        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-green: #2ecc71;
            --secondary-green: #27ae60;
            --accent-gold: #f1c40f;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--secondary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg), #16213e);
            color: var(--text-light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary-green), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--dark-bg);
            flex-direction: column;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav a {
            color: var(--text-light);
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background-color: rgba(46, 204, 113, 0.2);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .search-section {
            background: linear-gradient(to right, #3498db, #2ecc71);
            padding: 2rem 0;
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 600px;
            margin: 1rem auto 0;
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--dark-bg);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #0f3460;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--dark-bg);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary-green);
            padding-left: 1rem;
        }
        h2 {
            color: var(--secondary-green);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            color: var(--text-dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9db, #ffe066);
            border-left: 5px solid var(--accent-gold);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .content-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .content-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.5rem;
            background-color: #f8f9fa;
        }
        .link-list {
            background-color: #f1f8e9;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 0.8rem;
        }
        .link-list li {
            padding: 0.5rem 0;
        }
        .link-list a {
            color: #2e7d32;
            font-weight: 600;
        }
        .link-list a::before {
            content: "🌱 ";
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #777;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        .user-interaction {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            margin-top: 3rem;
            border: 1px solid #dee2e6;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 1.5rem;
        }
        .comment-section,
        .rating-section {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
        }
        button[type="submit"] {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        button[type="submit"]:hover {
            background: linear-gradient(to right, #27ae60, #219653);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(39, 174, 96, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            margin: 1rem 0;
            color: #ffd700;
            cursor: pointer;
        }
        .star-rating span {
            transition: var(--transition);
        }
        .star-rating span:hover,
        .star-rating span.active {
            transform: scale(1.2);
            color: #ffc107;
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary-green), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #bdc3c7;
        }
        friend-link a:hover {
            color: var(--primary-green);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            article { padding: 1.8rem; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .interaction-grid { grid-template-columns: 1fr; }
            .link-list ul { grid-template-columns: 1fr; }
            .search-form { flex-direction: column; }
            .search-form input,
            .search-form button { border-radius: 50px; margin-top: 0.5rem; }
        }
        @media (max-width: 480px) {
            article { padding: 1.2rem; }
            h1 { font-size: 1.8rem; }
            .my-logo { font-size: 1.8rem; }
        }
