        *,
        *::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', Arial, sans-serif;
            background: #f6f3f0;
            color: #1e1a1a;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b44a2e;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a2d1a;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1e1a1a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #e6c9b0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #b44a2e;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 0 0 6px 6px;
            z-index: 1000;
            font-weight: 600;
            text-decoration: none;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: #2a1d1a;
            color: #f0e6de;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 900;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f0e6de;
            text-decoration: none;
            background: linear-gradient(135deg, #f7c948, #e68a2e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f7c948;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #e6c9b0;
            color: #f0e6de;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.8rem;
        }
        .primary-nav a {
            color: #e6c9b0;
            text-decoration: none;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        .primary-nav a:hover,
        .primary-nav a:focus-visible {
            background: rgba(230, 201, 176, 0.15);
            color: #f7c948;
            outline: none;
        }
        .breadcrumb-nav {
            background: #f0e6de;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dccfc4;
        }
        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-nav li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a6a5e;
            font-weight: 600;
        }
        .breadcrumb-nav a {
            color: #7a2d1a;
            text-decoration: none;
        }
        .breadcrumb-nav a:hover {
            text-decoration: underline;
        }
        .breadcrumb-nav [aria-current="page"] {
            color: #1e1a1a;
            font-weight: 600;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding: 2rem 0 3rem;
        }
        @media (min-width: 860px) {
            .main-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        .article-content {
            background: #fff;
            border-radius: 12px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 80px;
        }
        @media (max-width: 859px) {
            .sidebar {
                position: static;
                margin-top: 0.5rem;
            }
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            margin-bottom: 1.8rem;
            flex-wrap: wrap;
        }
        .search-form input[type="search"] {
            flex: 1;
            min-width: 140px;
            padding: 0.7rem 1rem;
            border: 2px solid #dccfc4;
            border-radius: 8px;
            font-size: 1rem;
            background: #f9f6f3;
            transition: border-color 0.2s;
        }
        .search-form input[type="search"]:focus {
            border-color: #b44a2e;
            outline: none;
            background: #fff;
        }
        .search-form button {
            background: #b44a2e;
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 0.7rem 1.3rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #7a2d1a;
        }
        .featured-figure {
            margin: 1.8rem 0 2rem;
            border-radius: 12px;
            overflow: hidden;
            background: #f0e6de;
        }
        .featured-figure img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-figure figcaption {
            padding: 0.8rem 1.2rem;
            font-style: italic;
            font-size: 0.95rem;
            color: #4d3d33;
            background: #f0e6de;
        }
        .toc {
            background: #f9f6f3;
            border-left: 4px solid #b44a2e;
            padding: 1.2rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0 2rem;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
            columns: 1;
        }
        @media (min-width: 600px) {
            .toc ul {
                columns: 2;
                column-gap: 2rem;
            }
        }
        .toc li {
            margin-bottom: 0.25rem;
            break-inside: avoid;
        }
        .toc a {
            text-decoration: none;
            font-weight: 500;
            color: #4d3d33;
            display: inline-block;
            padding: 0.15rem 0;
        }
        .toc a:hover {
            color: #b44a2e;
            text-decoration: underline;
        }
        .interaction-section {
            background: #f9f6f3;
            border-radius: 12px;
            padding: 1.8rem 1.5rem;
            margin-top: 2.5rem;
            border: 1px solid #e6d9ce;
        }
        .interaction-section h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            margin: 0.6rem 0 1rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            color: #dccfc4;
            transition: color 0.15s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f7b731;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.25rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dccfc4;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #b44a2e;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-primary {
            background: #b44a2e;
            color: #fff;
            border: none;
            border-radius: 8px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn-primary:hover {
            background: #7a2d1a;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .sidebar h4 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #e6c9b0;
            padding-bottom: 0.4rem;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 1.5rem;
        }
        .sidebar-links li {
            margin-bottom: 0.3rem;
        }
        .sidebar-links a {
            text-decoration: none;
            font-weight: 500;
            padding: 0.3rem 0;
            display: block;
            border-bottom: 1px solid #f0e6de;
            transition: color 0.2s, padding-left 0.2s;
        }
        .sidebar-links a:hover {
            color: #7a2d1a;
            padding-left: 0.3rem;
        }
        .site-footer {
            background: #2a1d1a;
            color: #dccfc4;
            padding: 2rem 0 1.5rem;
            margin-top: auto;
            font-size: 0.95rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 700px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .site-footer a {
            color: #e6c9b0;
        }
        .site-footer a:hover {
            color: #f7c948;
        }
        friend-link {
            display: block;
            margin: 1rem 0 0.5rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4d3d33;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: #a08f80;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6a5a4e;
            margin: 0.2rem 0 1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        @media (max-width: 699px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 0.8rem 0 0.2rem;
                gap: 0.1rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                width: 100%;
                padding: 0.6rem 0.4rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
        }
        @media (min-width: 700px) {
            .nav-toggle {
                display: none !important;
            }
            .primary-nav {
                display: flex !important;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .article-content {
                padding: 1.2rem 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        :focus-visible {
            outline: 3px solid #f7c948;
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }
        .highlight-box {
            background: #fdf6ed;
            border-radius: 10px;
            padding: 1.2rem 1.5rem;
            border-left: 5px solid #e68a2e;
            margin: 1.5rem 0;
        }
        .insight-badge {
            display: inline-block;
            background: #b44a2e;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .schema-wrap {
            display: none;
        }
