/* ==========================================================================
   欧皇体育 · 共享外壳样式表 /assets/site.css
   夜场墨蓝底 + 荧光草绿信号 + 极细战术网格
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100%;
}

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

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

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

a { color: inherit; }

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

button { background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; width: 100%; }

main { display: block; }

/* ---------- 变量 ---------- */
:root {
  --ink-900: #06121F;
  --ink-800: #0B1F31;
  --ink-700: #143048;
  --steel: #2A4F6B;
  --turf: #3BF5A6;
  --cyan: #12D9C4;
  --signal: #FF7A1A;
  --amber: #FFD35C;
  --text: #EAF3F7;
  --muted: #9DB0BE;

  --bar-h: 56px;
  --wrap: 1280px;
  --gut: clamp(16px, 4vw, 40px);
  --radius: 2px;
  --dur: 160ms;
  --ease: cubic-bezier(.2, .7, .3, 1);

  --font-head: "Arial Narrow", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- 页面基底 ---------- */
body {
  background-color: var(--ink-900);
  background-image:
    radial-gradient(900px 520px at 84% -8%, rgba(18, 217, 196, .10), transparent 70%),
    radial-gradient(720px 440px at -12% 14%, rgba(59, 245, 166, .07), transparent 72%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 战术网格底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 48, 72, .42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 48, 72, .42) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 92% at 50% 0, #000 18%, transparent 78%);
  mask-image: radial-gradient(120% 92% at 50% 0, #000 18%, transparent 78%);
  opacity: .55;
}

/* 广播噪点 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(234, 243, 247, .05) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: .22;
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

#main-content {
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

[data-scroll-index] {
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

/* ---------- 排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: .005em;
}

h1 { font-size: clamp(30px, 4.6vw, 56px); }
h2 { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: clamp(18px, 2vw, 22px); }
h4 { font-size: 16px; letter-spacing: .06em; }

strong { font-weight: 600; color: var(--text); }

::selection {
  background: rgba(59, 245, 166, .28);
  color: #fff;
}

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

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

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.u-slant {
  display: inline-block;
  transform: skewX(-2.5deg);
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -60px;
  left: var(--gut);
  z-index: 90;
  padding: 10px 18px;
  background: var(--turf);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top var(--dur) var(--ease);
}

.skip-link:focus {
  top: 10px;
}

/* ==========================================================================
   命令栏
   ========================================================================== */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 18, 31, .9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--steel);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.cmd-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(42, 79, 107, .38) 1px, transparent 1px);
  background-size: 68px 100%;
  opacity: .5;
}

.cmd-bar.is-scrolled {
  box-shadow: 0 12px 32px rgba(0, 0, 0, .48);
  border-bottom-color: rgba(59, 245, 166, .28);
}

.cmd-bar__inner {
  position: relative;
  z-index: 2;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
}

.cmd-bar__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  display: block;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--turf));
  transition: width 90ms linear;
}

/* ---------- 品牌 ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--text);
}

.brand__mark {
  position: relative;
  width: 26px;
  height: 26px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  transform: skewX(-8deg);
  transition: border-color var(--dur) var(--ease);
}

.brand__mark::before {
  content: "";
  position: absolute;
  inset: 4px 6px;
  border-left: 1px solid var(--steel);
  border-right: 1px solid var(--steel);
}

.brand__pip {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 8px rgba(59, 245, 166, .8);
}

.brand:hover .brand__mark { border-color: var(--turf); }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .1em;
  transform: skewX(-2.5deg);
}

.brand__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--muted);
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 0 3px rgba(59, 245, 166, .16);
  animation: pip 2.6s ease-in-out infinite;
}

@keyframes pip {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}

/* ---------- 索引式导航 ---------- */
.cmd-nav {
  margin-left: auto;
}

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

.cmd-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.cmd-link__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--steel);
  transition: color var(--dur) var(--ease);
}

.cmd-link__label {
  position: relative;
}

.cmd-link__label::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.cmd-link:hover {
  color: var(--cyan);
}

.cmd-link:hover .cmd-link__label::after {
  transform: scaleX(1);
}

.cmd-link:hover .cmd-link__num {
  color: var(--cyan);
}

.cmd-link[aria-current="page"] {
  color: var(--text);
  border-color: var(--turf);
  background: rgba(59, 245, 166, .07);
}

.cmd-link[aria-current="page"] .cmd-link__num,
.cmd-link[aria-current="page"] .cmd-link__label {
  color: var(--turf);
}

.cmd-link.is-active .cmd-link__num {
  color: var(--cyan);
}

.cmd-link.is-active {
  border-color: rgba(18, 217, 196, .45);
}

/* ---------- 命令栏右侧 ---------- */
.cmd-bar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
}

.cmd-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: .08em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.cmd-search:hover,
.cmd-search[aria-expanded="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.cmd-search__icon {
  position: relative;
  width: 11px;
  height: 11px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.cmd-search__icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 6px;
  height: 1px;
  background: currentColor;
  transform: rotate(45deg);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: .08em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.nav-toggle:hover {
  color: var(--turf);
  border-color: var(--turf);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
  height: 11px;
}

.nav-toggle__bars span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* ---------- 快速索引面板 ---------- */
.cmd-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 55;
  background: var(--ink-800);
  border-bottom: 1px solid var(--steel);
  box-shadow: 0 22px 48px rgba(0, 0, 0, .55);
}

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

.cmd-panel__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 20px var(--gut) 24px;
}

.cmd-panel__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.cmd-panel__list {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.cmd-panel__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--steel);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.cmd-panel__link .num {
  font-size: 12px;
  color: var(--steel);
}

.cmd-panel__link:hover {
  border-color: var(--turf);
  color: var(--turf);
  background: rgba(59, 245, 166, .06);
}

.cmd-panel__link:hover .num {
  color: var(--turf);
}

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.btn--ghost:hover {
  color: var(--turf);
  border-color: var(--turf);
}

.btn--turf {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--ink-900);
}

.btn--turf:hover {
  box-shadow: 0 0 0 3px rgba(59, 245, 166, .18);
}

.btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: #210d01;
}

.btn--signal:hover {
  box-shadow: 0 0 0 3px rgba(255, 122, 26, .22);
}

/* ==========================================================================
   容器 / 栅格 / 章节
   ========================================================================== */
.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 40px);
}

.grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 26px);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.section {
  position: relative;
  padding: clamp(38px, 6vw, 84px) 0;
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px 26px;
  margin-bottom: clamp(18px, 3vw, 34px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--steel);
}

.section__title {
  flex: 1 1 320px;
}

.section__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ==========================================================================
   面板 / 标签 / 图片容器
   ========================================================================== */
.panel {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .35);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.panel::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 14px;
  width: 2px;
  height: 26px;
  background: var(--steel);
  transition: background-color var(--dur) var(--ease), height var(--dur) var(--ease);
}

.panel:hover {
  border-color: var(--turf);
  box-shadow: 0 6px 22px rgba(0, 0, 0, .4);
}

.panel:hover::before {
  background: var(--turf);
  height: 42px;
}

.panel__body {
  padding: clamp(16px, 2.4vw, 28px);
}

.panel--flat {
  background: var(--ink-900);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--cyan);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border: 1px solid var(--steel);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.chip:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--ink-900);
  font-weight: 700;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag--live {
  border-color: var(--signal);
  color: var(--signal);
}

.tag--turf {
  border-color: var(--turf);
  color: var(--turf);
}

.prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.prose p + p { margin-top: 1em; }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.breadcrumbs a:hover { color: var(--cyan); }

.breadcrumbs__sep {
  color: var(--steel);
}

/* ---------- 图片基础容器（页面阶段放置资源） ---------- */
.frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--ink-900);
  transition: border-color var(--dur) var(--ease);
}

.frame:hover { border-color: var(--turf); }

.frame__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

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

.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 18, 31, 0) 58%, rgba(6, 18, 31, .72) 100%);
}

.frame__caption {
  display: block;
  padding: 9px 13px;
  border-top: 1px solid var(--steel);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--ink-800);
  border-top: 1px solid var(--steel);
  background-image: linear-gradient(90deg, rgba(59, 245, 166, .55), rgba(42, 79, 107, .2) 38%, transparent 72%);
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: top left;
}

.footer__grid {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(34px, 5vw, 62px) var(--gut) clamp(24px, 3.6vw, 40px);
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  grid-template-columns: minmax(220px, 1.5fr) minmax(130px, .9fr) minmax(230px, 1.4fr) minmax(160px, .9fr);
}

.footer__col { min-width: 0; }

.footer__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer__brand {
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--text);
}

.footer__tagline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.footer__list li { padding: 1px 0; }

.footer__link {
  position: relative;
  display: inline-block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.footer__link:hover { color: var(--cyan); }
.footer__link:hover::after { transform: scaleX(1); }

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer__row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 10px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(42, 79, 107, .5);
}

.footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
}

.footer__value {
  font-size: 13.5px;
  color: var(--text);
  word-break: break-all;
}

.footer__copy {
  padding: 4px 10px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: .08em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.footer__copy:hover {
  color: var(--turf);
  border-color: var(--turf);
}

.footer__copy.is-done {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--ink-900);
  font-weight: 700;
}

.footer__note {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.footer__icp {
  margin-top: 14px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

.footer__base {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 15px var(--gut) 26px;
  border-top: 1px solid var(--steel);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
}

.footer__copyline { margin: 0; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (min-width: 901px) and (max-width: 1180px) {
  .cmd-link__num { display: none; }
  .cmd-link { padding: 7px 7px; font-size: 12.5px; }
  .cmd-search__text { display: none; }
}

@media (max-width: 1080px) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .cmd-search__text { display: none; }

  .cmd-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    display: none;
    max-height: calc(100vh - var(--bar-h));
    overflow-y: auto;
    background: var(--ink-800);
    border-bottom: 1px solid var(--steel);
    box-shadow: 0 22px 48px rgba(0, 0, 0, .55);
  }

  .cmd-nav[data-open="true"] {
    display: block;
  }

  .cmd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gut) 18px;
  }

  .cmd-link {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 4px;
    border: 1px solid transparent;
    border-bottom-color: rgba(42, 79, 107, .5);
    border-radius: 0;
    font-size: 15px;
  }

  .cmd-link:last-child { border-bottom-color: transparent; }

  .cmd-link[aria-current="page"] {
    border: 1px solid var(--turf);
    padding-inline: 12px;
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .brand__status { display: none; }

  .cmd-bar__actions .btn--signal {
    padding: 8px 12px;
    font-size: 12.5px;
  }

  .footer__row {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }
}

@media (max-width: 380px) {
  .cmd-bar__actions .btn--signal { display: none; }
}

/* ==========================================================================
   动效降级
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .dot { animation: none; opacity: 1; }
  .cmd-bar__progress { display: none; }
}