* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #ffcc00;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: color 0.3s;
        }
        .logo a:hover {
            color: #ff9900;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 50px;
            padding: 8px 15px;
            width: 300px;
        }
        .search-box input {
            border: none;
            outline: none;
            flex: 1;
            padding: 8px;
            font-size: 1rem;
        }
        .search-box button {
            background: #ffcc00;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #ff9900;
        }
        .search-box button i {
            color: #1a1a2e;
        }
        nav {
            margin-top: 20px;
            position: relative;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 25px;
            justify-content: center;
        }
        .nav-menu li a {
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
        }
        .nav-menu li a:hover {
            background: #ffcc00;
            color: #1a1a2e;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        .breadcrumb {
            background: #eaeaea;
            padding: 15px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1a1a2e;
            text-decoration: none;
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #ff9900;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #666;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        article {
            background: #fff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid #ffcc00;
            padding-left: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #16213e;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffcc00;
        }
        h3 {
            font-size: 1.5rem;
            color: #1a1a2e;
            margin: 25px 0 10px;
        }
        h4 {
            font-size: 1.2rem;
            color: #333;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background: #fffacd;
            padding: 15px;
            border-left: 4px solid #ffcc00;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 25px 0;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        img:hover {
            transform: scale(1.02);
        }
        .article-image {
            text-align: center;
        }
        .article-image figcaption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
        }
        a.keyword-link {
            color: #ff6600;
            text-decoration: underline;
            font-weight: 600;
            transition: color 0.3s;
        }
        a.keyword-link:hover {
            color: #cc3300;
            text-decoration: none;
        }
        aside {
            background: #fff;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar-section {
            margin-bottom: 30px;
        }
        .sidebar-section h3 {
            font-size: 1.4rem;
            color: #16213e;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #ffcc00;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #ffcc00;
            outline: none;
        }
        button.submit-btn {
            background: linear-gradient(to right, #ffcc00, #ff9900);
            color: #1a1a2e;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            width: 100%;
        }
        button.submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(255, 153, 0, 0.3);
        }
        .rating {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffcc00;
        }
        footer {
            background: #1a1a2e;
            color: #fff;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #ffcc00;
        }
        friend-link {
            display: block;
            margin-top: 15px;
            font-style: italic;
            color: #aaa;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .nav-menu {
                flex-direction: column;
                background: #1a1a2e;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                display: none;
                padding: 20px;
                border-radius: 0 0 12px 12px;
                z-index: 1000;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .search-box {
                width: 250px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-box {
                width: 100%;
                max-width: 300px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            article, aside {
                padding: 20px;
            }
        }