* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background-color: #0d1b2a;
            background-image: linear-gradient(180deg, #0d1b2a 0%, #1b263b 100%);
            min-height: 100vh;
        }
        a {
            color: #4cc9f0;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ffba08;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: #ffba08;
            color: #0d1b2a;
            padding: 8px;
            z-index: 1001;
            border-radius: 0 0 4px 0;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background-color: #1b263b;
            border-bottom: 3px solid #415a77;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Fantasy', Copperplate, Papyrus;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(90deg, #ffba08, #f72585, #4cc9f0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .search-form {
            display: flex;
            flex-grow: 0.5;
            max-width: 500px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #415a77;
            border-right: none;
            border-radius: 30px 0 0 30px;
            background-color: #e0e0e0;
            color: #0d1b2a;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            background-color: #ffffff;
            border-color: #4cc9f0;
        }
        .search-button {
            background-color: #415a77;
            color: white;
            border: 2px solid #415a77;
            border-left: none;
            border-radius: 0 30px 30px 0;
            padding: 12px 25px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            font-weight: bold;
        }
        .search-button:hover {
            background-color: #4cc9f0;
            border-color: #4cc9f0;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
        }
        .nav-list li {
            margin-left: 1.8rem;
        }
        .nav-list a {
            color: #e0e0e0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            font-size: 1.05rem;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: -5px;
            left: 0;
            background-color: #ffba08;
            transition: width 0.3s ease;
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            height: 3px;
            width: 25px;
            background: #4cc9f0;
            margin: 4px 0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #1b263b;
            border-bottom: 1px solid #415a77;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb-list li {
            display: inline;
            font-size: 0.9rem;
            color: #a0a0a0;
        }
        .breadcrumb-list li+li::before {
            content: "›";
            margin: 0 10px;
            color: #4cc9f0;
        }
        .breadcrumb-list a {
            color: #e0e0e0;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 900px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: rgba(27, 38, 59, 0.8);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #415a77;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffba08;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0,0,0,0.7);
            border-bottom: 3px solid #f72585;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.1rem;
            color: #4cc9f0;
            margin-top: 3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid #415a77;
        }
        h3 {
            font-size: 1.7rem;
            color: #9d4edd;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #ffba08;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #ffba08;
            font-weight: 700;
        }
        .intro {
            font-size: 1.3rem;
            color: #a0a0a0;
            background: rgba(65, 90, 119, 0.2);
            padding: 20px;
            border-left: 5px solid #f72585;
            border-radius: 0 10px 10px 0;
            margin-bottom: 2.5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #1b3a5c, #2a4d7a);
            border-left: 6px solid #ffba08;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 12px 12px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .image-container {
            margin: 35px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
            border: 2px solid #415a77;
        }
        .image-caption {
            font-style: italic;
            color: #a0a0a0;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .link-list {
            background-color: rgba(27, 38, 59, 0.9);
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list h4 {
            color: #4cc9f0;
        }
        .link-list ul {
            list-style-position: inside;
            columns: 2;
        }
        .link-list li {
            margin-bottom: 8px;
            break-inside: avoid;
        }
        @media (max-width: 600px) {
            .link-list ul {
                columns: 1;
            }
        }
        .sidebar {
            background-color: rgba(27, 38, 59, 0.8);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid #415a77;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #ffba08;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #415a77;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background-color: #1b263b;
            border-radius: 8px;
            border-left: 4px solid #4cc9f0;
            transition: all 0.3s ease;
        }
        .related-links a:hover {
            background-color: #2a3c5a;
            border-left-color: #ffba08;
            transform: translateX(5px);
        }
        .user-interaction {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px dashed #415a77;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        .comment-box, .rating-box {
            background-color: rgba(27, 38, 59, 0.9);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #415a77;
        }
        .comment-box h3, .rating-box h3 {
            color: #4cc9f0;
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #e0e0e0;
            font-weight: 600;
        }
        textarea, input[type="text"], input[type="email"], select {
            width: 100%;
            padding: 15px;
            background-color: #0d1b2a;
            border: 2px solid #415a77;
            border-radius: 8px;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        textarea:focus, input:focus, select:focus {
            outline: none;
            border-color: #4cc9f0;
            box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffba08;
        }
        .submit-button {
            background: linear-gradient(90deg, #415a77, #4cc9f0);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            width: 100%;
            transition: all 0.3s ease;
        }
        .submit-button:hover {
            background: linear-gradient(90deg, #4cc9f0, #415a77);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(76, 201, 240, 0.3);
        }
        .site-footer {
            background-color: #1b263b;
            border-top: 3px solid #415a77;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffba08;
            margin-bottom: 15px;
        }
        .footer-description {
            color: #a0a0a0;
        }
        .footer-links h4, .footer-contact h4 {
            color: #4cc9f0;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: inline-block;
            background-color: #2a3c5a;
            padding: 8px 15px;
            margin: 5px;
            border-radius: 5px;
            border: 1px solid #415a77;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #415a77;
            color: #a0a0a0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1b263b;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.3);
                border-top: 2px solid #415a77;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li {
                margin: 10px 0;
                margin-left: 0;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 15px;
                width: 100%;
                max-width: 100%;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 25px;
            }
            .main-content {
                gap: 25px;
            }
        }