:root {
            --bg: #09090b;
            --bg-card: #111115;
            --bg-card-hover: #18181d;
            --border: #27272a;
            --text: #f4f4f5;
            --text-muted: #a1a1aa;
            --text-dim: #71717a;
            --accent: #ef4444;
            --accent-glow: rgba(239, 68, 68, 0.25);
            --accent-subtle: rgba(239, 68, 68, 0.08);
            --green: #22c55e;
            --green-glow: rgba(34, 197, 94, 0.25);
            --blue: #3b82f6;
            --amber: #f59e0b;
            --radius: 12px;
            --radius-lg: 16px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* ── Background effects ── */
        body::before {
            content: '';
            position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.04;
            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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
        }
        .grid-bg {
            position: fixed; inset: 0; z-index: 0; pointer-events: none;
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 70%);
        }

        .container {
            position: relative; z-index: 1;
            max-width: 860px; margin: 0 auto; padding: 0 24px;
        }

        /* ── Top Navigation ── */
        .top-nav {
            position: sticky; top: 0; z-index: 100;
            background: rgba(9, 9, 11, 0.82);
            backdrop-filter: blur(16px) saturate(1.5);
            -webkit-backdrop-filter: blur(16px) saturate(1.5);
            border-bottom: 1px solid var(--border);
        }
        .nav-inner {
            max-width: 900px; margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; justify-content: space-between; height: 56px;
        }
        .nav-logo {
            display: flex; align-items: center; gap: 10px;
            text-decoration: none; color: var(--text);
            font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
        }
        .nav-logo img { width: 28px; height: 28px; border-radius: 7px; }
        .ai-badge {
            display: inline-flex; align-items: center; justify-content: center;
            height: 12px; padding: 0 5px; margin-left: 4px;
            border-radius: 8px; font-size: 7px; font-weight: 700;
            letter-spacing: 0.02em; color: #fff;
            background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
        }
        .nav-links { display: flex; align-items: center; gap: 4px; }
        .nav-link {
            padding: 6px 14px; font-size: 13px;
            color: var(--text-muted); text-decoration: none; border-radius: 8px;
            transition: color 0.15s, background 0.15s;
        }
        .nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
        .nav-btn {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 7px 18px; border-radius: 999px;
            font-size: 13px; font-weight: 600; text-decoration: none;
            transition: all 0.2s;
            background: var(--accent); color: #fff;
        }
        .nav-btn:hover {
            background: #dc2626; transform: translateY(-1px);
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .nav-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

        /* ── Mobile Nav Toggle ── */
        .mobile-toggle {
            display: none;
            padding: 8px; border-radius: 8px;
            background: none; border: 1px solid var(--border);
            color: var(--text); cursor: pointer;
            flex-shrink: 0;
            align-items: center; justify-content: center;
        }
        .mobile-toggle svg { width: 20px; height: 20px; }
        .mobile-toggle .close-icon { display: none; }
        .mobile-toggle.open .menu-icon { display: none; }
        .mobile-toggle.open .close-icon { display: block; }

        .nav-menu-items {
            display: flex; align-items: center; gap: 4px;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ── Page Header ── */
        .page-header {
            text-align: center; padding: 64px 0 48px;
        }
        .page-header h1 {
            font-size: clamp(28px, 5vw, 44px);
            font-weight: 700; letter-spacing: -0.03em;
            line-height: 1.2; margin-bottom: 12px;
        }
        .page-header h1 .accent { color: var(--accent); }
        .page-header .subtitle {
            font-size: 16px; color: var(--text-muted);
            max-width: 480px; margin: 0 auto;
        }

        /* ── Pricing Cards ── */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 64px;
        }
        .pricing-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px 28px;
            transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
            display: flex; flex-direction: column;
        }
        .pricing-card:hover {
            border-color: var(--text-dim);
            transform: translateY(-2px);
        }
        .pricing-card.featured {
            border-color: var(--accent);
            box-shadow: 0 0 40px var(--accent-glow), 0 0 0 1px var(--accent);
        }
        .pricing-card .badge-popular {
            position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
            padding: 3px 16px; border-radius: 999px;
            background: var(--accent); color: #fff;
            font-size: 12px; font-weight: 700; letter-spacing: 0.03em;
        }
        .plan-name {
            font-size: 18px; font-weight: 700; margin-bottom: 4px;
        }
        .plan-desc {
            font-size: 13px; color: var(--text-dim); margin-bottom: 20px;
        }
        .plan-price {
            display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px;
        }
        .plan-price .currency { font-size: 22px; font-weight: 600; color: var(--text-muted); }
        .plan-price .amount { font-size: 48px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
        .plan-price .period { font-size: 14px; color: var(--text-dim); }
        .plan-original {
            font-size: 13px; color: var(--text-dim); text-decoration: line-through;
            margin-bottom: 24px; min-height: 20px;
        }
        .plan-features {
            list-style: none; margin-bottom: 28px; flex: 1;
        }
        .plan-features li {
            display: flex; align-items: center; gap: 10px;
            font-size: 14px; color: var(--text-muted);
            padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .plan-features li:last-child { border-bottom: none; }
        .plan-features .check {
            flex-shrink: 0; width: 18px; height: 18px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 50%; background: rgba(34,197,94,0.15); color: var(--green);
            font-size: 11px;
        }
        .btn-plan {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            width: 100%; padding: 14px 24px; border-radius: 999px;
            font-size: 15px; font-weight: 600; text-decoration: none;
            cursor: pointer; border: none;
            transition: all 0.2s; background: #fff; color: #000;
        }
        .btn-plan:hover {
            background: #e4e4e7; transform: translateY(-1px);
            box-shadow: 0 8px 30px rgba(255,255,255,0.12);
        }
        .btn-plan.featured-btn {
            background: var(--accent); color: #fff;
        }
        .btn-plan.featured-btn:hover {
            background: #dc2626;
            box-shadow: 0 8px 30px var(--accent-glow);
        }
        .btn-plan svg { width: 18px; height: 18px; }

        /* ── Token Booster Cards (长矩形) ── */
        .booster-section {
            margin-bottom: 64px;
        }
        .booster-section .section-title {
            font-size: 20px; font-weight: 700;
            text-align: center; letter-spacing: -0.02em;
            margin-bottom: 6px;
        }
        .booster-section .section-desc {
            text-align: center; font-size: 14px; color: var(--text-muted);
            margin-bottom: 28px; max-width: 540px; margin-left: auto; margin-right: auto;
            line-height: 1.6;
        }
        .booster-list {
            display: flex; flex-direction: column; gap: 10px;
        }
        .booster-card {
            display: flex; align-items: center; gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 24px;
            transition: border-color 0.25s, transform 0.2s;
            cursor: pointer;
        }
        .booster-card:hover {
            border-color: var(--text-dim);
            transform: translateX(2px);
        }
        .booster-card.featured {
            border-color: var(--accent);
            box-shadow: 0 0 24px var(--accent-glow);
        }
        .booster-info {
            flex: 1; min-width: 0;
        }
        .booster-name {
            font-size: 15px; font-weight: 600; margin-bottom: 3px;
        }
        .booster-tokens {
            font-size: 13px; color: var(--accent); font-weight: 500;
            margin-bottom: 4px;
        }
        .booster-desc {
            font-size: 12px; color: var(--text-dim); line-height: 1.4;
        }
        .booster-price {
            text-align: right; flex-shrink: 0;
        }
        .booster-price .bp-amount {
            font-size: 28px; font-weight: 800;
            letter-spacing: -0.03em; line-height: 1;
        }
        .booster-price .bp-original {
            font-size: 12px; color: var(--text-dim);
            text-decoration: line-through; margin-bottom: 2px;
        }
        .booster-action {
            flex-shrink: 0;
        }
        .btn-booster {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 10px 22px; border-radius: 999px;
            font-size: 14px; font-weight: 600; cursor: pointer;
            border: none; background: var(--accent); color: #fff;
            transition: all 0.2s; font-family: inherit;
            white-space: nowrap;
        }
        .btn-booster:hover {
            background: #dc2626; transform: translateY(-1px);
            box-shadow: 0 4px 16px var(--accent-glow);
        }
        .btn-booster svg { width: 16px; height: 16px; }
        .booster-badge {
            display: inline-block; padding: 2px 10px; border-radius: 999px;
            font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
            background: rgba(239,68,68,0.1); color: var(--accent);
            margin-bottom: 8px;
        }
        @media (max-width: 640px) {
            .booster-card {
                flex-direction: column; align-items: flex-start; gap: 12px;
            }
            .booster-price { text-align: left; }
            .booster-action { width: 100%; }
            .btn-booster { width: 100%; justify-content: center; }
        }

        /* ── Purchase Flow ── */
        .divider {
            display: flex; align-items: center; gap: 16px;
            margin: 16px 0 40px;
        }
        .divider::before,
        .divider::after {
            content: ''; flex: 1; height: 1px;
            background: var(--border);
        }
        .divider span {
            font-size: 13px; color: var(--text-dim);
            font-weight: 500; letter-spacing: 0.05em;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 64px;
        }
        .flow-step {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
        }
        .flow-step .step-num {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px; border-radius: 50%;
            background: var(--accent-subtle); color: var(--accent);
            font-size: 15px; font-weight: 700; margin-bottom: 12px;
        }
        .flow-step h4 {
            font-size: 14px; font-weight: 600; margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 13px; color: var(--text-dim); line-height: 1.5;
        }

        /* ── Auth Modal (login required before purchase) ── */
        .auth-modal-overlay {
            display: none; position: fixed; inset: 0; z-index: 250;
            background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
            align-items: center; justify-content: center;
        }
        .auth-modal-overlay.active { display: flex; }
        .auth-modal {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 28px;
            max-width: 420px; width: 90vw;
        }
        .auth-modal h2 {
            text-align: center; font-size: 18px; font-weight: 700;
            letter-spacing: -0.02em; margin-bottom: 2px;
        }
        .auth-modal .auth-sub {
            text-align: center; font-size: 12px; color: var(--text-dim);
            margin-bottom: 16px;
        }
        .auth-modal .auth-error {
            padding: 8px 12px; border-radius: 8px;
            background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
            color: var(--accent); font-size: 12px; margin-bottom: 10px;
            display: none;
        }
        .auth-modal .auth-error.show { display: block; }
        .auth-modal .form-group { margin-bottom: 10px; }
        .auth-modal .form-group label {
            display: block; font-size: 11px; font-weight: 600;
            color: var(--text-dim); margin-bottom: 4px;
        }
        .auth-modal .form-group input {
            width: 100%; padding: 10px 12px; border-radius: 8px;
            border: 1px solid var(--border); background: var(--bg);
            color: var(--text); font-size: 14px; font-family: inherit;
            outline: none; transition: border-color 0.2s;
        }
        .auth-modal .form-group input:focus { border-color: var(--accent); }
        .auth-modal .form-group input::placeholder { color: var(--text-dim); }
        .auth-modal .field-error {
            font-size: 11px; color: var(--accent); margin-top: 2px; min-height: 0;
        }
        .auth-modal .btn-pay {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            width: 100%; padding: 11px 24px; border-radius: 8px;
            font-size: 14px; font-weight: 600; cursor: pointer; border: none;
            background: var(--accent); color: #fff; font-family: inherit;
            transition: all 0.2s; margin-top: 2px;
        }
        .auth-modal .btn-pay:hover { background: #dc2626; }
        .auth-modal .btn-pay:disabled { opacity: 0.5; cursor: not-allowed; }
        .auth-modal .auth-switch {
            text-align: center; margin-top: 12px;
            font-size: 12px; color: var(--text-dim);
        }
        .auth-modal .auth-switch a {
            color: var(--blue); text-decoration: none;
            font-weight: 500; cursor: pointer;
        }
        .auth-modal .auth-switch a:hover { text-decoration: underline; }

