* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-green: #6aaa64;
            --secondary-yellow: #c9b458;
            --dark-gray: #787c7e;
            --light-gray: #d3d6da;
            --bg-white: #ffffff;
            --text-dark: #1a1a1b;
            --text-light: #f8f9fa;
            --shadow: rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f9f9f9;
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-yellow);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .hidden { display: none !important; }
        .site-header {
            background-color: var(--bg-white);
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary-yellow);
        }
        .my-logo:hover {
            color: var(--secondary-yellow);
        }
        .breadcrumb {
            padding: 1rem 20px;
            background-color: #f1f1f1;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: var(--dark-gray);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-green);
            cursor: pointer;
        }
        .interactive-section {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 5px 15px var(--shadow);
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--primary-green);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--light-gray);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background-color: var(--secondary-yellow);
            transform: translateY(-3px);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: var(--light-gray);
            margin: 1rem 0;
        }
        .star-rating .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--secondary-yellow);
        }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            color: var(--text-dark);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: var(--dark-gray);
            font-size: 0.95rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .content-block {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-green);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--light-gray);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-yellow);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--dark-gray);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #f0f7f0;
            border-left: 5px solid var(--primary-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-wrapper {
            margin: 2.5rem auto;
            max-width: 800px;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 12px;
            box-shadow: 0 10px 30px var(--shadow);
            transition: var(--transition);
        }
        .image-wrapper img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: var(--dark-gray);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-list a {
            display: block;
            background: white;
            padding: 1rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px var(--shadow);
            text-align: center;
            font-weight: 600;
        }
        .link-list a:hover {
            background-color: var(--primary-green);
            color: white;
        }
        .site-footer {
            background-color: var(--text-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: var(--text-light);
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: var(--light-gray);
        }
        .footer-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: 6px;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .header-container, .breadcrumb {
                padding-left: 15px;
                padding-right: 15px;
            }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: 0 10px 15px var(--shadow);
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #eee;
            }
            .main-nav a::after {
                display: none;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .interactive-section {
                padding: 1.5rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.5rem;
                justify-content: center;
            }
        }