:root {
            --primary-green: #2ecc71;
            --secondary-green: #27ae60;
            --accent-orange: #e67e22;
            --dark-bg: #1a1a2e;
            --light-bg: #f9f9f9;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-green);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-orange);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-bg);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--accent-orange);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            color: white;
            background: none;
            border: none;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .hero {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #2c3e50 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: var(--primary-green);
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--accent-orange);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #d35400;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .content-area h2 {
            color: var(--secondary-green);
            border-left: 5px solid var(--accent-orange);
            padding-left: 1rem;
            margin: 2.5rem 0 1.5rem;
            font-size: 2rem;
        }
        .content-area h3 {
            color: var(--text-dark);
            margin: 2rem 0 1rem;
            font-size: 1.5rem;
        }
        .content-area h4 {
            color: #555;
            margin: 1.5rem 0 0.8rem;
            font-size: 1.2rem;
        }
        .content-area p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .content-area img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 1.5rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 4px solid var(--primary-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .keyword-link {
            font-weight: 700;
            color: var(--secondary-green);
            border-bottom: 1px dashed;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #95a5a6;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--secondary-green);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .rating-stars {
            color: #f1c40f;
            font-size: 1.5rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
        }
        .btn-submit {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .btn-submit:hover {
            background-color: var(--secondary-green);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            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;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        .friend-links a {
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            color: #bdc3c7;
        }
        .friend-links a:hover {
            background: var(--primary-green);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-bg);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                gap: 0;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                width: 100%;
                text-align: center;
                padding: 0.8rem 0;
                border-bottom: 1px solid #2c3e50;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }