/* ==========================================================================
   球速体育赛场 · 共享样式 /assets/site.css
   暗场转播台 + 数据核对台：墨绿为底，青柠点数据，暖橙标赛果与时间节点
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --pit-deep: #0E3B2E;
  --pit-shadow: #082019;
  --panel: #16513E;
  --tick: #2A6B53;
  --lime: #C6FF3D;
  --amber: #FF6B35;
  --paper: #F2F5EE;
  --mist: #9DB3A6;
  --light-zone: #E8EDE3;
  --mint: #7BE0C3;
  --ink: #0B2119;

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

  --ease: cubic-bezier(.2, .7, .3, 1);
  --dur: 160ms;

  --maxw: 1240px;
  --gap: clamp(16px, 2.4vw, 28px);

  --font-display: "Barlow Condensed", "Saira Condensed", "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, h5, p, figure, blockquote, ul, ol, dl, dd, fieldset { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, svg, video, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }
:target { scroll-margin-top: 150px; }

/* ---------- 3. 中文排版与基础版式 ---------- */
body {
  min-height: 100vh;
  background-color: var(--pit-deep);
  background-image:
    radial-gradient(1100px 520px at 82% -8%, rgba(123, 224, 195, .13), transparent 62%),
    radial-gradient(760px 420px at 2% 106%, rgba(255, 107, 53, .08), transparent 64%),
    repeating-linear-gradient(97deg, rgba(242, 245, 238, .022) 0 1px, transparent 1px 28px);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: .04em;
  color: var(--paper);
  text-wrap: balance;
}
h1 { font-size: clamp(30px, 4.4vw, 52px); }
h2 { font-size: clamp(26px, 3vw, 34px); }
h3 { font-size: 20px; letter-spacing: .03em; }
h4 { font-size: 17px; letter-spacing: .06em; }

p { max-width: 74ch; }

strong { color: var(--lime); font-weight: 700; }
small { font-size: 13px; color: var(--mist); }
code, kbd, samp, time, .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

::selection { background: var(--lime); color: var(--pit-shadow); }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.grid { display: grid; gap: var(--gap); }
.grid--split { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
.grid--cards { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.section { padding-block: clamp(40px, 6vw, 80px); }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 36px);
}
.section__title { font-size: clamp(26px, 3.4vw, 34px); margin: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mint);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.tick-rule {
  height: 1px;
  border: 0;
  margin: 0;
  background-image: repeating-linear-gradient(90deg, var(--tick) 0 12px, transparent 12px 22px);
}

.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { margin-top: 1.8em; font-size: clamp(24px, 3vw, 34px); }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: .45em; }
.prose li::marker { color: var(--lime); }
.prose a {
  color: var(--mint);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}
.prose a:hover { color: var(--lime); }
.prose blockquote {
  margin-inline: 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--lime);
  color: var(--mist);
}

.zone-light {
  background: var(--light-zone);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 56px);
}
.zone-light h2, .zone-light h3, .zone-light h4 { color: var(--pit-shadow); }
.zone-light a { color: #0E5B43; }
.zone-light .eyebrow { color: #2A6B53; }

/* ---------- 5. 按钮与标签 ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  --btn-bd: var(--tick);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.2;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-1px); }

.btn--lime { --btn-bg: var(--lime); --btn-fg: var(--pit-shadow); --btn-bd: var(--lime); }
.btn--lime:hover { --btn-bg: #D9FF70; --btn-bd: #D9FF70; }

.btn--ghost { --btn-bd: rgba(123, 224, 195, .45); }
.btn--ghost:hover { --btn-bd: var(--mint); --btn-fg: var(--mint); background: rgba(123, 224, 195, .08); }

.btn--amber { --btn-bg: var(--amber); --btn-fg: #2A0E03; --btn-bd: var(--amber); }
.btn--amber:hover { --btn-bg: #FF8355; --btn-bd: #FF8355; }

.btn--sm { padding: 9px 16px; font-size: 13px; letter-spacing: .06em; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(198, 255, 61, .45);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.6;
  white-space: nowrap;
}
.pill--amber { border-color: rgba(255, 107, 53, .55); color: var(--amber); }

/* ---------- 6. 面包屑 ---------- */
.breadcrumb { padding-block: 18px 0; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
}
.breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(157, 179, 166, .35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.breadcrumb__link:hover { color: var(--lime); border-bottom-color: var(--lime); }
.breadcrumb__sep { color: var(--tick); }
.breadcrumb__current { color: var(--paper); }

/* ---------- 7. 卡片 / 统计 / 图片容器 ---------- */
.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(42, 107, 83, .85);
  background: linear-gradient(170deg, rgba(22, 81, 62, .92), rgba(11, 42, 33, .92));
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.card:hover, .card:focus-within {
  border-color: rgba(123, 224, 195, .6);
  background: linear-gradient(170deg, rgba(28, 96, 74, .95), rgba(12, 47, 37, .95));
}
.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .04em;
}
.card__title a { text-decoration: none; }
.card__title a:hover { color: var(--lime); }
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
}

.stat { display: inline-flex; flex-direction: column; gap: 6px; }
.stat__value {
  position: relative;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--lime);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.stat__value::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 3px;
  border-radius: 2px;
  background: var(--lime);
}
.stat__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}
.stat--down .stat__value { color: var(--amber); }
.stat--down .stat__value::after { background: var(--amber); }
.card:hover .stat__value { transform: translateY(-2px); color: var(--lime); }

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(42, 107, 83, .8);
  background: linear-gradient(160deg, var(--panel), #0B2A21);
  aspect-ratio: 16 / 9;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) brightness(.86) contrast(1.06);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
}

/* ---------- 8. 头部 ---------- */
.skip-link {
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  top: -70px;
  z-index: 120;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--lime);
  color: var(--pit-shadow);
  font-weight: 700;
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--pit-deep);
}

/* 上层薄条 */
.topbar {
  background: var(--pit-shadow);
  border-bottom: 1px solid rgba(42, 107, 83, .55);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 40px;
  padding-block: 6px;
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  min-width: 0;
}
.topbar__mark {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .16);
}
.topbar__name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
}
.topbar__name:hover { color: var(--lime); }
.topbar__tag {
  padding-left: 12px;
  border-left: 1px solid var(--tick);
  font-size: 12.5px;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}
.topbar__mail { letter-spacing: .01em; }
.topbar__link {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.topbar__link:hover { color: var(--lime); border-bottom-color: var(--lime); }

/* 主栏目条 */
.masthead {
  background: rgba(14, 59, 46, .94);
  border-bottom: 1px solid var(--tick);
  backdrop-filter: blur(8px);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header[data-scrolled] .masthead { box-shadow: 0 16px 32px -22px rgba(0, 0, 0, .95); }

.masthead__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}
.masthead__sign {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  text-decoration: none;
}
.masthead__sign-key {
  padding: 3px 7px;
  border-radius: 7px;
  background: var(--lime);
  color: var(--pit-shadow);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
}
.masthead__sign-text {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .26em;
  color: var(--mist);
}
.masthead__sign:hover .masthead__sign-text { color: var(--paper); }

.primary-nav { margin-left: auto; }
.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.primary-nav__link {
  position: relative;
  display: inline-block;
  padding: 9px 13px;
  border-radius: var(--radius-pill);
  color: rgba(242, 245, 238, .84);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.primary-nav__link:hover {
  color: var(--lime);
  background: rgba(198, 255, 61, .1);
}
.primary-nav__link[aria-current="page"] {
  color: var(--lime);
  background: rgba(198, 255, 61, .09);
}
.primary-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 50%;
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: var(--lime);
  transform: translateY(-50%);
}

.masthead__tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(123, 224, 195, .4);
  background: rgba(22, 81, 62, .6);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.nav-toggle:hover { color: var(--lime); border-color: var(--mint); }
.nav-toggle__bars { display: inline-grid; gap: 4px; width: 16px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), width var(--dur) var(--ease);
}
.nav-toggle__bars span:last-child { width: 11px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child { width: 16px; transform: translateY(-3px) rotate(-45deg); }
.nav-toggle__text { line-height: 1; }

/* 切换台抽屉 */
.switchboard {
  background: linear-gradient(180deg, rgba(8, 32, 25, .96), rgba(11, 42, 33, .82));
  border-bottom: 1px solid var(--tick);
}
.switchboard__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding-block: 8px;
}
.switchboard__caption {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 1px solid var(--tick);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}
.switchboard__track {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
}
.switchboard__track::-webkit-scrollbar { display: none; }
.switchboard__item {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 16px 8px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(42, 107, 83, .95);
  background: rgba(22, 81, 62, .5);
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.switchboard__item:hover, .switchboard__item:focus-visible {
  border-color: var(--mint);
  background: rgba(123, 224, 195, .14);
  transform: translateY(-1px);
}
.switchboard__key {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--lime);
}
.switchboard__label { font-size: 14px; font-weight: 600; letter-spacing: .03em; }
.switchboard__hint {
  font-size: 12px;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}
.switchboard__item:hover .switchboard__hint { color: var(--lime); }

/* 阅读进度 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 90;
  pointer-events: none;
}
.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--mint), var(--lime));
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--pit-shadow);
  border-top: 1px solid rgba(123, 224, 195, .18);
  color: var(--paper);
}
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
  gap: clamp(28px, 5vw, 72px);
  padding-block: clamp(44px, 6vw, 72px);
}
.footer__brand { display: grid; gap: 18px; justify-items: start; }
.footer__wordmark {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--paper);
  text-decoration: none;
}
.footer__wordmark:hover { color: var(--lime); }
.footer__lede {
  max-width: 30ch;
  margin: 0;
  font-size: 15px;
  color: var(--mist);
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.footer__col { min-width: 0; }
.footer__col-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--lime);
}
.footer__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer__link {
  display: inline-block;
  color: #D7E3D8;
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer__link:hover { color: var(--lime); border-bottom-color: var(--lime); }

.footer__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  padding-block: 22px;
  border-top: 1px solid rgba(42, 107, 83, .7);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}
.footer__contact-row {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
  max-width: none;
}
.footer__contact-key {
  flex: 0 0 auto;
  color: var(--mint);
  letter-spacing: .08em;
}
.footer__contact-value { color: #D7E3D8; word-break: break-all; }

.footer__legal {
  background: rgba(0, 0, 0, .24);
  border-top: 1px solid rgba(42, 107, 83, .5);
}
.footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
  padding-block: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}
.footer__copy, .footer__icp, .footer__meta { margin: 0; max-width: none; }
.footer__icp { letter-spacing: .02em; }
.footer__meta { color: rgba(157, 179, 166, .8); }

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1080px) {
  .topbar__tag { display: none; }
  .grid--split { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
}

@media (max-width: 900px) {
  body { font-size: 16px; }

  .masthead__inner { gap: 12px; }
  .masthead__tools { margin-left: auto; }
  .masthead__tools .btn { display: none; }
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 10px clamp(16px, 4vw, 40px) 26px;
    background: linear-gradient(180deg, rgba(8, 32, 25, .99), rgba(11, 42, 33, .99));
    border-top: 1px solid rgba(123, 224, 195, .28);
    border-bottom: 1px solid var(--tick);
    max-height: min(70dvh, 560px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
                visibility 0s linear var(--dur);
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s, 0s, 0s;
  }
  .primary-nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .primary-nav__link {
    display: block;
    padding: 14px 14px;
    border-radius: var(--radius-md);
    font-size: 16px;
  }
  .primary-nav__link[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--lime);
    border-radius: 4px var(--radius-md) var(--radius-md) 4px;
  }
  .primary-nav__link[aria-current="page"]::before { display: none; }

  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .footer__top { grid-template-columns: minmax(0, 1fr); }
  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
}

@media (max-width: 720px) {
  .topbar__mail { display: none; }
  .topbar__meta { font-size: 11.5px; }
  .switchboard__caption { display: none; }
  .switchboard__hint { display: none; }
  .switchboard__inner { min-height: 52px; }
  .footer__contact { font-size: 12.5px; }
  .footer__legal-inner { gap: 4px 16px; }
}

@media (max-width: 560px) {
  .topbar__inner { min-height: 36px; }
  .masthead__sign-text { display: none; }
  .primary-nav__link { padding: 13px 12px; font-size: 15px; }
  .switchboard__item { padding: 7px 13px 7px 10px; }
  .switchboard__label { font-size: 13px; }
  .footer__cols { grid-template-columns: minmax(0, 1fr); }
  .section { padding-block: 36px; }
}

/* ---------- 11. 降低动效 ---------- */
@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;
  }
  .btn:hover,
  .switchboard__item:hover,
  .switchboard__item:focus-visible,
  .card:hover .stat__value { transform: none; }
}