:root {
  --bg: #FFFFFF;
  --bg-soft: #F3F7FD;
  --ink: #1A2238;
  --muted: #5A6480;
  --line: #E1E8F3;
  --blue: #1B6FDC;
  --blue-soft: #E7F0FD;
  --amber-soft: #FFF5DD;
  --amber-line: #F2D38A;
  --navy: #232A40;
  --navy-muted: #8E97B0;
  --font-display: "Outfit", "Avenir Next", "Segoe UI", Arial, sans-serif;
  --font-body: "Nunito Sans", "Segoe UI", Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.7; }
.band { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 760px; margin-inline: auto; }
a { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 20px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.top img { display: block; height: 38px; width: auto; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; }
.lang button { font: 600 14px var(--font-display); border: 0; background: transparent; color: var(--muted); padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--blue); color: #FFFFFF; }
main { padding-block: 40px 64px; }
h1, h2 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(32px, 5vw, 44px); color: var(--blue); }
h2 { font-size: 21px; font-weight: 600; margin-top: 36px; margin-bottom: 8px; }
p, ul, ol { margin: 0 0 12px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
.meta { color: var(--muted); font-size: 15px; margin-top: 10px; }
.draft { margin-top: 20px; background: var(--amber-soft); border: 1px solid var(--amber-line); border-radius: 12px; padding: 12px 16px; font-size: 14.5px; }
.toc { margin-top: 24px; background: var(--bg-soft); border-radius: 14px; padding: 18px 20px; }
.toc ol { margin: 0; columns: 2 220px; column-gap: 28px; font-size: 15px; }
.toc a { text-decoration: none; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; background: var(--bg-soft); }
.card p { margin: 0; }
footer { background: var(--navy); color: var(--navy-muted); font-size: 14px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 22px 28px; }
.foot a { color: #FFFFFF; text-decoration: none; }