:root {
            --primary: #ff6b35; 
            --secondary: #1a5fb4; 
            --dark: #2d3748;
            --light: #f7fafc;
            --gray: #718096;
            --success: #38a169;
            --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: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: -0.5px;
        }
        .my-logo span {
            color: var(--secondary);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            padding: 5px 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--dark);
            cursor: pointer;
        }
        .breadcrumb {
            background: var(--light);
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:last-child {
            color: var(--dark);
            font-weight: 600;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #cbd5e0;
        }
        .hero {
            background: linear-gradient(135deg, #1a5fb4 0%, #2d3748 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 25px;
            opacity: 0.9;
        }
        .search-bar {
            max-width: 600px;
            margin: 30px auto;
            background: white;
            border-radius: 50px;
            padding: 5px;
            display: flex;
            box-shadow: var(--shadow);
        }
        .search-bar input {
            flex: 1;
            border: none;
            padding: 15px 20px;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-bar button {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-bar button:hover {
            background: #e55a2b;
        }
        .content-main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .content-main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            padding-bottom: 8px;
            border-bottom: 1px dashed #e2e8f0;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark);
        }
        h4 {
            font-size: 1.2rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        strong {
            color: var(--dark);
            font-weight: 700;
        }
        .intro {
            font-size: 1.2rem;
            background: var(--light);
            padding: 25px;
            border-left: 5px solid var(--primary);
            border-radius: var(--radius);
            margin-bottom: 2em;
        }
        .highlight {
            background: linear-gradient(120deg, #fffbeb 0%, #fef3c7 100%);
            padding: 25px;
            border-radius: var(--radius);
            border: 1px solid #fbbf24;
            margin: 2em 0;
        }
        .highlight h3 {
            color: #d97706;
            margin-top: 0;
        }
        .img-container {
            margin: 2.5em 0;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .img-container img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 10px;
            font-style: italic;
        }
        .internal-links {
            background: #f0f9ff;
            padding: 20px;
            border-radius: var(--radius);
            margin: 2em 0;
        }
        .internal-links h3 {
            margin-top: 0;
            color: var(--secondary);
        }
        .internal-links ul {
            columns: 2;
            list-style: none;
        }
        .internal-links li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .internal-links li::before {
            content: '🏀';
            position: absolute;
            left: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .update-time {
            color: var(--success);
            font-weight: 600;
            font-size: 1rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            justify-content: center;
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #fbbf24;
        }
        .rating-widget input,
        .rating-widget textarea {
            padding: 12px;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-widget button {
            background: var(--success);
            color: white;
            border: none;
            padding: 12px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background: #2f855a;
        }
        .comment-widget {
            max-height: 400px;
            overflow-y: auto;
        }
        .comment {
            padding: 15px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 600;
            color: var(--dark);
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--gray);
            margin-left: 10px;
        }
        .comment-text {
            margin-top: 8px;
            font-size: 0.95rem;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 50px 20px 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
            display: inline-block;
        }
        .footer-about p {
            color: #cbd5e0;
            margin-bottom: 20px;
        }
        .friend-links h4,
        .footer-nav h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .friend-links ul,
        .footer-nav ul {
            list-style: none;
        }
        .friend-links li,
        .footer-nav li {
            margin-bottom: 10px;
        }
        .friend-links a,
        .footer-nav a {
            color: #cbd5e0;
        }
        .friend-links a:hover,
        .footer-nav a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .main-nav.active {
                max-height: 300px;
                padding-top: 20px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                padding: 12px 0;
                border-top: 1px solid #e2e8f0;
            }
            .mobile-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .content-main {
                gap: 25px;
            }
            .article-content {
                padding: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .internal-links ul {
                columns: 1;
            }
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, #e2e8f0, transparent);
            margin: 2.5em 0;
        }