* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: #0f1b2d;
            color: #e0e7ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #6ab0ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #ffcc5c;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2b4d, #0d1525);
            padding: 1rem 0;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff6b6b, #6ab0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
        }
        nav a:hover {
            background: rgba(106, 176, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #6ab0ff;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #a0b8e0;
        }
        .breadcrumb a {
            color: #a0b8e0;
        }
        .breadcrumb a:hover {
            color: #ffcc5c;
        }
        main {
            padding: 2rem 0;
            background: #111f36;
            border-radius: 15px;
            margin-top: 1rem;
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #ffcc5c;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            color: #6ab0ff;
            border-left: 5px solid #ff6b6b;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #a0d8ff;
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
            color: #c0e0ff;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(255, 204, 92, 0.1);
            border-left: 4px solid #ffcc5c;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .interactive-box {
            background: #1a2b4d;
            padding: 2rem;
            border-radius: 12px;
            margin: 2.5rem 0;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
        }
        .interactive-box h3 {
            margin-top: 0;
            color: #ffcc5c;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
        }
        input, textarea, select {
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #3a4f7a;
            background: #0f1b2d;
            color: #e0e7ff;
            font-size: 1rem;
        }
        button {
            padding: 1rem 2rem;
            background: linear-gradient(to right, #ff6b6b, #6ab0ff);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 107, 107, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars i {
            color: #ffcc5c;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars i:hover {
            color: #ff9900;
        }
        .internal-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
            margin: 3rem 0;
        }
        .internal-links a {
            display: block;
            padding: 1rem;
            background: #1a2b4d;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            border: 2px solid transparent;
        }
        .internal-links a:hover {
            border-color: #6ab0ff;
            background: #22345a;
        }
        footer {
            background: #0d1525;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 3px solid #6ab0ff;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #ffcc5c;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #a0b8e0;
        }
        friend-link a {
            color: #a0b8e0;
        }
        friend-link a:hover {
            color: #ffcc5c;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3a5a;
            color: #8899bb;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav { width: 100%; order: 3; margin-top: 1rem; }
            nav ul {
                flex-direction: column;
                display: none;
                background: #1a2b4d;
                padding: 1rem;
                border-radius: 10px;
            }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            article { padding: 0 1rem; }
            .internal-links { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .interactive-box { padding: 1.5rem; }
            .footer-content { flex-direction: column; }
        }