/* ============================================================
   博万体育 · /assets/site.css
   共享外壳：reset、令牌、排版、头部、页脚、基础组件
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --ink-900: #07130F;
  --charcoal-800: #14181A;
  --line: #2A3A34;
  --lime-400: #C6F24E;
  --amber-500: #E8B23A;
  --bone-100: #F2F4EE;
  --mist-300: #9FB0A8;
  --team-red: #D2413B;
  --team-blue: #3C7BD1;
  --field-gradient: linear-gradient(160deg, #07130F 0%, #0E2A22 55%, #16352A 100%);

  --font-display: "Barlow Condensed", "Saira Condensed", "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-body: "PingFang SC", "Noto Sans 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, monospace;

  --fs-64: clamp(2.5rem, 6vw, 4rem);
  --fs-40: clamp(1.75rem, 3.6vw, 2.5rem);
  --fs-28: clamp(1.375rem, 2.4vw, 1.75rem);
  --fs-18: clamp(1rem, 1.2vw, 1.125rem);
  --fs-13: 0.8125rem;
  --fs-body: clamp(1rem, 0.5vw + 0.86rem, 1.0625rem);

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --gap: clamp(16px, 2.4vw, 32px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur: 200ms;
  --header-h: 64px;
}

@media (min-width: 901px) {
  :root { --header-h: 76px; }
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(42, 58, 52, .42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 52, .42) 1px, transparent 1px);
  background-size: 88px 88px;
  background-attachment: fixed;
  color: var(--bone-100);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--bone-100);
}

p { margin: 0 0 1.2em; }
img, svg, video { max-width: 100%; height: auto; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.2em; }
button { font: inherit; }

a { color: var(--lime-400); text-decoration: none; }
a:hover { color: var(--amber-500); }

:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

::selection {
  background: var(--lime-400);
  color: var(--ink-900);
}

/* ---------- 3. 工具类 ---------- */
.shell {
  width: 100%;
  max-width: calc(var(--shell) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-220%);
  padding: 10px 16px;
  background: var(--lime-400);
  color: var(--ink-900);
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: .12em;
  border-radius: 0;
}

.skip-link:focus,
.skip-link:focus-visible { transform: none; color: var(--ink-900); }

/* ---------- 4. 排版组件 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-64);
  line-height: .95;
  letter-spacing: -.02em;
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist-300);
}

.eyebrow::before {
  content: "";
  width: 2px;
  height: 12px;
  background: var(--lime-400);
  flex: none;
}

.index-numeral {
  display: block;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(4rem, 9vw, 8rem);
  line-height: .8;
  letter-spacing: -.04em;
  color: var(--mist-300);
  opacity: .28;
  font-variant-numeric: tabular-nums;
}

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

.rule {
  display: block;
  width: 100%;
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--line);
}

/* ---------- 5. 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--bone-100);
  font-family: var(--font-body);
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.btn:hover { color: var(--lime-400); border-color: var(--lime-400); }

.btn--ghost {
  border-color: rgba(198, 242, 78, .55);
  color: var(--lime-400);
  background: rgba(198, 242, 78, .05);
}

.btn--ghost:hover {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
}

.btn--solid {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
}

.btn--solid:hover {
  background: var(--amber-500);
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.btn--sm { padding: 8px 14px; letter-spacing: .1em; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(198, 242, 78, .5);
  border-radius: 0;
  background: rgba(198, 242, 78, .07);
  color: var(--lime-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.6;
}

.tag--lime { color: var(--lime-400); }

.tag--amber {
  color: var(--amber-500);
  border-color: rgba(232, 178, 58, .5);
  background: rgba(232, 178, 58, .07);
}

.tag--mist {
  color: var(--mist-300);
  border-color: var(--line);
  background: transparent;
}

/* ---------- 6. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] {
  background-color: rgba(7, 19, 15, .93);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 32px);
  min-height: var(--header-h);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 18px);
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bone-100);
  text-decoration: none;
}

.brand__mark {
  flex: none;
  width: 10px;
  height: 28px;
  background: linear-gradient(180deg, var(--lime-400) 0 58%, transparent 58% 68%, var(--amber-500) 68% 100%);
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.375rem;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--bone-100);
  transition: color var(--dur) var(--ease);
}

.brand__domain {
  display: block;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--mist-300);
}

.brand:hover .brand__name { color: var(--lime-400); }
.brand:hover { color: var(--bone-100); }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-left: clamp(10px, 1.4vw, 18px);
  border-left: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist-300);
  white-space: nowrap;
}

.status-badge__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime-400);
  box-shadow: 0 0 0 3px rgba(198, 242, 78, .16);
}

.header__nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list__item { margin: 0; }

.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  color: var(--bone-100);
  font-size: var(--fs-13);
  letter-spacing: .14em;
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--amber-500);
  transition: width var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-link:hover { color: var(--bone-100); }
.nav-link:hover::after { width: 100%; background: var(--amber-500); }

.nav-link[aria-current="page"] { color: var(--lime-400); }
.nav-link[aria-current="page"]::after { width: 100%; background: var(--lime-400); }

.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.header__cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--bone-100);
  font-size: 11px;
  letter-spacing: .16em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.nav-toggle:hover { color: var(--lime-400); border-color: var(--lime-400); }

.nav-toggle__icon {
  position: relative;
  display: block;
  flex: none;
  width: 16px;
  height: 10px;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease), bottom var(--dur) var(--ease);
}

.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon::after { bottom: 0; }

.site-header[data-open="true"] .nav-toggle {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.site-header[data-open="true"] .nav-toggle__icon::before {
  top: 4.5px;
  transform: rotate(45deg);
}

.site-header[data-open="true"] .nav-toggle__icon::after {
  bottom: 4.5px;
  transform: rotate(-45deg);
}

/* 联赛切换轨道 */
.header__rail { border-top: 1px solid rgba(42, 58, 52, .75); }

.header__rail-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
}

.league-switcher { position: relative; }

.league-switcher__summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist-300);
}

.league-switcher__summary::-webkit-details-marker { display: none; }
.league-switcher__summary:hover .league-switcher__title { color: var(--lime-400); }

.league-switcher__chevron {
  flex: none;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--lime-400);
  border-bottom: 1px solid var(--lime-400);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur) var(--ease);
}

.league-switcher[open] .league-switcher__chevron { transform: rotate(-135deg) translateY(-2px); }

.league-switcher__title {
  color: var(--bone-100);
  letter-spacing: .18em;
  transition: color var(--dur) var(--ease);
}

.league-switcher__hint { color: var(--mist-300); }

.league-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: repeat(3, minmax(142px, 1fr));
  gap: 1px;
  min-width: min(520px, calc(100vw - 32px));
  margin: 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid rgba(198, 242, 78, .35);
  box-shadow: 0 24px 48px rgba(0, 0, 0, .55);
}

.league-list__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--charcoal-800);
}

.league-dot {
  flex: none;
  width: 5px;
  height: 5px;
}

.league-dot--red { background: var(--team-red); }
.league-dot--blue { background: var(--team-blue); }
.league-dot--lime { background: var(--lime-400); }

.league-list__name {
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--bone-100);
}

.league-list__state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist-300);
}

.rail-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist-300);
  white-space: nowrap;
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime-400), var(--amber-500));
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 128px);
  border-top: 1px solid var(--line);
  background: var(--ink-900);
}

.footer__top {
  padding-block: clamp(40px, 6vw, 80px);
  background: var(--field-gradient);
  border-bottom: 1px solid var(--line);
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.footer__brand-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.brand--footer .brand__name { font-size: 1.5rem; }

.footer__note {
  margin: 0;
  max-width: 34ch;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--mist-300);
}

.footer__stamp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber-500);
}

.footer__col { min-width: 0; }

.footer__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: var(--fs-13);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .16em;
  color: var(--bone-100);
}

.footer__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--amber-500);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__link {
  display: inline-block;
  font-size: var(--fs-13);
  color: var(--mist-300);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer__link:hover {
  color: var(--lime-400);
  border-bottom-color: var(--lime-400);
}

.footer__rail { border-bottom: 1px solid var(--line); }

.footer__rail-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.footer__rail-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber-500);
}

.footer__rail-list {
  display: flex;
  align-items: center;
  flex: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__rail-item {
  padding: 2px 14px;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bone-100);
  white-space: nowrap;
}

.footer__rail-item:first-child { border-left: 0; padding-left: 0; }

.footer__base { padding-block: 20px 28px; }

.footer__base-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 24px;
  font-size: 12px;
  color: var(--mist-300);
}

.footer__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist-300);
}

.footer__legal {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  justify-self: end;
}

.footer__legal-link {
  color: var(--bone-100);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer__legal-link:hover {
  color: var(--lime-400);
  border-bottom-color: var(--lime-400);
}

.footer__sep { color: var(--line); }

.footer__addr { margin: 0; }

.footer__copy {
  margin: 0;
  justify-self: end;
  text-align: right;
}

.footer__icp { font-family: var(--font-mono); letter-spacing: .02em; }

/* ---------- 8. 区块与布局基件 ---------- */
.section { padding-block: clamp(40px, 7vw, 96px); }
.section--tight { padding-block: clamp(24px, 4vw, 56px); }

.grid {
  display: grid;
  gap: var(--gap);
}

.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--8-4 { grid-template-columns: 8fr 4fr; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.panel {
  padding: clamp(18px, 3vw, 32px);
  background: var(--charcoal-800);
  border: 1px solid var(--line);
}

.panel--lime { border-left: 2px solid var(--lime-400); }

/* ---------- 9. 图片容器基件 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--charcoal-800);
  border: 1px solid var(--line);
}

.media--wide { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media__img,
.media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.65) contrast(1.06) brightness(.94);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(198, 242, 78, .5) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: .16;
}

.media__placeholder {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, rgba(42, 58, 52, .9) 0 25%, transparent 25% 50%, rgba(42, 58, 52, .9) 50% 75%, transparent 75% 100%);
  background-size: 24px 24px;
  opacity: .5;
}

.media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 6px 12px;
  background: rgba(7, 19, 15, .88);
  border-top: 1px solid rgba(198, 242, 78, .6);
  border-right: 1px solid rgba(198, 242, 78, .6);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--lime-400);
}

.media__caption {
  margin: 0;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist-300);
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-300);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs__item { display: inline-flex; align-items: center; }

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-inline: 8px;
  color: var(--mist-300);
  opacity: .5;
}

.breadcrumbs a {
  color: var(--mist-300);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.breadcrumbs a:hover { color: var(--lime-400); border-bottom-color: var(--lime-400); }

.breadcrumbs [aria-current="page"] { color: var(--bone-100); }

/* ---------- 11. 正文 ---------- */
.prose { max-width: 68ch; }
.prose > *:last-child { margin-bottom: 0; }

.prose h2 { font-size: var(--fs-28); margin: 1.6em 0 .6em; }
.prose h3 { font-size: var(--fs-18); font-family: var(--font-body); font-weight: 600; margin: 1.4em 0 .5em; }

.prose a {
  color: var(--lime-400);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--amber-500); }

.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin-bottom: .4em; }

.prose code {
  font-family: var(--font-mono);
  font-size: .9em;
  padding: 2px 6px;
  border: 1px solid var(--line);
  background: var(--charcoal-800);
}

/* ---------- 12. 数据表 ---------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--charcoal-800);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.data-table thead th {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--mist-300);
}

.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: rgba(198, 242, 78, .05); }

/* ---------- 13. 可访问标签页 ---------- */
.tabs { position: relative; }

.tabs__list {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.tabs__tab {
  flex: none;
  padding: 12px 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--mist-300);
  font-family: var(--font-body);
  font-size: var(--fs-13);
  letter-spacing: .12em;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.tabs__tab:hover { color: var(--bone-100); }

.tabs__tab[aria-selected="true"] {
  color: var(--lime-400);
  border-bottom-color: var(--lime-400);
}

.tabs__panel { padding-top: var(--gap); }
.tabs__panel[hidden] { display: none; }

/* ---------- 14. 显现动效 ---------- */
[data-reveal].is-armed {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 220ms var(--ease) var(--reveal-delay, 0ms),
    transform 220ms var(--ease) var(--reveal-delay, 0ms);
}

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

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1080px) {
  .status-badge { display: none; }

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

  .footer__brand-col { grid-column: 1 / -1; }
}

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

  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 4px var(--gutter) 16px;
    background: var(--ink-900);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-header[data-open="true"] .header__nav { display: block; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list__item + .nav-list__item { border-top: 1px solid var(--line); }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0 16px 12px;
    font-size: 1rem;
    letter-spacing: .12em;
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    color: var(--lime-400);
    box-shadow: inset 2px 0 0 var(--lime-400);
  }

  .rail-note { display: none; }

  .league-list {
    position: static;
    display: flex;
    gap: 1px;
    min-width: 0;
    margin-top: 10px;
    padding: 1px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    box-shadow: none;
  }

  .league-list__item {
    flex: none;
    min-width: 150px;
    scroll-snap-align: start;
  }

  .grid--7-5,
  .grid--8-4,
  .grid--3 { grid-template-columns: 1fr; }

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

@media (max-width: 720px) {
  .header__cta { display: none; }
  .grid--2 { grid-template-columns: 1fr; }

  .footer__base-inner { grid-template-columns: 1fr; }
  .footer__legal { justify-self: start; }
  .footer__copy { justify-self: start; text-align: left; }
}

@media (max-width: 520px) {
  .brand__domain { font-size: 10px; letter-spacing: .02em; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__rail-inner { gap: 10px; }
}

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

  [data-reveal].is-armed {
    opacity: 1;
    transform: none;
    transition: none;
  }
}