/* ============================================================
   /assets/site.css — 九游会J9主站共享外壳
   深海蓝底 / 电子橙现役 / 荧光青基准 / 砂岩色归档
   ============================================================ */

:root {
  --ink-abyss: #0A1B2E;
  --ink-deep: #12293F;
  --ink-shade: #081524;
  --paper: #F2EDE4;
  --paper-light: #E4DED2;
  --stone: #7C8894;
  --signal: #FF6A1F;
  --signal-soft: #FF8340;
  --neon: #2BE3C8;
  --sand: #C9A882;
  --sand-deep: #8A7154;
  --moss: #4F6B4A;

  --bar-h: 56px;
  --bar-h-compact: 44px;
  --shell-w: 1280px;
  --gutter: clamp(16px, 4vw, 40px);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-display: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-data: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Courier New", monospace;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--ink-abyss);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--paper);
  background: var(--ink-abyss);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% -12%, rgba(43, 227, 200, 0.09), transparent 44%),
    radial-gradient(circle at 92% -4%, rgba(255, 106, 31, 0.09), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(79, 107, 74, 0.08), transparent 46%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: radial-gradient(rgba(242, 237, 228, 0.05) 1px, transparent 1px);
  background-size: 3px 3px;
}

img, svg, video { max-width: 100%; }
img { height: auto; border-style: none; }
button { font: inherit; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

p { margin: 0 0 1em; }
ul, ol { margin: 0; }

a { color: var(--neon); text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -120px;
  z-index: 999;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--neon);
  color: var(--ink-abyss);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: top 240ms var(--ease);
}

.skip-link:focus { top: 12px; }

/* ---------- 命令栏头部 ---------- */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  color: var(--paper);
  background: rgba(10, 27, 46, 0.9);
  backdrop-filter: blur(16px) saturate(1.25);
  -webkit-backdrop-filter: blur(16px) saturate(1.25);
  border-bottom: 1px solid rgba(124, 136, 148, 0.18);
  transition: background 320ms var(--ease), box-shadow 320ms var(--ease);
}

.cmd-bar[data-compact] {
  background: rgba(8, 21, 36, 0.97);
  box-shadow: 0 12px 32px -20px rgba(0, 0, 0, 0.9);
}

.cmd-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 106, 31, 0.55) 26%,
    rgba(43, 227, 200, 0.5) 72%,
    transparent 100%);
  opacity: 0.65;
}

.cmd-bar__inner {
  position: relative;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 34px);
  transition: height 320ms var(--ease);
}

.cmd-bar[data-compact] .cmd-bar__inner { height: var(--bar-h-compact); }

/* 品牌 */
.cmd-bar__brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--paper);
  text-decoration: none;
}

.cmd-bar__brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--signal), #FF9A3D);
  display: grid;
  place-items: center;
}

.cmd-bar__brand-mark::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-abyss);
}

.cmd-bar__brand-mark::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 11px;
  border: 1px solid rgba(255, 106, 31, 0.4);
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.cmd-bar__brand:hover .cmd-bar__brand-mark::after {
  border-color: var(--neon);
  transform: scale(1.06);
}

.cmd-bar__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.cmd-bar__brand-line {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.cmd-bar__brand-tag {
  max-width: 260px;
  overflow: hidden;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--stone);
  white-space: nowrap;
  transition: opacity 240ms var(--ease), max-width 320ms var(--ease);
}

.cmd-bar[data-compact] .cmd-bar__brand-tag {
  opacity: 0;
  max-width: 0;
}

/* 导航 */
.cmd-bar__nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

.cmd-bar__nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cmd-bar__link {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(242, 237, 228, 0.72);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}

.cmd-bar__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}

.cmd-bar__link:hover { color: var(--paper); }
.cmd-bar__link:hover::after { transform: scaleX(1); }

.cmd-bar__link[aria-current="page"] {
  color: var(--paper);
  background: rgba(255, 106, 31, 0.12);
}

.cmd-bar__link[aria-current="page"]::after { transform: scaleX(1); }

/* 右侧 */
.cmd-bar__side {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.round-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border-radius: var(--radius-pill);
  background: rgba(18, 41, 63, 0.9);
  border: 1px solid rgba(124, 136, 148, 0.3);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper-light);
  white-space: nowrap;
}

.round-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(43, 227, 200, 0.18);
  animation: cmd-pulse 2.6s ease-in-out infinite;
}

@keyframes cmd-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.cmd-bar__toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(124, 136, 148, 0.38);
  background: transparent;
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.cmd-bar__toggle:hover { border-color: var(--signal); }
.cmd-bar__toggle[aria-expanded="true"] {
  border-color: var(--neon);
  background: rgba(43, 227, 200, 0.1);
}

.cmd-bar__toggle-bars {
  display: grid;
  gap: 3px;
  width: 16px;
}

.cmd-bar__toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 260ms var(--ease), opacity 200ms var(--ease);
}

.cmd-bar__toggle[aria-expanded="true"] .cmd-bar__toggle-bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.cmd-bar__toggle[aria-expanded="true"] .cmd-bar__toggle-bars span:nth-child(2) {
  opacity: 0;
}

.cmd-bar__toggle[aria-expanded="true"] .cmd-bar__toggle-bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */
.site-foot {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 112px);
  background: linear-gradient(180deg, var(--ink-abyss) 0%, var(--ink-shade) 100%);
  border-top: 1px solid rgba(124, 136, 148, 0.2);
  color: var(--paper);
}

.site-foot::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: min(420px, 46%);
  height: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(90deg, var(--signal), var(--neon));
}

.site-foot__inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.3fr);
  gap: clamp(28px, 5vw, 72px);
}

.site-foot__brand-name {
  display: inline-block;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--paper);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.site-foot__brand-name:hover { color: var(--signal); }

.site-foot__brand-line {
  margin: 10px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.site-foot__brand-meta {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-foot__brand-meta span {
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(124, 136, 148, 0.3);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--paper-light);
}

.site-foot__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.site-foot__col-title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.site-foot__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.site-foot__list a,
.site-foot__list span {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(242, 237, 228, 0.68);
  text-decoration: none;
  word-break: break-word;
  transition: color 180ms var(--ease);
}

.site-foot__list a:hover { color: var(--signal); }

.site-foot__col--archive .site-foot__col-title { color: var(--sand); }

.site-foot__col--archive .site-foot__list a {
  color: rgba(201, 168, 130, 0.8);
}

.site-foot__col--archive .site-foot__list a:hover { color: var(--sand); }

.site-foot__base {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 18px var(--gutter) 30px;
  border-top: 1px solid rgba(124, 136, 148, 0.18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-foot__copy {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.site-foot__base-links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.site-foot__base-links a {
  color: rgba(242, 237, 228, 0.7);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.site-foot__base-links a:hover { color: var(--neon); }
.site-foot__base-links span { color: rgba(124, 136, 148, 0.55); }

/* ---------- 布局容器 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

.shell--wide { max-width: 1440px; }
.shell--narrow { max-width: 880px; }

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 220ms var(--ease), background 220ms var(--ease),
              border-color 220ms var(--ease), color 220ms var(--ease);
}

.btn--signal {
  background: var(--signal);
  color: var(--ink-abyss);
}

.btn--signal:hover {
  background: var(--signal-soft);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(242, 237, 228, 0.28);
}

.btn--ghost:hover {
  color: var(--neon);
  border-color: var(--neon);
  transform: translateY(-2px);
}

.btn--archive {
  background: rgba(201, 168, 130, 0.14);
  color: var(--sand);
  border-color: rgba(138, 113, 84, 0.6);
}

.btn--archive:hover {
  background: rgba(201, 168, 130, 0.24);
  transform: translateY(-2px);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.breadcrumb a {
  color: rgba(242, 237, 228, 0.68);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.breadcrumb a:hover { color: var(--neon); }

.breadcrumb__sep { color: rgba(124, 136, 148, 0.55); }

.breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 页头 ---------- */
.page-head {
  position: relative;
  padding: clamp(40px, 7vw, 84px) 0 clamp(28px, 4vw, 48px);
}

.page-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-head__eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.page-head__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6.6vw, 82px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--paper);
}

.page-head__lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.76);
}

/* ---------- 分节标题 ---------- */
.section-head {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 26px);
  align-items: start;
  margin-top: clamp(36px, 6vw, 68px);
  padding: 26px 0 18px;
  border-top: 1px solid rgba(124, 136, 148, 0.24);
}

