/* 数字花园样式 —— 温暖、安静、带一点秋日气质 */
:root {
  --bg: #faf6ee;
  --paper: #fffdf8;
  --ink: #33302a;
  --ink-soft: #7c7669;
  --accent: #a9762f;
  --accent-soft: #e8d8bd;
  --line: #e7dfd0;
  --chip-bg: #f1e8d8;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.85;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

a { color: var(--accent); text-decoration: none; }

/* ---------- 首页 ---------- */
.garden-head { margin: 6px 0 42px; }
.kicker {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 3px;
  margin: 0 0 14px;
  text-transform: uppercase;
}
.garden-head h1 {
  font-family: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 6px;
  margin: 0 0 16px;
}
.intro {
  color: var(--ink-soft);
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 15px;
}
.search { margin-bottom: 8px; }
.search input {
  width: 100%;
  max-width: 420px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 15px;
  color: var(--ink);
  outline: none;
}
.search input:focus { border-color: var(--accent); }
.hint { color: var(--ink-soft); font-size: 13px; min-height: 18px; margin: 6px 0 0; }

/* 分组 */
.group { margin-bottom: 54px; }
.group-head { margin-bottom: 18px; }
.group-head h2 {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 22px;
  letter-spacing: 4px;
  margin: 0 0 6px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}
.group-head p { color: var(--ink-soft); margin: 0; font-size: 14px; }

/* 卡片 */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(120, 100, 60, .08); border-color: var(--accent-soft); }
.card-link { display: block; padding: 20px 22px; color: inherit; }
.card h3 {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}
.card .sum { margin: 0 0 12px; color: var(--ink-soft); font-size: 14.5px; }

/* 标签 chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--chip-bg);
  color: var(--ink-soft);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
}

/* ---------- 笔记页 ---------- */
.top-nav { margin-bottom: 30px; }
.top-nav a { color: var(--ink-soft); font-size: 14px; }
.top-nav a:hover { color: var(--accent); }

.note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px 44px 48px;
}
.group-chip { color: var(--accent); background: var(--accent-soft); }
.note-head { margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.note-head h1 {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 30px;
  font-weight: 700;
  margin: 14px 0 14px;
  line-height: 1.45;
}
.note-head .sum { color: var(--ink-soft); margin: 0 0 14px; font-size: 14.5px; }

/* 正文 */
.content { font-size: 16px; }
.content p { margin: 0 0 1.15em; }
.content h2 {
  font-family: "Noto Serif SC", "Songti SC", Georgia, serif;
  font-size: 21px;
  margin: 1.9em 0 .75em;
  padding-left: 10px;
  border-left: 3px solid var(--accent);
}
.content h3 { font-size: 18px; margin: 1.6em 0 .6em; }
.content ul, .content ol { padding-left: 1.5em; margin: 0 0 1.15em; }
.content li { margin-bottom: .4em; }
.content blockquote {
  margin: 1.2em 0;
  padding: 2px 16px;
  border-left: 3px solid var(--accent-soft);
  color: var(--ink-soft);
}
.content blockquote p { margin: .6em 0; }
.content hr { border: none; border-top: 1px solid var(--line); margin: 2em 0; }
.content strong { font-weight: 700; }
.content em { font-style: italic; }
.content a { border-bottom: 1px solid transparent; }
.content a:hover { border-bottom-color: var(--accent); }
.content code {
  background: var(--chip-bg);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: .9em;
  font-family: "SF Mono", Consolas, "Courier New", monospace;
}
.content pre {
  background: var(--chip-bg);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
}
.content pre code { background: none; padding: 0; }

/* 连接（引用与回链） */
.garden-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 26px;
}
.link-col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
}
.link-col h3 {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-soft);
  margin: 0 0 10px;
  text-transform: uppercase;
}
.link-col ul { list-style: none; margin: 0; padding: 0; }
.link-col li { margin: 6px 0; }
.link-col a { color: var(--ink); font-size: 15px; }
.link-col a:hover { color: var(--accent); }

/* 页脚 */
.foot {
  margin-top: 50px;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-soft);
}

@media (max-width: 600px) {
  .wrap { padding: 34px 16px 60px; }
  .garden-head h1 { font-size: 30px; letter-spacing: 4px; }
  .note { padding: 26px 20px 32px; }
  .note-head h1 { font-size: 23px; }
  .garden-links { grid-template-columns: 1fr; }
}