:root {
            --bg-deep: #08070f;
            --bg-elevated: #0d0b18;
            --bg-card: rgba(255, 255, 255, 0.035);
            --bg-card-hover: rgba(255, 255, 255, 0.065);
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-active: rgba(139, 92, 246, 0.4);
            --text-primary: #f5f3ff;
            --text-secondary: #b8b3cc;
            --text-muted: #77728f;
            --accent-primary: #8b5cf6;
            --accent-secondary: #a78bfa;
            --accent-glow: rgba(139, 92, 246, 0.3);
            --accent-cyan: #22d3ee;
            --accent-green: #34d399;
            --accent-amber: #fbbf24;
            --accent-rose: #fb7185;
            --accent-blue: #60a5fa;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1240px;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-family: var(--font-sans);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(8, 7, 15, 0.88);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(8, 7, 15, 0.97);
            border-bottom-color: rgba(139, 92, 246, 0.18);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        }
        .nav-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0.9rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }
        .logo-icon .shield-path {
            fill: var(--accent-primary);
        }
        .logo-icon .shield-check {
            stroke: var(--accent-cyan);
            stroke-width: 1.6;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
        }
        .logo-text .accent {
            color: var(--accent-secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 0.45rem 0.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #fff;
            background: var(--bg-card);
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(139, 92, 246, 0.16);
            box-shadow: inset 0 0 0 1px rgba(139, 92, 246, 0.35);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.1rem;
            background: var(--accent-primary);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--accent-secondary);
            box-shadow: 0 0 24px rgba(139, 92, 246, 0.5);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle svg {
            width: 24px;
            height: 24px;
            stroke: var(--text-primary);
            fill: none;
            stroke-width: 2;
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            padding: 5rem 0 4rem;
            overflow: hidden;
            background:
                radial-gradient(ellipse 75% 50% at 50% -8%, rgba(139, 92, 246, 0.16), transparent 70%),
                radial-gradient(ellipse 40% 30% at 82% 25%, rgba(34, 211, 238, 0.07), transparent 70%);
        }
        .hero-grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 56px 56px;
            pointer-events: none;
            mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 25%, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 25%, transparent 75%);
        }
        .hero-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1.08fr 0.92fr;
            gap: 3.5rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.38rem 1rem;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--accent-secondary);
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }
        .hero-badge .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(52, 211, 153, 0);
            }
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.04em;
            color: #fff;
            margin-bottom: 1.2rem;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin-bottom: 2rem;
            line-height: 1.75;
        }
        .hero-subtitle .emph {
            color: var(--text-primary);
            font-weight: 600;
            border-bottom: 2px solid rgba(139, 92, 246, 0.5);
            padding-bottom: 1px;
        }
        .hero-actions {
            display: flex;
            gap: 0.9rem;
            flex-wrap: wrap;
            margin-bottom: 2.2rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.78rem 1.6rem;
            background: var(--accent-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.92rem;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-secondary);
            box-shadow: 0 8px 32px rgba(139, 92, 246, 0.45);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.78rem 1.6rem;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 40px;
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 2.2rem;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .hero-stat-number .suffix {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-secondary);
        }
        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        /* Hero 可视化 */
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual-ring {
            position: relative;
            width: 370px;
            height: 370px;
            border-radius: 50%;
            background: radial-gradient(circle at center, rgba(139, 92, 246, 0.14) 0%, rgba(139, 92, 246, 0.03) 45%, transparent 70%);
            display: flex;
            align-items: center;
            justify-content: center;
            animation: float-slow 6s ease-in-out infinite;
        }
        @keyframes float-slow {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-14px);
            }
        }
        .hero-visual-ring::before,
        .hero-visual-ring::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-visual-ring::before {
            inset: -22px;
            border: 1px dashed rgba(139, 92, 246, 0.25);
            animation: spin-slow 28s linear infinite;
        }
        .hero-visual-ring::after {
            inset: -44px;
            border: 1px dotted rgba(34, 211, 238, 0.14);
            animation: spin-slow 40s linear infinite reverse;
        }
        @keyframes spin-slow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }
        .hero-lock-icon {
            width: 96px;
            height: 96px;
            background: rgba(139, 92, 246, 0.16);
            border: 2px solid rgba(139, 92, 246, 0.45);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 55px rgba(139, 92, 246, 0.3);
        }
        .hero-lock-icon svg {
            width: 44px;
            height: 44px;
            stroke: var(--accent-secondary);
            fill: none;
            stroke-width: 1.6;
        }
        .hero-floating-tag {
            position: absolute;
            padding: 0.5rem 1rem;
            background: rgba(14, 13, 26, 0.93);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-secondary);
            backdrop-filter: blur(10px);
            white-space: nowrap;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
        }
        .hero-floating-tag.tag-1 {
            top: 4%;
            right: -4%;
            color: var(--accent-cyan);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .hero-floating-tag.tag-2 {
            bottom: 8%;
            left: -7%;
            color: var(--accent-green);
            border-color: rgba(52, 211, 153, 0.3);
        }
        .hero-floating-tag.tag-3 {
            bottom: 22%;
            right: -2%;
            color: var(--accent-amber);
            border-color: rgba(251, 191, 36, 0.3);
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 5rem 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-elevated);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-secondary);
            background: rgba(139, 92, 246, 0.1);
            padding: 0.3rem 0.9rem;
