/* ==========================================================================
   /assets/site.css — 利来赛事 共享层
   高原夜空深蓝 + 雪峰冷白 + 利来橙红 + 经幡五色
   ========================================================================== */

:root {
  --ink-blue: #0B1B33;
  --snow: #F4F7FA;
  --deep-green: #0E2E2B;
  --indigo: #2B1B3A;
  --orange: #F05A28;
  --orange-soft: #F07A50;
  --flag-blue: #2E7DD1;
  --flag-red: #C8342F;
  --flag-green: #1F6B45;
  --flag-yellow: #E2B33C;
  --grid-blue: #8FA3B8;
  --body-ink: #1D2733;
  --body-soft: #3A4757;

  --line-dark: rgba(143, 163, 184, 0.34);
  --line-light: rgba(29, 39, 51, 0.12);

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

  --shell-max: 1360px;
  --page-max: 1180px;

  --ease-out: cubic-bezier(0.22, 0.8, 0.2, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--body-ink);
  background-color: var(--snow);
  background-image:
    linear-gradient(180deg, rgba(143, 163, 184, 0.10) 0 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 184, 0.10) 0 1px, transparent 1px);
  background-size: 88px 88px, 88px 88px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; border-style: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }

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

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

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink-blue);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.4vw, 4.5rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 1.9vw, 1.5rem); }
h4 { font-size: 1.0625rem; letter-spacing: 0; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--orange); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.num,
[data-num] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 300;
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--ink-blue);
  font-family: var(--font-display);
  font-weight: 800;
  text-decoration: none;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus,
.skip-link:focus-visible { top: 14px; }

/* ---------- 页头：悬浮胶囊浮岛 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: clamp(10px, 1.6vw, 18px) clamp(12px, 2.4vw, 32px) 0;
  background: linear-gradient(
    180deg,
    rgba(11, 27, 51, 0.97) 0%,
    rgba(11, 27, 51, 0.86) 58%,
    rgba(11, 27, 51, 0) 100%
  );
}

.header-shell {
  position: relative;
  max-width: var(--shell-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  padding: 8px 10px 8px clamp(14px, 2vw, 22px);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(14, 46, 43, 0.92);
  box-shadow: 0 20px 44px -28px rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(14px) saturate(1.25);
  backdrop-filter: blur(14px) saturate(1.25);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--snow);
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(150deg, var(--orange) 0%, var(--flag-red) 78%);
  color: var(--ink-blue);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.15;
  color: var(--snow);
}

.brand__desc {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1.3;
  color: rgba(244, 247, 250, 0.6);
  white-space: nowrap;
}

.brand--footer .brand__mark { width: 42px; height: 42px; font-size: 21px; }
.brand--footer .brand__name { font-size: 18px; }

/* 导航 */
.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__item { display: block; }

.site-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 13px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  color: rgba(244, 247, 250, 0.82);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  opacity: 0.55;
}

.site-nav__link:hover {
  background: rgba(143, 163, 184, 0.18);
  color: #ffffff;
}

.site-nav__link[aria-current="page"] {
  background: var(--orange);
  color: var(--ink-blue);
  font-weight: 800;
}

.site-nav__link[aria-current="page"] .site-nav__num { opacity: 0.72; }

.site-nav__cta { display: none; }

/* CTA */
.header-cta { justify-self: end; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45em;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: none;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--outline {
  border-color: rgba(240, 90, 40, 0.78);
  color: var(--orange);
  background: rgba(240, 90, 40, 0.08);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-blue);
}

.btn--solid {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-blue);
}
.btn--solid:hover,
.btn--solid:focus-visible { background: var(--orange-soft); border-color: var(--orange-soft); }

.btn--quiet {
  border-color: rgba(143, 163, 184, 0.5);
  color: var(--snow);
  background: rgba(244, 247, 250, 0.06);
}
.btn--quiet:hover,
.btn--quiet:focus-visible { background: rgba(244, 247, 250, 0.16); border-color: var(--grid-blue); }

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border: 1px solid rgba(143, 163, 184, 0.45);
  border-radius: 999px;
  background: rgba(244, 247, 250, 0.08);
  color: var(--snow);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.nav-toggle__glyph {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 11px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease-out), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }

.nav-toggle__label { display: inline-block; }

/* 进度条 */
.header-progress {
  max-width: var(--shell-max);
  height: 2px;
  margin: 8px auto 0;
  border-radius: 2px;
  background: rgba(143, 163, 184, 0.22);
  overflow: hidden;
}

.header-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--flag-blue) 0%, var(--orange) 78%);
  transition: width 0.12s linear;
}

/* 遮罩 */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(6, 14, 26, 0.66);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}

.nav-scrim[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0s;
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--line-dark);
  background:
    linear-gradient(180deg, var(--ink-blue) 0%, var(--deep-green) 100%);
  color: rgba(244, 247, 250, 0.78);
}

.footer-shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 72px) clamp(18px, 4vw, 48px) clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

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

.footer-brand__line {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 247, 250, 0.66);
}

.footer-brand__meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 250, 0.5);
}

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

.footer-col__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--flag-yellow);
}

.footer-col__list {
  display: grid;
  gap: 9px;
}

.footer-link {
  display: inline-block;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(244, 247, 250, 0.8);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: #ffffff;
  border-bottom-color: var(--orange);
}

.footer-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 247, 250, 0.8);
  word-break: break-word;
}

.footer-text__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(143, 163, 184, 0.9);
}

.footer-track {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px) 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.footer-chip {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 2px;
  background: rgba(143, 163, 184, 0.28);
  color: rgba(244, 247, 250, 0.9);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.5;
}

.footer-chip--blue { background: var(--flag-blue); color: #ffffff; }
.footer-chip--white { background: var(--snow); color: var(--ink-blue); }
.footer-chip--red { background: var(--flag-red); color: #ffffff; }
.footer-chip--green { background: var(--flag-green); color: #ffffff; }
.footer-chip--yellow { background: var(--flag-yellow); color: var(--ink-blue); }

.footer-base {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 18px clamp(18px, 4vw, 48px) 30px;
  border-top: 1px solid rgba(143, 163, 184, 0.2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 13px;
  color: rgba(244, 247, 250, 0.55);
}

.footer-base__note { margin: 0; max-width: 62ch; }

.footer-base__icp {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

/* ---------- 页面容器 ---------- */
.container {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}

.container--wide { max-width: var(--shell-max); }

.section { padding: clamp(48px, 7vw, 96px) 0; }
.section--tight { padding: clamp(26px, 4vw, 48px) 0; }

.rule {
  height: 1px;
  margin: clamp(24px, 4vw, 40px) 0;
  border: 0;
  background: var(--line-light);
}

/* ---------- 文本层 ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  line-height: 1.5;
  color: var(--orange);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
}

.lead {
  max-width: 62ch;
  font-size: clamp(16.5px, 1.5vw, 19px);
  line-height: 1.78;
  color: var(--body-soft);
}

.vnote {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  line-height: 1.4;
  color: var(--grid-blue);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* 深色分区 */
.surface-dark,
.surface-deep {
  color: rgba(244, 247, 250, 0.86);
  background-image:
    linear-gradient(180deg, rgba(143, 163, 184, 0.09) 0 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 184, 0.09) 0 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
}

.surface-dark { background-color: var(--ink-blue); }
.surface-deep { background-color: var(--deep-green); }

.surface-dark h1, .surface-dark h2, .surface-dark h3, .surface-dark h4,
.surface-deep h1, .surface-deep h2, .surface-deep h3, .surface-deep h4 { color: var(--snow); }

.surface-dark .lead, .surface-deep .lead { color: rgba(244, 247, 250, 0.75); }

.on-dark { color: rgba(244, 247, 250, 0.9); }
.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--snow); }
.on-dark .lead { color: rgba(244, 247, 250, 0.75); }

/* ---------- 面包屑 ---------- */
.breadcrumb { margin: 0 0 24px; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }

.breadcrumb__link {
  color: var(--grid-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}
.breadcrumb__link:hover,
.breadcrumb__link:focus-visible { color: var(--orange); }

.breadcrumb__sep { color: rgba(143, 163, 184, 0.6); }

.breadcrumb__item[aria-current="page"] { color: var(--body-ink); }

/* ---------- 栅格 ---------- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  align-items: start;
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); }

/* ---------- 面板 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--grid-blue);
  border-radius: 2px;
  background: #ffffff;
}

.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-blue);
}

.panel__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grid-blue);
  white-space: nowrap;
}

/* ---------- 标签（经幡五色分类系统） ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 2px;
  background: rgba(143, 163, 184, 0.22);
  color: var(--body-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
}

.tag--blue { background: var(--flag-blue); color: #ffffff; }
.tag--red { background: var(--flag-red); color: #ffffff; }
.tag--green { background: var(--flag-green); color: #ffffff; }
.tag--yellow { background: var(--flag-yellow); color: var(--ink-blue); }
.tag--orange { background: var(--orange); color: var(--ink-blue); }

/* ---------- 数据 ---------- */
.stat { margin: 0; }

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-blue);
}

.stat__label {
  display: block;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grid-blue);
}

/* ---------- 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 2px;
  background-color: var(--ink-blue);
  background-image:
    linear-gradient(135deg, rgba(46, 125, 209, 0.42) 0%, rgba(11, 27, 51, 0.92) 62%),
    repeating-linear-gradient(0deg, rgba(143, 163, 184, 0.26) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(143, 163, 184, 0.26) 0 1px, transparent 1px 26px);
}

.media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 14px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(244, 247, 250, 0.92);
  background: linear-gradient(0deg, rgba(11, 27, 51, 0.94) 0%, rgba(11, 27, 51, 0) 100%);
}

.media__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 8px;
  border-radius: 2px;
  background: var(--orange);
  color: var(--ink-blue);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.5;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

/* ---------- 显现动效协议 ---------- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s var(--ease-out);
}

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

/* ---------- 平板 ---------- */
@media (max-width: 1100px) {
  .site-nav__link { padding: 8px 10px; font-size: 14px; }
  .brand__desc { display: none; }
  .footer-shell { grid-template-columns: 1fr 1fr; }
}

/* ---------- 移动 / 抽屉 ---------- */
@media (max-width: 980px) {
  html { scroll-padding-top: 92px; }

  .header-shell {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px 8px 14px;
  }

  .nav-toggle { display: inline-flex; justify-self: end; }
  .header-cta { display: none; }

  .site-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    z-index: 95;
    display: block;
    justify-self: stretch;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding: 14px;
    border: 1px solid rgba(143, 163, 184, 0.42);
    border-radius: 22px;
    background: rgba(11, 27, 51, 0.98);
    box-shadow: 0 -22px 60px -18px rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    visibility: hidden;
    transform: translateY(calc(100% + 48px));
    transition: transform 0.34s var(--ease-out), visibility 0s linear 0.34s;
  }

  .site-nav[data-open="true"] {
    visibility: visible;
    transform: translateY(0);
    transition: transform 0.34s var(--ease-out), visibility 0s;
  }

  .site-nav__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  .site-nav__link {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
  }

  .site-nav__cta {
    display: inline-flex;
    width: 100%;
    margin-top: 10px;
  }

  .footer-shell {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-brand { grid-column: 1 / -1; }
  .footer-col--reach { grid-column: 1 / -1; }
}

@media (min-width: 981px) {
  .nav-scrim { display: none; }
}

/* ---------- 手机 ---------- */
@media (max-width: 620px) {
  body { font-size: 16px; }

  .brand__mark { width: 34px; height: 34px; font-size: 17px; }
  .brand__name { font-size: 15.5px; }

  .nav-toggle { padding: 8px 13px; font-size: 13px; }
  .nav-toggle__label { display: none; }

  .site-nav__list { grid-template-columns: 1fr; }

  .footer-shell { grid-template-columns: 1fr; gap: 26px; }
  .footer-col--reach { grid-column: auto; }

  .footer-base { flex-direction: column; align-items: flex-start; }

  .breadcrumb__list { font-size: 11px; }
}

/* ---------- 减少动态 ---------- */
@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;
    transition-delay: 0s !important;
  }

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