:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #5f5f5c;
  --ink-faint: #8f8f8b;
  --line: #e4e4df;
  --accent: #1a7f5a;
  --accent-soft: #eaf5f0;
  --warn: #a8661a;
  --warn-soft: #fdf3e5;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: clamp(24px, 6vw, 72px) clamp(18px, 5vw, 40px);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.055) 1px, transparent 0);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
}

/* ---------- 头部 ---------- */

.head {
  margin-bottom: clamp(32px, 6vw, 56px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px 5px 11px;
  border: 1px solid #cfe6dc;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(26, 127, 90, 0.15);
  animation: breathe 2.4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

h1 {
  margin: 20px 0 12px;
  font-size: clamp(30px, 6.2vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 650;
}

.sub {
  margin: 0;
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: clamp(15px, 2.1vw, 17px);
}

/* ---------- 进度卡片 ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-bottom: clamp(28px, 5vw, 40px);
}

.card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -18px rgba(0, 0, 0, 0.35);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.idx {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

.tag {
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.done .tag {
  background: var(--accent-soft);
  color: var(--accent);
}

.pending .tag {
  background: var(--warn-soft);
  color: var(--warn);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.card code {
  font-family: var(--mono);
  font-size: 0.9em;
  padding: 1px 5px;
  border-radius: 4px;
  background: #f1f1ed;
  color: var(--ink);
}

.done::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--accent);
  opacity: 0.55;
}

/* ---------- 验收命令 ---------- */

.check {
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #20201e;
  color: #e8e8e4;
}

.check h2 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #9a9a94;
}

.check pre {
  margin: 0 0 14px;
  overflow-x: auto;
}

.check code {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  color: #d8d8d2;
}

.check .hint {
  margin: 0;
  font-size: 13px;
  color: #8d8d87;
}

.check .hint code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: #d8d8d2;
}

/* ---------- 页脚 ---------- */

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media print {
  body { background: #fff; }
  .check { background: #f4f4f0; color: var(--ink); }
  .check h2, .check code, .check .hint { color: var(--ink-soft); }
}