:root {
            --primary: #5C9E31;
            --secondary: #F8C300;
            --accent: #FF6B6B;
            --dark: #2C3E50;
            --light: #ECF0F1;
            --gray: #95A5A6;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            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);
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            background-attachment: fixed;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            text-shadow: 2px 2px 0 var(--secondary);
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: var(--accent);
        }
        .my-logo span {
            color: var(--accent);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 20px;
            transition: var(--transition);
        }
        nav a:hover, nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark);
        }
        .breadcrumb {
            background-color: #f9f9f9;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #ccc;
        }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 80px 20px;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--accent);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 30px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #ff5252;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        main {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            padding-left: 15px;
            border-left: 5px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark);
        }
        h4 {
            font-size: 1.4rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--accent);
            font-style: italic;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 2px 6px;
            border-radius: 4px;
        }
        .content-link {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px dashed var(--primary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }
        .article-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px auto;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.7em;
        }
        .tip-box {
            background-color: #E8F4FD;
            border-left: 5px solid #3498DB;
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box h4 {
            color: #2980B9;
            margin-top: 0;
        }
        .stat-box {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            text-align: center;
            border: 2px solid var(--primary);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }
        .user-interaction {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px dashed var(--gray);
        }
        .rating-form, .comment-form {
            background-color: #f9f9f9;
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 30px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--secondary);
        }
        form input, form textarea {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        form input:focus, form textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(92, 158, 49, 0.2);
        }
        form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        form button:hover {
            background-color: #4a8a27;
            transform: translateY(-3px);
        }
        .sidebar-widget {
            margin-bottom: 40px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        .widget-links li {
            margin-bottom: 12px;
            list-style: none;
            margin-left: 0;
        }
        .widget-links a {
            display: block;
            padding: 12px 15px;
            background-color: #f5f5f5;
            border-radius: 8px;
            transition: var(--transition);
        }
        .widget-links a:hover {
            background-color: var(--primary);
            color: white;
            padding-left: 20px;
        }
        .update-time {
            background-color: var(--dark);
            color: white;
            padding: 15px;
            border-radius: var(--radius);
            text-align: center;
            font-weight: bold;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: var(--light);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--gray);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 15px;
            text-align: center;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                padding: 20px;
                box-shadow: var(--shadow);
                border-radius: 0 0 var(--radius) var(--radius);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 15px;
            }
            main, aside {
                padding: 25px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input,
            .search-box button {
                border-radius: 50px;
                margin-bottom: 10px;
                width: 100%;
            }
        }
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        .bounce {
            display: inline-block;
            animation: bounce 1s infinite;
            color: var(--accent);
        }