* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #e6e6e6;
            line-height: 1.8;
            font-size: 18px;
            overflow-x: hidden;
        }
        a {
            color: #4dccff;
            text-decoration: none;
            transition: color 0.3s, transform 0.3s;
        }
        a:hover {
            color: #00ffea;
            transform: scale(1.05);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(0, 20, 40, 0.95);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 3px solid #00a8ff;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(90deg, #00ffea, #4dccff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 15px rgba(77, 204, 255, 0.5);
        }
        .my-logo:hover {
            animation: logo-glow 1s infinite alternate;
        }
        @keyframes logo-glow {
            from { text-shadow: 0 0 15px rgba(77, 204, 255, 0.5); }
            to { text-shadow: 0 0 25px rgba(0, 255, 234, 0.8); }
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.2rem;
            padding: 10px 20px;
            border-radius: 25px;
            background: rgba(255, 255, 255, 0.1);
        }
        .desktop-nav a:hover {
            background: rgba(0, 168, 255, 0.3);
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: #4dccff;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 15px;
            background: rgba(0, 20, 40, 0.98);
            padding: 20px;
            border-radius: 0 0 15px 15px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 1rem;
            color: #aaa;
        }
        .breadcrumb a::after {
            content: " › ";
            margin: 0 10px;
            color: #4dccff;
        }
        .breadcrumb a:last-child::after {
            content: "";
        }
        main {
            padding: 40px 0;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 20px;
            margin: 20px auto;
            box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);
        }
        article {
            padding: 30px;
        }
        h1 {
            font-size: 3.5rem;
            text-align: center;
            margin-bottom: 30px;
            background: linear-gradient(90deg, #00ffea, #ff6b9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        h2 {
            font-size: 2.5rem;
            margin: 40px 0 20px;
            color: #4dccff;
            border-left: 6px solid #00ffea;
            padding-left: 15px;
        }
        h3 {
            font-size: 2rem;
            margin: 30px 0 15px;
            color: #ffcc00;
        }
        h4 {
            font-size: 1.5rem;
            margin: 20px 0 10px;
            color: #ff6b9d;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            padding: 0 10px;
        }
        .highlight {
            background: rgba(0, 168, 255, 0.15);
            padding: 20px;
            border-radius: 15px;
            border-left: 5px solid #00ffea;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.5em;
            margin-right: 10px;
        }
        .function-section {
            background: rgba(0, 40, 80, 0.5);
            padding: 30px;
            border-radius: 20px;
            margin: 40px 0;
            border: 2px solid #00a8ff;
        }
        .function-section h2 {
            border-left: none;
            text-align: center;
        }
        form {
            display: grid;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            border-radius: 10px;
            border: 2px solid #4dccff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        button {
            padding: 15px 30px;
            background: linear-gradient(90deg, #00a8ff, #00ffea);
            border: none;
            border-radius: 10px;
            color: #000;
            font-weight: bold;
            font-size: 1.2rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 168, 255, 0.5);
        }
        .rating {
            display: flex;
            gap: 10px;
            justify-content: center;
            font-size: 2rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background: rgba(0, 10, 20, 0.95);
            padding: 40px 0;
            text-align: center;
            border-top: 3px solid #00ffea;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 168, 255, 0.2);
            transform: translateY(-5px);
        }
        .copyright {
            margin-top: 30px;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.7rem; }
            .header-content { flex-wrap: wrap; }
            .container { padding: 0 15px; }
            article { padding: 20px; }
        }
        @media (min-width: 769px) {
            .mobile-nav { display: none !important; }
        }
        .text-center { text-align: center; }
        .bold { font-weight: bold; color: #ffcc00; }
        .last-updated {
            font-size: 0.9rem;
            color: #aaa;
            text-align: right;
            padding: 10px;
            border-top: 1px dashed #4dccff;
            margin-top: 30px;
        }