        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #1a365d;
            --secondary-red: #c53030;
            --accent-gold: #d69e2e;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --gray-border: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        body {
            background-color: #fff;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--secondary-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #2a4365 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .my-logo span {
            background: linear-gradient(90deg, #fff, var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-blue);
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            border-bottom: 1px solid var(--gray-border);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #a0aec0;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.5rem;
            padding-left: 15px;
            border-left: 5px solid var(--secondary-red);
        }
        h3 {
            font-size: 1.5rem;
            color: #2d3748;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #4a5568;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead-paragraph {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-blue);
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent-gold);
            margin: 2rem 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
            border: 2px solid var(--secondary-red);
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            position: relative;
        }
        .highlight-box:before {
            content: "⚾";
            position: absolute;
            top: -15px;
            left: 20px;
            background: white;
            padding: 0 10px;
            font-size: 1.5rem;
        }
        .related-term {
            background-color: #e6fffa;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-weight: 600;
            color: #234e52;
        }
        .interactive-image {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .interactive-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            padding: 0.8rem;
            background-color: #f7fafc;
            border-top: 1px solid var(--gray-border);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-blue);
            border-bottom: 2px solid var(--accent-gold);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--gray-border);
            border-right: none;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background-color: var(--secondary-red);
        }
        .rating-widget {
            text-align: center;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-gold);
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid var(--gray-border);
            border-radius: 5px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
            width: 100%;
        }
        .submit-btn:hover {
            background-color: var(--secondary-red);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed var(--gray-border);
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: var(--secondary-red);
        }
        .site-footer {
            background-color: var(--primary-blue);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-section h3 {
            color: white;
            border-bottom: 2px solid var(--accent-gold);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #cbd5e0;
        }
        friend-link a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .my-logo {
                font-size: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .main-content {
                padding: 1.5rem 0;
            }
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-blue) 0%, #2d3748 100%);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(50, 50, 93, 0.25);
            background: linear-gradient(135deg, var(--secondary-red) 0%, #c53030 100%);
        }
        .stat-box {
            display: flex;
            justify-content: space-around;
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .stat-item h4 {
            color: var(--primary-blue);
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        .quote {
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #4a5568;
            background-color: #faf08920;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .content-navigation {
            background-color: #f0fff4;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid #c6f6d5;
        }
        .content-navigation ul {
            columns: 2;
            list-style-position: inside;
        }
        @media (max-width: 600px) {
            .content-navigation ul {
                columns: 1;
            }
        }
        .key-takeaway {
            background: linear-gradient(135deg, #e6fffa 0%, #b2f5ea 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            position: relative;
            border: 2px solid #38b2ac;
        }
        .key-takeaway:before {
            content: "💡";
            position: absolute;
            top: -15px;
            left: 20px;
            background: white;
            padding: 0 10px;
            font-size: 1.5rem;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        .comparison-table th {
            background-color: var(--primary-blue);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .comparison-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--gray-border);
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f7fafc;
        }
        .comparison-table tr:hover {
            background-color: #ebf8ff;
        }
