* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B35;
            --secondary-color: #2EC4B6;
            --accent-color: #FF9F1C;
            --text-color: #333333;
            --light-bg: #F8F9FA;
            --dark-bg: #2D3047;
            --white: #FFFFFF;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: var(--white);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo:hover {
            transform: scale(1.05);
            transition: var(--transition);
        }
        .logo i {
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 25px;
            outline: none;
            width: 250px;
        }
        .search-btn {
            background: var(--dark-bg);
            color: var(--white);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-color);
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--white);
            padding: 1rem 0;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .breadcrumb-links {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb-links a {
            color: var(--text-color);
            text-decoration: none;
        }
        .breadcrumb-links a:hover {
            color: var(--primary-color);
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .content-section {
            background: var(--white);
            padding: 2rem;
            margin-bottom: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .section-title {
            color: var(--secondary-color);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .section-title i {
            color: var(--accent-color);
        }
        .content-text {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .tip-box {
            background: linear-gradient(135deg, var(--secondary-color), #20A39E);
            color: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
            border-left: 5px solid var(--accent-color);
        }
        .tip-title {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-section, .rating-section {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-bg);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid #E0E0E0;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(46, 196, 182, 0.1);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: var(--white);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #E0E0E0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        .web-links {
            background: var(--dark-bg);
            padding: 3rem 0;
        }
        .web-links-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        footer {
            background: var(--text-color);
            color: var(--white);
            text-align: center;
            padding: 2rem 0;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-color);
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .search-input {
                width: 200px;
            }
            .article-title {
                font-size: 2rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                order: 3;
                width: 100%;
                margin-top: 1rem;
            }
            .search-input {
                width: 100%;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease-out;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }