:root {
            --primary-color: #0a3711; 
            --secondary-color: #c9a227; 
            --accent-color: #8b0000; 
            --light-color: #f8f9fa;
            --dark-color: #121212;
            --text-color: #333;
            --text-light: #666;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --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(--text-color);
            background-color: #fefefe;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background-color: var(--primary-color);
            color: var(--light-color);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            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: 1.5px;
        }
        .my-logo span {
            color: var(--light-color);
        }
        .my-logo:hover {
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a:focus {
            color: var(--secondary-color);
            border-bottom-color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: var(--text-light);
        }
        .search-container {
            background: linear-gradient(135deg, #1a472a 0%, var(--primary-color) 100%);
            padding: 3rem 0;
            text-align: center;
            color: white;
            margin-bottom: 3rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .search-container h2 {
            margin-bottom: 1.5rem;
            font-size: 2.2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: var(--dark-color);
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #e0b420;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .update-time {
            color: var(--accent-color);
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: #1a472a;
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--dark-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-color);
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-left: 4px solid var(--secondary-color);
            margin-bottom: 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .figure-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .figure-container img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 0 auto 1rem;
            border: 1px solid #ddd;
        }
        .figcaption {
            font-style: italic;
            color: var(--text-light);
            font-size: 0.95rem;
            padding: 0 1rem;
        }
        .inline-link {
            color: var(--accent-color);
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-color);
        }
        .inline-link:hover {
            color: #d00;
            border-bottom-style: solid;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .content-list {
            padding-left: 2rem;
            margin: 1.5rem 0;
        }
        .content-list li {
            list-style-type: disc;
            margin-bottom: 0.8rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        .related-links a {
            display: block;
            padding: 0.8rem 0;
            border-bottom: 1px dashed #eee;
            color: var(--text-color);
        }
        .related-links a:last-child { border-bottom: none; }
        .related-links a:hover {
            color: var(--accent-color);
            padding-left: 0.5rem;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars .active {
            color: var(--secondary-color);
        }
        .rating-form input, .rating-form button {
            width: 100%;
            padding: 0.8rem;
            margin-top: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
        }
        .rating-form button {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #0c4b1a;
        }
        .comments-section {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .comment-form input {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
        }
        .comment-submit {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-submit:hover {
            background-color: #a00;
        }
        .comment-list {
            margin-top: 3rem;
        }
        .comment {
            padding: 1.5rem 0;
            border-bottom: 1px solid #eee;
        }
        .comment:last-child { border-bottom: none; }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary-color);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: #ccc;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-title {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #444;
        }
        .footer-links a {
            display: block;
            padding: 0.4rem 0;
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background-color: #222;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        friend-link a {
            color: var(--secondary-color);
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a:last-child { border-bottom: none; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content { padding: 1.5rem; }
            .comment-form .form-row { grid-template-columns: 1fr; }
        }