.section-head__index {
  padding-top: 7px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.section-head__title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

.section-head__note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 面板 ---------- */
.panel {
  background: var(--ink-deep);
  border: 1px solid rgba(124, 136, 148, 0.22);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 34px);
}

.panel--flush { padding: 0; overflow: hidden; }

.panel--archive {
  background: linear-gradient(150deg, rgba(201, 168, 130, 0.11), rgba(138, 113, 84, 0.06));
  border-color: rgba(138, 113, 84, 0.5);
}

/* ---------- 长文正文 ---------- */
.prose {
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 237, 228, 0.84);
}

.prose p { margin: 0 0 1.1em; }

.prose h2 {
  margin: 2em 0 0.6em;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.prose h3 {
  margin: 1.6em 0 0.5em;
  font-size: 18px;
  font-weight: 700;
}

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

.prose ul, .prose ol {
  margin: 0 0 1.1em;
  padding-left: 1.3em;
}

.prose li { margin-bottom: 0.4em; }

.prose blockquote {
  margin: 1.4em 0;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--signal);
  font-style: italic;
  font-size: 15px;
  color: rgba(242, 237, 228, 0.7);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--stone);
  white-space: nowrap;
}

.tag--signal { color: var(--signal); }
.tag--neon { color: var(--neon); }
.tag--sand { color: var(--sand); }

/* ---------- 比分牌式统计 ---------- */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--paper);
}

.stat__value--signal { color: var(--signal); }
.stat__value--neon { color: var(--neon); }
.stat__value--sand { color: var(--sand); }

.stat__label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

/* ---------- 归档区 ---------- */
.archive-strip {
  position: relative;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(138, 113, 84, 0.55);
  background: linear-gradient(140deg, rgba(201, 168, 130, 0.16), rgba(138, 113, 84, 0.09));
  padding: clamp(24px, 4vw, 40px);
}

.archive-strip__badge {
  position: absolute;
  top: 0;
  right: 22px;
  transform: translateY(-50%);
  padding: 3px 13px;
  border-radius: var(--radius-pill);
  background: var(--sand-deep);
  color: #1A140D;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
}

/* ---------- 响应式图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 136, 148, 0.22);
  background: linear-gradient(135deg, rgba(18, 41, 63, 0.96), rgba(10, 27, 46, 0.99));
  aspect-ratio: 16 / 10;
}

.media-frame > img,
.media-frame > svg,
.media-frame > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame--archive {
  background: linear-gradient(150deg, rgba(201, 168, 130, 0.2), rgba(138, 113, 84, 0.12));
  border-color: rgba(138, 113, 84, 0.55);
}

.media-frame--tint {
  background: linear-gradient(120deg, rgba(43, 227, 200, 0.14), rgba(10, 27, 46, 0.96));
}

/* ---------- 滚动显现协议 ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

.has-js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .cmd-bar__toggle { display: inline-flex; }
  .cmd-bar__brand-tag { display: none; }

  .cmd-bar__nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: block;
    padding: calc(var(--bar-h) + 26px) var(--gutter) 48px;
    background: rgba(8, 21, 36, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 240ms var(--ease), transform 240ms var(--ease),
                visibility 0s linear 240ms;
  }

  .cmd-bar__nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .cmd-bar__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .cmd-bar__link {
    display: block;
    padding: 16px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(124, 136, 148, 0.16);
    font-size: 16px;
    font-weight: 700;
  }

  .cmd-bar__link::after {
    left: 16px;
    right: auto;
    bottom: 9px;
    width: 20px;
  }

  .cmd-bar__link[aria-current="page"] {
    border-color: rgba(255, 106, 31, 0.5);
  }

  .site-foot__inner {
    grid-template-columns: 1fr;
  }

  .site-foot__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .section-head {
    grid-template-columns: 40px minmax(0, 1fr);
  }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }

  .round-pill { display: none; }

  .site-foot__cols { grid-template-columns: 1fr; }

  .site-foot__base {
    flex-direction: column;
    align-items: flex-start;
  }

  .archive-strip__badge { right: 14px; }
}

@media (max-width: 380px) {
  .cmd-bar__toggle-label { display: none; }
}

/* ---------- 无障碍：减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .round-pill__dot { animation: none; }
}