:root {
  --bg: #0b1420;
  --chrome: #101c2c;
  --line: #24405f;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --gold: #c9a227;
  --card: #0f1a29;
  --card2: #13233a;
  --ok: #34d399;
  --warn: #fbbf24;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.65;
}
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 18px;
  background: var(--chrome);
  border-bottom: 1px solid var(--line);
}
.back { color: var(--muted); text-decoration: none; font-size: 13px; white-space: nowrap; }
.back:hover { color: var(--text); }
.title { flex: 1; font-weight: 700; font-size: 15px; }
.title .sub { color: var(--muted); font-weight: 500; font-size: 12px; margin-left: 8px; }
.dl {
  color: var(--gold); text-decoration: none; font-size: 13px; font-weight: 600;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; white-space: nowrap;
}
.dl:hover { border-color: var(--gold); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 28px 20px 48px; }

.hero { padding: 12px 0 8px; }
.kicker {
  display: inline-block; color: var(--warn); font-size: 12.5px; font-weight: 600;
  border: 1px solid rgba(251,191,36,.4); border-radius: 999px; padding: 4px 12px; margin: 0 0 18px;
  letter-spacing: .02em;
}
h1 { font-size: clamp(26px, 4.6vw, 40px); line-height: 1.25; margin: 0 0 14px; letter-spacing: .01em; }
.lede { color: var(--muted); max-width: 62ch; margin: 0 0 22px; font-size: 15px; }
.stats { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 22px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 18px; min-width: 110px;
}
.stat b { display: block; font-size: 24px; color: var(--gold); line-height: 1.2; }
.stat span { font-size: 12.5px; color: var(--muted); }
.anchors { display: flex; flex-wrap: wrap; gap: 10px; }
.anchors a {
  color: var(--text); text-decoration: none; font-size: 13px; font-weight: 600;
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
}
.anchors a:hover { border-color: var(--gold); color: var(--gold); }

.card {
  margin-top: 34px; padding: 26px 26px 28px;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
}
.card h2 { margin: 0 0 6px; font-size: 22px; display: flex; align-items: baseline; gap: 12px; }
.card h2 .no { color: var(--gold); font-size: 15px; font-weight: 700; }
.card h2 em { color: var(--muted); font-style: normal; font-size: 13px; font-weight: 500; }
.hint { color: var(--muted); margin: 0 0 20px; font-size: 14px; max-width: 70ch; }
.hint.small { font-size: 13px; margin-top: -10px; }
.hint b { color: var(--text); }

.flow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 6px 0 14px; padding: 14px; border: 1px dashed var(--line); border-radius: 12px;
}
.flow i { color: var(--line); font-style: normal; }
.node {
  background: var(--card2); border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 12px; font-size: 13px; font-weight: 600;
}
.node.done { border-color: var(--ok); color: var(--ok); }
.node.end { background: rgba(201,162,39,.12); border-color: var(--gold); color: var(--gold); }

.sheets { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.sheet { background: var(--card2); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.sheet h3 { margin: 0 0 2px; font-size: 15.5px; }
.sheet .meta { color: var(--muted); font-size: 12px; margin: 0 0 10px; }
.sheet ul { margin: 0; padding-left: 18px; }
.sheet li { font-size: 13px; color: var(--text); margin: 4px 0; }

.rounds { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.round {
  background: var(--card2); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; display: flex; flex-direction: column;
}
.round .rhead {
  align-self: flex-start; color: var(--gold); font-size: 12px; font-weight: 700;
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
  letter-spacing: .04em;
}
.round h3 { margin: 0; font-size: 17px; }
.round .en { color: var(--muted); font-size: 12px; margin: 0 0 10px; }
.round .lead { font-size: 13px; color: var(--text); margin: 0 0 12px; padding: 8px 10px; background: rgba(0,0,0,.22); border-radius: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip { font-size: 11.5px; font-weight: 600; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
.chip.score { color: var(--gold); border-color: rgba(201,162,39,.5); }
.chip.out { color: var(--ok); border-color: rgba(52,211,153,.5); }
.round ul { margin: 0; padding-left: 18px; }
.round li { font-size: 13px; margin: 5px 0; }

.checks { display: grid; gap: 8px; margin-bottom: 18px; }
.check {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px;
}
.check .mark { font-weight: 800; font-size: 14px; line-height: 1.5; }
.check .mark.ok { color: var(--ok); }
.check .cbody { display: flex; flex-direction: column; font-size: 13px; }
.check .cbody b { font-size: 13.5px; }
.check .cbody span { color: var(--muted); font-size: 12.5px; }
.cmds { background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.cmds p { margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.cmds pre {
  margin: 0; font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12.5px; line-height: 1.7; color: var(--text); overflow-x: auto; white-space: pre;
}

.files { display: grid; gap: 10px; }
.file {
  display: flex; flex-direction: column; gap: 2px;
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px; color: var(--text); text-decoration: none;
}
.file:hover { border-color: var(--gold); }
.file .fname { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13.5px; color: var(--gold); }
.file .fsub { font-size: 12.5px; color: var(--muted); }
.note {
  margin: 18px 0 0; padding: 12px 14px; font-size: 12.5px; color: var(--muted);
  border-left: 3px solid var(--gold); background: rgba(201,162,39,.06); border-radius: 0 8px 8px 0;
}
.note b { color: var(--text); }

.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding: 16px 20px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--muted);
}
.foot .muted { color: var(--line); }

@media (max-width: 640px) {
  .bar { flex-wrap: wrap; gap: 8px; }
  .title { flex-basis: 100%; order: -1; }
  .card { padding: 20px 16px 22px; }
  .rounds { grid-template-columns: 1fr; }
  .sheets { grid-template-columns: 1fr; }
  h1 { font-size: 26px; }
}