/* ==========================================================================
   赢体育唯一网 · /assets/site.css
   共享外壳：reset / CSS 变量 / 中文排版 / 命令栏头部 / 夜灯数据页脚 / 基础组件
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

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

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

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

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

::selection { background: #2BE3D2; color: #04202A; }

/* ---------- 2. 变量 ---------- */
:root {
  --deep-ink: #061726;
  --tide-blue: #0E2E47;
  --harbor-blue: #17496E;
  --line-steel: #24506F;
  --glow-cyan: #2BE3D2;
  --ice-cyan: #A8F6EE;
  --signal-orange: #FF8A3D;
  --ember-orange: #C75A21;
  --paper-warm: #F5F1E8;
  --ink-900: #0C1A24;
  --slate-500: #5C7285;
  --mint-line: #D9E3E0;

  /* 可被 .zone--paper 覆盖的语义变量 */
  --text: #EAF4F6;
  --muted: #8FA9B8;
  --line: #24506F;
  --panel: #0E2E47;
  --accent: #2BE3D2;
  --hot: #FF8A3D;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-narrow: "Arial Narrow", "Helvetica Neue Condensed", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Roboto Mono", "Courier New", monospace;

  --shell: 1320px;
  --gutter: clamp(16px, 3.4vw, 36px);
  --r: 2px;
  --shadow-s: 0 1px 0 rgba(43, 227, 210, .10), 0 8px 24px -18px rgba(0, 0, 0, .9);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  background: var(--deep-ink);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-narrow);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.14;
  color: inherit;
}

h1 { font-size: clamp(28px, 5vw, 56px); }
h2 { font-size: clamp(24px, 3.4vw, 40px); }
h3 { font-size: clamp(19px, 2.2vw, 24px); }
h4 { font-size: 18px; }

strong, b { font-weight: 700; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: .8;
}

.hairline {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
  margin: clamp(24px, 4vw, 48px) 0;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 焦点与跳过链接 ---------- */
:focus-visible {
  outline: 2px solid var(--glow-cyan);
  outline-offset: 2px;
  border-radius: var(--r);
}

.skip-link {
  position: fixed;
  top: -90px;
  left: 16px;
  z-index: 300;
  padding: 11px 18px;
  background: var(--glow-cyan);
  color: #04202A;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  border-radius: var(--r);
  transition: top .2s ease;
}
.skip-link:focus { top: 14px; }

/* ---------- 5. 容器与分屏网格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.split {
  display: grid;
  gap: clamp(20px, 3vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.split--even { grid-template-columns: minmax(0, 1fr); }
.split--wide-right { grid-template-columns: minmax(0, 1fr); }

@media (min-width: 1024px) {
  .split { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .split--even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .split--wide-right { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
}

.grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--auto { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
}
@media (min-width: 960px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}

/* ---------- 6. 明暗分区 ---------- */
.zone--paper {
  --text: var(--ink-900);
  --muted: var(--slate-500);
  --line: var(--mint-line);
  --panel: #FFFFFF;
  --accent: #0B7E76;
  --hot: var(--ember-orange);
  background: var(--paper-warm);
  color: var(--ink-900);
}

.zone--tide {
  --panel: #123655;
  --line: #24506F;
  background: linear-gradient(180deg, #082B45, #061726);
  color: var(--text);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line-steel);
  border-radius: var(--r);
  background: rgba(23, 73, 110, .38);
  color: #EAF4F6;
  font-size: 14.5px;
  line-height: 1.2;
  letter-spacing: .02em;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn:hover {
  background: rgba(23, 73, 110, .72);
  border-color: var(--glow-cyan);
  color: #FFFFFF;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--signal-orange);
  border-color: var(--signal-orange);
  color: #1B0C02;
  font-weight: 700;
}
.btn--primary:hover {
  background: #FF9D5C;
  border-color: #FF9D5C;
  color: #1B0C02;
}
.btn--primary:active {
  background: var(--ember-orange);
  border-color: var(--ember-orange);
  color: #FFF3EA;
}

.btn--ghost { background: transparent; }

.btn--sm { padding: 7px 13px; font-size: 13.5px; }

.btn--block { width: 100%; }

.zone--paper .btn {
  background: rgba(12, 26, 36, .05);
  border-color: var(--mint-line);
  color: var(--ink-900);
}
.zone--paper .btn:hover {
  background: rgba(12, 26, 36, .10);
  border-color: var(--accent);
  color: var(--ink-900);
}
.zone--paper .btn--primary {
  background: var(--signal-orange);
  border-color: var(--signal-orange);
  color: #1B0C02;
}

/* ---------- 8. chips 筛选 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #04202A;
  font-weight: 700;
}

/* ---------- 9. 栏目标题 / 面板 / 索引 ---------- */
.section-head {
  display: grid;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 36px);
}
.section-head__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--accent);
}
.section-head__title { font-size: clamp(24px, 3.2vw, 38px); }
.section-head__lead {
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(16px, 2.4vw, 28px);
  box-shadow: var(--shadow-s);
}
.panel--tight { padding: clamp(12px, 1.6vw, 18px); }
.panel--accent { border-left: 2px solid var(--accent); }

