/* =========================================================
   九博体育指南 — 共享样式 /assets/site.css
   1 Reset · 2 Tokens · 3 Base · 4 Layout · 5 Header
   6 Footer · 7 Components · 8 Responsive · 9 Motion
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar-h) + 24px);
}

body { margin: 0; }

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

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

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

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

table { border-collapse: collapse; border-spacing: 0; }

/* ---------- 2. Tokens ---------- */
:root {
  --glacier-900: #0A2029;
  --glacier-700: #123F52;
  --glacier-500: #1C6A87;
  --glacier-300: #8FBCCB;
  --glacier-050: #ECF4F7;
  --prayer-orange: #DE5F23;
  --prayer-orange-100: #F9DCC9;
  --snow-white: #FBFAF8;
  --ink-green: #2E5B49;
  --ink-green-050: #E2ECE6;
  --graphite: #23292C;
  --mist: #6D787E;

  --font-head: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max-w: 1240px;
  --rail: 104px;
  --gutter: 48px;
  --bar-h: 64px;

  --ease: cubic-bezier(.22, .7, .32, 1);
  --shadow-lift: 0 18px 40px -28px rgba(10, 32, 41, .55);
  --shadow-drop: 0 28px 56px -36px rgba(10, 32, 41, .6);
}

/* ---------- 3. Base typography ---------- */
body {
  background: var(--snow-white);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.24;
  color: var(--glacier-900);
}

a {
  color: var(--glacier-500);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease),
              background-color .16s var(--ease), transform .16s var(--ease);
}

a:hover { color: var(--glacier-700); }

::selection { background: var(--prayer-orange-100); color: var(--glacier-900); }

:focus-visible {
  outline: 2px solid var(--prayer-orange);
  outline-offset: 2px;
  border-radius: 2px;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 4. Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-inline: clamp(16px, 3vw, 32px);
}

.grid { display: grid; gap: clamp(24px, 3vw, 40px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--aside { grid-template-columns: var(--rail) minmax(0, 1fr); gap: var(--gutter); }

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

.section__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--prayer-orange);
  margin-bottom: 12px;
}

.section__title { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 16px; }

.section__note { color: var(--mist); font-size: .9375rem; max-width: 44ch; }

/* ---------- 5. Header / command bar ---------- */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(251, 250, 248, .88);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--glacier-300);
}

.skip-link {
  position: absolute;
  left: clamp(16px, 3vw, 32px);
  top: -56px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--glacier-900);
  color: var(--snow-white);
  font-family: var(--font-head);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: 0 0 8px 8px;
  transition: top .16s var(--ease);
}

.skip-link:focus { top: 0; color: var(--snow-white); }

.cmd-bar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  min-height: var(--bar-h);
  padding-inline: clamp(16px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

.brand { display: flex; flex-direction: column; gap: 2px; padding-block: 10px; }

.brand__mark {
  display: block;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.2;
  color: var(--glacier-900);
}

.brand__tag {
  display: block;
  font-family: var(--font-body);
  font-size: .75rem;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--mist);
}

.cmd-nav { display: flex; align-items: center; margin-left: auto; }

.cmd-nav__list { display: flex; align-items: center; gap: 2px; }

.cmd-nav__link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--font-head);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--glacier-700);
  box-shadow: inset 0 -2px 0 transparent;
}

.cmd-nav__link:hover { background: var(--glacier-050); color: var(--glacier-900); }

.cmd-nav__link[aria-current="page"] {
  background: var(--glacier-050);
  color: var(--glacier-900);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--prayer-orange);
}

.cmd-bar__actions { display: flex; align-items: center; gap: 10px; }

.cmd-bar__here {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--mist);
  white-space: nowrap;
  padding-left: 14px;
  border-left: 1px solid var(--glacier-300);
}

