:root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --accent-yellow: #ffc800;
            --dark-text: #2b2b2b;
            --light-text: #5a5a5a;
            --bg-light: #f9f9f9;
            --bg-white: #ffffff;
            --shadow: rgba(88, 204, 2, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary-green);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .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: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-yellow);
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .breadcrumb {
            padding: 12px 20px;
            background-color: #f0f9ff;
            border-bottom: 1px solid #e1f5e1;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: var(--light-text);
        }
        .breadcrumb a {
            color: var(--light-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-menu a {
            font-weight: 600;
            color: var(--dark-text);
            padding: 5px 0;
            border-bottom: 3px solid transparent;
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--primary-green);
            background: none;
            border: none;
            cursor: pointer;
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            padding: 40px 20px;
            text-align: center;
            color: white;
            margin-bottom: 40px;
        }
        .search-box {
            max-width: 600px;
            margin: 20px auto 0;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 18px 25px;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--accent-yellow);
            color: var(--dark-text);
            border: none;
            padding: 12px 25px;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #ffb400;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 20px;
        }
        .article-content {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px var(--shadow);
        }
        .sidebar {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 30px var(--shadow);
            align-self: start;
            position: sticky;
            top: 150px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-text);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-green);
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px dashed var(--accent-yellow);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-green);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-text);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            color: var(--light-text);
            font-size: 1.1rem;
        }
        .article-intro {
            font-size: 1.3rem;
            color: var(--dark-text);
            background-color: #f0fff0;
            padding: 25px;
            border-left: 5px solid var(--primary-green);
            border-radius: 10px;
            margin-bottom: 35px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 20px;
            border-radius: 15px;
            border-left: 5px solid var(--accent-yellow);
            margin: 30px 0;
        }
        .highlight strong {
            color: var(--dark-text);
        }
        .image-container {
            margin: 40px auto;
            text-align: center;
        }
        .feature-img {
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
        .img-caption {
            font-style: italic;
            color: var(--light-text);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
            color: var(--light-text);
        }
        li {
            margin-bottom: 10px;
        }
        .related-links {
            background-color: #e8f7ff;
            padding: 25px;
            border-radius: 15px;
            margin: 40px 0;
        }
        .related-links h3 {
            color: var(--secondary-green);
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        .link-grid a {
            display: block;
            padding: 12px 18px;
            background-color: white;
            border-radius: 10px;
            border: 2px solid transparent;
        }
        .link-grid a:hover {
            border-color: var(--primary-green);
            transform: translateY(-3px);
        }
        .interaction-section {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 40px;
            margin-top: 50px;
            box-shadow: 0 10px 30px var(--shadow);
        }
        .rating-box, .comment-box {
            margin-bottom: 50px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star.active, .star:hover {
            color: var(--accent-yellow);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--dark-text);
        }
        input, textarea, select {
            padding: 16px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px var(--shadow);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button[type="submit"] {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            border: none;
            padding: 18px 35px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        button[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(88, 204, 2, 0.3);
        }
        .site-footer {
            background-color: #2b2b2b;
            color: #ccc;
            padding: 60px 20px 30px;
            margin-top: 70px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            margin-bottom: 20px;
        }
        .footer-heading {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-heading::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary-green);
        }
        .footer-links a {
            display: block;
            color: #aaa;
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 15px 0;
        }
        friend-link a {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 2;
            }
            .main-nav {
                order: 3;
                width: 100%;
                display: none;
            }
            .main-nav.active {
                display: block;
                margin-top: 20px;
            }
            .nav-menu {
                flex-direction: column;
                gap: 15px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .article-content, .sidebar, .interaction-section {
                padding: 25px;
            }
        }