/* ============================================================
   LEYU赛场 · /assets/site.css
   共享层：复位 / 变量 / 中文排版 / 命令栏 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 01 复位 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--bar-h) + 20px);
  scroll-behavior: smooth;
}

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; }

hr { border: 0; }

/* ---------- 02 变量 ---------- */
:root {
  --ink: #0B0F14;
  --ink-2: #131A23;
  --ink-3: #1B2531;
  --blue: #2F6BFF;
  --blue-soft: #6FA0FF;
  --pulse: #B8FF3C;
  --flame: #FF7A1A;
  --stone: #6E7681;
  --moss: #5E7A52;
  --clay: #B4664A;
  --paper: #F2EFE6;

  --paper-82: rgba(242, 239, 230, .82);
  --paper-64: rgba(242, 239, 230, .64);
  --line: rgba(110, 118, 129, .40);
  --line-strong: rgba(110, 118, 129, .82);
  --blue-wash: rgba(47, 107, 255, .16);

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --shadow-hard: 4px 4px 0 rgba(11, 15, 20, .92);
  --shadow-blue: 4px 4px 0 rgba(47, 107, 255, .62);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --dur: 160ms;

  --bar-h: 68px;
  --shell: 1320px;
  --shell-wide: 1480px;
  --shell-narrow: 760px;
}

/* ---------- 03 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(110, 118, 129, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 118, 129, .07) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  color: var(--paper-82);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

h1, h2, h3, h4 {
  color: var(--paper);
  font-weight: 800;
  font-stretch: condensed;
  letter-spacing: -.02em;
  line-height: 1.08;
}

h1 { font-size: clamp(40px, 7vw, 96px); }
h2 { font-size: clamp(24px, 3vw, 40px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
h4 { font-size: 17px; letter-spacing: 0; }

p { max-width: 38em; }

strong { color: var(--paper); font-weight: 700; }

::selection { background: var(--pulse); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--pulse);
  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;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  font-size: .94em;
}

.lede {
  max-width: 34em;
  color: var(--paper-82);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.7;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pulse);
}

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

.cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%); }
.cut--reverse { clip-path: polygon(0 26px, 100% 0, 100% 100%, 0 100%); }

/* ---------- 04 容器与栅格 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 44px);
}
.shell--wide { max-width: var(--shell-wide); }
.shell--narrow { max-width: var(--shell-narrow); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}
.col-main { grid-column: 1 / 8; min-width: 0; }
.col-side { grid-column: 10 / 13; min-width: 0; }

.sticky-rail {
  position: sticky;
  top: calc(var(--bar-h) + 26px);
  align-self: start;
}

/* ---------- 05 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  display: inline-block;
  padding: 10px 16px;
  background: var(--pulse);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  border: 2px solid var(--ink);
}
.skip-link:focus { left: 12px; top: 10px; }

/* ---------- 06 命令栏头部 ---------- */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 15, 20, .95);
  border-bottom: 2px solid var(--line-strong);
  backdrop-filter: blur(6px);
  transition: box-shadow var(--dur) var(--ease);
}
.cmd-bar.is-stuck { box-shadow: 0 6px 0 rgba(47, 107, 255, .30); }

.cmd-bar__progress {
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  pointer-events: none;
}
.cmd-bar__progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--blue) 0%, var(--pulse) 58%, var(--flame) 100%);
}

.cmd-bar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 26px);
  min-height: var(--bar-h);
  padding-block: 10px;
}

.brand-mark {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 11px;
  border-left: 4px solid var(--blue);
  text-decoration: none;
}
.brand-mark__sig {
  color: var(--paper);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  transition: color var(--dur) var(--ease);
}
.brand-mark__num {
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.brand-mark:hover .brand-mark__sig { color: var(--pulse); }

.cmd-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  background: var(--ink-2);
  border: 2px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.cmd-toggle__bars {
  position: relative;
  display: block;
  width: 17px;
  height: 2px;
  background: currentColor;
}
.cmd-toggle__bars::before,
.cmd-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 17px;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}
.cmd-toggle__bars::before { top: -6px; }
.cmd-toggle__bars::after { top: 6px; }
.cmd-toggle:hover { border-color: var(--pulse); color: var(--pulse); }
.cmd-toggle[aria-expanded="true"] .cmd-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.cmd-toggle[aria-expanded="true"] .cmd-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.cmd-nav { flex: 1 1 auto; min-width: 0; }
.cmd-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(4px, .9vw, 16px);
}
.cmd-nav__link {
  position: relative;
  display: block;
  padding: 9px 6px 11px;
  color: var(--paper-64);
  font-size: 13.5px;
  letter-spacing: .02em;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.cmd-nav__link::after {
  content: "";
  position: absolute;
  left: 6px; right: 6px; bottom: 3px;
  height: 2px;
  background: var(--pulse);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 180ms var(--ease);
}
.cmd-nav__link:hover { color: var(--paper); }
.cmd-nav__link:hover::after { transform: scaleX(1); }
.cmd-nav__link[aria-current="page"] { color: var(--paper); font-weight: 700; }
.cmd-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.cmd-tools {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.cmd-schedule {
  display: inline-block;
  padding: 10px 15px;
  background: var(--flame);
  border: 2px solid var(--flame);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  box-shadow: 3px 3px 0 rgba(47, 107, 255, .55);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.cmd-schedule:hover {
  background: var(--pulse);
  border-color: var(--pulse);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(47, 107, 255, .7);
}

.cmd-search {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 6px;
  background: var(--ink-2);
  border: 2px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.cmd-search:focus-within,
.cmd-search[data-open] {
  border-color: var(--blue);
  box-shadow: 3px 3px 0 rgba(47, 107, 255, .38);
}
.cmd-search__field {
  width: 176px;
  padding: 9px 4px;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  outline: none;
  appearance: none;
}
.cmd-search__field::placeholder { color: var(--stone); }
.cmd-search__field::-webkit-search-cancel-button { filter: invert(1) opacity(.55); }

.cmd-search__panel {
  position: absolute;
  left: -2px; right: -2px;
  top: calc(100% + 8px);
  z-index: 100;
  min-width: 280px;
  padding: 12px;
  background: var(--ink-2);
  border: 2px solid var(--blue);
  box-shadow: 6px 6px 0 rgba(11, 15, 20, .9);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 160ms linear;
}
.cmd-search[data-open] .cmd-search__panel,
.cmd-search:focus-within .cmd-search__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.cmd-search__hint {
  max-width: none;
  padding: 0 2px 9px;
  margin-bottom: 7px;
  border-bottom: 1px solid var(--line);
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.cmd-search__suggest { display: grid; gap: 2px; }
.cmd-search__item { display: block; }
.cmd-search__item[hidden] { display: none; }
.cmd-search__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 8px;
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.cmd-search__link:hover { background: var(--blue-wash); border-left-color: var(--pulse); }
.cmd-search__city { color: var(--paper); font-size: 13.5px; }
.cmd-search__meta {
  color: var(--blue-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ---------- 07 页脚 ---------- */
.rail-foot {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink-2);
  border-top: 2px solid var(--line-strong);
  color: var(--paper-64);
}

.rail-foot__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr 1fr;
  gap: clamp(22px, 3vw, 46px);
  padding-block: clamp(34px, 5vw, 66px);
}

.rail-foot__brand { min-width: 0; }
.rail-foot__sig {
  max-width: none;
  margin-bottom: 12px;
  padding-left: 11px;
  border-left: 4px solid var(--clay);
  color: var(--paper);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.rail-foot__tagline {
  max-width: 24em;
  color: var(--paper-82);
  font-size: 14.5px;
}
.rail-foot__note {
  max-width: 30em;
  margin-top: 12px;
  color: var(--stone);
  font-size: 13px;
  line-height: 1.7;
}

.rail-foot__col { min-width: 0; }
.rail-foot__title {
  margin-bottom: 14px;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.rail-foot__list { display: grid; gap: 9px; }
.rail-foot__link {
  position: relative;
  display: inline-block;
  color: var(--paper-64);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.rail-foot__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--pulse);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 180ms var(--ease);
}
.rail-foot__link:hover { color: var(--paper); }
.rail-foot__link:hover::after { transform: scaleX(1); }

.rail-foot__contact { display: grid; gap: 11px; }
.rail-foot__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
}
.rail-foot__label {
  min-width: 62px;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.rail-foot__value { color: var(--paper); word-break: break-word; }

.copy-btn {
  padding: 2px 8px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--blue-soft);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.copy-btn:hover { border-color: var(--pulse); color: var(--pulse); }
.copy-btn[data-copied="true"] {
  border-color: var(--pulse);
  background: rgba(184, 255, 60, .14);
  color: var(--pulse);
}

.rail-foot__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 26px;
  padding-block: 18px 30px;
  border-top: 1px solid var(--line);
}
.rail-foot__icp,
.rail-foot__year {
  max-width: none;
  margin: 0;
  color: var(--stone);
  font-size: 11.5px;
}
.rail-foot__scale {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.scale-tick {
  position: relative;
  padding-left: 15px;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.scale-tick::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 9px; height: 2px;
  background: var(--stone);
  transform: translateY(-50%);
}
.scale-tick:nth-child(1)::before { background: var(--blue); }
.scale-tick:nth-child(2)::before { background: var(--pulse); }
.scale-tick:nth-child(3)::before { background: var(--flame); }
.scale-tick:nth-child(4)::before { background: var(--moss); }

