*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #00509e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #003366;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b1e33;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #d4a017;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #d4a017;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1f3a5f;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4a6e;
            font-weight: 600;
        }
        p {
            margin: 1rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1e33 0%, #1f3a5f 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 999;
            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;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #f5d742;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.2rem 1rem;
            border-radius: 30px;
            border: 2px solid #f5d74288;
            transition: 0.25s;
            display: inline-block;
        }
        .my-logo:hover {
            background: #f5d742;
            color: #0b1e33;
            text-decoration: none;
            border-color: #f5d742;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 300;
            display: block;
            color: #ccddee;
            letter-spacing: 2px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.25rem 1.2rem;
            flex-wrap: wrap;
            align-items: center;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #eaf0f9;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-list li a:hover {
            background: #f5d74222;
            color: #f5d742;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5d742;
            color: #f5d742;
            font-size: 1.8rem;
            padding: 0.2rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #f5d742;
            color: #0b1e33;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 0.6rem;
                border-top: 1px solid #ffffff33;
                padding-top: 1rem;
            }
            .nav-wrapper.open {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem 0;
            }
            .nav-list li a {
                display: block;
                padding: 0.5rem 1rem;
                font-size: 1.05rem;
            }
            .header-inner {
                align-items: center;
            }
        }
        .breadcrumb {
            background: #eaf0f9;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0dce8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #00509e;
        }
        .breadcrumb .current {
            color: #333;
            font-weight: 600;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2rem 0 3rem;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                order: 2;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        @media (max-width: 992px) {
            .sidebar {
                position: static;
                top: auto;
            }
            .article-body {
                padding: 1.5rem 1.2rem;
            }
        }
        .sidebar-widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e8ecf2;
        }
        .sidebar-widget:last-child {
            border-bottom: 0;
            margin-bottom: 0;
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 1rem;
            color: #0b1e33;
            border-bottom: 2px solid #d4a017;
            padding-bottom: 0.3rem;
        }
        .link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .link-list li {
            margin-bottom: 0.4rem;
        }
        .link-list a {
            display: block;
            padding: 0.45rem 0.6rem;
            background: #f4f7fa;
            border-radius: 8px;
            font-size: 0.9rem;
            transition: background 0.2s, transform 0.15s;
        }
        .link-list a:hover {
            background: #d4a01722;
            transform: translateX(4px);
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 140px;
            padding: 0.7rem 1rem;
            border: 2px solid #d0dce8;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #f9fbfd;
        }
        .search-form input[type="text"]:focus {
            border-color: #00509e;
        }
        .search-form button {
            background: #00509e;
            color: #fff;
            border: none;
            padding: 0.7rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: #003366;
            transform: scale(1.02);
        }
        .comment-form,
        .score-form {
            background: #f9fbfd;
            border-radius: 14px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #e0e8f0;
        }
        .comment-form h3,
        .score-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #0b1e33;
        }
        .comment-form textarea,
        .comment-form input,
        .score-form select,
        .score-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d0dce8;
            border-radius: 10px;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.25s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .score-form select:focus,
        .score-form input:focus {
            border-color: #00509e;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .score-form button {
            background: #d4a017;
            color: #0b1e33;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            font-size: 1rem;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #b8890e;
            transform: scale(1.02);
        }
        .form-note {
            font-size: 0.85rem;
            color: #666;
            margin-top: -0.3rem;
            margin-bottom: 0.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.6rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccd;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b82e;
            transform: scale(1.05);
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f4f7fa;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #444;
            text-align: center;
        }
        .last-updated {
            display: inline-block;
            background: #eaf0f9;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2c4a6e;
            margin: 1rem 0 0.2rem;
            font-weight: 500;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        .site-footer {
            background: #0b1e33;
            color: #ccddee;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-grid h4 {
            color: #f5d742;
            margin-top: 0;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            margin: 0.6rem 0;
        }
        friend-link a {
            color: #aac4dd;
            display: inline-block;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #ffffff11;
            color: #f5d742;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #ffffff22;
            padding-top: 1.5rem;
            margin-top: 1.8rem;
            text-align: center;
            font-size: 0.85rem;
            color: #99aac0;
        }
        .badge {
            display: inline-block;
            background: #d4a017;
            color: #0b1e33;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-right: 0.4rem;
        }
        .highlight-box {
            background: #f0f5fb;
            border-left: 5px solid #00509e;
            padding: 1.2rem 1.6rem;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .text-muted {
            color: #666;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #d0dce8;
            text-align: left;
        }
        th {
            background: #0b1e33;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f4f7fa;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
            }
            .sidebar {
                padding: 1rem;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }