*,
        *::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, sans-serif;
            background: #0b0b0e;
            color: #e8e6e3;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f59e0b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #fbbf24;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5f2ed;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: clamp(1.8rem, 4.5vw, 3.2rem);
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: clamp(1.4rem, 3vw, 2.2rem);
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 2px solid #f59e0b33;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.6rem);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: clamp(1rem, 1.6vw, 1.25rem);
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #fbbf24;
        }
        p {
            margin-bottom: 1.2rem;
            word-break: break-word;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.5rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong,
        b {
            color: #fbbf24;
            font-weight: 600;
        }
        hr {
            border: none;
            border-top: 1px solid #2a2a35;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #121216;
            border-bottom: 2px solid #f59e0b22;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            text-transform: uppercase;
            display: inline-block;
            padding: 0.2rem 0;
        }
        .my-logo small {
            font-size: 0.6rem;
            display: block;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            letter-spacing: 0.2em;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5f2ed;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f1f2a;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #d4d0c8;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #f59e0b18;
            color: #fbbf24;
            text-decoration: none;
        }
        .breadcrumbs {
            padding: 0.8rem 0 0.3rem;
            font-size: 0.85rem;
            color: #888;
        }
        .breadcrumbs a {
            color: #f59e0b;
        }
        .breadcrumbs a:hover {
            color: #fbbf24;
        }
        .breadcrumbs span.sep {
            margin: 0 0.4rem;
            color: #555;
        }
        .hero-image-wrap {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.12);
            background: #1a1a24;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .hero-image-wrap .img-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, #0b0b0ee0);
            padding: 1.5rem 1.2rem 0.8rem;
            font-size: 0.85rem;
            color: #ccc;
        }
        .search-section {
            background: #16161e;
            padding: 1.8rem 1.5rem;
            border-radius: 16px;
            margin: 2rem 0;
            border: 1px solid #2a2a38;
        }
        .search-section form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border-radius: 10px;
            border: 1px solid #3a3a4a;
            background: #0e0e14;
            color: #e8e6e3;
            font-size: 1rem;
            transition: border 0.2s;
        }
        .search-section input[type="text"]:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px #f59e0b22;
        }
        .search-section button {
            padding: 0.8rem 1.8rem;
            background: #f59e0b;
            border: none;
            border-radius: 10px;
            color: #0b0b0e;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #fbbf24;
            transform: scale(1.02);
        }
        .content-area {
            padding: 1rem 0 3rem;
            flex: 1;
        }
        .article-body {
            background: #101016;
            padding: 1.8rem 1.5rem;
            border-radius: 20px;
            border: 1px solid #1e1e2a;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #0e0e14;
            border-radius: 12px;
            overflow: hidden;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1e1e2a;
        }
        th {
            background: #1a1a26;
            color: #fbbf24;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #181822;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0 1rem;
        }
        @media (max-width:700px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #16161e;
            padding: 1.5rem;
            border-radius: 16px;
            border: 1px solid #24242f;
        }
        .card h3 {
            margin-top: 0;
            border-bottom: 1px solid #2a2a38;
            padding-bottom: 0.6rem;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .card form label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 0.3rem;
            color: #ccc;
        }
        .card form input,
        .card form textarea,
        .card form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #2e2e3e;
            background: #0c0c12;
            color: #e8e6e3;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            transition: border 0.2s;
        }
        .card form input:focus,
        .card form textarea:focus,
        .card form select:focus {
            outline: none;
            border-color: #f59e0b;
            box-shadow: 0 0 0 2px #f59e0b22;
        }
        .card form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .card form button {
            padding: 0.7rem 2rem;
            background: #f59e0b;
            border: none;
            border-radius: 10px;
            color: #0b0b0e;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            width: 100%;
        }
        .card form button:hover {
            background: #fbbf24;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin-bottom: 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f59e0b;
        }
        .site-footer {
            background: #0c0c12;
            border-top: 1px solid #1e1e2a;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width:700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-inner h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.05rem;
        }
        .footer-inner a {
            display: inline-block;
            margin-bottom: 0.4rem;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #aaa;
            border-left: 2px solid #f59e0b33;
            padding-left: 0.7rem;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #1a1a26;
            font-size: 0.85rem;
            color: #777;
        }
        .copyright strong {
            color: #aaa;
        }
        @media (max-width:780px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #121216;
                padding: 0.8rem 0;
                border-radius: 12px;
                border: 1px solid #2a2a38;
                margin-top: 0.4rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                width: 100%;
                border-radius: 0;
            }
            .header-inner {
                align-items: center;
            }
        }
        @media (max-width:480px) {
            .article-body {
                padding: 1.2rem 0.8rem;
            }
            .search-section {
                padding: 1.2rem 1rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                justify-content: center;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0b0e;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a2a3a;
            border-radius: 6px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #f59e0b44;
        }
        .badge {
            display: inline-block;
            background: #f59e0b18;
            color: #fbbf24;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid #f59e0b33;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .highlight-box {
            background: #1a1a26;
            border-left: 4px solid #f59e0b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .glossary-term {
            font-weight: 600;
            color: #fbbf24;
        }
        .emoji-lg {
            font-size: 1.3em;
        }