* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #e0e0e0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 25, 47, 0.95);
            border-bottom: 2px solid #2a4a7a;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff8a00, #ff2070);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 30px;
        }
        .nav-links a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            border-bottom-color: #4da6ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4da6ff;
        }
        .breadcrumb {
            padding: 12px 0;
            font-size: 0.95rem;
            color: #aaa;
            border-bottom: 1px solid #2a4a7a;
        }
        .breadcrumb a {
            color: #80c1ff;
        }
        .search-box {
            margin: 30px auto;
            max-width: 600px;
            background: rgba(255,255,255,0.05);
            border-radius: 50px;
            padding: 5px;
            display: flex;
            border: 1px solid #3a5a8a;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 15px 20px;
            color: #fff;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: linear-gradient(90deg, #00c6ff, #0072ff);
            border: none;
            border-radius: 50px;
            padding: 15px 30px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .search-box button:hover {
            transform: scale(1.05);
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background: rgba(20, 35, 60, 0.7);
            border-radius: 15px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            border: 1px solid #2a4a7a;
        }
        h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 25px;
            line-height: 1.3;
            text-align: center;
            background: linear-gradient(90deg, #ff8a00, #ff2070);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2rem;
            color: #4da6ff;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #3a5a8a;
        }
        h3 {
            font-size: 1.5rem;
            color: #80c1ff;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(77, 166, 255, 0.15);
            border-left: 5px solid #4da6ff;
            padding: 20px;
            border-radius: 0 10px 10px 0;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        .feature-img {
            width: 80%;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #3a5a8a;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .feature-img img {
            transition: transform 0.5s ease;
        }
        .feature-img:hover img {
            transform: scale(1.03);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .tip-card {
            background: rgba(30, 50, 80, 0.6);
            padding: 25px;
            border-radius: 10px;
            border-top: 4px solid #ff8a00;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.4);
        }
        .interactive-section {
            background: rgba(10, 25, 47, 0.8);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            color: #555;
            margin-bottom: 10px;
        }
        .stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffcc00;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            background: rgba(255,255,255,0.08);
            border: 1px solid #3a5a8a;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        textarea:focus, input:focus {
            border-color: #4da6ff;
        }
        .btn {
            background: linear-gradient(90deg, #00c6ff, #0072ff);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
            align-self: flex-start;
        }
        .btn:hover {
            background: linear-gradient(90deg, #0072ff, #00c6ff);
            box-shadow: 0 5px 15px rgba(0,114,255,0.4);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin: 40px 0 30px;
        }
        .web-link {
            background: rgba(30, 50, 80, 0.6);
            padding: 12px 25px;
            border-radius: 50px;
            border: 1px solid #3a5a8a;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(77, 166, 255, 0.2);
            border-color: #4da6ff;
            transform: translateY(-3px);
        }
        footer {
            background: rgba(5, 15, 30, 0.95);
            border-top: 2px solid #2a4a7a;
            padding: 30px 0;
            text-align: center;
            margin-top: 50px;
        }
        .copyright {
            color: #aaa;
            font-size: 0.95rem;
            margin-top: 20px;
        }
        @media (max-width: 992px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 47, 0.98);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
                border-top: 1px solid #2a4a7a;
            }
            .nav-links.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .nav-links li {
                margin: 15px 0;
            }
            .hamburger {
                display: block;
            }
            .feature-img {
                width: 100%;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
            article { padding: 20px; }
            .footer-links { gap: 10px; }
            .web-link { padding: 10px 20px; font-size: 0.9rem; }
        }