:root {
  --ink: #172126;
  --muted: #5f6e75;
  --paper: #fbfaf6;
  --card: #ffffff;
  --ocean: #0b6f77;
  --ocean-soft: #dcefee;
  --sun: #e6a72c;
  --line: #d8dedc;
  --danger: #a33b2f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}
main { max-width: 1080px; margin: 0 auto; padding: 48px 28px 80px; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 4rem); margin: 0 0 12px; }
h2 { margin-top: 48px; padding-top: 12px; border-top: 3px solid var(--ink); }
h3 { margin-bottom: 8px; }
p { max-width: 78ch; }
a { color: var(--ocean); }
.eyebrow { color: var(--ocean); text-transform: uppercase; letter-spacing: .12em; font-weight: 750; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 70ch; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; break-inside: avoid; }
.card strong.en { display: block; font-size: 1.08rem; color: var(--ocean); }
.zh { color: var(--muted); }
.tip { border-left: 5px solid var(--sun); background: #fff7e3; padding: 12px 16px; }
.danger { border-left-color: var(--danger); background: #fff0ed; }
.pill { display: inline-block; background: var(--ocean-soft); color: #0b5960; border-radius: 999px; padding: 2px 9px; font-size: .84rem; margin: 2px 4px 2px 0; }
.toolbar { position: sticky; top: 0; z-index: 3; background: rgba(251,250,246,.94); backdrop-filter: blur(8px); padding: 10px 0; border-bottom: 1px solid var(--line); }
.toolbar a { margin-right: 14px; white-space: nowrap; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; vertical-align: top; padding: 11px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--ocean); font-size: .9rem; }
tr:nth-child(even) td { background: #f7f9f7; }
.day { font-weight: 800; white-space: nowrap; }
.task { color: var(--muted); }
.dialogue { border-left: 3px solid var(--ocean); padding-left: 16px; }
.dialogue b { color: var(--ocean); }
button, .button { border: 0; border-radius: 9px; color: white; background: var(--ocean); padding: 10px 14px; font: inherit; cursor: pointer; }
details { background: white; border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 700; }
.checklist label { display: block; margin: 8px 0; }
footer { margin-top: 56px; color: var(--muted); font-size: .9rem; }
@media (max-width: 700px) { main { padding: 28px 16px 60px; } table { font-size: .88rem; } th,td { padding: 8px; } }
@media print { body { background: white; font-size: 10.5pt; } main { max-width: none; padding: 0; } .toolbar, button { display:none; } h2 { break-after: avoid; } a { color: inherit; text-decoration: none; } }