:root {
            --bg: #080d18;
            --bg-elevated: #0f1522;
            --bg-card: #141b2c;
            --bg-card-hover: #1a2338;
            --border: rgba(255, 255, 255, 0.06);
            --border-strong: rgba(255, 255, 255, 0.12);
            --amber: #e8945a;
            --amber-light: #f0b080;
            --amber-soft: rgba(232, 148, 90, 0.12);
            --amber-glow: rgba(232, 148, 90, 0.05);
            --cream: #f0ebe0;
            --cream-muted: #c8c0b4;
            --text: #e8e4db;
            --text-secondary: #a09b90;
            --text-muted: #6e6a62;
            --accent-indigo: #7b8fdb;
            --accent-indigo-soft: rgba(123, 143, 219, 0.12);
            --accent-teal: #4db8a0;
            --accent-teal-soft: rgba(77, 184, 160, 0.12);
            --font-display: 'Instrument Serif', Georgia, serif;
            --font-body: 'Source Serif 4', Georgia, serif;
            --font-mono: 'DM Mono', 'Courier New', monospace;
        }

        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 2.5rem;
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 13, 24, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--cream);
            letter-spacing: -0.01em;
        }
        .logo em {
            color: var(--amber);
            font-style: italic;
        }
        .site-nav ul {
            display: flex;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .site-nav a {
            font-family: var(--font-mono);
            font-size: 0.76rem;
            color: var(--text-muted);
            padding: 0.45rem 0.9rem;
            border-radius: 6px;
            transition: all 0.2s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .site-nav a:hover {
            color: var(--cream);
            background: rgba(255, 255, 255, 0.03);
        }
        .site-nav a[aria-current="page"] {
            color: var(--amber);
            background: var(--amber-soft);
        }
        main {
            position: relative;
            z-index: 1;
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 5rem 0 4rem;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -12%;
            right: -8%;
            width: 650px;
            height: 650px;
            background: radial-gradient(circle, rgba(232, 148, 90, 0.05) 0%, transparent 58%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -8%;
            left: -12%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(123, 143, 219, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text {
            opacity: 0;
            animation: fadeUp 0.7s ease 0.1s forwards;
        }
        .hero-overline {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--amber);
            letter-spacing: 0.22em;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .hero-overline::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--amber);
        }
        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(3.8rem, 8vw, 6.5rem);
            font-weight: 400;
            line-height: 0.95;
            letter-spacing: -0.03em;
            color: var(--cream);
            margin-bottom: 0.4rem;
        }
        .hero h1 em {
            font-style: italic;
            color: var(--amber);
        }
        .hero-tagline {
            font-family: var(--font-display);
            font-size: clamp(1rem, 1.8vw, 1.3rem);
            font-style: italic;
            color: var(--cream-muted);
            margin-bottom: 1.5rem;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.2s forwards;
        }
        .hero-description {
            font-size: 0.98rem;
            color: var(--text-secondary);
            max-width: 440px;
            margin-bottom: 2rem;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.3s forwards;
        }
        .hero-actions {
            display: flex;
            gap: 0.85rem;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeUp 0.7s ease 0.4s forwards;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            border-radius: 6px;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--amber);
            color: #0a0f1a;
        }
        .btn-primary:hover {
            background: var(--amber-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(232, 148, 90, 0.22);
        }
        .btn-outline {
            background: transparent;
            color: var(--cream-muted);
            border: 1px solid var(--border-strong);
        }
        .btn-outline:hover {
            border-color: var(--amber);
            color: var(--amber);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 0.45rem 1rem;
            font-size: 0.68rem;
            letter-spacing: 0.04em;
        }
        .hero-right {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            animation: fadeUp 0.8s ease 0.35s forwards;
        }
        .hero-terminal {
            width: 100%;
            max-width: 460px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-strong);
            border-radius: 12px;
            overflow: hidden;
        }
        .terminal-header {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.1rem;
            border-bottom: 1px solid var(--border);
        }
        .terminal-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .terminal-dot:nth-child(1) {
            background: #e8945a;
        }
        .terminal-dot:nth-child(2) {
            background: #7b8fdb;
        }
        .terminal-dot:nth-child(3) {
            background: #4db8a0;
        }
        .terminal-title {
            flex: 1;
            text-align: center;
            font-family: var(--font-mono);
            font-size: 0.68rem;
            color: var(--text-muted);
        }
        .terminal-body {
            padding: 1.4rem;
            font-family: var(--font-mono);
            font-size: 0.74rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .terminal-body .prompt {
            color: var(--amber);
        }
        .terminal-body .cmd {
            color: var(--cream);
        }
        .terminal-body .output {
            color: var(--text-muted);
        }
        .terminal-body .success {
            color: var(--accent-teal);
        }
        .terminal-body .highlight {
            color: var(--accent-indigo);
        }

        /* Device Selector Table */
        .device-selector {
            padding: 0 0 5rem;
            position: relative;
            z-index: 1;
        }
        .device-table-wrap {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
        }
        .device-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-mono);
            font-size: 0.78rem;
        }
        .device-table thead th {
            background: var(--bg-card);
            color: var(--text-muted);
            font-weight: 500;
            padding: 1rem 1.5rem;
            text-align: left;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-size: 0.68rem;
            border-bottom: 1px solid var(--border);
        }
        .device-table tbody td {
            padding: 1.1rem 1.5rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
            vertical-align: middle;
        }
        .device-table tbody tr {
            transition: background 0.25s ease;
        }
        .device-table tbody tr:hover {
            background: var(--bg-card-hover);
        }
        .device-table tbody tr:last-child td {
            border-bottom: none;
        }
        .device-name {
            color: var(--cream);
            font-weight: 500;
        }
        .status-badge {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            border-radius: 4px;
            font-size: 0.66rem;
            letter-spacing: 0.04em;
            font-family: var(--font-mono);
        }
        .status-stable {
            background: var(--accent-teal-soft);
            color: var(--accent-teal);
        }
        .status-recommended {
            background: var(--amber-soft);
            color: var(--amber);
        }
        .device-table a {
            color: var(--accent-indigo);
            font-weight: 500;
            transition: color 0.2s;
        }
        .device-table a:hover {
            color: #a0b0f0;
            text-decoration: underline;
        }

        /* Stats Bar */
        .stats-bar {
            padding: 4rem 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 1.5rem;
            position: relative;
        }
        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 18%;
            height: 64%;
            width: 1px;
            background: var(--border);
        }
        .stat-value {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 400;
            color: var(--amber);
            line-height: 1.1;
            margin-bottom: 0.2rem;
        }
        .stat-label {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        /* About Clash SEO Section */
        .about-clash {
            padding: 6rem 0;
        }
        .about-clash .section-header {
            margin-bottom: 3rem;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }
        .about-content {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 2;
        }
        .about-content p {
            margin-bottom: 1.2rem;
        }
        .about-content strong {
            color: var(--cream);
            font-weight: 500;
        }
        .about-content .kw-natural {
            color: var(--amber);
            font-weight: 500;
        }
        .about-visual {
            position: sticky;
            top: 100px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .about-visual-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.8rem 1rem;
            background: var(--bg-card);
            border-radius: 8px;
            border-left: 2px solid var(--amber);
            font-family: var(--font-mono);
            font-size: 0.72rem;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }
        .about-visual-item:hover {
            border-left-color: var(--accent-teal);
            background: var(--bg-card-hover);
            color: var(--cream);
        }
        .about-visual-item .protocol-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .protocol-dot.ss {
            background: #6b8cff;
        }
        .protocol-dot.ssr {
            background: #c98bff;
        }
        .protocol-dot.vmess {
            background: #ff8b6b;
        }
        .protocol-dot.trojan {
            background: #5ad4c7;
        }
        .protocol-dot.snell {
            background: #ffc86b;
        }

        /* Client Ecosystem Table */
        .ecosystem {
            padding: 6rem 0;
            border-top: 1px solid var(--border);
        }
        .eco-table-wrap {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
        }
        .eco-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-mono);
            font-size: 0.76rem;
        }
        .eco-table thead th {
            background: var(--bg-card);
            color: var(--text-muted);
            font-weight: 500;
            padding: 1rem 1.4rem;
            text-align: left;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            font-size: 0.66rem;
            border-bottom: 1px solid var(--border);
        }
        .eco-table tbody td {
            padding: 1rem 1.4rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
            vertical-align: middle;
        }
        .eco-table tbody tr:hover {
            background: var(--bg-card-hover);
        }
        .eco-table tbody tr:last-child td {
            border-bottom: none;
        }
        .eco-table .client-name {
            color: var(--cream);
            font-weight: 500;
        }
        .eco-table a {
            color: var(--accent-indigo);
            font-weight: 500;
            transition: color 0.2s;
        }
        .eco-table a:hover {
            color: #a0b0f0;
            text-decoration: underline;
        }

        /* Section Header */
        .section-header {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: end;
            margin-bottom: 3.5rem;
        }
        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(2.3rem, 4vw, 3.2rem);
            font-weight: 400;
            line-height: 1.1;
            color: var(--cream);
            letter-spacing: -0.02em;
        }
        .section-header h2 em {
            font-style: italic;
            color: var(--amber);
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 380px;
        }

        /* Scene Download Cards */
        .scene-downloads {
            padding: 6rem 0;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .scene-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2.5rem 2rem;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            border-color: var(--amber);
            transform: translateY(-4px);
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.5);
        }
        .scene-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--amber);
            transition: width 0.35s ease;
        }
        .scene-card:hover::after {
            width: 55%;
        }
        .scene-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-card);
            font-size: 1.4rem;
            color: var(--amber);
            transition: all 0.3s ease;
        }
        .scene-card:hover .scene-icon {
            background: var(--amber-soft);
            box-shadow: 0 0 22px var(--amber-glow);
        }
        .scene-card h3 {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .scene-card .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem;
            margin-bottom: 1rem;
        }
        .scene-tag {
            font-family: var(--font-mono);
            font-size: 0.6rem;
            padding: 0.18rem 0.5rem;
            border-radius: 4px;
            background: var(--bg-card);
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .scene-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            flex: 1;
        }
        .scene-card .btn-sm {
            align-self: flex-start;
            display: inline-flex;
            background: transparent;
            border: 1px solid var(--border-strong);
            color: var(--cream-muted);
            border-radius: 5px;
            font-family: var(--font-mono);
            font-size: 0.66rem;
            padding: 0.4rem 0.9rem;
            cursor: pointer;
            transition: all 0.25s ease;
            letter-spacing: 0.03em;
        }
        .scene-card .btn-sm:hover {
            border-color: var(--amber);
            color: var(--amber);
            background: var(--amber-soft);
        }

        /* Node Lab */
        .node-lab {
            padding: 6rem 0;
            border-top: 1px solid var(--border);
        }
        .node-lab-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .node-lab-visual {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 2rem;
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .node-lab-visual svg {
            width: 100%;
            height: auto;
            max-width: 400px;
        }
        .pulse-node {
            animation: nodePulse 2.2s ease-in-out infinite;
        }
        .pulse-node:nth-child(1) {
            animation-delay: 0s;
        }
        .pulse-node:nth-child(2) {
            animation-delay: 0.55s;
        }
        .pulse-node:nth-child(3) {
            animation-delay: 1.1s;
        }
        .pulse-node:nth-child(4) {
            animation-delay: 1.65s;
        }
        @keyframes nodePulse {
            0%,
            100% {
                r: 3.5;
                opacity: 0.45;
            }
            50% {
                r: 7;
                opacity: 1;
            }
        }
        .node-lab-info {
            display: flex;
            flex-direction: column;
            gap: 1.1rem;
        }
        .node-lab-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.4rem;
            transition: all 0.3s ease;
            cursor: default;
        }
        .node-lab-card:hover {
            border-color: var(--border-strong);
            background: var(--bg-card-hover);
        }
        .node-lab-card h4 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.35rem;
            letter-spacing: -0.01em;
        }
        .node-lab-card .strat-badge {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.58rem;
            padding: 0.14rem 0.48rem;
            border-radius: 3px;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }
        .strat-badge.global {
            background: var(--accent-indigo-soft);
            color: var(--accent-indigo);
        }
        .strat-badge.rule {
            background: var(--amber-soft);
            color: var(--amber);
        }
        .strat-badge.direct {
            background: var(--accent-teal-soft);
            color: var(--accent-teal);
        }
        .strat-badge.auto {
            background: rgba(160, 140, 200, 0.15);
            color: #b8a8d8;
        }
        .node-lab-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 2rem 0 6rem;
        }
        .cta-box {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2.5rem;
            align-items: center;
            padding: 3.5rem;
            border: 1px solid var(--amber);
            border-radius: 12px;
            position: relative;
            overflow: hidden;
            background: var(--bg-elevated);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 50%, rgba(232, 148, 90, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.4rem;
            position: relative;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 460px;
            position: relative;
        }
        .cta-box .btn {
            position: relative;
            white-space: nowrap;
        }

