* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0d5c3e;
            --secondary-color: #c19a4f;
            --accent-color: #1a7d5e;
            --dark-color: #0a291f;
            --light-color: #f8f9fa;
            --text-color: #333;
            --gray-color: #6c757d;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        .my-logo span {
            color: white;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            transform: scale(1.02);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.1);
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f3f4;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: var(--gray-color);
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 3rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: var(--box-shadow);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--secondary-color);
            color: var(--dark-color);
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #d4af37;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
        }
        h1 {
            color: var(--dark-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 1rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--dark-color);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--dark-color);
            background-color: #f0f7f4;
            padding: 1.5rem;
            border-left: 4px solid var(--secondary-color);
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .highlight-box {
            background-color: #fff9e6;
            border: 1px solid var(--secondary-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .highlight-box h3 {
            color: var(--dark-color);
            margin-top: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--box-shadow);
            border-top: 4px solid var(--primary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .feature-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .content-link {
            color: var(--primary-color);
            font-weight: 600;
            border-bottom: 1px dashed;
        }
        .content-link:hover {
            border-bottom: 1px solid;
        }
        .quote {
            font-size: 1.3rem;
            font-style: italic;
            color: var(--dark-color);
            border-left: 4px solid var(--secondary-color);
            padding-left: 2rem;
            margin: 2.5rem 0;
            quotes: "“" "”" "‘" "’";
        }
        .quote::before {
            content: open-quote;
            font-size: 3rem;
            color: var(--secondary-color);
            line-height: 0;
            vertical-align: -0.4rem;
            margin-right: 0.5rem;
        }
        aside {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--box-shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            display: flex;
            align-items: center;
            color: var(--text-color);
        }
        .related-links a:hover {
            color: var(--primary-color);
        }
        .related-links i {
            margin-right: 0.8rem;
            color: var(--secondary-color);
        }
        .user-interaction {
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e9ecef;
        }
        .rating-form, .comment-form {
            margin-bottom: 2.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        form input,
        form textarea,
        form select {
            width: 100%;
            padding: 0.8rem 1rem;
            margin-bottom: 1.2rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(13, 92, 62, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            color: var(--dark-color);
        }
        .btn-secondary:hover {
            background-color: #d4af37;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: var(--border-radius);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .friend-links a {
            background: rgba(193, 154, 79, 0.1);
            color: var(--secondary-color);
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            border: 1px solid rgba(193, 154, 79, 0.3);
        }
        .friend-links a:hover {
            background: rgba(193, 154, 79, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #e7f4ef;
            color: var(--primary-color);
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            nav.active {
                max-height: 500px;
                margin-top: 1rem;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            nav a {
                display: block;
                padding: 0.8rem 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            header, nav, .search-container, aside, .user-interaction, footer {
                display: none;
            }
            main {
                display: block;
                padding: 0;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
            .intro {
                border: 1px solid #ddd;
            }
        }