:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#172033;background:#f4f7fb;font-family:Arial,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif}*{box-sizing:border-box}body{margin:0}.page-shell{place-items:center;min-height:100vh;padding:48px 20px;display:grid}.demo-card{background:#fff;border:1px solid #dde4ef;border-radius:24px;width:min(720px,100%);padding:clamp(28px,6vw,56px);box-shadow:0 20px 60px #192e591a}.eyebrow{color:#3567d4;letter-spacing:.12em;text-transform:uppercase;margin:0 0 12px;font-size:.78rem;font-weight:700}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.04em;margin-bottom:36px;font-size:clamp(2rem,5vw,3.25rem)}h2{margin-bottom:12px}.content-block{border-top:1px solid #e7ebf2;padding:24px 0}.content-block span{color:#3567d4;font-weight:700}.demo-nav{flex-wrap:wrap;gap:12px;padding:8px 0 28px;display:flex}.demo-nav a,button{color:#fff;font:inherit;cursor:pointer;background:#172033;border:0;border-radius:999px;padding:11px 16px;text-decoration:none;display:inline-flex}.hint{color:#35527e;background:#eef4ff;border-radius:12px;margin:24px 0 0;padding:14px 16px;font-size:.9rem;line-height:1.6}