        @media (max-height: 740px) {
            .auth-modal {
                padding: 18px 18px;
                border-radius: 12px;
            }
            .auth-modal h2 { font-size: 16px; margin-bottom: 0; }
            .auth-modal .auth-sub { font-size: 11px; margin-bottom: 10px; }
            .auth-modal .form-group { margin-bottom: 8px; }
            .auth-modal .form-group label { font-size: 10px; margin-bottom: 3px; }
            .auth-modal .form-group input { padding: 9px 12px; font-size: 13px; border-radius: 6px; }
            .auth-modal .btn-pay { padding: 10px 20px; font-size: 13px; border-radius: 6px; }
            .auth-modal .auth-switch { margin-top: 8px; font-size: 11px; }
        }
        .code-input-row {
            display: flex; gap: 8px;
        }
        .code-input-row input { flex: 1; }
        .code-input-row button {
            padding: 0 16px; border-radius: 10px;
            border: 1px solid var(--border); background: transparent;
            color: var(--blue); font-size: 13px; font-weight: 600;
            cursor: pointer; font-family: inherit; white-space: nowrap;
            transition: all 0.15s; min-width: 110px;
        }
        .code-input-row button:hover { border-color: var(--blue); }
        .code-input-row button:disabled { color: var(--text-dim); cursor: not-allowed; }

        /* ── Checkout Modal ── */
        .modal-overlay {
            display: none; position: fixed; inset: 0; z-index: 200;
            background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
            align-items: center; justify-content: center;
        }
        .modal-overlay.active { display: flex; }
        .modal {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            max-width: 440px; width: 90vw;
            text-align: center;
        }
        .modal h3 {
            font-size: 22px; font-weight: 700; margin-bottom: 8px;
        }
        .modal .modal-plan {
            font-size: 14px; color: var(--text-muted); margin-bottom: 28px;
        }
        .modal .modal-plan strong { color: var(--accent); }
        .form-group {
            margin-bottom: 20px; text-align: left;
        }
        .form-group label {
            display: block; font-size: 13px; font-weight: 600;
            color: var(--text-muted); margin-bottom: 6px;
        }
        .form-group input {
            width: 100%; padding: 12px 16px;
            border-radius: 10px; border: 1px solid var(--border);
            background: var(--bg); color: var(--text);
            font-size: 15px; font-family: inherit;
            transition: border-color 0.2s; outline: none;
        }
        .form-group input:focus { border-color: var(--accent); }
        .form-group input::placeholder { color: var(--text-dim); }
        .qr-container {
            display: flex; flex-direction: column; align-items: center;
            padding: 20px; margin: 20px 0;
            border-radius: var(--radius); background: var(--bg);
            border: 1px solid var(--border);
        }
        .qr-container .qr-placeholder {
            width: 210px; height: 210px;
            background: #fff; border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            font-size: 13px; color: #71717a;
        }
        .qr-container .qr-tip {
            margin-top: 12px; font-size: 13px; color: var(--text-muted);
        }
        .btn-pay {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            width: 100%; padding: 14px 24px; border-radius: 999px;
            font-size: 15px; font-weight: 600; cursor: pointer; border: none;
            background: var(--accent); color: #fff;
            transition: all 0.2s; font-family: inherit; margin-top: 8px;
        }
        .btn-pay:hover { background: #dc2626; transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
        .btn-pay:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
        .btn-pay svg { width: 18px; height: 18px; }

        /* ── Payment Method Selector ── */
        .pay-method-selector {
            display: flex; gap: 10px; margin-top: 6px;
        }
        .pay-method-option {
            flex: 1; cursor: pointer;
        }
        .pay-method-option input[type="radio"] {
            display: none;
        }
        .pay-method-label {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            padding: 12px 16px; border-radius: 10px;
            border: 2px solid var(--border);
            background: var(--bg-card);
            font-size: 14px; font-weight: 500; color: var(--text-muted);
            transition: all 0.2s; text-align: center;
        }
        .pay-method-label:hover {
            border-color: var(--text-dim);
        }
        .pay-method-option input[type="radio"]:checked + .pay-method-label {
            border-color: var(--accent);
            background: var(--accent-subtle);
            color: var(--text);
            box-shadow: 0 0 12px var(--accent-glow);
        }
        .pay-method-option input[type="radio"]:checked + .pay-method-label .pay-icon {
            transform: scale(1.1);
        }
        .pay-icon { width: 20px; height: 20px; object-fit: contain; flex-shrink: 0; transition: transform 0.2s; }

