:root {
            --primary: #4a6bff;
            --secondary: #ff6b9d;
            --accent: #4ce0b3;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--dark), #16213e);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent);
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--accent);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: var(--transition);
        }
        nav a:hover,
        nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .breadcrumb {
            background-color: #f1f3ff;
            padding: 1rem 2rem;
            font-size: 0.95rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: var(--gray);
            font-weight: 500;
            border-left: 5px solid var(--primary);
            padding-left: 1.5rem;
            margin-bottom: 2.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .float-left {
            float: left;
            margin-right: 2rem;
            margin-bottom: 1rem;
            max-width: 50%;
        }
        .highlight {
            background: linear-gradient(120deg, #e1f5fe 0%, #e1f5fe 100%);
            padding: 2rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary);
            margin: 2.5rem 0;
        }
        .highlight h3 {
            margin-top: 0;
            color: var(--dark);
        }
        blockquote {
            font-style: italic;
            color: var(--gray);
            border-left: 4px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        a.content-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary);
            transition: var(--transition);
        }
        a.content-link:hover {
            color: var(--secondary);
            border-bottom: 2px solid var(--secondary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--accent);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat-desc {
            color: var(--gray);
            font-size: 1rem;
        }
        .update-time {
            color: var(--gray);
            font-size: 0.95rem;
            font-style: italic;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
            text-align: right;
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--dark);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--primary);
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #3a5bff;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .star {
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.3);
        }
        .rating-form input,
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .comment-form textarea:focus,
        .comment-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.2);
        }
        .btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            width: 100%;
        }
        .btn:hover {
            background: #3a5bff;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(58, 91, 255, 0.3);
        }
        .btn-accent {
            background: var(--accent);
        }
        .btn-accent:hover {
            background: #3bc9a7;
        }
        footer {
            background: var(--dark);
            color: white;
            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: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--accent);
        }
        .footer-links h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
        }
        friend-link a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            margin-right: 1.5rem;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
                order: -1;
            }
        }
        @media (max-width: 768px) {
            header {
                padding: 1rem;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background: var(--dark);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                z-index: 999;
            }
            nav ul.active {
                left: 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .float-left {
                float: none;
                margin-right: 0;
                max-width: 100%;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .bounce {
            animation: bounce 1s infinite;
        }
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }