*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #0b1a2e;
            --primary-light: #1a2f4a;
            --accent: #f3a43b;
            --accent-hover: #e08f1e;
            --text: #e8e6e3;
            --text-muted: #9aa8b9;
            --bg-card: #0f1f33;
            --bg-body: #060e18;
            --border: #1e3550;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --radius: 12px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            padding: 0.75rem 1.5rem;
            background: var(--accent);
            color: #000;
            font-weight: 700;
            border-radius: 0 0 8px 8px;
            z-index: 10000;
            transition: top 0.3s;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: var(--primary);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity var(--transition);
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            display: block;
            line-height: 1.2;
        }
        .my-logo .logo-main {
            display: flex;
            flex-direction: column;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-size: 1.4rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--accent);
            color: #000;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color var(--transition), color var(--transition);
        }
        .nav-menu a:hover,
        .nav-menu a:focus-visible {
            border-bottom-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: var(--primary-light);
            padding: 0.5rem 1.5rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--text-muted);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .main-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.5rem 3rem;
            flex: 1;
            width: 100%;
        }
        .hero {
            text-align: center;
            padding: 2.5rem 1rem 2rem;
            border-bottom: 1px solid var(--border);
            margin-bottom: 2.5rem;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, var(--accent), #f7c978);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .hero .subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero .last-updated {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 1rem;
            display: inline-block;
            background: var(--bg-card);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            border: 1px solid var(--border);
        }
        .search-section {
            max-width: 580px;
            margin: 1.5rem auto 2.5rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 60px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            transition: border-color var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--accent);
        }
        .search-form input[type="text"] {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.65rem 0;
            font-size: 1rem;
            color: var(--text);
            outline: none;
            min-width: 0;
        }
        .search-form input[type="text"]::placeholder {
            color: var(--text-muted);
            opacity: 0.7;
        }
        .search-form button {
            background: var(--accent);
            border: none;
            color: #000;
            font-weight: 600;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: background var(--transition), transform var(--transition);
        }
        .search-form button:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-top: 1.5rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: 6rem;
            align-self: start;
        }
        article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: var(--accent);
            border-bottom: 2px solid var(--border);
            padding-bottom: 0.4rem;
            line-height: 1.3;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #f0d69b;
            line-height: 1.3;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
            color: var(--text);
            line-height: 1.3;
        }
        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        article p strong {
            color: var(--accent);
            font-weight: 600;
        }
        article ul,
        article ol {
            margin: 1rem 0 1.5rem 1.8rem;
        }
        article li {
            margin-bottom: 0.5rem;
            font-size: 1.02rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--bg-card);
            padding: 0.5rem;
        }
        .featured-image img {
            border-radius: calc(var(--radius) - 4px);
            width: 100%;
        }
        .featured-image figcaption {
            text-align: center;
            padding: 0.6rem 0.5rem 0.3rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            font-style: italic;
        }
        .info-box {
            background: var(--bg-card);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 1.2rem 1.5rem;
            margin: 1.8rem 0;
            box-shadow: var(--shadow);
        }
        .info-box p:last-child {
            margin-bottom: 0;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.2rem 1.2rem 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.8rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 0.5rem;
        }
        .sidebar-link-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 0.35rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.92rem;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text);
        }
        .sidebar-link-list a:hover {
            color: var(--accent);
        }
        .sidebar-link-list a i {
            width: 1.1rem;
            color: var(--accent);
            font-size: 0.75rem;
        }
        .interaction-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .interaction-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .interaction-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interaction-card label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            background: var(--primary);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0.6rem 0.9rem;
            color: var(--text);
            font-size: 0.95rem;
            font-family: var(--font-sans);
            transition: border-color var(--transition);
            width: 100%;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: var(--accent);
            outline: none;
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card .btn-submit {
            background: var(--accent);
            color: #000;
            font-weight: 700;
            border: none;
            padding: 0.65rem 1.2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition);
            align-self: flex-start;
        }
        .interaction-card .btn-submit:hover {
            background: var(--accent-hover);
            transform: scale(1.02);
        }
        .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: 1.6rem;
            color: var(--border);
            cursor: pointer;
            transition: color var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--primary);
            border-top: 2px solid var(--border);
            padding: 2rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: var(--accent);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-top: 1.2rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            font-size: 0.9rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .copyright strong {
            color: var(--text);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0.5rem 1rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 0.75rem 0 0.3rem;
                gap: 0.3rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.5rem 0.8rem;
                border-radius: 6px;
                border-bottom: none;
            }
            .nav-menu a:hover {
                background: var(--primary-light);
                border-bottom: none;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero .subtitle {
                font-size: 0.95rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
                padding: 0.4rem 1rem;
            }
            .main-wrap {
                padding: 1.2rem 1rem 2rem;
            }
            article h2 {
                font-size: 1.5rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            .search-form {
                padding: 0.2rem 0.2rem 0.2rem 1rem;
            }
            .search-form button {
                padding: 0.45rem 1rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo .logo-sub {
                font-size: 0.6rem;
            }
            .sidebar-card {
                padding: 0.9rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-light);
        }
        @media print {
            .site-header,
            .breadcrumb-wrap,
            .search-section,
            .interaction-section,
            .site-footer {
                display: none !important;
            }
            body {
                background: #fff;
                color: #000;
            }
            .hero h1 {
                -webkit-text-fill-color: #000;
                background: none;
                color: #000;
            }
        }