* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #93c5fd;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: #ef4444;
            font-size: 2.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .main-nav a:hover {
            background-color: rgba(59, 130, 246, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #cbd5e1;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
            border-bottom: 1px solid #334155;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .hero {
            background: radial-gradient(circle at top right, #1e3a8a, transparent 50%),
                        radial-gradient(circle at bottom left, #7c3aed, transparent 50%);
            padding: 4rem 0;
            text-align: center;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .search-box {
            max-width: 700px;
            margin: 2rem auto;
            background: rgba(30, 41, 59, 0.7);
            padding: 1.5rem;
            border-radius: 15px;
            border: 1px solid #475569;
        }
        .search-box h3 {
            margin-bottom: 1rem;
            color: #cbd5e1;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #475569;
            border-radius: 10px 0 0 10px;
            background-color: #1e293b;
            color: #f1f5f9;
            font-size: 1rem;
        }
        .search-form button {
            padding: 0 2rem;
            background: linear-gradient(90deg, #3b82f6, #6366f1);
            color: white;
            border: none;
            border-radius: 0 10px 10px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #2563eb, #4f46e5);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: rgba(30, 41, 59, 0.5);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid #334155;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        h2 {
            font-size: 2.5rem;
            margin: 2.5rem 0 1.5rem;
            color: #93c5fd;
            border-left: 5px solid #3b82f6;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #c4b5fd;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), transparent);
            padding: 1.5rem;
            border-left: 4px solid #3b82f6;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .term {
            font-weight: bold;
            color: #fbbf24;
            font-style: italic;
        }
        .quote {
            font-style: italic;
            color: #86efac;
            font-size: 1.2rem;
            text-align: center;
            padding: 2rem;
            border-top: 1px solid #4ade80;
            border-bottom: 1px solid #4ade80;
            margin: 2.5rem 0;
        }
        .data-point {
            display: inline-flex;
            align-items: center;
            background: #1e3a8a;
            color: #bfdbfe;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            margin: 0.5rem;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article-image {
            margin: 2.5rem auto;
            text-align: center;
        }
        .article-image img {
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
            border: 3px solid #475569;
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .article-image img:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
        }
        .image-caption {
            margin-top: 0.8rem;
            font-size: 0.95rem;
            color: #94a3b8;
            font-style: italic;
        }
        .widget {
            background: rgba(30, 41, 59, 0.7);
            padding: 1.5rem;
            border-radius: 15px;
            border: 1px solid #475569;
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #fbbf24;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #475569;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-section {
            margin-top: 4rem;
            background: rgba(30, 41, 59, 0.7);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid #475569;
        }
        .interaction-section h2 {
            text-align: center;
            border: none;
            margin-top: 0;
        }
        .rating-widget {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 2.5rem;
        }
        .stars {
            font-size: 2rem;
            color: #475569;
            margin-bottom: 1rem;
            cursor: pointer;
        }
        .stars .star {
            transition: color 0.2s;
            margin: 0 5px;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #fbbf24;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.9rem;
            border-radius: 10px;
            border: 2px solid #475569;
            background-color: #1e293b;
            color: #f1f5f9;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #3b82f6;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .submit-btn {
            background: linear-gradient(90deg, #10b981, #3b82f6);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, background 0.3s;
            display: block;
            margin: 2rem auto 0;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            background: linear-gradient(90deg, #0da271, #2563eb);
        }
        .internal-links {
            background: rgba(15, 23, 42, 0.9);
            padding: 3rem 0;
            margin-top: 4rem;
            border-top: 2px solid #334155;
            border-bottom: 2px solid #334155;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1.5rem;
            padding: 0.7rem 1.5rem;
            background: rgba(30, 41, 59, 0.7);
            border-radius: 50px;
            border: 1px solid #475569;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(59, 130, 246, 0.2);
            transform: translateY(-5px);
        }
        .links-container {
            text-align: center;
        }
        .site-footer {
            padding: 3rem 0;
            text-align: center;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #1e293b;
                padding: 1rem;
                border-top: 2px solid #334155;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-article,
            .interaction-section {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 2rem;
            }
        }