* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --secondary: #34a853;
            --accent: #ea4335;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
        }
        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #3c4043 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8f0fe;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #0d62d9;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            color: var(--dark);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            color: var(--gray);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .highlight {
            background: linear-gradient(120deg, #e1f5fe 0%, #f3e5f5 100%);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid var(--primary);
            margin: 2rem 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .code-item {
            background: var(--light);
            padding: 1.2rem;
            border-radius: 10px;
            text-align: center;
            border: 2px dashed var(--primary);
            transition: transform 0.3s;
        }
        .code-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(26,115,232,0.15);
        }
        .code-value {
            font-family: monospace;
            font-size: 1.3rem;
            color: var(--accent);
            font-weight: bold;
            margin: 10px 0;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background: var(--light);
            border-radius: 8px;
            color: var(--dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background: var(--primary);
            color: white;
            padding-left: 20px;
        }
        .comments-section, .rating-section {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        textarea, input {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background: #2a9545;
        }
        .article-image {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        footer {
            background: var(--dark);
            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-links a {
            color: #bdc1c6;
            display: block;
            margin-bottom: 10px;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3c4043;
            color: #9aa0a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background: var(--dark);
                width: 100%;
                padding: 2rem;
                transition: left 0.3s;
                gap: 1rem;
            }
            nav.active ul {
                left: 0;
            }
            h1 {
                font-size: 2rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
        }