:root {
            --primary-purple: #4a2c8c;
            --secondary-gold: #ffd700;
            --accent-teal: #2a9d8f;
            --dark-bg: #0f0f23;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --border-radius: 12px;
            --shadow: 0 10px 30px rgba(74, 44, 140, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            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(--text-dark);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(90deg, var(--primary-purple) 0%, #2a1b5f 100%);
            color: var(--text-light);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--secondary-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #fff;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .breadcrumb {
            font-size: 0.9rem;
            margin: 0.5rem 0;
            color: #ccc;
            width: 100%;
            order: 3;
        }
        .breadcrumb a {
            color: var(--secondary-gold);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
            transition: var(--transition);
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 215, 0, 0.2);
            color: var(--secondary-gold);
            transform: translateY(-3px);
        }
        .search-container {
            margin: 2rem auto;
            max-width: 800px;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .search-form:focus-within {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(74, 44, 140, 0.25);
        }
        .search-input {
            flex: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
            background: white;
        }
        .search-btn {
            background: linear-gradient(90deg, var(--accent-teal), #1d7873);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #1d7873, var(--accent-teal));
            letter-spacing: 1px;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        .main-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            color: var(--primary-purple);
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            border-bottom: 5px solid var(--secondary-gold);
            padding-bottom: 1rem;
            text-align: center;
        }
        h2 {
            color: var(--primary-purple);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 3px solid var(--accent-teal);
        }
        h3 {
            color: #2a1b5f;
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--accent-teal);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0) 80%);
            padding: 2rem;
            border-left: 5px solid var(--secondary-gold);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2rem 0;
            font-size: 1.2rem;
            font-weight: 600;
            color: #2a1b5f;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary-purple), #5e3ba8);
            color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(74, 44, 140, 0.3);
        }
        .stat-card i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--secondary-gold);
        }
        .stat-card h3 {
            color: white;
            font-size: 1.5rem;
            margin: 0.5rem 0;
        }
        .stat-card .number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--secondary-gold);
        }
        .article-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .internal-link {
            color: var(--primary-purple);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--accent-teal);
            padding-bottom: 2px;
            transition: var(--transition);
        }
        .internal-link:hover {
            color: var(--accent-teal);
            border-bottom-style: solid;
        }
        .user-interaction {
            background: var(--light-bg);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin: 3rem 0;
            border: 2px solid var(--primary-purple);
        }
        .interaction-form {
            display: grid;
            gap: 1.5rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--primary-purple);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--accent-teal);
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 1rem 0;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--secondary-gold);
            transform: scale(1.2);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--primary-purple), #5e3ba8);
            color: white;
            border: none;
            padding: 1.2rem 2rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1rem;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #5e3ba8, var(--primary-purple));
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(74, 44, 140, 0.3);
        }
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 4rem 2rem 2rem;
            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: 900;
            color: var(--secondary-gold);
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.7rem 1.2rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        friend-link a {
            color: var(--text-light);
            text-decoration: none;
        }
        friend-link:hover {
            background: rgba(255, 215, 0, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }
        .update-time {
            color: var(--secondary-gold);
            font-weight: 600;
            margin: 1rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                justify-content: center;
                padding: 1rem;
            }
            .container {
                padding: 1rem;
            }
            .main-content {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .stat-box {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animated {
            animation: fadeInUp 0.8s ease-out forwards;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        @media print {
            .site-header, .sidebar, .user-interaction, .site-footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .main-content {
                box-shadow: none;
                padding: 0;
            }
        }