        *,
        *::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, sans-serif;
            line-height: 1.8;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0 20px;
            max-width: 1280px;
            margin: 0 auto;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #e94560;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #c23152;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.8rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0f3460;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
            border-bottom: 4px solid #e94560;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e94560;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #16213e;
        }
        h4 {
            font-size: 1.15rem;
            color: #1a1a2e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2.5rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0;
            border-bottom: 2px solid #e8ecf4;
            gap: 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0f3460, #e94560);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #e94560;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            margin: 0;
            padding: 0;
        }
        .nav-list li a {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #1a1a2e;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #0f3460;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f3460;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef1f8;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            margin: 0;
            font-size: 0.85rem;
            color: #6b7280;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #9ca3af;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #e94560;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: #0f3460;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            margin: 1.8rem 0 2.2rem;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
        }
        .search-section h3 {
            color: #fff;
            margin: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .search-form {
            flex: 1;
            display: flex;
            gap: 0.6rem;
            min-width: 200px;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1a1a2e;
            min-width: 0;
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 40px;
            background: #e94560;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #c23152;
            transform: scale(1.02);
        }
        .content-area {
            padding: 0.5rem 0;
        }
        .content-area p {
            text-align: justify;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 6px solid #e94560;
            padding: 1.6rem 2rem;
            border-radius: 0 16px 16px 0;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f8f9fc;
            padding: 1.4rem 1rem;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #e8ecf4;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 900;
            color: #e94560;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #4b5563;
            margin-top: 0.2rem;
        }
        .interview-block {
            background: #faf5ff;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            margin: 2rem 0;
            border: 1px solid #e9d5ff;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            font-weight: 500;
            color: #0f3460;
            border-left: 4px solid #e94560;
            padding-left: 1.4rem;
            margin: 0.8rem 0;
        }
        .interview-block .attribution {
            font-weight: 600;
            color: #6d28d9;
            margin-top: 0.6rem;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0.8rem 0;
            margin: 1.2rem 0;
        }
        .related-links li a {
            background: #f0f4ff;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #0f3460;
            border: 1px solid #dce3f0;
            transition: all 0.2s;
            display: inline-block;
        }
        .related-links li a:hover {
            background: #0f3460;
            color: #fff;
            border-color: #0f3460;
            text-decoration: none;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
        }
        .comment-box,
        .rating-box {
            background: #f8f9fc;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            border: 1px solid #e8ecf4;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-box form,
        .rating-box form {
            margin-top: 1rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #dce3f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border-color 0.2s;
            background: #fff;
        }
        .comment-box textarea:focus {
            border-color: #e94560;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce3f0;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
            background: #fff;
            margin-top: 0.6rem;
        }
        .comment-box input[type="text"]:focus {
            border-color: #e94560;
        }
        .btn-submit {
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            background: #e94560;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-submit:hover {
            background: #c23152;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
            margin: 1rem 0 0.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
            transform: scale(1.08);
        }
        .rating-box .score-note {
            font-size: 0.9rem;
            color: #6b7280;
            margin-top: 0.3rem;
        }
        .site-footer {
            padding: 2rem 0 1.5rem;
            border-top: 2px solid #e8ecf4;
            margin-top: 2rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.5rem;
            margin-bottom: 0.4rem;
            font-weight: 500;
        }
        .copyright {
            font-size: 0.85rem;
            color: #6b7280;
            margin-top: 1.2rem;
            text-align: center;
            border-top: 1px solid #e8ecf4;
            padding-top: 1.2rem;
        }
        .copyright strong {
            color: #0f3460;
        }
        @media (max-width: 920px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 1.5rem 1.2rem;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            .container {
                padding: 1.2rem 1rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #fff;
                position: absolute;
                top: 100%;
                right: 0;
                left: 0;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
                border-radius: 0 0 16px 16px;
                padding: 1rem 0.5rem;
                z-index: 100;
                border: 1px solid #e8ecf4;
            }
            .nav-list.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                position: relative;
            }
            .site-header {
                position: relative;
            }
            .search-section {
                flex-direction: column;
                padding: 1.5rem 1.2rem;
                align-items: stretch;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interview-block {
                padding: 1.4rem 1.2rem;
            }
            .highlight-box {
                padding: 1.2rem 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.4rem;
            }
            .feedback-section {
                gap: 1.2rem;
            }
            .comment-box,
            .rating-box {
                padding: 1.2rem 1rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #6b7280;
            background: #f0f4ff;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            margin-bottom: 0.8rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 480px;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8ecf4;
        }
        .table-wrap th {
            background: #0f3460;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8f9fc;
        }
        .table-wrap tr:hover {
            background: #f0f4ff;
        }
        .tag {
            display: inline-block;
            background: #e94560;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .toc {
            background: #f0f4ff;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 1.6rem 0 2rem;
            border: 1px solid #dce3f0;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
            columns: 2;
            column-gap: 2rem;
        }
        .toc li {
            padding: 0.2rem 0;
            break-inside: avoid;
        }
        .toc li a {
            font-weight: 500;
        }
        .toc li a::before {
            content: "▸ ";
            color: #e94560;
            font-weight: 700;
        }
        @media (max-width: 600px) {
            .toc ul {
                columns: 1;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
