:root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #ea4335;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --border-radius: 8px;
            --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1e3a8a 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo span {
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: #60a5fa;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--text-light);
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #0d5bb5;
        }
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        .main-content {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f1f5f9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary-color);
            margin-bottom: 2rem;
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--accent-color);
            border-bottom: 1px solid var(--accent-color);
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--box-shadow);
            transition: transform 0.3s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .sidebar {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--box-shadow);
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-top: 0;
            color: var(--dark-bg);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.75rem;
            padding-left: 1rem;
            position: relative;
        }
        .related-links li::before {
            content: '🏀';
            position: absolute;
            left: 0;
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary-color);
        }
        .rating-section {
            background-color: #f8fafc;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e2e8f0;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 500px;
        }
        .star-rating {
            display: flex;
            gap: 0.25rem;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #fbbf24;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input {
            padding: 0.75rem;
            border: 1px solid #cbd5e1;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: #2a8c47;
        }
        .comments-section {
            margin: 3rem 0;
        }
        .comment-form {
            background-color: #f8fafc;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .comment {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
            border-left: 3px solid var(--primary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        .friend-links a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #fef3c7;
            padding: 0.75rem 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #92400e;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav ul {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                flex-direction: column;
                padding: 1rem;
                gap: 0;
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active ul {
                transform: translateY(0);
                opacity: 1;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
            }
            .main-nav ul li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #334155;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(6px, -6px);
            }
            .content-container {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 0.75rem;
            }
        }
        @media print {
            .site-header, .search-container, .sidebar, .rating-section, .comment-form, .site-footer {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            .content-container {
                max-width: 100%;
                padding: 0;
                grid-template-columns: 1fr;
            }
            .main-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }
        .highlight {
            background-color: #fef3c7;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .note-box {
            background-color: #eff6ff;
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }
        .tip-box {
            background-color: #f0fdf4;
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }