:root {
            --primary-dark: #0a3d2f;
            --primary-green: #1e8449;
            --accent-amber: #f39c12;
            --accent-red: #e74c3c;
            --light-bg: #f8f9fa;
            --dark-text: #2c3e50;
            --mid-grey: #7f8c8d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-amber);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0c5c42 100%);
            color: white;
            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-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(to right, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            height: 3px;
            width: 25px;
            background-color: white;
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.8rem;
            position: relative;
        }
        nav ul li a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            display: block;
        }
        nav ul li a:hover {
            color: var(--accent-amber);
            text-decoration: none;
        }
        nav ul li a i {
            margin-right: 5px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: var(--mid-grey);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .breadcrumb span {
            color: var(--mid-grey);
            margin: 0 8px;
        }
        main {
            padding: 2.5rem 0;
            background-color: #fff;
        }
        article {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            article {
                grid-template-columns: 1fr;
            }
        }
        .content-main {
            min-width: 0; 
        }
        .sidebar {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 10px;
            height: fit-content;
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--primary-dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--accent-amber);
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--primary-green);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-green);
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-red);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
            background-color: #f0f8f0;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--primary-green);
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            color: var(--mid-grey);
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .info-box {
            background-color: #e8f4fc;
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background-color: #d4edda;
            border-left: 5px solid var(--primary-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background-color: #f8d7da;
            border-left: 5px solid var(--accent-red);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: var(--mid-grey);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-text);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(30, 132, 73, 0.2);
        }
        button, .btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background-color: var(--primary-dark);
            text-decoration: none;
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            margin: 1rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            padding: 0 2px;
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: var(--accent-amber);
        }
        footer {
            background-color: var(--primary-dark);
            color: #ecf0f1;
            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-section h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--accent-amber);
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: var(--accent-amber);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent-amber);
            font-style: italic;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: flex;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-dark);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            nav ul.show {
                display: flex;
            }
            nav ul li {
                margin: 0;
                margin-bottom: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }