*,
        *::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: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d3b5e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 16px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.75rem;
            border-bottom: 2px solid #e8edf3;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0a3d62, #1e6f9f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #1e6f9f;
            font-size: 1.7rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .logo-sub {
            font-size: 0.7rem;
            display: block;
            color: #5a6d80;
            letter-spacing: 1px;
            font-weight: 400;
            -webkit-text-fill-color: #5a6d80;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: inline-block;
            padding: 0.45rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #1a1a2e;
            background: transparent;
            transition: all 0.2s ease;
        }
        .nav-list li a:hover {
            background: #e8edf3;
            color: #0a3d62;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #0a3d62;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1a1a2e;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #1e6f9f;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #e8edf3;
                margin-top: 0.75rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .site-header {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.4rem;
            font-size: 0.85rem;
            color: #5a6d80;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.5rem;
            color: #b0c4d8;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 1rem;
            color: #0a3d62;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e8edf3;
            color: #0a3d62;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 600;
            margin: 1.8rem 0 0.7rem;
            color: #1a3a4f;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem;
            color: #2a4a6f;
        }
        p {
            margin-bottom: 1.1rem;
            font-size: 1.02rem;
            color: #2d3748;
        }
        strong {
            color: #0a3d62;
            font-weight: 700;
        }
        .highlight-box {
            background: #f0f6fc;
            border-left: 5px solid #1e6f9f;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            h4 {
                font-size: 1.05rem;
            }
            p {
                font-size: 0.97rem;
            }
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            display: block;
        }
        .featured-image figcaption {
            padding: 0.7rem 1rem;
            background: #f8fafc;
            font-size: 0.88rem;
            color: #4a5a6a;
            border-top: 1px solid #e8edf3;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #e8edf3;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
        }
        th {
            background: #0a3d62;
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f6f9fe;
        }
        @media (max-width: 768px) {
            th,
            td {
                padding: 0.5rem 0.6rem;
                font-size: 0.87rem;
            }
        }
        .search-section {
            background: #f0f6fc;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 600;
            font-size: 1.1rem;
            color: #0a3d62;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex: 1;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d0dce8;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #1e6f9f;
        }
        .search-form button {
            padding: 0.7rem 1.5rem;
            background: #0a3d62;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #1e6f9f;
        }
        @media (max-width: 768px) {
            .search-section {
                padding: 1.2rem 1.2rem;
                flex-direction: column;
                align-items: stretch;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                min-width: auto;
            }
        }
        .comments-section {
            margin: 3rem 0 2rem;
            padding: 2rem;
            background: #fafcfe;
            border-radius: 16px;
            border: 1px solid #e8edf3;
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #d0dce8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #1e6f9f;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d0dce8;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            margin-top: 0.7rem;
        }
        .comment-form input[type="text"]:focus {
            border-color: #1e6f9f;
        }
        .comment-form button {
            margin-top: 1rem;
            padding: 0.75rem 2rem;
            background: #0a3d62;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form button:hover {
            background: #1e6f9f;
        }
        .comment-list {
            margin-top: 2rem;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #eef2f6;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 600;
            color: #0a3d62;
        }
        .comment-date {
            font-size: 0.82rem;
            color: #7a8a9a;
            margin-left: 0.5rem;
        }
        .comment-text {
            margin-top: 0.3rem;
            color: #2d3748;
        }
        @media (max-width: 768px) {
            .comments-section {
                padding: 1.2rem;
            }
        }
        .rating-section {
            margin: 2rem 0;
            padding: 1.5rem 2rem;
            background: #f8fafc;
            border-radius: 16px;
            border: 1px solid #e8edf3;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #d0dce8;
            cursor: pointer;
            transition: color 0.15s;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f5b342;
            transform: scale(1.05);
        }
        .rating-stars i:hover~i {
            color: #d0dce8;
        }
        .rating-value {
            font-weight: 700;
            font-size: 1.3rem;
            color: #0a3d62;
        }
        .rating-form button {
            padding: 0.6rem 1.5rem;
            background: #0a3d62;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: #1e6f9f;
        }
        @media (max-width: 768px) {
            .rating-section {
                padding: 1.2rem;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
        }
        friend-link {
            display: block;
            margin-top: 2.5rem;
            padding: 1.5rem 2rem;
            background: #f0f6fc;
            border-radius: 16px;
            border: 1px solid #dce6f0;
        }
        friend-link::before {
            content: "🌐 Friendly Links";
            display: block;
            font-weight: 700;
            font-size: 1.2rem;
            color: #0a3d62;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.25rem 1rem 0.25rem 0;
            padding: 0.3rem 0.8rem;
            background: #ffffff;
            border-radius: 30px;
            font-size: 0.92rem;
            border: 1px solid #d0dce8;
            transition: all 0.2s;
        }
        friend-link a:hover {
            background: #0a3d62;
            color: #fff;
            border-color: #0a3d62;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            friend-link {
                padding: 1.2rem;
            }
            friend-link a {
                display: block;
                margin: 0.4rem 0;
            }
        }
        .site-footer {
            margin-top: 2.5rem;
            padding: 1.5rem 0 0.5rem;
            border-top: 2px solid #e8edf3;
            text-align: center;
            font-size: 0.9rem;
            color: #5a6d80;
        }
        .site-footer p {
            margin-bottom: 0.4rem;
            font-size: 0.9rem;
            color: #5a6d80;
        }
        .site-footer .copyright {
            font-weight: 500;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #7a8a9a;
            background: #f0f4f8;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            margin-bottom: 0.8rem;
        }
        .section-icon {
            margin-right: 0.4rem;
        }
        .link-list-inline {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1rem;
            margin: 1rem 0;
        }
        .link-list-inline li a {
            font-weight: 500;
        }
        .btn-top {
            display: inline-block;
            margin-top: 1rem;
            padding: 0.4rem 1.2rem;
            background: #e8edf3;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #1a1a2e;
            transition: background 0.2s;
        }
        .btn-top:hover {
            background: #0a3d62;
            color: #fff;
            text-decoration: none;
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
            }
        }