:root {
  --bg: #FBF6EC;
  --surface: #FFFDF8;
  --ink: #3A2F26;
  --muted: #7B6D60;
  --line: #EADFCC;
  --primary: #4A7A43;
  --primary-soft: #E6F0DF;
  --accent: #C4636C;
  --wood: #D9B98C;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1F1A16;
    --surface: #2A231E;
    --ink: #F1E7D8;
    --muted: #B8A894;
    --line: #3E342B;
    --primary: #9BC48F;
    --primary-soft: #2E3A29;
    --accent: #E39AA1;
    --wood: #6E5638;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--primary); text-underline-offset: 3px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
header.site .wrap { display: flex; align-items: center; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 19px; color: var(--ink); text-decoration: none; }
.brand img { width: 30px; height: 30px; object-fit: contain; }
nav.links { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
nav.links a { text-decoration: none; color: var(--muted); font-weight: 600; }
nav.links a[aria-current="page"] { color: var(--primary); }
main { padding: 32px 0 56px; }
h1 { font-size: 30px; line-height: 1.3; margin: 0 0 8px; letter-spacing: .01em; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, li { color: var(--ink); }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.meta { color: var(--muted); font-size: 14px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: 0 2px 0 var(--wood);
}
.hero { display: grid; gap: 24px; align-items: center; }
.hero img.room { width: 100%; max-height: 440px; object-fit: cover; object-position: center 60%; border-radius: 24px; border: 1px solid var(--line); display: block; }
.cats { display: flex; gap: 8px; justify-content: center; margin-top: -54px; position: relative; }
.cats img { width: 92px; height: 92px; object-fit: contain; filter: drop-shadow(0 4px 6px rgba(0,0,0,.18)); }
.pill { display: inline-block; padding: 2px 12px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 700; font-size: 14px; }
.features { display: grid; grid-template-columns: 1fr; gap: 12px; padding: 0; list-style: none; }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; }
.features b { display: block; }
.todo { background: #FFE9A8; color: #5B4300; padding: 0 6px; border-radius: 6px; font-weight: 700; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 12px 16px; margin: 10px 0; }
details summary { cursor: pointer; font-weight: 700; }
details[open] summary { margin-bottom: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 700; white-space: nowrap; }
hr { border: 0; border-top: 1px dashed var(--line); margin: 40px 0; }
footer.site { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; gap: 16px; flex-wrap: wrap; }
@media (min-width: 720px) {
  h1 { font-size: 36px; }
  .features { grid-template-columns: 1fr 1fr; }
}