.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:#0a0a0c99;border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}.nav-logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.05rem;letter-spacing:-.01em}.nav-dot{width:10px;height:10px;background:var(--accent);border-radius:50%;box-shadow:0 0 16px var(--accent)}.nav-links{display:flex;align-items:center;gap:28px;color:var(--fg-muted);font-size:.95rem}.nav-links a:hover{color:var(--fg)}.nav-cta{padding:9px 18px;font-size:.9rem}.nav-cta:hover{color:var(--bg)}@media(max-width:620px){.nav-links a:not(.nav-cta){display:none}}.hero{padding-top:100px;padding-bottom:80px;text-align:center;position:relative;overflow:hidden}.hero-inner{max-width:980px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--border);background:var(--bg-elevated);border-radius:999px;font-size:.85rem;color:var(--fg-muted);margin-bottom:28px}.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:#4ade80;box-shadow:0 0 8px #4ade80}.hero-accent{background:linear-gradient(120deg,var(--accent),#ff7b54);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{max-width:640px;margin:28px auto 40px;font-size:1.2rem;color:var(--fg-muted)}.hero-cta{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}.hero-meta{margin-top:22px;color:var(--fg-dim);font-size:.92rem}.hero-image{margin-top:72px;max-width:1080px;margin-left:auto;margin-right:auto}.problem{padding:100px 24px;text-align:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-elevated)}.problem-head{max-width:720px;margin:0 auto}.problem-sub{margin-top:18px;font-size:1.1rem}.problem-list{list-style:none;padding:0;margin:48px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:980px}.problem-list li{padding:22px 18px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-size:.98rem;color:var(--fg);line-height:1.35}@media(max-width:860px){.problem-list{grid-template-columns:1fr 1fr}}.lang-section{background:var(--bg-elevated);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.lang-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:860px;margin:0 auto}.lang-chip{display:flex;align-items:center;gap:10px;padding:16px 18px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-size:.98rem}.lang-flag{font-size:1.4rem;line-height:1}.lang-chip-more{justify-content:center;color:var(--fg-muted);font-style:italic}@media(max-width:720px){.lang-grid{grid-template-columns:repeat(2,1fr)}}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.how-step{padding:36px 28px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg)}.how-number{font-family:SF Mono,ui-monospace,monospace;font-size:.88rem;color:var(--accent);letter-spacing:.12em;margin-bottom:16px}.how-step h3{margin-bottom:10px;font-size:1.35rem}.how-step p{font-size:1rem;line-height:1.55}@media(max-width:860px){.how-grid{grid-template-columns:1fr}}.download{text-align:center;padding-top:140px;padding-bottom:140px;background:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(255,180,84,.12),transparent 70%),var(--bg)}.download-inner{max-width:680px}.download-inner p{margin-top:20px;font-size:1.15rem}.download-cta{margin-top:36px}.download-btn{padding:18px 30px;font-size:1.05rem}.apple-glyph{font-size:1.25rem;line-height:1}.download-meta{margin-top:22px;font-size:.9rem;color:var(--fg-dim)}.footer{border-top:1px solid var(--border);padding:40px 24px;color:var(--fg-dim);font-size:.88rem}.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.footer-brand{display:flex;align-items:center;gap:10px;color:var(--fg-muted)}.footer-meta{display:flex;gap:10px;align-items:center}:root{--bg: #0a0a0c;--bg-elevated: #131318;--bg-subtle: #1a1a20;--fg: #f5f5f7;--fg-muted: #a1a1aa;--fg-dim: #6b6b74;--accent: #ffb454;--accent-soft: rgba(255, 180, 84, .14);--border: rgba(255, 255, 255, .08);--radius: 14px;--radius-lg: 22px;--max-width: 1140px;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;scroll-behavior:smooth}body{background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(255,180,84,.08),transparent 60%),var(--bg)}h1,h2,h3{font-weight:600;letter-spacing:-.02em;margin:0}h1{font-size:clamp(2.6rem,6vw,4.8rem);line-height:1.05}h2{font-size:clamp(2rem,4vw,3rem);line-height:1.1}h3{font-size:1.3rem}p{margin:0;color:var(--fg-muted);font-size:1.05rem}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none}section{padding:120px 24px}.container{max-width:var(--max-width);margin:0 auto}.section-head{max-width:720px;margin:0 auto 64px;text-align:center}.section-head .eyebrow{display:inline-block;color:var(--accent);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;margin-bottom:18px}.section-head h2+p{margin-top:18px;font-size:1.15rem}.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;font-size:.98rem;font-weight:600;transition:transform .15s ease,background .15s ease,opacity .15s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--fg);color:var(--bg)}.btn-primary:hover{background:#fff}.btn-secondary{background:var(--bg-elevated);color:var(--fg);border:1px solid var(--border)}.kbd{display:inline-flex;align-items:center;padding:3px 8px;font-size:.85rem;font-family:SF Mono,ui-monospace,monospace;background:var(--bg-subtle);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;color:var(--fg)}.image-frame{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 30px 60px -20px #00000080,0 0 0 1px #ffffff05;position:relative}.image-frame img{display:block;width:100%;height:auto}.image-placeholder{aspect-ratio:16 / 10;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;background:repeating-linear-gradient(45deg,transparent,transparent 12px,rgba(255,255,255,.015) 12px,rgba(255,255,255,.015) 24px),var(--bg-elevated);color:var(--fg-dim);font-size:.9rem;text-align:center;padding:32px}.image-placeholder .tag{display:inline-block;padding:4px 10px;background:var(--accent-soft);color:var(--accent);border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}.image-placeholder .filename{font-family:SF Mono,ui-monospace,monospace;font-size:.82rem;color:var(--fg-muted)}.two-col{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}.two-col.reverse{grid-template-columns:1.2fr 1fr}.two-col.reverse .two-col-text{order:2}.two-col-text h2{margin-bottom:20px}.two-col-text .eyebrow{display:inline-block;color:var(--accent);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;margin-bottom:18px}.two-col-text p{font-size:1.1rem;margin-top:20px}@media(max-width:860px){section{padding:80px 20px}.two-col,.two-col.reverse{grid-template-columns:1fr;gap:40px}.two-col.reverse .two-col-text{order:0}}