        .btn-close {
            padding: 10px 24px; border-radius: 999px;
            font-size: 14px; font-weight: 600; cursor: pointer;
            border: 1px solid var(--border); background: transparent;
            color: var(--text-muted); transition: all 0.15s;
        }
        .btn-close:hover { color: var(--text); border-color: var(--text-dim); }
        .field-error {
            font-size: 12px; color: var(--accent); margin-top: 4px;
            min-height: 18px;
        }
        .order-id-display {
            width: 100%; padding: 10px 14px; border-radius: 8px;
            border: 1px solid var(--border); background: var(--bg);
            font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
            font-size: 14px; color: var(--text-muted); cursor: pointer;
            user-select: all;
        }
        .license-note {
            display: flex; align-items: center; gap: 8px;
            padding: 12px 16px; border-radius: 8px;
            background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.15);
            font-size: 13px; color: var(--blue); margin-top: 12px;
        }
        .license-note svg { width: 16px; height: 16px; flex-shrink: 0; }

        @keyframes spin { to { transform: rotate(360deg); } }

        /* ── Order Timer ── */
        .order-timer {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            padding: 10px 16px; margin: 12px 0 0;
            border-radius: 8px; font-size: 13px;
            background: rgba(245,158,11,0.06); border: 1px solid rgba(245,158,11,0.18);
            color: var(--amber);
        }
        .order-timer.expiring {
            background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.25);
            color: var(--accent); animation: pulse-warn 0.8s ease-in-out infinite alternate;
        }
        .order-timer svg { width: 16px; height: 16px; flex-shrink: 0; }
        .order-timer .timer-val { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 42px; text-align: center; }
        @keyframes pulse-warn { from { opacity: 1; } to { opacity: 0.6; } }



        /* ── Activate Section ── */
        .activate-section {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            margin-bottom: 64px;
            text-align: center;
        }
        .activate-section h2 {
            font-size: 24px; font-weight: 700;
            letter-spacing: -0.02em; margin-bottom: 8px;
        }
        .activate-section .desc {
            font-size: 14px; color: var(--text-muted);
            margin-bottom: 24px;
        }
        .activate-row {
            display: flex; gap: 12px;
            max-width: 440px; margin: 0 auto;
        }
        .activate-row input {
            flex: 1; padding: 12px 16px;
            border-radius: 10px; border: 1px solid var(--border);
            background: var(--bg); color: var(--text);
            font-size: 15px; font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
            letter-spacing: 0.02em; outline: none;
            transition: border-color 0.2s;
        }
        .activate-row input:focus { border-color: var(--accent); }
        .activate-row input::placeholder { color: var(--text-dim); }
        .activate-row button {
            padding: 12px 28px; border-radius: 999px;
            font-size: 14px; font-weight: 600; cursor: pointer; border: none;
            background: #fff; color: #000; white-space: nowrap;
            transition: all 0.2s;
        }
        .activate-row button:hover {
            background: #e4e4e7; transform: translateY(-1px);
        }
        .activate-result {
            margin-top: 16px; font-size: 14px; min-height: 24px;
        }
        .activate-result.success { color: var(--green); }
        .activate-result.error { color: var(--accent); }

