* {
            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;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-bottom: 2px solid #334155;
            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;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #60a5fa, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.5rem;
            color: #38bdf8;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-desktop a:hover {
            background-color: rgba(56, 189, 248, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e2e8f0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid #334155;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #1e293b;
            padding: 15px 20px;
            border-radius: 0 0 8px 8px;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: #64748b;
        }
        .hero-section {
            text-align: center;
            padding: 60px 20px;
            background: radial-gradient(circle at 50% 50%, #1e3a8a, #0f172a);
            border-radius: 12px;
            margin-bottom: 40px;
            border: 1px solid #334155;
        }
        h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #60a5fa, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
        }
        .hero-tagline {
            font-size: 1.3rem;
            color: #cbd5e1;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background-color: #1e293b;
            padding: 40px;
            border-radius: 12px;
            border: 1px solid #334155;
        }
        .sidebar {
            background-color: #1e293b;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #334155;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h2 {
            font-size: 2.5rem;
            color: #38bdf8;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #334155;
        }
        h2:first-of-type {
            margin-top: 0;
        }
        h3 {
            font-size: 1.8rem;
            color: #60a5fa;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #7dd3fc;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background-color: rgba(56, 189, 248, 0.1);
            border-left: 4px solid #38bdf8;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight strong {
            color: #38bdf8;
        }
        .text-center {
            text-align: center;
        }
        .article-image {
            margin: 30px auto;
            max-width: 800px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        }
        .article-image figcaption {
            text-align: center;
            font-style: italic;
            color: #94a3b8;
            margin-top: 10px;
        }
        .interactive-module {
            background: linear-gradient(145deg, #1e3a8a, #1e293b);
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
            border: 1px solid #475569;
        }
        .module-title {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #7dd3fc;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i {
            color: #38bdf8;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #cbd5e1;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            background-color: #0f172a;
            border: 1px solid #475569;
            border-radius: 6px;
            color: #e2e8f0;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #38bdf8;
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover, .star:hover ~ .star {
            color: #fbbf24;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #3b82f6, #38bdf8);
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
            background: linear-gradient(90deg, #2563eb, #0ea5e9);
        }
        .internal-links {
            background-color: rgba(30, 58, 138, 0.2);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .internal-links h3 {
            margin-top: 0;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .links-grid a {
            display: block;
            padding: 12px;
            background-color: #1e293b;
            border-radius: 6px;
            border: 1px solid #334155;
            transition: all 0.3s;
        }
        .links-grid a:hover {
            background-color: #334155;
            border-color: #60a5fa;
            transform: translateX(5px);
        }
        .sidebar-widget {
            margin-bottom: 30px;
            padding-bottom: 25px;
            border-bottom: 1px solid #334155;
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #38bdf8;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .update-time {
            background-color: rgba(34, 197, 94, 0.1);
            color: #22c55e;
            padding: 15px;
            border-radius: 8px;
            font-weight: 600;
            text-align: center;
            border: 1px solid #22c55e;
        }
        .site-footer {
            background-color: #0f172a;
            border-top: 2px solid #334155;
            margin-top: 80px;
            padding: 50px 0 30px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, #60a5fa, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #7dd3fc;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: inline-block;
            background-color: #1e293b;
            padding: 8px 15px;
            border-radius: 6px;
            margin: 5px;
            border: 1px solid #475569;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: #334155;
            border-color: #60a5fa;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container, .main-content, .sidebar, .interactive-module {
                padding: 20px;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .links-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .main-content > * {
            animation: fadeIn 0.5s ease forwards;
        }