*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #0d0b14;
            color: #e4e0eb;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #c9a86c;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #f0d49e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f5f0fa;
            margin-top: 0;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 0.75rem;
            border-bottom: 2px solid #2a2436;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.5rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.3rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #c9a86c;
            color: #0d0b14;
            padding: 0.6rem 1.2rem;
            font-weight: 600;
            z-index: 9999;
            transition: top 0.25s ease;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: #14111e;
            border-bottom: 1px solid #2a2436;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 1.2rem;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #f0d49e, #c9a86c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #c9a86c;
            font-size: 1.4rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid #3a3248;
            color: #e4e0eb;
            font-size: 1.4rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a2436;
        }
        .primary-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .primary-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.3rem 0;
            position: relative;
            color: #c9b89a;
        }
        .primary-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: #c9a86c;
            transition: width 0.3s ease;
        }
        .primary-nav a:hover::after,
        .primary-nav a:focus-visible::after {
            width: 100%;
        }
        .primary-nav a.active {
            color: #f0d49e;
        }
        .primary-nav a.active::after {
            width: 100%;
        }
        .breadcrumb-wrap {
            background: #1a1625;
            padding: 0.5rem 0;
            border-bottom: 1px solid #2a2436;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap nav ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6a5f7a;
            font-weight: 600;
        }
        .breadcrumb-wrap a {
            color: #a89bb8;
        }
        .breadcrumb-wrap a:hover {
            color: #f0d49e;
        }
        .breadcrumb-wrap [aria-current="page"] {
            color: #e4e0eb;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #1a1625 0%, #0d0b14 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #2a2436;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.8rem;
        }
        .hero p {
            font-size: 1.1rem;
            color: #b8aec8;
            max-width: 540px;
        }
        .hero-img {
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
        }
        .hero-img:hover {
            transform: scale(1.01);
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.9);
        }
        .search-section {
            background: #1a1625;
            padding: 1.5rem 0;
            border-bottom: 1px solid #2a2436;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 580px;
            margin: 0 auto;
        }
        .search-form input[type="search"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 1px solid #3a3248;
            border-radius: 8px;
            background: #0d0b14;
            color: #e4e0eb;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s, box-shadow 0.3s;
        }
        .search-form input[type="search"]:focus {
            border-color: #c9a86c;
            box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.2);
        }
        .search-form button {
            padding: 0.7rem 1.4rem;
            background: #c9a86c;
            border: none;
            border-radius: 8px;
            color: #0d0b14;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #e0c080;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .main-content {
            flex: 1;
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2.5rem;
        }
        .article-body {
            background: #14111e;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            border: 1px solid #2a2436;
        }
        .article-body figure {
            margin: 1.8rem 0;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-body figure img {
            width: 100%;
        }
        .article-body figure figcaption {
            font-size: 0.85rem;
            color: #a89bb8;
            padding: 0.6rem 0.2rem 0;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #14111e;
            border-radius: 16px;
            padding: 1.6rem 1.5rem;
            border: 1px solid #2a2436;
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            margin-top: 0;
            border-bottom: 1px solid #2a2436;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.3rem 0;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            width: 1.1rem;
            color: #c9a86c;
            font-size: 0.85rem;
        }
        .interaction-area {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px solid #2a2436;
        }
        .rating-form,
        .comment-form {
            background: #1a1625;
            padding: 1.5rem 1.8rem;
            border-radius: 12px;
            margin-bottom: 1.8rem;
            border: 1px solid #2a2436;
        }
        .rating-form h3,
        .comment-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.15rem;
            margin: 0.6rem 0 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #4a3f5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f0c040;
        }
        .rating-form button,
        .comment-form button {
            padding: 0.6rem 1.5rem;
            background: #c9a86c;
            border: none;
            border-radius: 8px;
            color: #0d0b14;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            font-size: 0.95rem;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #e0c080;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #3a3248;
            border-radius: 8px;
            background: #0d0b14;
            color: #e4e0eb;
            font-size: 0.95rem;
            font-family: inherit;
            min-height: 100px;
            resize: vertical;
            outline: none;
            transition: border 0.3s;
            margin-bottom: 0.8rem;
        }
        .comment-form textarea:focus {
            border-color: #c9a86c;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 0.6rem 1rem;
            border: 1px solid #3a3248;
            border-radius: 8px;
            background: #0d0b14;
            color: #e4e0eb;
            font-size: 0.95rem;
            outline: none;
            margin-bottom: 0.8rem;
            transition: border 0.3s;
        }
        .comment-form input[type="text"]:focus {
            border-color: #c9a86c;
        }
        .site-footer {
            background: #14111e;
            border-top: 1px solid #2a2436;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f0d49e;
            margin-bottom: 0.6rem;
            font-size: 1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            padding: 0.15rem 0;
        }
        .footer-grid ul li a {
            font-size: 0.9rem;
            color: #a89bb8;
        }
        .footer-grid ul li a:hover {
            color: #f0d49e;
        }
        .footer-bottom {
            border-top: 1px solid #2a2436;
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #6a5f7a;
        }
        .footer-bottom .copyright {
            color: #8a7f9a;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            align-items: center;
        }
        friend-link a {
            font-size: 0.9rem;
            color: #a89bb8;
        }
        friend-link a:hover {
            color: #f0d49e;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero p {
                margin: 0 auto;
            }
            .hero-img {
                margin-top: 1rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-block;
            }
            .primary-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 0.8rem 0 0.4rem;
                gap: 0.4rem;
                border-top: 1px solid #2a2436;
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.5rem 0;
                font-size: 1rem;
            }
            .header-inner {
                padding: 0.6rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.8rem;
                text-align: center;
            }
            friend-link {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                padding: 1rem;
            }
            .rating-form,
            .comment-form {
                padding: 1rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: #8a7f9a;
            background: #1a1625;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            border: 1px solid #2a2436;
        }
        .highlight {
            color: #f0d49e;
            font-weight: 600;
        }
        .accent-border {
            border-left: 3px solid #c9a86c;
            padding-left: 1rem;
        }
        .emoji-lg {
            font-size: 1.3em;
            line-height: 1;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #2a2436;
            text-align: left;
        }
        table th {
            background: #1a1625;
            color: #f0d49e;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #1a1625;
        }
        .toc {
            background: #1a1625;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid #2a2436;
        }
        .toc ol {
            margin: 0.5rem 0 0 1.2rem;
            columns: 2;
            column-gap: 2rem;
        }
        .toc ol li {
            padding: 0.15rem 0;
            break-inside: avoid;
        }
        .toc ol li a {
            color: #b8aec8;
        }
        .toc ol li a:hover {
            color: #f0d49e;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }
        :focus-visible {
            outline: 2px solid #c9a86c;
            outline-offset: 2px;
            border-radius: 4px;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }