/* ==========================================================================
   环球体育主站 — 共享样式表 /assets/site.css
   蓝图网格 · 深海底色 · 荧光青与熔岩橙的对撞
   ========================================================================== */

:root {
  --deep-abyss: #061420;
  --navy-deck: #0C2233;
  --inner-blue: #12395A;
  --neon-cyan: #3FE0D0;
  --aqua-dim: #1E8C86;
  --lava-orange: #FF6A2B;
  --ember-glow: #FFA06B;
  --chalk-white: #EAF4F8;
  --slate-mute: #8FA9BC;
  --grid-line: #1B3A52;

  --font-display: "Helvetica Neue", "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --shell-max: 1260px;
  --shell-pad: clamp(16px, 4vw, 44px);

  --r-sm: 14px;
  --r-card: 24px;
  --r-lg: 28px;
  --r-pill: 999px;

  --fz-xs: 11px;
  --fz-sm: 13px;
  --fz-base: 16px;
  --fz-md: 19px;
  --fz-lg: 24px;
  --fz-xl: 30px;
  --fz-2xl: 38px;
  --fz-3xl: 48px;
  --fz-4xl: 60px;
  --fz-5xl: 76px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 150px;
  background-color: var(--deep-abyss);
}

body {
  position: relative;
  z-index: 0;
  margin: 0;
  min-height: 100vh;
  background-color: var(--deep-abyss);
  color: var(--chalk-white);
  font-family: var(--font-body);
  font-size: var(--fz-base);
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(27, 58, 82, .55) 0 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 58, 82, .26) 0 1px, transparent 1px);
  background-size: calc(100% / 12) 100%, 100% 88px;
  opacity: .55;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.12;
  color: var(--chalk-white);
}

p { margin: 0; }
img, svg, video { max-width: 100%; display: block; }
a { color: var(--neon-cyan); text-decoration: none; }
a:hover { color: var(--ember-glow); }
button { font: inherit; color: inherit; }
table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: var(--lava-orange);
  color: var(--deep-abyss);
}

#main-content {
  position: relative;
  z-index: 1;
  display: block;
}

/* ---------- 通用容器与网格 ---------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

/* ---------- 索引语言 ---------- */
.coord {
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--slate-mute);
}

.section-index {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.section-index::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--aqua-dim);
}

.data-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
}

/* ---------- 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease);
}

.btn--primary {
  background: var(--lava-orange);
  color: var(--deep-abyss);
}
.btn--primary:hover {
  background: var(--ember-glow);
  color: var(--deep-abyss);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--aqua-dim);
  color: var(--neon-cyan);
}
.btn--ghost:hover {
  border-color: var(--neon-cyan);
  background: rgba(63, 224, 208, .1);
  color: var(--neon-cyan);
}

.panel {
  background: var(--navy-deck);
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  padding: clamp(20px, 3vw, 34px);
}

.panel--raised {
  background: linear-gradient(158deg, var(--navy-deck) 0%, var(--inner-blue) 100%);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-pill);
  background: var(--inner-blue);
  color: var(--chalk-white);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .08em;
}

.tag--hot {
  border-color: transparent;
  background: rgba(255, 106, 43, .16);
  color: var(--ember-glow);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate-mute);
}

.breadcrumb a {
  color: var(--slate-mute);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.breadcrumb a:hover { color: var(--neon-cyan); }

.breadcrumb__sep {
  color: var(--aqua-dim);
  letter-spacing: 0;
}

/* ---------- 正文容器 ---------- */
.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--chalk-white);
}

.prose p + p { margin-top: 1em; }

.prose h2 {
  margin-top: 1.6em;
  font-size: clamp(26px, 3vw, 38px);
}

.prose h3 {
  margin-top: 1.4em;
  font-size: clamp(20px, 2vw, 24px);
  color: var(--neon-cyan);
  font-weight: 500;
}

.prose ul {
  margin: 1em 0 0;
  padding-left: 1.2em;
  list-style: none;
}

.prose ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: .5em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--aqua-dim);
}

.prose strong { color: var(--neon-cyan); font-weight: 600; }

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-card);
  background:
    linear-gradient(150deg, var(--navy-deck) 0%, var(--inner-blue) 100%);
}

.media-frame--wide { aspect-ratio: 21 / 9; border-radius: var(--r-lg); }
.media-frame--tall { aspect-ratio: 3 / 4; }

