:root {
  color-scheme: light;
  --ink: #2b1d13;
  --ink-soft: #6f6053;
  --line: #ece0d3;
  --paper: #fdfaf6;
  --card: #ffffff;
  --brand: #9a6138;
  --brand-strong: #7d4b28;
  --brand-soft: #f6ebe0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { max-width: 940px; margin: 0 auto; padding: 0 22px; }

header { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; padding-bottom: 22px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-size: 16px; }
.brand img { width: 30px; height: 30px; }
nav a { margin-left: 18px; color: var(--ink-soft); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--brand-strong); }

.hero { padding: 64px 0 56px; text-align: left; max-width: 640px; }
.eyebrow { color: var(--brand); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
.hero h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -.02em; }
.lede { color: var(--ink-soft); font-size: 18px; line-height: 1.7; margin: 0 0 26px; }
.cta { display: flex; gap: 10px; flex-wrap: wrap; }
.tiny { color: #9b8b7c; font-size: 13px; margin-top: 18px; }

.button, button {
  display: inline-block; border: 0; border-radius: 10px; background: var(--brand); color: #fff;
  padding: 12px 18px; text-decoration: none; font: inherit; font-size: 15px; font-weight: 600; cursor: pointer;
  transition: background .15s;
}
.button:hover, button:hover { background: var(--brand-strong); }
.muted { background: var(--brand-soft); color: var(--brand-strong); }

section { padding: 44px 0; border-top: 1px solid var(--line); }
h2 { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 18px; font-weight: 600; }
h3 { margin: 0 0 8px; font-size: 16px; }
p { line-height: 1.7; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.grid article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.grid article p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.steps { padding-left: 20px; color: var(--ink-soft); line-height: 2; }
code { background: var(--brand-soft); padding: 2px 6px; border-radius: 6px; font-size: 13px; }

.account-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: start; }
.account-info p { color: var(--ink-soft); font-size: 14px; margin: 0 0 10px; }
#account form, #account > section { display: grid; gap: 10px; }
#account input { width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
#account button { width: auto; }

footer { color: #a08f7f; font-size: 13px; padding: 28px 22px 44px; }

@media (max-width: 720px) {
  header { flex-direction: column; align-items: flex-start; gap: 12px; }
  nav a { margin: 0 14px 0 0; }
  .account-grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 0; }
}