        /* ── Comparison Table ── */
        .compare-section {
            margin-bottom: 64px;
        }
        .compare-section h2 {
            font-size: 24px; font-weight: 700; text-align: center;
            letter-spacing: -0.02em; margin-bottom: 8px;
        }
        .compare-section .desc {
            text-align: center; font-size: 14px; color: var(--text-muted);
            margin-bottom: 32px;
        }
        .compare-table {
            width: 100%; border-collapse: collapse;
            border: 1px solid var(--border); border-radius: var(--radius);
            overflow: hidden;
        }
        .compare-table th {
            padding: 14px 20px; font-size: 13px; font-weight: 600;
            color: var(--text-muted); text-align: left;
            background: rgba(255,255,255,0.02);
            border-bottom: 1px solid var(--border);
        }
        .compare-table th:last-child {
            color: var(--accent);
        }
        .compare-table td {
            padding: 14px 20px; font-size: 14px;
            color: var(--text-muted); border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .compare-table tr:last-child td { border-bottom: none; }
        .compare-table td:last-child {
            color: var(--text); font-weight: 500;
        }
        .compare-table .check-cell { color: var(--green); font-weight: 600; }
        .compare-table .cross-cell { color: var(--text-dim); }

        /* ── FAQ ── */
        .faq-section {
            margin-bottom: 80px;
        }
        .faq-section h2 {
            font-size: 24px; font-weight: 700; text-align: center;
            letter-spacing: -0.02em; margin-bottom: 32px;
        }
        .faq-list {
            display: flex; flex-direction: column; gap: 8px;
        }
        .faq-item {
            border: 1px solid var(--border); border-radius: var(--radius);
            background: var(--bg-card); overflow: hidden;
        }
        .faq-question {
            width: 100%; display: flex; align-items: center;
            justify-content: space-between; padding: 16px 20px;
            background: transparent; border: none;
            color: var(--text); font-size: 14px; font-weight: 500;
            text-align: left; cursor: pointer;
            transition: background 0.15s; font-family: inherit;
        }
        .faq-question:hover { background: var(--bg-card-hover); }
        .faq-arrow {
            flex-shrink: 0; transition: transform 0.25s;
            color: var(--text-dim);
        }
        .faq-item.open .faq-arrow { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 200px; padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 13px; color: var(--text-dim); line-height: 1.6;
        }

        /* ── Footer ── */
        footer {
            position: relative; z-index: 1; text-align: center;
            padding: 40px 24px 36px; border-top: 1px solid var(--border);
        }
        footer .footer-links {
            display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
            margin-bottom: 12px;
        }
        footer .footer-links a {
            color: var(--text-muted); text-decoration: none;
            font-size: 13px; transition: color 0.15s;
        }
        footer .footer-links a:hover { color: var(--text); }
        footer .copyright {
            font-size: 12px; color: var(--text-dim);
        }
        footer .copyright a {
            color: inherit;
            text-decoration: none;
        }

        /* ── Toast ── */
        .toast {
            position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
            z-index: 300; padding: 12px 24px; border-radius: 10px;
            font-size: 14px; font-weight: 500;
            background: var(--bg-card); border: 1px solid var(--border);
            color: var(--text); opacity: 0; pointer-events: none;
            transition: opacity 0.3s, transform 0.3s;
            box-shadow: 0 8px 32px rgba(0,0,0,0.5);
        }
        .toast.show { opacity: 1; transform: translateX(-50%) translateY(4px); }
        .toast.success { border-color: var(--green); }
        .toast.error { border-color: var(--accent); }

        @media (max-width: 640px) {
            .mobile-toggle { display: flex; }
            .nav-menu-items {
                display: none;
            }
            .nav-menu-items.expanded {
                display: flex; flex-direction: column; align-items: stretch;
                position: absolute; top: 56px; left: 0; right: 0;
                background: rgba(9, 9, 11, 0.95);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border);
                padding: 8px 16px; gap: 2px;
                animation: slideDown 0.2s ease;
                z-index: 99;
            }
            .nav-menu-items.expanded .nav-link {
                padding: 12px 14px; font-size: 14px;
                border-radius: 8px; width: 100%;
            }
            .nav-btn { padding: 6px 14px; font-size: 12px; }
            .pricing-grid { grid-template-columns: 1fr; }
            .flow-steps { grid-template-columns: 1fr; }
            .activate-row { flex-direction: column; }
            .compare-table th, .compare-table td { padding: 10px 14px; font-size: 12px; }
        }