:root {
            --primary-green: #2e7d32;
            --secondary-green: #1b5e20;
            --accent-brown: #8d6e63;
            --light-bg: #f4f4f4;
            --dark-bg: #333;
            --text-light: #fff;
            --text-dark: #333;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background: linear-gradient(135deg, #f9f9f9, #e8f5e9);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary-green);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s;
        }
        .logo a:hover { transform: scale(1.05); }
        .logo i { color: #ffd700; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: var(--text-light);
            text-decoration: none;
            padding: 8px 15px;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
            font-weight: 600;
        }
        nav a:hover {
            background: var(--secondary-green);
            color: #ffeb3b;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e8f5e9;
            margin-bottom: 25px;
            border-radius: 0 0 10px 10px;
        }
        .breadcrumb a {
            color: var(--primary-green);
            text-decoration: none;
            font-weight: 600;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        main {
            background: var(--text-light);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }
        h1, h2, h3, h4 {
            color: var(--primary-green);
            margin-top: 1.5em;
            margin-bottom: 0.7em;
        }
        h1 {
            font-size: 3rem;
            text-align: center;
            border-bottom: 5px solid var(--accent-brown);
            padding-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--accent-brown); padding-left: 15px; }
        h3 { font-size: 1.8rem; color: var(--secondary-green); }
        h4 { font-size: 1.4rem; color: #555; }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fff9c4;
            padding: 15px;
            border-radius: 10px;
            border-left: 5px solid #ffd600;
            margin: 20px 0;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .content a {
            color: #1e88e5;
            text-decoration: none;
            border-bottom: 2px dotted #1e88e5;
            font-weight: 600;
            transition: color 0.3s, border-bottom 0.3s;
        }
        .content a:hover {
            color: #0d47a1;
            border-bottom: 2px solid #0d47a1;
        }
        .article-image {
            width: 100%;
            max-width: 900px;
            height: auto;
            border-radius: 15px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
            border: 5px solid var(--accent-brown);
        }
        .form-container {
            background: #f1f8e9;
            padding: 25px;
            border-radius: 15px;
            margin: 35px 0;
            border: 2px dashed var(--primary-green);
        }
        .form-container h3 {
            margin-top: 0;
            color: var(--primary-green);
        }
        form {
            display: grid;
            gap: 18px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 12px;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary-green);
            outline: none;
        }
        button {
            padding: 12px 25px;
            background: var(--primary-green);
            color: var(--text-light);
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            background: var(--secondary-green);
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 40px 0;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin-bottom: 30px;
        }
        friend-link {
            background: #444;
            padding: 12px 25px;
            border-radius: 10px;
            transition: background 0.3s;
        }
        friend-link:hover { background: #555; }
        friend-link a {
            color: #4caf50;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
        }
        .copyright {
            margin-top: 25px;
            font-size: 0.95rem;
            color: #ccc;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary-green);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            nav ul.active { display: flex; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-inner { flex-wrap: wrap; }
            main { padding: 20px; }
        }