/* ============================================================
   天行体育 · 共享样式 /assets/site.css
   高原晨光竞技场 · 画册式连续画布 · 8° 斜切语言
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

/* ---------- 2. 变量 ---------- */
:root {
  --snow: #F7FAF8;
  --mist: #E7EEEA;
  --stone: #CBD8D1;
  --ink: #0C1A1D;
  --ink-72: rgba(12, 26, 29, 0.72);
  --ink-56: rgba(12, 26, 29, 0.56);
  --barley: #2E7D4F;
  --barley-lt: #63B584;
  --lake: #0C5F7C;
  --lake-lt: #2FA3C0;
  --rock: #E0651F;
  --rock-dk: #B84A10;
  --volt: #1FD1C0;
  --violet: #6A5AE0;

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --header-h: 86px;
  --slant: 8deg;
  --ease: cubic-bezier(0.32, 0.72, 0.3, 1);

  --gutter: 24px;
  --maxw: 1200px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  background-color: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
}

strong, b {
  font-weight: 700;
}

a {
  text-decoration: none;
}

::selection {
  background: var(--barley-lt);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 3px;
  border-radius: 1px;
}

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

.band {
  padding-block: clamp(48px, 7vw, 96px);
}

.bg-mist {
  background-color: var(--mist);
}

.bg-ink {
  background-color: var(--ink);
  color: var(--snow);
}

.bg-ink .prose,
.bg-ink .prose--tight {
  color: rgba(247, 250, 248, 0.78);
}

.stack > * + * {
  margin-top: var(--stack-gap, 16px);
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

/* ---------- 5. 标题阶梯与正文 ---------- */
.display {
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--ink);
}

.display--xl { font-size: clamp(40px, 7vw, 96px); }
.display--l  { font-size: clamp(34px, 5.2vw, 76px); }
.display--m  { font-size: clamp(28px, 3.6vw, 56px); }
.display--s  { font-size: clamp(24px, 2.6vw, 40px); }

.bg-ink .display {
  color: var(--snow);
}

.prose {
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.prose p + p {
  margin-top: 1.1em;
}

.prose--tight {
  max-width: 40em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-72);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--barley);
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--barley);
  transform: skewY(-8deg);
}

.bg-ink .eyebrow {
  color: var(--barley-lt);
}

.bg-ink .eyebrow::before {
  background: var(--volt);
}

.chapter-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--barley);
  font-variant-numeric: tabular-nums;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0;
}

.unit {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-56);
  margin-left: 2px;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
    border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn--primary {
  background-color: var(--rock-dk);
  color: #FFFFFF;
}

.btn--primary:hover {
  background-color: var(--rock);
  transform: translate(-3px, 0) skewY(-0.4deg);
}

.btn--ghost {
  background-color: transparent;
  border-color: var(--stone);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--lake);
  color: var(--lake);
  transform: translate(-3px, 0);
}

.bg-ink .btn--ghost {
  border-color: rgba(247, 250, 248, 0.3);
  color: var(--snow);
}

.bg-ink .btn--ghost:hover {
  border-color: var(--volt);
  color: var(--volt);
}

/* ---------- 7. 图片容器基础规则 ---------- */
.media {
  position: relative;
  overflow: hidden;
  display: block;
  background-color: var(--mist);
  border-radius: 2px;
}

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

.media--wide { aspect-ratio: 16 / 9; }
.media--band { aspect-ratio: 24 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media--cut {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 32px));
}

.media--track::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(12, 26, 29, 0.12) 0 1px,
    transparent 1px 22px
  );
  mix-blend-mode: multiply;
}

.media-figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.media-figure figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-72);
}

.bg-ink .media-figure figcaption {
  color: rgba(247, 250, 248, 0.7);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  font-size: 13px;
  color: var(--ink-72);
  padding-block: 18px 0;
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.crumbs a {
  color: var(--ink-72);
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.crumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 9. 记录列表（时间轴基础件） ---------- */
.log {
  display: grid;
  gap: 0;
}

.log-item {
  position: relative;
  padding: 18px 0 18px 26px;
  border-top: 1px solid var(--stone);
}

.log-item:first-child {
  border-top: 0;
}

.log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 12px;
  height: 2px;
  background: var(--barley);
  transform: skewY(-8deg);
}

.log-meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lake);
}

.log-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 4px 0 6px;
}

/* ---------- 10. 折叠面板 ---------- */
.disclosure {
  border-top: 1px solid var(--stone);
}

.disclosure:last-of-type {
  border-bottom: 1px solid var(--stone);
}

.disclosure-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.disclosure-toggle:hover {
  color: var(--lake);
}

.disclosure-toggle::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--lake);
  border-bottom: 2px solid var(--lake);
  transform: rotate(45deg);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.disclosure-toggle[aria-expanded="true"] {
  color: var(--barley);
}

.disclosure-toggle[aria-expanded="true"]::after {
  transform: rotate(225deg);
  border-color: var(--barley);
}

.disclosure-panel {
  padding: 0 0 20px;
}

.disclosure-panel[hidden] {
  display: none;
}

/* ---------- 11. 进入视口显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

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

/* ---------- 12. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background-color: var(--ink);
  color: var(--snow);
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  transition: top 0.18s var(--ease);
}

.skip-link:focus {
  top: 14px;
}

/* ---------- 13. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-color: rgba(247, 250, 248, 0.94);
  border-bottom: 1px solid var(--stone);
  backdrop-filter: saturate(140%) blur(8px);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--volt), var(--lake-lt) 55%, rgba(12, 95, 124, 0));
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 36px);
  min-height: var(--header-h);
  padding-block: 12px;
  transition: min-height 0.2s var(--ease), padding 0.2s var(--ease);
}

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

.brand-mark {
  position: relative;
  width: 18px;
  height: 24px;
  flex: 0 0 auto;
  background-color: var(--barley);
  transform: skewY(-8deg);
  transition: background-color 0.18s var(--ease);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background-color: var(--rock);
}

.brand:hover .brand-mark {
  background-color: var(--lake);
}

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

.brand-name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-sub {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-56);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.brand-ticks {
  width: 28px;
  height: 18px;
  flex: 0 0 auto;
  background-image: repeating-linear-gradient(
    to right,
    var(--stone) 0 1px,
    transparent 1px 6px
  );
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-72);
  letter-spacing: 0.02em;
  transition: color 0.18s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--barley);
  transform: scaleX(0) skewX(-8deg);
  transform-origin: 0 50%;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-list a:hover {
  color: var(--ink);
}

.nav-list a:hover::after {
  transform: scaleX(1) skewX(-8deg);
}

.nav-list a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1) skewX(-8deg);
  background-color: var(--rock);
}

.nav-quick,
.nav-quick-label {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.header-cta {
  white-space: nowrap;
}

.header-cta--mobile {
  display: none;
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  background-color: transparent;
  border: 1px solid var(--stone);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

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

.nav-toggle-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: currentColor;
  transition: transform 0.2s var(--ease);
}

.site-header[data-open="true"] .nav-toggle-bars span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.site-header[data-open="true"] .nav-toggle-bars span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.site-header[data-open="true"] {
  background-color: var(--snow);
}

/* 滚动收拢 */
.site-header[data-condensed="true"] .header-inner {
  min-height: 56px;
  padding-block: 5px;
}

.site-header[data-condensed="true"] .brand-sub {
  opacity: 0;
  transform: translateY(-4px);
}

.site-header[data-condensed="true"] .brand-ticks {
  opacity: 0.5;
}

html.nav-open {
  overflow: hidden;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  --footer-line: rgba(203, 216, 209, 0.22);
  margin-top: clamp(64px, 9vw, 120px);
  background-color: var(--ink);
  color: var(--snow);
}

.footer-rule {
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--volt) 0 8%,
    var(--lake-lt) 8% 26%,
    rgba(203, 216, 209, 0.16) 26% 100%
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: 0;
}

.footer-col {
  padding: clamp(28px, 4vw, 46px) clamp(16px, 2.4vw, 32px);
  border-left: 1px solid var(--footer-line);
}

.footer-col:first-child {
  border-left: 0;
  padding-left: 0;
}

.footer-col:last-child {
  padding-right: 0;
}

.footer-col--brand .brand {
  color: var(--snow);
}

.brand--footer .brand-name {
  color: var(--snow);
  font-size: 20px;
}

.brand--footer .brand-sub {
  color: rgba(247, 250, 248, 0.55);
}

.brand--footer .brand-mark {
  background-color: var(--barley-lt);
}

.footer-line {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 248, 0.78);
  max-width: 22em;
}

.footer-legal {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 250, 248, 0.45);
}

.footer-h {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--barley-lt);
  margin-bottom: 14px;
}

.footer-h::before {
  content: "";
  width: 14px;
  height: 2px;
  background-color: var(--volt);
  transform: skewY(-8deg);
}

.footer-list {
  display: grid;
  gap: 2px;
}

.footer-list a {
  display: inline-block;
  padding: 5px 0;
  font-size: 14.5px;
  color: rgba(247, 250, 248, 0.76);
  transition: color 0.18s var(--ease), transform 0.18s var(--ease);
}

.footer-list a:hover {
  color: var(--volt);
  transform: translateX(3px);
}

.footer-contact {
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 250, 248, 0.76);
}

.footer-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.footer-note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(247, 250, 248, 0.5);
  max-width: 30em;
}

.footer-base {
  position: relative;
  padding-block: 20px 30px;
}

.footer-base::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--volt) 0,
    var(--lake-lt) 42%,
    rgba(203, 216, 209, 0.18) 100%
  );
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
}

.footer-base-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(247, 250, 248, 0.55);
}

/* ---------- 15. 平板 ---------- */
@media (max-width: 1024px) {
  :root {
    --gutter: 20px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .footer-col:nth-child(4) {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--footer-line);
    padding-inline: 0;
  }
}

/* ---------- 16. 手机 / 移动导航 ---------- */
@media (max-width: 900px) {
  :root {
    --header-h: 64px;
  }

  html {
    scroll-padding-top: 72px;
  }

  .brand-ticks {
    display: none;
  }

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

  .header-cta {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 22px var(--gutter) 32px;
    background-color: var(--snow);
    border-top: 1px solid var(--stone);
    border-bottom: 1px solid var(--stone);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    box-shadow: 0 20px 44px rgba(12, 26, 29, 0.09);
  }

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

  .nav-quick-label {
    display: block;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--barley);
  }

  .nav-quick {
    display: grid;
    gap: 8px;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--stone);
  }

  .nav-quick a {
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    color: var(--lake);
    padding: 3px 0;
    transition: color 0.18s var(--ease), transform 0.18s var(--ease);
  }

  .nav-quick a:hover {
    color: var(--barley);
    transform: translateX(3px);
  }

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

  .nav-list a {
    display: block;
    padding: 14px 0;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--ink);
    border-bottom: 1px solid var(--stone);
  }

  .nav-list a::after {
    display: none;
  }

  .nav-list a[aria-current="page"] {
    color: var(--barley);
  }

  .nav-list a[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 2px;
    margin-right: 10px;
    vertical-align: 0.22em;
    background-color: var(--rock);
    transform: skewY(-8deg);
  }

  .header-cta--mobile {
    display: inline-flex;
    margin-top: 24px;
    width: 100%;
    min-height: 50px;
    font-size: 16px;
  }

  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .span-3 { grid-column: span 3; }
  .span-4 { grid-column: span 3; }
  .span-5,
  .span-6,
  .span-7,
  .span-8,
  .span-9,
  .span-12 { grid-column: span 6; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-col {
    border-left: 0;
    border-top: 1px solid var(--footer-line);
    padding-inline: 0;
    padding-block: 26px;
  }

  .footer-col:first-child,
  .footer-col:nth-child(4) {
    grid-column: 1 / -1;
    border-top: 1px solid var(--footer-line);
  }

  .footer-col:first-child {
    border-top: 0;
    padding-top: 30px;
  }

  .footer-note {
    max-width: none;
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 16px;
  }

  .span-3,
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8,
  .span-9,
  .span-12 {
    grid-column: span 6;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-col,
  .footer-col:first-child,
  .footer-col:nth-child(4) {
    grid-column: auto;
    padding-block: 22px;
  }

  .footer-col:nth-child(2) {
    border-top: 1px solid var(--footer-line);
  }

  .media--cut {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 22px));
  }
}

/* ---------- 17. 降低动态效果 ---------- */
@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;
  }

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

  .btn--primary:hover,
  .btn--ghost:hover,
  .footer-list a:hover,
  .nav-quick a:hover {
    transform: none;
  }
}