* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2238 0%, #0a0e17 100%);
            border-bottom: 2px solid #1e3a8a;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
        }
        .logo-icon {
            margin-right: 10px;
            font-size: 2.2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #3b82f6;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e0e0e0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #111827;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #6b7280;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            border: 1px solid #334155;
        }
        aside {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            padding: 1.5rem;
            height: fit-content;
            border: 1px solid #334155;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(to right, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #93c5fd;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3b82f6;
        }
        h3 {
            font-size: 1.5rem;
            color: #bfdbfe;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #cbd5e1;
            font-weight: 500;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0) 100%);
            border-left: 4px solid #3b82f6;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background-color: rgba(30, 64, 175, 0.2);
            border: 1px solid #3b82f6;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .info-icon {
            color: #60a5fa;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .article-image {
            border-radius: 10px;
            overflow: hidden;
            margin: 2.5rem auto;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            border: 2px solid #475569;
            max-width: 800px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dashed #4dabf7;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: rgba(15, 23, 42, 0.8);
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            border-top: 4px solid #3b82f6;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #60a5fa;
            display: block;
            line-height: 1;
        }
        .functional-box {
            background: rgba(15, 23, 42, 0.9);
            border-radius: 10px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            border: 1px solid #475569;
        }
        .functional-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #cbd5e1;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: #1e293b;
            border: 1px solid #475569;
            border-radius: 6px;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #60a5fa;
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            direction: ltr;
        }
        .star {
            font-size: 1.8rem;
            color: #4b5563;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #3b82f6, #1d4ed8);
            color: white;
            font-weight: 600;
            padding: 0.9rem 2rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(to right, #2563eb, #1e40af);
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(37, 99, 235, 0.3);
        }
        .btn-block {
            width: 100%;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h4 {
            font-size: 1.3rem;
            color: #93c5fd;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #475569;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.9rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #60a5fa;
        }
        .site-footer {
            background: #0f172a;
            border-top: 2px solid #1e3a8a;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #60a5fa;
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            list-style: none;
            margin-top: 1rem;
        }
        .friend-links a {
            background: rgba(30, 64, 175, 0.2);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            border: 1px solid #3b82f6;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: #1a2238;
                flex-direction: column;
                align-items: center;
                padding: 2rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            }
            .main-nav.active ul {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .header-container, .footer-container {
                flex-direction: column;
                text-align: center;
                gap: 1.5rem;
            }
        }