:root {
            --primary: #6a11cb;
            --secondary: #2575fc;
            --accent: #ff4b8d;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --warning: #ffc107;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(90deg, var(--dark) 0%, #16213e 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2rem;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 15px rgba(255, 75, 141, 0.5);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .main-nav a:hover::after {
            width: 70%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 2px solid #eee;
        }
        h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            margin: 50px 0 20px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: #2d3748;
        }
        h4 {
            font-size: 1.2rem;
            margin: 20px 0 10px;
            color: #4a5568;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--gray);
            font-weight: 300;
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 75, 141, 0.15) 0%, rgba(37, 117, 252, 0.15) 100%);
            border-left: 4px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted transparent;
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .update-time {
            background: #e8f4fd;
            padding: 15px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }
        .update-time i {
            color: var(--secondary);
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--accent);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #e2e8f0;
            border-right: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .search-btn {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-btn:hover {
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            transform: scale(1.05);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
            transform: scale(1.2);
        }
        .rate-btn {
            background: var(--success);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rate-btn:hover {
            background: #218838;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(40, 167, 69, 0.3);
        }
        .comment-section {
            margin-top: 60px;
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .comment-form textarea {
            width: 100%;
            padding: 20px;
            border: 2px solid #e2e8f0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            margin-bottom: 20px;
            resize: vertical;
            min-height: 150px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .comment-submit {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            display: block;
            margin-left: auto;
        }
        .comment-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(106, 17, 203, 0.3);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 10px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link a {
            color: #90cdf4;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            max-width: 1200px;
            margin: 50px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            html {
                font-size: 14px;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                width: 100%;
                order: 3;
                margin-top: 20px;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav a {
                display: block;
                padding: 15px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hamburger {
                display: block;
            }
            article, .sidebar-widget, .comment-section {
                padding: 25px;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 800;
            color: var(--dark);
        }
        .note {
            background: #fff9db;
            border-left: 4px solid #ffd43b;
            padding: 15px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 30px 0;
        }
        .stat-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }