* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s;
        }
        a:hover {
            color: #ff6600;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #003366, #0066cc);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: white;
        }
        .logo span {
            color: #ffcc00;
        }
        .logo:hover {
            opacity: 0.9;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .main-nav a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e9ecef;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child):after {
            content: "›";
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #0066cc;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #003366;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 4px solid #ffcc00;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #0066cc;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #ffcc00;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .card {
            background: #f8f9fa;
            padding: 1.8rem;
            border-radius: 10px;
            border: 1px solid #ddd;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .card h3 {
            color: #0066cc;
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
        }
        input, textarea, select {
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: #0066cc;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        button:hover {
            background: #0052a3;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating i {
            color: #ffcc00;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .rating i:hover {
            color: #ff9900;
        }
        .longtail-links {
            background: #e9ecef;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1rem;
            padding: 0.6rem 1.2rem;
            background: white;
            border-radius: 30px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #0066cc;
            color: white;
            transform: scale(1.05);
        }
        .web-link a {
            color: #333;
            font-weight: 600;
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: #003366;
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: auto;
        }
        footer p {
            margin-bottom: 0.5rem;
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-container {
                width: 100%;
                justify-content: space-between;
                margin-top: 1rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #003366;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .web-link {
                display: block;
                margin: 0.8rem 0;
                text-align: center;
            }
        }