* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1 { font-size: 2.8rem; margin-bottom: 1.5rem; color: #0a2463; line-height: 1.2; }
        h2 { font-size: 2.2rem; margin: 2.5rem 0 1.2rem; color: #1a5fb4; border-left: 5px solid #ff6b00; padding-left: 1rem; }
        h3 { font-size: 1.8rem; margin: 2rem 0 1rem; color: #2d7dd2; }
        h4 { font-size: 1.4rem; margin: 1.5rem 0 0.8rem; color: #4a9ce6; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            h4 { font-size: 1.2rem; }
            p { font-size: 1rem; }
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0a2463 0%, #1a5fb4 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-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            letter-spacing: -1px;
            text-transform: uppercase;
            background: linear-gradient(to right, #ff6b00, #ffdd00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            transform: scale(1.03);
            transition: transform 0.3s ease;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s;
        }
        .main-nav a:hover {
            color: #ffdd00;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffdd00;
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a5fb4;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav li {
                width: 100%;
                text-align: center;
                padding: 0.8rem 0;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #0a2463;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem auto;
        }
        .article-content {
            padding: 0 2rem;
        }
        @media (max-width: 768px) {
            .article-content { padding: 0 1rem; }
        }
        .feature-img {
            width: 100%;
            margin: 2.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .feature-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .feature-img:hover img {
            transform: scale(1.02);
        }
        .search-box, .comment-form, .rating-form {
            background-color: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border-left: 5px solid #1a5fb4;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 1rem;
            max-width: 600px;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: linear-gradient(to right, #ff6b00, #ff8c42);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #e55a00, #e57a2e);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
        }
        .star-rating {
            direction: rtl;
            display: inline-flex;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 2px;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffdd00;
        }
        .internal-links {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
            border: 1px dashed #ffcc00;
        }
        .internal-links h3 {
            margin-top: 0;
            color: #b8860b;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .internal-links a {
            color: #1a5fb4;
            text-decoration: none;
            padding: 0.3rem 0;
            display: inline-block;
            transition: color 0.3s;
        }
        .internal-links a:hover {
            color: #ff6b00;
            text-decoration: underline;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 0.2em 0.5em;
            border-radius: 4px;
            font-weight: bold;
            color: #b8860b;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .site-footer {
            background-color: #0a2463;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffdd00;
            margin-bottom: 1.5rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.8rem;
        }
        .footer-section a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-section a:hover {
            color: #ffdd00;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: 5px;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #6c757d;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #dee2e6;
        }