*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #fafbfc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #003d7a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0d1b2a;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #0057b3;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #0057b3;
            padding-left: 0.8rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.1rem;
            color: #1b3a5c;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
            color: #fff;
            padding: 0 0 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 20px;
            max-width: 1160px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            padding: 4px 16px 4px 16px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: 0.25s;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.18);
            text-decoration: none;
            color: #ffd700;
        }
        .my-logo span {
            color: #ffd700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        nav {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0e8f0;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        nav a i {
            margin-right: 4px;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 10px 20px;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb-inner {
            max-width: 1160px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            margin: 0 6px;
            color: #7a8ba8;
        }
        .breadcrumb .current {
            color: #1b3a5c;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 30px 30px 40px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .article-body .update-badge {
            display: inline-block;
            background: #e8f0fe;
            color: #0057b3;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .featured-image-wrapper {
            margin: 24px 0 30px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image-wrapper img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .featured-image-wrapper figcaption {
            padding: 10px 16px;
            background: #f5f7fa;
            font-size: 0.85rem;
            color: #4a5a72;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 22px 20px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #eef2f7;
            padding-bottom: 10px;
            margin-bottom: 14px;
            color: #0d1b2a;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: #1b3a5c;
        }
        .sidebar-card ul li a:hover {
            color: #0057b3;
            text-decoration: none;
        }
        .sidebar-card ul li a i {
            color: #0057b3;
            width: 18px;
            text-align: center;
        }
        .search-box {
            display: flex;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            overflow: hidden;
            transition: 0.25s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #0057b3;
            box-shadow: 0 0 0 4px rgba(0, 87, 179, 0.08);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 18px;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 0 22px;
            cursor: pointer;
            font-size: 1rem;
            transition: 0.2s;
        }
        .search-box button:hover {
            background: #003d7a;
        }
        .rating-section,
        .comment-section {
            background: #f8faff;
            border-radius: 16px;
            padding: 24px 24px 28px;
            margin-top: 32px;
            border: 1px solid #e0e9f5;
        }
        .rating-section h3,
        .comment-section h3 {
            margin-top: 0;
            color: #0d1b2a;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #dce3ec;
            cursor: pointer;
            margin: 10px 0 14px;
            flex-wrap: wrap;
        }
        .star-rating i {
            transition: 0.15s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #ffb800;
        }
        .rating-form input[type="number"],
        .rating-form textarea,
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 12px;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
            background: #fff;
        }
        .rating-form input[type="number"]:focus,
        .rating-form textarea:focus,
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0057b3;
            box-shadow: 0 0 0 4px rgba(0, 87, 179, 0.06);
        }
        .rating-form textarea,
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #003d7a;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 87, 179, 0.25);
        }
        .btn-secondary {
            background: #e8f0fe;
            color: #0057b3;
        }
        .btn-secondary:hover {
            background: #d0e2fc;
            box-shadow: 0 6px 20px rgba(0, 87, 179, 0.10);
        }
        .policy-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 24px;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .policy-table th {
            background: #0d1b2a;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .policy-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef2f7;
            background: #fff;
        }
        .policy-table tr:last-child td {
            border-bottom: none;
        }
        .policy-table tr:hover td {
            background: #f8faff;
        }
        .policy-table .yes {
            color: #1e7e34;
            font-weight: 700;
        }
        .policy-table .no {
            color: #c41e3a;
            font-weight: 700;
        }
        footer {
            background: #0d1b2a;
            color: #c8d4e3;
            padding: 40px 20px 24px;
            margin-top: 40px;
            border-top: 4px solid #0057b3;
        }
        .footer-inner {
            max-width: 1160px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }
        @media (max-width: 720px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #ffd700;
            margin-top: 0;
            margin-bottom: 14px;
            font-size: 1.05rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 8px;
        }
        .footer-inner a {
            color: #a0b8d0;
        }
        .footer-inner a:hover {
            color: #ffd700;
            text-decoration: none;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            padding: 4px 0;
        }
        .footer-inner ul li a {
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }
        friend-link a {
            margin: 0 6px;
            color: #a0b8d0;
        }
        friend-link a:hover {
            color: #ffd700;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: #7a8ba8;
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.2rem;
                padding: 2px 12px;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 10px 0 6px;
                gap: 2px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
                white-space: normal;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 18px 16px 30px;
            }
            .sidebar {
                order: 2;
            }
            .content-grid {
                gap: 20px;
            }
            .policy-table {
                font-size: 0.8rem;
            }
            .policy-table th,
            .policy-table td {
                padding: 8px 10px;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-body {
                padding: 14px 12px 24px;
                border-radius: 12px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .search-box input {
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .search-box button {
                padding: 0 14px;
            }
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #0057b3;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 18px 0;
        }
        .highlight-box strong {
            color: #0057b3;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .flex-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #0d1b2a;
            color: #ffd700;
            padding: 2px 14px 2px 10px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 16px 0;
        }
        @media (max-width: 600px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }
        .stat-card {
            background: #f8faff;
            border-radius: 14px;
            padding: 18px 16px;
            border: 1px solid #e0e9f5;
            text-align: center;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #0057b3;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #4a5a72;
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }