/* ==========================================================================
   利升体育 · 全站共享样式  /assets/site.css
   夜间赛场控制室 × 数据看板：碳黑底、墨绿分区、粗边框、硬阴影
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --ls-carbon: #0B0F0E;
  --ls-forest: #10241F;
  --ls-line: #1E3B33;
  --ls-cyan: #35E0C8;
  --ls-orange: #FF8A3D;
  --ls-lake: #5C8FA8;
  --ls-white: #E9F1ED;
  --ls-grey: #9AA7A3;
  --ls-amber: #F2B84B;
  --ls-grid: #223029;

  --ls-rail: 88px;
  --ls-maxw: 1280px;
  --ls-pad: clamp(16px, 4vw, 48px);
  --ls-shadow: 6px 6px 0 0 var(--ls-line);
  --ls-shadow-sm: 3px 3px 0 0 var(--ls-line);
  --ls-t: 150ms;

  --ls-font-display: 'Barlow Condensed', 'Oswald', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ls-font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --ls-font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --ls-font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Roboto Mono', ui-monospace, Menlo, Consolas, monospace;
}

:root[data-contrast="high"] {
  --ls-line: #3E7A69;
  --ls-grey: #C7D5D0;
  --ls-grid: #3A5A50;
  --ls-forest: #0C1B17;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ls-carbon);
  background-image:
    linear-gradient(rgba(34, 48, 41, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 48, 41, 0.55) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  color: var(--ls-white);
  font-family: var(--ls-font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--ls-cyan); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--ls-orange); }

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

::selection { background: var(--ls-cyan); color: #04120F; }

/* ---------- 3. 排版 ---------- */
.ls-eyebrow {
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ls-cyan);
  margin: 0 0 10px;
}

.ls-h1 {
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: clamp(32px, 5.4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0;
}

.ls-h2 {
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

.ls-h3 {
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0;
}

.ls-lede {
  font-family: var(--ls-font-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ls-white);
  max-width: 42em;
  margin: 0;
}

.ls-num,
.ls-status,
.ls-tag,
.ls-chip,
.ls-eyebrow {
  font-variant-numeric: tabular-nums;
}

.ls-num {
  font-family: var(--ls-font-mono);
  letter-spacing: -0.01em;
}

/* ---------- 4. 容器与网格 ---------- */
.ls-container {
  width: 100%;
  max-width: var(--ls-maxw);
  margin-inline: auto;
  padding-inline: var(--ls-pad);
}

.ls-section { padding-block: clamp(40px, 6vw, 80px); }
.ls-section--tight { padding-block: clamp(24px, 3vw, 40px); }

.ls-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.ls-col--12 { grid-column: span 12; }
.ls-col--6 { grid-column: span 12; }
.ls-col--4 { grid-column: span 12; }
.ls-col--3 { grid-column: span 12; }
.ls-col--9 { grid-column: span 12; }
.ls-col--8 { grid-column: span 12; }

@media (min-width: 640px) {
  .ls-col--6 { grid-column: span 6; }
  .ls-col--4 { grid-column: span 6; }
  .ls-col--3 { grid-column: span 6; }
}

@media (min-width: 960px) {
  .ls-col--4 { grid-column: span 4; }
  .ls-col--3 { grid-column: span 3; }
  .ls-col--9 { grid-column: span 9; }
  .ls-col--8 { grid-column: span 8; }
}

/* ---------- 5. 面板 / 标签 / 按钮 / chip ---------- */
.ls-panel {
  background: var(--ls-forest);
  border: 2px solid var(--ls-line);
  box-shadow: var(--ls-shadow);
  padding: clamp(16px, 2.2vw, 26px);
}

.ls-panel--bare { box-shadow: none; }
.ls-panel--carbon { background: var(--ls-carbon); }

.ls-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 2px solid var(--ls-line);
  border-radius: 2px;
  background: var(--ls-carbon);
  color: var(--ls-grey);
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.5;
  white-space: nowrap;
}

.ls-tag--cyan { color: var(--ls-cyan); border-color: var(--ls-cyan); }
.ls-tag--orange { color: var(--ls-orange); border-color: var(--ls-orange); }
.ls-tag--amber { color: var(--ls-amber); border-color: var(--ls-amber); }
.ls-tag--lake { color: var(--ls-lake); border-color: var(--ls-lake); }

.ls-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 2px solid var(--ls-cyan);
  border-radius: 0;
  background: var(--ls-cyan);
  color: #04120F;
  font-family: var(--ls-font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: var(--ls-shadow-sm);
  cursor: pointer;
  transition: background var(--ls-t), border-color var(--ls-t), color var(--ls-t), box-shadow var(--ls-t);
}

.ls-btn:hover {
  background: var(--ls-orange);
  border-color: var(--ls-orange);
  color: #1A0A00;
  box-shadow: var(--ls-shadow-sm);
}

.ls-btn--ghost {
  background: transparent;
  border-color: var(--ls-line);
  color: var(--ls-white);
}

.ls-btn--ghost:hover {
  background: var(--ls-carbon);
  border-color: var(--ls-lake);
  color: var(--ls-white);
}

.ls-btn--sm {
  padding: 8px 12px;
  font-size: 13px;
  box-shadow: 2px 2px 0 0 var(--ls-line);
}

.ls-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 2px solid var(--ls-line);
  border-radius: 2px;
  background: var(--ls-carbon);
  color: var(--ls-white);
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--ls-t), border-color var(--ls-t), color var(--ls-t);
}

.ls-chip:hover { border-color: var(--ls-lake); color: var(--ls-white); }

.ls-chip[aria-pressed="true"],
.ls-chip.is-active {
  background: var(--ls-lake);
  border-color: var(--ls-lake);
  color: #05140F;
}

.ls-chip__count {
  font-size: 11px;
  opacity: 0.72;
  margin-left: 2px;
}

/* ---------- 6. 面包屑 / 正文 / 表格 ---------- */
.ls-breadcrumb { padding-block: 18px; }

.ls-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ls-grey);
}

.ls-breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ls-breadcrumb li + li::before {
  content: "/";
  color: var(--ls-line);
}

.ls-breadcrumb a {
  color: var(--ls-grey);
  text-decoration: none;
}

.ls-breadcrumb a:hover { color: var(--ls-cyan); }

.ls-breadcrumb [aria-current="page"] { color: var(--ls-white); }

.ls-prose {
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ls-white);
}

.ls-prose p { margin: 0 0 1.2em; }
.ls-prose p:last-child { margin-bottom: 0; }

.ls-prose h2 {
  font-family: var(--ls-font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 2em 0 0.6em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ls-line);
}

.ls-prose h3 {
  font-family: var(--ls-font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 1.6em 0 0.5em;
}

.ls-prose ul,
.ls-prose ol { margin: 0 0 1.2em; padding-left: 1.4em; }
.ls-prose li { margin-bottom: 0.5em; }

.ls-tablewrap {
  overflow-x: auto;
  border: 2px solid var(--ls-line);
  background: var(--ls-forest);
  box-shadow: var(--ls-shadow);
  -webkit-overflow-scrolling: touch;
}

.ls-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.ls-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ls-carbon);
  color: var(--ls-grey);
  font-family: var(--ls-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 2px solid var(--ls-line);
  white-space: nowrap;
}

.ls-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ls-grid);
  vertical-align: top;
}

.ls-table tbody tr:hover { background: var(--ls-carbon); }

.ls-table td:first-child {
  font-family: var(--ls-font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ls-grey);
}

/* ---------- 7. 图片容器（页面阶段放 <img> 或占位） ---------- */
.ls-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--ls-forest);
  border: 2px solid var(--ls-line);
  box-shadow: var(--ls-shadow);
}

.ls-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
}

.ls-media--wide { aspect-ratio: 21 / 9; }
.ls-media--tall { aspect-ratio: 3 / 4; }
.ls-media--square { aspect-ratio: 1 / 1; }
.ls-media--slant { clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%); }

.ls-media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 7px 11px;
  background: var(--ls-carbon);
  border-top: 2px solid var(--ls-line);
  border-right: 2px solid var(--ls-line);
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ls-grey);
}

/* ---------- 8. 滚动显现 ---------- */
.ls-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
  transition-delay: var(--ls-delay, 0ms);
}

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

/* ---------- 9. 跳至主要内容 ---------- */
.ls-skip {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 300;
  transform: translate(-50%, -140%);
  background: var(--ls-cyan);
  color: #04120F;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border: 2px solid var(--ls-carbon);
  text-decoration: none;
  transition: transform var(--ls-t) ease;
}

.ls-skip:focus { transform: translate(-50%, 0); color: #04120F; }

/* ---------- 10. 头部：移动端顶部栏 ---------- */
.ls-header {
  position: sticky;
  top: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--ls-forest);
  border-bottom: 2px solid var(--ls-line);
  color: var(--ls-white);
}

.ls-brand {
  order: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ls-white);
  text-decoration: none;
}

.ls-brand:hover { color: var(--ls-white); }

.ls-brand__mark {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  background: var(--ls-cyan);
  border: 2px solid var(--ls-carbon);
  box-shadow: 3px 3px 0 0 var(--ls-orange);
}

.ls-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ls-brand__name {
  font-family: var(--ls-font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ls-brand__sub {
  font-family: var(--ls-font-mono);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ls-grey);
  white-space: nowrap;
}

@media (max-width: 419px) {
  .ls-brand__sub { display: none; }
}

/* 抽屉按钮 */
.ls-navtoggle {
  order: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--ls-carbon);
  color: var(--ls-white);
  border: 2px solid var(--ls-line);
  border-radius: 0;
  box-shadow: 3px 3px 0 0 var(--ls-line);
  cursor: pointer;
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color var(--ls-t), background var(--ls-t);
}

.ls-navtoggle:hover { border-color: var(--ls-lake); background: var(--ls-forest); }

.ls-navtoggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 12px;
}

.ls-navtoggle__bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform var(--ls-t) ease, opacity var(--ls-t) ease;
}

.ls-navtoggle__bars span:nth-child(1) { top: 0; }
.ls-navtoggle__bars span:nth-child(2) { top: 5px; }
.ls-navtoggle__bars span:nth-child(3) { top: 10px; }

.ls-header[data-open] .ls-navtoggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.ls-header[data-open] .ls-navtoggle__bars span:nth-child(2) { opacity: 0; }
.ls-header[data-open] .ls-navtoggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 11. 导航：移动端抽屉 ---------- */
.ls-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 130;
  width: min(300px, 84vw);
  display: flex;
  flex-direction: column;
  padding: 68px 14px 22px;
  background: var(--ls-forest);
  border-right: 2px solid var(--ls-line);
  box-shadow: 6px 0 0 0 rgba(0, 0, 0, 0.45);
  overflow-y: auto;
  transform: translateX(-104%);
  transition: transform 200ms ease;
}

.ls-header[data-open] .ls-nav { transform: translateX(0); }

.ls-nav__list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  list-style: none;
}

.ls-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid transparent;
  color: var(--ls-white);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background var(--ls-t), border-color var(--ls-t), color var(--ls-t);
}

.ls-nav__link:hover {
  background: var(--ls-carbon);
  border-color: var(--ls-line);
  color: var(--ls-white);
}

.ls-nav__idx {
  font-family: var(--ls-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ls-grey);
}

.ls-nav__label { white-space: nowrap; }

.ls-nav__link[aria-current="page"] {
  background: var(--ls-carbon);
  border-color: var(--ls-line);
  color: var(--ls-cyan);
}

.ls-nav__link[aria-current="page"] .ls-nav__idx { color: var(--ls-cyan); }

.ls-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ls-cyan);
}

.ls-nav__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px solid var(--ls-line);
  display: flex;
}

.ls-nav__foot .ls-btn { width: 100%; }

/* 移动端遮罩（伪元素挂在 header 上） */
.ls-header::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 125;
  background: rgba(4, 10, 8, 0.74);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.ls-header[data-open]::after {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- 12. 轨道底部状态条 ---------- */
.ls-railbar {
  order: 2;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ls-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ls-grey);
  white-space: nowrap;
}

.ls-status__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  background: var(--ls-cyan);
  box-shadow: 0 0 0 2px rgba(53, 224, 200, 0.18);
}

.ls-contrast {
  padding: 6px 8px;
  border: 2px solid var(--ls-line);
  border-radius: 2px;
  background: var(--ls-carbon);
  color: var(--ls-grey);
  font-family: var(--ls-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--ls-t), border-color var(--ls-t), color var(--ls-t);
}

.ls-contrast:hover { border-color: var(--ls-lake); color: var(--ls-white); }

.ls-contrast[aria-pressed="true"] {
  background: var(--ls-lake);
  border-color: var(--ls-lake);
  color: #05140F;
}

/* ---------- 13. 滚动进度 ---------- */
.ls-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 140;
  height: 3px;
  background: var(--ls-cyan);
  transform: scaleX(var(--ls-p, 0));
  transform-origin: left center;
  pointer-events: none;
  will-change: transform;
}

/* ---------- 14. 桌面端：左侧固定轨道 ---------- */
@media (min-width: 960px) {
  body { padding-left: var(--ls-rail); }

  .ls-header {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: auto;
    width: var(--ls-rail);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    border-bottom: 0;
    border-right: 2px solid var(--ls-line);
    overflow: visible;
  }

  .ls-header::after { content: none; }

  .ls-brand {
    order: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 16px 0;
    border-bottom: 2px solid var(--ls-line);
  }

  .ls-brand__text { align-items: center; }

  .ls-brand__name {
    writing-mode: vertical-rl;
    font-size: 15px;
    letter-spacing: 0.14em;
  }

  .ls-brand__sub { display: none; }

  .ls-navtoggle { display: none; }

  .ls-nav {
    order: 0;
    position: static;
    transform: none;
    width: auto;
    flex: 1 1 auto;
    min-height: 0;
    padding: 12px 8px;
    background: transparent;
    border-right: 0;
    box-shadow: none;
    transition: none;
    overflow-y: auto;
  }

  .ls-nav__list { gap: 4px; }

  .ls-nav__link {
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 12px 4px;
    font-size: 12px;
    line-height: 1.2;
    text-align: center;
  }

  .ls-nav__idx { font-size: 9px; }

  .ls-nav__label { white-space: nowrap; }

  .ls-nav__foot {
    margin-top: 12px;
    padding-top: 12px;
  }

  .ls-nav__foot .ls-btn {
    padding: 8px 4px;
    font-size: 11px;
    letter-spacing: 0.04em;
    width: 100%;
  }

  .ls-railbar {
    order: 0;
    margin: auto 0 0;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    padding: 14px 8px;
    border-top: 2px solid var(--ls-line);
  }

  .ls-progress {
    position: absolute;
    top: 0;
    bottom: 0;
    left: auto;
    right: 0;
    width: 3px;
    height: auto;
    transform: scaleY(var(--ls-p, 0));
    transform-origin: top center;
  }
}

/* ---------- 15. 页脚 ---------- */
.ls-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ls-forest);
  border-top: 2px solid var(--ls-line);
  color: var(--ls-white);
}

.ls-footer__grid,
.ls-footer__legal,
.ls-footer__bottom {
  width: 100%;
  max-width: var(--ls-maxw);
  margin-inline: auto;
  padding-inline: var(--ls-pad);
}

.ls-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: clamp(36px, 5vw, 60px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

@media (min-width: 640px) {
  .ls-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .ls-footer__grid {
    grid-template-columns: 1.7fr 1fr 1fr 1.4fr;
    gap: 40px;
  }
}

.ls-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ls-footer__logo {
  font-family: var(--ls-font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ls-white);
}

.ls-footer__desc {
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ls-grey);
}

.ls-footer__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ls-cyan);
}

.ls-footer__title {
  font-family: var(--ls-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ls-lake);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ls-line);
}

.ls-footer__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.ls-footer__list a,
.ls-footer__list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-grey);
  text-decoration: none;
}

.ls-footer__list a:hover { color: var(--ls-cyan); }

.ls-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  padding-block: 22px;
  border-top: 2px solid var(--ls-line);
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ls-grey);
}

.ls-footer__legallinks {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  list-style: none;
}

.ls-footer__legallinks a {
  color: var(--ls-white);
  text-decoration: none;
  border-bottom: 2px solid var(--ls-line);
  padding-bottom: 2px;
  transition: border-color var(--ls-t), color var(--ls-t);
}

.ls-footer__legallinks a:hover {
  border-color: var(--ls-cyan);
  color: var(--ls-cyan);
}

.ls-footer__icp { color: var(--ls-lake); }

.ls-footer__note { max-width: 46em; }

.ls-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-bottom: clamp(28px, 4vw, 44px);
  font-family: var(--ls-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ls-grey);
}

.ls-footer__bottom p { max-width: 46em; }

/* ---------- 16. 动效与高对比降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .ls-reveal {
    opacity: 1;
    transform: none;
    transition: none;
    transition-delay: 0ms;
  }

  .ls-nav,
  .ls-navtoggle__bars span,
  .ls-header::after,
  .ls-skip,
  .ls-btn,
  .ls-chip,
  .ls-nav__link {
    transition: none;
  }

  .ls-progress { will-change: auto; }
}