/* ==========================================================================
   星空体育赛场 · /assets/site.css
   共享外壳：reset、变量、中文排版、刊头、页脚、通用组件
   ========================================================================== */

/* 1. Reset */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
h1, h2, h3, h4 { font-weight: 900; line-height: 1.12; letter-spacing: -0.01em; }

/* 2. 变量 */
:root {
  --ink-900: #070B14;   /* 深空底 */
  --ink-800: #0C1424;   /* 夜航蓝 */
  --ink-700: #111B30;   /* 控制台蓝 */
  --gold: #F5C451;      /* 星芒金 */
  --cyan: #35E0D0;      /* 电光青 */
  --violet: #3A2A5A;    /* 暗紫 */
  --paper: #E8EEF7;     /* 冷白 */
  --muted: #8896AD;     /* 灰蓝 */
  --line: #29405C;      /* 印刷线 */
  --line-soft: rgba(41, 64, 92, 0.55);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --gutter: clamp(16px, 4vw, 44px);
  --maxw: 1260px;
  --radius: 2px;
}

/* 3. 基础与中文排版 */
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(62% 44% at 6% 0%, rgba(53, 224, 208, 0.10), transparent 62%),
    radial-gradient(54% 42% at 94% 2%, rgba(245, 196, 81, 0.09), transparent 60%),
    radial-gradient(86% 62% at 50% 104%, rgba(58, 42, 90, 0.38), transparent 72%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 900px) {
  body { background-attachment: fixed; }
}

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(53, 224, 208, 0.16);
}

/* 4. 跳过链接 */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  transform: translateY(-190%);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  background: var(--gold);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: transform 0.18s ease;
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* 5. 刊头 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(7, 11, 20, 0.985), rgba(9, 15, 28, 0.955));
  border-bottom: 1px solid var(--line);
  box-shadow: 0 22px 44px -36px #000;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.masthead {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "brand nav actions";
  align-items: center;
  gap: clamp(10px, 2vw, 28px);
  padding-block: 8px;
}

/* 品牌 */
.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding-right: 2px;
}

.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(245, 196, 81, 0.55);
  border-radius: 1px;
  transform: rotate(45deg);
}

.brand__mark::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(245, 196, 81, 0.85);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(53, 224, 208, 0.35);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1;
  min-width: 0;
}

.brand__name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--paper);
  white-space: nowrap;
}

.brand__meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

/* 居中刊头导航 */
.site-nav { grid-area: nav; justify-self: center; min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0px, 1vw, 8px);
}

.site-nav__item { position: relative; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  border-radius: var(--radius);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 7px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

.site-nav__link:hover { color: var(--gold); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] { color: var(--gold); }
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

/* 右侧动作区 */
.masthead__actions {
  grid-area: actions;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn--gold { background: var(--gold); border-color: var(--gold); color: #0A0F1A; }
.btn--gold:hover { background: #FFD873; border-color: #FFD873; }

.btn--ghost {
  background: rgba(53, 224, 208, 0.07);
  border-color: rgba(53, 224, 208, 0.55);
  color: var(--cyan);
}
.btn--ghost:hover {
  background: rgba(53, 224, 208, 0.16);
  border-color: var(--cyan);
  color: #C4FCF6;
}

.btn--quiet { background: transparent; border-color: var(--line); color: var(--paper); }
.btn--quiet:hover { border-color: var(--cyan); color: var(--cyan); }

.btn--sm { padding: 0 14px; font-size: 13px; }

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: background-color 0.18s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.nav-toggle__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; }

/* 联赛标签带 */
.league-strip {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 6px;
  border-top: 1px solid var(--line-soft);
}

.league-strip__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.league-strip__tags {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-block: 3px;
  scrollbar-width: none;
}

.league-strip__tags::-webkit-scrollbar { display: none; }

.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 48, 0.65);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.chip:hover { color: var(--paper); border-color: #3D5B7F; }

.chip[aria-pressed="true"] {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(245, 196, 81, 0.12);
  box-shadow: inset 0 0 0 1px rgba(245, 196, 81, 0.18);
}

.league-strip__hint {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  white-space: nowrap;
}

/* 阅读进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  background: rgba(41, 64, 92, 0.5);
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  transition: width 0.12s linear;
}

/* 6. 页脚 */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: linear-gradient(180deg, rgba(12, 20, 36, 0.97), #070B14 78%);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0 96px, rgba(245, 196, 81, 0.14) 96px 230px, transparent 230px);
}

.footer__inner {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
  padding-block: clamp(32px, 5vw, 60px) 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 1.3fr;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
}

.footer__col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer__col--brand { gap: 14px; }

.brand--footer { grid-area: auto; padding: 0; }
.brand--footer .brand__name { font-size: 16px; }
.brand--footer .brand__meta { color: var(--muted); }

.footer__tagline {
  font-size: 14px;
  color: var(--paper);
  max-width: 26em;
  line-height: 1.6;
}

.footer__note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 30em;
}

.footer__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer__list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer__list--contact { gap: 8px; }

.footer__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--paper);
  transition: color 0.18s ease;
}

.footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 9px;
  width: 16px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

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

.copy-field {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  padding: 8px 0;
  border-top: 1px dashed rgba(41, 64, 92, 0.6);
}

.copy-field--plain .footer__value { color: var(--muted); }

.footer__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 2.6em;
}

.footer__value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.copy-btn {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid rgba(53, 224, 208, 0.45);
  border-radius: var(--radius);
  background: rgba(53, 224, 208, 0.07);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.copy-btn:hover {
  background: rgba(53, 224, 208, 0.18);
  border-color: var(--cyan);
  color: #C4FCF6;
}

.copy-status {
  flex: 1 0 100%;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.copy-status:empty { display: none; }

.footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(245, 196, 81, 0.6);
  border-radius: var(--radius);
  background: rgba(245, 196, 81, 0.08);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.footer__cta:hover { background: rgba(245, 196, 81, 0.18); border-color: var(--gold); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 14px;
}

.footer__legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
}

.footer__legal-links .footer__link {
  font-size: 12.5px;
  color: var(--muted);
}

.footer__legal-links .footer__link:hover { color: var(--cyan); }

/* 7. 通用布局与排版组件 */
.container {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto;
}

.section { padding-block: clamp(36px, 6vw, 80px); }
.section--tight { padding-block: clamp(22px, 3.4vw, 44px); }

.section--ink {
  background: linear-gradient(180deg, rgba(12, 20, 36, 0.92), rgba(12, 20, 36, 0.55));
  border-block: 1px solid var(--line-soft);
}

.section--violet {
  background: linear-gradient(150deg, rgba(58, 42, 90, 0.55), rgba(58, 42, 90, 0.18));
  border-block: 1px solid rgba(58, 42, 90, 0.75);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px 24px;
  padding-bottom: 16px;
  margin-bottom: clamp(18px, 3vw, 32px);
  border-bottom: 1px solid var(--line-soft);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.vlabel {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule {
  height: 1px;
  border: 0;
  margin-block: clamp(20px, 3vw, 34px);
  background: linear-gradient(90deg, var(--line), transparent);
}

.grid { display: grid; gap: clamp(14px, 2.2vw, 26px); }
.grid--split { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.grid--offset > *:nth-child(even) { transform: translateY(clamp(0px, 1.6vw, 18px)); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  padding-block: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--paper);
  transition: color 0.18s ease;
}

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

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

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

/* 面板（纸张叠层） */
.panel {
  position: relative;
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(170deg, var(--ink-700), rgba(12, 20, 36, 0.92));
}

.panel--stacked { box-shadow: 10px -10px 0 -2px rgba(58, 42, 90, 0.45); }
.panel--accent { border-color: rgba(245, 196, 81, 0.5); }

/* 标签戳 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 48, 0.6);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag--gold { color: var(--gold); border-color: rgba(245, 196, 81, 0.55); background: rgba(245, 196, 81, 0.1); }
.tag--cyan { color: var(--cyan); border-color: rgba(53, 224, 208, 0.5); background: rgba(53, 224, 208, 0.08); }

/* 数据 */
.data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  border-top: 2px solid var(--line);
}

.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  color: var(--gold);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* 长文 */
.prose {
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--paper);
}

.prose > * + * { margin-top: 0.9em; }

.prose h2 {
  font-size: clamp(20px, 2.6vw, 26px);
  margin-top: 1.6em;
  padding-top: 0.6em;
  border-top: 1px solid var(--line-soft);
}

.prose h3 { font-size: 18px; margin-top: 1.4em; color: var(--gold); }

.prose ul { display: flex; flex-direction: column; gap: 0.4em; }

.prose li { position: relative; padding-left: 1.1em; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 2px;
  background: var(--cyan);
}

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

.prose strong { color: #FFFFFF; font-weight: 700; }

.prose blockquote {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  color: var(--muted);
}

/* 图片容器基础规则 */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-800));
}

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

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 11, 20, 0) 45%, rgba(7, 11, 20, 0.62)),
    repeating-linear-gradient(90deg, rgba(232, 238, 247, 0.06) 0 1px, transparent 1px 88px);
}

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

.media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 6px 10px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: rgba(7, 11, 20, 0.84);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--paper);
}

/* 8. 响应式 */
@media (max-width: 1120px) {
  .site-nav__link { font-size: 14px; padding: 0 8px; }
  .site-nav__link::after { left: 8px; right: 8px; }
}

@media (max-width: 960px) {
  .masthead {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 8px 12px;
    padding-block: 8px;
  }

  .site-nav {
    display: none;
    width: 100%;
    justify-self: stretch;
    padding-top: 6px;
    border-top: 1px solid var(--line-soft);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .site-nav[data-open] {
    display: block;
    animation: nav-reveal 0.22s ease both;
  }

  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .site-nav__link {
    width: 100%;
    min-height: 48px;
    padding: 0 6px;
    font-size: 16px;
    border-bottom: 1px solid rgba(41, 64, 92, 0.45);
    border-radius: 0;
  }

  .site-nav__link::after { left: 6px; right: auto; width: 22px; bottom: 11px; }

  .nav-toggle { display: inline-flex; }

  .league-strip { gap: 10px; padding-block: 5px; }
  .league-strip__hint { display: none; }

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

  .grid--offset > *:nth-child(even) { transform: none; }
}

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .brand__name { font-size: 15px; }
  .brand__meta { font-size: 8.5px; letter-spacing: 0.14em; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer__legal-links { gap: 0 14px; }
  .league-strip__label { font-size: 9px; letter-spacing: 0.14em; }
}

@media (max-width: 400px) {
  .brand__meta { display: none; }
  .masthead__actions .btn--sm { padding: 0 11px; font-size: 12px; }
}

@keyframes nav-reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* 9. 减少动态 */
@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;
  }

  .grid--offset > *:nth-child(even) { transform: none; }
  .site-nav[data-open] { animation: none; }
}