* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        ul, ol {
            list-style-position: inside;
            padding-left: 1rem;
        }
        .page-header {
            background: linear-gradient(135deg, #1a6b2e 0%, #2ecc71 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            color: #fff;
            font-family: 'Courier New', monospace;
        }
        .my-logo span {
            color: #ffeb3b;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav ul {
            display: flex;
            gap: 2rem;
        }
        .main-nav li {
            list-style: none;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .breadcrumb {
            background-color: #e9f5eb;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #555;
            border-bottom: 1px solid #d0e6d6;
        }
        .breadcrumb a {
            color: #1a6b2e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-box {
            display: flex;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            border-radius: 50px;
            overflow: hidden;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: #1a6b2e;
            color: white;
            border: none;
            padding: 1rem 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #145a23;
        }
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-bottom: 3rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px dashed #2ecc71;
        }
        h1 {
            color: #1a6b2e;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .subtitle {
            font-size: 1.3rem;
            color: #666;
            font-style: italic;
            margin-bottom: 1.5rem;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #888;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .featured-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-width: 900px;
        }
        .featured-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #777;
            padding: 0.5rem;
            background-color: #f9f9f9;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            color: #1a6b2e;
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0f2e5;
        }
        h3 {
            color: #145a23;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #0d4219;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #e8f6ee;
            border-left: 5px solid #2ecc71;
            padding: 1.5rem;
            margin: 1.8rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .bold-text {
            font-weight: 800;
            color: #1a6b2e;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-card {
            background: linear-gradient(to right, #f8fff9, #ffffff);
            border: 1px solid #c8e6c9;
            border-radius: 8px;
            padding: 1.2rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
        }
        .link-card a {
            color: #1a6b2e;
            font-weight: 600;
            display: block;
        }
        .link-card a:hover {
            text-decoration: underline;
        }
        .rating-section, .comment-section {
            background-color: #f9fdfa;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #d4ecd9;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .rating-form label, .comment-form label {
            font-weight: 600;
            color: #555;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffcc00;
        }
        .rating-form input, .comment-form input,
        .comment-form textarea {
            padding: 0.8rem;
            border: 1px solid #b2dfc2;
            border-radius: 5px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn-submit {
            background-color: #1a6b2e;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            justify-self: start;
            transition: background 0.3s;
        }
        .btn-submit:hover {
            background-color: #145a23;
        }
        .page-footer {
            background-color: #1a252f;
            color: #bdc3c7;
            padding: 3rem 2rem 1.5rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #2ecc71;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ecf0f1;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #95a5a6;
        }
        .footer-links a:hover {
            color: #2ecc71;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background-color: #2c3e50;
            border-radius: 5px;
            margin: 1rem 0;
            color: #ecf0f1;
        }
        friend-link a {
            color: #2ecc71;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            .main-nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                background-color: #1a6b2e;
                width: 100%;
                padding: 1rem;
                transform: translateY(-150%);
                transition: transform 0.4s ease;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active {
                transform: translateY(0);
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                margin-bottom: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .header-container {
                padding: 0.5rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            .main-content {
                padding: 1.5rem;
                margin: 1rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            p { font-size: 1rem; }
            .search-box button {
                padding: 1rem;
            }
        }