* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #FF6B6B;
            --secondary-color: #4ECDC4;
            --accent-color: #FFD166;
            --dark-color: #2D3047;
            --light-color: #F7F7F7;
            --text-color: #333;
            --text-light: #666;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-color);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-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: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .search-box {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 30px;
            position: relative;
        }
        .search-box form {
            display: flex;
        }
        .search-input {
            width: 100%;
            padding: 12px 20px;
            border: 2px solid #eee;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--primary-color);
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #ff5252;
        }
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--dark-color);
            cursor: pointer;
        }
        nav {
            background-color: var(--dark-color);
            padding: 0;
        }
        .nav-list {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: block;
            padding: 18px 25px;
            color: white;
            font-weight: 500;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.1);
            color: var(--accent-color);
        }
        .nav-link i {
            margin-right: 8px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f9f9f9;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: ">";
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb-item a:hover {
            color: var(--primary-color);
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding: 20px;
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary-color);
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .meta-item i {
            margin-right: 5px;
            color: var(--primary-color);
        }
        .article-image {
            margin: 30px auto;
            max-width: 800px;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        .article-image img {
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 10px;
            background-color: rgba(0,0,0,0.03);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .content-section {
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2rem;
            color: var(--dark-color);
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-color);
            display: inline-block;
        }
        .section-title i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        .content-text {
            margin-bottom: 25px;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 214, 102, 0.3);
            padding: 2px 5px;
            border-radius: 3px;
            font-weight: 600;
        }
        .tip-box {
            background-color: #e8f4fc;
            border-left: 5px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-title {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-desc {
            color: var(--text-light);
            font-size: 1rem;
        }
        .interaction-section {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 50px 0;
        }
        .interaction-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--dark-color);
            font-size: 1.8rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .interaction-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-input, .form-textarea {
            padding: 15px;
            border: 2px solid #eee;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            border-color: var(--primary-color);
            outline: none;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            padding: 30px;
            background-color: #f9f9f9;
            border-radius: var(--border-radius);
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent-color);
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #ff5252;
            transform: translateY(-3px);
        }
        .footer-links {
            background-color: var(--dark-color);
            padding: 50px 0 30px;
            color: white;
        }
        .web-link {
            margin-bottom: 15px;
            padding: 12px 20px;
            background-color: rgba(255,255,255,0.05);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            padding-left: 30px;
        }
        .web-link a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link i {
            color: var(--accent-color);
        }
        footer {
            background-color: #1a1c2e;
            color: #aaa;
            padding: 30px 0;
            text-align: center;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
        }
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.3rem;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                max-width: 100%;
                margin: 20px 0 0;
            }
            .menu-toggle {
                display: block;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-color);
                box-shadow: var(--shadow);
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-link {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .nav-active {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .interaction-section {
                padding: 25px;
            }
            .content-text {
                font-size: 1rem;
            }
        }