* {
            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;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-spacing {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .highlight {
            background: linear-gradient(90deg, transparent 0%, #1e293b 50%, transparent 100%);
            padding: 15px;
            border-left: 4px solid #3b82f6;
            margin: 20px 0;
        }
        .emoji { font-size: 1.2em; }
        header {
            background-color: #1e293b;
            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;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #ef4444;
        }
        .my-logo:hover {
            color: #f59e0b;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #cbd5e1;
            font-weight: 600;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #60a5fa;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #cbd5e1;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger-btn { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.3);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #cbd5e1;
            padding: 12px 0;
            border-bottom: 1px solid #334155;
            font-weight: 600;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            background-color: #334155;
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb span {
            color: #cbd5e1;
            margin: 0 5px;
        }
        .hero {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 80px 20px;
            text-align: center;
            border-bottom: 2px solid #334155;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: #fbbf24;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #cbd5e1;
        }
        .hero-cta {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: #60a5fa;
            border: 2px solid #60a5fa;
        }
        .btn-secondary:hover {
            background-color: rgba(96, 165, 250, 0.1);
            transform: translateY(-3px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
        }
        @media (max-width: 1024px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        h1 { font-size: 2.8rem; margin-bottom: 1.5rem; }
        h2 {
            font-size: 2.2rem;
            color: #fbbf24;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid #334155;
        }
        h3 {
            font-size: 1.8rem;
            color: #60a5fa;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #38bdf8;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .figure-container {
            margin: 30px auto;
            text-align: center;
        }
        .figure-container img {
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
            border: 2px solid #475569;
        }
        .caption {
            margin-top: 10px;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .quote {
            font-size: 1.3rem;
            color: #cbd5e1;
            border-left: 5px solid #10b981;
            padding: 20px 30px;
            margin: 30px 0;
            background-color: rgba(16, 185, 129, 0.05);
        }
        .author {
            text-align: right;
            font-weight: 600;
            color: #10b981;
            margin-top: 10px;
        }
        .sidebar {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 30px;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }
        .sidebar h3 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.5rem;
        }
        .widget {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #334155;
        }
        .widget:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }
        .related-links a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px dashed #475569;
            color: #cbd5e1;
        }
        .related-links a:last-child { border-bottom: none; }
        .related-links a:hover { color: #60a5fa; padding-left: 8px; }
        .update-time {
            background-color: #334155;
            padding: 15px;
            border-radius: 8px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .update-time i {
            color: #f59e0b;
            margin-right: 8px;
        }
        .interactive-module {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            border-radius: 12px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #475569;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            color: #fbbf24;
            font-size: 1.8rem;
        }
        .module-title i {
            font-size: 2rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-control {
            padding: 14px 18px;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: #60a5fa;
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            cursor: pointer;
            margin-bottom: 15px;
        }
        .star {
            color: #475569;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
            transform: scale(1.1);
        }
        .btn-submit {
            align-self: flex-start;
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
        }
        footer {
            background-color: #1e293b;
            border-top: 2px solid #334155;
            padding: 60px 20px 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            color: #fbbf24;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: #fbbf24;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            list-style: none;
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: #60a5fa;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #334155;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            border-left: 4px solid #3b82f6;
        }
        friend-link a {
            color: #fbbf24;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero-cta { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; }
            article { padding: 25px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .main-content { padding: 20px; }
            .sidebar { position: static; }
        }