* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #ff6b8b;
            --secondary-color: #6a11cb;
            --accent-color: #ffd166;
            --text-color: #333;
            --light-bg: #f9f7fe;
            --dark-bg: #2d3047;
            --success-color: #06d6a0;
            --warning-color: #ff9e00;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Arial Rounded MT Bold', 'Arial', sans-serif;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .site-header {
            background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo i {
            color: var(--accent-color);
            font-size: 2.5rem;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 70%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark-bg);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background: white;
            padding: 1rem 2rem;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-item a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-item a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .breadcrumb-item::after {
            content: '›';
            margin-left: 0.5rem;
            color: #999;
        }
        .breadcrumb-item:last-child::after {
            content: '';
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            padding-bottom: 1.5rem;
            border-bottom: 3px solid var(--accent-color);
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--accent-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead-paragraph {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-bg);
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary-color);
            margin-bottom: 2.5rem;
        }
        .info-box {
            background: linear-gradient(135deg, #e0f7fa, #bbdefb);
            border-left: 5px solid #2196f3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .warning-box {
            background: linear-gradient(135deg, #fff3e0, #ffecb3);
            border-left: 5px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: var(--border-radius);
        }
        .code-block {
            background: #2d3047;
            color: #f8f8f2;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            font-family: 'Courier New', monospace;
            margin: 2rem 0;
            overflow-x: auto;
            border: 1px solid #444;
        }
        .internal-link {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            transition: var(--transition);
            border-bottom: 2px dotted transparent;
        }
        .internal-link:hover {
            background: rgba(106, 17, 203, 0.1);
            border-bottom-color: var(--secondary-color);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .interactive-section {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            border: 2px dashed var(--primary-color);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: var(--font-main);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 107, 139, 0.2);
        }
        .btn {
            padding: 0.8rem 2rem;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1rem;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(255, 107, 139, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning-color);
            transform: scale(1.2);
        }
        .sidebar {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        .related-links a {
            color: var(--secondary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
            font-weight: 500;
        }
        .related-links a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .site-footer {
            background: var(--dark-bg);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0.5rem 1rem;
            }
            .article-content {
                padding: 2rem 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .main-container {
                padding: 0 1rem;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate {
            animation: fadeInUp 0.6s ease-out;
        }
        .text-highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: 700;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }