:root{--bg-main:#060911;--bg-subtle:#0a0f1d;--bg-surface:#0e1629;--bg-card:rgba(13,20,36,0.75);--bg-card-hover:rgba(18,27,48,0.85);--bg-input:rgba(255,255,255,0.05);--bg-code:rgba(0,0,0,0.4);--bg-badge:rgba(56,189,248,0.12);--bg-mock-window:#0b1120;--border-subtle:rgba(255,255,255,0.08);--border-medium:rgba(255,255,255,0.14);--border-highlight:rgba(56,189,248,0.4);--brand-primary:#38bdf8;--brand-gradient:linear-gradient(135deg,#38bdf8,#3b82f6 50%,#6366f1);--brand-glow:0 0 40px -8px rgba(56,189,248,0.3);--accent-orange:#fb923c;--accent-green:#34d399;--accent-red:#f87171;--accent-purple:#c084fc;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--text-inverse:#0f172a;--nav-bg:rgba(6,9,17,0.85);--card-shadow:inset 0 1px 0 rgba(255,255,255,0.06),0 20px 40px -15px rgba(0,0,0,0.6);--body-bg-gradient:radial-gradient(ellipse 90% 50% at 50% -5%,rgba(56,189,248,0.12),transparent 70%),radial-gradient(circle 800px at 90% 20%,rgba(99,102,241,0.06),transparent 80%),radial-gradient(circle 600px at 10% 70%,rgba(56,189,248,0.04),transparent 70%);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--radius-pill:9999px;--transition:0.18s cubic-bezier(0.16,1,0.3,1)}@media (prefers-color-scheme:light){:root{--bg-main:#f8fafc;--bg-subtle:#f1f5f9;--bg-surface:#ffffff;--bg-card:rgba(255,255,255,0.95);--bg-card-hover:#ffffff;--bg-input:#ffffff;--bg-code:#f1f5f9;--bg-badge:rgba(2,132,199,0.08);--bg-mock-window:#ffffff;--border-subtle:rgba(15,23,42,0.08);--border-medium:rgba(15,23,42,0.14);--border-highlight:rgba(2,132,199,0.4);--brand-primary:#0284c7;--brand-gradient:linear-gradient(135deg,#0284c7,#2563eb 50%,#4f46e5);--brand-glow:0 0 30px -5px rgba(2,132,199,0.2);--accent-orange:#ea580c;--accent-green:#059669;--accent-red:#dc2626;--accent-purple:#9333ea;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--text-inverse:#ffffff;--nav-bg:rgba(255,255,255,0.88);--card-shadow:0 1px 3px rgba(0,0,0,0.05),0 16px 36px -12px rgba(15,23,42,0.08);--body-bg-gradient:radial-gradient(ellipse 90% 50% at 50% -5%,rgba(56,189,248,0.12),transparent 70%),radial-gradient(circle 800px at 90% 20%,rgba(99,102,241,0.06),transparent 80%),radial-gradient(circle 600px at 10% 70%,rgba(56,189,248,0.05),transparent 70%)}}html{scrollbar-gutter:stable;scroll-behavior:smooth;background-color:var(--bg-main)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.65;overflow-x:clip;-webkit-font-smoothing:antialiased;background-image:var(--body-bg-gradient);background-attachment:fixed;transition:background-color var(--transition),color var(--transition)}.site-wrapper{display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:1220px;margin:0 auto;padding:0 max(24px,3.5vw)}@media (min-width:1600px){.container{max-width:1320px;padding:0 64px}}@media (max-width:1440px) and (min-width:1025px){.container{max-width:1140px;padding:0 32px}}.navbar{position:-webkit-sticky;position:sticky;top:0;z-index:100;width:100%;background:var(--nav-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);transition:background var(--transition),border-color var(--transition)}.navbar-inner{justify-content:space-between;height:72px}.nav-brand,.navbar-inner{display:flex;align-items:center}.nav-brand{gap:12px;text-decoration:none;color:var(--text-primary);cursor:pointer;transition:opacity var(--transition)}.nav-brand:hover{opacity:.9}.nav-brand-title{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.nav-version-badge{font-size:11px;font-weight:600;padding:2px 8px;background:var(--bg-badge);border:1px solid var(--border-highlight);color:var(--brand-primary);border-radius:var(--radius-pill)}.nav-links{gap:6px;background:var(--bg-input);padding:4px;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.nav-links,.nav-tab-btn{display:flex;align-items:center}.nav-tab-btn{background:transparent;border:none;font-size:14px;font-weight:500;color:var(--text-secondary);cursor:pointer;padding:8px 18px;border-radius:var(--radius-sm);transition:all var(--transition);gap:7px;white-space:nowrap}.nav-tab-btn:hover{color:var(--text-primary);background:rgba(125,125,125,.08)}.nav-tab-btn.active{color:#ffffff;background:var(--brand-gradient);font-weight:600;box-shadow:0 2px 12px rgba(56,189,248,.35)}.nav-status-badge{margin-left:6px;display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:1.5px 8px;border-radius:var(--radius-pill);transition:all .2s ease;line-height:1.4;letter-spacing:.02em}.nav-status-badge.connected{background:rgba(16,185,129,.16);border:1px 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.status-dot{width:6px;height:6px;border-radius:50%;background:#f87171}@media (prefers-color-scheme:light){.nav-status-badge.disconnected{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.nav-status-badge.disconnected .status-dot{background:#dc2626}}.nav-tab-btn.active .nav-status-badge.disconnected{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.45);color:#ffffff}.nav-tab-btn.active .nav-status-badge.disconnected .status-dot{background:#fca5a5}.nav-account-btn{background:var(--bg-input);border:1px solid var(--border-subtle);font-size:13.5px;font-weight:500;color:var(--text-secondary);cursor:pointer;padding:8px 18px;border-radius:var(--radius-md);transition:all var(--transition);display:flex;align-items:center;gap:6px;white-space:nowrap}.nav-account-btn:hover{color:var(--text-primary);border-color:var(--border-medium);background:rgba(125,125,125,.08)}.nav-account-btn.active{color:var(--brand-primary);border-color:var(--border-highlight);background:var(--bg-badge)}.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;background:var(--brand-gradient);color:#ffffff;font-size:14px;font-weight:600;border-radius:var(--radius-md);text-decoration:none;border:1px solid rgba(255,255,255,.18);box-shadow:0 4px 18px rgba(56,189,248,.35);transition:all var(--transition);cursor:pointer;white-space:nowrap}.btn-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(56,189,248,.5)}.btn-cta-lg{padding:14px 32px;font-size:15.5px;border-radius:var(--radius-lg)}.btn-secondary-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;background:var(--bg-card);color:var(--text-primary);font-size:15px;font-weight:600;border-radius:var(--radius-lg);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition);text-decoration:none;box-shadow:var(--card-shadow)}.btn-secondary-cta:hover{background:var(--bg-card-hover);border-color:var(--border-medium);color:var(--brand-primary);transform:translateY(-1px)}.hero-section{padding:88px 0 56px;text-align:center}.hero-title{font-size:56px;font-weight:800;line-height:1.15;letter-spacing:-.035em;margin-bottom:22px;color:var(--text-primary)}.hero-title-gradient{background:var(--brand-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:17.5px;color:var(--text-secondary);max-width:760px;margin:0 auto 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var(--border-subtle);background:var(--bg-card);color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition)}.playground-tab-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.playground-tab-btn.active{background:var(--bg-badge);border-color:var(--brand-primary);color:var(--brand-primary);font-weight:600;box-shadow:0 0 20px rgba(56,189,248,.2)}.playground-stage-wrapper{max-width:940px;margin:0 auto}.browser-mock-window{background:var(--bg-mock-window);border-radius:var(--radius-xl);border:1px solid var(--border-subtle);overflow:hidden;box-shadow:var(--card-shadow);transition:background-color var(--transition),border-color var(--transition)}.browser-mock-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(125,125,125,.05);border-bottom:1px solid var(--border-subtle)}.browser-mock-dots{display:flex;gap:6px}.mock-dot{width:10px;height:10px;border-radius:50%}.mock-dot.red{background:#ef4444}.mock-dot.yellow{background:#f59e0b}.mock-dot.green{background:#10b981}.browser-mock-url{background:var(--bg-code);padding:4px 16px;border-radius:6px;font-size:12px;color:var(--text-muted);font-family:monospace;border:1px solid var(--border-subtle);display:flex;align-items:center;gap:6px}.gif-live-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;padding:3px 10px;border-radius:var(--radius-pill);background:var(--bg-badge);color:var(--brand-primary);border:1px solid var(--border-highlight);font-weight:600}.gif-pulsing-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-primary);animation:pulseLiveDot 1.5s ease-in-out infinite}@keyframes pulseLiveDot{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}.mock-content-body{padding:30px 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14px;background:var(--bg-card);border:1px solid var(--border-highlight);box-shadow:0 12px 30px -4px rgba(0,0,0,.45);animation:fadeInUp .28s cubic-bezier(.16,1,.3,1) forwards}.floating-action-btn,.floating-action-capsule{display:inline-flex;align-items:center;border-radius:var(--radius-pill)}.floating-action-btn{gap:4px;padding:4px 10px;border:none;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s}.floating-action-btn.active{background:var(--brand-gradient);color:#ffffff;box-shadow:0 2px 8px rgba(56,189,248,.4)}.floating-action-btn.normal{background:var(--bg-input);color:var(--text-secondary)}.virtual-kbd-btn{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:6px;background:var(--bg-code);border:1px solid var(--border-medium);font-size:11.5px;font-weight:700;color:var(--text-primary);box-shadow:0 2px 0 var(--border-medium);transition:all .15s}.virtual-kbd-btn.pressed{transform:translateY(2px);box-shadow:0 0 0 transparent;background:var(--brand-primary);color:#ffffff}.click-ripple-ring{position:absolute;top:-15px;left:-15px;width:48px;height:48px;border-radius:50%;border:2px solid var(--brand-primary);animation:rippleExplode .7s ease-out forwards}@keyframes rippleExplode{0%{transform:scale(.2);opacity:1}to{transform:scale(2.2);opacity:0}}.stream-translation-box{opacity:1;transition:opacity .28s ease-out}.stream-translation-box.exit-out{opacity:0;pointer-events:none}.volc-char-fade-inline{display:inline;opacity:0;animation:volcCharAppear .35s ease-out forwards}@keyframes volcCharAppear{0%{opacity:0}to{opacity:1}}.features-section{padding:72px 