:root {
            --primary: #1a1f2e; 
            --secondary: #c62828; 
            --accent: #f9a825; 
            --light: #f5f5f5;
            --dark: #121212;
            --text: #e0e0e0;
            --text-muted: #aaa;
            --gradient: linear-gradient(135deg, var(--primary), #2c3e50);
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            --border-radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--dark);
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(198, 40, 40, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 85% 30%, rgba(249, 168, 37, 0.03) 0%, transparent 20%);
            overflow-x: hidden;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--gradient);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
            border-bottom: 2px solid var(--secondary);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            text-decoration: none;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo span {
            color: var(--light);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--light);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
            text-decoration: none;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 0.8rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--text-muted);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem auto;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: rgba(26, 31, 46, 0.8);
            backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .sidebar {
            background: rgba(26, 31, 46, 0.8);
            backdrop-filter: blur(10px);
            border-radius: var(--border-radius);
            padding: 2rem;
            align-self: start;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
            padding-bottom: 2rem;
            border-bottom: 2px solid var(--secondary);
        }
        h1 {
            font-size: 3.2rem;
            color: var(--light);
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 2px 2px 0 var(--primary);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(249, 168, 37, 0.3);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--light);
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-muted);
            margin: 2rem 0 1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--accent);
            margin-bottom: 2.5rem;
            text-align: center;
            font-style: italic;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(198, 40, 40, 0.15), transparent);
            border-left: 4px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .info-box {
            background: rgba(41, 98, 255, 0.1);
            border: 1px solid rgba(41, 98, 255, 0.3);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            border-top: 4px solid var(--accent);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.08);
        }
        .stat-card .number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--secondary);
            display: block;
            line-height: 1;
        }
        .img-container {
            margin: 3rem auto;
            position: relative;
            overflow: hidden;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .img-container img {
            transition: var(--transition);
        }
        .img-container:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.8rem;
            font-style: italic;
        }
        .link-list {
            background: rgba(255, 255, 255, 0.03);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .link-list li::before {
            content: '▸';
            color: var(--secondary);
            margin-right: 0.5rem;
        }
        .interactive-module {
            background: var(--gradient);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .module-title {
            color: var(--light);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--light);
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: var(--light);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: var(--accent);
        }
        .btn {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: linear-gradient(to right, var(--secondary), #e53935);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            box-shadow: 0 4px 15px rgba(198, 40, 40, 0.4);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(198, 40, 40, 0.6);
            text-decoration: none;
            color: white;
        }
        .btn-secondary {
            background: linear-gradient(to right, var(--primary), #2c3e50);
            box-shadow: 0 4px 15px rgba(26, 31, 46, 0.4);
        }
        .btn-secondary:hover {
            box-shadow: 0 6px 20px rgba(26, 31, 46, 0.6);
        }
        .widget {
            margin-bottom: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(249, 168, 37, 0.3);
        }
        .update-time {
            background: rgba(249, 168, 37, 0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 2rem;
        }
        .update-time i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
        .site-footer {
            background: var(--primary);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
            border-top: 3px solid var(--secondary);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.07);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.5rem; }
            .main-nav ul { display: none; }
            .mobile-toggle { display: block; }
            .main-nav.active ul {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                padding: 1.5rem;
                border-radius: 0 0 var(--border-radius) var(--border-radius);
                box-shadow: var(--shadow);
                gap: 1rem;
            }
            .main-content, .sidebar { padding: 2rem; }
            .content-wrapper { gap: 2rem; }
            .stats-grid { grid-template-columns: 1fr; }
        }