* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d; 
            --secondary: #e53e3e; 
            --accent: #f6ad55; 
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
        }
        body {
            background-color: #f8f9fa;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), #2c5282);
            color: white;
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--accent);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #cbd5e0;
        }
        .search-section {
            background: white;
            padding: 2.5rem 0;
            text-align: center;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 46px;
            height: 46px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary);
        }
        main {
            padding: 3rem 0;
            background: white;
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid var(--light);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 1.5rem;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            border-left: 5px solid var(--accent);
            padding: 1.8rem;
            border-radius: var(--radius);
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .highlight-box h3 {
            color: #92400e;
            margin-top: 0;
        }
        .featured-image {
            margin: 3rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background: var(--light);
            color: var(--dark);
            font-size: 0.95rem;
        }
        .internal-links {
            background: #edf2f7;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .internal-links h4 {
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .internal-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 0.8rem;
        }
        .internal-links li {
            padding: 0.3rem 0;
        }
        .internal-links a {
            color: var(--dark);
            display: flex;
            align-items: center;
        }
        .internal-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .internal-links i {
            margin-right: 10px;
            color: var(--secondary);
        }
        .interactive-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-card h3 {
            color: var(--primary);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feature-card form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .feature-card input,
        .feature-card textarea,
        .feature-card select {
            padding: 0.9rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .feature-card button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: var(--radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .feature-card button:hover {
            background: var(--primary);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .stars i {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #f6ad55;
        }
        .footer-links {
            background: var(--primary);
            padding: 3rem 0;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius);
            padding: 1.2rem;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: white;
            font-size: 1.05rem;
            display: block;
        }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-logo span {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .main-nav ul {
                gap: 1.2rem;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--primary);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
            }
            .header-container {
                padding: 0 15px;
            }
            .interactive-features {
                grid-template-columns: 1fr;
            }
            .internal-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .meta-info {
                flex-direction: column;
                gap: 0.5rem;
            }
            .feature-card {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        .bold {
            font-weight: 800;
            color: var(--primary);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .text-center {
            text-align: center;
        }