:root {
            --primary-color: #2c6e49;
            --secondary-color: #c33149;
            --accent-color: #f4a259;
            --light-color: #f7f9f9;
            --dark-color: #1a1a2e;
            --text-color: #333333;
            --border-radius: 12px;
            --box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: #fefefe;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #1e4d2c);
            color: white;
            padding: 1.5rem 0;
            border-bottom: 5px solid var(--accent-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.8rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--accent-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 25px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--box-shadow);
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            color: var(--primary-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.3;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-color);
            background-color: #f0f7f4;
            padding: 1.5rem;
            border-left: 5px solid var(--accent-color);
            border-radius: 8px;
            margin: 2rem 0;
        }
        strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        em {
            color: var(--primary-color);
            font-style: italic;
        }
        .search-box, .comment-form, .rating-form {
            background: var(--light-color);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: var(--box-shadow);
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            margin: 10px 0 20px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(44, 110, 73, 0.1);
        }
        button {
            background: linear-gradient(to right, var(--primary-color), #3a8c5d);
            color: white;
            border: none;
            padding: 14px 28px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(to right, #235437, #2c6e49);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(44, 110, 73, 0.3);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--accent-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary-color);
            border-bottom-style: solid;
        }
        .featured-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .featured-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border-top: 4px solid var(--accent-color);
        }
        .featured-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        .featured-card h4 {
            margin-top: 0;
            color: var(--primary-color);
        }
        footer {
            background: linear-gradient(to right, var(--dark-color), #16213e);
            color: white;
            padding: 3rem 2rem;
            margin-top: 3rem;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 1.5rem 0;
        }
        friend-link a {
            color: #ddd;
            text-decoration: none;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--transition);
            background-color: rgba(255,255,255,0.05);
        }
        friend-link a:hover {
            background-color: rgba(255,255,255,0.1);
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.95rem;
            color: #aaa;
        }
        .update-time {
            background-color: #fff8e1;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: #7d6608;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1.5rem;
                gap: 0;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
                border-radius: 8px;
                margin-bottom: 5px;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 20px;
                top: 30px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area {
                padding: 1.5rem;
            }
            .featured-section {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-area, aside {
            animation: fadeIn 0.6s ease-out;
        }
        @media print {
            header, nav, aside, .search-box, .comment-form, .rating-form, footer {
                display: none;
            }
            body {
                max-width: 100%;
                padding: 0;
            }
            .content-area {
                box-shadow: none;
                padding: 0;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        a:focus, button:focus, input:focus, textarea:focus {
            outline: 3px solid var(--accent-color);
            outline-offset: 3px;
        }