:root { --tq-ink: #1b1b1f; --tq-accent: #2f6df6; --tq-muted: #6b6b74; --tq-line: #e6e6ec; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--tq-ink);
  line-height: 1.65;
  background: #fff;
}
.tq-doc { max-width: 760px; margin: 0 auto; padding: 56px 22px 90px; }
.tq-doc header { border-bottom: 2px solid var(--tq-accent); padding-bottom: 18px; margin-bottom: 30px; }
.tq-doc h1 { font-size: 30px; letter-spacing: -0.5px; }
.tq-doc .tq-updated { color: var(--tq-muted); font-size: 13px; margin-top: 6px; }
.tq-doc h2 { font-size: 18px; margin: 30px 0 8px; }
.tq-doc h2 .tq-num { color: var(--tq-accent); margin-right: 8px; }
.tq-doc p, .tq-doc li { font-size: 15px; color: #303039; }
.tq-doc ul { margin: 8px 0 8px 22px; }
.tq-doc a { color: var(--tq-accent); }
.tq-back { display: inline-block; margin-top: 40px; font-size: 14px; color: var(--tq-accent); text-decoration: none; }