* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        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: #ff6b6b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2332 0%, #0a0e17 100%);
            padding: 1rem 2rem;
            border-bottom: 2px solid #1e88e5;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #1e88e5;
        }
        .logo .riot {
            color: #ff4757;
            font-size: 1.5rem;
        }
        .my-logo {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: #1a237e;
            border-radius: 5px;
        }
        .nav-toggle {
            display: none;
        }
        .nav-toggle-label {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #bbbbbb;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: #1e88e5;
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #111827;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #90caf9;
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 0.5rem;
        }
        .container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: #121826;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #888;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #333;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #1a237e;
        }
        h3 {
            font-size: 1.6rem;
            color: #ffb74d;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #81c784;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #ffcc80;
            font-weight: 700;
        }
        em {
            color: #ce93d8;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(90deg, #1a237e22, #0d47a122);
            padding: 1.5rem;
            border-left: 5px solid #1e88e5;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .feature-img {
            width: 100%;
            margin: 2rem 0;
            border: 3px solid #1e88e5;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
        }
        .search-widget, .comment-widget, .rating-widget {
            background-color: #1a2332;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .widget-title {
            color: #ffb74d;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #333;
            background-color: #0a0e17;
            color: #e0e0e0;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(to right, #1e88e5, #0d47a1);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(30, 136, 229, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffd700;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .related-links, .quick-nav {
            background-color: #121826;
            padding: 1.5rem;
            border-radius: 10px;
        }
        .related-links h3, .quick-nav h3 {
            color: #4fc3f7;
            margin-top: 0;
        }
        .related-links ul, .quick-nav ul {
            list-style: none;
        }
        .related-links li, .quick-nav li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li:before, .quick-nav li:before {
            content: '▶';
            color: #1e88e5;
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .site-footer {
            background-color: #0a0e17;
            border-top: 2px solid #1a237e;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: #4dabf7;
            margin-bottom: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        friend-link {
            display: block;
            background: #1a2332;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        friend-link h4 {
            color: #ffb74d;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-toggle-label {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a2332;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid #333;
            }
            .nav-toggle:checked ~ .main-nav ul {
                display: flex;
            }
            .main-nav li {
                margin: 0.5rem 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .container {
                padding: 0 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        .highlight-box {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 6px solid #ff6b6b;
        }