.cmd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--glacier-300);
  border-radius: 999px;
  background: var(--snow-white);
  color: var(--glacier-700);
  font-family: var(--font-head);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .16s var(--ease), border-color .16s var(--ease),
              color .16s var(--ease), transform .16s var(--ease);
}

.cmd-btn:hover { background: var(--glacier-050); border-color: var(--glacier-500); transform: translateY(-1px); }

.cmd-btn[aria-expanded="true"] {
  background: var(--glacier-900);
  border-color: var(--glacier-900);
  color: var(--snow-white);
}

.cmd-btn__key {
  font-family: var(--font-mono);
  font-size: .6875rem;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--glacier-050);
  border: 1px solid var(--glacier-300);
  color: var(--glacier-500);
}

.cmd-btn[aria-expanded="true"] .cmd-btn__key {
  background: rgba(251, 250, 248, .16);
  border-color: transparent;
  color: var(--snow-white);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--glacier-300);
  border-radius: 8px;
  background: var(--snow-white);
  color: var(--glacier-700);
  font-family: var(--font-head);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform .16s var(--ease), top .16s var(--ease);
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] { background: var(--glacier-900); border-color: var(--glacier-900); color: var(--snow-white); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

.index-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 30px) clamp(16px, 3vw, 32px) clamp(18px, 2.4vw, 26px);
  background: var(--snow-white);
  border-top: 1px solid var(--glacier-300);
  border-bottom: 1px solid var(--glacier-300);
  box-shadow: var(--shadow-drop);
  animation: panel-in .18s var(--ease) both;
}

.index-panel[hidden] { display: none; }

.index-panel__title {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--glacier-700);
  margin-bottom: 16px;
}

.index-panel__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 6px;
}

.index-chip {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 6px;
  background: var(--glacier-050);
  color: var(--glacier-700);
}

.index-chip:hover {
  background: var(--ink-green-050);
  color: var(--glacier-900);
  transform: translateY(-1px);
}

.index-chip__code {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--prayer-orange);
}

.index-chip__name { font-family: var(--font-head); font-size: .8125rem; letter-spacing: .02em; }

.index-panel__note {
  margin-top: 16px;
  font-size: .8125rem;
  color: var(--mist);
  max-width: 58ch;
}

.cmd-bar__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--prayer-orange);
  z-index: 2;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 6. Footer ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(96px, 12vw, 160px);
  background: var(--glacier-900);
  color: #C9DCE3;
}

.site-foot::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--glacier-500) 0 46%,
    var(--prayer-orange) 46% 74%,
    var(--ink-green) 74% 100%);
}

.site-foot__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(56px, 7vw, 88px) clamp(16px, 3vw, 32px) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.9fr);
  gap: clamp(32px, 5vw, 64px);
}

.site-foot__brand { grid-column: 1; }

.site-foot__mark {
  color: var(--snow-white);
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.site-foot__tag {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--glacier-300);
  margin-bottom: 18px;
}

.site-foot__closing {
  font-size: .875rem;
  line-height: 1.8;
  color: #9FB8C2;
  max-width: 32ch;
}

.site-foot__cols {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

.foot-col__title {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--glacier-300);
  margin-bottom: 14px;
}

.foot-col__list { display: flex; flex-direction: column; gap: 2px; }

.foot-link {
  display: inline-block;
  padding: 5px 0;
  font-size: .9375rem;
  color: #C9DCE3;
}

.foot-link:hover { color: var(--snow-white); transform: translateX(2px); }

.site-foot__contact { grid-column: 1; }

.foot-label {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--glacier-300);
  margin-bottom: 14px;
}

.foot-contact__line {
  font-size: .875rem;
  line-height: 1.8;
  color: #9FB8C2;
  margin-bottom: 8px;
}

.foot-mail { color: var(--snow-white); letter-spacing: .02em; }

.copy-btn {
  margin-left: 8px;
  padding: 3px 10px;
  border: 1px solid rgba(143, 188, 203, .45);
  border-radius: 999px;
  font-family: var(--font-head);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--glacier-300);
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.copy-btn:hover {
  color: var(--snow-white);
  border-color: var(--prayer-orange);
  background: rgba(222, 95, 35, .18);
}

