*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1a2634;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #004e89;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            border-radius: 24px;
            padding: 20px 28px 40px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #004e89, #1a6baf);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.85rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6b7a;
            color: #5a6b7a;
            display: block;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            -webkit-text-fill-color: transparent;
            background: inherit;
            -webkit-background-clip: text;
            background-clip: text;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 8px;
            border-bottom: 2px solid #eef2f7;
            margin-bottom: 12px;
            position: relative;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            list-style: none;
            align-items: center;
            transition: all 0.3s ease;
        }
        .nav-links li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-links li a:hover {
            border-bottom-color: #ff6b35;
            color: #ff6b35;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #004e89;
            background: none;
            border: none;
            padding: 4px 8px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #eef2f7;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            font-size: 0.85rem;
            color: #5a6b7a;
            padding: 8px 0 18px;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 14px;
            color: #b0c0d0;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #004e89;
            font-weight: 500;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .search-box {
            display: flex;
            max-width: 400px;
            margin: 20px 0 28px;
            border-radius: 60px;
            overflow: hidden;
            border: 1.5px solid #dce2ec;
            background: #fff;
            transition: 0.25s;
        }
        .search-box:focus-within {
            border-color: #004e89;
            box-shadow: 0 0 0 4px rgba(0, 78, 137, 0.08);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #004e89;
            color: #fff;
            border: none;
            padding: 0 22px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-box button:hover {
            background: #ff6b35;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 12px;
            color: #0b1e2e;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 6px;
            border-bottom: 3px solid #eef2f7;
            color: #0b1e2e;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: #1a3a4e;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 18px 0 8px;
            color: #2c4a62;
        }
        p {
            margin-bottom: 16px;
            color: #2a3b4c;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #3d556a;
            line-height: 1.8;
        }
        .badge {
            display: inline-block;
            background: #ff6b35;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 14px;
            border-radius: 40px;
            letter-spacing: 0.5px;
        }
        .updated {
            font-size: 0.9rem;
            color: #6b7f93;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .updated i {
            color: #ff6b35;
        }
        .featured-image {
            margin: 24px 0 28px;
            border-radius: 16px;
            background: #f0f4fa;
            padding: 8px;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #5a6b7a;
            padding: 8px 4px 0;
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #004e89;
            color: #fff;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef2f7;
            background: #fff;
        }
        .data-table tr:hover td {
            background: #f8faff;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .card {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px 22px;
            border: 1px solid #e6ecf4;
            transition: 0.25s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
            border-color: #b8d0e8;
        }
        .card i {
            font-size: 1.8rem;
            color: #ff6b35;
            margin-bottom: 10px;
        }
        .card h4 {
            margin-top: 0;
        }
        .comment-section,
        .rating-section {
            background: #f8faff;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 32px 0 24px;
            border: 1px solid #e6ecf4;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #004e89;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 78, 137, 0.08);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #004e89;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #ff6b35;
            transform: scale(1.02);
        }
        .btn-outline {
            background: transparent;
            color: #004e89;
            border: 2px solid #004e89;
        }
        .btn-outline:hover {
            background: #004e89;
            color: #fff;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 2rem;
            cursor: pointer;
            color: #d0d8e4;
            transition: 0.1s;
        }
        .star-rating .star.active {
            color: #ffb703;
        }
        .star-rating .star:hover,
        .star-rating .star.hover {
            color: #ffb703;
            transform: scale(1.1);
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
            margin: 20px 0;
        }
        .sidebar-box {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px 22px;
            border: 1px solid #e6ecf4;
            position: sticky;
            top: 20px;
        }
        .sidebar-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-box li {
            padding: 8px 0;
            border-bottom: 1px solid #e6ecf4;
        }
        .sidebar-box li:last-child {
            border-bottom: none;
        }
        .sidebar-box li a {
            font-weight: 500;
            display: flex;
            gap: 8px;
            align-items: baseline;
        }
        .sidebar-box li a i {
            color: #ff6b35;
            font-size: 0.8rem;
        }
        footer {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 2px solid #eef2f7;
        }
        friend-link {
            display: block;
            background: #f8faff;
            border-radius: 12px;
            padding: 18px 22px;
            margin: 16px 0 20px;
            font-size: 0.95rem;
            border: 1px solid #e6ecf4;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            font-weight: 500;
        }
        .copyright {
            font-size: 0.9rem;
            color: #6b7f93;
            padding: 12px 0 4px;
            text-align: center;
        }
        @media (max-width: 820px) {
            .two-col {
                grid-template-columns: 1fr;
            }
            .sidebar-box {
                position: static;
            }
            .container {
                padding: 16px 16px 28px;
                margin-top: 12px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 16px 0 8px;
                border-top: 1px solid #eef2f7;
                margin-top: 8px;
            }
            .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: inline-block;
            }
            .search-box {
                max-width: 100%;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 12px 24px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .breadcrumb li+li::before {
                margin-right: 8px;
            }
        }
        .schema-hidden {
            display: none;
        }
        .highlight {
            background: #fff7e6;
            padding: 0 4px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .inline-icon {
            color: #ff6b35;
            margin-right: 6px;
        }
        .list-check {
            list-style: none;
            padding-left: 0;
        }
        .list-check li {
            padding: 4px 0 4px 28px;
            position: relative;
        }
        .list-check li::before {
            content: "✔️";
            position: absolute;
            left: 0;
            color: #1aaf5c;
        }
        .quote {
            border-left: 4px solid #ff6b35;
            padding: 12px 20px;
            margin: 20px 0;
            background: #f8faff;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            font-size: 1.05rem;
        }