*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #005bb5;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e67e22;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: #0b1a2b;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
            border-bottom: 4px solid #f0c040;
            display: inline-block;
            padding-bottom: 0.2em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #1e3a6e;
            padding-left: 0.7em;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a6e;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4a7a;
        }
        p {
            margin-bottom: 1.2em;
        }
        ul,
        ol {
            margin: 0.8em 0 1.2em 2em;
        }
        li {
            margin-bottom: 0.4em;
        }
        strong {
            color: #0b1a2b;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2b 0%, #1e3a6e 100%);
            color: #fff;
            padding: 0 0 6px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f0c040, #f7e08a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(240, 192, 64, 0.25);
            display: inline-block;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.8rem;
            -webkit-text-fill-color: #b0ccee;
            color: #b0ccee;
            display: block;
            font-weight: 400;
            letter-spacing: 0.5px;
        }
        .hamburger {
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            display: none;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8edf5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
        }
        .main-nav a:hover {
            color: #f0c040;
            border-bottom-color: #f0c040;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 20px;
            font-size: 0.85rem;
            color: #b0ccee;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #b0ccee;
        }
        .breadcrumb a:hover {
            color: #f0c040;
        }
        .breadcrumb .sep {
            color: #5a7a9a;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #f0c040;
        }
        .hero {
            background: linear-gradient(135deg, #0b1a2b 0%, #1e3a6e 70%, #2a4a7a 100%);
            color: #fff;
            padding: 40px 20px 50px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 30px;
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #f0c040;
            font-size: 2.6rem;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 800px;
            margin: 0 auto 10px;
            color: #d0dff0;
        }
        .hero .badge {
            display: inline-block;
            background: #f0c040;
            color: #0b1a2b;
            padding: 6px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 12px;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 30px;
            border: 1px solid #e8edf5;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 720px;
            margin: 0 auto;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce3ed;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
        }
        .search-form input[type="text"]:focus {
            border-color: #1e3a6e;
        }
        .search-form button {
            background: #1e3a6e;
            color: #fff;
            border: none;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #0b1a2b;
            transform: translateY(-2px);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            margin: 30px 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 32px 34px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf5;
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf5;
            align-self: start;
            position: sticky;
            top: 110px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 3px solid #f0c040;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            margin: 12px 0 0 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f2f6;
        }
        .sidebar ul li a {
            font-weight: 500;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            background: #f0f2f6;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #4a5a6a;
            background: #f8faff;
            border-top: 1px solid #e8edf5;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table thead {
            background: #1e3a6e;
            color: #fff;
        }
        .data-table th,
        .data-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #e8edf5;
        }
        .data-table tbody tr:hover {
            background: #f8faff;
        }
        .data-table tbody tr:nth-child(even) {
            background: #fafcff;
        }
        .interaction-section {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 2px solid #e8edf5;
        }
        .interaction-section h3 {
            margin-top: 0;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 600px;
            margin: 16px 0 24px;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            padding: 12px 16px;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s ease;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus,
        .rating-form input:focus {
            border-color: #1e3a6e;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-submit {
            background: #1e3a6e;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #0b1a2b;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #dce3ed;
            cursor: pointer;
        }
        .rating-stars .star.active {
            color: #f0c040;
        }
        .rating-stars .star:hover,
        .rating-stars .star.hover {
            color: #f7d95a;
        }
        .site-footer {
            background: #0b1a2b;
            color: #b0ccee;
            padding: 40px 20px 20px;
            margin-top: 50px;
            border-radius: 40px 40px 0 0;
        }
        .site-footer a {
            color: #b0ccee;
        }
        .site-footer a:hover {
            color: #f0c040;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid h4 {
            color: #f0c040;
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #1e3a6e;
            padding-bottom: 6px;
        }
        .footer-grid ul {
            list-style: none;
            margin: 8px 0 0 0;
        }
        .footer-grid ul li {
            padding: 4px 0;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid #1e3a6e;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            padding: 16px 0 6px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #5a7a9a;
            font-size: 0.9rem;
            margin: 8px 0 16px;
            padding: 6px 14px;
            background: #f8faff;
            border-radius: 30px;
            width: fit-content;
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 16px 0 8px;
                gap: 4px;
                background: rgba(11, 26, 43, 0.95);
                border-radius: 0 0 16px 16px;
            }
            .main-nav a {
                padding: 10px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                width: 100%;
            }
            .nav-toggle:checked~.main-nav {
                display: flex;
            }
            .header-top {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .main-content {
                padding: 20px 18px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .hero {
                padding: 28px 16px 36px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 6px 16px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .main-content {
                padding: 16px 14px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .data-table {
                font-size: 0.7rem;
            }
            .data-table th,
            .data-table td {
                padding: 6px 6px;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        .schema-hidden {
            display: none;
        }