0 96px}.bento-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px}.bento-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--card-shadow);transition:all var(--transition)}.bento-card:hover{border-color:var(--border-medium);transform:translateY(-3px)}.bento-icon-box{font-size:30px;margin-bottom:16px}.bento-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-primary);letter-spacing:-.01em}.bento-card p{font-size:14px;color:var(--text-secondary);line-height:1.7}.pricing-section{padding:56px 0 100px}.pricing-billing-toggle-wrap{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:48px}.pricing-toggle-box{display:flex;background:var(--bg-input);padding:4px;border-radius:var(--radius-pill);border:1px solid var(--border-subtle)}.pricing-toggle-btn{padding:8px 22px;border-radius:var(--radius-pill);border:none;background:transparent;color:var(--text-secondary);font-size:13.5px;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap}.pricing-toggle-btn.active{background:var(--brand-primary);color:#ffffff;font-weight:700;box-shadow:0 2px 10px rgba(56,189,248,.35)}.save-badge{font-size:11.5px;padding:4px 10px;border-radius:var(--radius-pill);background:rgba(52,211,153,.15);color:var(--accent-green);border:1px solid rgba(52,211,153,.3);font-weight:700}.pricing-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px;margin-bottom:64px;align-items:stretch}.pricing-card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:36px 32px;display:flex;flex-direction:column;position:relative;box-shadow:var(--card-shadow);transition:border-color var(--transition),box-shadow var(--transition);min-height:540px}.pricing-card.popular{border-color:var(--brand-primary);box-shadow:var(--card-shadow),var(--brand-glow);transform:scale(1.02)}.popular-ribbon{position:absolute;top:-12px;right:28px;background:var(--brand-gradient);color:#fff;font-size:11px;font-weight:700;padding:3px 12px;border-radius:var(--radius-pill);box-shadow:0 3px 12px rgba(56,189,248,.45)}.pricing-card-title{font-size:21px;font-weight:700;color:var(--text-primary);height:28px;line-height:28px;margin-bottom:6px}.pricing-card-desc{font-size:13.5px;color:var(--text-muted);min-height:42px;line-height:1.45}.pricing-cost-row{display:flex;align-items:baseline;gap:4px;height:76px;margin:18px 0 22px;padding-bottom:18px;border-bottom:1px solid var(--border-subtle);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pricing-cost-sym{font-size:24px;font-weight:700;color:var(--text-primary)}.pricing-cost-val{font-size:44px;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;min-width:54px;display:inline-block}.pricing-cost-unit{font-size:13px;color:var(--text-muted);line-height:1.4}.pricing-feat-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:32px;flex:1 1}.pricing-feat-item{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-secondary);line-height:1.5}.pricing-feat-item.bold{color:var(--text-primary);font-weight:600}.pricing-matrix-table-wrap{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:36px 40px;box-shadow:var(--card-shadow);overflow-x:auto}.matrix-table{width:100%;border-collapse:collapse;text-align:left}.matrix-table td,.matrix-table th{padding:15px 18px;border-bottom:1px solid var(--border-subtle);font-size:13.5px}.matrix-table th{color:var(--text-primary);font-weight:700}.matrix-table td{color:var(--text-secondary)}.download-section{padding:56px 0 100px}.download-browsers-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:24px;gap:24px;margin-bottom:56px;align-items:stretch}.browser-card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:36px 28px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:var(--card-shadow);position:relative;transition:all var(--transition)}.browser-card.recommended{border-color:var(--brand-primary);box-shadow:var(--card-shadow),var(--brand-glow);transform:scale(1.02)}.rec-ribbon{position:absolute;top:-12px;background:var(--brand-gradient);color:#fff;font-size:11px;font-weight:700;padding:3px 14px;border-radius:var(--radius-pill);box-shadow:0 3px 10px rgba(56,189,248,.4)}.browser-icon-box{width:72px;height:72px;border-radius:var(--radius-lg);background:var(--bg-input);border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;margin-bottom:20px}.browser-card h3{font-size:19px;font-weight:700;margin-bottom:6px;color:var(--text-primary);letter-spacing:-.01em}.browser-card p{font-size:13px;color:var(--text-muted);margin-bottom:24px;line-height:1.5;min-height:38px}.install-steps-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.install-step-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--card-shadow)}.step-num-badge{width:32px;height:32px;border-radius:50%;background:var(--bg-badge);border:1px solid var(--brand-primary);font-weight:700;justify-content:center;font-size:14px;margin-bottom:16px}.copy-cmd-box,.step-num-badge{color:var(--brand-primary);display:flex;align-items:center}.copy-cmd-box{justify-content:space-between;width:100%;padding:9px 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