 1rem;
            }
            .article-content, .sidebar {
                padding: 1rem;
            }
        }