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(63, 224, 208, .16);
  pointer-events: none;
}

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 20, 32, .86);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--grid-line);
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}

.site-header[data-compact] {
  background: rgba(6, 20, 32, .96);
  border-bottom-color: var(--inner-blue);
}

.skip-link {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  padding: 12px 26px;
  background: var(--neon-cyan);
  color: var(--deep-abyss);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: 0 0 var(--r-pill) var(--r-pill);
  transition: top .22s var(--ease);
}

.skip-link:focus {
  top: 0;
  color: var(--deep-abyss);
}

.site-header__frame {
  position: relative;
}

/* ---- 刊头 ---- */
.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 20px 0 10px;
  transition: padding .28s var(--ease);
}

.site-header[data-compact] .masthead {
  padding: 8px 0 6px;
}

.masthead__brand {
  display: flex;
  justify-content: center;
}

.masthead__wing {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.masthead__wing--left { justify-content: flex-start; }
.masthead__wing--right { justify-content: flex-end; }

/* ---- 品牌字标 ---- */
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--chalk-white);
}

.brand__mark {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 400;
  font-stretch: condensed;
  letter-spacing: -.02em;
  line-height: 1;
  white-space: nowrap;
  transition: font-size .28s var(--ease), color .22s var(--ease);
}

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

.site-header[data-compact] .brand__mark {
  font-size: clamp(19px, 2.2vw, 26px);
}

.brand__sub {
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--slate-mute);
  white-space: nowrap;
  transition: opacity .22s var(--ease);
}

.site-header[data-compact] .brand__sub {
  display: none;
}

/* ---- 访问形态索引 ---- */
.access-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 12px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-pill);
  background: var(--navy-deck);
  color: var(--slate-mute);
  font-size: 12px;
  letter-spacing: .16em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s var(--ease), color .22s var(--ease), background-color .22s var(--ease);
}

.access-index:hover {
  border-color: var(--neon-cyan);
  background: var(--inner-blue);
  color: var(--neon-cyan);
}

.access-index__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0;
  color: var(--neon-cyan);
}

.access-index__label { letter-spacing: .16em; }

/* ---- CTA 胶囊 ---- */
.cta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  background: var(--lava-orange);
  color: var(--deep-abyss);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
}

.cta-pill:hover {
  background: var(--ember-glow);
  color: var(--deep-abyss);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .16);
}

.cta-pill--lg {
  padding: 15px 30px;
  font-size: 14px;
}

/* ---- 导航条 ---- */
.nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--grid-line);
}

.nav-bar__label { display: none; }

.site-nav {
  width: 100%;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  margin: 0;
  padding: 7px 0 9px;
  list-style: none;
  counter-reset: navidx;
}

.site-nav__item { counter-increment: navidx; }

.site-nav__link {
  position: relative;
  display: block;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  color: var(--slate-mute);
  font-size: 14px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

.site-nav__link::before {
  content: counter(navidx, decimal-leading-zero);
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--aqua-dim);
}

.site-nav__link:hover {
  color: var(--chalk-white);
  background: var(--inner-blue);
}

.site-nav__link[aria-current="page"] {
  background: var(--neon-cyan);
  color: var(--deep-abyss);
  font-weight: 600;
}

.site-nav__link[aria-current="page"]:hover {
  background: var(--neon-cyan);
  color: var(--deep-abyss);
}

.site-nav__link[aria-current="page"]::before {
  color: rgba(6, 20, 32, .55);
}

/* ---- 移动端导航按钮 ---- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--grid-line);
  border-radius: var(--r-pill);
  background: var(--navy-deck);
  color: var(--chalk-white);
  font-size: 13px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: background-color .2s var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .22s var(--ease), top .22s var(--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 { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--navy-deck);
  border-top: 1px solid var(--inner-blue);
}

/* ---- 快速访问入口带 ---- */
.footer-entry {
  background:
    linear-gradient(96deg, rgba(30, 140, 134, .22) 0%, rgba(18, 57, 90, .3) 46%, rgba(255, 106, 43, .18) 100%);
  border-bottom: 1px solid var(--grid-line);
}

.footer-entry__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 20px;
}

.footer-entry__text {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--chalk-white);
  max-width: 62ch;
}

.footer-entry__text .coord { color: var(--neon-cyan); }

/* ---- 四栏蓝图 ---- */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: clamp(24px, 3vw, 48px);
  padding-block: clamp(34px, 5vw, 64px);
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  font-weight: 400;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.footer-col__title::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--aqua-dim);
}

.footer-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
}

.footer-brand__mark {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--chalk-white);
}

.footer-brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--slate-mute);
}

.footer-brand:hover .footer-brand__mark { color: var(--neon-cyan); }

.footer-brand__tag {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-mute);
}

.footer-coord {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--aqua-dim);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.footer-list--plain { gap: 14px; }

.footer-link {
  position: relative;
  display: inline-block;
  color: var(--slate-mute);
  text-decoration: none;
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--neon-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}

.footer-link:hover {
  color: var(--chalk-white);
  transform: translateX(3px);
}

.footer-link:hover::after { transform: scaleX(1); }

.footer-list--plain li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--aqua-dim);
}

.footer-val {
  color: var(--chalk-white);
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
}

/* ---- 底部备案 ---- */
.footer-bottom {
  border-top: 1px solid var(--grid-line);
  background: var(--deep-abyss);
}

.footer-bottom__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 26px;
  padding-block: 18px;
}

.footer-bottom__item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate-mute);
  line-height: 1.7;
}

.footer-bottom__note { color: var(--aqua-dim); }

/* ==========================================================================
   脚本注入组件
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 100%;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--neon-cyan) 0%, var(--lava-orange) 100%);
  transform: scaleX(0);
  transform-origin: left center;
}

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 80;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid var(--aqua-dim);
  border-radius: 50%;
  background: rgba(12, 34, 51, .92);
  color: var(--neon-cyan);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .24s var(--ease), transform .24s var(--ease),
              visibility .24s var(--ease), border-color .2s var(--ease);
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover { border-color: var(--neon-cyan); background: var(--inner-blue); }

/* 显现动效协议 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

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

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .site-nav__list { gap: 2px; }

  .nav-bar {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    padding-block: 8px;
  }

  .nav-bar__label {
    display: block;
    grid-column: 1;
    grid-row: 1;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .26em;
    text-transform: uppercase;
    color: var(--slate-mute);
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .32s var(--ease), opacity .24s var(--ease);
  }

  .site-nav[data-open] {
    max-height: 70vh;
    overflow-y: auto;
    opacity: 1;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px 0 14px;
  }

  .site-nav__link {
    padding: 14px 18px;
    border: 1px solid var(--grid-line);
    border-radius: var(--r-sm);
    background: rgba(18, 57, 90, .35);
    font-size: 16px;
  }

  .site-nav__link:hover { border-color: var(--aqua-dim); }
}

@media (max-width: 760px) {
  :root {
    --fz-lg: 21px;
    --fz-xl: 26px;
    --fz-2xl: 31px;
    --fz-3xl: 36px;
    --fz-4xl: 42px;
    --fz-5xl: 50px;
  }

  html { scroll-padding-top: 120px; }

  body::before {
    background-size: calc(100% / 4) 100%, 100% 64px;
    opacity: .42;
  }

  .masthead {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand brand"
      "left  right";
    row-gap: 12px;
    padding: 14px 0 8px;
  }

  .masthead__brand { grid-area: brand; justify-content: center; }
  .masthead__wing--left { grid-area: left; }
  .masthead__wing--right { grid-area: right; }

  .site-header[data-compact] .masthead { padding: 10px 0 8px; }
  .site-header[data-compact] .masthead__brand { justify-content: flex-start; }
  .site-header[data-compact] .brand { align-items: flex-start; }

  .brand__mark { font-size: 24px; }
  .brand__sub { letter-spacing: .22em; }

  .access-index { padding: 8px 13px; }
  .access-index__label { display: none; }

  .cta-pill { padding: 10px 16px; font-size: 12px; }
  .cta-pill--lg { padding: 13px 22px; font-size: 13px; }

  .footer-entry__inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-col--brand { grid-column: auto; }
  .footer-bottom__inner { flex-direction: column; align-items: flex-start; gap: 6px; }
}

@media (max-width: 420px) {
  .brand__mark { font-size: 21px; }
  .brand__sub { display: none; }
}

/* 宽屏下的呼吸感 */
@media (min-width: 1440px) {
  :root { --shell-max: 1340px; }
}

/* ---------- 动效降级 ---------- */
@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;
  }

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

  .to-top { transform: none; }
  .cta-pill:hover,
  .btn--primary:hover { transform: none; }
}