* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-green: #2ecc71;
            --secondary-green: #27ae60;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --accent-yellow: #f1c40f;
            --accent-red: #e74c3c;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary-green);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: var(--secondary-green);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--secondary-green);
            position: relative;
            padding-bottom: 10px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-yellow);
            border-radius: 2px;
        }
        .highlight {
            background: linear-gradient(120deg, #a8ff78 0%, #78ffd6 100%);
            padding: 0 5px;
            border-radius: 3px;
            font-weight: 600;
        }
        header {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-yellow);
        }
        .my-logo:hover {
            color: var(--accent-yellow);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background: rgba(46, 204, 113, 0.2);
            color: var(--primary-green);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-green);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 12px 20px;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary-green);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 3rem 0;
            text-align: center;
            border-radius: 0 0 30px 30px;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: var(--accent-yellow);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            gap: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border-radius: 50px;
            border: 2px solid transparent;
            font-size: 1rem;
            background: rgba(255,255,255,0.1);
            color: white;
            backdrop-filter: blur(10px);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary-green);
            background: rgba(255,255,255,0.15);
        }
        .search-box button {
            padding: 15px 30px;
            background: var(--primary-green);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--secondary-green);
            transform: scale(1.05);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: var(--shadow);
        }
        article section {
            margin-bottom: 3rem;
        }
        article h2 {
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1rem;
            border-left: 5px solid var(--primary-green);
            padding-left: 15px;
        }
        article h3 {
            font-size: 1.8rem;
            color: var(--secondary-green);
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article img {
            margin: 2rem auto;
            border-radius: 15px;
            box-shadow: var(--shadow);
            border: 5px solid white;
            max-width: 90%;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        blockquote {
            border-left: 4px solid var(--accent-yellow);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            background: #fff9e6;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        .tip-box {
            background: #e3f2fd;
            border-left: 5px solid #2196f3;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.5rem 0;
        }
        .tip-box strong {
            color: #0d47a1;
        }
        sidebar {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: var(--secondary-green);
            margin-bottom: 1rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #eee;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .update-time {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            font-size: 0.9rem;
            color: #666;
        }
        .update-time i {
            color: var(--primary-green);
            margin-right: 8px;
        }
        .interactive-form {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            margin-top: 3rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
        }
        .form-row {
            display: flex;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-green);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a:hover {
            color: var(--accent-yellow);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary-green);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-bg);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                border-radius: 0 0 15px 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
            .content-area,
            sidebar {
                padding: 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeInUp 0.8s ease forwards;
        }