/* ============================================================
   米博体育 / league-mibo.com.cn
   共享样式：reset · 变量 · 中文排版 · 框架页头 · 四栏页脚
   通用按钮 · 面包屑 · 容器 · 网格 · 基础组件
   ============================================================ */

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

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

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

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

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

button { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- 变量 ---------- */
:root {
  /* 品牌色 */
  --ink: #0C1F1A;
  --char: #101314;
  --moss: #1E3B31;
  --cyan: #35E6C4;
  --orange: #FF6B33;
  --cold: #8FA39D;
  --paper: #F3EDE2;
  --rock: #454C49;
  --clay: #B26A45;
  --deep: #14776B;

  /* 派生 */
  --line: rgba(143, 163, 157, 0.26);
  --line-strong: rgba(143, 163, 157, 0.52);
  --cyan-soft: rgba(53, 230, 196, 0.10);
  --orange-soft: rgba(255, 107, 51, 0.12);

  /* 字体 */
  --font-display: "Barlow Condensed", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
  --font-body: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 尺度 */
  --gutter: clamp(16px, 4vw, 44px);
  --maxw: 1240px;
  --head-top: 45px;
  --head-nav: 59px;
  --header-h: 104px;
  --radius: 2px;
}

/* ---------- 中文排版基线 ---------- */
body {
  min-height: 100vh;
  padding-top: var(--header-h);
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 夜间球场：极淡扫描线 + 顶部灯光渐晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(53, 230, 196, 0.026) 0 1px, transparent 1px 3px),
    radial-gradient(130% 78% at 50% -12%, rgba(53, 230, 196, 0.10), transparent 62%);
}

body > * { position: relative; z-index: 1; }

p, li {
  max-width: 68ch;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-stretch: condensed;
  text-wrap: balance;
}

strong, b { font-weight: 700; color: var(--paper); }

::selection {
  background: var(--cyan);
  color: var(--char);
}

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

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

/* ---------- 通用工具 ---------- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.02em;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  top: -72px;
  left: 16px;
  z-index: 300;
  padding: 10px 20px;
  background: var(--orange);
  color: #16100C;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top 0.18s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 12px;
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

/* ============================================================
   框架式页头
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  background: linear-gradient(180deg, rgba(12, 31, 26, 0.985), rgba(12, 31, 26, 0.93));
  border-bottom: 1px solid var(--rock);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-header.is-stuck {
  border-bottom-color: var(--line-strong);
  box-shadow: 0 14px 34px -22px rgba(0, 0, 0, 0.95);
}

.site-header__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.frame-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
}

.frame-bar--top {
  height: var(--head-top);
  border-bottom: 1px solid var(--line);
}

.frame-bar--nav {
  position: relative;
  height: var(--head-nav);
  border-bottom: 1px solid var(--line);
}

/* 品牌字标 */
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--paper);
  flex: 0 0 auto;
}

.brand-mark__glyph {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
  border-radius: var(--radius);
  transform: skewX(-6deg);
  transition: background 0.2s ease;
}

.brand-mark:hover .brand-mark__glyph { background: var(--orange); }

.brand-mark__text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* 当前栏目 */
.frame-bar__section {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  max-width: none;
  font-size: 13px;
  color: var(--cold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.frame-bar__cn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.frame-bar__now {
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.frame-bar__icp {
  max-width: none;
  font-size: 11px;
  color: var(--rock);
  white-space: nowrap;
  flex: 0 0 auto;
}

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 6px 4px;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  color: var(--paper);
  cursor: pointer;
  flex: 0 0 auto;
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

/* 编号式导航 */
.site-nav { min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.5vw, 26px);
  flex-wrap: nowrap;
}

.site-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 2px 7px;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.site-nav__num {
  font-size: 11px;
  color: var(--rock);
  letter-spacing: 0.08em;
  transition: color 0.18s ease;
}

.site-nav__link:hover { color: var(--cyan); }
.site-nav__link:hover .site-nav__num { color: var(--cyan); }

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

.site-nav__link[aria-current="page"] .site-nav__num { color: var(--orange); }

/* 页头短行动链 */
.frame-bar__cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.cta-link {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--cold);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.cta-link:hover {
  color: var(--paper);
  border-bottom-color: var(--line-strong);
}

.cta-link--accent {
  color: var(--orange);
  border-bottom-color: rgba(255, 107, 51, 0.45);
}

.cta-link--accent:hover {
  color: #FF8C5F;
  border-bottom-color: var(--orange);
}

/* 滚动进度线 */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 0.08s linear;
}

/* ============================================================
   页面级通用版式
   ============================================================ */
.band {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
}

.band--char { background: var(--char); }
.band--moss { background: var(--moss); }
.band--paper { background: var(--paper); color: var(--char); }
.band--paper h2, .band--paper h3 { color: var(--char); }
.band--paper .eyebrow { color: var(--deep); }

.page-head { padding-block: clamp(36px, 5vw, 72px) clamp(28px, 4vw, 56px); }

.page-head__title {
  font-size: clamp(38px, 6.4vw, 76px);
  margin-bottom: 18px;
}

.page-head__lead {
  max-width: 60ch;
  font-size: 17px;
  color: var(--cold);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.chapter-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1;
  color: var(--clay);
  margin-bottom: 10px;
}

/* 面包屑 */
.crumbs {
  border-bottom: 1px solid var(--line);
  padding-block: 12px;
  font-size: 13px;
  color: var(--cold);
}

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: none;
}

.crumbs__list li { display: inline-flex; align-items: center; gap: 8px; max-width: none; }

.crumbs__list li + li::before {
  content: "/";
  color: var(--rock);
}

.crumbs a {
  color: var(--cold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.crumbs a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.crumbs [aria-current="page"] { color: var(--paper); }

/* 网格 */
.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
}

.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--4-8 { grid-template-columns: 4fr 8fr; }
.grid--cards { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* 面板与纸卡 */
.panel {
  background: var(--moss);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
}

.paper {
  position: relative;
  background: var(--paper);
  color: var(--char);
  border: 1px solid var(--rock);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
  box-shadow: 5px 5px 0 rgba(69, 76, 73, 0.32);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.paper h2, .paper h3, .paper h4 { color: var(--char); }
.paper p { color: #2A302E; }

.paper::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  background: linear-gradient(225deg, var(--clay) 50%, transparent 50%);
  border-top: 1px solid var(--rock);
  border-right: 1px solid var(--rock);
}

.paper--stack {
  box-shadow:
    5px 5px 0 rgba(69, 76, 73, 0.32),
    10px 10px 0 rgba(69, 76, 73, 0.14);
}

.paper:hover {
  transform: translateY(-2px);
  box-shadow: 5px 7px 0 rgba(69, 76, 73, 0.40);
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--cyan);
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.tag--orange { color: var(--orange); }

/* 数据块 */
.stat { display: block; }

.stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.stat__num--orange { color: var(--orange); }

.stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cold);
}

/* 紧凑数据表 */
.datum {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.datum caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cold);
}

.datum th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cold);
  background: var(--char);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.datum td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.datum td.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.datum tbody tr { transition: background 0.16s ease; }
.datum tbody tr:hover { background: var(--cyan-soft); }

.band--paper .datum th { background: var(--char); color: var(--paper); }
.band--paper .datum td { border-bottom-color: rgba(69, 76, 73, 0.35); }
.band--paper .datum tbody tr:hover { background: rgba(20, 119, 107, 0.10); }

/* 索引条 */
.index-rail {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-size: 13px;
  color: var(--cold);
}

.index-rail a {
  display: block;
  padding: 5px 0;
  color: var(--cold);
  text-decoration: none;
  transition: color 0.18s ease;
}

.index-rail a:hover { color: var(--cyan); }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #16100C;
}

.btn--primary:hover {
  background: #FF8155;
  border-color: #FF8155;
  color: #16100C;
}

.btn--ghost {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}

.btn--ghost:hover {
  background: #12897C;
  border-color: #12897C;
  color: var(--paper);
}

/* 图片容器基础规则 */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background-image: linear-gradient(155deg, var(--moss), var(--char));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.media::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.media--wide::before { padding-top: 42%; }
.media--tall::before { padding-top: 125%; }
.media--square::before { padding-top: 100%; }

.media > img,
.media > svg,
.media > picture,
.media > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--cold);
  background-image: linear-gradient(transparent, rgba(16, 19, 20, 0.88));
}

/* 显现 */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   四栏页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 120px);
  padding-bottom: clamp(56px, 8vw, 112px);
  background: var(--char);
  color: var(--paper);
}

.site-footer__rule {
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan), rgba(53, 230, 196, 0.22) 58%, transparent);
}

.site-footer__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(48px, 6vw, 84px) var(--gutter) 0;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.25fr 1fr;
  gap: clamp(26px, 4vw, 52px);
}

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

.foot-brand {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--paper);
  margin-bottom: 14px;
}

.foot-desc {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cold);
}

.foot-stat {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.foot-title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cold);
  border-bottom: 1px solid var(--line);
}

.foot-list { display: grid; gap: 9px; }
.foot-list li { max-width: none; font-size: 14px; color: var(--cold); }

.foot-list a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.foot-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.foot-list--contact li { line-height: 1.65; word-break: break-word; }

.foot-note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 12px;
  line-height: 1.75;
  color: var(--rock);
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.foot-copy {
  max-width: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cold);
}

.foot-copy--muted { color: var(--rock); }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 180;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  background: var(--char);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease, border-color 0.2s ease;
}

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

.to-top:hover { border-color: var(--cyan); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  .site-nav__link { font-size: 14px; }
  .frame-bar__cta { gap: 12px; }
  .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .foot-col--brand { grid-column: 1 / -1; }
  .foot-desc, .foot-note { max-width: 52ch; }
}

@media (max-width: 960px) {
  :root {
    --head-top: 43px;
    --head-nav: 53px;
    --header-h: 97px;
  }

  .grid--7-5,
  .grid--4-8 { grid-template-columns: 1fr; }

  .frame-bar__icp { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 5;
    max-height: 72vh;
    overflow-y: auto;
    padding: 10px var(--gutter) 22px;
    background: var(--char);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 24px 48px -30px rgba(0, 0, 0, 0.95);
  }

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

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

  .site-nav__item {
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav__link {
    display: flex;
    justify-content: flex-start;
    gap: 14px;
    padding: 14px 2px;
    font-size: 17px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding-left: 12px;
  }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--orange);
    color: var(--cyan);
    background: var(--cyan-soft);
  }

  .site-nav__num { font-size: 12px; width: 22px; }

  .frame-bar__cta { gap: 12px; }
  .cta-link { font-size: 12px; letter-spacing: 0.04em; }

  .index-rail {
    position: static;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 12px 0 0;
  }
}

@media (max-width: 720px) {
  body { font-size: 16px; }

  .frame-bar__section .frame-bar__cn { display: none; }
  .frame-bar__section { font-size: 12px; }

  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .foot-col--brand { grid-column: auto; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
  .page-head__lead { font-size: 16px; }
  .datum { font-size: 14px; }
  .datum th, .datum td { padding: 9px 8px; }
}

@media (max-width: 460px) {
  .brand-mark__text { font-size: 16px; letter-spacing: 0.04em; }
  .cta-link--accent { display: none; }
  .to-top { width: 42px; height: 42px; }
}

/* ---------- 减少动效 ---------- */
@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;
  }

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

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