:root {
            --primary-red: #D32F2F;
            --primary-blue: #1976D2;
            --dark-bg: #0d1117;
            --light-bg: #f5f5f5;
            --text-light: #ffffff;
            --text-dark: #212121;
            --accent-yellow: #FFD700;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            line-height: 1.6;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
            color: var(--text-light);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent-yellow);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-red);
            text-decoration: underline;
        }
        .site-header {
            background-color: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 3px solid var(--primary-red);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary-red), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            letter-spacing: -1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 600;
        }
        .main-nav a:hover {
            background-color: var(--primary-red);
            color: white;
            text-decoration: none;
        }
        .breadcrumb {
            max-width: var(--max-width);
            margin: 1rem auto;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .main-wrapper {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .content-area {
            background: rgba(30, 30, 46, 0.7);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: rgba(30, 30, 46, 0.7);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            font-family: 'Trebuchet MS', 'Lucida Sans Unicode', sans-serif;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3rem;
            color: var(--accent-yellow);
            border-bottom: 3px solid var(--primary-red);
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4FC3F7;
            margin-top: 2.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--primary-red);
        }
        h3 {
            font-size: 1.7rem;
            color: #81C784;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #FFB74D;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #E0E0E0;
            background: rgba(211, 47, 47, 0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent-yellow);
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.15);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: bold;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            border: 3px solid var(--primary-blue);
            margin: 2rem auto;
            display: block;
            transition: var(--transition);
        }
        .article-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(25, 118, 210, 0.4);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .update-time {
            display: inline-block;
            background-color: var(--dark-bg);
            color: #FF9800;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .interactive-module {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid #333;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: 2.5rem 0;
        }
        .module-title {
            color: var(--accent-yellow);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: var(--border-radius);
            border: 1px solid #555;
            background-color: rgba(255,255,255,0.1);
            color: var(--text-light);
            font-size: 1rem;
        }
        button {
            background: linear-gradient(to right, var(--primary-red), #B71C1C);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: var(--transition);
            align-self: flex-start;
        }
        button:hover {
            background: linear-gradient(to right, #B71C1C, var(--primary-red));
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(183, 28, 28, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
        }
        .stars .fa-star {
            transition: var(--transition);
        }
        .stars .fa-star:hover,
        .stars .fa-star.active {
            color: var(--accent-yellow);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #444;
        }
        .related-links a {
            display: block;
            padding: 0.7rem;
            background: rgba(255,255,255,0.05);
            border-radius: var(--border-radius);
        }
        .related-links a:hover {
            background: rgba(211, 47, 47, 0.2);
            transform: translateX(5px);
        }
        .site-footer {
            background-color: #080808;
            border-top: 3px solid var(--primary-blue);
            margin-top: auto;
            padding: 3rem 2rem 1.5rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: var(--accent-yellow);
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            color: #64B5F6;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .mobile-toggle {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area, .sidebar {
                padding: 1.5rem;
            }
        }