* {
            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: #333;
            background-color: #f9f7f2;
            background-image: linear-gradient(to bottom, #f5f1e8 0%, #f9f7f2 100%);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #2c5530;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            text-align: center;
            margin-top: 1.5rem;
            border-bottom: 4px double #d4a762;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-top: 2.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e8d6b5;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            margin-top: 2rem;
            color: #4a7c59;
        }
        h4 {
            font-size: 1.3rem;
            margin-top: 1.5rem;
            color: #6b8e5f;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #8b6914;
            text-decoration: underline;
        }
        strong {
            color: #2c5530;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #555;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        .site-header {
            background-color: #2c5530;
            color: #f9f7f2;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #f0c674;
            text-decoration: none;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            color: #ffd700;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .hamburger {
            display: block;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }
        .nav-menu {
            display: flex;
            flex-direction: column;
            width: 100%;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-out;
            background-color: #3a6b40;
        }
        .nav-menu.active {
            max-height: 500px;
        }
        @media (min-width: 768px) {
            .nav-menu {
                flex-direction: row;
                max-height: none;
                width: auto;
                background: transparent;
            }
        }
        .nav-menu a {
            color: #f0c674;
            padding: 1rem 1.5rem;
            text-align: center;
            border-bottom: 1px solid #4a7c59;
            font-weight: 600;
        }
        .nav-menu a:hover {
            background-color: #4a7c59;
            color: #ffd700;
            text-decoration: none;
        }
        @media (min-width: 768px) {
            .nav-menu a {
                border-bottom: none;
                border-right: 1px solid #4a7c59;
            }
            .nav-menu a:last-child {
                border-right: none;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8d6b5;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #8b6914;
        }
        .breadcrumb span {
            color: #666;
            margin: 0 5px;
        }
        .sidebar {
            background-color: #fff;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border: 1px solid #e8d6b5;
        }
        .sidebar h3 {
            font-size: 1.4rem;
            color: #2c5530;
            border-bottom: 1px dashed #d4a762;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 1rem;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
            padding-left: 0.5rem;
            border-left: 3px solid #b8860b;
        }
        .main-article {
            background-color: #fff;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
            border: 1px solid #e8d6b5;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background-color: #f5f1e8;
            padding: 1.5rem;
            border-left: 5px solid #d4a762;
            margin-bottom: 2.5rem;
            border-radius: 0 8px 8px 0;
        }
        .featured-img {
            width: 100%;
            border-radius: 8px;
            margin: 2rem auto;
            border: 5px solid #e8d6b5;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .content-block {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px dashed #ddd;
        }
        .tip-box {
            background-color: #eef7ee;
            border-left: 5px solid #4a7c59;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .data-highlight {
            background: linear-gradient(135deg, #f0c67422, #d4a76222);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            text-align: center;
            border: 1px solid #f0c674;
        }
        .quote {
            font-style: italic;
            color: #555;
            padding: 1.5rem;
            margin: 2rem 0;
            background-color: #f9f7f2;
            border-radius: 8px;
            border-left: 5px solid #b8860b;
            font-size: 1.1rem;
        }
        .search-widget, .comment-widget, .rating-widget {
            background-color: #fff;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.06);
            border: 1px solid #e8d6b5;
        }
        .search-widget h3, .comment-widget h3, .rating-widget h3 {
            margin-top: 0;
            color: #2c5530;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #b8860b;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.2);
        }
        button, .btn {
            background-color: #b8860b;
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background-color 0.3s ease, transform 0.2s ease;
        }
        button:hover, .btn:hover {
            background-color: #8b6914;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffd700;
        }
        .site-footer {
            background-color: #2c5530;
            color: #e8d6b5;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #f0c674;
            border-bottom: 1px solid #4a7c59;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: inline-block;
            background-color: #4a7c59;
            color: #fff;
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 4px;
            text-decoration: none;
            transition: background-color 0.3s ease;
        }
        friend-link:hover {
            background-color: #b8860b;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a7c59;
            font-size: 0.9rem;
            color: #aaa;
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .last-updated {
            font-size: 0.9rem;
            color: #777;
            text-align: right;
            font-style: italic;
            margin-top: 1rem;
        }