* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #1a1a2e;
            color: #e6e6e6;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #4dccbd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff9a3c;
            text-decoration: underline;
        }
        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, #0f3460 0%, #1a1a2e 100%);
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.5rem;
            font-weight: 900;
            color: #ff9a3c;
            text-shadow: 2px 2px 4px #000;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #4dccbd;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff9a3c;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
            background: rgba(255, 154, 60, 0.1);
        }
        nav a:hover {
            background: #ff9a3c;
            color: #1a1a2e;
        }
        .breadcrumb {
            margin-top: 15px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #4dccbd;
        }
        main {
            padding: 40px 0;
            background: #16213e;
            min-height: 100vh;
        }
        article {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            color: #ff9a3c;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 2px 2px 5px #000;
        }
        h2 {
            font-size: 2.5rem;
            color: #4dccbd;
            margin: 40px 0 20px;
            border-left: 5px solid #ff9a3c;
            padding-left: 15px;
        }
        h3 {
            font-size: 2rem;
            color: #e6e6e6;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.6rem;
            color: #ccc;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(255, 154, 60, 0.2);
            border-left: 4px solid #ff9a3c;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.4rem;
            margin-right: 10px;
        }
        .image-container {
            text-align: center;
            margin: 40px 0;
        }
        .image-container img {
            border: 3px solid #4dccbd;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #aaa;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #ff9a3c;
            margin-bottom: 30px;
        }
        .functional-sections {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .functional-box {
            background: rgba(26, 26, 46, 0.8);
            padding: 25px;
            border-radius: 12px;
            border: 2px solid #4dccbd;
        }
        .functional-box h3 {
            color: #ff9a3c;
            margin-top: 0;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            margin: 10px 0 20px;
            border: 1px solid #4dccbd;
            border-radius: 8px;
            background: #1a1a2e;
            color: #e6e6e6;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(90deg, #ff9a3c, #ff6f3c);
            color: #1a1a2e;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(255, 154, 60, 0.4);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .stars i {
            color: #ff9a3c;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .stars i:hover {
            color: #ffd93d;
        }
        footer {
            background: #0f3460;
            padding: 50px 0 30px;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 25px 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #ff9a3c;
            margin: 0 15px;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #4dccbd;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0f3460;
                display: none;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
            }
            nav ul.active {
                display: flex;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.7rem;
            }
            p {
                font-size: 1.1rem;
            }
            .functional-sections {
                grid-template-columns: 1fr;
            }
            .header-top {
                flex-wrap: wrap;
            }
        }
        @media print {
            body {
                background: white;
                color: black;
            }
            header, footer, .functional-sections {
                display: none;
            }
        }