* { 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: #333;
            background-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-weight: 800; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 4px solid #e53e3e; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #2d3748; border-left: 5px solid #4299e1; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #4a5568; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #718096; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #2b6cb0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e53e3e; }
        strong { color: #2d3748; font-weight: 700; }
        em { font-style: italic; color: #4a5568; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .content-main { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffd700, #e53e3e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (min-width: 769px) {
            .nav-mobile, .hamburger { display: none; }
        }
        .nav-desktop a, .nav-mobile a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover, .nav-mobile a:hover {
            background-color: #4a5568;
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            display: none;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-desktop { display: none; }
            .nav-mobile {
                display: none;
                flex-direction: column;
                background-color: #2d3748;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .nav-mobile.active { display: flex; }
            .nav-mobile a { margin-bottom: 10px; }
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #edf2f7;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb span { color: #718096; }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .intro-box {
            background: linear-gradient(to right, #ebf8ff, #fed7d7);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
            border-left: 6px solid #e53e3e;
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
        }
        .widget:last-child { border-bottom: none; }
        .widget h3 { font-size: 1.4rem; margin-top: 0; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group { display: flex; flex-direction: column; }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #e53e3e, #dd6b20);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #c53030, #c05621);
            transform: scale(1.02);
        }
        .stars { display: flex; gap: 10px; font-size: 1.8rem; color: #cbd5e0; cursor: pointer; }
        .stars .active { color: #f6ad55; }
        .comment-list { margin-top: 30px; }
        .comment-item {
            background-color: #f7fafc;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            border-left: 4px solid #4299e1;
        }
        .comment-meta { display: flex; justify-content: space-between; color: #718096; font-size: 0.9rem; margin-bottom: 10px; }
        .article-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            max-width: 800px;
        }
        .article-img img { width: 100%; transition: transform 0.5s ease; }
        .article-img:hover img { transform: scale(1.03); }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            padding: 10px;
            background-color: #f8f9fa;
        }
        .related-links {
            background-color: #ebf8ff;
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .related-links ul { list-style: none; padding-left: 20px; }
        .related-links li { margin-bottom: 10px; position: relative; }
        .related-links li:before {
            content: '🏈';
            position: absolute;
            left: -20px;
        }
        .link-inline {
            background-color: #fefcbf;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .site-footer {
            background-color: #1a202c;
            color: #cbd5e0;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 { color: #e2e8f0; border-left-color: #e53e3e; font-size: 1.3rem; }
        friend-link {
            display: block;
            background-color: #2d3748;
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        friend-link:hover { background-color: #4a5568; transform: translateX(5px); }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mt-4 { margin-top: 2rem; }
        .mb-4 { margin-bottom: 2rem; }
        .updated-time { font-style: italic; color: #718096; background-color: #f0fff4; padding: 5px 10px; border-radius: 5px; display: inline-block; }