/* ---------- 08 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  background: transparent;
  border: 2px solid var(--paper);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-blue);
}
.btn--primary {
  background: var(--flame);
  border-color: var(--flame);
  color: var(--ink);
}
.btn--primary:hover {
  background: var(--pulse);
  border-color: var(--pulse);
  box-shadow: 4px 4px 0 rgba(47, 107, 255, .7);
}
.btn--ghost {
  border-color: var(--line-strong);
  color: var(--paper-64);
}
.btn--ghost:hover { border-color: var(--blue-soft); color: var(--paper); }
.btn--quiet {
  padding-inline: 4px;
  border-color: transparent;
  color: var(--blue-soft);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.btn--quiet:hover { color: var(--pulse); transform: none; box-shadow: none; }

/* ---------- 09 标签 ---------- */
.tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  color: var(--paper-64);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.tag--pulse { border-color: var(--pulse); color: var(--pulse); }
.tag--clay { border-color: var(--clay); color: #E2A188; }
.tag--moss { border-color: var(--moss); color: #A2C08F; }

/* ---------- 10 面板 ---------- */
.panel {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-2);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}
.panel--flat { box-shadow: none; }
.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 16px;
  padding-bottom: 13px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.panel__body { color: var(--paper-82); }

/* ---------- 11 面包屑 ---------- */
.breadcrumb {
  padding-block: 15px;
  border-bottom: 1px solid var(--line);
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--stone);
}
.breadcrumb__link {
  color: var(--blue-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.breadcrumb__link:hover { color: var(--pulse); }
.breadcrumb__sep { color: var(--stone); }

/* ---------- 12 图片容器（供页面阶段放置占位） ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ink-3);
  background-image:
    repeating-linear-gradient(135deg, rgba(110, 118, 129, .16) 0 2px, transparent 2px 9px);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}
.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}
.media-frame--wide .media-frame__img { aspect-ratio: 21 / 9; }
.media-frame--tall .media-frame__img { aspect-ratio: 3 / 4; }
.media-frame--square .media-frame__img { aspect-ratio: 1 / 1; }
.media-frame__cap {
  position: absolute;
  left: 0; bottom: 0;
  padding: 6px 10px;
  background: var(--ink);
  border-top: 2px solid var(--blue);
  color: var(--paper-64);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ---------- 13 数据表 ---------- */
.table-scroll {
  overflow-x: auto;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--ink);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table caption {
  padding: 12px 14px;
  text-align: left;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.data-table thead th {
  background: var(--ink-2);
  border-bottom: 2px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.data-table tbody tr:hover { background: var(--blue-wash); }
.data-table .mono { font-family: var(--font-mono); }

/* ---------- 14 渐显协议 ---------- */
[data-enhanced="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
[data-enhanced="on"] [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 15 响应式 ---------- */
@media (max-width: 1180px) {
  .cmd-search__field { width: 132px; }
}

@media (max-width: 1080px) {
  .cmd-bar__inner { flex-wrap: wrap; }
  .cmd-toggle { display: inline-flex; margin-left: auto; order: 3; }
  .cmd-tools { order: 4; margin-left: 0; }
  .cmd-nav {
    order: 5;
    display: none;
    position: absolute;
    left: -2px; right: -2px;
    top: 100%;
    max-height: 72vh;
    overflow: auto;
    padding: 8px clamp(18px, 4vw, 44px) 18px;
    background: var(--ink-2);
    border-top: 2px solid var(--line-strong);
    border-bottom: 2px solid var(--line-strong);
    box-shadow: 6px 6px 0 rgba(11, 15, 20, .9);
  }
  .cmd-nav[data-open] { display: block; }
  .cmd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .cmd-nav__link {
    padding: 13px 4px 13px 16px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
  }
  .cmd-nav__link::after {
    left: 0; right: auto; top: 10px; bottom: 10px;
    width: 3px; height: auto;
    transform: scaleY(0);
    transform-origin: 50% 0;
  }
  .cmd-nav__link:hover::after { transform: scaleY(1); }
  .cmd-nav__link[aria-current="page"]::after { transform: scaleY(1); }
  .rail-foot__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .col-main,
  .col-side { grid-column: 1 / -1; }
  .sticky-rail { position: static; top: auto; }
}

@media (max-width: 760px) {
  :root { --bar-h: 62px; }
  .cmd-search { display: none; }
  .cmd-schedule { font-size: 12.5px; padding: 9px 12px; }
  .rail-foot__grid { grid-template-columns: 1fr; gap: 28px; }
  .rail-foot__base { flex-direction: column; align-items: flex-start; }
  .data-table th,
  .data-table td { padding: 10px 11px; }
}

@media (max-width: 460px) {
  .brand-mark__num { display: none; }
  .cmd-toggle__label { display: none; }
  .scale-tick { font-size: 10px; }
}

/* ---------- 16 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-enhanced="on"] [data-reveal] {
    opacity: 1;
    transform: none;
  }
}