:root {
            --primary-red: #e63946;
            --holiday-green: #2a9d8f;
            --holiday-red: #e76f51;
            --dark-blue: #1d3557;
            --light-blue: #a8dadc;
            --cream: #f1faee;
            --gray-100: #f8f9fa;
            --gray-800: #343a40;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --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', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--gray-800);
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            background-attachment: fixed;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, var(--dark-blue) 0%, var(--holiday-green) 100%);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--cream);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: var(--light-blue);
        }
        .my-logo i {
            color: var(--holiday-red);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--cream);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--cream);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background: var(--gray-100);
            padding: 1rem 0;
            border-bottom: 1px solid #dee2e6;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--holiday-green);
            text-decoration: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--gray-800);
        }
        main {
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 3rem;
            margin: 2rem auto;
            position: relative;
            overflow: hidden;
        }
        main::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--holiday-red), var(--holiday-green), var(--dark-blue));
        }
        h1 {
            color: var(--dark-blue);
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            background: linear-gradient(90deg, var(--holiday-red), var(--holiday-green));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            color: var(--holiday-green);
            font-size: 2.4rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--light-blue);
        }
        h3 {
            color: var(--dark-blue);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--holiday-red);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .lead-paragraph {
            font-size: 1.3rem;
            color: var(--dark-blue);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: linear-gradient(90deg, var(--cream) 0%, transparent 100%);
            border-left: 4px solid var(--holiday-red);
            border-radius: 0 8px 8px 0;
        }
        .word-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .word-category {
            background: var(--gray-100);
            border: 2px solid var(--light-blue);
            border-radius: 10px;
            padding: 1.5rem;
            transition: var(--transition);
        }
        .word-category:hover {
            transform: translateY(-5px);
            border-color: var(--holiday-green);
            box-shadow: var(--shadow);
        }
        .word-category h4 {
            color: var(--holiday-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .word-category ul {
            list-style: none;
            padding-left: 0;
        }
        .word-category li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #dee2e6;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .word-category li:last-child {
            border-bottom: none;
        }
        .word-category li::before {
            content: "🎨";
            font-size: 0.9rem;
        }
        .feature-card {
            background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
            border: 1px solid #dee2e6;
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .search-box, .comment-form, .rating-form {
            margin: 2rem 0;
            padding: 2rem;
            background: var(--gray-100);
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1rem;
            border: 2px solid #dee2e6;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus, .comment-form input:focus, .comment-form textarea:focus {
            outline: none;
            border-color: var(--holiday-green);
            box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
        }
        .btn {
            padding: 0.8rem 2rem;
            background: linear-gradient(90deg, var(--holiday-green), var(--holiday-red));
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ffd700;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-links {
            background: linear-gradient(135deg, var(--cream) 0%, var(--light-blue) 100%);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .internal-links h3 {
            color: var(--dark-blue);
            margin-bottom: 1.5rem;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .internal-links a {
            color: var(--holiday-green);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            background: white;
        }
        .internal-links a:hover {
            background: var(--holiday-green);
            color: white;
            transform: translateX(5px);
        }
        footer {
            background: var(--dark-blue);
            color: var(--cream);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--light-blue);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--light-blue);
            text-decoration: none;
            transition: var(--transition);
            padding: 0.3rem 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: var(--holiday-red);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a8dadc;
        }
        .last-updated {
            text-align: center;
            font-size: 0.9rem;
            color: #6c757d;
            margin: 1rem 0;
            font-style: italic;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.6rem; }
            .main-nav ul {
                gap: 1rem;
            }
            .word-list-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                flex: 1;
            }
            .main-nav {
                order: 2;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                padding: 1rem;
                justify-content: center;
            }
            main {
                padding: 2rem 1.5rem;
                margin: 1rem auto;
            }
            .feature-card, .search-box, .comment-form, .rating-form {
                padding: 1.5rem;
            }
            .internal-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .search-box form, .comment-form form, .rating-form form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
                width: 100%;
            }
        }
        @media print {
            .main-nav, .search-box, .comment-form, .rating-form, .hamburger, footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            main {
                box-shadow: none;
                margin: 0;
                padding: 0;
            }
            .article-image {
                max-width: 100%;
                page-break-inside: avoid;
            }
        }