:root{color-scheme:light;--ink:#0f1117;--muted:#5f6472;--blue:#0d57f5;--bg:#f5f7fb;--card:#fff;--line:rgba(15,17,23,.1)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}.wrap{width:min(920px,calc(100% - 40px));margin:0 auto}.hero{padding:72px 0 48px;text-align:center}.icon{width:112px;height:112px;border-radius:28px;box-shadow:0 18px 44px rgba(13,87,245,.22)}h1{font-size:clamp(38px,7vw,76px);line-height:1.02;margin:24px 0 12px;letter-spacing:0;font-weight:900}p.lead{font-size:clamp(18px,2.6vw,25px);color:var(--muted);max-width:720px;margin:0 auto}.nav{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px}.nav a,.button{color:#fff;background:var(--blue);text-decoration:none;font-weight:800;border-radius:16px;padding:13px 18px}.section{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;margin:18px 0;box-shadow:0 16px 40px rgba(15,17,23,.06)}h2{font-size:28px;margin:0 0 10px}h3{font-size:20px;margin:22px 0 6px}.muted{color:var(--muted)}ul{padding-left:22px}.footer{padding:34px 0 54px;text-align:center;color:var(--muted)}.lang{position:absolute;right:24px;top:18px;display:flex;gap:10px;flex-wrap:wrap}.lang a{color:var(--ink);text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-weight:700}@media(max-width:640px){.hero{padding-top:56px}.section{padding:22px;border-radius:22px}.lang{position:static;justify-content:center;padding-top:16px}}