*,
        *::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: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0b3b5e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.5rem 0 1rem;
            color: #0a1e2f;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.5rem 0 1rem;
            color: #0f2b42;
            border-bottom: 4px solid #d0e2f2;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem;
            color: #1a3e5c;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.5rem 0 0.6rem;
            color: #254e6e;
        }
        p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #2c4056;
            max-width: 75ch;
        }
        strong {
            color: #0a2a44;
        }
        .badge {
            display: inline-block;
            background: #1e6f9f;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #d0e2f2;
            margin-bottom: 1rem;
            background: #f4f7fc;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0f2b42;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #1e6f9f, #0f2b42);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.6rem;
            -webkit-text-fill-color: #1e6f9f;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            font-weight: 600;
            color: #1a3e5c;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-bar a:hover {
            border-bottom-color: #1e6f9f;
            color: #0f2b42;
            text-decoration: none;
        }
        .nav-bar .active {
            border-bottom-color: #1e6f9f;
            color: #0f2b42;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #0f2b42;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #e2ebf3;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            font-size: 0.9rem;
            color: #4a627a;
            padding: 0.6rem 0;
            margin-bottom: 0.8rem;
            list-style: none;
        }
        .breadcrumb li {
            display: inline;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #8aa3bb;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb .current {
            color: #2c4056;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1.5rem 0 2rem;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #d0e2f2;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .search-form input[type="text"]:focus {
            outline: none;
            border-color: #1e6f9f;
            box-shadow: 0 0 0 3px rgba(30, 111, 159, 0.15);
        }
        .search-form button {
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 40px;
            background: #1e6f9f;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #0f2b42;
            transform: scale(1.02);
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 2.5rem;
            border: 1px solid #e8edf3;
            transition: box-shadow 0.25s ease;
        }
        .card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feature-item {
            background: #f9fcff;
            border-radius: 14px;
            padding: 1.6rem 1.8rem;
            border-left: 5px solid #1e6f9f;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(30, 111, 159, 0.08);
        }
        .feature-item i {
            font-size: 2rem;
            color: #1e6f9f;
            margin-bottom: 0.6rem;
        }
        .feature-item h3 {
            margin-top: 0.2rem;
            margin-bottom: 0.4rem;
        }
        .comment-box,
        .rating-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf3;
            margin-bottom: 2rem;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            border: 2px solid #d0e2f2;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .comment-box textarea:focus {
            outline: none;
            border-color: #1e6f9f;
            box-shadow: 0 0 0 3px rgba(30, 111, 159, 0.12);
        }
        .comment-box input[type="text"] {
            width: 100%;
            max-width: 400px;
            padding: 0.7rem 1rem;
            border: 2px solid #d0e2f2;
            border-radius: 40px;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .comment-box input[type="text"]:focus {
            border-color: #1e6f9f;
            outline: none;
        }
        .btn {
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            background: #1e6f9f;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #0f2b42;
            transform: scale(1.02);
            text-decoration: none;
        }
        .btn-outline {
            background: transparent;
            color: #1e6f9f;
            border: 2px solid #1e6f9f;
        }
        .btn-outline:hover {
            background: #1e6f9f;
            color: #fff;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #d0dce8;
            cursor: pointer;
            margin: 0.8rem 0 1.2rem;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f5b342;
            transform: scale(1.1);
        }
        .rating-stars i.active-permanent {
            color: #f5b342;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 2px solid #d0e2f2;
            margin-top: 2rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
        }
        friend-link li a {
            font-weight: 500;
            color: #1e6f9f;
        }
        friend-link li a::before {
            content: "🔗 ";
            font-size: 0.8rem;
        }
        .site-footer {
            padding: 2rem 0 1.5rem;
            border-top: 2px solid #d0e2f2;
            margin-top: 1rem;
            text-align: center;
            font-size: 0.95rem;
            color: #4a627a;
        }
        .site-footer .copyright {
            font-weight: 500;
            margin-top: 0.6rem;
        }
        .site-footer a {
            color: #1e6f9f;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.98rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .data-table th {
            background: #0f2b42;
            color: #fff;
            padding: 0.9rem 1.2rem;
            text-align: left;
            font-weight: 700;
        }
        .data-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #e8edf3;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover td {
            background: #eef4fa;
        }
        .hero-img-wrap {
            margin: 2rem 0 2.5rem;
            border-radius: 18px;
            overflow: hidden;
            background: #d0e2f2;
            position: relative;
        }
        .hero-img-wrap img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .hero-img-wrap .img-credit {
            position: absolute;
            bottom: 0.6rem;
            right: 1rem;
            background: rgba(0, 0, 0, 0.5);
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }
        @media (max-width: 820px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .card,
            .comment-box,
            .rating-box {
                padding: 1.5rem 1.2rem;
            }
            .site-header {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .nav-bar {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0.4rem;
                padding: 1rem 0 0.4rem;
                background: #f4f7fc;
                border-top: 1px solid #d0e2f2;
                margin-top: 0.6rem;
            }
            .nav-bar.open {
                display: flex;
            }
            .nav-bar a {
                padding: 0.5rem 0;
                font-size: 1.05rem;
                border-bottom: 1px solid #e2ebf3;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.6rem 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .card {
                padding: 1rem 0.8rem;
            }
            .hero-img-wrap {
                margin: 1rem 0;
            }
            .rating-stars {
                font-size: 1.6rem;
                gap: 0.3rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        .text-sm {
            font-size: 0.9rem;
            color: #4a627a;
        }
        .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: 0.8rem;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8f0f8;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #0f2b42;
            font-weight: 500;
        }
        .stat-highlight {
            background: #f0f6fe;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            border-left: 5px solid #f5b342;
            margin: 1.5rem 0;
        }
        .interview-block {
            background: #f5f9ff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            border: 1px solid #dce8f2;
            font-style: italic;
        }
        .interview-block .attribution {
            font-style: normal;
            font-weight: 600;
            margin-top: 0.8rem;
            color: #0f2b42;
        }