:root {
  --pk-paper: #e3ebf2;
  --pk-ink: #172430;
  --pk-orange: #e06d10;
  --pk-orange-ink: #9a4706;
  --pk-slate: #5a7685;
  --pk-muted: #44606f;
  --pk-line: #c4d2dd;
  --pk-sub: #f3f7fa;
  --pk-frame: #d6e1ea;
  --pk-r-big: 39px;
  --pk-r: 18px;
  --pk-cjk: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --pk-lat: "Gloucester MT Extra Condensed", "Arial Narrow", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--pk-paper);
  color: var(--pk-ink);
  font-family: var(--pk-cjk);
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pk-ink); text-decoration-color: var(--pk-orange); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--pk-orange-ink); }
:focus-visible { outline: 3px solid var(--pk-orange); outline-offset: 2px; border-radius: 4px; }
code { font-family: var(--pk-lat), var(--pk-cjk); }

.pk-skip {
  position: absolute; left: 12px; top: -60px; z-index: 20;
  background: var(--pk-ink); color: var(--pk-sub); padding: 10px 16px; border-radius: var(--pk-r);
}
.pk-skip:focus { top: 10px; color: var(--pk-sub); }

.pk-top { border-bottom: 1px solid var(--pk-line); background: var(--pk-paper); }
.pk-top-in {
  max-width: 1180px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px;
}
.pk-brand { display: inline-flex; align-items: center; min-height: 44px; color: var(--pk-ink); text-decoration: none; }
.pk-logo { width: 118px; height: auto; display: block; }
.pk-nav-list { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.pk-nav-list a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px;
  border-radius: var(--pk-r); text-decoration: none; font-size: 15px; color: var(--pk-ink);
}
.pk-nav-list a:hover { background: var(--pk-sub); }
.pk-nav-list a[aria-current="page"] { background: var(--pk-ink); color: var(--pk-sub); }

.pk-main { display: block; }

.pk-hall-in { max-width: 1180px; margin: 0 auto; padding: 22px 24px 8px; }
.pk-h1 {
  font-size: 32px; line-height: 1.35; margin: 0; font-weight: 700; line-break: strict; letter-spacing: 0.01em;
}
.pk-hall-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 14px; }
.pk-hall-sub { color: var(--pk-muted); font-size: 15px; }

.pk-gate {
  background: var(--pk-frame);
  border-radius: var(--pk-r-big);
  padding: 18px 22px;
  display: grid;
  gap: 0;
}
.pk-cab { height: 18px; background: var(--pk-slate); border-radius: 9px; position: relative; z-index: 1; }
.pk-lane {
  display: grid;
  grid-template-columns: 230px 1fr;
  align-items: center;
  background: var(--pk-sub);
  min-height: 66px;
  margin: 0 6px;
}
.pk-lane-1 { grid-template-columns: 230px 1fr 400px; align-items: stretch; }
.pk-lane-tag { display: flex; align-items: baseline; gap: 10px; padding: 0 16px; flex-wrap: wrap; align-self: center; }
.pk-lane-no { font-family: var(--pk-lat); font-size: 22px; color: var(--pk-slate); letter-spacing: 0.04em; }
.pk-lane-name { font-weight: 700; font-size: 18px; }
.pk-lane-st { font-size: 13px; color: var(--pk-muted); display: inline-flex; align-items: center; gap: 6px; }
.pk-lamp { width: 10px; height: 10px; border-radius: 50%; background: var(--pk-orange); box-shadow: 0 0 0 4px rgba(224, 109, 16, 0.22); display: inline-block; }

