:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #67717d;
  --line: #d9dee5;
  --blue: #2563eb;
  --green: #16834b;
  --paper: #ffffff;
  --soft: #f5f7f9;
  --code: #151a21;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--paper); color: var(--ink); font: 15px/1.55 Arial, Helvetica, sans-serif; letter-spacing: 0; }
a { color: inherit; }
.topbar { min-height: 58px; padding: 0 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #fff; }
.brand { font-weight: 700; text-decoration: none; white-space: nowrap; }
.topbar nav { display: flex; align-items: center; gap: 4px; overflow-x: auto; }
.topbar nav a { padding: 8px 10px; color: #4b5563; text-decoration: none; white-space: nowrap; border-bottom: 2px solid transparent; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: var(--blue); border-color: var(--blue); }
.comparison-main { width: min(1020px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0 72px; }
.intro { max-width: 780px; margin-bottom: 42px; }
.eyebrow { margin: 0 0 10px; color: var(--green); font-weight: 700; text-transform: uppercase; font-size: 12px; }
h1 { margin: 0 0 14px; font-size: clamp(30px, 5vw, 48px); line-height: 1.08; letter-spacing: 0; }
.intro > p:last-child { margin: 0; color: var(--muted); font-size: 17px; }
.provider-grid { border-top: 1px solid var(--line); }
.provider-row { display: grid; grid-template-columns: 220px minmax(0, 1fr) 120px; align-items: center; gap: 24px; padding: 22px 12px; border-bottom: 1px solid var(--line); }
.provider-row > div { display: grid; gap: 2px; }
.provider-row strong { font-size: 17px; }
.provider-row span, .provider-row p { color: var(--muted); }
.provider-row p { margin: 0; }
.provider-row.recommended { border-left: 3px solid var(--green); background: #f5fbf7; }
.action { justify-self: end; padding: 8px 12px; border: 1px solid #9aa5b1; border-radius: 4px; text-decoration: none; font-weight: 700; }
.demo-notice { margin: 0; padding: 8px 24px; background: #fff7d6; border-bottom: 1px solid #e8d58e; color: #5f4b00; font-size: 13px; text-align: center; }
.guide { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 42px 0 80px; }
.guide h1 { font-size: 34px; }
.guide h2 { margin: 34px 0 12px; font-size: 21px; }
.guide p { margin: 0 0 14px; }
.guide-meta { color: var(--muted); margin-bottom: 30px !important; }
.checklist { padding: 0; margin: 18px 0; list-style: none; }
.checklist li { position: relative; padding: 9px 0 9px 28px; border-bottom: 1px solid #edf0f2; }
.checklist li::before { content: "\2713"; position: absolute; left: 3px; color: var(--green); font-weight: 800; }
.code-shell { margin: 18px 0 24px; border: 1px solid #2e3742; border-radius: 6px; overflow: hidden; background: var(--code); color: #dfe7ef; }
.code-head { height: 38px; padding: 0 10px 0 14px; border-bottom: 1px solid #303945; display: flex; align-items: center; justify-content: space-between; color: #9facba; font: 12px Arial, sans-serif; }
.copy-button { width: 30px; height: 28px; border: 1px solid #4c5865; border-radius: 4px; background: #222a33; color: #dfe7ef; cursor: pointer; font-size: 16px; }
pre { margin: 0; padding: 18px; overflow: auto; font: 13px/1.65 Consolas, "Courier New", monospace; }
.kw { color: #f38ba8; } .str { color: #a6e3a1; } .fn { color: #89b4fa; }
.hackmd-page { background: #f7f8fa; }
.hackmd-page .guide { margin-top: 26px; padding: 42px 46px 80px; background: white; border: 1px solid #e4e8ed; border-radius: 6px; }
.gitbook-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: calc(100vh - 58px); }
.gitbook-sidebar { padding: 30px 22px; border-right: 1px solid var(--line); background: #fafbfc; }
.gitbook-sidebar strong { display: block; margin-bottom: 22px; }
.gitbook-sidebar a { display: block; padding: 8px; margin: 2px 0; color: #576270; text-decoration: none; border-left: 2px solid transparent; }
.gitbook-sidebar a.active { color: var(--blue); border-color: var(--blue); background: #eef4ff; }
.gitbook-main .guide { width: min(800px, calc(100% - 48px)); }
.gist-page { background: #f6f8fa; }
.gist-wrap { width: min(980px, calc(100% - 32px)); margin: 32px auto 70px; }
.gist-header { padding: 18px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.gist-title { color: #0969da; font-weight: 700; }
.gist-description { margin: 0 0 16px; color: #57606a; }
.gist-file { border: 1px solid #d0d7de; border-radius: 6px; background: #fff; overflow: hidden; }
.gist-file-head { padding: 10px 14px; border-bottom: 1px solid #d0d7de; background: #f6f8fa; font: 12px Consolas, monospace; font-weight: 700; }
.gist-file pre { color: #24292f; background: white; }
.static-page { background: #f4f7f6; }
.static-hero { padding: 52px 24px 42px; background: #142a24; color: white; }
.static-hero-inner { width: min(920px, 100%); margin: 0 auto; }
.static-hero h1 { max-width: 700px; }
.static-hero p { max-width: 700px; margin: 0; color: #c5d7d0; font-size: 17px; }
.static-page .guide { width: min(920px, calc(100% - 32px)); }
@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; padding-top: 12px; padding-bottom: 10px; gap: 5px; }
  .topbar nav { width: 100%; }
  .provider-row { grid-template-columns: 1fr; gap: 10px; }
  .action { justify-self: start; }
  .hackmd-page .guide { padding: 30px 20px 60px; }
  .gitbook-layout { display: block; }
  .gitbook-sidebar { display: none; }
}