* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #0a58ca;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #084298;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            background: linear-gradient(90deg, #ffd700, #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo span {
            color: #ffd700;
            -webkit-text-fill-color: #ffd700;
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #e9ecef;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #2a5298;
            padding: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 12px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #0a58ca;
        }
        .breadcrumb span {
            color: #495057;
            margin: 0 5px;
        }
        main {
            padding: 30px 0;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            margin-top: 20px;
            margin-bottom: 30px;
        }
        article {
            padding: 0 30px;
        }
        @media (max-width: 768px) {
            article {
                padding: 0 15px;
            }
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 10px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 8px;
            border-bottom: 1px solid #dee2e6;
        }
        h3 {
            font-size: 1.5rem;
            color: #495057;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #6c757d;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #495057;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 4px 4px 0;
        }
        .info-box {
            background-color: #d1ecf1;
            border-left: 4px solid #0dcaf0;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 4px 4px 0;
        }
        .feature-img {
            width: 100%;
            margin: 30px 0;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 8px;
            font-size: 0.95rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #1e3c72;
            margin-bottom: 15px;
        }
        .stat-card h4 {
            color: #2a5298;
            margin-top: 0;
        }
        .interactive-module {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #dee2e6;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1e3c72;
            margin-bottom: 20px;
        }
        .module-title i {
            font-size: 1.5rem;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 15px;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            flex-grow: 1;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            min-width: 200px;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
            width: 100%;
        }
        .btn {
            background-color: #1e3c72;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .btn:hover {
            background-color: #153060;
            text-decoration: none;
        }
        .btn-search {
            background-color: #198754;
        }
        .btn-search:hover {
            background-color: #146c43;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star-rating i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating i:hover {
            color: #ffd700;
        }
        footer {
            background-color: #1a1a1a;
            color: #adb5bd;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #f8f9fa;
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 1px solid #495057;
            padding-bottom: 10px;
        }
        .footer-links a {
            display: block;
            color: #adb5bd;
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: inline-block;
            background: #2d3748;
            color: #e2e8f0;
            padding: 8px 15px;
            margin: 5px;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #90cdf4;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        .update-time {
            color: #ffd700;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .search-box, .comment-form, .rating-form {
                flex-direction: column;
            }
            .search-box input, .comment-form input, .rating-form select {
                width: 100%;
            }
        }