:root {
            --primary: #d97706;
            --primary-dark: #b45309;
            --primary-soft: #fffbeb;
            --primary-glow: #fef3c7;
            --accent: #f59e0b;
            --accent-soft: #fff7ed;
            --text: #1e293b;
            --text-muted: #64748b;
            --bg: #fefce8;
            --card: #ffffff;
            --border: rgba(245, 158, 11, 0.18);
            --glass: rgba(255, 255, 255, 0.78);
            --shadow-sm: 0 1px 3px rgba(180, 83, 9, 0.05);
            --shadow-md: 0 6px 20px rgba(180, 83, 9, 0.09);
            --shadow-lg: 0 14px 36px rgba(180, 83, 9, 0.12);
            --radius: 14px;
            --radius-sm: 8px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 15px;
            scroll-padding-top: 80px;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(ellipse at 50% 0%, #fef9e7 0%, #fefce8 40%, #fdf6e3 100%);
            background-attachment: fixed;
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--glass);
            backdrop-filter: blur(18px) saturate(150%);
            -webkit-backdrop-filter: blur(18px) saturate(150%);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-container {
            max-width: 1240px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary-dark);
            text-decoration: none;
            letter-spacing: -0.3px;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.82;
        }
        .logo img {
            height: 30px;
            width: auto;
            display: block;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 24px;
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            font-size: 0.94rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: var(--primary-glow);
            color: var(--primary-dark);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(217, 119, 6, 0.3);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            max-width: 1240px;
            margin: 0 auto;
            padding: 14px 24px 0;
        }
        .breadcrumb {
            font-size: 0.84rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb .sep {
            color: #d4a96a;
            user-select: none;
        }

        /* Main layout */
        .container {
            max-width: 1240px;
            margin: 24px auto 50px;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2.8fr 1fr;
            gap: 36px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
                gap: 26px;
            }
        }
        @media (max-width: 640px) {
            .nav-container {
                flex-direction: column;
                gap: 8px;
                padding: 10px 14px;
            }
            .nav-links a {
                padding: 6px 11px;
                font-size: 0.83rem;
            }
            .container {
                padding: 0 10px;
                margin-top: 14px;
            }
            article {
                padding: 22px 16px !important;
            }
            article h1 {
                font-size: 1.6rem !important;
            }
        }

        /* Article */
        article {
            background: var(--card);
            padding: 38px 34px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        article h1 {
            font-size: 1.9rem;
            margin-bottom: 16px;
            color: #0f172a;
            line-height: 1.35;
            letter-spacing: -0.4px;
            position: relative;
            padding-bottom: 14px;
        }
        article h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
        article h2 {
            font-size: 1.36rem;
            margin: 34px 0 12px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            color: #1e293b;
            letter-spacing: -0.2px;
        }
        article h3 {
            font-size: 1.12rem;
            margin: 22px 0 9px;
            color: #334155;
            font-weight: 600;
        }
        article p {
            margin-bottom: 15px;
            color: #475569;
            text-align: justify;
            hyphens: auto;
        }
        article code {
            background: #fef3c7;
            padding: 2px 7px;
            border-radius: 4px;
            font-size: 0.88em;
            color: #92400e;
            font-family: "SF Mono", "Fira Code", monospace;
        }
        article pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 18px 20px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: 0.84rem;
            line-height: 1.6;
            margin: 16px 0;
            border: 1px solid #334155;
        }
        article pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
        }

        /* Download cards */
        .download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
            gap: 18px;
            margin: 24px 0;
        }
        .dl-card {
            background: #fafbfc;
            border: 2px solid #fef3c7;
            border-radius: var(--radius-sm);
            padding: 22px 16px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .dl-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 24px rgba(217, 119, 6, 0.15);
            transform: translateY(-3px);
        }
        .dl-card .platform-icon {
            font-size: 2.2rem;
            margin-bottom: 10px;
        }
        .dl-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: #1e293b;
            font-weight: 600;
        }
        .dl-card .version {
            font-size: 0.78rem;
            color: #92400e;
            background: #fffbeb;
            padding: 2px 10px;
            border-radius: 12px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .dl-btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition);
            box-shadow: 0 4px 10px rgba(217, 119, 6, 0.25);
        }
        .dl-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 14px rgba(180, 83, 9, 0.4);
            transform: translateY(-1px);
        }
        .dl-card .hash {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 8px;
            word-break: break-all;
            background: #f8fafc;
            padding: 4px 6px;
            border-radius: 4px;
            cursor: default;
        }

        /* Step Wizard */
        .step-wizard {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 24px 0;
            counter-reset: step;
        }
        .step-item {
            flex: 1 1 180px;
            background: #fffbeb;
            border-radius: var(--radius-sm);
            padding: 20px 15px;
            position: relative;
            border: 1px solid #fde68a;
            transition: all var(--transition);
        }
        .step-item:hover {
            border-color: var(--primary);
            background: #fff;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.82rem;
            box-shadow: 0 2px 8px rgba(217, 119, 6, 0.3);
        }
        .step-item h4 {
            margin-top: 6px;
            font-weight: 600;
            color: #1e293b;
        }
        .step-item p {
            font-size: 0.85rem;
            color: #64748b;
            margin: 0;
        }

        /* Tips box */
        .tip-box {
            background: #fff7ed;
            border-left: 4px solid var(--accent);
            padding: 16px 18px;
            border-radius: 6px;
            margin: 18px 0;
            font-size: 0.9rem;
            color: #7c2d12;
        }

        /* Aside */
        aside {
            display: flex;
            flex-direction: column;
            gap: 22px;
            position: sticky;
            top: 88px;
        }
        @media (max-width: 1024px) {
            aside {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 14px;
            }
            aside .widget {
                flex: 1 1 220px;
                min-width: 200px;
            }
        }
        .widget {
            background: var(--card);
            padding: 20px 18px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .widget h4 {
            font-size: 0.98rem;
            margin-bottom: 10px;
            color: #0f172a;
            border-bottom: 2px solid #fef3c7;
            padding-bottom: 7px;
            font-weight: 600;
        }
        .widget ul {
            list-style: none;
            padding-left: 0;
        }
        .widget li {
            margin-bottom: 9px;
        }
        .widget a {
            text-decoration: none;
            color: var(--text);
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-block;
        }
        .widget a:hover {
            color: var(--primary-dark);
        }
        .widget .tag {
            display: inline-block;
            background: var(--primary-glow);
            color: #92400e;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.77rem;
            font-weight: 500;
            margin: 2px 3px;
        }
        .widget .tag-accent {
            background: #fff7ed;
            color: #c2410c;
            font-weight: 600;
        }

        /* Footer */
        footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 38px 24px 18px;
            margin-top: 48px;
        }
        .footer-container {
            max-width: 1240px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 26px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand h5 {
            font-size: 1.02rem;
            color: #0f172a;
            margin-bottom: 7px;
        }
        .footer-brand p {
            font-size: 0.83rem;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-links h5 {
            font-size: 0.93rem;
            color: #0f172a;
            margin-bottom: 10px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.84rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-dark);
        }
        .footer-bottom {
            max-width: 1240px;
            margin: 20px auto 0;
            padding-top: 16px;
            border-top: 1px solid #fef3c7;
            text-align: center;
            font-size: 0.79rem;
            color: var(--text-muted);
        }