/* 时予 · 在线文档 —— 与 App 同一套 MUJI 语言：白底、直角、1px 细线、主题红 */
:root {
  --page: #ffffff;
  --card: #faf5e2;
  --hairline: #e4e1da;
  --text: #1f1d1a;
  --text-2: #6e6a63;
  --text-3: #9c978e;
  --accent: #a32b20;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0a0908;
    --card: #1a150c;
    --hairline: #2f2a24;
    --text: #e2ded5;
    --text-2: #a19b90;
    --text-3: #8b867d;
    --accent: #c4573f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* 顶部：站名 + 语言切换 */
.site-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.wordmark {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text);
  text-decoration: none;
}

.wordmark span {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-3);
  margin-left: 10px;
}

.langs {
  display: flex;
  gap: 14px;
  font-size: 12px;
}

.langs a {
  color: var(--text-3);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.langs a[aria-current="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* 正文 */
h1 {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin: 40px 0 8px;
}

.updated {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.04em;
  margin: 0 0 32px;
}

h2 {
  font-size: 17px;
  font-weight: 500;
  margin: 40px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}

h3 {
  font-size: 15px;
  font-weight: 500;
  margin: 24px 0 8px;
}

p, li { color: var(--text-2); }

p { margin: 0 0 14px; }

ul { margin: 0 0 14px; padding-left: 20px; }

li { margin-bottom: 6px; }

strong { color: var(--text); font-weight: 500; }

a { color: var(--accent); }

/* 首页：三段式目录 */
.lede {
  color: var(--text-2);
  margin: 8px 0 32px;
}

.doc-list {
  border-top: 1px solid var(--hairline);
}

.doc-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
}

.doc-list a small {
  color: var(--text-3);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.lang-block { margin-bottom: 40px; }

.lang-block h2 {
  border-top: 0;
  padding-top: 0;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--text-3);
  text-transform: uppercase;
}

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.9;
}

footer a { color: var(--text-3); }

@media (max-width: 420px) {
  .wrap { padding: 24px 20px 56px; }
  h1 { font-size: 23px; }
  .site-head { align-items: flex-start; }
}