*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --bg: #0b0e14;
            --surface: #141a24;
            --surface2: #1c2533;
            --primary: #f0b90b;
            --primary-dim: #c99a08;
            --accent: #d9411e;
            --text: #e8edf5;
            --text-dim: #9aa9b9;
            --text-muted: #6a7a8a;
            --border: #2a3647;
            --radius: 12px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 68px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            line-height: 1.7;
            min-height: 100vh;
            padding-top: var(--header-h);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #ffd966;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(11, 14, 20, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .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: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
            text-transform: uppercase;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: var(--primary);
        }
        .my-logo span {
            color: var(--text);
            font-weight: 300;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        nav a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-dim);
            letter-spacing: 0.3px;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 100%;
        }
        nav a:hover {
            color: var(--text);
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 8px;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: var(--primary);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb a {
            color: var(--text-dim);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-muted);
        }
        .hero {
            padding: 40px 0 24px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.15;
            color: var(--text);
            margin-bottom: 12px;
        }
        .hero h1 em {
            color: var(--primary);
            font-style: normal;
        }
        .hero .sub {
            font-size: 1.1rem;
            color: var(--text-dim);
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero .meta {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .hero .meta i {
            margin-right: 6px;
            color: var(--primary);
        }
        section {
            padding: 32px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin-bottom: 24px;
        }
        .section-title i {
            color: var(--primary);
            margin-right: 10px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .card p {
            color: var(--text-dim);
            font-size: 0.95rem;
        }
        .card .stat {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text);
            margin: 8px 0 4px;
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            font-size: 0.95rem;
        }
        .data-table th {
            background: var(--surface2);
            color: var(--primary);
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text-dim);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: rgba(240, 185, 11, 0.04);
        }
        .feature-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
        }
        .feature-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 12px 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            background: var(--surface);
            border-top: 1px solid var(--border);
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            padding: 8px 0 4px;
        }
        .link-list a {
            font-size: 0.92rem;
            color: var(--text-dim);
            border-bottom: 1px dashed var(--border);
            padding-bottom: 2px;
        }
        .link-list a:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 20px 0;
        }
        .interact-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
        }
        .interact-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text);
            font-size: 0.95rem;
            font-family: var(--font);
            transition: border 0.2s;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card button {
            background: var(--primary);
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .interact-card button:hover {
            background: var(--primary-dim);
            transform: scale(1.01);
        }
        .interact-card .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: var(--text-muted);
            cursor: pointer;
        }
        .interact-card .rating-stars i:hover,
        .interact-card .rating-stars i.active {
            color: var(--primary);
        }
        footer {
            border-top: 1px solid var(--border);
            padding: 40px 0 32px;
            margin-top: 40px;
            background: var(--surface);
        }
        footer .container {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        footer .footer-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 20px;
        }
        footer .footer-col h4 {
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 10px;
        }
        footer .footer-col a {
            display: block;
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-bottom: 6px;
        }
        footer .footer-col a:hover {
            color: var(--text);
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 12px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--text-dim);
        }
        friend-link a:hover {
            color: var(--primary);
        }
        .copyright {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
            padding-top: 12px;
        }
        .copyright strong {
            color: var(--text-dim);
        }
        @media (max-width: 900px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 14, 20, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 28px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
            }
            #nav-toggle:checked~.header-inner nav {
                transform: translateY(0);
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero .meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 14px;
            }
            .data-table-wrap {
                font-size: 0.82rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            footer .footer-row {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            :root {
                --header-h: 58px;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.2rem;
                padding-left: 12px;
            }
            .card {
                padding: 16px;
            }
            .interact-card {
                padding: 20px;
            }
        }
        .text-primary {
            color: var(--primary);
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .fw-700 {
            font-weight: 700;
        }
        .fs-small {
            font-size: 0.9rem;
            color: var(--text-dim);
        }
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }