/* ============================================================
   千亿球友会站 · 共享样式 /assets/site.css
   墨绿手账体系：深底、暖纸文字、琥珀行动、草线分隔
   ============================================================ */

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

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

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

ul, ol { padding: 0; list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; }

a { color: inherit; }

:where(button, [type="button"], summary) { cursor: pointer; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-950: #04100C;
  --ink-900: #071A14;
  --ink-800: #0D2A20;
  --ink-700: #143B2D;

  --paper: #F4EEDF;
  --paper-dim: #D9D1BE;

  --amber: #F2A93B;
  --amber-300: #FFD27A;
  --line: #9BE3C6;
  --moss: #6E8F7F;

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

  --shell-w: 1440px;
  --gutter: clamp(1rem, 4vw, 3.5rem);

  --r-s: 6px;
  --r-m: 14px;
  --r-l: 28px;
  --r-xl: 44px;

  --edge: 1px solid rgba(155, 227, 198, 0.18);
  --edge-soft: 1px solid rgba(155, 227, 198, 0.11);
  --dash: 1px dashed rgba(155, 227, 198, 0.26);

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --z-header: 120;
  --progress: 0;
}

/* ---------- 3. 基础排版 ---------- */
body {
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.012em;
}

p { text-wrap: pretty; }

strong { font-weight: 700; color: var(--amber-300); }

::selection {
  background: var(--amber);
  color: var(--ink-950);
}

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

.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--amber-300);
}

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--shell-w));
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.grid--editorial { grid-template-columns: repeat(16, minmax(0, 1fr)); }

.span-3 { grid-column: span 3; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-9 { grid-column: span 9; }

/* ---------- 5. 文字工具 ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--line);
}

.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 7vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
}

.lede {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.8;
  color: var(--paper-dim);
  max-width: 34ch;
}

.meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.hairline {
  height: 1px;
  width: 100%;
  background: rgba(155, 227, 198, 0.16);
  border: 0;
}

.court-rule {
  height: 0;
  width: 100%;
  border: 0;
  border-top: var(--dash);
}

/* ---------- 6. 按钮与票根 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease),
    color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.btn--amber {
  background: var(--amber);
  color: var(--ink-950);
}

.btn--amber:hover { background: var(--amber-300); transform: translateY(-2px); }

.btn--line {
  border-color: rgba(155, 227, 198, 0.45);
  color: var(--paper);
}

.btn--line:hover { border-color: var(--line); color: var(--line); transform: translateY(-2px); }

.ticket {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.5rem 0.95rem 0.5rem 1.4rem;
  border: 1px solid rgba(155, 227, 198, 0.35);
  border-radius: var(--r-s) var(--r-m) var(--r-m) var(--r-s);
  color: var(--paper);
  text-decoration: none;
  line-height: 1.15;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
    background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.ticket::before {
  content: "";
  position: absolute;
  left: 0.72rem;
  top: 50%;
  transform: translateY(-50%);
  height: 62%;
  border-left: 1px dashed currentColor;
  opacity: 0.5;
}

.ticket:hover {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: 0 12px 26px -18px rgba(0, 0, 0, 0.9);
}

.ticket__label {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.ticket__meta {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  opacity: 0.72;
  white-space: nowrap;
}

.ticket--solid {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-950);
}

.ticket--solid:hover {
  background: var(--amber-300);
  border-color: var(--amber-300);
}

/* ---------- 7. 页头 ---------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.4rem;
  z-index: 999;
  transform: translateY(-180%);
  background: var(--amber);
  color: var(--ink-950);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: transform 0.2s var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--ink-900);
  border-bottom: var(--edge);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--line));
  transform: scaleX(var(--progress));
  transform-origin: 0 50%;
  transition: transform 0.15s linear;
  pointer-events: none;
}

.site-header__rail {
  background: var(--ink-950);
  border-bottom: var(--edge-soft);
}

.rail {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-block: 0.42rem;
  overflow-x: auto;
  scrollbar-width: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.rail::-webkit-scrollbar { display: none; }

.rail__label {
  color: var(--moss);
  white-space: nowrap;
  letter-spacing: 0.2em;
}

.rail__steps {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.rail__step {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  white-space: nowrap;
  color: var(--paper-dim);
}

.rail__step:not(:first-child)::before {
  content: "›";
  color: var(--line);
  opacity: 0.85;
  margin-right: 0.12rem;
}

.rail__idx {
  color: var(--line);
  opacity: 0.6;
}

.rail__name { letter-spacing: 0.06em; }

.rail__step--here .rail__name {
  color: var(--amber);
  font-weight: 600;
}

.rail__step--here .rail__idx { color: var(--amber-300); opacity: 1; }

.rail__note {
  margin-left: auto;
  color: var(--moss);
  white-space: nowrap;
  letter-spacing: 0.08em;
}

.site-header__body { padding-block: 0.62rem; }

.masthead {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
  flex-wrap: nowrap;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  text-decoration: none;
  color: var(--paper);
  flex: 0 0 auto;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50% 50% 50% 10px;
  background: var(--amber);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: var(--moss);
  margin-top: 2px;
}

.brand:hover .brand__mark { background: var(--amber-300); }

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(155, 227, 198, 0.35);
  border-radius: 999px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

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

.nav-toggle__bars { display: block; width: 16px; }

.nav-toggle__bars span {
  display: block;
  height: 2px;
  margin: 2.5px 0;
  background: var(--amber);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle__label { line-height: 1; }

.site-header[data-open] .nav-toggle {
  border-color: var(--amber);
  background: rgba(242, 169, 59, 0.1);
}

.site-header[data-open] .nav-toggle__bars span:first-child { transform: translateY(3.5px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

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

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.4rem);
}

.primary-nav__item { display: block; }

.primary-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.34rem;
  padding: 0.35rem 0.05rem;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.primary-nav__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--line);
  opacity: 0.55;
}

.primary-nav__link:hover { color: var(--amber-300); border-bottom-color: var(--amber-300); }

.primary-nav__link[aria-current="page"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.primary-nav__link[aria-current="page"] .primary-nav__idx {
  color: var(--amber);
  opacity: 1;
}

/* 双入口 */
.masthead__actions {
  display: flex;
  gap: 0.5rem;
  margin-left: 0.6rem;
  flex: 0 0 auto;
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  margin-top: clamp(3.5rem, 9vw, 7rem);
  background: var(--ink-950);
  border-top: var(--edge);
  color: var(--paper);
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(1.75rem, 4vw, 4rem);
  padding-block: clamp(2.25rem, 5vw, 4rem) clamp(1.5rem, 3vw, 2.5rem);
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--line);
  margin-bottom: 1rem;
}

.footer__wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
}

.footer__tagline {
  font-size: 14.5px;
  color: var(--paper-dim);
  max-width: 26ch;
  margin-bottom: 0.9rem;
}

.footer__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.footer__col { min-width: 0; }

.footer__list {
  display: grid;
  gap: 0.55rem;
}

.footer__list--tight { gap: 0.15rem; margin-bottom: 1.1rem; }

.footer__link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.footer__link:hover { color: var(--amber); border-bottom-color: rgba(242, 169, 59, 0.6); }

.footer__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.6rem;
  padding-block: 0.5rem;
  border-bottom: var(--dash);
}

.footer__contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--moss);
  flex: 0 0 auto;
}

.footer__contact-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper-dim);
  flex: 1 1 12ch;
  min-width: 0;
  word-break: break-word;
}

.copy {
  flex: 0 0 auto;
  padding: 0.22rem 0.6rem;
  border: 1px solid rgba(155, 227, 198, 0.35);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--line);
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.copy:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-950);
}

.copy[data-copied] {
  background: var(--line);
  border-color: var(--line);
  color: var(--ink-950);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 1.1rem 1.4rem;
  border-top: var(--edge-soft);
}

.footer__fine,
.footer__legal {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

/* ---------- 9. 通用内容组件 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
  padding-block: 1.1rem 0;
}

.crumbs__link {
  color: var(--paper-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.crumbs__link:hover { color: var(--amber); border-bottom-color: rgba(242, 169, 59, 0.6); }

.crumbs__sep { color: var(--line); opacity: 0.6; }

.panel {
  background: var(--ink-700);
  border: var(--edge-soft);
  border-radius: var(--r-l) var(--r-l) var(--r-l) var(--r-s);
  padding: clamp(1.1rem, 2.4vw, 1.8rem);
  color: var(--paper);
}

.panel__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.62rem;
  border: 1px solid rgba(155, 227, 198, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--line);
}

.tag--amber {
  border-color: rgba(242, 169, 59, 0.55);
  color: var(--amber-300);
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--paper);
}

.prose > * + * { margin-top: 1.05em; }

.prose h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  margin-top: 2.2em;
  color: var(--paper);
}

.prose h3 {
  font-size: 1.15rem;
  margin-top: 1.8em;
  color: var(--amber-300);
}

.prose ul { list-style: none; padding-left: 0; }

.prose li {
  position: relative;
  padding-left: 1.15rem;
}

.prose li + li { margin-top: 0.45em; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--line);
}

.prose a {
  color: var(--amber-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 210, 122, 0.45);
}

.prose a:hover { border-bottom-color: var(--amber-300); }

.prose--paper {
  background: var(--paper);
  color: var(--ink-900);
  border-radius: var(--r-l) var(--r-l) var(--r-l) var(--r-s);
  padding: clamp(1.4rem, 3.5vw, 3rem);
  max-width: none;
}

.prose--paper h2,
.prose--paper h3 { color: var(--ink-900); }

.prose--paper a { color: var(--ink-700); border-bottom-color: rgba(20, 59, 45, 0.5); }

.prose--paper li::before { background: var(--ink-700); }

/* ---------- 10. 图片容器（页面阶段放图） ---------- */
.media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-radius: var(--r-xl) var(--r-xl) var(--r-xl) var(--r-m);
  background: var(--ink-800);
  border: var(--edge-soft);
}

.media--wide { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media--notch { border-radius: 0 var(--r-xl) var(--r-xl) var(--r-xl); }

.media--blob { border-radius: 48% 52% 44% 56% / 46% 44% 56% 54%; }

.media img,
.media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) brightness(0.9);
}

.media__ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background-color: var(--ink-800);
  background-image:
    repeating-linear-gradient(90deg, rgba(155, 227, 198, 0.14) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(155, 227, 198, 0.08) 0 1px, transparent 1px 46px);
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-align: center;
  padding: 1rem;
}

.media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
  margin-top: 0.55rem;
}

/* ---------- 11. 标签页 ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-bottom: 0.6rem;
  margin-bottom: 1.3rem;
  border-bottom: var(--dash);
}

.tab {
  padding: 0.45rem 0.95rem;
  border: 1px solid rgba(155, 227, 198, 0.28);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--paper-dim);
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.tab:hover { border-color: var(--line); color: var(--line); }

.tab[aria-selected="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-950);
  font-weight: 600;
}

.tabpanel { animation: tabIn 0.28s var(--ease) both; }
.tabpanel[hidden] { display: none; }

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

/* ---------- 12. 滚动显现 ---------- */
.reveal { transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1180px) {
  .primary-nav__list { gap: 0.7rem; }
  .primary-nav__link { font-size: 13px; }
  .ticket__meta { display: none; }
}

@media (max-width: 960px) {
  body { font-size: 16px; }

  .rail { font-size: 10.5px; gap: 0.6rem; }
  .rail__label,
  .rail__note { display: none; }

  .masthead {
    flex-wrap: wrap;
    row-gap: 0.55rem;
  }

  .brand { order: 1; }
  .nav-toggle { display: inline-flex; order: 2; margin-left: auto; }

  .masthead__actions {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 0.45rem;
  }

  .masthead__actions .ticket { flex: 1 1 0; }
  .masthead__actions .ticket__meta { display: block; }

  .primary-nav {
    order: 4;
    width: 100%;
    margin-left: 0;
    display: none;
    padding-top: 0.55rem;
    border-top: var(--dash);
  }

  .site-header[data-open] .primary-nav { display: block; }

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

  .primary-nav__link {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    gap: 0.55rem;
    padding: 0.72rem 0.15rem;
    font-size: 15px;
    border-bottom: 1px solid rgba(155, 227, 198, 0.12);
  }

  .primary-nav__item:last-child .primary-nav__link { border-bottom: 0; }

  .primary-nav__link[aria-current="page"] {
    border-bottom-color: rgba(155, 227, 198, 0.12);
    background: rgba(242, 169, 59, 0.08);
    padding-left: 0.55rem;
  }

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

  .footer__brand { grid-column: 1 / -1; }

  .span-3, .span-6, .span-7, .span-9 { grid-column: 1 / -1; }
  .grid--editorial { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  :root { --gutter: 1.05rem; --r-l: 20px; --r-xl: 28px; }

  .brand__sub { display: none; }
  .brand__name { font-size: 15.5px; }
  .brand__mark { width: 34px; height: 34px; font-size: 11px; }

  .ticket { padding: 0.48rem 0.7rem 0.48rem 1.2rem; }
  .ticket__label { font-size: 12.5px; }
  .ticket__meta { font-size: 9px; letter-spacing: 0.1em; }

  .footer__top { grid-template-columns: minmax(0, 1fr); gap: 1.6rem; }

  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 0.4rem; }

  .prose { font-size: 16px; }
  .lede { max-width: none; }
}

/* ---------- 14. 动效降级 ---------- */
@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;
    scroll-behavior: auto !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .ticket:hover,
  .btn:hover { transform: none; }
}