* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            font-size: 1.1rem;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #93c5fd;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .hidden { display: none !important; }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            font-size: 2.5rem;
            color: #60a5fa;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
            background-color: #1e293b;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-links a:hover {
            background-color: rgba(96, 165, 250, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #e2e8f0;
            cursor: pointer;
        }
        .hero {
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            padding: 4rem 0;
            text-align: center;
            border-bottom: 3px solid #475569;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            background-color: #1e293b;
            color: #f1f5f9;
        }
        .search-button {
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #2563eb, #7c3aed);
        }
        main {
            flex: 1;
            padding: 3rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
        }
        h1, h2, h3, h4 {
            color: #f8fafc;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            border-bottom: 3px solid #475569;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.4rem;
            color: #93c5fd;
            border-left: 5px solid #3b82f6;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #c4b5fd;
        }
        h4 {
            font-size: 1.4rem;
            color: #ddd6fe;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #fbbf24;
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(135deg, #1e3a8a, #3730a3);
            border-left: 5px solid #f59e0b;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        aside {
            background-color: #1e293b;
            border-radius: 12px;
            padding: 2rem;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            color: #60a5fa;
            padding-bottom: 8px;
            border-bottom: 2px solid #334155;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 1.8rem;
            margin: 10px 0;
            color: #fbbf24;
            cursor: pointer;
        }
        .star:hover,
        .star.active {
            color: #f59e0b;
            transform: scale(1.2);
        }
        textarea, select, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
        }
        button[type="submit"] {
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        button[type="submit"]:hover {
            background: linear-gradient(90deg, #059669, #047857);
        }
        footer {
            background-color: #0f172a;
            border-top: 2px solid #334155;
            padding: 3rem 0 2rem;
            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: #60a5fa;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .update-time {
            color: #fbbf24;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1e293b;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
                border-top: 1px solid #334155;
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                text-align: center;
                margin: 0.5rem 0;
            }
            article {
                padding: 1.5rem;
            }
        }