:root {
            --primary-dark: #1a472a;
            --primary: #2a623d;
            --primary-light: #3a7a4f;
            --accent-gold: #d4af37;
            --accent-bronze: #cd7f32;
            --text-dark: #222;
            --text: #333;
            --text-light: #555;
            --background: #f8f9fa;
            --card-bg: #fff;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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);
            background-color: var(--background);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            border-left: 6px solid var(--accent-gold);
            padding-left: 1.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 3rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            color: var(--primary);
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 2rem;
            color: var(--primary-light);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        strong, b {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: var(--text-light);
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-light);
            font-weight: 300;
            margin-bottom: 2.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: white;
            padding: 1.2rem 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: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .main-nav {
            display: flex;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-link {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-gold);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1.2rem 0;
            background-color: #f1f8e9;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--text-light);
        }
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0 4rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            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: 2.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .update-time {
            color: var(--primary);
            font-weight: 600;
        }
        .article-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .highlight-box {
            background: linear-gradient(to right, #f9f9f9, #fff);
            border-left: 5px solid var(--accent-gold);
            padding: 1.8rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip {
            background-color: #e8f5e9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            position: relative;
            padding-left: 4rem;
        }
        .tip::before {
            content: '💡';
            position: absolute;
            left: 1.5rem;
            top: 1.5rem;
            font-size: 1.8rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: var(--primary-dark);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-gold);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--primary-dark);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent-gold);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
            color: var(--text);
        }
        .form-input, .form-textarea {
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 7px 10px rgba(0,0,0,0.1);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.9rem;
            padding-bottom: 0.9rem;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--text);
        }
        .related-links a:hover {
            color: var(--primary);
            text-decoration: none;
            gap: 1rem;
        }
        .related-links i {
            color: var(--primary-light);
            font-size: 0.9rem;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: #ccc;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: var(--accent-gold);
            font-weight: 600;
            margin: 0 1rem;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3a5a40;
            width: 100%;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            h4 { font-size: 1.3rem; }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 1rem;
            }
            .article-content {
                padding: 1.8rem;
            }
            .main-content {
                gap: 2rem;
            }
        }