        /* Hot Tutorials */
        .hot-tutorials {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }
        .tutorial-link-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.75rem;
        }
        .tutorial-link-card {
            display: block;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .tutorial-link-card:hover {
            border-color: var(--amber);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .tutorial-link-card h4 {
            font-family: var(--font-display);
            font-size: 1.05rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.3rem;
            letter-spacing: -0.01em;
        }
        .tutorial-link-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .tutorial-link-card .arrow-hint {
            font-family: var(--font-mono);
            font-size: 0.65rem;
            color: var(--amber);
            margin-top: 0.6rem;
            display: inline-block;
            letter-spacing: 0.05em;
        }

        /* FAQ */
        .faq-section {
            padding: 5rem 0;
            border-top: 1px solid var(--border);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.7rem;
        }
        .faq-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item summary {
            padding: 1.15rem 1.4rem;
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--cream);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-family: var(--font-mono);
            font-size: 1.1rem;
            color: var(--amber);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.4rem 1.15rem;
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .faq-more {
            text-align: center;
            margin-top: 1.8rem;
        }

        /* Footer */
        footer {
            border-top: 1px solid var(--border);
            padding: 3rem 0;
            position: relative;
            z-index: 1;
        }
        footer .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .footer-left {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .footer-logo {
            font-family: var(--font-display);
            font-size: 1.1rem;
            color: var(--cream);
        }
        .footer-logo em {
            color: var(--amber);
            font-style: italic;
        }
        .footer-copy {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 1.8rem;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-family: var(--font-mono);
            font-size: 0.73rem;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--amber);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 900px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .hero {
                min-height: auto;
                padding: 6rem 0 3rem;
            }
            .hero-right {
                order: -1;
            }
            .hero h1 {
                font-size: 3.2rem;
            }
            .section-header {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .about-visual {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 0.6rem;
                padding: 1.2rem;
            }
            .about-visual-item {
                flex: 1 1 auto;
                font-size: 0.66rem;
                padding: 0.55rem 0.7rem;
            }
            .node-lab-inner {
                grid-template-columns: 1fr;
            }
            .node-lab-visual {
                min-height: 240px;
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tutorial-link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2)::after {
                display: none;
            }
            .cta-box {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 2.5rem 1.8rem;
            }
            .cta-box p {
                max-width: 100%;
                margin: 0 auto;
            }
            .device-table {
                font-size: 0.7rem;
            }
            .device-table thead th,
            .device-table tbody td {
                padding: 0.75rem 1rem;
            }
            .eco-table {
                font-size: 0.68rem;
            }
            .eco-table thead th,
            .eco-table tbody td {
                padding: 0.7rem 0.9rem;
            }
        }

        @media (max-width: 600px) {
            .container {
                padding: 0 1.1rem;
            }
            header .container {
                flex-direction: column;
                height: auto;
                padding-top: 0.7rem;
                padding-bottom: 0.7rem;
                gap: 0.4rem;
            }
            .site-nav a {
                font-size: 0.68rem;
                padding: 0.3rem 0.5rem;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero-tagline {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item:not(:last-child)::after {
                display: none;
            }
            .stat-item:nth-child(odd) {
                border-right: 1px solid var(--border);
            }
            .stat-item:nth-child(1),
            .stat-item:nth-child(2) {
                border-bottom: 1px solid var(--border);
            }
            .stat-value {
                font-size: 2rem;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .tutorial-link-grid {
                grid-template-columns: 1fr;
            }
            .device-table {
                font-size: 0.62rem;
            }
            .device-table thead th,
            .device-table tbody td {
                padding: 0.6rem 0.7rem;
            }
            .eco-table {
                font-size: 0.6rem;
            }
            .eco-table thead th,
            .eco-table tbody td {
                padding: 0.55rem 0.6rem;
            }
            .cta-box {
                padding: 2rem 1.2rem;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            footer .container {
                flex-direction: column;
                text-align: center;
            }
            .footer-left {
                flex-direction: column;
                gap: 0.4rem;
            }
            .footer-links {
                justify-content: center;
                gap: 1.2rem;
            }
        }