.pk-floor {
  position: relative; align-self: stretch; min-height: 66px;
  background-image: linear-gradient(90deg, var(--pk-line) 0 16px, transparent 16px 34px);
  background-size: 34px 3px; background-repeat: repeat-x; background-position: 0 50%;
}
.pk-rotor { position: absolute; left: 38%; top: 0; bottom: 0; width: 0; }
.pk-rotor::before {
  content: ""; position: absolute; left: -13px; top: -9px; width: 26px; height: 26px;
  border-radius: 50%; background: var(--pk-ink); z-index: 2;
}
.pk-rotor i { position: absolute; display: block; background: var(--pk-ink); border-radius: 3px; }
.pk-rotor i:nth-child(1) { left: -3px; top: 4px; width: 6px; bottom: 6px; }
.pk-rotor i:nth-child(2), .pk-rotor i:nth-child(3) { top: 0; width: 5px; height: 14px; left: -2px; transform-origin: 50% 0; }
.pk-rotor i:nth-child(2) { transform: rotate(120deg); }
.pk-rotor i:nth-child(3) { transform: rotate(-120deg); }
.pk-rotor-open i:nth-child(1) {
  top: auto; bottom: auto; left: 6px; width: 46%; min-width: 64px; height: 6px;
  top: calc(50% - 3px); background: var(--pk-orange); position: absolute;
}
.pk-rotor-open::before { top: calc(50% - 13px); }
.pk-rotor-open i:nth-child(2), .pk-rotor-open i:nth-child(3) { top: 50%; }

.pk-plate { position: relative; z-index: 3; padding: 0 12px 14px 0; margin-top: -12px; }

.pk-ka {
  position: relative;
  background: #fbfdfe;
  border: 1px solid var(--pk-line);
  border-top: 4px solid var(--pk-ink);
  border-radius: 0 0 var(--pk-r) var(--pk-r);
  padding: 12px 16px 12px;
}
.pk-ka-head { display: flex; justify-content: space-between; align-items: center; }
.pk-ka-label { font-size: 13px; color: var(--pk-muted); letter-spacing: 0.06em; }
.pk-ka-bolt, .pk-ka-bolt::before {
  width: 8px; height: 8px; border-radius: 50%; background: var(--pk-line); display: inline-block;
}
.pk-ka-bolt { position: relative; margin-right: 14px; }
.pk-ka-bolt::before { content: ""; position: absolute; left: 14px; top: 0; }
.pk-ka-row { display: flex; align-items: center; gap: 14px; margin: 2px 0 4px; }
.pk-ka-code { font-family: var(--pk-lat); font-size: 40px; line-height: 1.15; letter-spacing: 0.06em; color: var(--pk-ink); }
.pk-ka-copy {
  min-height: 44px; min-width: 76px; padding: 0 18px;
  border: 0; border-radius: var(--pk-r); background: var(--pk-orange); color: var(--pk-ink);
  font: 700 15px/1 var(--pk-cjk); cursor: pointer;
}
.pk-ka-copy:hover { background: #c95f0b; }
.pk-ka-copy.pk-done { background: var(--pk-ink); color: var(--pk-sub); }
.pk-ka-gain { font-size: 15px; font-weight: 700; line-height: 1.55; }
.pk-star { color: var(--pk-orange-ink); font-weight: 700; }
.pk-ka-note { font-size: 13px; color: var(--pk-muted); line-height: 1.55; margin-top: 6px; }
.pk-ka-go {
  display: flex; align-items: center; justify-content: center; min-height: 48px; margin: 10px 0 6px;
  background: var(--pk-ink); color: var(--pk-sub); border-radius: var(--pk-r);
  text-decoration: none; font-weight: 700;
}
.pk-ka-go:hover { background: #24384a; color: #fff; }
.pk-ka-say { font-size: 14px; line-height: 1.6; color: var(--pk-ink); }
.pk-ka-wrap { margin: 26px 0 10px; max-width: 520px; }
.pk-ka-wrap .pk-ka { border-radius: 0 0 var(--pk-r) var(--pk-r); }

.pk-sign {
  margin: 16px 0 10px;
  background: var(--pk-ink); color: var(--pk-sub);
  border-radius: var(--pk-r);
  padding: 14px 22px 14px 30px;
  position: relative;
  display: grid; grid-template-columns: auto 1fr; column-gap: 22px; align-items: center;
}
.pk-sign::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 8px; background: var(--pk-orange); border-radius: 0 4px 4px 0; }
.pk-sign-tag { font-size: 13px; color: #f4a462; grid-row: span 2; letter-spacing: 0.05em; }
.pk-sign-link {
  color: #fff; font-size: 19px; font-weight: 700; line-height: 1.45;
  min-height: 44px; display: inline-flex; align-items: center; text-decoration-color: var(--pk-orange);
}
.pk-sign-link:hover { color: #ffd8b6; }
.pk-sign-why { font-size: 14px; color: #c9d6e0; line-height: 1.6; }

.pk-home-body { max-width: 1180px; margin: 0 auto; padding: 18px 24px 48px; }
.pk-home-prose { max-width: 38em; }

.pk-page { max-width: 820px; margin: 0 auto; padding: 18px 24px 56px; }
.pk-prose { max-width: 38em; }
.pk-prose p { margin: 0 0 1.05em; }
.pk-prose h2 {
  font-size: 23px; line-height: 1.45; margin: 2.1em 0 0.7em; padding-top: 14px;
  border-top: 3px solid var(--pk-ink); line-break: strict; position: relative;
}
.pk-prose h2::after { content: ""; position: absolute; left: 0; top: -3px; width: 56px; height: 3px; background: var(--pk-orange); }
.pk-seg { display: inline-block; }
.pk-prose h3 { font-size: 18px; margin: 1.6em 0 0.5em; }
.pk-prose ul, .pk-prose ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.pk-prose li { margin: 0.35em 0; }
.pk-prose li::marker { color: var(--pk-slate); }
.pk-prose code { background: var(--pk-sub); border: 1px solid var(--pk-line); border-radius: 6px; padding: 1px 6px; font-size: 0.95em; word-break: break-all; }

.pk-ttl { margin-bottom: 18px; }
.pk-crumb ol { list-style: none; margin: 0 0 4px; padding: 0; display: flex; flex-wrap: wrap; font-size: 14px; color: var(--pk-muted); }
.pk-crumb li { display: inline-flex; align-items: center; }
.pk-crumb li + li::before { content: "/"; margin: 0 8px; color: var(--pk-line); }
.pk-crumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--pk-muted); }
.pk-crumb span { display: inline-flex; align-items: center; min-height: 44px; }
.pk-art-h1 { font-size: 30px; }
.pk-byline { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 10px; font-size: 14px; color: var(--pk-muted); }
.pk-byline span, .pk-byline a { display: inline-flex; align-items: center; min-height: 44px; }
.pk-byline a { color: var(--pk-muted); }

.pk-board {
  background: var(--pk-sub); border: 1px solid var(--pk-line); border-left: 6px solid var(--pk-orange);
  border-radius: 6px var(--pk-r) var(--pk-r) 6px; padding: 14px 18px; margin: 0 0 22px; font-size: 15px;
}
.pk-board-h { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.pk-board-line { margin-bottom: 6px; line-height: 1.65; }
.pk-board-foot { font-size: 14px; color: var(--pk-muted); }

.pk-cover { margin: 0 0 22px; }
.pk-cover img { border-radius: var(--pk-r); width: 100%; }
.pk-cover figcaption, .pk-shot figcaption { font-size: 14px; color: var(--pk-muted); margin-top: 8px; line-height: 1.6; }

.pk-toc { background: var(--pk-sub); border-radius: var(--pk-r); padding: 4px 18px 10px; margin: 0 0 26px; border: 1px solid var(--pk-line); }
.pk-toc summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; }
.pk-toc-list { margin: 0; padding: 0 0 0 4px; list-style: none; counter-reset: pk-t; border-left: 3px solid var(--pk-slate); }
.pk-toc-list li { counter-increment: pk-t; position: relative; padding-left: 40px; }
.pk-toc-list li::before {
  content: counter(pk-t, decimal-leading-zero); position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  font-family: var(--pk-lat); color: var(--pk-orange-ink); font-size: 17px;
}
.pk-toc-list a { display: flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 15px; line-height: 1.45; }
.pk-toc-list a:hover { text-decoration: underline; }

