* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a192f;
            color: #ccd6f6;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #64ffda;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #8892b0;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        header {
            background-color: #112240;
            padding: 1.5rem 0;
            border-bottom: 2px solid #64ffda;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff6b6b, #64ffda);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: #233554;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #64ffda;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #112240;
                padding: 1rem 0;
                border-top: 1px solid #233554;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                text-align: center;
                padding: 0.5rem 0;
            }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #0a192f;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #8892b0;
        }
        .breadcrumb a:hover {
            color: #64ffda;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: #112240;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3.5rem;
            color: #e6f1ff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid #ff6b6b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.5rem;
            color: #a8b2d1;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #233554;
        }
        h3 {
            font-size: 1.8rem;
            color: #ccd6f6;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #8892b0;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #64ffda;
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #0a192f;
            border-radius: 10px;
        }
        .highlight {
            background-color: #233554;
            padding: 1.5rem;
            border-left: 4px solid #ff6b6b;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            border: 2px solid #64ffda;
        }
        .image-caption {
            font-style: italic;
            color: #8892b0;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .link-list {
            background-color: #0a192f;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style: none;
            columns: 2;
        }
        .link-list li {
            margin-bottom: 0.8rem;
        }
        @media (max-width: 768px) {
            .link-list ul {
                columns: 1;
            }
        }
        aside {
            background-color: #112240;
            border-radius: 15px;
            padding: 2rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            color: #64ffda;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #233554;
        }
        .search-box, .comment-form, .rating-form {
            background-color: #0a192f;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
        }
        .search-box input, .comment-form textarea, .comment-form input, .rating-form select {
            width: 100%;
            padding: 12px;
            margin-bottom: 1rem;
            border: 1px solid #233554;
            background-color: #112240;
            color: #ccd6f6;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-box button, .comment-form button, .rating-form button {
            background-color: #64ffda;
            color: #0a192f;
            border: none;
            padding: 12px 25px;
            font-weight: bold;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
            width: 100%;
        }
        .search-box button:hover, .comment-form button:hover, .rating-form button:hover {
            background-color: #52d9b5;
        }
        .stars {
            display: flex;
            justify-content: space-around;
            margin-bottom: 1rem;
            font-size: 2rem;
            color: #ffd700;
        }
        .stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        footer {
            background-color: #020c1b;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 2px solid #64ffda;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #64ffda;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #233554;
            color: #8892b0;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #8892b0;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .bold {
            font-weight: 800;
            color: #e6f1ff;
        }
        .center {
            text-align: center;
        }