* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #d32f2f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 4px; border-radius: 3px; }
        .emoji { font-size: 1.2em; }
        header {
            background: linear-gradient(135deg, #0a2e5c 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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #ffcc00; }
        .my-logo:hover { color: #ffcc00; text-decoration: none; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            border-radius: 5px;
            margin: 1rem auto;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #d32f2f; }
        .search-container {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem auto;
            text-align: center;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: #1a5fb4;
        }
        .search-box button {
            background: #d32f2f;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #b71c1c;
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-top: 1rem;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #0a2e5c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #1a5fb4;
            margin: 2.5rem 0 1rem;
            padding-bottom: 10px;
            border-bottom: 1px dashed #ccc;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            background-color: #f0f8ff;
            padding: 1.5rem;
            border-left: 5px solid #1a5fb4;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .feature-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-block {
            margin-bottom: 3rem;
        }
        .stats-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #d32f2f;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-size: 1.2rem;
            color: #555;
            border-left: 4px solid #ffcc00;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-card {
            background: white;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-color: #1a5fb4;
        }
        .interactive-section {
            background: #f9f9f9;
            padding: 2rem;
            border-radius: 10px;
            border: 2px solid #e0e0e0;
            margin: 3rem 0;
        }
        .rating-container, .comment-container {
            margin-top: 2rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        button.submit-btn {
            background: #1a5fb4;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        button.submit-btn:hover {
            background: #0a2e5c;
        }
        .update-time {
            background: #e8f5e9;
            color: #2e7d32;
            padding: 10px 15px;
            border-radius: 5px;
            display: inline-block;
            margin: 1rem 0;
            font-weight: 600;
        }
        footer {
            background: #0a2e5c;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            color: #ffcc00;
            margin-bottom: 1rem;
        }
        .friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: #ffcc00;
            padding: 8px 15px;
            border-radius: 5px;
            margin: 5px;
            border: 1px solid transparent;
            transition: all 0.3s;
        }
        .friend-link:hover {
            background: rgba(255,255,255,0.2);
            border-color: #ffcc00;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-direction: column; gap: 1rem; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0a2e5c;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            nav ul.active { display: flex; }
            .feature-img { width: 95%; }
            article { padding: 0 1rem; }
            .link-list { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.9rem; }
            .search-box { flex-direction: column; }
            .search-box input { border-radius: 8px; margin-bottom: 10px; }
            .search-box button { border-radius: 8px; padding: 15px; }
        }