*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --secondary: #f59e0b;
            --accent: #ec4899;
            --bg-light: #fdf2f8;
            --bg-dark: #1e1b4b;
            --text-dark: #1e1b4b;
            --text-light: #f8fafc;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --card-bg: #ffffff;
            --shadow: 0 4px 24px rgba(124, 58, 237, 0.10);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 1.0625rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2d1b69 100%);
            color: var(--text-light);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 20px;
        }
        .my-logo {
            font-size: 1.65rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: opacity var(--transition);
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none;
            color: #fff;
        }
        .my-logo span {
            background: linear-gradient(to right, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 6px 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 40px;
            transition: background var(--transition), color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a:hover,
        .nav-list a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .nav-list a i {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: border-color var(--transition);
        }
        .hamburger:hover {
            border-color: var(--secondary);
        }
        .nav-checkbox {
            display: none;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 10px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: rgba(255, 255, 255, 0.35);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb .current {
            color: var(--secondary);
            font-weight: 600;
        }
        .main-content {
            padding: 48px 0 64px;
        }
        .hero {
            text-align: center;
            padding: 32px 0 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 16px;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 20px 40px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .hero-meta i {
            margin-right: 6px;
            color: var(--primary-light);
        }
        .section {
            margin-bottom: 56px;
        }
        .section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 16px;
            padding-bottom: 8px;
            border-bottom: 4px solid var(--primary-light);
            display: inline-block;
            color: var(--bg-dark);
        }
        .section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: var(--primary-dark);
        }
        .section h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: var(--text-dark);
        }
        .section p {
            margin-bottom: 16px;
            max-width: 780px;
        }
        .section p.lead {
            font-size: 1.15rem;
            color: var(--text-muted);
        }
        .section ul,
        .section ol {
            margin: 12px 0 20px 24px;
        }
        .section li {
            margin-bottom: 6px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 24px 0;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(124, 58, 237, 0.15);
        }
        .card i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .card h4 {
            margin: 0 0 8px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #f1e6ff;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.85);
            border-top: 1px solid var(--border);
        }
        .interview-block {
            background: linear-gradient(135deg, #faf5ff, #fdf2f8);
            border-left: 6px solid var(--primary);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 28px 28px 28px 36px;
            margin: 32px 0;
        }
        .interview-block p {
            font-style: italic;
        }
        .interview-block .attribution {
            font-style: normal;
            font-weight: 600;
            margin-top: 8px;
            color: var(--primary-dark);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .data-table th,
        .data-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .data-table th {
            background: var(--bg-dark);
            color: var(--text-light);
            font-weight: 600;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f8f4ff;
        }
        .search-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin: 40px 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition);
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin: 0 0 16px;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card textarea,
        .feedback-card select,
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border-color var(--transition);
            resize: vertical;
        }
        .feedback-card textarea:focus,
        .feedback-card select:focus,
        .feedback-card input[type="number"]:focus {
            border-color: var(--primary);
        }
        .feedback-card .btn-submit {
            align-self: flex-start;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-dark);
        }
        .star-display {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #facc15;
        }
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 40px 0 24px;
            font-size: 0.9rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px 48px;
        }
        @media (max-width: 640px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 0;
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: var(--bg-dark);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 20px 24px;
                border-radius: 0 0 16px 16px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-list a {
                padding: 10px 16px;
                font-size: 1rem;
            }
            .hamburger {
                display: block;
            }
            .nav-checkbox:checked~.nav-list {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section h2 {
                font-size: 1.6rem;
            }
            .section h3 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 16px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.25rem;
            }
            .my-logo span {
                font-size: 1.1rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 10px 10px;
            }
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .badge {
            display: inline-block;
            background: var(--primary-light);
            color: #fff;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        hr {
            border: none;
            border-top: 2px solid var(--border);
            margin: 40px 0;
        }