:root {
  --bg: #FAF7F2; --card: #FFFFFF; --text: #1E1B18; --muted: #6B655D;
  --accent: #B5743A; --accent-text: #8A5426; --accent-soft: #F2E6D8; --fill: #A2632D;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121110; --card: #1C1A18; --text: #F3EFE8; --muted: #A8A197; --accent: #D99A5B; --accent-text: #D99A5B; --accent-soft: #2A231C; --fill: #D99A5B; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site { display: flex; align-items: center; gap: 12px; padding: 20px 24px; max-width: 760px; margin: 0 auto; }
header.site img { width: 36px; height: 36px; border-radius: 9px; }
header.site .brand { font-weight: 600; color: var(--text); font-size: 18px; }
header.site nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
main { max-width: 760px; margin: 0 auto; padding: 8px 24px 64px; }
h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.01em; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
p.lead { font-size: 20px; color: var(--muted); margin-top: 0; }
p.meta { color: var(--muted); font-size: 15px; }
.hero { text-align: center; padding: 48px 0 24px; }
.hero img { width: 128px; height: 128px; border-radius: 29px; box-shadow: 0 12px 32px rgba(0,0,0,.14); }
.hero h1 { font-size: 40px; margin-top: 24px; }
.hero .tag { font-family: Georgia, "Times New Roman", serif; font-size: 22px; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0; }
.step { background: var(--card); border-radius: 20px; padding: 20px; }
.step .n { display: inline-block; width: 28px; height: 28px; border-radius: 14px; background: var(--accent-soft); color: var(--accent-text); text-align: center; line-height: 28px; font-weight: 600; font-size: 14px; }
.step h3 { margin: 12px 0 4px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }
.card { background: var(--card); border-radius: 20px; padding: 20px 24px; margin: 16px 0; }
.btn { display: inline-block; background: var(--fill); color: #fff; padding: 12px 20px; border-radius: 14px; font-weight: 600; }
@media (prefers-color-scheme: dark) { .btn { color: #121110; } }
.btn:hover { text-decoration: none; opacity: .92; }
footer.site { max-width: 760px; margin: 0 auto; padding: 24px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--accent-soft); }
footer.site nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
details { background: var(--card); border-radius: 16px; padding: 14px 20px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 4px; color: var(--muted); }
ul, ol { padding-left: 22px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; background: var(--accent-soft); padding: 1px 6px; border-radius: 6px; }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } h1 { font-size: 30px; } .hero h1 { font-size: 34px; } header.site nav { display: none; } }