*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.35;
            margin-top: 0;
            color: #0f1a2e;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #e8edf5;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1rem;
            color: #2c3e50;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #ffffff;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.6rem 0;
            border-bottom: 1px solid #eef2f7;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            display: inline-flex;
            align-items: center;
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #0b1d31;
            text-decoration: none;
            background: linear-gradient(135deg, #0b1d31 0%, #2a4a7f 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding: 0.2rem 0;
        }
        .my-logo i {
            font-size: 1.7rem;
            margin-right: 0.4rem;
            background: none;
            -webkit-text-fill-color: #2a4a7f;
            color: #2a4a7f;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1e2a3a;
            border-radius: 40px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: #eef4fc;
            color: #0066cc;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #0b1d31;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef4fc;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.3rem;
            font-size: 0.85rem;
            color: #5a6e85;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            align-items: center;
        }
        .breadcrumb a {
            color: #0066cc;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span.sep {
            color: #a0b3cc;
        }
        .hero {
            background: linear-gradient(145deg, #ffffff 0%, #f0f5fe 100%);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            margin: 1.5rem 0 2rem;
            border: 1px solid #e8edf5;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }
        .hero-text {
            flex: 2;
            min-width: 260px;
        }
        .hero-img-wrap {
            flex: 1;
            min-width: 180px;
            text-align: center;
        }
        .hero-img-wrap img {
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            width: 100%;
            max-width: 320px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.6rem;
        }
        .hero .tagline {
            font-size: 1.15rem;
            color: #3d5670;
            margin-bottom: 1.2rem;
        }
        .hero .meta-badge {
            display: inline-block;
            background: #0b1d31;
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .search-section h2 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce4ed;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #2a4a7f;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #0b1d31;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1a3355;
            transform: scale(1.02);
        }
        .content-area {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.5rem;
            margin: 1.5rem 0;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .content-area .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .content-area .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: 16px;
        }
        .last-updated {
            display: inline-block;
            background: #f0f5fe;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.82rem;
            color: #2a4a7f;
            font-weight: 500;
            margin-bottom: 1.2rem;
        }
        .highlight-box {
            background: #f7faff;
            border-left: 5px solid #2a4a7f;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #0b1d31;
        }
        .insight-card {
            background: #fafcff;
            border: 1px solid #e8edf5;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 1.2rem 0;
            transition: box-shadow 0.2s;
        }
        .insight-card:hover {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .rating-section,
        .comment-section {
            background: #fafcff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #eef2f7;
        }
        .rating-section h3,
        .comment-section h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
            margin: 0.6rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d4dce8;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .rating-section form,
        .comment-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .rating-section form input,
        .rating-section form textarea,
        .comment-section form input,
        .comment-section form textarea {
            padding: 0.75rem 1.2rem;
            border: 2px solid #dce4ed;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            font-family: inherit;
            transition: border-color 0.2s;
        }
        .rating-section form input:focus,
        .rating-section form textarea:focus,
        .comment-section form input:focus,
        .comment-section form textarea:focus {
            border-color: #2a4a7f;
        }
        .rating-section form textarea,
        .comment-section form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .rating-section form button,
        .comment-section form button {
            align-self: flex-start;
            padding: 0.7rem 2rem;
            background: #0b1d31;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .rating-section form button:hover,
        .comment-section form button:hover {
            background: #1a3355;
            transform: scale(1.02);
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .styled-table thead {
            background: #0b1d31;
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #eef2f7;
        }
        .styled-table tbody tr:hover {
            background: #f4f8fe;
        }
        .site-footer {
            background: #0b1d31;
            color: #d4e0ee;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: 24px 24px 0 0;
        }
        .site-footer a {
            color: #9bb9e0;
        }
        .site-footer a:hover {
            color: #ffffff;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem 3rem;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1;
            min-width: 180px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 1rem;
            border-bottom: 2px solid #2a4a7f;
            padding-bottom: 0.4rem;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #2a4a7f;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.2rem 0.8rem;
            background: #1a3355;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #c5d7ef;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #2a4a7f;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid #1a3355;
            font-size: 0.85rem;
            color: #8aa3c2;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #fff;
                padding: 0.8rem 0 1.2rem;
                border-top: 1px solid #eef2f7;
                margin-top: 0.4rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .hero {
                flex-direction: column;
                padding: 1.8rem 1.2rem;
                text-align: center;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .content-area {
                padding: 1.5rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .styled-table {
                font-size: 0.85rem;
            }
            .styled-table th,
            .styled-table td {
                padding: 0.6rem 0.8rem;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
            }
            .rating-section,
            .comment-section {
                padding: 1.2rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .container {
                padding: 0 0.8rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .schema-hidden {
            display: none;
        }