*,
        *::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, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f5f0;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b3541c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a3a12;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2rem;
            margin-top: 1.5rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 640px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem 1.5rem;
                margin-top: 0.8rem;
                border-radius: 16px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 1rem;
            border-bottom: 2px solid #e8e0d6;
            margin-bottom: 1.2rem;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #b3541c, #d4875a);
            -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: 2rem;
            -webkit-text-fill-color: #b3541c;
            color: #b3541c;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.2rem 0.8rem;
        }
        .nav-list li a {
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #2d2a24;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: #b3541c15;
            color: #b3541c;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #2d2a24;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0e8de;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fffcf8;
                padding: 1rem 0.5rem;
                border-radius: 16px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                margin-top: 0.8rem;
                border: 1px solid #ede5db;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
                display: block;
                border-radius: 12px;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            font-size: 0.85rem;
            color: #7a6f62;
            margin-bottom: 1.2rem;
            padding: 0.5rem 0;
            border-bottom: 1px dashed #e0d6ca;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #b9ab9a;
        }
        .breadcrumb a {
            color: #7a6f62;
        }
        .breadcrumb a:hover {
            color: #b3541c;
        }
        .breadcrumb .active {
            color: #2d2a24;
            font-weight: 600;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0.8rem 0 1.2rem;
            color: #1f1b16;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f0e8de;
            color: #2d2a24;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #3d352c;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem;
            color: #4d4237;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #4d4237;
            font-weight: 400;
            border-left: 4px solid #b3541c;
            padding-left: 1.2rem;
            margin: 1.5rem 0;
        }
        strong,
        b {
            color: #1f1b16;
        }
        .highlight {
            background: #fdf6ed;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .content-section {
            margin-bottom: 2.5rem;
        }
        .content-section ul,
        .content-section ol {
            margin: 0.8rem 0 1.5rem 1.8rem;
        }
        .content-section li {
            margin-bottom: 0.4rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #7a6f62;
            margin-top: 0.6rem;
            text-align: center;
            font-style: italic;
        }
        .insight-box {
            background: #f6f0e9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-left: 5px solid #b3541c;
        }
        .insight-box h4 {
            margin-top: 0;
            color: #b3541c;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #faf6f1;
            padding: 1.2rem;
            border-radius: 14px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede5db;
        }
        .stat-card i {
            font-size: 2rem;
            color: #b3541c;
            margin-bottom: 0.5rem;
        }
        .stat-card .number {
            font-size: 1.8rem;
            font-weight: 800;
            color: #2d2a24;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #7a6f62;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 2rem 0 1.5rem;
            max-width: 520px;
            background: #faf6f1;
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.5rem;
            border: 1px solid #e0d6ca;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 0 0 3px #b3541c30;
            border-color: #b3541c;
        }
        .search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.8rem 0;
            font-size: 1rem;
            outline: none;
            color: #2d2a24;
        }
        .search-form input::placeholder {
            color: #a99b8c;
        }
        .search-form button {
            background: #b3541c;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #7a3a12;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .feedback-card {
            background: #faf6f1;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            border: 1px solid #ede5db;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.4rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d6cdc0;
            border-radius: 12px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            outline: none;
            border-color: #b3541c;
            box-shadow: 0 0 0 3px #b3541c20;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #b3541c;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card .btn-submit:hover {
            background: #7a3a12;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d6cdc0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 0.6rem 1.2rem;
            margin: 1.5rem 0;
            padding: 0;
            list-style: none;
        }
        .link-list li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0.8rem;
            background: #faf6f1;
            border-radius: 12px;
            border: 1px solid #ede5db;
            transition: background 0.2s, transform 0.15s;
            font-weight: 500;
        }
        .link-list li a:hover {
            background: #f0e8de;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .link-list li a i {
            color: #b3541c;
            font-size: 1rem;
        }
        .site-footer {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e8e0d6;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 700px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }
        .footer-grid h4 {
            margin-top: 0;
            color: #2d2a24;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            color: #7a6f62;
            font-size: 0.95rem;
        }
        friend-link a:hover {
            color: #b3541c;
        }
        .copyright {
            text-align: center;
            padding: 1.2rem 0 0.5rem;
            font-size: 0.9rem;
            color: #7a6f62;
            border-top: 1px solid #e8e0d6;
        }
        .copyright strong {
            color: #2d2a24;
        }
        .last-updated {
            display: inline-block;
            background: #f0e8de;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #5a4f42;
            margin-bottom: 1rem;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .container {
                padding: 0.8rem;
            }
            .search-form {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.5rem;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
                padding: 0.6rem;
            }
            .search-form input {
                padding: 0.5rem 0.8rem;
                width: 100%;
            }
            .feedback-card {
                padding: 1rem 1.2rem;
            }
        }
        .nav-list {
            transition: opacity 0.25s ease;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #b3541c;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #ede5db;
            background: #fcfaf7;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f6efe7;
        }
        .schema-hidden {
            display: none;
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #b3541c;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            border: none;
            transition: background 0.2s, transform 0.2s;
            z-index: 99;
        }
        .scroll-top:hover {
            background: #7a3a12;
            transform: translateY(-3px);
        }
        @media (max-width: 640px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }