* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            max-width: 1920px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            color: #1a365d;
            margin-bottom: 1.2rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            background: linear-gradient(90deg, #1a365d, #2c5282);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-align: center;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 5px solid #e53e3e;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: #2d3748;
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 800;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: linear-gradient(90deg, #f6e05e, #fbd38d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #e2e8f0;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: #fbd38d;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #fbd38d;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #1a365d;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav a {
            color: #e2e8f0;
            text-decoration: none;
            display: block;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background: rgba(251, 211, 141, 0.1);
            color: #fbd38d;
        }
        .breadcrumb {
            background: #edf2f7;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb-content {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #1a365d;
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #718096;
        }
        .search-section {
            background: white;
            padding: 2.5rem 0;
            border-radius: 12px;
            margin: 2.5rem 0;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 0.5rem;
            padding: 0 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        .search-input:focus {
            outline: none;
            border-color: #3182ce;
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
        }
        .search-btn {
            background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .search-btn:hover {
            background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
            transform: translateY(-2px);
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 3rem;
        }
        .featured-image {
            width: 100%;
            max-width: 900px;
            margin: 3rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6 0%, #fff0cc 100%);
            border-left: 6px solid #f6ad55;
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 12px 12px 0;
        }
        .stat-card {
            background: #f7fafc;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .stat-item {
            text-align: center;
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: #2c5282;
            display: block;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: #4a5568;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .rating-form, .comment-form {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 12px;
            border: 2px solid #e9ecef;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            justify-content: center;
        }
        .rating-star {
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .rating-star:hover,
        .rating-star.active {
            color: #f6ad55;
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #3182ce;
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(135deg, #38a169 0%, #2f855a 100%);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }
        .submit-btn:hover {
            background: linear-gradient(135deg, #2f855a 0%, #276749 100%);
            transform: translateY(-2px);
        }
        .web-links-section {
            background: #f8f9fa;
            padding: 3rem 0;
            margin: 3rem 0;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border-color: #3182ce;
        }
        .web-link a {
            color: #2c5282;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: block;
            padding: 0.5rem 0;
        }
        .web-link a:hover {
            color: #1a365d;
            text-decoration: underline;
        }
        .site-footer {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: #e2e8f0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fbd38d;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.8rem;
        }
        .footer-section a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-section a:hover {
            color: #fbd38d;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .article-content {
                padding: 2rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 8px;
            }
            .featured-image {
                margin: 2rem 0;
            }
            .stat-card {
                grid-template-columns: 1fr;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .highlight-box {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out forwards;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2em;
        }
        .keyword {
            background: linear-gradient(120deg, #fed7d7 0%, #feebc8 100%);
            padding: 0.2em 0.5em;
            border-radius: 4px;
            font-weight: 600;
            color: #1a365d;
        }
        .highlight {
            background: linear-gradient(120deg, #fefcbf 0%, #d6bcfa 100%);
            padding: 0.2em 0.5em;
            border-radius: 4px;
            font-weight: 700;
        }
        .text-center {
            text-align: center;
        }
        .mt-3 { margin-top: 3rem; }
        .mb-3 { margin-bottom: 3rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }