/* ==========================================================================
   盈嘉体育 · 共享外壳样式表  /assets/site.css
   夜场赛事指挥中心：深墨绿基底 + 电光青数据锚点 + 暖橙红赛程节点
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --c-ink-deep: #07120F;
  --c-ink: #0B1F1A;
  --c-glass: #132A2A;
  --c-silver: #C4CFD0;
  --c-bright: #F2F6F6;
  --c-cyan: #2BE3D5;
  --c-cyan-deep: #12A79E;
  --c-ember: #FF6A3D;
  --c-gold: #E0C77E;
  --c-mist: #7C8C8F;

  --line: rgba(18, 167, 158, .30);
  --line-soft: rgba(196, 207, 208, .13);
  --glass-fill: rgba(19, 42, 42, .62);

  --font-title: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "Roboto Mono", SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --header-h: 76px;
  --gutter: clamp(18px, 3.6vw, 52px);
  --maxw: 1340px;
  --radius: 4px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

@media (max-width: 760px) {
  :root { --header-h: 64px; }
}

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

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

body {
  margin: 0;
  background-color: var(--c-ink-deep);
  color: var(--c-silver);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  color: var(--c-bright);
  line-height: 1.16;
  letter-spacing: -.008em;
}

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0; padding: 0; }

a { color: inherit; }

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

button { font: inherit; color: inherit; }

::selection {
  background-color: rgba(43, 227, 213, .28);
  color: var(--c-bright);
}

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

#main-content { scroll-margin-top: calc(var(--header-h) + 16px); }

.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;
}

/* ---------- 3. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 220;
  padding: 11px 20px;
  background-color: var(--c-cyan);
  color: #04201C;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  border-radius: 3px;
  transform: translateY(-180%);
  transition: transform .22s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 4. 站点头部（透明叠加 → 实色阅读态） ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background-color: transparent;
  background-image: linear-gradient(180deg, rgba(7, 18, 15, .84) 0%, rgba(7, 18, 15, .34) 58%, rgba(7, 18, 15, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
}

.site-header[data-scrolled] {
  background-color: rgba(7, 18, 15, .95);
  background-image: none;
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
}

.header-shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.6vw, 42px);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--c-bright);
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-cyan-deep);
  border-radius: 50%;
  background-image: radial-gradient(circle at 50% 50%, rgba(43, 227, 213, .24), rgba(43, 227, 213, 0) 70%);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.brand-mark::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background-color: var(--c-cyan);
  box-shadow: 0 0 14px rgba(43, 227, 213, .7);
  transform: rotate(45deg);
}

.brand:hover .brand-mark {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(43, 227, 213, .08);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .04em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--c-cyan);
  opacity: .85;
}

/* 主导航 */
.primary-nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1.3vw, 20px);
  list-style: none;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 4px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--c-silver);
  text-decoration: none;
  transition: color .22s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 5px;
  height: 1px;
  background-color: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .26s var(--ease);
}

.nav-link:hover { color: var(--c-bright); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link[aria-current="page"] {
  color: var(--c-bright);
  font-weight: 700;
}
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

/* 头部动作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  margin-left: clamp(10px, 2vw, 28px);
}

.header-cta { padding: 11px 20px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  background-color: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--c-silver);
  cursor: pointer;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.nav-toggle:hover { border-color: var(--c-cyan); color: var(--c-bright); }

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  transition: background-color .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  transition: transform .24s var(--ease), top .24s 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 { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

/* 阅读进度条 */
.scroll-meter {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  overflow: hidden;
  background-color: rgba(196, 207, 208, .08);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
.site-header[data-scrolled] .scroll-meter { opacity: 1; }

.scroll-meter-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background-image: linear-gradient(90deg, var(--c-cyan-deep) 0%, var(--c-cyan) 62%, var(--c-ember) 100%);
}

/* ---------- 5. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.btn--primary {
  background-color: var(--c-cyan);
  color: #04201C;
}
.btn--primary:hover {
  background-color: var(--c-bright);
  box-shadow: 0 0 0 1px rgba(43, 227, 213, .55), 0 14px 34px -18px rgba(43, 227, 213, .95);
}

.btn--ghost {
  background-color: transparent;
  color: var(--c-bright);
  border-color: var(--line);
}
.btn--ghost:hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

.btn--quiet {
  background-color: var(--c-glass);
  color: var(--c-silver);
  border-color: var(--line-soft);
}
.btn--quiet:hover {
  color: var(--c-bright);
  border-color: var(--c-cyan-deep);
}

/* ---------- 6. 布局基座 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: 880px; }

.page-main {
  padding-top: calc(var(--header-h) + clamp(30px, 5vw, 76px));
  padding-bottom: clamp(56px, 8vw, 120px);
}

.section { padding: clamp(46px, 7vw, 104px) 0; }
.section--ruled { border-top: 1px solid var(--line-soft); }

.section-head {
  display: grid;
  gap: 14px;
  max-width: 72ch;
  margin-bottom: clamp(26px, 4vw, 52px);
}

/* 非对称双栏：左窄栏 + 右宽区 */
.rail-layout {
  display: grid;
  grid-template-columns: minmax(220px, 3fr) minmax(0, 9fr);
  gap: clamp(26px, 4vw, 72px);
  align-items: start;
}
.rail {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  align-self: start;
}
@media (max-width: 1000px) {
  .rail-layout { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; }
}

/* 栅格 */
.grid { display: grid; gap: clamp(18px, 2.4vw, 32px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1020px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px)  { .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 7. 排版与文本组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .26em;
  color: var(--c-cyan);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background-color: var(--c-cyan);
  opacity: .8;
}

.section-title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 4.2vw, 48px);
  line-height: 1.14;
  color: var(--c-bright);
  margin: 0;
  text-wrap: balance;
}

.lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.72;
  color: var(--c-silver);
}

.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.35em; }
.prose h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 2.1em 0 .7em;
  line-height: 1.3;
}
.prose h3 {
  font-size: 19px;
  color: var(--c-bright);
  margin: 1.7em 0 .5em;
}
.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 1.25em; }
.prose li { margin-bottom: .5em; }
.prose a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(43, 227, 213, .42);
  text-underline-offset: 3px;
}
.prose a:hover { text-decoration-color: var(--c-cyan); }
.prose strong { color: var(--c-bright); font-weight: 700; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--c-cyan-deep);
  color: var(--c-bright);
  font-size: 18px;
}

.num, .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}
.num { color: var(--c-cyan); font-weight: 700; }

/* 面包屑 */
.breadcrumb { margin: 0 0 clamp(20px, 3vw, 34px); }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-mist);
}
.breadcrumb-list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb-list li + li::before { content: "/"; color: var(--c-cyan-deep); }
.breadcrumb-list a { color: var(--c-silver); text-decoration: none; }
.breadcrumb-list a:hover { color: var(--c-cyan); }
.breadcrumb-list [aria-current="page"] { color: var(--c-bright); }

/* ---------- 8. 面板与玻璃层 ---------- */
.glass {
  background-color: var(--glass-fill);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px);
  background-color: var(--c-ink);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.panel--accent {
  border-color: var(--line);
  box-shadow: inset 0 0 0 1px rgba(43, 227, 213, .06);
}

/* ---------- 9. 图片容器基础规则 ---------- */
.media-figure {
  margin: 0;
  display: grid;
  gap: 12px;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background-color: var(--c-glass);
  background-image: linear-gradient(135deg, rgba(19, 42, 42, .95) 0%, rgba(7, 18, 15, .95) 62%);
  aspect-ratio: 16 / 10;
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(180deg, rgba(7, 18, 15, 0) 46%, rgba(7, 18, 15, .74) 100%);
}

.media-frame--clean::after { display: none; }
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 10. 标记与徽标 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
  background-color: rgba(43, 227, 213, .06);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.tag--warn {
  color: var(--c-ember);
  border-color: rgba(255, 106, 61, .45);
  background-color: rgba(255, 106, 61, .08);
}

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

.tag--gold {
  color: var(--c-gold);
  border-color: rgba(224, 199, 126, .40);
  background-color: rgba(224, 199, 126, .07);
}

/* ---------- 11. 显现动效 ---------- */
[data-js] [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
[data-js] [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 12. 站点页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(50px, 7vw, 96px) 0 0;
  background-color: var(--c-ink-deep);
  border-top: 1px solid var(--line);
  color: var(--c-silver);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--c-cyan) 0%, rgba(18, 167, 158, 0) 46%, var(--c-ember) 100%);
  opacity: .75;
}

.footer-glow {
  position: absolute;
  top: -42%;
  right: -12%;
  width: 62vw;
  height: 62vw;
  pointer-events: none;
  background-image: radial-gradient(circle at 50% 50%, rgba(43, 227, 213, .09), rgba(43, 227, 213, 0) 64%);
}

.footer-shell {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(42px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 64px);
}

.site-footer p { margin: 0; }

.footer-wordmark {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: .05em;
  color: var(--c-bright);
}

.footer-statement {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-silver);
}

.footer-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 26px;
  padding-top: 18px;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}
.footer-stats li { display: flex; align-items: baseline; gap: 8px; }
.footer-stats b { font-size: 22px; line-height: 1; }
.footer-stats span { font-size: 13px; color: var(--c-mist); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-col-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--c-mist);
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 11px;
}
.footer-links a {
  font-size: 15px;
  color: var(--c-silver);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.footer-links a:hover { color: var(--c-cyan); }

.footer-contact-list {
  list-style: none;
  display: grid;
  gap: 15px;
}
.footer-contact-list li { display: grid; gap: 3px; }

.kv {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-mist);
}
.vv {
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-bright);
  word-break: break-word;
}

.footer-note {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

.footer-base {
  position: relative;
  background-color: rgba(19, 42, 42, .38);
  border-top: 1px solid var(--line-soft);
}

.footer-base-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter) 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  font-size: 13px;
  color: var(--c-mist);
}

.footer-copy { font-family: var(--font-mono); letter-spacing: .06em; }
.footer-icp { font-family: var(--font-mono); letter-spacing: .06em; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  margin-left: auto;
}
.footer-legal a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.footer-legal a:hover { color: var(--c-cyan); }

/* ---------- 13. 头部响应式 ---------- */
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin-left: 0;
    padding: 10px var(--gutter) 26px;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background-color: #07120F;
    background-image: linear-gradient(180deg, rgba(19, 42, 42, .88) 0%, rgba(7, 18, 15, .98) 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 34px 64px -34px rgba(0, 0, 0, .95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
  }

  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

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

  .nav-item { border-bottom: 1px solid var(--line-soft); }
  .nav-item:last-child { border-bottom: 0; }

  .nav-link {
    display: block;
    padding: 15px 2px;
    font-size: 17px;
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { color: var(--c-cyan); }
  .nav-link[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 10px;
    vertical-align: middle;
    background-color: var(--c-cyan);
  }
}

@media (max-width: 560px) {
  .brand-sub { display: none; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: 18px; }
  .header-cta { padding: 10px 14px; font-size: 13px; letter-spacing: .03em; }
  .header-actions { gap: 8px; margin-left: 8px; }
}

/* ---------- 14. 页脚响应式 ---------- */
@media (max-width: 1020px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-statement { max-width: 52ch; }
}

@media (max-width: 700px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-legal { margin-left: 0; }
}

@media (max-width: 420px) {
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 15. 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;
  }

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

  .scroll-meter-bar { transition: none; }
}