/* Work Happy / 打工小账本 · GitHub Pages legal */
:root {
  --ink: #1a1a1a;
  --body: #2c2c2c;
  --muted: #666;
  --canvas: #faf8f4;
  --card: #ffffff;
  --accent: #b8860b;
  --line: #e6e0d4;
  --max: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #f3eee4 0%, var(--canvas) 30%, #fff 100%);
  color: var(--body);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover { color: #8a6508; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3.5rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 1rem 0 1.25rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.75rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: inherit;
  text-decoration: none;
}

.brand strong {
  font-size: 1.15rem;
  color: var(--ink);
}

.brand span {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-size: 0.95rem;
}

.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}

h1 {
  font-size: 1.55rem;
  color: var(--ink);
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.1rem;
  color: var(--ink);
  margin: 1.6rem 0 0.6rem;
}

h3 {
  font-size: 1rem;
  color: var(--ink);
  margin: 1.1rem 0 0.4rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  margin: 1rem 0;
}

.note {
  background: #fff8e8;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.links { list-style: none; padding: 0; margin: 0; }
.links li { margin: 0 0 1rem; }
.links p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.92rem; }

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

code {
  font-size: 0.9em;
  background: #f0ebe3;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}