* { 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: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #e0e7ff;
            min-height: 100vh;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #74c0fc; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .header-container {
            background: rgba(12, 26, 45, 0.95);
            border-bottom: 2px solid #1e90ff;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #1e90ff, #00d4ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background: rgba(30, 144, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #1e90ff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #0c1a2d;
            width: 100%;
            padding: 1rem 0;
            border-top: 1px solid #1a3a5f;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 1rem 2rem;
            border-bottom: 1px solid #1a3a5f;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: rgba(26, 58, 95, 0.6);
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #a5d8ff; }
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 768px) {
            .main-container { grid-template-columns: 1fr; }
        }
        article {
            background: rgba(18, 35, 55, 0.8);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #00d4ff;
            line-height: 1.2;
            border-bottom: 3px solid #1e90ff;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #2a4a6e;
        }
        h3 {
            font-size: 1.5rem;
            color: #74c0fc;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(30, 144, 255, 0.15);
            border-left: 4px solid #1e90ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background: linear-gradient(145deg, #1e3a5f, #0f2a4a);
            border: 1px solid #00d4ff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0, 212, 255, 0.2);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .hero-card {
            background: #1a3a5f;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #2a4a6e;
        }
        .hero-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(30, 144, 255, 0.3);
        }
        aside {
            background: rgba(18, 35, 55, 0.8);
            border-radius: 15px;
            padding: 2rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            color: #00d4ff;
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
        }
        .search-box input {
            width: 100%;
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #2a4a6e;
            background: #0c1a2d;
            color: #e0e7ff;
            margin-bottom: 1rem;
        }
        .search-box button {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(90deg, #1e90ff, #00d4ff);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-box button:hover { opacity: 0.9; }
        .rating-form, .comment-form {
            background: #1a3a5f;
            padding: 1.5rem;
            border-radius: 10px;
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover { color: #ffd700; }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin: 0.8rem 0;
            border-radius: 8px;
            border: 1px solid #2a4a6e;
            background: #0c1a2d;
            color: #e0e7ff;
        }
        .submit-btn {
            background: linear-gradient(90deg, #ff6b6b, #ff8e53);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .submit-btn:hover { transform: scale(1.05); }
        .footer-links {
            max-width: 1200px;
            margin: 3rem auto 0;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(26, 58, 95, 0.7);
            padding: 1.2rem;
            border-radius: 8px;
            text-align: center;
            transition: background 0.3s;
        }
        .web-link:hover { background: rgba(30, 144, 255, 0.3); }
        footer {
            background: #0c1a2d;
            text-align: center;
            padding: 2.5rem;
            margin-top: 3rem;
            border-top: 2px solid #1a3a5f;
        }
        .copyright {
            color: #a5d8ff;
            font-size: 0.9rem;
            margin-top: 1.5rem;
        }
        @media (max-width: 992px) {
            .header-container { padding: 1rem; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            .main-container { padding: 1rem; }
            article, aside { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            .footer-links { grid-template-columns: 1fr; }
        }