.prose { max-width: 68ch; }
.prose p { margin-bottom: 1em; color: var(--text); }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { margin: 1.6em 0 .7em; }
.prose h3 { margin: 1.4em 0 .6em; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.3em; }
.prose ul { list-style: none; }
.prose ul li { position: relative; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: -1.3em;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--accent);
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .5em; }
.prose a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

.data-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--hot);
}

.kv {
  display: grid;
  grid-template-columns: minmax(76px, auto) minmax(0, 1fr);
  gap: 6px 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.kv:last-child { border-bottom: 0; }
.kv__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}
.kv__v { color: var(--text); }

.index-list { border-top: 1px solid var(--line); }
.index-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
  transition: background .18s ease, padding-left .18s ease;
}
.index-list__item:hover {
  background: rgba(43, 227, 210, .06);
  padding-left: 8px;
}

/* ---------- 10. 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 26px;
  border-left: 1px solid var(--line);
}
.timeline__node {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 36px) 0;
}
.timeline__node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 14px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), rgba(43, 227, 210, 0));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .7s cubic-bezier(.22, .7, .28, 1);
}
.timeline__node.is-in::before { transform: scaleY(1); }
.timeline__dot {
  position: absolute;
  left: -31px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--deep-ink);
  border: 2px solid var(--accent);
}
.zone--paper .timeline__dot { background: var(--paper-warm); }
.timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 6px;
}
.timeline__body { color: var(--muted); font-size: 15.5px; }

/* ---------- 11. 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  padding: 14px 0;
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line-steel);
}
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs [aria-current="page"] { color: var(--text); }

/* ---------- 12. 图片容器（页面阶段放图） ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background:
    linear-gradient(140deg, var(--harbor-blue) 0%, var(--tide-blue) 42%, var(--deep-ink) 100%);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media__label {
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ice-cyan);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(43, 227, 210, .14), transparent 45%, rgba(6, 23, 38, .55));
  pointer-events: none;
}

/* ---------- 13. 对角装饰色块 ---------- */
.angle-block {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(135deg, rgba(43, 227, 210, .20) 0%, rgba(23, 73, 110, .28) 45%, rgba(6, 23, 38, 0) 78%);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* ==========================================================================
   14. 顶部命令栏
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  color: #EAF4F6;
  background: linear-gradient(180deg, rgba(6, 23, 38, .985), rgba(6, 23, 38, .90));
  border-bottom: 1px solid rgba(43, 227, 210, .20);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.cmdbar {
  position: relative;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 11px var(--gutter);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 1.8vw, 28px);
  transition: padding .24s ease;
}
.site-header[data-scrolled] .cmdbar { padding-block: 7px; }

/* 品牌锁 */
.cmdbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}
.cmdbar__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border: 1px solid var(--glow-cyan);
  border-radius: var(--r);
  background: linear-gradient(135deg, rgba(43, 227, 210, .18), rgba(23, 73, 110, .35));
  color: var(--glow-cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}
.cmdbar__brandtext {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}
.cmdbar__name {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .01em;
  white-space: nowrap;
}
.cmdbar__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--slate-500);
  white-space: nowrap;
  transition: opacity .2s ease, max-height .2s ease;
  max-height: 18px;
}
.site-header[data-scrolled] .cmdbar__tag {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
}

/* 主导航 */
.cmdbar__nav { min-width: 0; }

.navlist {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.navlink {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: var(--r);
  color: #C9DDE6;
  font-size: 14.5px;
  line-height: 1.2;
  white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.navlink__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--slate-500);
  transition: color .18s ease;
}
.navlink:hover {
  background: rgba(43, 227, 210, .08);
  border-color: rgba(43, 227, 210, .30);
  color: #FFFFFF;
}
.navlink:hover .navlink__idx { color: var(--ice-cyan); }

.navlink[aria-current="page"] {
  background: rgba(43, 227, 210, .12);
  border-color: rgba(43, 227, 210, .45);
  color: #FFFFFF;
}
.navlink[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 5px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--glow-cyan);
  box-shadow: 0 0 0 3px rgba(43, 227, 210, .16);
}
.navlink[aria-current="page"] .navlink__idx { color: var(--glow-cyan); }

/* 命令栏行动区 */
.cmdbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cmdbar__cta { white-space: nowrap; }

/* 移动按钮 */
.navbar__toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--line-steel);
  border-radius: var(--r);
  color: #EAF4F6;
  font-size: 13.5px;
  letter-spacing: .06em;
  transition: border-color .18s ease, background .18s ease;
}
.navbar__toggle:hover { border-color: var(--glow-cyan); background: rgba(43, 227, 210, .08); }

.navbar__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}
.navbar__bars i {
  display: block;
  height: 1.5px;
  width: 100%;
  background: currentColor;
  transform-origin: center;
  transition: transform .22s ease, opacity .22s ease;
}
.navbar__toggle[aria-expanded="true"] .navbar__bars i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] .navbar__bars i:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] .navbar__bars i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.navbar__toggletext { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .16em; }

/* 滚动进度 */
.cmdbar__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(36, 80, 111, .55);
  overflow: hidden;
}
.cmdbar__progressbar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--glow-cyan), var(--signal-orange));
}

/* ---------- 14b. 头部响应式 ---------- */
@media (max-width: 1240px) {
  .cmdbar__quick { display: none; }
}

@media (max-width: 1080px) {
  .cmdbar {
    grid-template-columns: auto auto;
    justify-content: space-between;
    padding-block: 10px;
  }
  .navbar__toggle { display: inline-flex; }

  .cmdbar__nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    max-height: min(76vh, 620px);
    overflow-y: auto;
    padding: 10px var(--gutter) 20px;
    background: linear-gradient(180deg, #082033 0%, #061726 100%);
    border-bottom: 1px solid var(--glow-cyan);
    box-shadow: 0 26px 48px -22px rgba(0, 0, 0, .95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
  }
  .cmdbar__nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navlist { display: grid; gap: 4px; }

  .navlink {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 13px 14px;
    border: 1px solid var(--line-steel);
    border-left-width: 2px;
    font-size: 15.5px;
  }
  .navlink__idx {
    order: -1;
    min-width: 26px;
    font-size: 11px;
    color: var(--slate-500);
  }
  .navlink[aria-current="page"] { border-left-color: var(--glow-cyan); }
  .navlink[aria-current="page"]::after { left: auto; right: 12px; top: 50%; margin-top: -3px; }
}

@media (max-width: 420px) {
  .navbar__toggletext { display: none; }
  .cmdbar__name { font-size: 15px; }
}

/* ==========================================================================
   15. 页脚
   ========================================================================== */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--deep-ink);
  color: #CFE3EA;
  border-top: 1px solid var(--line-steel);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 80, 111, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 80, 111, .55) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .30;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 72%);
  pointer-events: none;
}

.footer__glow {
  position: absolute;
  top: -80px;
  right: -60px;
  width: min(560px, 78vw);
  height: 340px;
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  background: linear-gradient(135deg, rgba(43, 227, 210, .17), rgba(255, 138, 61, .10) 55%, rgba(6, 23, 38, 0) 82%);
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) clamp(26px, 4vw, 46px);
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 760px) {
  .footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brandcol { grid-column: 1 / -1; }
}
@media (min-width: 1080px) {
  .footer__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1.55fr) minmax(0, 1.05fr);
    align-items: start;
  }
  .footer__brandcol { grid-column: auto; }
}

/* 品牌块 */
.footer__brandcol { display: grid; gap: 16px; align-content: start; }
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: -moz-fit-content;
  width: fit-content;
}
.footer__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--glow-cyan);
  border-radius: var(--r);
  color: var(--glow-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  background: rgba(43, 227, 210, .08);
}
.footer__brandname {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .01em;
  color: #FFFFFF;
}
.footer__desc {
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: #9FB9C6;
}
.footer__meta {
  display: grid;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--line-steel);
}
.footer__metaitem {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 8px;
}
.footer__metanum {
  min-width: 58px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--glow-cyan);
}
.footer__metatext { font-size: 13.5px; color: #9FB9C6; }

/* 索引列 */
.footer__nav {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
}
.footer__col { display: grid; gap: 12px; align-content: start; }
.footer__coltitle {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-narrow);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  color: #FFFFFF;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-steel);
}
.footer__colidx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--glow-cyan);
}
.footer__list { display: grid; gap: 7px; }
.footer__link {
  display: inline-block;
  font-size: 14.5px;
  color: #9FB9C6;
  transition: color .18s ease, transform .18s ease;
}
.footer__link:hover { color: var(--glow-cyan); transform: translateX(3px); }

/* 联系列 */
.footer__contact { display: grid; gap: 12px; align-content: start; }
.footer__contactlist { display: grid; gap: 0; }
.footer__contactrow {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(36, 80, 111, .8);
}
.footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate-500);
  padding-top: 3px;
}
.footer__value {
  font-size: 13.5px;
  line-height: 1.65;
  color: #D6E8EF;
  word-break: break-word;
}
.footer__note {
  font-size: 12.5px;
  line-height: 1.75;
  color: #7E97A6;
}

/* 法务行 */
.footer__legal {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 16px var(--gutter) 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(36, 80, 111, .8);
}
.footer__legalitem {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate-500);
}
.footer__legalitem--icp { color: #7E97A6; }

/* ==========================================================================
   16. 动效（滚动显现 / 时间轴 / 错峰）
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .55s ease, transform .55s cubic-bezier(.22, .7, .28, 1);
  }
  .js [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .timeline__node::before { transform: scaleY(1); }
  .cmdbar__progressbar { transition: none; }
}

/* ---------- 17. 平板微调 ---------- */
@media (min-width: 768px) and (max-width: 1080px) {
  body { font-size: 16.5px; }
  .footer__legal { flex-wrap: nowrap; }
}