*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f4f2ed;
            color: #2c2b28;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7c2d12;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            color: #1e1b18;
            font-weight: 700;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1e1b18 0%, #2d2822 100%);
            padding: 0.75rem 0;
            border-bottom: 4px solid #d97706;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #fbbf24, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 10px rgba(251, 191, 36, 0.3);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #d97706;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fbbf24;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #e7e5e4;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #d97706;
            color: #1e1b18;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.3rem;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2d2822;
                padding: 1rem 0.5rem;
                border-radius: 1rem;
                margin-top: 0.5rem;
                gap: 0.3rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.6rem 1rem;
                border-radius: 0.5rem;
            }
            .header-inner {
                position: relative;
            }
        }
        .breadcrumb {
            background: #e7e5e4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d6d3d1;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.5rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #a8a29e;
        }
        .breadcrumb a {
            color: #57534e;
        }
        .breadcrumb .current {
            color: #b45309;
            font-weight: 600;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .article-card {
            background: #ffffff;
            border-radius: 1.5rem;
            padding: 2rem 1.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .article-card {
                padding: 3rem 3.5rem;
            }
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.5rem;
            color: #1e1b18;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.75rem;
            border-left: 5px solid #d97706;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            margin-bottom: 0.5rem;
            color: #44403c;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.5rem;
            margin-bottom: 0.3rem;
            color: #57534e;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .last-updated {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .feature-img {
            border-radius: 1rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.4rem;
            border-radius: 0.3rem;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.3rem;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .data-card {
            background: #faf7f2;
            border-radius: 1rem;
            padding: 1.2rem 1rem;
            text-align: center;
            border: 1px solid #e7e5e4;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .data-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #d97706;
        }
        .data-card .label {
            font-size: 0.85rem;
            color: #78716c;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .interview-block {
            background: #f0ede8;
            border-radius: 1.2rem;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-left: 6px solid #d97706;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            position: relative;
            padding-left: 1.5rem;
        }
        .interview-block .quote::before {
            content: "\201C";
            font-size: 3rem;
            color: #d97706;
            position: absolute;
            left: -0.5rem;
            top: -0.8rem;
            font-family: Georgia, serif;
        }
        .interview-block .author {
            font-weight: 600;
            margin-top: 0.8rem;
            color: #44403c;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            border: 1px solid #d6d3d1;
            text-align: left;
        }
        th {
            background: #1e1b18;
            color: #fbbf24;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #faf7f2;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin: 3rem 0 1rem;
        }
        @media (min-width: 768px) {
            .interaction-section {
                grid-template-columns: 1fr 1fr;
            }
            .interaction-section .full-width {
                grid-column: 1 / -1;
            }
        }
        .interaction-card {
            background: #ffffff;
            border-radius: 1.2rem;
            padding: 1.8rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e7e5e4;
        }
        .interaction-card h3 {
            margin-top: 0;
            border-left: none;
            padding-left: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d6d3d1;
            border-radius: 0.6rem;
            font-family: inherit;
            font-size: 0.95rem;
            background: #faf7f2;
            transition: border 0.2s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            outline: none;
            border-color: #d97706;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
        }
        .interaction-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #b45309;
            transform: scale(0.98);
            text-decoration: none;
            color: #fff;
        }
        .btn-secondary {
            background: #57534e;
        }
        .btn-secondary:hover {
            background: #44403c;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d6d3d1;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            margin-top: 2rem;
            padding: 1.5rem 0;
            border-top: 2px solid #e7e5e4;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        friend-link ul li a {
            color: #57534e;
            font-weight: 500;
            padding: 0.3rem 0.8rem;
            background: #f0ede8;
            border-radius: 2rem;
            font-size: 0.85rem;
            transition: background 0.2s, color 0.2s;
        }
        friend-link ul li a:hover {
            background: #d97706;
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            background: #1e1b18;
            color: #a8a29e;
            padding: 2rem 0;
            text-align: center;
            font-size: 0.85rem;
            border-top: 4px solid #d97706;
        }
        .site-footer a {
            color: #fbbf24;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .copyright {
            margin-top: 0.8rem;
            letter-spacing: 0.3px;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .article-card {
                padding: 1.2rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .my-logo {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 380px) {
            .data-grid {
                grid-template-columns: 1fr;
            }
        }
        .schema-hidden {
            display: none;
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }
        .spacer {
            height: 1rem;
        }
        .content-list li {
            margin-bottom: 0.5rem;
        }