:root {
            --primary-color: #0d3b2a;
            --secondary-color: #c9b583;
            --accent-color: #d4af37;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #1a1a1a;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-main);
            color: var(--text-color);
            line-height: 1.7;
            background-color: var(--light-bg);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        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;
        }
        .site-header {
            background-color: var(--primary-color);
            color: white;
            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: 2rem;
            font-weight: bold;
            color: var(--secondary-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            color: var(--accent-color);
        }
        .my-logo:hover {
            color: white;
        }
        .main-nav {
            display: flex;
        }
        .nav-list {
            display: flex;
            list-style: none;
        }
        .nav-list li {
            margin-left: 2rem;
        }
        .nav-list a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover,
        .nav-list a.active {
            color: var(--accent-color);
            border-bottom-color: var(--accent-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .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: #666;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .main-content {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ddd;
        }
        h3 {
            font-size: 1.6rem;
            color: #555;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #777;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.1rem;
            background: #f0f8ff;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            margin-bottom: 2rem;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ffd700;
            margin: 1.5rem 0;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            max-width: 80%;
            margin: 0 auto;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .link-list {
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list li {
            padding: 0.5rem;
            border-bottom: 1px dotted #ccc;
        }
        .link-list a {
            display: block;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .link-list a:hover {
            background: #e6f7ff;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #f8f9fa;
            border-radius: 8px;
            border: 1px solid #dee2e6;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
        }
        input, textarea, select {
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
            align-self: flex-start;
        }
        button:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            margin-bottom: 1rem;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            margin-right: 5px;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffd700;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: #2a2a2a;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent-color);
        }
        friend-link a {
            color: var(--secondary-color);
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding: 1rem 0;
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-list {
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            .nav-list li {
                margin: 0;
                width: 100%;
            }
            .nav-list a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-content {
                gap: 1.5rem;
            }
        }
        [itemscope] {
            margin: 0;
        }