*,
        *::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, sans-serif;
            background: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
            border-radius: 24px;
            padding: 20px 28px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 12px 14px 30px;
                border-radius: 16px;
                margin-top: 8px;
            }
            body {
                padding: 0 8px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eef1f5;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #c0392b, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            font-size: 2rem;
            -webkit-text-fill-color: #c0392b;
            color: #c0392b;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            -webkit-text-fill-color: #4a5568;
            color: #4a5568;
            display: block;
            margin-top: -4px;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-bar a {
            padding: 6px 14px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #2c3e50;
            background: #f0f2f5;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-bar a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #2c3e50;
            padding: 4px 8px;
        }
        .nav-mobile {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 6px;
            padding: 12px 0 6px;
            border-top: 1px solid #eef1f5;
            margin-top: 10px;
        }
        .nav-mobile a {
            padding: 10px 16px;
            border-radius: 12px;
            font-weight: 500;
            background: #f7f9fc;
            color: #2c3e50;
        }
        .nav-mobile a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .nav-mobile.show {
            display: flex;
        }
        @media (max-width: 768px) {
            .nav-bar a:not(.hamburger) {
                display: none;
            }
            .hamburger {
                display: inline-block;
            }
        }
        @media (min-width: 769px) {
            .nav-mobile {
                display: none !important;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .breadcrumb a {
            color: #c0392b;
            font-weight: 500;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #aab;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0.6rem 0 1rem;
            color: #1a2634;
            letter-spacing: -0.3px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.2rem 0 0.8rem;
            padding-bottom: 6px;
            border-bottom: 3px solid #e74c3c;
            color: #1a2634;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 0.6rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.2rem 0 0.4rem;
            color: #34495e;
        }
        p {
            margin: 0.8rem 0 1.2rem;
            color: #2d3f50;
        }
        .lead {
            font-size: 1.15rem;
            font-weight: 400;
            color: #3d5166;
            border-left: 4px solid #e67e22;
            padding-left: 1.2rem;
            margin: 1rem 0 1.6rem;
        }
        @media (max-width: 640px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            h4 {
                font-size: 1rem;
            }
            .lead {
                font-size: 1rem;
            }
        }
        .highlight-box {
            background: #fef9f0;
            border-left: 5px solid #e67e22;
            padding: 16px 20px;
            border-radius: 12px;
            margin: 1.6rem 0;
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .tip {
            background: #eaf7f0;
            border-left: 5px solid #27ae60;
            padding: 14px 18px;
            border-radius: 12px;
            margin: 1.2rem 0;
        }
        .tip i {
            color: #27ae60;
            margin-right: 8px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 480px;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #eef1f5;
        }
        th {
            background: #1e2a3a;
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }
        tr:nth-child(even) {
            background: #f8fafc;
        }
        tr:hover td {
            background: #fef5e7;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #f0f2f5;
            text-align: center;
        }
        .feature-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-img figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #5a6a7a;
            background: #fafbfc;
            text-align: center;
            font-style: italic;
        }
        .search-section {
            background: #f7f9fc;
            padding: 24px 28px;
            border-radius: 16px;
            margin: 2rem 0;
            border: 1px solid #e8ecf0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 240px;
            padding: 12px 18px;
            border: 2px solid #dce2e8;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 12px 28px;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .search-form button i {
            font-size: 1rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #f7f9fc;
            border-radius: 16px;
            padding: 22px 24px;
            border: 1px solid #e8ecf0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 6px;
        }
        .feedback-card textarea {
            width: 100%;
            min-height: 100px;
            padding: 12px 16px;
            border: 2px solid #dce2e8;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card textarea:focus {
            border-color: #c0392b;
        }
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            padding: 10px 16px;
            border: 2px solid #dce2e8;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card input:focus {
            border-color: #c0392b;
        }
        .feedback-card button {
            padding: 12px 20px;
            background: #1e2a3a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .feedback-card button:hover {
            background: #2c3e50;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #dce2e8;
            cursor: pointer;
        }
        .star-rating i.active {
            color: #f1c40f;
        }
        .star-rating i:hover,
        .star-rating i.active~i {
            color: #f1c40f;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-section {
                padding: 16px 18px;
            }
        }
        friend-link {
            display: block;
            margin: 2rem 0 0.6rem;
            padding: 20px 24px;
            background: #f7f9fc;
            border-radius: 16px;
            border: 1px solid #e8ecf0;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 10px 0 0;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            padding: 4px 10px;
            border-radius: 20px;
            background: #edf0f5;
            font-size: 0.9rem;
            color: #2c3e50;
            transition: all 0.2s;
        }
        friend-link a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            margin-top: 2.4rem;
            padding-top: 1.6rem;
            border-top: 2px solid #eef1f5;
            text-align: center;
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .site-footer .copyright {
            font-weight: 500;
            padding: 8px 0 4px;
        }
        .site-footer .copyright i {
            color: #c0392b;
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .table-wrap table {
                font-size: 0.8rem;
                min-width: 360px;
            }
            th,
            td {
                padding: 8px 10px;
            }
            .feedback-card {
                padding: 16px;
            }
            .search-form input[type="text"] {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: #6a7a8a;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .badge {
            display: inline-block;
            background: #e74c3c;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge.green {
            background: #27ae60;
        }
        .badge.blue {
            background: #2980b9;
        }
        .schema-hidden {
            display: none;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: #5a6a7a;
            padding: 8px 0 4px;
            border-bottom: 1px dashed #dce2e8;
            margin-bottom: 0.8rem;
        }
        .last-updated i {
            color: #c0392b;
        }
        .hover-card {
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .hover-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }