/* ============================================================
   K1体育 · 方言哨 — /assets/site.css
   共享外壳：框架式头部、页脚、排版基座与通用组件
   ============================================================ */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, ol, ul, figure, blockquote, dl, dd, address {
  margin: 0;
}

ol, ul { list-style: none; padding: 0; }

img, svg, video { display: block; max-width: 100%; }

button { font: inherit; color: inherit; background: none; border: 0; }

a { color: inherit; }

main { display: block; }

#main-content { display: block; }

/* ---------- 2. tokens ---------- */
:root {
  --ink-900: #0A1420;   /* 夜赛深蓝 · 主背景 */
  --ink-800: #0F1D2C;   /* 深蓝二档 · 区块 */
  --ink-700: #16293C;   /* 深蓝三档 · 卡片表头 */
  --line:    #23384D;   /* 刻线蓝 */
  --gold:      #E8B44C; /* 麦浪金 */
  --gold-soft: #F6D38A; /* 麦浪金浅 */
  --teal:      #4FB3A8; /* 哨声青 */
  --red:       #D9483F; /* 记分牌红 */
  --paper:     #F3EDE1; /* 纸白 */
  --muted:     #93A4B5; /* 灰蓝 */

  --bar: 64px;
  --rail: 76px;
  --shell: 1320px;
  --gutter: clamp(20px, 4vw, 56px);

  --ease: cubic-bezier(.2, .7, .3, 1);
  --t: 160ms;

  --font-display: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Mono",
    Consolas, "Liberation Mono", monospace;
  --font-kai: "Kaiti SC", "STKaiti", "KaiTi", "楷体", serif;
}

@media (max-width: 600px) {
  :root { --bar: 58px; }
}

/* ---------- 3. base typesetting ---------- */
body {
  min-height: 100vh;
  padding-top: var(--bar);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(36px, 6vw, 72px); }
h2 { font-size: clamp(26px, 3.6vw, 40px); }
h3 { font-size: clamp(20px, 2.4vw, 28px); line-height: 1.2; }
h4 { font-size: 18px; line-height: 1.3; }

p { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ---------- 4. skip link ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: top var(--t) var(--ease);
}
.skip-link:focus {
  top: 10px;
}

/* ---------- 5. header / frame ---------- */
.site-header {
  position: relative;
  z-index: 80;
}

.frame-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  height: var(--bar);
  padding-inline: clamp(14px, 2.4vw, 28px);
  background: rgba(10, 20, 32, 0.94);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.frame-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(232, 180, 76, 0.12);
  pointer-events: none;
}
.frame-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 90ms linear;
}

/* brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex: none;
}
.brand__mark {
  display: inline-block;
  padding: 3px 6px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}
.brand__text {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
  white-space: nowrap;
}
.brand:hover .brand__text { color: var(--gold-soft); }

/* status */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid rgba(232, 180, 76, 0.32);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  flex: none;
}
.status-chip__dot {
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--teal);
  animation: chip-pulse 2.4s ease-in-out infinite;
}
@keyframes chip-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

/* top actions */
.header-back {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-decoration: none;
  padding-block: 5px;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.header-back::before { content: "← "; }
.header-back:hover {
  color: var(--gold);
  border-bottom-color: rgba(232, 180, 76, 0.45);
}

.header-contact {
  margin-left: auto;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease),
    background-color var(--t) var(--ease);
}
.header-contact:hover {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(232, 180, 76, 0.06);
}

/* mobile toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
  flex: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.nav-toggle:hover { color: var(--gold); border-color: rgba(232, 180, 76, 0.6); }
.nav-toggle__bars {
  width: 14px;
  height: 2px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor;
  transition: background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.nav-toggle__label { line-height: 1; }
.nav-toggle[aria-expanded="true"] {
  color: var(--gold);
  border-color: rgba(232, 180, 76, 0.6);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: var(--gold);
  box-shadow: 0 5px 0 var(--gold);
}

/* rail (mobile: slide-in panel) */
.frame-rail {
  position: fixed;
  top: var(--bar);
  left: 0;
  bottom: 0;
  z-index: 70;
  width: min(340px, 88vw);
  padding-block: 6px;
  background: var(--ink-800);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(-101%);
  visibility: hidden;
  transition: transform 180ms var(--ease), visibility 180ms var(--ease);
}
.frame-rail[data-open] {
  transform: translateX(0);
  visibility: visible;
}

.rail-list { display: flex; flex-direction: column; }
.rail-list__item { display: block; }
.rail-list__item + .rail-list__item { border-top: 1px solid var(--line); }

.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 22px;
  color: rgba(243, 237, 225, 0.74);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease),
    border-color var(--t) var(--ease);
}
.rail-link__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color var(--t) var(--ease);
}
.rail-link__label {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.rail-link:hover {
  color: var(--gold-soft);
  background: rgba(232, 180, 76, 0.06);
  border-left-color: var(--gold);
}
.rail-link:hover .rail-link__num { color: var(--gold); }
.rail-link[aria-current="page"] {
  color: var(--gold);
  background: var(--ink-700);
  border-left-color: var(--gold);
}
.rail-link[aria-current="page"] .rail-link__num { color: var(--gold); }
.rail-link:focus-visible { outline-offset: -3px; }

/* ---------- 6. footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 120px);
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(120px, 22vw, 320px);
  height: 2px;
  background: var(--gold);
}

.footer-frame {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(44px, 6vw, 80px) var(--gutter) clamp(36px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(32px, 5vw, 72px);
}

.footer-brand__mark {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
  line-height: 1.2;
}
.footer-brand__summary {
  margin-top: 14px;
  max-width: 24em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 237, 225, 0.72);
}
.footer-brand__note {
  margin-top: 20px;
  padding-left: 12px;
  border-left: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--muted);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
.footer-nav__group { min-width: 0; }
.footer-nav__title {
  margin-bottom: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--teal);
}
.footer-nav__list { display: flex; flex-direction: column; }
.footer-nav__link {
  display: inline-block;
  padding-block: 6px;
  font-size: 14.5px;
  color: rgba(243, 237, 225, 0.74);
  text-decoration: none;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}
.footer-nav__link:hover {
  color: var(--gold-soft);
  transform: translateX(4px);
}

.footer-contact {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-style: normal;
}
.footer-contact__line {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.footer-contact__line:last-child {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.7;
}

.footer-base {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 18px var(--gutter) 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.footer-base__legal { min-width: 0; }
.footer-base__meta { margin-left: auto; }
.footer-base__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 76, 0.4);
  padding-bottom: 1px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.footer-base__link:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

/* ---------- 7. layout primitives ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(56px, 8vw, 120px); }

.section__head { max-width: 60ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--teal);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
  flex: none;
}

.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: clamp(24px, 4vw, 48px);
}

.grid { display: grid; gap: clamp(20px, 3vw, 40px); }
.grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- 8. text blocks ---------- */
.lede {
  max-width: 32em;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.8;
  color: rgba(243, 237, 225, 0.86);
}

.prose {
  max-width: 34em;
  color: rgba(243, 237, 225, 0.86);
  font-size: 17px;
  line-height: 1.8;
}
.prose p + p { margin-top: 1.1em; }
.prose h2, .prose h3 { margin-top: 1.6em; margin-bottom: 0.6em; }
.prose strong { color: var(--paper); font-weight: 800; }
.prose a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 76, 0.4);
}
.prose a:hover { border-bottom-color: var(--gold); }

.note {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-family: var(--font-kai);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.vert-note {
  font-family: var(--font-kai);
  font-size: 13px;
  letter-spacing: 0.22em;
  line-height: 1.4;
  color: var(--muted);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* ---------- 9. buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease),
    border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}
.btn--primary:hover { background: var(--gold-soft); border-color: var(--gold-soft); }
.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--sm { padding: 8px 14px; font-size: 13px; }

/* ---------- 10. breadcrumb ---------- */
.breadcrumb { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.1em; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--line);
}
.breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}
.breadcrumb__link:hover { color: var(--gold); }
.breadcrumb__current { color: var(--paper); }

/* ---------- 11. card ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2px;
  height: 28px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}
.card:hover,
.card:focus-within {
  border-color: rgba(232, 180, 76, 0.45);
  background: var(--ink-700);
}
.card:hover::before,
.card:focus-within::before { opacity: 1; }

.card__index {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.card__title {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.card__title a {
  display: inline-block;
  text-decoration: none;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}
.card:hover .card__title a,
.card__title a:focus-visible { color: var(--gold-soft); transform: translateX(4px); }
.card__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 12. tags ---------- */
.tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: var(--muted);
}
.tag--gold { color: var(--gold); border-color: rgba(232, 180, 76, 0.45); }
.tag--teal { color: var(--teal); border-color: rgba(79, 179, 168, 0.45); }
.tag--red { color: var(--red); border-color: rgba(217, 72, 63, 0.5); }

/* ---------- 13. data table ---------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(22, 41, 60, 0.4);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 520px;
}
.data-table caption {
  padding: 0 0 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.data-table th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted);
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.data-table td {
  padding: 12px 14px;
  color: rgba(243, 237, 225, 0.86);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: rgba(22, 41, 60, 0.65); }
.data-table__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.data-table__score {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
}

/* ---------- 14. media containers ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-700);
  aspect-ratio: 16 / 9;
}
.media__img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 3;
  max-width: 100%;
  padding: 6px 10px;
  background: rgba(10, 20, 32, 0.86);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media--glow {
  background:
    radial-gradient(120% 90% at 72% 14%, rgba(232, 180, 76, 0.32), rgba(79, 179, 168, 0.12) 46%, rgba(10, 20, 32, 0) 72%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900));
}
.media--turf {
  background:
    repeating-linear-gradient(102deg,
      rgba(79, 179, 168, 0.16) 0 12px,
      rgba(15, 29, 44, 0.9) 12px 24px),
    linear-gradient(180deg, #10303A, var(--ink-900));
}
.media--board {
  background: linear-gradient(135deg, var(--ink-700), var(--ink-800) 55%, var(--ink-900));
}
.media--board::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(35, 56, 77, 0.9) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(35, 56, 77, 0.9) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.5;
}

/* ---------- 15. responsive ---------- */
@media (max-width: 1023px) {
  .header-back,
  .header-contact { display: none; }
}

@media (max-width: 520px) {
  .status-chip { display: none; }
  .brand__text { font-size: 15px; }
}

@media (max-width: 960px) {
  .grid--7-5,
  .grid--8-4,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }
  .footer-frame { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-base__meta { margin-left: 0; }
}

@media (max-width: 640px) {
  .grid--halves { grid-template-columns: minmax(0, 1fr); }
  body { font-size: 16px; }
}

@media (max-width: 420px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .brand__mark { display: none; }
}

/* desktop frame: rail becomes the left border of the page */
@media (min-width: 1024px) {
  body { padding-left: var(--rail); }

  .frame-rail {
    top: var(--bar);
    width: var(--rail);
    padding-block: 10px;
    border-right: 1px solid var(--line);
    transform: none;
    visibility: visible;
    transition: none;
    overflow-y: auto;
  }

  .nav-toggle { display: none; }

  .rail-link {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 16px 0;
  }
  .rail-link__label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.24em;
    line-height: 1;
  }
  .rail-link__num { font-size: 10px; letter-spacing: 0.12em; }
}

/* ---------- 16. reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .status-chip__dot { animation: none; opacity: 1; }
  .frame-progress__bar { transition: none; }
}