*,
        *::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: #faf8f5;
            color: #1e1e2a;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c25a2e;
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #9a4422;
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 3px solid #c25a2e;
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #1a1a2e;
            word-break: break-word;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.9rem;
            margin-top: 2.8rem;
            margin-bottom: 0.8rem;
            border-bottom: 3px solid #e8d5c4;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.25rem;
            margin-top: 1.5rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        :root {
            --primary: #c25a2e;
            --primary-dark: #9a4422;
            --secondary: #1e3a5f;
            --accent: #f9a826;
            --bg-cream: #faf8f5;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text-dark: #1e1e2a;
            --text-muted: #5a5a6e;
            --border-light: #e8ddd0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
            --radius: 14px;
            --radius-sm: 8px;
            --font-display: 'Segoe UI', system-ui, sans-serif;
        }
        .site-header {
            background: var(--bg-dark);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f9a826, #c25a2e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none !important;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9a826;
            font-size: 1.6rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.85);
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            text-decoration: none;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            padding: 0.8rem 0 0.4rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #bbb;
            font-size: 0.7rem;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2a4e 50%, #1e3a5f 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .hero h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 0.6rem;
            letter-spacing: -0.5px;
        }
        .hero .subtitle {
            font-size: 1.15rem;
            opacity: 0.85;
            max-width: 720px;
            margin-bottom: 0.8rem;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            opacity: 0.7;
            margin-top: 0.6rem;
        }
        .hero .meta-info i {
            margin-right: 0.3rem;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            transition: box-shadow 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
        }
        .search-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(194, 90, 46, 0.15);
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 700px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .interaction-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.8rem 2rem;
            box-shadow: var(--shadow-sm);
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(194, 90, 46, 0.1);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn-submit {
            padding: 0.7rem 2rem;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-submit:hover {
            background: #152d4a;
        }
        .btn-submit:active {
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9a826;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            background: #f5f0eb;
            font-style: italic;
        }
        .toc {
            background: #f5f0eb;
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            margin-bottom: 2rem;
            border-left: 5px solid var(--primary);
        }
        .toc h2 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.3rem;
        }
        .toc ul {
            list-style: none;
            padding-left: 0;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .toc a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 0.8rem;
            margin: 1.2rem 0;
        }
        .link-grid a {
            background: #f5f0eb;
            padding: 0.6rem 1rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: background 0.2s, transform 0.1s;
        }
        .link-grid a:hover {
            background: #e8d5c4;
            transform: translateY(-1px);
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            padding: 0;
        }
        friend-link .friend-list li a {
            color: var(--primary);
            font-weight: 500;
        }
        friend-link .friend-list li a:hover {
            text-decoration: underline;
        }
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            flex-shrink: 0;
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
        }
        .site-footer .copyright a {
            color: #f9a826;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.5rem;
            justify-content: center;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: flex;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(26, 26, 46, 0.98);
                padding: 1rem 0.5rem;
                border-radius: var(--radius-sm);
                margin-top: 0.6rem;
                gap: 0.1rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .card {
                padding: 1.2rem 1.2rem;
            }
            .search-section {
                padding: 1.2rem;
            }
            .interaction-card {
                padding: 1.2rem;
            }
            .toc {
                padding: 1rem 1.2rem;
            }
            .toc ul {
                columns: 1;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero .subtitle {
                font-size: 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form button {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-highlight {
            background: linear-gradient(to right, #f9a82620, #c25a2e20);
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            background: #f5f0eb;
            padding: 0.3rem 1rem;
            border-radius: 20px;
        }
        .emoji-lg {
            font-size: 1.3em;
        }
        .content-highlight {
            background: #fdf6ed;
            border-left: 4px solid var(--accent);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.2rem 0;
        }
        .content-highlight p:last-child {
            margin-bottom: 0;
        }