* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.8;
            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;
            display: block;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2.5rem;
            margin-top: 1.5rem;
            margin-bottom: 2rem;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0f3b5e, #2a7faa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a6f8a;
            color: #4a6f8a;
            letter-spacing: 0.2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: color 0.2s;
        }
        .nav-toggle:hover {
            color: #2a7faa;
        }
        nav#main-nav ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 0.8rem;
            list-style: none;
            align-items: center;
        }
        nav#main-nav ul li a {
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e2a3a;
            transition: background 0.25s, color 0.25s;
        }
        nav#main-nav ul li a:hover {
            background: #e1edf5;
            color: #0f3b5e;
            text-decoration: none;
        }
        nav#main-nav ul li a.active {
            background: #0f3b5e;
            color: #fff;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.75rem 0 0.2rem;
            font-size: 0.85rem;
            color: #5a6f7e;
            width: 100%;
            border-top: 1px solid #e9edf2;
            margin-top: 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.5rem;
            color: #8a9aa8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb a:hover {
            color: #0d3b5e;
        }
        .breadcrumb li:last-child {
            color: #3a4f5e;
            font-weight: 500;
        }
        main {
            padding: 1.8rem 0 1.2rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: #0a2538;
            margin: 0 0 0.6rem;
        }
        h1 .sub-head {
            display: block;
            font-size: 1.2rem;
            font-weight: 400;
            color: #3a5f7a;
            letter-spacing: 0.2px;
            margin-top: 0.3rem;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #6a8a9e;
            background: #f0f4f8;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            margin-bottom: 1.5rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0a2538;
            margin: 2.2rem 0 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #dce5ed;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3a4f;
            margin: 1.8rem 0 0.6rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2a4f6a;
            margin: 1.4rem 0 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #1e2e3e;
        }
        .lead {
            font-size: 1.2rem;
            color: #2a4a5e;
            font-weight: 400;
            background: #f4f8fc;
            padding: 1rem 1.5rem;
            border-radius: 16px;
            border-left: 4px solid #2a7faa;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .highlight-box {
            background: #f0f6fd;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
            border: 1px solid #dce8f0;
        }
        .highlight-box i {
            color: #2a7faa;
            margin-right: 0.5rem;
        }
        .emoji-big {
            font-size: 1.4rem;
            line-height: 1;
        }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-image figcaption {
            font-size: 0.9rem;
            color: #5a7a8e;
            margin-top: 0.6rem;
            font-style: italic;
        }
        .search-section {
            background: #f2f6fa;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            margin: 2.2rem 0;
            border: 1px solid #dee8f0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #ccdae5;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #2a7faa;
        }
        .search-form button {
            padding: 0.75rem 2rem;
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1a5a7a;
            transform: scale(1.02);
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 768px) {
            .feedback-section {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .comment-box,
        .rating-box {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.5rem 2rem;
            border: 1px solid #e4ecf3;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ccdae5;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #2a7faa;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ccdae5;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
            margin: 0.5rem 0;
        }
        .comment-form input[type="text"]:focus {
            border-color: #2a7faa;
        }
        .comment-form button,
        .rating-form button {
            padding: 0.7rem 2rem;
            background: #0f3b5e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            margin-top: 0.5rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1a5a7a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.6rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccdae5;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
            transform: scale(1.1);
        }
        .star-rating label i {
            pointer-events: none;
        }
        footer {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e9edf2;
        }
        footer .footer-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        friend-link {
            display: block;
            background: #f4f8fb;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            font-style: normal;
            border: 1px solid #dee8f0;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #0a2538;
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #e8eff5;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #1a4a6a;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #d0dde8;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding: 1.2rem 0 0.4rem;
            font-size: 0.9rem;
            color: #5a7a8e;
            border-top: 1px solid #e9edf2;
            margin-top: 1.2rem;
        }
        .copyright i {
            color: #b03a3a;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1.2rem 1.8rem;
                margin-top: 0.8rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .nav-toggle {
                display: block;
            }
            nav#main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 0.8rem;
                border-top: 1px solid #e9edf2;
                padding-top: 0.8rem;
            }
            nav#main-nav.open {
                display: block;
            }
            nav#main-nav ul {
                flex-direction: column;
                gap: 0.3rem;
                align-items: stretch;
            }
            nav#main-nav ul li a {
                display: block;
                padding: 0.6rem 1rem;
                border-radius: 12px;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
            }
            .comment-box,
            .rating-box {
                padding: 1.2rem 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) {
            .nav-toggle {
                display: none !important;
            }
            nav#main-nav {
                display: block !important;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #5a7a8e;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .inline-icon {
            margin-right: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fafcfe;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e4ecf3;
        }
        th {
            background: #e8f0f8;
            font-weight: 600;
            color: #0a2538;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .btn-outline {
            display: inline-block;
            padding: 0.4rem 1.2rem;
            border: 2px solid #2a7faa;
            border-radius: 30px;
            color: #2a7faa;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
        }
        .btn-outline:hover {
            background: #2a7faa;
            color: #fff;
            text-decoration: none;
        }
        .tag {
            display: inline-block;
            background: #e4edf5;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #1a4a6a;
        }