            border-radius: 30px;
            margin-bottom: 1rem;
            border: 1px solid rgba(139, 92, 246, 0.2);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 0.9rem;
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ 安全架构层级图 ============ */
        .security-layers {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            max-width: 720px;
            margin: 0 auto 2.5rem;
        }
        .security-layer {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .security-layer:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
            transform: translateX(6px);
        }
        .security-layer .layer-badge {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .security-layer:nth-child(1) .layer-badge {
            background: var(--accent-primary);
        }
        .security-layer:nth-child(2) .layer-badge {
            background: var(--accent-cyan);
        }
        .security-layer:nth-child(3) .layer-badge {
            background: var(--accent-green);
        }
        .security-layer:nth-child(4) .layer-badge {
            background: var(--accent-amber);
        }
        .security-layer:nth-child(5) .layer-badge {
            background: var(--accent-rose);
        }
        .security-layer .layer-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
        }
        .security-layer .layer-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.45;
        }

        /* ============ 功能网格 ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 90px;
            height: 90px;
            background: radial-gradient(circle at bottom right, rgba(139, 92, 246, 0.08), transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-active);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.2);
        }
        .feature-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--accent-secondary);
            fill: none;
            stroke-width: 1.7;
        }
        .feature-card:nth-child(2) .feature-icon {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.2);
        }
        .feature-card:nth-child(2) .feature-icon svg {
            stroke: var(--accent-cyan);
        }
        .feature-card:nth-child(3) .feature-icon {
            background: rgba(52, 211, 153, 0.12);
            border-color: rgba(52, 211, 153, 0.2);
        }
        .feature-card:nth-child(3) .feature-icon svg {
            stroke: var(--accent-green);
        }
        .feature-card:nth-child(4) .feature-icon {
            background: rgba(251, 191, 36, 0.12);
            border-color: rgba(251, 191, 36, 0.2);
        }
        .feature-card:nth-child(4) .feature-icon svg {
            stroke: var(--accent-amber);
        }
        .feature-card:nth-child(5) .feature-icon {
            background: rgba(251, 113, 133, 0.12);
            border-color: rgba(251, 113, 133, 0.2);
        }
        .feature-card:nth-child(5) .feature-icon svg {
            stroke: var(--accent-rose);
        }
        .feature-card:nth-child(6) .feature-icon {
            background: rgba(96, 165, 250, 0.12);
            border-color: rgba(96, 165, 250, 0.2);
        }
        .feature-card:nth-child(6) .feature-icon svg {
            stroke: var(--accent-blue);
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        /* ============ 下载平台卡片 ============ */
        .platform-download-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }
        .platform-download-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.2rem;
            text-align: center;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }
        .platform-download-card:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
        }
        .platform-download-card .plat-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.5rem;
            background: rgba(139, 92, 246, 0.1);
            border: 1px solid rgba(139, 92, 246, 0.18);
        }
        .platform-download-card .plat-icon svg {
            width: 28px;
            height: 28px;
            stroke: var(--accent-secondary);
            fill: none;
            stroke-width: 1.7;
        }
        .platform-download-card:nth-child(2) .plat-icon {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.18);
        }
        .platform-download-card:nth-child(2) .plat-icon svg {
            stroke: var(--accent-cyan);
        }
        .platform-download-card:nth-child(3) .plat-icon {
            background: rgba(52, 211, 153, 0.1);
            border-color: rgba(52, 211, 153, 0.18);
        }
        .platform-download-card:nth-child(3) .plat-icon svg {
            stroke: var(--accent-green);
        }
        .platform-download-card:nth-child(4) .plat-icon {
            background: rgba(251, 191, 36, 0.1);
            border-color: rgba(251, 191, 36, 0.18);
        }
        .platform-download-card:nth-child(4) .plat-icon svg {
            stroke: var(--accent-amber);
        }
        .platform-download-card .plat-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
        }
        .platform-download-card .plat-version {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .platform-download-card .plat-badge {
            font-size: 0.65rem;
            background: rgba(139, 92, 246, 0.2);
            color: var(--accent-secondary);
            padding: 0.15rem 0.6rem;
            border-radius: 20px;
            font-weight: 600;
            margin-top: 0.3rem;
        }

        /* ============ 加密技术条 ============ */
        .crypto-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }
        .crypto-item {
            text-align: center;
            padding: 1.3rem 1rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .crypto-item:hover {
            border-color: var(--border-active);
            background: rgba(139, 92, 246, 0.06);
        }
        .crypto-item .crypto-symbol {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--accent-secondary);
            margin-bottom: 0.25rem;
            letter-spacing: -0.02em;
        }
        .crypto-item .crypto-name {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ 版本里程碑 ============ */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 0.5rem;
        }
        .timeline-item {
            padding: 1.4rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .timeline-item:hover {
            border-color: var(--border-active);
            transform: translateY(-2px);
        }
        .timeline-item .timeline-version {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-secondary);
            letter-spacing: 0.04em;
            margin-bottom: 0.3rem;
        }
        .timeline-item .timeline-date {
            font-size: 0.68rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .timeline-item .timeline-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ============ 场景双栏 ============ */
        .scene-duo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--accent-primary);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .scene-card:hover::before {
            opacity: 1;
        }
        .scene-card:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }
        .scene-card .scene-tag {
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
        }
        .scene-card:nth-child(2) .scene-tag {
            color: var(--accent-green);
        }
        .scene-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
        }
