:root {
            --primary: #8B4513;
            --secondary: #D2691E;
            --accent: #FF8C00;
            --light: #FFF8DC;
            --dark: #2F4F4F;
            --text: #333333;
            --gray: #6D6D6D;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --radius: 8px;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            color: var(--accent);
        }
        .search-form {
            flex: 0 1 400px;
            position: relative;
        }
        .search-input {
            width: 100%;
            padding: 12px 20px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            background: rgba(255,255,255,0.9);
            outline: none;
        }
        .search-button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 50%;
            width: 42px;
            height: 42px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .search-button:hover {
            background: var(--primary);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .nav {
            background-color: rgba(0,0,0,0.1);
            padding: 0;
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: block;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            background-color: rgba(255,255,255,0.15);
            color: var(--accent);
        }
        .nav-link i {
            margin-right: 8px;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-item {
            margin-right: 8px;
            display: flex;
            align-items: center;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '/';
            margin-left: 8px;
            color: var(--gray);
        }
        .breadcrumb-link {
            color: var(--primary);
        }
        .breadcrumb-link:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--light);
            padding-bottom: 25px;
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .article-meta i {
            margin-right: 5px;
            color: var(--primary);
        }
        .intro {
            font-size: 1.25rem;
            color: var(--dark);
            background: var(--light);
            padding: 25px;
            border-left: 5px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 40px;
        }
        .content-section {
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--secondary);
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .section-title i {
            color: var(--accent);
        }
        .content-text {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .content-text b, .content-text strong {
            color: var(--primary);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255,140,0,0.15) 0%, rgba(255,140,0,0) 80%);
            padding: 20px;
            border-radius: var(--radius);
            border-left: 4px solid var(--accent);
            margin: 25px 0;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-image {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .tip-card {
            background: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            border-top: 4px solid var(--secondary);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .tip-title {
            color: var(--dark);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 2rem;
            color: #ddd;
            margin: 10px 0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent);
        }
        .rating-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .rating-submit {
            background: var(--primary);
            color: white;
            border: none;
            padding: 14px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-submit:hover {
            background: var(--secondary);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .comment-input, .comment-textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
        }
        .comment-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-submit {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 14px;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-submit:hover {
            background: var(--primary);
        }
        .footer-links {
            background: var(--light);
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: white;
            padding: 18px;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--dark);
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        .footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--accent);
        }
        .footer-about {
            line-height: 1.8;
            opacity: 0.9;
        }
        .footer-links-title {
            font-size: 1.3rem;
            margin-bottom: 25px;
            color: var(--accent);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-links-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--accent);
        }
        .footer-nav-list {
            list-style: none;
        }
        .footer-nav-item {
            margin-bottom: 15px;
        }
        .footer-nav-link {
            opacity: 0.9;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-nav-link:hover {
            opacity: 1;
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .menu-toggle {
                display: block;
            }
            .nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 15px;
            }
            .nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: center;
            }
            .nav-link {
                width: 100%;
                text-align: center;
                padding: 15px;
            }
            .search-form {
                order: 2;
                flex: 1 1 100%;
                margin-top: 15px;
                display: none;
            }
            .search-form.active {
                display: block;
            }
            .article {
                padding: 25px;
            }
            .article-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 992px) {
            .main-content {
                gap: 25px;
            }
            .article {
                padding: 30px;
            }
        }
        @media print {
            .header, .sidebar, .footer-links, .footer, .breadcrumb,
            .search-form, .rating-form, .comment-form, .menu-toggle {
                display: none !important;
            }
            .main-content {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }