:root {
            --primary: #2E5BFF;
            --secondary: #00D4AA;
            --dark: #1A1F36;
            --light: #F7F9FC;
            --gray: #697386;
            --accent: #FF6B6B;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        header {
            background-color: #fff;
            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 a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .search-box {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #E3E8EE;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: var(--primary);
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #1E4BFF;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        nav {
            background: var(--dark);
            padding: 0;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 18px 22px;
            color: #fff;
            font-weight: 500;
        }
        .nav-links a:hover {
            background-color: var(--primary);
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light);
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark);
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--primary);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            color: #333;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--gray);
            font-weight: 500;
            margin-bottom: 30px;
            padding: 20px;
            background: var(--light);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius);
        }
        .highlight {
            background: linear-gradient(120deg, #fdf6b2 0%, #fdf6b2 100%);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
            border-left: 4px solid #FFD166;
        }
        .highlight strong {
            color: #d97706;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: var(--dark);
            background: var(--light);
            padding: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .term {
            background: #e0f2fe;
            color: #0369a1;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 500;
        }
        .rating-box {
            background: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin: 40px 0;
            text-align: center;
        }
        .rating-box h3 {
            margin-top: 0;
        }
        .stars {
            font-size: 2rem;
            color: #FFD700;
            margin: 15px 0;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            margin: 10px 5px;
        }
        .btn:hover {
            background: #1E4BFF;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(46, 91, 255, 0.3);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #00C29A;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .comment-form, .score-form {
            background: var(--light);
            padding: 30px;
            border-radius: var(--radius);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #E3E8EE;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            margin: 15px 0;
            color: #E3E8EE;
            cursor: pointer;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #FFD700;
        }
        .footer-links {
            background: var(--dark);
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: white;
            padding: 12px 20px;
            margin: 8px;
            border-radius: 50px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        .links-container {
            text-align: center;
        }
        footer {
            background: #0F1524;
            color: #B0B7C3;
            padding: 40px 0;
            text-align: center;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #2A3345;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .search-box { max-width: 300px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .search-box { display: none; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                box-shadow: var(--shadow);
            }
            .nav-links.active { display: flex; }
            .nav-links li { width: 100%; }
            .nav-links a { padding: 15px 20px; }
            .header-top { padding: 15px 0; }
            article { padding: 25px; }
            .interactive-section { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .container { padding: 0 15px; }
            article { padding: 20px; }
            .btn { padding: 10px 20px; }
        }