* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #e0e0e0;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 25, 47, 0.95);
            border-bottom: 3px solid #f9a825;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f9a825;
            text-decoration: none;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            font-family: 'Arial Black', sans-serif;
            letter-spacing: 1px;
            background: linear-gradient(45deg, #f9a825, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .search-box {
            display: flex;
            flex: 0 1 400px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #f9a825;
            border-radius: 30px 0 0 30px;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
        }
        .search-box button {
            padding: 0 25px;
            background: #f9a825;
            border: none;
            border-radius: 0 30px 30px 0;
            color: #0c1a2d;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .search-box button:hover {
            background: #ffb300;
            transform: scale(1.05);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: #e0e0e0;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s;
            position: relative;
        }
        nav a:hover {
            color: #f9a825;
            background: rgba(249, 168, 37, 0.1);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #f9a825;
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 30px;
            height: 3px;
            background: #f9a825;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #f9a825;
            text-decoration: none;
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 8px;
        }
        main {
            background: rgba(18, 33, 56, 0.8);
            border-radius: 15px;
            padding: 40px;
            margin: 30px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        h1 {
            font-size: 2.8rem;
            color: #f9a825;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 0 2px 10px rgba(249, 168, 37, 0.3);
            border-bottom: 3px solid #f9a825;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #4fc3f7;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 5px solid #4fc3f7;
        }
        h3 {
            font-size: 1.6rem;
            color: #81c784;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #ffb74d;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            text-align: justify;
            line-height: 1.7;
        }
        .highlight {
            background: rgba(249, 168, 37, 0.1);
            border-left: 4px solid #f9a825;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .content-link {
            color: #4fc3f7;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed #4fc3f7;
            transition: all 0.3s;
        }
        .content-link:hover {
            color: #f9a825;
            border-bottom: 1px solid #f9a825;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 30px auto;
            display: block;
            box-shadow: 0 5px 20px rgba(0,0,0,0.5);
            border: 3px solid #f9a825;
        }
        .interactive-section {
            background: rgba(30, 50, 80, 0.5);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            border: 2px solid rgba(79, 195, 247, 0.3);
        }
        .interactive-section h3 {
            color: #4fc3f7;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-section h3 i {
            font-size: 1.8rem;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0;
        }
        .rating-stars {
            color: #ffb300;
            font-size: 1.5rem;
        }
        form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        input, textarea, select {
            padding: 15px;
            border: 2px solid rgba(79, 195, 247, 0.5);
            border-radius: 10px;
            background: rgba(255,255,255,0.05);
            color: white;
            font-size: 1rem;
            transition: all 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #f9a825;
            box-shadow: 0 0 10px rgba(249, 168, 37, 0.3);
        }
        button[type="submit"] {
            padding: 15px 30px;
            background: linear-gradient(45deg, #f9a825, #ff9800);
            border: none;
            border-radius: 10px;
            color: #0c1a2d;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(249, 168, 37, 0.4);
        }
        footer {
            background: rgba(10, 20, 35, 0.95);
            border-top: 3px solid #f9a825;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #f9a825;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin: 20px 0;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            color: #4fc3f7;
            text-decoration: none;
            padding: 8px 15px;
            background: rgba(79, 195, 247, 0.1);
            border-radius: 20px;
            transition: all 0.3s;
            border: 1px solid rgba(79, 195, 247, 0.3);
        }
        .friend-links a:hover {
            background: rgba(79, 195, 247, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-box {
                width: 100%;
                max-width: 500px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 47, 0.98);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            }
            nav ul.active {
                display: flex;
            }
            .nav-container {
                flex-direction: column;
                align-items: flex-start;
            }
            main {
                padding: 25px;
            }
            .interactive-section {
                padding: 20px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            p {
                font-size: 1.05rem;
            }
            .container {
                padding: 0 15px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, .interactive-section {
            animation: fadeIn 0.8s ease-out;
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #0c1a2d;
        }
        ::-webkit-scrollbar-thumb {
            background: #f9a825;
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ffb300;
        }