/* ============================================================
   BOB赛事 · 共享样式 /assets/site.css
   高原档案室 × 赛场数据台
   ============================================================ */

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

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

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

ul, ol { list-style: none; }

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

a { color: inherit; text-decoration: none; }

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

/* ---------- 变量 ---------- */
:root {
  --c-night: #0B1B33;
  --c-ink: #07101F;
  --c-plateau: #123A5C;
  --c-steel: #8FA3B8;
  --c-paper: #F4F1E8;
  --c-saffron: #E86A33;
  --c-fluo: #D9F24A;
  --c-mist: #2A3B4D;
  --c-glass: rgba(244, 241, 232, .08);
  --c-alert: #C44536;

  --line: rgba(143, 163, 184, .22);
  --line-soft: rgba(143, 163, 184, .14);
  --line-paper: rgba(244, 241, 232, .16);

  --font-display: "Archivo Narrow", "Noto Sans SC Condensed", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "Noto Sans Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --w-max: 1240px;
  --gutter: clamp(16px, 4vw, 44px);
  --r: 2px;
  --dur: 220ms;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow: 0 26px 60px rgba(2, 7, 16, .42);
}

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--c-night);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(143, 163, 184, .045) 0 1px,
    transparent 1px 112px
  );
  color: rgba(244, 241, 232, .88);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--c-paper);
}

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

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

/* ---------- 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--c-fluo);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  border-radius: var(--r);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }

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

/* ============================================================
   头部 · 杂志刊头
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(7, 16, 31, .97), rgba(11, 27, 51, .93));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-fluo);
  z-index: 90;
  transition: width 90ms linear;
}

.header-inner {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 索引栏杆 */
.header-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0 8px;
  border-bottom: 1px dashed var(--line-soft);
}
.rail-item {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-steel);
}

/* 报头 */
.masthead {
  display: flex;
  justify-content: center;
  padding: 18px 0 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  padding: 0 6px;
  background: var(--c-saffron);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: var(--r);
}

.brand__name {
  display: flex;
  flex-direction: column;
}
.brand__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 5.4vw, 38px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.05;
  color: var(--c-paper);
}
.brand__tagline {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-steel);
}

/* 栏目带 */
.nav-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid rgba(143, 163, 184, .38);
  border-radius: var(--r);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: border-color var(--dur), color var(--dur), background var(--dur);
}
.nav-toggle:hover {
  border-color: var(--c-fluo);
  color: var(--c-fluo);
  background: var(--c-glass);
}
.nav-toggle__icon {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 10px;
}
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav-toggle__icon::before { top: 1px; }
.nav-toggle__icon::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { top: 4px; transform: rotate(-45deg); }

.primary-nav {
  display: none;
  width: 100%;
  border-top: 1px solid var(--line-soft);
  margin-top: 10px;
  padding-top: 8px;
}
.primary-nav[data-open] { display: block; }

.nav-list {
  display: flex;
  flex-direction: column;
}

.nav-link {
  position: relative;
  display: block;
  padding: 12px 4px;
  font-size: 15.5px;
  color: rgba(244, 241, 232, .78);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), padding var(--dur) var(--ease);
}
.nav-list__item { border-bottom: 1px dashed var(--line-soft); }
.nav-list__item:last-child { border-bottom: 0; }

.nav-link:hover { color: var(--c-paper); }

.nav-link[aria-current="page"] {
  color: var(--c-fluo);
  background: rgba(217, 242, 74, .06);
  padding-left: 16px;
}
.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--c-fluo);
}

.header-cta { flex: 0 0 auto; }

/* 锚点索引刻度条 */
.anchor-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 10px 0 12px;
  border-top: 1px solid var(--line-soft);
}
.anchor-strip__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-saffron);
}
.anchor-strip__label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-saffron);
}
.anchor-strip__list {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2.6vw, 30px);
  flex: 1 1 100%;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 2px 0 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--c-mist) transparent;
}
.anchor-strip__list::-webkit-scrollbar { height: 4px; }
.anchor-strip__list::-webkit-scrollbar-thumb { background: var(--c-mist); }
.anchor-strip__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: rgba(244, 241, 232, .58);
  transition: color var(--dur) var(--ease);
}
.anchor-strip__item:hover { color: var(--c-paper); }
.anchor-strip__index {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-steel);
}

/* ============================================================
   通用布局组件
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  position: relative;
  padding: clamp(46px, 8vw, 108px) 0;
}
.section--panel {
  background: linear-gradient(180deg, rgba(18, 58, 92, .55), rgba(18, 58, 92, .16));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section--ink {
  background: var(--c-ink);
  border-top: 1px solid var(--line);
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-saffron);
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: currentColor;
}

.section-title {
  margin: 14px 0 14px;
  font-size: clamp(24px, 3.8vw, 42px);
}

.lead {
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: rgba(244, 241, 232, .74);
}

/* 面板 / 叠放画板 */
.panel {
  padding: clamp(20px, 3vw, 34px);
  background: var(--c-plateau);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.panel--glass {
  background: var(--c-glass);
  border: 1px solid var(--line-paper);
  backdrop-filter: blur(9px);
}
.panel--paper {
  background: var(--c-paper);
  border: 1px solid rgba(11, 27, 51, .12);
  color: #16202E;
}
.panel--paper .section-title,
.panel--paper h2,
.panel--paper h3 { color: #0B1B33; }
.panel--paper .panel__label { color: var(--c-plateau); }
.panel--paper .lead { color: rgba(11, 27, 51, .72); }

.panel__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.stack-panel {
  position: relative;
  padding: clamp(22px, 3.2vw, 40px);
  background: var(--c-glass);
  border: 1px solid var(--line-paper);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn--primary {
  background: var(--c-saffron);
  color: #0B1B33;
}
.btn--primary:hover { background: #F57C43; }
.btn--ghost {
  border-color: rgba(143, 163, 184, .45);
  color: var(--c-paper);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--c-fluo);
  color: var(--c-fluo);
  background: rgba(217, 242, 74, .06);
}
.btn--quiet {
  padding-inline: 0;
  color: var(--c-steel);
}
.btn--quiet:hover { color: var(--c-fluo); }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(143, 163, 184, .35);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-steel);
}
.tag--accent { border-color: rgba(232, 106, 51, .55); color: var(--c-saffron); }
.tag--live {
  border-color: rgba(217, 242, 74, .55);
  color: var(--c-fluo);
  background: rgba(217, 242, 74, .07);
}

/* 指标 */
.metric { display: block; }
.metric__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--c-fluo);
}
.metric__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-steel);
}

/* 网格 */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  grid-template-columns: 1fr;
}
.grid--2, .grid--3, .grid--asym { grid-template-columns: 1fr; }

/* 横向档案轨 */
.rail {
  display: flex;
  gap: clamp(14px, 2vw, 22px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 0 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--c-mist) transparent;
}
.rail::-webkit-scrollbar { height: 5px; }
.rail::-webkit-scrollbar-thumb { background: var(--c-mist); }
.rail__item {
  flex: 0 0 min(320px, 82%);
  scroll-snap-align: start;
}

/* 图片容器 */
.figure { display: block; margin: 0; }
.figure__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--c-plateau);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.figure__frame::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid var(--line-paper);
  pointer-events: none;
}
.figure__frame--wide { aspect-ratio: 21 / 9; }
.figure__frame--tall { aspect-ratio: 4 / 5; }
.figure__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.05) brightness(.94);
}
.figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--c-steel);
}

/* 折叠面板 */
.fold-list { display: grid; gap: 10px; }
.fold {
  background: rgba(244, 241, 232, .03);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.fold__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--c-paper);
  cursor: pointer;
  list-style: none;
}
.fold__head::-webkit-details-marker { display: none; }
.fold__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-saffron);
}
.fold[open] .fold__head { border-bottom: 1px solid var(--line-soft); }
.fold[open] .fold__head::after { content: "–"; color: var(--c-fluo); }
.fold__body {
  padding: 14px 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .72);
}

/* 面包屑 */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-steel);
}
.breadcrumbs__item a { transition: color var(--dur) var(--ease); }
.breadcrumbs__item a:hover { color: var(--c-fluo); }
.breadcrumbs__sep { color: rgba(143, 163, 184, .5); }

/* 长文 */
.prose {
  max-width: 72ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .8);
}
.prose h2 {
  margin: 34px 0 12px;
  font-size: clamp(20px, 2.6vw, 28px);
}
.prose h3 {
  margin: 24px 0 10px;
  font-size: 18px;
}
.prose p { margin-bottom: 16px; }
.prose ul {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}
.prose ul li {
  position: relative;
  padding-left: 20px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 9px;
  height: 1px;
  background: var(--c-saffron);
}
.prose a {
  color: var(--c-paper);
  border-bottom: 1px solid rgba(217, 242, 74, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.prose a:hover {
  color: var(--c-fluo);
  border-color: var(--c-fluo);
}
.prose strong { color: var(--c-paper); }

/* 显现协议 */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
[data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   页脚 · 档案柜封底
   ============================================================ */
.site-footer {
  background: var(--c-ink);
  border-top: 1px solid var(--line);
  color: rgba(244, 241, 232, .7);
  padding: clamp(38px, 6vw, 72px) 0 0;
}
.footer-inner {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.footer-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.brand--footer { gap: 12px; }
.brand--footer .brand__mark { min-width: 34px; height: 34px; font-size: 12px; }
.brand--footer .brand__title { font-size: clamp(19px, 3vw, 24px); }
.brand--footer .brand__tagline { font-size: 10px; }

.footer-desc {
  max-width: 36ch;
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .62);
}
.footer-note {
  max-width: 40ch;
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(143, 163, 184, .85);
}

.footer-nav {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}
.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-paper);
}
.footer-list { display: grid; gap: 9px; }
.footer-link {
  font-size: 14.5px;
  color: rgba(244, 241, 232, .66);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-link:hover {
  color: var(--c-fluo);
  border-bottom-color: rgba(217, 242, 74, .5);
}

.contact-list { display: grid; gap: 12px; }
.contact-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
}
.contact-item__key {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-steel);
}
.contact-item__value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, .8);
  word-break: break-word;
}

.copy-btn {
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid rgba(143, 163, 184, .34);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--c-steel);
  cursor: pointer;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.copy-btn:hover {
  color: var(--c-fluo);
  border-color: rgba(217, 242, 74, .5);
  background: rgba(217, 242, 74, .07);
}
.copy-btn[data-copied="ok"] {
  color: var(--c-fluo);
  border-color: rgba(217, 242, 74, .6);
}
.copy-btn[data-copied="fail"] {
  color: var(--c-alert);
  border-color: rgba(196, 69, 54, .6);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: 18px 0 26px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-steel);
}
.footer-legal, .footer-icp { line-height: 1.8; }
.footer-icp { color: rgba(143, 163, 184, .78); }

.to-top {
  padding: 7px 13px;
  border: 1px solid rgba(143, 163, 184, .32);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-steel);
  cursor: pointer;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.to-top:hover {
  color: var(--c-fluo);
  border-color: rgba(217, 242, 74, .5);
  background: rgba(217, 242, 74, .06);
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rail__item { flex-basis: min(340px, 60%); }
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav {
    display: block;
    width: auto;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
  .nav-band {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding: 0 0 14px;
  }
  .nav-list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(10px, 2vw, 26px);
  }
  .nav-list__item { border-bottom: 0; }
  .nav-link {
    padding: 8px 2px;
    font-size: 15px;
  }
  .nav-link[aria-current="page"] {
    padding-left: 2px;
    background: transparent;
  }
  .nav-link[aria-current="page"]::before { display: none; }
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 1px;
    background: var(--c-saffron);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur) var(--ease);
  }
  .nav-link:hover::after { transform: scaleX(1); }
  .nav-link[aria-current="page"]::after {
    transform: scaleX(1);
    height: 2px;
    background: var(--c-fluo);
  }
  .header-cta { justify-self: end; }

  .anchor-strip__list { flex: 0 1 auto; }

  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--asym { grid-template-columns: minmax(0, 1.45fr) minmax(0, .9fr); }

  .footer-grid {
    grid-template-columns: minmax(230px, 1.1fr) minmax(0, 2fr) minmax(220px, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .footer-bottom { flex-wrap: nowrap; }
}

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