:root {
            --primary: #FF6B00;
            --primary-dark: #E55A00;
            --secondary: #1A237E;
            --dark: #121212;
            --light: #F5F5F7;
            --gray: #424242;
            --success: #4CAF50;
            --warning: #FFC107;
            --danger: #F44336;
            --border-radius: 12px;
            --shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: var(--light);
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, #2d2d2d 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Teko', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary) 0%, #FF9800 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1.5px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 15px rgba(255, 107, 0, 0.3);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 107, 0, 0.15);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #777;
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray);
            font-size: 0.95rem;
            margin-top: 1.5rem;
        }
        .update-time {
            background-color: #FFF3E0;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            color: var(--primary-dark);
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #E0E0E0;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--gray);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--secondary);
            background-color: #E8F4FD;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        .content-img {
            float: right;
            width: 45%;
            max-width: 450px;
            margin: 1rem 0 1.5rem 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .info-box {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            border-left: 5px solid var(--primary);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
        }
        .info-box h3 {
            margin-top: 0;
            color: var(--primary-dark);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: var(--transition);
            border-top: 4px solid var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--gray);
            font-weight: 600;
        }
        .cta-button {
            display: inline-block;
            background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 1.5rem 0;
            transition: var(--transition);
            box-shadow: 0 6px 15px rgba(255, 107, 0, 0.3);
            border: none;
            cursor: pointer;
        }
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 107, 0, 0.4);
        }
        .content-link {
            color: var(--primary-dark);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--primary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary);
        }
        .search-box {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #E0E0E0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2.2rem;
            color: #FFD700;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .quick-links ul {
            list-style: none;
        }
        .quick-links li {
            margin-bottom: 1rem;
        }
        .quick-links a {
            display: block;
            padding: 1rem;
            background-color: #F8F9FA;
            border-radius: 8px;
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border-left: 4px solid transparent;
        }
        .quick-links a:hover {
            background-color: #E3F2FD;
            border-left-color: var(--primary);
            transform: translateX(5px);
        }
        .comments-section {
            margin-top: 4rem;
            background-color: #F9F9F9;
            border-radius: var(--border-radius);
            padding: 2.5rem;
        }
        .comment-form {
            display: grid;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--gray);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem;
            border: 2px solid #E0E0E0;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .comment {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--secondary);
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2.2rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
            display: block;
        }
        .footer-links h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-links h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 1rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 107, 0, 0.1);
        }
        friend-link a {
            color: #4FC3F7;
            text-decoration: none;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 3rem;
            margin-top: 3rem;
            border-top: 1px solid #424242;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .content-img {
                float: none;
                width: 100%;
                max-width: 100%;
                margin: 1.5rem 0;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0 1.5rem;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--dark);
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                padding: 1rem;
                border-radius: 8px;
                justify-content: center;
            }
            .main-container,
            .breadcrumb ol {
                padding: 0 1.5rem;
            }
            article {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .site-header,
            aside,
            .comments-section,
            footer,
            .cta-button,
            .search-box,
            .rating-widget {
                display: none;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
                line-height: 1.5;
            }
            h1, h2, h3, h4 {
                color: black;
            }
            .content-img {
                max-width: 300px;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            .main-container {
                max-width: 100%;
                margin: 0;
                grid-template-columns: 1fr;
            }
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 99;
            box-shadow: 0 5px 15px rgba(255, 107, 0, 0.4);
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-5px);
        }