*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --bg: #0f0e17;
            --surface: #1a1a2e;
            --surface2: #16213e;
            --primary: #f9a826;
            --primary-hover: #ffbe4d;
            --accent: #e94560;
            --text: #fffffe;
            --text-muted: #a7a9be;
            --border: #2a2a4a;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            --max-width: 1120px;
            --header-h: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        ::selection {
            background: var(--primary);
            color: #0f0e17;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--surface);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 400;
            -webkit-text-fill-color: var(--text-muted);
            color: var(--text-muted);
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-list {
            display: flex;
            gap: 8px;
            list-style: none;
            align-items: center;
        }
        .nav-list a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.3s;
            white-space: nowrap;
        }
        .nav-list a:hover,
        .nav-list a.active {
            background: var(--primary);
            color: #0f0e17;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 110;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--text);
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumbs {
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
        }
        .breadcrumbs a {
            color: var(--text-muted);
        }
        .breadcrumbs a:hover {
            color: var(--primary);
        }
        .breadcrumbs .sep {
            color: var(--border);
        }
        .breadcrumbs .current {
            color: var(--primary);
            font-weight: 500;
        }
        .hero {
            padding: 40px 0 20px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff 30%, var(--primary) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            align-items: center;
        }
        .hero .meta i {
            color: var(--primary);
            margin-right: 6px;
        }
        .last-updated {
            font-weight: 600;
            color: var(--text);
        }
        .content {
            padding: 20px 0 60px;
        }
        .content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 48px 0 16px;
            color: var(--primary);
            border-left: 5px solid var(--accent);
            padding-left: 18px;
        }
        .content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 36px 0 12px;
            color: var(--text);
        }
        .content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--text-muted);
        }
        .content p {
            margin-bottom: 18px;
            color: var(--text);
            max-width: 75ch;
        }
        .content p+ul,
        .content p+ol {
            margin-top: -10px;
        }
        .content ul,
        .content ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-muted);
        }
        .content li {
            margin-bottom: 6px;
        }
        .content strong {
            color: #fff;
            font-weight: 700;
        }
        .content em {
            color: var(--primary);
            font-style: italic;
        }
        .content .highlight-box {
            background: var(--surface2);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--surface);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: var(--surface);
            border-top: 1px solid var(--border);
        }
        .search-section {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin: 32px 0;
            border: 1px solid var(--border);
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 999px;
            border: 2px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 14px 32px;
            border-radius: 999px;
            border: none;
            background: var(--primary);
            color: #0f0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-hover);
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .feedback-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 32px;
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card label {
            font-weight: 500;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border);
            background: var(--bg);
            color: var(--text);
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: var(--font);
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            border-radius: 999px;
            border: none;
            background: var(--primary);
            color: #0f0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: var(--primary-hover);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: var(--border);
            cursor: pointer;
            direction: rtl;
        }
        .star-rating i {
            transition: color 0.2s;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: var(--primary);
        }
        .friend-links-section {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin: 40px 0 20px;
            border: 1px solid var(--border);
        }
        .friend-links-section h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary);
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            display: inline-block;
            padding: 6px 0;
            color: var(--text-muted);
            border-bottom: 1px dashed var(--border);
            transition: all 0.3s;
        }
        friend-link a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 32px 0 24px;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
            text-align: center;
        }
        footer .copyright {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        footer .copyright strong {
            color: var(--primary);
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .content h2 {
                font-size: 1.6rem;
            }
            .content h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 0;
                right: -320px;
                width: 280px;
                height: 100vh;
                background: var(--surface2);
                flex-direction: column;
                padding: 80px 28px 40px;
                gap: 6px;
                box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
                transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 105;
                overflow-y: auto;
                border-left: 1px solid var(--border);
            }
            .nav-list.open {
                right: 0;
            }
            .nav-list a {
                font-size: 1.1rem;
                padding: 12px 18px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                backdrop-filter: blur(4px);
                z-index: 100;
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.35s;
            }
            .nav-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: unset;
            }
            .feedback-card {
                padding: 20px;
            }
            .search-section {
                padding: 20px;
            }
            .friend-links-section {
                padding: 20px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .content h2 {
                font-size: 1.3rem;
                padding-left: 12px;
            }
            .content p {
                font-size: 0.95rem;
            }
            .breadcrumbs {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        :target {
            scroll-margin-top: calc(var(--header-h) + 20px);
        }