* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #f0f0f0;
            background-color: #1a1a2e;
            background-image: linear-gradient(to bottom, #0f3460, #1a1a2e);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4cc9f0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #f72585;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #16213e;
            padding: 1rem 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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Fantasy', Copperplate, Papyrus;
            font-size: 2.5rem;
            font-weight: bold;
            background: linear-gradient(45deg, #f72585, #4cc9f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #4cc9f0;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: #0f3460;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #aaa;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: #4cc9f0;
            text-align: center;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            font-size: 2.2rem;
            margin: 2rem 0 1rem;
            color: #f72585;
            border-left: 5px solid #4cc9f0;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 1.5rem 0 0.8rem;
            color: #9d4edd;
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.2rem 0 0.6rem;
            color: #ff9e00;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(76, 201, 240, 0.1);
            padding: 1rem;
            border-left: 4px solid #f72585;
            margin: 1.5rem 0;
            font-style: italic;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 6px 12px rgba(0,0,0,0.6);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 0.5rem;
        }
        .functional-section {
            background-color: rgba(22, 33, 62, 0.8);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .functional-section h3 {
            color: #4cc9f0;
        }
        form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #4cc9f0;
            border-radius: 5px;
            background-color: #1a1a2e;
            color: #f0f0f0;
            font-size: 1rem;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(45deg, #f72585, #9d4edd);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(247, 37, 133, 0.4);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ff9e00;
        }
        .rating i {
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating i:hover {
            color: #ffcc00;
        }
        footer {
            background-color: #16213e;
            padding: 2rem 0;
            text-align: center;
            margin-top: auto;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0 1rem;
            font-weight: bold;
        }
        .copyright {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #0f3460;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0.5rem;
            }
            nav ul.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            p {
                font-size: 1rem;
            }
            .container {
                padding: 0 15px;
            }
        }
        @media (min-width: 769px) {
            .content-grid {
                display: grid;
                grid-template-columns: 2fr 1fr;
                gap: 2rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #aaa;
            text-align: right;
            margin-top: 2rem;
        }