*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
        }
        a {
            color: #004e92;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #c62828;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0b1a33;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #c62828;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e0e7f0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 50%;
            transform: translateX(-50%);
            background: #c62828;
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a33 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.18);
            text-decoration: none;
            color: #ffd54f;
            border-color: #ffd54f;
        }
        .my-logo i {
            font-size: 1.4rem;
            color: #ffd54f;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0edff;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd54f;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.4rem;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap {
            background: #eef2f7;
            padding: 0.5rem 0;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.1rem;
            font-size: 0.85rem;
            color: #445566;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.3rem;
            color: #8899aa;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #004e92;
        }
        .breadcrumb .current {
            color: #c62828;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            padding: 1.2rem 0;
            border-bottom: 1px solid #e0e7f0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #d0d8e5;
            transition: 0.3s;
        }
        .search-form:focus-within {
            border-color: #004e92;
            box-shadow: 0 0 0 3px rgba(0, 78, 146, 0.15);
        }
        .search-form input {
            flex: 1;
            padding: 0.85rem 1.5rem;
            border: none;
            font-size: 1rem;
            background: #fff;
            outline: none;
            min-width: 0;
        }
        .search-form button {
            background: #004e92;
            color: #fff;
            border: none;
            padding: 0 2rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #c62828;
        }
        .page-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
            background: #eef2f7;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #556677;
            font-style: italic;
            background: #f8faff;
            border-radius: 0 0 14px 14px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem;
            margin-bottom: 1.8rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf5;
            transition: 0.3s;
        }
        .sidebar-card:hover {
            box-shadow: 0 8px 35px rgba(0, 0, 0, 0.07);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-left: 4px solid #c62828;
            padding-left: 0.8rem;
            margin-bottom: 1rem;
        }
        .link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f3f8;
            font-size: 0.95rem;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #1a3a5c;
            font-weight: 500;
        }
        .link-list a:hover {
            color: #c62828;
            text-decoration: none;
        }
        .link-list a i {
            color: #c62828;
            font-size: 0.8rem;
        }
        .rating-block {
            display: flex;
            align-items: center;
            gap: 0.8rem 1.5rem;
            flex-wrap: wrap;
            background: #f8faff;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            margin: 1rem 0 1.8rem;
        }
        .stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #ffb300;
            cursor: pointer;
        }
        .stars i {
            transition: 0.15s;
        }
        .stars i:hover,
        .stars i.active {
            transform: scale(1.2);
            color: #f57c00;
        }
        .rating-form {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .rating-form button {
            background: #004e92;
            color: #fff;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.9rem;
        }
        .rating-form button:hover {
            background: #c62828;
        }
        .comment-area {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem;
            border: 1px solid #e8edf5;
            margin-top: 2.5rem;
        }
        .comment-area h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #d0d8e5;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 120px;
            transition: 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #004e92;
            box-shadow: 0 0 0 3px rgba(0, 78, 146, 0.1);
            outline: none;
        }
        .comment-form .form-actions {
            display: flex;
            justify-content: flex-end;
            gap: 1rem;
            margin-top: 0.8rem;
        }
        .comment-form button {
            background: #004e92;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.95rem;
        }
        .comment-form button:hover {
            background: #c62828;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0b1a33;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #eef2f7;
        }
        .data-table tr:hover td {
            background: #f8faff;
        }
        .site-footer {
            background: #0b1a33;
            color: #d0dce8;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
            border-top: 4px solid #c62828;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #ffd54f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #b0c8e0;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: #ffd54f;
            text-decoration: none;
        }
        .friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            color: #90b8e0;
        }
        .friend-link a:hover {
            color: #ffd54f;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #8899aa;
        }
        .copyright strong {
            color: #e0edff;
        }
        @media (max-width: 992px) {
            .page-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 26, 51, 0.98);
                padding: 1rem 0.5rem;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 0.2rem 1rem;
            }
            .rating-block {
                flex-direction: column;
                align-items: flex-start;
                border-radius: 16px;
                padding: 1rem;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .search-form input {
                padding: 0.7rem 1rem;
            }
            .search-form button {
                padding: 0 1rem;
                font-size: 0.9rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .badge {
            display: inline-block;
            background: #c62828;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .highlight-box {
            background: #eef6ff;
            border-left: 5px solid #004e92;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #c62828;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #556677;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #c62828;
        }
        .toc {
            background: #fff;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            border: 1px solid #e0e7f0;
            margin: 1.5rem 0;
        }
        .toc ol {
            margin: 0.5rem 0 0 1.2rem;
        }
        .toc a {
            color: #1a3a5c;
        }
        .toc a:hover {
            color: #c62828;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #c62828;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(198, 40, 40, 0.3);
            transition: 0.3s;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #0b1a33;
            transform: translateY(-4px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }