* { 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: linear-gradient(135deg, #0a1931 0%, #1a1a2e 50%, #16213e 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        a { color: #4fc3f7; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #29b6f6; text-shadow: 0 0 8px rgba(41, 182, 246, 0.5); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: rgba(10, 25, 49, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #0d47a1;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Papyrus', fantasy, sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(to right, #ffb74d, #ff9800, #f57c00);
            -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(1.02); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #bbdefb;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(33, 150, 243, 0.15);
            color: #29b6f6;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #bbdefb;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background: rgba(13, 71, 161, 0.2);
            padding: 12px 20px;
            margin-top: 5px;
            border-radius: 0 0 8px 8px;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #90caf9; }
        .breadcrumb span { color: #bdbdbd; margin: 0 8px; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 35px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: rgba(26, 35, 56, 0.8);
            border-radius: 12px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #37474f;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #546e7a;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        .last-updated { font-style: italic; }
        .last-updated i { margin-right: 5px; color: #ffb74d; }
        h1 {
            font-size: 2.8rem;
            color: #ffcc80;
            margin-bottom: 25px;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0,0,0,0.7);
            border-left: 5px solid #ff9800;
            padding-left: 15px;
        }
        h2 {
            font-size: 2rem;
            color: #81d4fa;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #0288d1;
        }
        h3 {
            font-size: 1.6rem;
            color: #a5d6a7;
            margin: 28px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #ce93d8;
            margin: 22px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #e6ee9c;
            background: rgba(255, 193, 7, 0.1);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #ffeb3b;
            margin-bottom: 30px;
        }
        .highlight-box {
            background: rgba(41, 98, 158, 0.25);
            border: 1px solid #29629e;
            border-radius: 10px;
            padding: 22px;
            margin: 25px 0;
        }
        .highlight-box strong { color: #ffab91; }
        .interactive-image {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #455a64;
            box-shadow: 0 8px 20px rgba(0,0,0,0.5);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
            max-width: 800px;
        }
        .interactive-image:hover {
            transform: scale(1.015);
            box-shadow: 0 12px 25px rgba(0,0,0,0.7);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #bdbdbd;
            padding: 10px;
            background: rgba(55, 71, 79, 0.6);
            font-size: 0.95rem;
        }
        emoji { font-size: 1.3rem; margin-right: 8px; }
        .keyword { font-weight: bold; color: #ffcc80; }
        .tip {
            background: rgba(76, 175, 80, 0.15);
            border-left: 4px solid #4caf50;
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background: rgba(244, 67, 54, 0.15);
            border-left: 4px solid #f44336;
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background: rgba(30, 40, 60, 0.9);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid #455a64;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #80deea;
            border-bottom: 1px solid #00838f;
            padding-bottom: 10px;
            margin-bottom: 18px;
        }
        .search-form { display: flex; }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 1px solid #546e7a;
            border-radius: 6px 0 0 6px;
            background: #263238;
            color: #fff;
            font-size: 1rem;
        }
        .search-button {
            background: #0288d1;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-button:hover { background: #0277bd; }
        .quick-links ul {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .quick-links li:before {
            content: '🏴‍☠️';
            position: absolute;
            left: 0;
            top: 2px;
        }
        .quick-links a {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed #546e7a;
        }
        .quick-links a:hover {
            border-bottom-color: #4fc3f7;
            padding-left: 5px;
        }
        .user-feedback {
            background: rgba(38, 50, 56, 0.9);
            border-radius: 12px;
            padding: 30px;
            margin-top: 40px;
            border: 1px solid #607d8b;
        }
        .user-feedback h2 { text-align: center; }
        .feedback-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }
        .feedback-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #b0bec5;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid #546e7a;
            border-radius: 6px;
            background: #37474f;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #4fc3f7;
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(to right, #00c853, #64dd17);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 200, 83, 0.4);
        }
        .star-rating {
            direction: rtl;
            display: inline-flex;
            font-size: 2rem;
            cursor: pointer;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #555;
            transition: color 0.2s;
            padding: 0 5px;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffb300; }
        .site-footer {
            background: #0a1931;
            border-top: 2px solid #0d47a1;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 35px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #4fc3f7;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li { margin-bottom: 12px; }
        .friend-links-section {
            grid-column: 1 / -1;
            text-align: center;
            padding: 20px;
            background: rgba(13, 71, 161, 0.3);
            border-radius: 10px;
        }
        friend-link {
            display: inline-block;
            margin: 0 15px;
            font-weight: bold;
            color: #ffcc80;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #37474f;
            color: #90a4ae;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 80px);
                background: rgba(10, 25, 49, 0.98);
                backdrop-filter: blur(15px);
                transition: left 0.4s ease;
                padding: 30px 20px;
                overflow-y: auto;
                border-right: 2px solid #0d47a1;
            }
            .main-nav.active { left: 0; }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .main-nav a {
                display: block;
                padding: 15px;
                border-radius: 6px;
                border-left: 3px solid transparent;
            }
            .main-nav a.active { border-left-color: #ff9800; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .article-content { padding: 25px 20px; }
            .sidebar-widget { padding: 20px; }
            .feedback-grid { grid-template-columns: 1fr; }
        }