:root{--blue:#2b6cff;--violet:#7b3ff2;--ink:#16161a;--muted:#6e6e73;--bg:#ffffff;--bg2:#f4f6fb;--card:#ffffff;--radius:20px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1080px;margin:0 auto;padding:0 22px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid #ececf1}.nav .wrap{justify-content:space-between;height:60px}.brand,.nav .wrap{display:flex;align-items:center}.brand{gap:10px;font-weight:700;font-size:1.15rem;color:var(--ink)}.brand:hover{text-decoration:none}.brand .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--violet))}.langswitch{display:flex;gap:2px}.langswitch a{padding:6px 11px;border-radius:999px;font-size:.82rem;font-weight:600;color:var(--muted)}.langswitch a:hover{color:var(--blue);text-decoration:none}.langswitch a.active{background:rgba(43,108,255,.12);color:var(--blue)}.hero{text-align:center;padding:72px 0 36px;background:linear-gradient(180deg,#fff,var(--bg2))}.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.08;margin:0 0 16px;letter-spacing:-.02em}.grad{background:linear-gradient(135deg,var(--blue),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:clamp(1.05rem,2.4vw,1.3rem);color:var(--muted);max-width:640px;margin:0 auto 28px}.cta{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}.btn{display:inline-block;padding:13px 24px;border-radius:14px;font-weight:600;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff}.btn:hover{text-decoration:none;opacity:.92}.btn.ghost{background:#fff;color:var(--ink);border:1px solid #d7d7de}.pill{display:inline-block;font-size:.8rem;font-weight:600;color:var(--blue);background:rgba(43,108,255,.1);padding:6px 12px;border-radius:999px;margin-bottom:18px}.shots{padding:30px 0 10px}.shots .row{display:flex;gap:22px;overflow-x:auto;max-width:100%;width:100%;padding:18px 22px 30px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.shots .row img{width:230px;height:auto;object-fit:contain;flex:0 0 auto;border-radius:28px;scroll-snap-align:center;box-shadow:0 18px 50px rgba(40,50,90,.16)}section.block{padding:56px 0}section.block.alt{background:var(--bg2)}h2.section{text-align:center;font-size:clamp(1.5rem,3.5vw,2.1rem);margin:0 0 8px;letter-spacing:-.01em}p.section-sub{text-align:center;color:var(--muted);max-width:600px;margin:0 auto 36px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:18px;gap:18px}.feature{background:var(--card);border:1px solid #ececf1;border-radius:var(--radius);padding:24px}.feature .ico{font-size:1.7rem}.feature h3{margin:12px 0 6px;font-size:1.12rem}.feature p{margin:0;color:var(--muted);font-size:.96rem}.privacy{text-align:center}.privacy .big{font-size:clamp(1.4rem,3vw,2rem);font-weight:700;max-width:720px;margin:0 auto 10px}footer{border-top:1px solid #ececf1;padding:34px 0;color:var(--muted);font-size:.9rem}footer .wrap{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between}footer nav a{margin-right:18px;color:var(--muted)}footer nav a:hover{color:var(--blue)}.page{max-width:760px;margin:0 auto;padding:28px 22px 60px}.page h1{font-size:1.7rem}.page h2{font-size:1.15rem;margin-top:28px}.note{border-radius:12px;padding:12px 16px;font-size:.92rem}.note,code{background:var(--bg2)}code{padding:1px 6px;border-radius:6px}.backlink{display:inline-block;margin:18px 0 0;font-weight:600}details{background:var(--bg2);border-radius:12px;padding:12px 16px;margin:10px 0}summary{font-weight:600;cursor:pointer}