.foot-record {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(143, 188, 203, .24);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--glacier-300);
}

.site-foot__base {
  max-width: var(--max-w);
  margin: clamp(32px, 5vw, 56px) auto 0;
  padding: 20px clamp(16px, 3vw, 32px) 32px;
  border-top: 1px solid rgba(143, 188, 203, .18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.foot-copy {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--glacier-300);
}

.foot-top {
  font-family: var(--font-head);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--glacier-300);
}

.foot-top:hover { color: var(--prayer-orange); }

.site-foot :focus-visible { box-shadow: 0 0 0 4px rgba(251, 250, 248, .3); }

/* ---------- 7. Components ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: var(--font-head);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease),
              border-color .16s var(--ease), transform .16s var(--ease),
              box-shadow .16s var(--ease);
}

.btn--primary { background: var(--glacier-500); color: var(--snow-white); }
.btn--primary:hover {
  background: var(--glacier-700);
  color: var(--snow-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lift);
}

.btn--ghost {
  background: transparent;
  color: var(--glacier-700);
  border-color: var(--glacier-300);
}

.btn--ghost:hover { background: var(--glacier-050); border-color: var(--glacier-500); color: var(--glacier-900); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--prayer-orange-100);
  color: #7A2D06;
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.breadcrumb { padding-top: 20px; }

.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

.breadcrumb__item { display: flex; align-items: center; gap: 8px; }

.breadcrumb__link {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--mist);
  border-bottom: 1px solid transparent;
}

.breadcrumb__link:hover { color: var(--glacier-500); border-bottom-color: var(--glacier-300); }

.breadcrumb__sep { font-family: var(--font-mono); font-size: .75rem; color: var(--glacier-300); }

.breadcrumb__here {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--glacier-700);
}

.page-head { padding-block: clamp(48px, 7vw, 96px) clamp(24px, 4vw, 40px); }

.page-head__eyebrow {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--prayer-orange);
  margin-bottom: 16px;
}

.page-head__title {
  font-size: clamp(2.2rem, 5.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: .01em;
  max-width: 20ch;
}

.page-head__lede {
  margin-top: 20px;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 36ch;
}

.rail { font-family: var(--font-mono); font-size: .75rem; }

.rail--sticky { position: sticky; top: calc(var(--bar-h) + 32px); align-self: start; }

.rail__title {
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--mist);
  margin-bottom: 14px;
}

.rail__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--glacier-300);
}

.rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid transparent;
  color: var(--mist);
  letter-spacing: .04em;
}

.rail__link:hover { color: var(--glacier-500); }

.rail__link[aria-current="true"] {
  color: var(--glacier-900);
  font-weight: 600;
  border-left-color: var(--prayer-orange);
}

.rail__code { letter-spacing: .06em; }

.panel-solid { background: var(--snow-white); }

.panel-glass {
  background: rgba(236, 244, 247, .62);
  border: 1px solid rgba(143, 188, 203, .6);
  border-radius: 12px;
  padding: clamp(20px, 3vw, 32px);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.panel-data {
  background: var(--ink-green-050);
  border-radius: 12px;
  padding: clamp(20px, 3vw, 32px);
  color: var(--ink-green);
}

.stat-block { display: flex; flex-direction: column; gap: 6px; }

.stat-block__num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 4.4vw, 4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--glacier-700);
  font-variant-numeric: tabular-nums;
}

.stat-block__unit {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--mist);
  margin-left: .35em;
  letter-spacing: .1em;
}

.stat-block__label {
  font-family: var(--font-head);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.table-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--glacier-700);
}

.data-table { width: 100%; font-size: .9375rem; }

.data-table th {
  padding: 14px 16px;
  background: var(--glacier-050);
  border-bottom: 1px solid var(--glacier-300);
  font-family: var(--font-head);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--glacier-700);
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(143, 188, 203, .45);
  vertical-align: top;
}

.data-table tbody tr:hover { background: var(--glacier-050); }

.prose {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 36em;
}

.prose p { margin-bottom: .9em; }

.prose h2, .prose h3 { font-family: var(--font-head); margin: 1.6em 0 .6em; }

.prose a {
  color: var(--glacier-500);
  text-decoration: underline;
  text-decoration-color: var(--glacier-300);
  text-underline-offset: 3px;
}

.prose a:hover { text-decoration-color: var(--glacier-500); }

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--glacier-300);
  border-radius: 12px;
  background:
    repeating-linear-gradient(135deg,
      rgba(143, 188, 203, .18) 0 1px,
      transparent 1px 12px),
    var(--glacier-050);
}

.media-frame__inner { width: 100%; height: 100%; object-fit: cover; }

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.fold { border-top: 1px solid var(--glacier-300); }

.fold__item { border-bottom: 1px solid var(--glacier-300); }

.fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--glacier-700);
  list-style: none;
}

.fold__summary::-webkit-details-marker { display: none; }

.fold__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--prayer-orange);
}

.fold__item[open] .fold__summary::after { content: "－"; }

.fold__body { padding: 0 4px 20px; max-width: 40em; color: var(--graphite); }

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--glacier-300);
  border-radius: 50%;
  background: rgba(251, 250, 248, .92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--glacier-700);
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .04em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s var(--ease), visibility .18s var(--ease),
              transform .18s var(--ease), border-color .18s var(--ease);
}

.to-top[data-visible] { opacity: 1; visibility: visible; }

.to-top:hover { transform: translateY(-2px); border-color: var(--glacier-500); }

/* ---------- 8. Responsive ---------- */
@media (max-width: 1200px) {
  .brand__tag { display: none; }
}

@media (max-width: 1000px) {
  .cmd-bar__here { display: none; }
  .nav-toggle { display: inline-flex; }
  .cmd-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-left: 0;
    padding: 12px clamp(16px, 3vw, 32px) 18px;
    background: var(--snow-white);
    border-bottom: 1px solid var(--glacier-300);
    box-shadow: var(--shadow-drop);
  }
  .cmd-nav[data-open] { display: block; animation: panel-in .18s var(--ease) both; }
  .cmd-nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .cmd-nav__link { display: block; padding: 12px 12px; font-size: .9375rem; }
  .cmd-nav__link[aria-current="page"] { box-shadow: inset 3px 0 0 var(--prayer-orange); }
}

@media (max-width: 900px) {
  .grid--2, .grid--3, .grid--aside { grid-template-columns: minmax(0, 1fr); }
  .rail--sticky { position: static; }
  .rail__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
    border-left: 0;
    border-top: 1px solid var(--glacier-300);
    padding-top: 10px;
  }
  .rail__link {
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 6px 10px;
  }
  .rail__link[aria-current="true"] { border-bottom-color: var(--prayer-orange); }

  .site-foot__inner { grid-template-columns: minmax(0, 1fr); }
  .site-foot__brand,
  .site-foot__contact,
  .site-foot__cols { grid-column: 1; }
  .site-foot__cols { grid-row: auto; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .cmd-bar__inner { gap: 10px; }
  .cmd-btn__text { display: none; }
  .cmd-btn { padding: 7px 10px; }
  .nav-toggle__text { display: none; }
  .index-panel__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-foot__cols { grid-template-columns: minmax(0, 1fr); }
  .page-head__title { max-width: none; }
  .stat-block__num { font-size: 2.4rem; }
}

/* ---------- 9. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  .index-panel,
  .cmd-nav[data-open] { animation: none !important; }

  .btn:hover,
  .cmd-btn:hover,
  .index-chip:hover,
  .foot-link:hover,
  .to-top:hover { transform: none; }
}