        *,
        *::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;
            margin: 0;
        }
        a {
            color: #0f3460;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e94560;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo a {
            color: inherit;
            -webkit-text-fill-color: transparent;
            background: inherit;
            -webkit-background-clip: text;
            background-clip: text;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            font-weight: 400;
            letter-spacing: 0.5px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px 16px;
            flex-wrap: wrap;
        }
        .nav-list a {
            color: #e0e0e0;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 30px;
            transition: all 0.25s ease;
            font-size: 0.92rem;
        }
        .nav-list a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd200;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-list {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin-top: 12px;
            background: rgba(255, 255, 255, 0.05);
            padding: 16px 12px;
            border-radius: 12px;
        }
        #nav-toggle:checked~.nav-list li {
            width: 100%;
        }
        .breadcrumb {
            background: #e8ecf1;
            padding: 10px 0;
            font-size: 0.88rem;
            color: #555;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #999;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb .current {
            color: #888;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 8px;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border: 2px solid #d1d9e6;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #0f3460;
        }
        .search-form button {
            padding: 14px 28px;
            background: #0f3460;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #e94560;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #0f3460;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 18px;
            color: #16213e;
            border-left: 6px solid #e94560;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2d4059;
        }
        p {
            margin-bottom: 18px;
            color: #2d2d3f;
        }
        .lead {
            font-size: 1.2rem;
            color: #444;
            font-weight: 400;
            line-height: 1.8;
        }
        strong,
        b {
            color: #0f3460;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 4px;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 18px;
            background: #f1f4f9;
            font-size: 0.9rem;
            color: #666;
            font-style: italic;
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 32px 0;
        }
        .highlight-card {
            background: #fff;
            padding: 28px 22px;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.25s ease, box-shadow 0.3s ease;
            border: 1px solid #eef2f7;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }
        .highlight-card i {
            font-size: 2rem;
            color: #e94560;
            margin-bottom: 12px;
        }
        .highlight-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 32px 0;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #0f3460;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef2f7;
        }
        .data-table tr:hover td {
            background: #f8faff;
        }
        .feedback-section {
            background: #fff;
            border-radius: 20px;
            padding: 36px 32px;
            margin: 48px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .feedback-section h2 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1a1a2e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #0f3460;
            outline: none;
        }
        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 140px;
        }
        .btn-primary {
            background: #0f3460;
            color: #fff;
            padding: 14px 36px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            background: #e94560;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b50a;
        }
        .site-footer {
            background: #0f3460;
            color: #cfd9e6;
            padding: 40px 0 30px;
            margin-top: 60px;
        }
        .site-footer a {
            color: #b0c4de;
        }
        .site-footer a:hover {
            color: #ffd200;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            padding: 8px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #9aafc9;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(255, 255, 255, 0.04);
                padding: 12px 0;
                border-radius: 12px;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .breadcrumb ul {
                font-size: 0.8rem;
                gap: 4px;
            }
            .feedback-section {
                padding: 24px 18px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-form button {
                justify-content: center;
            }
            .featured-image {
                margin: 20px 0;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 10px 12px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-muted {
            color: #777;
            font-size: 0.92rem;
        }
        .badge {
            display: inline-block;
            background: #e94560;
            color: #fff;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #e8ecf1;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #333;
            margin-bottom: 20px;
        }
        .section-divider {
            height: 2px;
            background: linear-gradient(to right, #e2e8f0, transparent);
            margin: 48px 0;
        }
