* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0a0f1c 0%, #1a1f2e 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: 'Titillium Web', 'Segoe UI', sans-serif;
            font-weight: 700;
            color: #4fc3f7;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            background: linear-gradient(90deg, #4fc3f7, #29b6f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            margin-top: 1.5rem;
            border-bottom: 3px solid #1565c0;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: #81d4fa;
            border-left: 5px solid #0288d1;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            color: #b3e5fc;
            margin-top: 2.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #0288d1, transparent);
        }
        h4 {
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
            color: #e1f5fe;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #bb86fc;
            font-weight: 700;
        }
        em {
            color: #ffb74d;
            font-style: italic;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 15, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #1e88e5;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            text-decoration: none;
            background: linear-gradient(90deg, #4fc3f7, #29b6f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            color: #ff9800;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #bbdefb;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-desktop a:hover {
            background: rgba(30, 136, 229, 0.2);
            color: #4fc3f7;
        }
        .nav-desktop a:hover:after {
            content: '▶';
            position: absolute;
            right: -10px;
            color: #ff9800;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #4fc3f7;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            width: 100%;
            flex-direction: column;
            background: rgba(20, 25, 40, 0.98);
            border-radius: 8px;
            margin-top: 1rem;
            padding: 1rem;
            border: 1px solid #1e88e5;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease, padding 0.5s ease;
        }
        .nav-mobile.active {
            display: flex;
            max-height: 500px;
            padding: 1.5rem;
        }
        .nav-mobile a {
            color: #bbdefb;
            text-decoration: none;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(30, 136, 229, 0.3);
            transition: all 0.3s ease;
        }
        .nav-mobile a:hover {
            background: rgba(30, 136, 229, 0.15);
            padding-left: 1.5rem;
            color: #4fc3f7;
        }
        .breadcrumb {
            padding: 1rem 0;
            color: #90a4ae;
            font-size: 0.9rem;
            background: rgba(15, 20, 35, 0.7);
            border-radius: 0 0 8px 8px;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #4fc3f7;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #ffb74d;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content {
            background: rgba(25, 30, 45, 0.8);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(66, 165, 245, 0.2);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .feature-box {
            background: linear-gradient(145deg, #1a237e, #0d47a1);
            border-radius: 10px;
            padding: 1.8rem;
            border-left: 5px solid #ff9800;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        .feature-box h3 {
            color: #ffcc80;
            border: none;
            padding: 0;
            margin-top: 0;
        }
        .feature-box h3:after {
            display: none;
        }
        .search-box {
            background: rgba(30, 40, 60, 0.9);
            border-radius: 10px;
            padding: 1.8rem;
            border: 1px solid #3949ab;
        }
        .search-box h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #80deea;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 1px solid #5c6bc0;
            border-right: none;
            border-radius: 6px 0 0 6px;
            background: rgba(15, 20, 35, 0.8);
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(90deg, #2962ff, #2979ff);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #2979ff, #2962ff);
        }
        .rating-box {
            background: rgba(40, 30, 60, 0.9);
            border-radius: 10px;
            padding: 1.8rem;
            border: 1px solid #7b1fa2;
        }
        .rating-box h3 {
            color: #ce93d8;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
        }
        .stars i {
            color: #ffd54f;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #7b1fa2;
            background: rgba(20, 10, 35, 0.8);
            color: #e0e0e0;
            font-family: inherit;
        }
        .rating-form button {
            background: linear-gradient(90deg, #7b1fa2, #9c27b0);
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .rating-form button:hover {
            background: linear-gradient(90deg, #9c27b0, #7b1fa2);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2.5rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
            border: 2px solid #1565c0;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(0, 100, 255, 0.3);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            background: rgba(20, 25, 40, 0.8);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        th {
            background: linear-gradient(90deg, #1565c0, #0d47a1);
            color: white;
            padding: 1.2rem;
            text-align: left;
            font-weight: 700;
        }
        td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid rgba(100, 150, 255, 0.2);
        }
        tr:hover {
            background: rgba(30, 136, 229, 0.1);
        }
        a.content-link {
            color: #82b1ff;
            text-decoration: none;
            border-bottom: 1px dotted #82b1ff;
            padding-bottom: 2px;
            transition: all 0.3s ease;
        }
        a.content-link:hover {
            color: #bb86fc;
            border-bottom: 2px solid #bb86fc;
            background: rgba(130, 177, 255, 0.1);
            padding: 2px 4px;
            margin: -2px -4px;
            border-radius: 3px;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .update-info {
            background: rgba(30, 60, 90, 0.5);
            border-left: 5px solid #ff9800;
            padding: 1.2rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .update-info i {
            color: #ffb74d;
            font-size: 1.5rem;
        }
        .comments-section {
            background: rgba(25, 30, 45, 0.9);
            border-radius: 12px;
            padding: 2.5rem;
            margin-top: 3rem;
            border: 1px solid rgba(66, 165, 245, 0.3);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 1rem;
            border-radius: 8px;
            border: 1px solid #5c6bc0;
            background: rgba(15, 20, 35, 0.8);
            color: #e0e0e0;
            font-family: inherit;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background: linear-gradient(90deg, #1565c0, #0d47a1);
            color: white;
            border: none;
            padding: 1.2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            align-self: flex-start;
            min-width: 180px;
        }
        .comment-form button:hover {
            background: linear-gradient(90deg, #0d47a1, #1565c0);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(21, 101, 192, 0.4);
        }
        footer {
            background: rgba(10, 15, 28, 0.95);
            border-top: 2px solid #1e88e5;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #4fc3f7;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            border-bottom: 2px solid #1565c0;
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbdefb;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: #4fc3f7;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(30, 40, 60, 0.7);
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border: 1px solid #3949ab;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background: rgba(40, 50, 80, 0.9);
            border-color: #5c6bc0;
            transform: translateX(5px);
        }
        friend-link a {
            color: #82b1ff;
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(100, 150, 255, 0.3);
            color: #90a4ae;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            p {
                font-size: 1rem;
                text-align: left;
            }
            .comments-section,
            .rating-box,
            .search-box {
                padding: 1.5rem;
            }
            .stars {
                font-size: 1.7rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content > * {
            animation: fadeIn 0.6s ease-out forwards;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(21, 101, 192, 0.3), transparent);
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .note {
            background: rgba(255, 193, 7, 0.15);
            border-left: 4px solid #ffb300;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 6px 6px 0;
        }
        .tip {
            background: rgba(76, 175, 80, 0.15);
            border-left: 4px solid #4caf50;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 6px 6px 0;
        }
        .key-findings {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .finding {
            background: rgba(30, 40, 60, 0.7);
            padding: 1.5rem;
            border-radius: 8px;
            border-top: 4px solid #4fc3f7;
            transition: transform 0.3s ease;
        }
        .finding:hover {
            transform: translateY(-5px);
        }
        .finding h4 {
            color: #4fc3f7;
            margin-top: 0;
        }