.pk-shot { margin: 22px 0 24px; }
.pk-shot img { border-radius: var(--pk-r); border: 1px solid var(--pk-line); }
.pk-tbl { overflow-x: auto; margin: 18px 0 24px; border: 1px solid var(--pk-line); border-radius: var(--pk-r); background: #fbfdfe; max-width: 100%; }
.pk-tbl table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 14.5px; line-height: 1.6; }
.pk-tbl caption { text-align: left; padding: 12px 14px 4px; font-weight: 700; font-size: 15px; }
.pk-tbl th, .pk-tbl td { padding: 10px 14px; border-top: 1px solid var(--pk-line); vertical-align: top; text-align: left; }
.pk-tbl thead th { background: var(--pk-ink); color: var(--pk-sub); border-top: 0; font-weight: 700; }
.pk-tbl tbody th { font-weight: 700; background: var(--pk-sub); }
.pk-al-center { text-align: center; }
.pk-al-right { text-align: right; }

.pk-faq-list { margin: 0; }
.pk-faq-list dt { font-weight: 700; font-size: 17px; margin-top: 18px; padding-left: 14px; border-left: 4px solid var(--pk-orange); line-height: 1.55; }
.pk-faq-list dd { margin: 8px 0 0 18px; }

.pk-after { max-width: 38em; margin-top: 34px; border-top: 1px solid var(--pk-line); padding-top: 16px; }
.pk-tagbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.pk-tagbar-h { font-size: 14px; color: var(--pk-muted); }
.pk-tagbar ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pk-tagbar li > * { display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px; border: 1px solid var(--pk-line); border-radius: var(--pk-r); font-size: 14px; background: var(--pk-sub); }
.pk-next { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 14px; }
.pk-next a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; }

.pk-count { font-family: var(--pk-lat), var(--pk-cjk); color: var(--pk-muted); margin: 6px 0 10px; font-size: 16px; }
.pk-list { list-style: none; margin: 0; padding: 0; }
.pk-list-item { background: var(--pk-sub); border: 1px solid var(--pk-line); border-left: 6px solid var(--pk-slate); border-radius: 6px var(--pk-r) var(--pk-r) 6px; padding: 12px 18px 14px; margin-bottom: 14px; }
.pk-list-link { font-size: 19px; font-weight: 700; display: inline-flex; min-height: 44px; align-items: center; line-height: 1.45; }
.pk-list-sum { color: var(--pk-ink); font-size: 15px; }
.pk-list-meta { color: var(--pk-muted); font-size: 13px; margin-top: 4px; }
.pk-pages { display: flex; gap: 18px; align-items: center; margin-top: 18px; }
.pk-pages a { min-height: 44px; display: inline-flex; align-items: center; }

.pk-dl { display: grid; grid-template-columns: 8.5em 1fr; gap: 8px 16px; background: var(--pk-sub); border-radius: var(--pk-r); padding: 16px 18px; border: 1px solid var(--pk-line); margin: 0 0 1.4em; }
.pk-dl dt { font-weight: 700; }
.pk-dl dd { margin: 0; }
.pk-note { font-size: 14px; color: var(--pk-muted); }

.pk-find-form label { font-weight: 700; display: block; margin-bottom: 6px; }
.pk-find-row { display: flex; gap: 10px; }
.pk-find-row input {
  flex: 1; min-width: 0; min-height: 48px; padding: 0 14px; font: 16px var(--pk-cjk);
  border: 2px solid var(--pk-slate); border-radius: var(--pk-r); background: #fbfdfe; color: var(--pk-ink);
}
.pk-find-row button {
  min-height: 48px; padding: 0 20px; border: 0; border-radius: var(--pk-r); background: var(--pk-orange); color: var(--pk-ink);
  font: 700 16px var(--pk-cjk); cursor: pointer;
}
.pk-find-state { margin: 14px 0 8px; color: var(--pk-muted); font-size: 15px; }
.pk-find-out { list-style: none; margin: 0; padding: 0; }
.pk-find-item { border-bottom: 1px solid var(--pk-line); padding: 8px 0; }
.pk-find-item a { font-weight: 700; display: inline-flex; min-height: 44px; align-items: center; }
.pk-find-sum { font-size: 14px; color: var(--pk-muted); }

.pk-lost { padding-top: 40px; }
.pk-lost-bar { height: 18px; background: var(--pk-slate); border-radius: 9px; position: relative; margin-bottom: 26px; max-width: 420px; }
.pk-lost-bar span { position: absolute; left: 40%; top: 18px; width: 6px; height: 46px; background: var(--pk-ink); border-radius: 3px; }
.pk-lost-bar span::before { content: ""; position: absolute; left: -10px; top: -12px; width: 26px; height: 26px; border-radius: 50%; background: var(--pk-ink); }
.pk-lost .pk-h1 { margin-top: 56px; }
.pk-lost-say { margin: 12px 0; }
.pk-lost-go { padding-left: 1.2em; }
.pk-lost-go a { display: inline-flex; min-height: 44px; align-items: center; }

.pk-foot { background: var(--pk-ink); color: #dfe7ee; margin-top: 30px; }
.pk-foot-in { max-width: 1180px; margin: 0 auto; padding: 30px 24px 26px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px 40px; }
.pk-foot a { color: #f3f7fa; }
.pk-foot a:hover { color: #ffd8b6; }
.pk-logo-foot { color: #f3f7fa; }
.pk-logo-foot rect:first-child { fill: #f3f7fa; }
.pk-logo-foot circle { fill: #172430; }
.pk-foot-say { margin: 8px 0 0; font-size: 14px; line-height: 1.7; }
.pk-foot-say a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
.pk-foot-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; align-content: start; }
.pk-foot-links a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; font-size: 14px; }
.pk-foot-end { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 24px; align-items: center; border-top: 1px solid #2f4456; padding-top: 10px; font-size: 13px; }
.pk-rss { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .pk-top-in { flex-direction: column; align-items: stretch; padding: 0 16px; gap: 0; min-height: 0; }
  .pk-brand { min-height: 48px; }
  .pk-logo { width: 104px; }
  .pk-nav-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin: 0 -6px 4px; }
  .pk-nav-list a { justify-content: center; padding: 0 4px; font-size: 14px; width: 100%; }
  .pk-hall-in { padding: 12px 16px 4px; }
  .pk-h1 { font-size: 24px; }
  .pk-art-h1 { font-size: 24px; }
  .pk-hall-head { margin-bottom: 10px; }
  .pk-hall-sub { display: none; }
  .pk-gate { padding: 10px 10px; border-radius: var(--pk-r); }
  .pk-cab { height: 12px; border-radius: 6px; }
  .pk-lane, .pk-lane-1 { grid-template-columns: 1fr 74px; min-height: 52px; margin: 0 4px; }
  .pk-lane-tag { padding: 0 10px; gap: 2px 8px; }
  .pk-lane-no { font-size: 18px; }
  .pk-lane-name { font-size: 16px; }
  .pk-floor { min-height: 52px; }
  .pk-rotor { left: 46%; }
  .pk-rotor { left: 40%; }
  .pk-rotor-open i:nth-child(1) { min-width: 22px; width: 22px; }
  .pk-plate { grid-column: 1 / -1; padding: 0 8px 10px; margin-top: 0; }
  .pk-ka { padding: 8px 12px 10px; }
  .pk-ka-code { font-size: 34px; }
  .pk-ka-gain { font-size: 14.5px; }
  .pk-sign { grid-template-columns: 1fr; padding: 12px 16px 12px 24px; margin-top: 12px; }
  .pk-sign-tag { grid-row: auto; }
  .pk-sign-link { font-size: 17px; }
  .pk-home-body, .pk-page { padding-left: 16px; padding-right: 16px; }
  .pk-prose h2 { font-size: 20px; }
  .pk-foot-in { grid-template-columns: 1fr; padding: 24px 16px; }
  .pk-dl { grid-template-columns: 1fr; gap: 2px; }
  .pk-dl dd { margin-bottom: 8px; }
}

@media (prefers-reduced-motion: no-preference) {
  .pk-ka-copy, .pk-nav-list a, .pk-ka-go { transition: background-color 0.15s ease; }
}