/* ===== 英皇赛事 · 共享外壳样式 /assets/site.css ===== */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
hr { border: 0; }

/* ---------- tokens ---------- */
:root {
  --crimson: #7A1122;
  --crimson-deep: #4A0A16;
  --gold: #D9A33C;
  --gold-light: #F0D08A;
  --cyan: #3FC8E4;
  --violet: #6A5CFF;
  --cream: #F7F0E4;
  --ink: #1A1310;
  --warm-gray: #6B5F55;
  --glass: rgba(255,255,255,.12);
  --paper: #FFFDF8;
  --line: rgba(26,19,16,.14);
  --line-gold: rgba(217,163,60,.45);
  --line-gold-soft: rgba(240,208,138,.26);

  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --font-editorial: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  --header-h: 84px;
  --header-h-compact: 64px;
  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1280px;
  --radius: 3px;
  --shadow-1: 0 8px 22px rgba(26,19,16,.10);
  --shadow-2: 0 18px 44px rgba(26,19,16,.22);
  --ease: cubic-bezier(.22,.7,.3,1);
  --dur: .26s;
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  background-color: var(--cream);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 900; letter-spacing: -.02em; line-height: 1.14; color: var(--ink); }
h1 { font-size: clamp(40px, 6.4vw, 96px); }
h2 { font-size: clamp(28px, 3.6vw, 56px); }
h3 { font-size: clamp(20px, 2.2vw, 28px); }
h4 { font-size: 20px; letter-spacing: -.01em; }
p { font-size: 16px; line-height: 1.75; }

a { color: inherit; text-decoration-color: var(--gold); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--cyan); }

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

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }

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

/* ---------- skip link ---------- */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 120;
  padding: 10px 18px;
  background: var(--ink); color: var(--gold-light);
  border: 1px solid var(--gold); border-radius: 2px;
  font-size: 14px; font-weight: 800; letter-spacing: .04em; text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- layout ---------- */
.wrap { width: min(var(--maxw), 100% - var(--gutter) * 2); margin-inline: auto; }

.page-hero { padding-top: calc(var(--header-h) + clamp(48px, 9vw, 104px)); padding-bottom: clamp(40px, 6vw, 72px); }
.page-section { padding-block: clamp(44px, 6vw, 88px); }
.page-section--first { padding-top: calc(var(--header-h) + clamp(28px, 5vw, 56px)); padding-bottom: clamp(36px, 5vw, 72px); }

.band-dark { background: var(--ink); color: var(--cream); }
.band-crimson { background: var(--crimson); color: var(--cream); }
.band-paper { background: var(--paper); }
.band-dark h1, .band-dark h2, .band-dark h3, .band-dark h4,
.band-crimson h1, .band-crimson h2, .band-crimson h3, .band-crimson h4 { color: var(--cream); }

.slant-a { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 34px)); }
.slant-b { clip-path: polygon(0 34px, 100% 0, 100% 100%, 0 100%); }

.grid { display: grid; gap: clamp(16px, 2.2vw, 28px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.flow { display: flex; flex-direction: column; gap: clamp(12px, 1.6vw, 20px); }
.stack > * + * { margin-top: var(--stack-gap, 16px); }

/* ---------- editorial bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-editorial); font-size: 15px; letter-spacing: .18em;
  color: var(--crimson);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--gold); }
.eyebrow--on-dark { color: var(--gold-light); }

.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, 3.2vw, 44px); }

.lead {
  font-family: var(--font-editorial);
  font-size: clamp(17px, 1.5vw, 21px); line-height: 1.7;
  color: var(--warm-gray); max-width: 52ch;
}
.lead--on-dark { color: rgba(247,240,228,.78); }

.rule {
  position: relative; height: 1px; margin: clamp(20px, 3vw, 36px) 0;
  background: linear-gradient(90deg, var(--line-gold), rgba(217,163,60,0));
}
.rule::before { content: ""; position: absolute; left: 0; top: -3px; width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg); }

.tag {
  display: inline-block; padding: 3px 9px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  color: var(--crimson); background: rgba(217,163,60,.16);
  border: 1px solid var(--line-gold); border-radius: 2px;
}

.data-value { font-family: var(--font-mono); font-weight: 700; letter-spacing: -.01em; color: var(--cyan); font-variant-numeric: tabular-nums; }
.data-value--violet { color: var(--violet); }
.data-value--gold { color: var(--gold); }

.stat-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px dashed rgba(26,19,16,.18); }
.stat-label { font-size: 14px; color: var(--warm-gray); }
.stat { font-family: var(--font-mono); font-weight: 700; font-size: 20px; letter-spacing: -.01em; color: var(--cyan); font-variant-numeric: tabular-nums; }

/* ---------- breadcrumbs ---------- */
.breadcrumbs { margin-bottom: clamp(16px, 2vw, 28px); font-size: 13px; color: var(--warm-gray); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "›"; color: var(--gold); font-size: 15px; }
.breadcrumbs a { color: var(--warm-gray); text-decoration: none; border-bottom: 1px solid transparent; transition: color var(--dur), border-color var(--dur); }
.breadcrumbs a:hover { color: var(--crimson); border-bottom-color: var(--gold); }
.breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: 700; }

/* ---------- prose ---------- */
.prose { max-width: 70ch; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { margin-top: 1.8em; font-size: clamp(24px, 2.4vw, 34px); }
.prose h3 { margin-top: 1.5em; }
.prose p { font-size: 17px; line-height: 1.75; }
.prose a { color: var(--crimson); text-decoration: underline; text-decoration-color: var(--gold); }
.prose a:hover { color: var(--crimson-deep); text-decoration-color: var(--cyan); }
.prose ul { display: grid; gap: .6em; }
.prose ul li { position: relative; padding-left: 22px; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; background: var(--gold); transform: rotate(45deg); }
.prose blockquote { font-family: var(--font-editorial); font-size: clamp(18px, 1.8vw, 24px); color: var(--crimson); border-left: 3px solid var(--gold); padding-left: 18px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 2px; border: 1px solid transparent;
  font-family: var(--font-display); font-size: 14px; font-weight: 800; letter-spacing: .04em;
  text-decoration: none; cursor: pointer;
  transition: transform var(--dur) var(--ease), background-color var(--dur), color var(--dur), border-color var(--dur), box-shadow var(--dur);
}
.btn-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: #3A2208; border-color: rgba(255,255,255,.35); white-space: nowrap; }
.btn-gold:hover { background: linear-gradient(135deg, #FFF3D2, var(--gold-light)); transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--gold-light); border-color: var(--line-gold); }
.btn-ghost:hover { background: rgba(240,208,138,.18); color: #fff; }
.btn-outline { background: transparent; color: var(--crimson); border-color: var(--line-gold); }
.btn-outline:hover { background: var(--crimson); color: var(--cream); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ---------- media frame ---------- */
.media-frame {
  position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 9;
  background-color: var(--crimson-deep);
  background-image:
    repeating-linear-gradient(115deg, rgba(240,208,138,.14) 0 1px, rgba(0,0,0,0) 1px 22px),
    linear-gradient(135deg, rgba(122,17,34,.95), rgba(26,19,16,.95));
}
.media-frame img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.media-frame figcaption {
  position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
  padding: 10px 14px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--gold-light);
  background: linear-gradient(0deg, rgba(26,19,16,.88), rgba(26,19,16,0));
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--portrait { aspect-ratio: 3 / 4; }

/* ---------- card ---------- */
.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur), background-color var(--dur);
}
.card:hover, .card:focus-within { transform: translateY(-6px); border-color: var(--line-gold); }
.card--dark { background: rgba(255,255,255,.05); border-color: var(--line-gold-soft); color: var(--cream); }
.card--dark .card-title { color: var(--cream); }
.card--dark .card-meta { color: rgba(247,240,228,.66); }
.card--dark .card-text { color: rgba(247,240,228,.78); }
.card-body { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: clamp(18px, 2.2vw, 28px); }
.card-title { font-size: clamp(18px, 1.6vw, 22px); font-weight: 900; letter-spacing: -.01em; line-height: 1.32; }
.card-title a { text-decoration: none; }
.card-title a:hover { color: var(--crimson); }
.card-text { font-size: 15px; line-height: 1.7; color: var(--warm-gray); }
.card-meta { display: flex; flex-wrap: wrap; gap: 10px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--warm-gray); }

/* ---------- chips ---------- */
.chip-set { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--line);
  font-size: 13px; font-weight: 700; letter-spacing: .03em;
  transition: background-color var(--dur), color var(--dur), border-color var(--dur);
}
.chip:hover { border-color: var(--gold); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--gold-light); border-color: var(--gold); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  height: var(--header-h);
  color: var(--cream);
  background-color: rgba(26,19,16,.38);
  -webkit-backdrop-filter: blur(10px) saturate(125%);
  backdrop-filter: blur(10px) saturate(125%);
  box-shadow: inset 0 -1px 0 rgba(240,208,138,.22);
  transition: height var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-solid {
  height: var(--header-h-compact);
  background-color: var(--crimson);
  box-shadow: inset 0 -1px 0 var(--line-gold), 0 14px 30px rgba(26,19,16,.28);
}
.header-inner {
  display: flex; align-items: center; gap: clamp(10px, 1.6vw, 28px);
  width: min(var(--maxw), 100% - var(--gutter) * 2); height: 100%; margin-inline: auto;
}

.brand { position: relative; z-index: 70; display: flex; align-items: center; gap: 12px; flex: 0 0 auto; text-decoration: none; color: inherit; }
.brand-mark {
  display: grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px;
  font-family: var(--font-display); font-size: 20px; font-weight: 900; letter-spacing: -.02em;
  color: #3A2208; background: linear-gradient(150deg, var(--gold-light), var(--gold));
  clip-path: polygon(14% 0, 100% 0, 86% 100%, 0 100%);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-display); font-size: 20px; font-weight: 900; letter-spacing: .05em; }
.brand-line { font-family: var(--font-editorial); font-size: 12px; letter-spacing: .1em; color: var(--gold-light); }

.site-nav { display: flex; align-items: center; gap: clamp(12px, 1.6vw, 30px); margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: clamp(8px, 1.1vw, 18px); }
.nav-link {
  position: relative; display: inline-block; padding: 6px 0;
  font-size: 13.5px; font-weight: 700; letter-spacing: .02em; white-space: nowrap;
  color: rgba(247,240,228,.85); text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--cyan); transition: right var(--dur) var(--ease), background-color var(--dur);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { right: 0; }
.nav-link[aria-current="page"] { color: var(--gold-light); }
.nav-link[aria-current="page"]::after { right: 0; background: var(--gold); }

.nav-utility { display: flex; align-items: center; gap: clamp(8px, 1vw, 16px); padding-left: clamp(10px, 1.4vw, 22px); border-left: 1px solid var(--line-gold-soft); }
.utility-link { font-size: 13px; font-weight: 600; color: rgba(247,240,228,.72); text-decoration: none; white-space: nowrap; transition: color var(--dur); }
.utility-link:hover { color: var(--gold-light); }

.nav-toggle {
  display: none; position: relative; z-index: 70; margin-left: auto;
  width: 46px; height: 46px; align-items: center; justify-content: center;
  background: var(--glass); color: var(--gold-light);
  border: 1px solid var(--line-gold); border-radius: 2px;
  transition: background-color var(--dur);
}
.nav-toggle:hover { background: rgba(240,208,138,.2); }
.nav-toggle-bars { position: relative; display: block; width: 20px; height: 2px; background: currentColor; transition: background-color var(--dur); }
.nav-toggle-bars::before, .nav-toggle-bars::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: currentColor;
  transition: transform var(--dur) var(--ease);
}
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background-color: 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); }

.round-scale { display: flex; align-items: center; gap: 8px; overflow-x: auto; padding: 2px 0; }
.round-tick {
  flex: 0 0 auto; padding: 6px 10px; border-radius: 2px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em;
  color: var(--gold-light); background: rgba(240,208,138,.07); border: 1px solid var(--line-gold);
}

.header-progress {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; height: 2px;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--crimson), var(--gold), var(--cyan));
}

/* ---------- footer ---------- */
.site-footer {
  position: relative; margin-top: clamp(56px, 8vw, 104px);
  color: var(--cream); border-top: 3px solid var(--gold);
  background-color: var(--crimson-deep);
  background-image:
    repeating-linear-gradient(90deg, rgba(240,208,138,.09) 0 1px, rgba(0,0,0,0) 1px 48px),
    linear-gradient(180deg, #7A1122 0%, #4A0A16 100%);
}
.footer-inner {
  display: grid; grid-template-columns: 1.1fr 2.2fr 1.4fr;
  gap: clamp(24px, 3vw, 44px);
  width: min(var(--maxw), 100% - var(--gutter) * 2); margin-inline: auto;
  padding-block: clamp(36px, 5vw, 64px) clamp(24px, 3vw, 40px);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.footer-logo { font-family: var(--font-display); font-size: 24px; font-weight: 900; letter-spacing: .08em; color: var(--gold-light); text-decoration: none; }
.footer-logo:hover { color: #fff; }
.footer-tagline { font-family: var(--font-editorial); font-size: 14px; letter-spacing: .1em; color: rgba(247,240,228,.72); }
.to-top {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px;
  font-size: 13px; font-weight: 800; letter-spacing: .06em;
  color: var(--gold-light); background: rgba(255,255,255,.06);
  border: 1px solid var(--line-gold); border-radius: 2px;
  transition: background-color var(--dur), color var(--dur), transform var(--dur) var(--ease);
}
.to-top:hover { background: rgba(240,208,138,.18); color: #fff; transform: translateY(-2px); }

.footer-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-title { font-size: 14px; font-weight: 800; letter-spacing: .16em; color: var(--gold); }
.footer-links { display: grid; gap: 9px; }
.footer-link {
  position: relative; display: inline-block; padding-left: 14px;
  font-size: 14px; color: rgba(247,240,228,.82); text-decoration: none;
  transition: color var(--dur), padding-left var(--dur) var(--ease);
}
.footer-link::before {
  content: ""; position: absolute; left: 0; top: .58em; width: 6px; height: 6px;
  background: var(--gold); transform: rotate(45deg) scale(.8);
  transition: transform var(--dur) var(--ease);
}
.footer-link:hover { color: var(--gold-light); padding-left: 19px; }
.footer-link:hover::before { transform: rotate(45deg) scale(1); }

.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-line { display: flex; flex-direction: column; gap: 2px; }
.footer-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.footer-value { font-size: 14px; line-height: 1.6; color: var(--cream); word-break: break-word; }

.footer-base {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px;
  width: min(var(--maxw), 100% - var(--gutter) * 2); margin-inline: auto;
  padding-block: 18px 28px;
  border-top: 1px solid var(--line-gold-soft);
  font-size: 13px; color: rgba(247,240,228,.66);
}
.footer-legal { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; }
.footer-note { max-width: 60ch; }

/* ---------- reveal（由 site.js 驱动，无 JS 时默认可见） ---------- */
html.has-reveal [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .32s var(--ease), transform .32s var(--ease); }
html.has-reveal [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1319px) and (min-width: 1180px) {
  .utility-link { display: none; }
  .nav-utility { border-left: 0; padding-left: 0; }
}

@media (max-width: 1179px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; top: 0; right: 0; z-index: 55;
    display: flex; flex-direction: column; align-items: stretch; gap: 22px;
    width: min(380px, 88vw); height: 100vh; height: 100dvh;
    margin-left: 0; padding: calc(var(--header-h) + 16px) clamp(20px, 5vw, 32px) 40px;
    background: linear-gradient(180deg, rgba(74,10,22,.97), rgba(26,19,16,.98));
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    border-left: 1px solid var(--line-gold);
    box-shadow: -20px 0 50px rgba(26,19,16,.45);
    overflow-y: auto;
    transform: translateX(103%);
    transition: transform .3s var(--ease);
  }
  .site-nav[data-open] { transform: translateX(0); }

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-item { border-bottom: 1px solid rgba(240,208,138,.16); }
  .nav-link { display: block; padding: 15px 2px; font-size: 17px; }
  .nav-link::after { bottom: 10px; }

  .nav-utility {
    flex-direction: column; align-items: stretch; gap: 12px;
    padding-left: 0; padding-top: 20px;
    border-left: 0; border-top: 1px solid var(--line-gold-soft);
  }
  .utility-link { display: block; padding: 8px 0; font-size: 14px; }
  .nav-utility .btn-gold { width: 100%; }
}

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 72px; }
  .brand-name { font-size: 18px; }
  .brand-line { font-size: 11px; letter-spacing: .06em; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .brand-mark { flex-basis: 38px; width: 38px; height: 38px; font-size: 18px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  html.has-reveal [data-reveal] { opacity: 1; transform: none; }
  .header-progress { transition: none; }
  .card:hover, .card:focus-within { transform: none; }
}