* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #e2e8f0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #93c5fd;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
        }
        header {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid #334155;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a.my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        .logo a:hover { opacity: 0.9; }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
        }
        nav.desktop-nav a:hover {
            background: rgba(51, 65, 85, 0.5);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: #0f172a;
            padding: 2rem;
            transition: right 0.4s ease;
            z-index: 9999;
            border-left: 1px solid #334155;
            overflow-y: auto;
        }
        .mobile-nav.active { right: 0; }
        .mobile-nav ul {
            list-style: none;
            margin-top: 3rem;
        }
        .mobile-nav li { margin-bottom: 1.5rem; }
        .mobile-nav a {
            font-size: 1.2rem;
            display: block;
            padding: 0.8rem;
            border-radius: 0.5rem;
        }
        .mobile-nav a:hover { background: #1e293b; }
        .close-btn {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 2rem;
            cursor: pointer;
            color: #94a3b8;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 9998;
        }
        .overlay.active { display: block; }
        .breadcrumb {
            padding: 1rem 0;
            background: rgba(30, 41, 59, 0.5);
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #cbd5e1; }
        .breadcrumb a:hover { color: #fbbf24; }
        .breadcrumb span { color: #94a3b8; }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 1rem;
            padding: 2.5rem;
            border: 1px solid #475569;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            color: #f8fafc;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: #e2e8f0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #475569;
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 0.8rem;
            color: #cbd5e1;
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.6rem;
            color: #94a3b8;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background: rgba(59, 130, 246, 0.1);
            padding: 1.5rem;
            border-radius: 0.75rem;
            border-left: 5px solid #3b82f6;
            margin-bottom: 2.5rem;
        }
        .feature-img {
            width: 100%;
            border-radius: 1rem;
            margin: 2rem 0;
            border: 2px solid #475569;
            box-shadow: 0 8px 20px rgba(0,0,0,0.4);
        }
        .update-time {
            font-style: italic;
            color: #94a3b8;
            margin-bottom: 2rem;
            text-align: right;
            font-size: 0.9rem;
        }
        aside {
            background: rgba(30, 41, 59, 0.7);
            border-radius: 1rem;
            padding: 2rem;
            border: 1px solid #475569;
            height: fit-content;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: #fbbf24;
        }
        .search-box input {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border-radius: 2rem;
            border: 1px solid #475569;
            background: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s;
        }
        .search-box input:focus {
            border-color: #60a5fa;
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
        }
        .search-box button {
            width: 100%;
            margin-top: 0.8rem;
            padding: 0.8rem;
            border-radius: 2rem;
            border: none;
            background: linear-gradient(90deg, #3b82f6, #6366f1);
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .search-box button:hover {
            transform: translateY(-2px);
            background: linear-gradient(90deg, #2563eb, #4f46e5);
        }
        .rating-form, .comment-form {
            background: rgba(15, 23, 42, 0.5);
            padding: 1.5rem;
            border-radius: 0.75rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #475569;
        }
        .stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars .star.active, .stars .star:hover {
            color: #fbbf24;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border-radius: 0.5rem;
            border: 1px solid #475569;
            background: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            width: 100%;
            padding: 0.9rem;
            border-radius: 0.5rem;
            border: none;
            background: linear-gradient(90deg, #10b981, #34d399);
            color: white;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            background: linear-gradient(90deg, #059669, #10b981);
        }
        footer {
            background: #0f172a;
            border-top: 1px solid #334155;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #fbbf24;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            background: rgba(59, 130, 246, 0.1);
            padding: 1rem;
            border-radius: 0.5rem;
            margin-bottom: 0.8rem;
            border-left: 4px solid #3b82f6;
        }
        friend-link a {
            color: #e2e8f0;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav.desktop-nav { display: none; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            article, aside { padding: 1.5rem; }
            .header-container { padding: 0 15px; }
        }