        .scene-card p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .scene-card .scene-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-secondary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition-fast);
        }
        .scene-card .scene-link:hover {
            gap: 0.6rem;
        }

        /* ============ GitHub 社区数据 ============ */
        .github-banner {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(34, 211, 238, 0.06) 50%, rgba(52, 211, 153, 0.06) 100%);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 2rem;
            align-items: center;
            margin-top: 2.5rem;
        }
        .github-icon-large {
            width: 64px;
            height: 64px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .github-icon-large svg {
            width: 36px;
            height: 36px;
            fill: var(--accent-secondary);
        }
        .github-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }
        .github-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .github-stats {
            display: flex;
            gap: 1.5rem;
        }
        .github-stat {
            text-align: center;
        }
        .github-stat .num {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
        }
        .github-stat .label {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* ============ 部署方案 ============ */
        .deploy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .deploy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            transition: all var(--transition-fast);
            text-align: center;
        }
        .deploy-card:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .deploy-card .deploy-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin: 0 auto 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.2);
        }
        .deploy-card .deploy-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--accent-secondary);
            fill: none;
            stroke-width: 1.7;
        }
        .deploy-card:nth-child(2) .deploy-icon {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.2);
        }
        .deploy-card:nth-child(2) .deploy-icon svg {
            stroke: var(--accent-cyan);
        }
        .deploy-card:nth-child(3) .deploy-icon {
            background: rgba(52, 211, 153, 0.12);
            border-color: rgba(52, 211, 153, 0.2);
        }
        .deploy-card:nth-child(3) .deploy-icon svg {
            stroke: var(--accent-green);
        }
        .deploy-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .deploy-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* ============ 用户评价 ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            transition: all var(--transition-fast);
        }
        .testimonial-card:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }
        .testimonial-stars {
            display: flex;
            gap: 0.15rem;
            margin-bottom: 0.7rem;
        }
        .testimonial-stars svg {
            width: 14px;
            height: 14px;
            fill: var(--accent-amber);
            stroke: none;
        }
        .testimonial-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.9rem;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .testimonial-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: #fff;
        }
        .testimonial-name {
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
        }
        .testimonial-role {
            font-size: 0.65rem;
            color: var(--text-muted);
        }

        /* ============ FAQ 预览 ============ */
        .faq-preview {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.9rem;
        }
        .faq-item {
            padding: 1.2rem 1.4rem;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-active);
            background: var(--bg-card-hover);
        }
        .faq-item h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.35rem;
        }
        .faq-item p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ CTA ============ */
        .cta-box {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(34, 211, 238, 0.1) 50%, rgba(139, 92, 246, 0.12) 100%);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(139, 92, 246, 0.06), transparent, rgba(34, 211, 238, 0.06), transparent);
            animation: cta-shimmer 12s linear infinite;
            pointer-events: none;
        }
        @keyframes cta-shimmer {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }
        .cta-box h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.025em;
            margin-bottom: 0.7rem;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 1.6rem;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            gap: 0.9rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #06050c;
            border-top: 1px solid var(--border-subtle);
            padding: 4rem 0 2rem;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .footer-brand .logo-text {
            font-size: 1.25rem;
            margin-bottom: 0.6rem;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-secondary);
        }
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--accent-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent-primary);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 2.5rem;
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-visual-ring {
                width: 300px;
                height: 300px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .platform-download-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .crypto-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .github-banner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .github-stats {
                justify-content: center;
            }
            .deploy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(8, 7, 15, 0.98);
                border-bottom: 1px solid var(--border-subtle);
                padding: 1rem 1.5rem;
                flex-direction: column;
                align-items: stretch;
                gap: 0.3rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 0.65rem 1rem;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cta-btn {
                display: none;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .platform-download-grid {
                grid-template-columns: 1fr 1fr;
            }
            .crypto-strip {
                grid-template-columns: 1fr 1fr;
            }
            .timeline-grid {
                grid-template-columns: 1fr;
            }
            .scene-duo {
                grid-template-columns: 1fr;
            }
            .deploy-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .faq-preview {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 480px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-stats {
                gap: 1.2rem;
                flex-direction: column;
                align-items: center;
            }
            .crypto-strip {
                grid-template-columns: 1fr;
            }
            .platform-download-grid {
                grid-template-columns: 1fr;
            }
            .github-banner {
                padding: 1.8rem 1.2rem;
            }
            .github-stats {
                gap: 0.8rem;
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-box {
                padding: 2rem 1.2rem;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
        }