:root {
  --paper: #f8f8f3;
  --paper-deep: #eef1e8;
  --ink: #232820;
  --muted: #5e675b;
  --line: #d9ded3;
  --green: #53724d;
  --green-dark: #314a30;
  --white: #ffffff;
  --max: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(248, 248, 243, .96);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 70px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--green-dark);
  color: var(--green-dark);
  font-family: "Songti SC", "STSong", serif;
  font-size: 20px;
  line-height: 1;
}
.brand-name {
  display: block;
  color: var(--green-dark);
  font-family: "Songti SC", "STSong", serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.1;
}
.brand-meta {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}
nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px 18px;
}
nav a {
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: 13px;
}
nav a:hover,
nav a:focus-visible {
  border-color: var(--green-dark);
  color: var(--green-dark);
}
main { padding: 72px 0 100px; }
.breadcrumbs {
  margin-bottom: 18px;
  color: var(--green);
  font-size: 13px;
}
.breadcrumbs a { border-bottom: 1px solid #b9cbb7; }
.page-heading {
  max-width: 760px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
h1, h2, h3 {
  color: var(--green-dark);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-weight: 700;
}
h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.18;
}
h2 {
  margin: 0 0 14px;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.3;
}
h3 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.4;
}
.lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}
.section {
  padding: 54px 0;
  border-bottom: 1px solid var(--line);
}
.section:last-child { border-bottom: 0; }
.section p { max-width: 78ch; margin: 12px 0; }
.section-intro {
  margin: 0 0 26px;
  color: var(--muted);
}
.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 1px;
  background: var(--line);
}
.fact {
  min-height: 112px;
  padding: 22px;
  background: var(--white);
}
.fact dt { color: var(--muted); font-size: 13px; }
.fact dd {
  margin: 6px 0 0;
  color: var(--green-dark);
  font-size: 17px;
  font-weight: 700;
}
.list {
  margin: 16px 0 0;
  padding-left: 1.4em;
}
.list li { margin: 8px 0; }
.ingredients {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow-wrap: anywhere;
}
.ingredients p { margin: 0 0 16px; }
.ingredients p:last-child { margin-bottom: 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  padding: 1px;
  background: var(--line);
}
.step {
  min-height: 220px;
  padding: 24px;
  background: var(--white);
}
.step-no {
  margin-bottom: 16px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}
.faq {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}
.faq details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 700;
}
.faq p { color: var(--muted); }
.note {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 3px solid #9bc7cf;
  background: #f0f7f8;
  color: #415759;
  font-size: 14px;
}
.footer {
  padding: 34px 0 42px;
  background: var(--green-dark);
  color: #edf2e9;
}
.footer-brand {
  font-family: "Songti SC", "STSong", serif;
  font-size: 18px;
  font-weight: 700;
}
.footer-note {
  max-width: 70ch;
  margin-top: 8px;
  color: #cbd7c7;
  font-size: 12px;
}
.footer-meta {
  margin-top: 12px;
  color: #cbd7c7;
  font-size: 12px;
}
.footer-meta a { border-bottom: 1px solid rgba(237, 242, 233, .6); }
@media (max-width: 760px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  nav { justify-content: flex-start; gap: 3px 15px; }
  .facts, .steps { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .wrap { width: min(var(--max), calc(100% - 24px)); }
  main { padding: 48px 0 70px; }
  .lead { font-size: 16px; }
}