/* ============================================================
   冠竞赛事 · 全站共享样式 /assets/site.css
   结构：reset → 变量 → 排版 → 头部 → 页脚 → 通用组件 → 响应式
   ============================================================ */

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

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

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

ul, ol { list-style: none; }

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; cursor: pointer; }

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

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 变量 ---------- */
:root {
  --grass: #146B45;
  --grass-deep: #0B3B26;
  --sprout: #4FBF7F;
  --orange: #FF6A13;
  --orange-soft: #FFB27A;
  --night: #0D1B2A;
  --metal: #F5F7F4;
  --fog: #D5DDD7;
  --aqua: #38E1C6;
  --injury: #D64545;

  --bd: 2px solid var(--night);
  --bd-light: 2px solid rgba(245, 247, 244, 0.35);
  --shadow-1: 5px 5px 0 var(--night);
  --shadow-2: 8px 8px 0 var(--night);

  --rail: 1240px;
  --gut: clamp(16px, 4vw, 36px);

  --t-xs: 12px;
  --t-sm: 14px;
  --t-md: 16px;
  --t-lg: 18px;
  --t-xl: 24px;
  --t-2xl: 34px;
  --t-3xl: 52px;
  --t-4xl: 76px;

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang 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, "Courier New", monospace, system-ui, -apple-system, "Microsoft YaHei", sans-serif;
}

/* ---------- 排版与页面基底 ---------- */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--metal);
  color: var(--night);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.num,
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 布局容器 ---------- */
.shell {
  width: 100%;
  max-width: var(--rail);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 28px);
}

.prose {
  max-width: 690px;
  font-size: 17px;
  line-height: 1.8;
}

.prose p + p { margin-top: 1.1em; }
.prose h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--grass-deep);
  margin: 1.9em 0 0.6em;
}
.prose h3 {
  font-size: 19px;
  margin: 1.6em 0 0.5em;
}
.prose ul { margin: 1em 0; }
.prose li {
  position: relative;
  padding-left: 20px;
}
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}
.prose a {
  border-bottom: 2px solid var(--fog);
  transition: border-color 0.16s ease, color 0.16s ease;
}
.prose a:hover {
  color: var(--grass);
  border-bottom-color: var(--orange);
}
.prose strong { font-weight: 700; color: var(--grass-deep); }

/* ---------- 头部 ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--metal);
  border-bottom: var(--bd);
}

.site-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--grass);
  pointer-events: none;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--orange);
  color: var(--night);
  border: var(--bd);
  padding: 10px 16px;
  font-weight: 700;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

.head-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 44px);
  width: 100%;
  max-width: var(--rail);
  margin: 0 auto;
  padding: 0 var(--gut);
  min-height: 78px;
  transition: min-height 0.2s ease;
}

.head-left {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 28px);
  min-width: 0;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 6px solid var(--orange);
}

.brand__mark {
  font-family: var(--font-sans);
  font-size: clamp(19px, 1.9vw, 23px);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.14;
  color: var(--grass-deep);
  transition: color 0.16s ease;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--grass);
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.brand:hover .brand__mark { color: var(--grass); }

/* 赛季切换 */
.season-switch {
  display: inline-flex;
  align-items: stretch;
  border: var(--bd);
  background: var(--metal);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.16s ease;
}

.season-switch__legend {
  display: flex;
  align-items: center;
  padding: 6px 9px;
  background: var(--fog);
  border-right: var(--bd);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grass-deep);
}

.season-switch__key {
  padding: 6px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--night);
  font-variant-numeric: tabular-nums;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.season-switch__key + .season-switch__key { border-left: 2px solid var(--fog); }

.season-switch__key:hover { background: var(--fog); }

.season-switch__key[aria-pressed="true"] {
  background: var(--orange);
  color: var(--night);
}

.site-head[data-season="2023"] .season-switch { box-shadow: none; }
.site-head[data-season="2023"] .season-switch__legend { background: var(--fog); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: var(--bd);
  background: var(--metal);
  box-shadow: var(--shadow-1);
  transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.nav-toggle__bars {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--night);
  box-shadow: 0 -6px 0 var(--night), 0 6px 0 var(--night);
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-head[data-open="true"] .nav-toggle {
  background: var(--orange);
  box-shadow: none;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 22px);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  color: var(--night);
  transition: color 0.16s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--fog);
  transition: background-color 0.16s ease, height 0.16s ease;
}

.site-nav__link:hover { color: var(--grass); }
.site-nav__link:hover::after { background: var(--orange); }

.site-nav__link[aria-current="page"] { color: var(--grass-deep); }
.site-nav__link[aria-current="page"]::after {
  background: var(--orange);
  height: 4px;
}

.site-nav__tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-tool {
  display: inline-block;
  padding: 7px 12px;
  border: var(--bd);
  background: var(--metal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--night);
  transition: background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.nav-tool:hover {
  background: var(--night);
  color: var(--metal);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--orange);
}

/* 滚动收缩态 */
.site-head[data-scrolled="true"] .head-shell { min-height: 60px; }
.site-head[data-scrolled="true"] .brand__mark { font-size: 19px; }
.site-head[data-scrolled="true"] .brand__sub {
  opacity: 0;
  visibility: hidden;
}
.site-head[data-scrolled="true"] .season-switch { box-shadow: none; }
.site-head[data-scrolled="true"] .site-nav__link { padding: 5px 2px; }

/* 滚动进度 */
.head-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 页脚 ---------- */
.site-foot {
  margin-top: auto;
  background: var(--grass-deep);
  color: var(--metal);
  border-top: 8px solid var(--orange);
}

.foot-shell {
  width: 100%;
  max-width: var(--rail);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 58px) var(--gut) 22px;
}

.foot-grid {
  display: grid;
  grid-template-columns: minmax(230px, 0.9fr) 2fr;
  gap: clamp(24px, 4vw, 52px);
}

.foot-brand__mark {
  display: inline-block;
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 6px solid var(--orange);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.1;
  color: var(--metal);
  transition: color 0.16s ease;
}
.foot-brand__mark:hover { color: var(--orange); }

.foot-brand__line {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aqua);
  margin-bottom: 12px;
}

.foot-brand__note {
  max-width: 320px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 244, 0.74);
}
.foot-brand__note + .foot-brand__note { margin-top: 6px; }

.foot-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.foot-col__head {
  display: inline-block;
  margin-bottom: 12px;
  padding-bottom: 3px;
  border-bottom: 2px solid rgba(56, 225, 198, 0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aqua);
  transition: border-color 0.16s ease, color 0.16s ease;
}
.foot-col__head:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.foot-col__list li + li { margin-top: 7px; }

.foot-col__link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 247, 244, 0.82);
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.foot-col__link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.foot-console {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(26px, 4vw, 44px);
  border: 2px solid rgba(245, 247, 244, 0.28);
}

.foot-console__cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 15px;
  border-right: 2px solid rgba(245, 247, 244, 0.18);
}
.foot-console__cell:last-child { border-right: 0; }

.foot-console__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 247, 244, 0.58);
}

.foot-console__v {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--aqua);
  font-variant-numeric: tabular-nums;
}

.foot-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 18px;
  border-top: 2px solid rgba(245, 247, 244, 0.18);
}

.foot-contact {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: rgba(245, 247, 244, 0.7);
}

.foot-base__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.foot-legal__link {
  padding-bottom: 2px;
  border-bottom: 2px solid rgba(245, 247, 244, 0.3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--metal);
  transition: color 0.16s ease, border-color 0.16s ease;
}
.foot-legal__link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.foot-icp,
.foot-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 244, 0.55);
}

/* ---------- 通用组件 ---------- */
.sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
  border-bottom: var(--bd);
}

.sec-head__label {
  padding: 4px 8px;
  background: var(--night);
  color: var(--metal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sec-head__title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  color: var(--grass-deep);
}

.sec-head__note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grass);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: var(--bd);
  background: var(--metal);
  color: var(--night);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  box-shadow: 4px 4px 0 var(--night);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--night);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--night);
}

.btn--solid {
  background: var(--orange);
  color: var(--night);
}

.btn--ghost {
  background: transparent;
  color: var(--metal);
  border-color: var(--metal);
  box-shadow: 4px 4px 0 rgba(245, 247, 244, 0.35);
}
.btn--ghost:hover { box-shadow: 6px 6px 0 rgba(245, 247, 244, 0.5); }
.btn--ghost:active { box-shadow: 2px 2px 0 rgba(245, 247, 244, 0.5); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: var(--bd);
  background: var(--metal);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag--live {
  background: var(--orange);
  color: var(--night);
  border-color: var(--night);
}

.tag--injury {
  background: var(--injury);
  border-color: var(--injury);
  color: var(--metal);
}

.panel {
  border: var(--bd);
  background: var(--metal);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}
.panel:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-2);
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--grass);
  color: var(--metal);
  border-bottom: var(--bd);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.panel__body { padding: clamp(16px, 2.4vw, 24px); }

.stat-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
}

.stat-strip__label {
  min-width: 76px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grass);
}

.stat-strip__track {
  position: relative;
  flex: 1 1 auto;
  height: 12px;
  background: var(--fog);
  border: 2px solid var(--night);
}

.stat-strip__fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, var(--grass), var(--sprout));
}

.stat-strip__fill--accent {
  background: linear-gradient(90deg, var(--orange), var(--orange-soft));
}

.stat-strip__value {
  min-width: 52px;
  text-align: right;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--night);
}

.h-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--grass) var(--fog);
}
.h-scroll > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.h-scroll::-webkit-scrollbar { height: 8px; }
.h-scroll::-webkit-scrollbar-track { background: var(--fog); }
.h-scroll::-webkit-scrollbar-thumb { background: var(--grass); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.breadcrumb__item {
  color: var(--grass);
  transition: color 0.16s ease;
}
.breadcrumb__item:hover { color: var(--orange); }
.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 10px;
  color: var(--fog);
}
.breadcrumb__item[aria-current="page"] { color: var(--night); }

.media-frame {
  position: relative;
  overflow: hidden;
  border: var(--bd);
  background: var(--night);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-2);
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(245, 247, 244, 0.35) 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: 0.26;
}

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

.media-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 6px 10px;
  background: var(--night);
  color: var(--metal);
  border-top: var(--bd-light);
  border-right: var(--bd-light);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.disclosure {
  border: var(--bd);
  background: var(--metal);
  transition: border-color 0.16s ease;
}
.disclosure + .disclosure { margin-top: -2px; }
.disclosure:hover { border-color: var(--grass); }

.disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  color: var(--night);
  transition: background-color 0.16s ease;
}
.disclosure__trigger:hover { background: rgba(20, 107, 69, 0.08); }

.disclosure__title {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.disclosure__mark {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
}

.disclosure__panel {
  height: 0;
  overflow: hidden;
  transition: height 0.16s ease;
}

.disclosure__body {
  padding: 14px 16px 18px;
  border-top: 2px dashed var(--fog);
  font-size: 15px;
  line-height: 1.78;
}

.rule-slant {
  height: clamp(18px, 3vw, 34px);
  background: var(--grass);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .site-nav__link { font-size: 14px; }
  .site-nav__list { gap: 12px; }
}

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }

  .season-switch { display: none; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 8px var(--gut) 24px;
    background: var(--grass-deep);
    border-top: var(--bd);
    border-bottom: var(--bd);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }

  .site-head[data-open="true"] .site-nav { display: flex; }

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

  .site-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    font-size: 19px;
    color: var(--metal);
    border-bottom: 2px solid rgba(245, 247, 244, 0.14);
    white-space: normal;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link:hover { color: var(--orange); }
  .site-nav__link[aria-current="page"] {
    color: var(--orange);
    border-bottom-color: var(--orange);
  }

  .site-nav__tools {
    margin-top: 18px;
    flex-wrap: wrap;
  }

  .nav-tool {
    background: transparent;
    color: var(--metal);
    border-color: rgba(245, 247, 244, 0.45);
  }
  .nav-tool:hover {
    background: var(--orange);
    border-color: var(--orange);
    color: var(--night);
    transform: none;
    box-shadow: none;
  }

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

@media (max-width: 767px) {
  body { font-size: 16px; }

  .head-shell { min-height: 66px; }

  .site-head[data-scrolled="true"] .head-shell { min-height: 58px; }

  .site-head[data-scrolled="true"] .brand__mark { font-size: 18px; }

  .brand__sub { display: none; }

  .foot-console { grid-template-columns: 1fr; }
  .foot-console__cell {
    border-right: 0;
    border-bottom: 2px solid rgba(245, 247, 244, 0.18);
  }
  .foot-console__cell:last-child { border-bottom: 0; }

  .foot-base { flex-direction: column; }
  .foot-base__meta { align-items: flex-start; }

  .sec-head__note {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .foot-cols { grid-template-columns: 1fr; }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 10px 12px; }
  .btn { width: 100%; justify-content: center; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .h-scroll { scroll-behavior: auto; }
}