:root {
            --primary: #4361ee;
            --secondary: #3a0ca3;
            --accent: #f72585;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: #fff;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            text-shadow: 2px 2px 0px var(--accent);
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--dark);
            padding: 5px 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f3f9;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb i {
            margin: 0 10px;
            color: #adb5bd;
        }
        .hero {
            padding: 60px 0 40px;
            text-align: center;
            background: linear-gradient(135deg, #f5f7ff 0%, #e3e9ff 100%);
        }
        h1 {
            font-size: 3.2rem;
            color: var(--secondary);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-bar {
            max-width: 700px;
            margin: 40px auto;
            padding: 30px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-bar h3 {
            margin-bottom: 20px;
            color: var(--secondary);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #dee2e6;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        main article {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--secondary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #495057;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .intro-emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 20px;
            border-left: 5px solid #ffc107;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .img-container {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .img-container img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .img-container img:hover {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 10px;
            background: #f8f9fa;
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: var(--secondary);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffd700;
            margin: 10px 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-widget textarea,
        .comment-widget textarea,
        .rating-widget input,
        .comment-widget input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-widget button,
        .comment-widget button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 14px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover,
        .comment-widget button:hover {
            background: var(--secondary);
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray);
            background: #f8f9fa;
            padding: 15px;
            border-radius: var(--radius);
            text-align: center;
        }
        footer {
            background: var(--dark);
            color: #e9ecef;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #adb5bd;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: #343a40;
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: #495057;
        }
        .copyright {
            text-align: center;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .hero { padding: 40px 0; }
            .header-container { padding: 15px 20px; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                box-shadow: var(--shadow);
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.3s ease;
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav ul {
                flex-direction: column;
                padding: 20px;
            }
            .main-nav li {
                margin: 0 0 15px 0;
            }
            .hamburger {
                display: block;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: var(--radius);
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: var(--radius);
                padding: 15px;
            }
        }