/* ==========================================================================
   球会体育 Site Kit · /assets/site.css
   高原夜赛 · 记分册式视觉体系
   ========================================================================== */

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

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

body { margin: 0; min-height: 100%; }

h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩 */
  --qs-night: #071426;
  --qs-stand: #0E2540;
  --qs-line: #1B3E5C;
  --qs-paper: #F4EBD8;
  --qs-ink: #2A211B;
  --qs-lake: #27C2B0;
  --qs-lake-deep: #0E7268;
  --qs-lime: #C8F441;
  --qs-lime-hot: #D9FF62;
  --qs-orange: #FF7A2F;
  --qs-orange-deep: #D94E12;
  --qs-mist: #9FB3C8;
  --qs-white: #FFFFFF;
  --qs-text: #DEE7F0;

  /* 字体 */
  --qs-display: 'Barlow Condensed', 'Oswald', 'Noto Sans SC', system-ui, sans-serif;
  --qs-body: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --qs-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;
  --qs-serif: 'Noto Serif SC', 'Songti SC', serif;

  /* 尺度 */
  --qs-w: 1240px;
  --qs-gutter: clamp(16px, 4vw, 40px);
  --qs-header-h: 72px;
  --qs-cut: 18px;
  --qs-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 中文排版基础 ---------- */
body {
  font-family: var(--qs-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  color: var(--qs-text);
  background-color: var(--qs-night);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--qs-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--qs-white);
  text-wrap: balance;
}

p { max-width: 38em; text-wrap: pretty; }
strong { font-weight: 700; color: var(--qs-white); }

::selection { background: var(--qs-lime); color: var(--qs-night); }

:focus-visible {
  outline: 2px solid var(--qs-lime);
  outline-offset: 3px;
}

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

/* ---------- 4. 布局原语 ---------- */
.qs-container {
  width: min(100% - (var(--qs-gutter) * 2), var(--qs-w));
  margin-inline: auto;
}

.qs-section { padding-block: clamp(56px, 7vw, 104px); }
.qs-section--tight { padding-block: clamp(32px, 4vw, 56px); }

.qs-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}
.qs-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.qs-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.qs-grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.qs-grid--8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }

/* ---------- 5. 文字组件 ---------- */
.qs-display {
  font-family: var(--qs-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--qs-white);
}

.qs-title { font-size: clamp(28px, 3.6vw, 44px); }

.qs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--qs-lake);
}

.qs-lede {
  font-size: 18px;
  line-height: 1.7;
  color: var(--qs-text);
  max-width: 34em;
}

.qs-quote {
  font-family: var(--qs-serif);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.62;
  color: var(--qs-paper);
}

.qs-score {
  font-family: var(--qs-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--qs-orange);
}

/* ---------- 6. 按钮 ---------- */
.qs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: var(--qs-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  letter-spacing: 0.05em;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background-color 0.2s var(--qs-ease), color 0.2s var(--qs-ease), box-shadow 0.2s var(--qs-ease), transform 0.2s var(--qs-ease);
}
.qs-btn:active { transform: translateY(1px); }

.qs-btn--accent {
  background-color: var(--qs-lime);
  color: var(--qs-night);
}
.qs-btn--accent:hover { background-color: var(--qs-lime-hot); }
.qs-btn--accent:focus-visible {
  outline: 0;
  box-shadow: inset 0 0 0 2px var(--qs-night);
}

.qs-btn--ghost {
  background-color: transparent;
  color: var(--qs-paper);
  box-shadow: inset 0 0 0 1px var(--qs-line);
}
.qs-btn--ghost:hover {
  color: var(--qs-lime);
  box-shadow: inset 0 0 0 1px var(--qs-lime);
}
.qs-btn--ghost:focus-visible {
  outline: 0;
  box-shadow: inset 0 0 0 2px var(--qs-lime);
}

/* ---------- 7. 标签 ---------- */
.qs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--qs-lake);
  background-color: rgba(39, 194, 176, 0.1);
  border: 1px solid rgba(39, 194, 176, 0.32);
}
.qs-tag--lime {
  color: var(--qs-lime);
  background-color: rgba(200, 244, 65, 0.1);
  border-color: rgba(200, 244, 65, 0.38);
}
.qs-tag--orange {
  color: var(--qs-orange);
  background-color: rgba(255, 122, 47, 0.12);
  border-color: rgba(255, 122, 47, 0.4);
}

/* ---------- 8. 切角面板与展签编号 ---------- */
.qs-plate {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px);
  background-color: var(--qs-stand);
  border: 1px solid var(--qs-line);
  clip-path: polygon(0 0, calc(100% - var(--qs-cut)) 0, 100% var(--qs-cut), 100% 100%, var(--qs-cut) 100%, 0 calc(100% - var(--qs-cut)));
}

.qs-plate__no {
  display: inline-block;
  margin-bottom: 14px;
  padding: 2px 8px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--qs-lime);
  border: 1px solid rgba(200, 244, 65, 0.45);
}

/* ---------- 9. 影像容器 ---------- */
.qs-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--qs-stand);
  background-image:
    linear-gradient(135deg, rgba(39, 194, 176, 0.2), rgba(7, 20, 38, 0) 55%),
    linear-gradient(160deg, #0E2540, #071426 72%);
  clip-path: polygon(0 0, calc(100% - var(--qs-cut)) 0, 100% var(--qs-cut), 100% 100%, var(--qs-cut) 100%, 0 calc(100% - var(--qs-cut)));
}
.qs-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(159, 179, 200, 0.1) 0 1px, transparent 1px 26px);
}
.qs-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.qs-media--wide { aspect-ratio: 21 / 9; }
.qs-media--tall { aspect-ratio: 4 / 5; }

.qs-media__label {
  position: absolute;
  z-index: 2;
  left: 14px;
  bottom: 12px;
  padding: 4px 8px;
  font-family: var(--qs-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--qs-paper);
  background-color: rgba(7, 20, 38, 0.72);
  border-left: 2px solid var(--qs-lime);
}

/* ---------- 10. 索引 ---------- */
.qs-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--qs-line);
}
.qs-index__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--qs-line);
  transition: background-color 0.2s var(--qs-ease);
}
.qs-index__no {
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--qs-mist);
}
.qs-index__title {
  font-family: var(--qs-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--qs-white);
  transition: color 0.2s var(--qs-ease);
}
.qs-index__meta {
  font-family: var(--qs-mono);
  font-size: 12px;
  color: var(--qs-mist);
}
.qs-index__item:hover .qs-index__title,
.qs-index__item:focus-within .qs-index__title { color: var(--qs-lime); }

/* ---------- 11. 面包屑 ---------- */
.qs-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--qs-mist);
}
.qs-crumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.qs-crumb li + li::before {
  content: "/";
  color: var(--qs-line);
}
.qs-crumb a:hover { color: var(--qs-lime); }
.qs-crumb [aria-current="page"] { color: var(--qs-paper); }

/* ---------- 12. 纸面反色区 ---------- */
.qs-paper,
.qs-band {
  background-color: var(--qs-paper);
  color: var(--qs-ink);
}
.qs-paper h1,
.qs-paper h2,
.qs-paper h3,
.qs-paper h4,
.qs-band h1,
.qs-band h2,
.qs-band h3,
.qs-band h4 { color: var(--qs-ink); }

.qs-paper a,
.qs-band a { color: var(--qs-lake-deep); }
.qs-paper a:hover,
.qs-band a:hover { color: var(--qs-orange-deep); }

.qs-paper :focus-visible,
.qs-band :focus-visible { outline-color: var(--qs-lake-deep); }

.qs-paper .qs-display,
.qs-band .qs-display { color: var(--qs-ink); }

.qs-paper .qs-tag,
.qs-band .qs-tag {
  color: var(--qs-lake-deep);
  background-color: rgba(14, 114, 104, 0.08);
  border-color: rgba(14, 114, 104, 0.35);
}

/* ---------- 13. 头部 ---------- */
.qs-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  font-family: var(--qs-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--qs-night);
  background-color: var(--qs-lime);
  transform: translateY(-180%);
  transition: transform 0.2s var(--qs-ease);
}
.qs-skip:focus { transform: translateY(0); }

.qs-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  border-bottom: 1px solid transparent;
  background-image: linear-gradient(180deg, rgba(7, 20, 38, 0.74), rgba(7, 20, 38, 0));
  transition: background-color 0.28s var(--qs-ease), border-color 0.28s var(--qs-ease), background-image 0.28s var(--qs-ease);
}
.qs-header.is-solid {
  background-color: rgba(14, 37, 64, 0.95);
  background-image: none;
  border-bottom-color: var(--qs-line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.qs-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 44px);
  width: min(100% - (var(--qs-gutter) * 2), var(--qs-w));
  min-height: var(--qs-header-h);
  margin-inline: auto;
}

/* 品牌 */
.qs-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}
.qs-brand__mark {
  position: relative;
  font-family: var(--qs-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--qs-white);
}
.qs-brand__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 34%;
  bottom: -4px;
  height: 3px;
  background-color: var(--qs-lime);
  transform: skewX(-24deg);
}
.qs-brand__suffix {
  padding-left: 10px;
  font-family: var(--qs-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--qs-lake);
  border-left: 1px solid var(--qs-line);
}

/* 导航 */
.qs-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  margin-left: auto;
}
.qs-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 26px);
}
.qs-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 14px;
  font-weight: 500;
  color: var(--qs-text);
  transition: color 0.2s var(--qs-ease);
}
.qs-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background-color: var(--qs-lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--qs-ease);
}
.qs-nav__link:hover,
.qs-nav__link:focus-visible { color: var(--qs-white); }
.qs-nav__link:hover::after,
.qs-nav__link:focus-visible::after { transform: scaleX(1); }
.qs-nav__link[aria-current="page"] { color: var(--qs-lime); }
.qs-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.qs-nav__cta { flex: 0 0 auto; }

/* 移动按钮 */
.qs-navtoggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 12px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--qs-white);
  border: 1px solid var(--qs-line);
  transition: border-color 0.2s var(--qs-ease), color 0.2s var(--qs-ease);
}
.qs-navtoggle:hover { border-color: var(--qs-lake); color: var(--qs-lime); }
.qs-navtoggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  transition: background-color 0.24s var(--qs-ease);
}
.qs-navtoggle__bars::before,
.qs-navtoggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.24s var(--qs-ease);
}
.qs-navtoggle__bars::before { top: -6px; }
.qs-navtoggle__bars::after { top: 6px; }
.qs-navtoggle[aria-expanded="true"] .qs-navtoggle__bars { background-color: transparent; }
.qs-navtoggle[aria-expanded="true"] .qs-navtoggle__bars::before { transform: translateY(6px) rotate(45deg); }
.qs-navtoggle[aria-expanded="true"] .qs-navtoggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 滚动进度 */
.qs-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.qs-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, var(--qs-lake), var(--qs-lime));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.12s linear;
}

/* ---------- 14. 页脚 ---------- */
.qs-footer {
  position: relative;
  overflow: hidden;
  color: var(--qs-text);
  background-color: var(--qs-stand);
  border-top: 1px solid var(--qs-line);
}
.qs-footer::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -90px;
  width: 340px;
  height: 340px;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(39, 194, 176, 0.18), transparent 65%);
}

.qs-footer__top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.9fr);
  gap: clamp(28px, 5vw, 64px);
  width: min(100% - (var(--qs-gutter) * 2), var(--qs-w));
  margin-inline: auto;
  padding-block: clamp(44px, 6vw, 72px) clamp(28px, 4vw, 44px);
}

.qs-brand--footer {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.qs-brand--footer .qs-brand__mark { font-size: 26px; }
.qs-brand--footer .qs-brand__suffix {
  padding-left: 0;
  border-left: 0;
  letter-spacing: 0.2em;
}

.qs-footer__note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--qs-mist);
  max-width: 26em;
}
.qs-footer__meta {
  margin-top: 12px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--qs-line);
  color: #7E97AF;
}

.qs-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}
.qs-footer__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  font-family: var(--qs-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--qs-white);
  border-bottom: 1px solid var(--qs-line);
}
.qs-footer__list { display: grid; gap: 10px; }
.qs-footer__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--qs-mist);
  transition: color 0.18s var(--qs-ease), transform 0.18s var(--qs-ease);
}
.qs-footer__list a:hover,
.qs-footer__list a:focus-visible {
  color: var(--qs-lime);
  transform: translateX(3px);
}

.qs-footer__legal {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  width: min(100% - (var(--qs-gutter) * 2), var(--qs-w));
  margin-inline: auto;
  padding-block: 20px 32px;
  font-family: var(--qs-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--qs-mist);
  border-top: 1px solid var(--qs-line);
}
.qs-footer__legal p { max-width: none; }

.qs-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.qs-footer__legal-links a {
  color: var(--qs-mist);
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--qs-ease), border-color 0.18s var(--qs-ease);
}
.qs-footer__legal-links a:hover,
.qs-footer__legal-links a:focus-visible {
  color: var(--qs-paper);
  border-bottom-color: var(--qs-lake);
}

/* 底部常驻菜单 */
.qs-tabbar { display: none; }

/* ---------- 15. 显现动效 ---------- */
.qs-js .qs-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s var(--qs-ease), transform 0.32s var(--qs-ease);
}
.qs-js .qs-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 16. 平板 ---------- */
@media (max-width: 960px) {
  :root { --qs-header-h: 64px; }

  .qs-navtoggle { display: inline-flex; }

  .qs-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--qs-header-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--qs-header-h));
    overflow-y: auto;
    padding: 8px var(--qs-gutter) 26px;
    margin-left: 0;
    background-color: var(--qs-stand);
    border-bottom: 1px solid var(--qs-line);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.24s var(--qs-ease), transform 0.24s var(--qs-ease), visibility 0.24s var(--qs-ease);
  }
  .qs-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .qs-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .qs-nav__link {
    display: block;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid rgba(27, 62, 92, 0.7);
  }
  .qs-nav__link::after { display: none; }
  .qs-nav__link[aria-current="page"] {
    padding-left: 12px;
    color: var(--qs-lime);
    border-left: 3px solid var(--qs-lime);
  }

  .qs-nav__cta {
    margin-top: 18px;
    width: 100%;
  }

  .qs-grid--2,
  .qs-grid--3,
  .qs-grid--7-5,
  .qs-grid--8-4 { grid-template-columns: minmax(0, 1fr); }

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

/* ---------- 17. 手机 ---------- */
@media (max-width: 720px) {
  body { padding-bottom: 66px; }

  .qs-brand__suffix { display: none; }

  .qs-footer__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 20px;
  }

  .qs-footer__legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 26px;
  }

  .qs-index__item {
    grid-template-columns: 44px minmax(0, 1fr);
    row-gap: 4px;
  }
  .qs-index__meta { grid-column: 2; }

  .qs-tabbar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0px));
    background-color: rgba(7, 20, 38, 0.97);
    border-top: 1px solid var(--qs-line);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
  .qs-tabbar__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px 4px;
    font-family: var(--qs-display);
    font-size: 13px;
    letter-spacing: 0.06em;
    color: var(--qs-mist);
    transition: color 0.2s var(--qs-ease);
  }
  .qs-tabbar__item::before {
    content: "";
    width: 18px;
    height: 2px;
    background-color: currentColor;
    opacity: 0.35;
    transition: width 0.2s var(--qs-ease), opacity 0.2s var(--qs-ease);
  }
  .qs-tabbar__item[aria-current="page"] { color: var(--qs-lime); }
  .qs-tabbar__item[aria-current="page"]::before {
    width: 28px;
    opacity: 1;
    background-color: var(--qs-lime);
  }
}

@media (max-width: 420px) {
  .qs-navtoggle__label { display: none; }
  .qs-footer__cols { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 18. 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .qs-js .qs-reveal {
    opacity: 1;
    transform: none;
  }
  .qs-progress__bar { transition: none; }
}