:root {
            --primary-dark: #0c1a25;
            --primary-accent: #1a5fb4;
            --secondary-accent: #26a269;
            --text-light: #f5f5f5;
            --text-dim: #b0b8c0;
            --bg-card: #1e2a36;
            --border-color: #2d3b4a;
            --hover-glow: rgba(26, 95, 180, 0.4);
            --spacing-unit: 1rem;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, #15212e 100%);
            background-attachment: fixed;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-accent);
            text-shadow: 0 0 8px var(--hover-glow);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-unit);
        }
        section {
            padding: 3rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 2rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--primary-accent);
            position: relative;
            color: #ffffff;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100px;
            height: 2px;
            background: var(--secondary-accent);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin-bottom: 2rem;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
            border-color: var(--primary-accent);
        }
        .highlight {
            background: linear-gradient(90deg, rgba(26, 95, 180, 0.15) 0%, transparent 100%);
            border-left: 4px solid var(--primary-accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary-accent), #2d7ad6);
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            box-shadow: 0 4px 15px rgba(26, 95, 180, 0.3);
        }
        .btn:hover {
            background: linear-gradient(90deg, #2d7ad6, var(--secondary-accent));
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(38, 162, 105, 0.4);
            color: white;
        }
        .emoji {
            margin-right: 0.5rem;
        }
        header {
            background: rgba(12, 26, 37, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #1a5fb4, #26a269);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-accent);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--bg-card);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-dim);
        }
        .breadcrumb a {
            color: var(--text-dim);
        }
        .breadcrumb a:hover {
            color: var(--text-light);
        }
        .hero {
            padding-top: 5rem;
            padding-bottom: 5rem;
            text-align: center;
            background: radial-gradient(circle at 50% 0%, rgba(38, 162, 105, 0.1) 0%, transparent 50%);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            background: linear-gradient(90deg, #ffffff, var(--text-dim));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 1.3rem;
            color: var(--text-dim);
            max-width: 800px;
            margin: 0 auto 3rem;
        }
        .search-container {
            max-width: 700px;
            margin: 3rem auto;
        }
        .search-form {
            display: flex;
            background: var(--bg-card);
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--primary-accent);
            box-shadow: 0 0 25px var(--hover-glow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1.2rem 2rem;
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 1.1rem;
        }
        .search-input:focus {
            outline: none;
        }
        .search-btn {
            background: var(--primary-accent);
            color: white;
            border: none;
            padding: 0 2.5rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--secondary-accent);
        }
        article {
            font-size: 1.1rem;
        }
        article h2 {
            font-size: 2rem;
            margin: 3rem 0 1.5rem;
            color: #ffffff;
        }
        article h3 {
            font-size: 1.6rem;
            margin: 2.5rem 0 1.2rem;
            color: #e0e6ff;
        }
        article p {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        article strong {
            color: #ffffff;
            font-weight: 700;
        }
        .article-image {
            width: 100%;
            max-width: 900px;
            margin: 3rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 2px solid var(--border-color);
        }
        .article-image img {
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feature-item {
            background: rgba(255, 255, 255, 0.03);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid transparent;
        }
        .feature-item:hover {
            border-color: var(--primary-accent);
        }
        .interaction-module {
            margin: 4rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffc107;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-accent);
            background: rgba(255, 255, 255, 0.08);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 4rem 0 2rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.02);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .web-link:hover {
            border-color: var(--secondary-accent);
            background: rgba(38, 162, 105, 0.05);
        }
        footer {
            background: rgba(0, 0, 0, 0.4);
            padding: 3rem 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
            margin-top: 4rem;
        }
        .copyright {
            color: var(--text-dim);
            font-size: 0.95rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.8rem; }
            .section-title { font-size: 1.9rem; }
            article h2 { font-size: 1.8rem; }
            article h3 { font-size: 1.5rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .hero h1 { font-size: 2.3rem; }
            .hero-subtitle { font-size: 1.1rem; }
            .feature-list { grid-template-columns: 1fr; }
            .footer-links { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 2rem; }
            .section-title { font-size: 1.7rem; }
            .card { padding: 1.5rem; }
            .btn { padding: 0.8rem 1.5rem; }
        }