:root {
  --blue: #2536c7; --blue-wash: #e3e6fa; --paper: #f4f1ea; --sheet: #fcfaf5; --rule: #ddd8cc;
  --ink: #17181c; --ink2: #565a63; --ink3: #7c8088;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; -webkit-text-size-adjust: 100%; }
a { color: var(--blue); }
.bar { background: var(--blue); padding: 14px 20px; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 22px; letter-spacing: -0.5px; display: inline-flex; align-items: center; gap: 10px; }
.brand img { border-radius: 8px; display: block; }
.doc { max-width: 760px; margin: 24px auto; padding: 28px 24px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 16px; }
.doc h2 { font-size: 26px; line-height: 1.25; margin: 8px 0 12px; letter-spacing: -0.4px; }
.doc h3 { font-size: 18px; margin: 28px 0 8px; }
.doc h4 { font-size: 16px; margin: 20px 0 6px; }
.doc p, .doc li { font-size: 15px; }
.doc article + article { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--rule); }
.langs { font-size: 14px; color: var(--ink3); margin-bottom: 8px; }
.note { display: inline-block; background: var(--blue-wash); color: var(--blue); font-size: 13px; padding: 4px 10px; border-radius: 999px; margin: 0 0 12px; }
.table { overflow-x: auto; margin: 12px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--rule); }
th { color: var(--ink2); font-weight: 600; }
code { font-size: 13px; background: var(--paper); padding: 1px 5px; border-radius: 4px; }
.foot { max-width: 760px; margin: 0 auto 32px; padding: 0 24px; font-size: 13px; color: var(--ink3); text-align: center; }
.foot a { color: var(--ink2); }
.hero { max-width: 760px; margin: 0 auto; padding: 72px 24px 48px; text-align: center; }
.hero img { border-radius: 28px; }
.hero h1 { font-size: 44px; letter-spacing: -1.2px; margin: 20px 0 8px; }
.hero p { font-size: 19px; color: var(--ink2); margin: 0 auto 24px; max-width: 520px; }
.pill { display: inline-block; background: var(--blue); color: #fff; padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; }
@media (max-width: 600px) { .doc { margin: 0; border-radius: 0; border-left: 0; border-right: 0; } .hero h1 { font-size: 36px; } }