* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #1a365d; 
            --primary-accent: #e53e3e; 
            --secondary-accent: #d69e2e; 
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --light-text: #718096;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
            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: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fff, var(--secondary-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--secondary-accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--light-text);
            background-color: #edf2f7;
        }
        .breadcrumb a {
            color: var(--primary-accent);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid var(--primary-accent);
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-accent);
        }
        h3 {
            font-size: 1.5rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--primary-accent);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-dark);
            background-color: #fef3c7;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid var(--secondary-accent);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fed7d7;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            color: var(--light-text);
            background-color: #f8f9fa;
        }
        blockquote {
            border-left: 4px solid var(--secondary-accent);
            padding: 1.5rem 2rem;
            margin: 2.5rem 0;
            background-color: #f0fff4;
            font-style: italic;
            color: #276749;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
            padding: 2rem;
            background: linear-gradient(to right, #e6fffa, #ebf8ff);
            border-radius: 10px;
        }
        .stat {
            text-align: center;
            padding: 1.5rem;
        }
        .stat .number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-accent);
            display: block;
        }
        .internal-links {
            background-color: #e6f7ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .internal-links ul {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .internal-links li a {
            background-color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            border: 1px solid #91d5ff;
            font-size: 0.9rem;
        }
        .internal-links li a:hover {
            background-color: #1890ff;
            color: white;
            border-color: #1890ff;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: var(--light-text);
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #cbd5e0;
        }
        .interactive-modules {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .module {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .module h3 {
            color: var(--primary-dark);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .module form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .module input, .module textarea, .module select {
            padding: 0.9rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .module input:focus, .module textarea:focus, .module select:focus {
            outline: none;
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
        }
        .module button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .module button:hover {
            background-color: #c53030;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
        }
        .stars .active {
            color: var(--secondary-accent);
        }
        footer {
            background-color: var(--primary-dark);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #90cdf4;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            nav {
                width: 100%;
                display: none;
                flex-direction: column;
            }
            nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                margin-top: 1rem;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
                border: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .interactive-modules {
                grid-template-columns: 1fr;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }