/* ============================================================
   /assets/site.css — 环球体育赛场 共享外壳
   深空蓝夜幕 + 荧光青命令栏 + 粗野主义硬阴影
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--ff-sans);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 500;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[hidden] { display: none !important; }

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

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

a { color: inherit; }

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

button { font: inherit; color: inherit; }

:root {
  /* 色彩系统 */
  --ink-900: #060B1E;
  --ink-800: #0B1531;
  --ink-700: #16224A;
  --edge: #243362;
  --cyan: #2BF0C8;
  --cyan-lt: #8DFBEA;
  --orange: #FF6A2B;
  --violet: #A46BFF;
  --paper: #F4F7FF;
  --mist: #9AA7C7;
  --warm: #F7F5EF;

  /* 字体 */
  --ff-sans: "HarmonyOS Sans SC", "Source Han Han Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --ff-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 尺寸 */
  --bar-h: 56px;
  --bar-h-sm: 44px;
  --wrap: 1240px;
  --r: 6px;
  --pad-x: clamp(18px, 4vw, 44px);
}

/* ---------- 基础排版 ---------- */

.display,
h1.display {
  font-size: clamp(38px, 6.4vw, 88px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.02em;
}

.h2, h2.h2 {
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.01em;
}

.h3, h3.h3 {
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.3;
}

.mono {
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.note-v {
  writing-mode: vertical-rl;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}

.chap-num {
  font-family: var(--ff-mono);
  font-size: clamp(64px, 9vw, 132px);
  font-weight: 700;
  line-height: .84;
  letter-spacing: -.03em;
  color: var(--ink-700);
  -webkit-text-stroke: 2px var(--edge);
}

.prose {
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
  color: #D6DDEF;
}

.prose p { margin-bottom: 1.15em; }
.prose strong { color: var(--paper); font-weight: 800; }
.prose a { color: var(--cyan-lt); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--cyan); }

/* ---------- 焦点与可达性 ---------- */

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

#main-content {
  display: block;
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  display: inline-block;
  padding: 10px 18px;
  background: var(--cyan);
  color: #04121f;
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid #04121f;
  border-radius: 4px;
  transition: top .18s ease;
}

.skip-link:focus { top: 10px; }

/* ---------- 布局 ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
  gap: clamp(20px, 3vw, 48px);
  align-items: start;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 24px);
}

.section {
  padding-block: clamp(56px, 8vw, 96px) clamp(40px, 6vw, 72px);
}

/* ---------- 通用按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .82em 1.5em;
  border: 2px solid var(--edge);
  border-radius: var(--r);
  background: var(--ink-700);
  color: var(--paper);
  font-family: var(--ff-sans);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 0 0 var(--ink-800);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 4px 0 0 var(--ink-800);
  color: var(--cyan-lt);
}

.btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 0 var(--ink-800);
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan) 0%, #4AEAD6 48%, var(--cyan-lt) 100%);
  border-color: var(--cyan);
  color: #04121f;
}

.btn--primary:hover { color: #04121f; border-color: var(--cyan-lt); }

.btn--ghost {
  background: transparent;
  border-color: var(--edge);
  color: var(--paper);
  box-shadow: 0 8px 0 0 rgba(36, 51, 98, .45);
}

.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- 卡片 ---------- */

.card {
  border: 2px solid var(--edge);
  border-radius: var(--r);
  background: var(--ink-800);
  padding: clamp(18px, 2.4vw, 28px);
  box-shadow: 0 8px 0 0 var(--ink-700);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 4px 0 0 var(--ink-700);
}

/* ---------- 标签 / 状态 ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--edge);
  border-radius: 3px;
  background: rgba(43, 240, 200, .07);
  color: var(--cyan);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.chip--warm { color: var(--orange); background: rgba(255, 106, 43, .1); border-color: rgba(255, 106, 43, .4); }
.chip--violet { color: var(--violet); background: rgba(164, 107, 255, .1); border-color: rgba(164, 107, 255, .4); }

.status {
  font-family: var(--ff-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--orange);
}

.rule {
  height: 2px;
  border: 0;
  margin: 0;
  background: var(--edge);
}

/* ---------- 面包屑 ---------- */

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

.crumbs a { color: var(--mist); text-decoration: none; }
.crumbs a:hover { color: var(--cyan); }
.crumbs__sep { color: var(--edge); }
.crumbs [aria-current="page"] { color: var(--paper); }

/* ---------- 图片容器基础 ---------- */

.fig {
  margin: 0;
  border: 2px solid var(--edge);
  border-radius: var(--r);
  background: var(--ink-800);
  overflow: hidden;
  box-shadow: 0 8px 0 0 var(--ink-700);
}

.fig__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(43, 240, 200, .16), transparent 58%),
    radial-gradient(110% 90% at 88% 96%, rgba(164, 107, 255, .16), transparent 60%),
    var(--ink-700);
  overflow: hidden;
}

.fig__frame--tall { aspect-ratio: 4 / 5; }
.fig__frame--square { aspect-ratio: 1 / 1; }

.fig img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.84) contrast(1.08) saturate(.9);
}

.fig__cap {
  padding: 10px 14px;
  border-top: 2px solid var(--edge);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 表格基础 ---------- */

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.tbl th,
.tbl td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--edge);
}

.tbl thead th {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
  border-bottom: 2px solid var(--edge);
  white-space: nowrap;
}

.tbl tbody tr { transition: background-color .16s ease; }
.tbl tbody tr:hover { background: rgba(22, 34, 74, .7); }
.tbl tbody tr:hover td:first-child { box-shadow: inset 2px 0 0 var(--cyan); }
.tbl .num { font-family: var(--ff-mono); font-variant-numeric: tabular-nums; color: var(--cyan-lt); }

/* ============================================================
   命令栏 / HEADER
   ============================================================ */

.cmdbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink-900);
  border-bottom: 2px solid var(--edge);
}

.cmdbar__bar {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  min-height: var(--bar-h);
  padding-inline: clamp(14px, 3vw, 32px);
  transition: min-height .2s ease;
}

.cmdbar[data-scrolled="true"] .cmdbar__bar { min-height: var(--bar-h-sm); }

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

.brand__mark {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  flex: none;
  border: 2px solid var(--cyan);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--orange);
}

.brand__text {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand__sub {
  margin-left: 7px;
  padding-left: 8px;
  border-left: 1px solid var(--edge);
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
}

/* 赛季标签 */
.cmdbar__season {
  display: flex;
  align-items: baseline;
  gap: 7px;
  flex: none;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.cmdbar__season-k { color: #5A6A93; }

.cmdbar__season-v {
  display: inline-block;
  color: var(--cyan);
  font-weight: 700;
  transition: opacity .12s ease, transform .12s ease;
}

.cmdbar__season-v.is-flip {
  opacity: .2;
  transform: translateY(-4px);
}

/* 导航 */
.cmdnav {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
}

.cmdnav__eyebrow { display: none; }

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

.cmdnav__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 2px solid transparent;
  border-radius: 4px;
  color: #C4CDE6;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.cmdnav__num {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: #54648C;
  transition: color .16s ease;
}

.cmdnav__txt { display: inline-block; }

.cmdnav__link:hover {
  color: var(--paper);
  background: var(--ink-700);
  border-color: var(--edge);
}

.cmdnav__link:hover .cmdnav__num { color: var(--cyan); }

.cmdnav__link[aria-current="page"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121f;
}

.cmdnav__link[aria-current="page"] .cmdnav__num { color: #0A5C4F; }

.cmdnav__foot { display: none; }

/* 工具区 */
.cmdbar__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: none;
}

.tool {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 4px 11px;
  border: 2px solid var(--edge);
  border-radius: 4px;
  background: var(--ink-800);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.tool:hover { border-color: var(--cyan); color: var(--cyan-lt); }
.tool[aria-expanded="true"] { border-color: var(--cyan); background: var(--ink-700); color: var(--cyan); }

.tool__kbd {
  padding: 1px 5px;
  border: 1px solid var(--edge);
  border-radius: 3px;
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--mist);
}

.tool--drawer { background: var(--ink-700); }

/* 移动导航按钮 */
.navbtn {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 4px 10px;
  border: 2px solid var(--edge);
  border-radius: 4px;
  background: var(--ink-800);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.navbtn__box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
  height: 14px;
}

.navbtn__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform .18s ease, opacity .18s ease;
}

.navbtn[aria-expanded="true"] { border-color: var(--cyan); color: var(--cyan); }
.navbtn[aria-expanded="true"] .navbtn__bar:first-child { transform: translateY(3px) rotate(45deg); }
.navbtn[aria-expanded="true"] .navbtn__bar:last-child { transform: translateY(-3px) rotate(-45deg); }

/* 快速跳转面板 */
.quickjump {
  position: absolute;
  top: 100%;
  right: clamp(14px, 3vw, 32px);
  z-index: 72;
  width: min(360px, calc(100vw - 28px));
  padding: 16px;
  border: 2px solid var(--cyan);
  border-radius: var(--r);
  background: var(--ink-800);
  box-shadow: 0 8px 0 0 rgba(43, 240, 200, .2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.quickjump[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.quickjump__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.quickjump__input {
  width: 100%;
  padding: 9px 12px;
  border: 2px solid var(--edge);
  border-radius: 4px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--ff-sans);
  font-size: 15px;
}

.quickjump__input::placeholder { color: #5A6A93; }
.quickjump__input:focus-visible { border-color: var(--cyan); }

.quickjump__list { margin-top: 10px; }

.quickjump__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 11px;
  border-left: 2px solid transparent;
  color: #C4CDE6;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color .14s ease, border-color .14s ease, background-color .14s ease;
}

.quickjump__link::after {
  content: "→";
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--edge);
}

.quickjump__link:hover {
  color: var(--paper);
  background: var(--ink-700);
  border-left-color: var(--cyan);
}

.quickjump__link:hover::after { color: var(--cyan); }

.quickjump__empty,
.quickjump__hint {
  margin-top: 10px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.quickjump__empty { color: var(--orange); }

/* 对照表抽屉 */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 82;
  display: flex;
  flex-direction: column;
  width: min(382px, 92vw);
  height: 100dvh;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan);
  box-shadow: -8px 0 0 0 rgba(6, 11, 30, .8);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform .26s ease, visibility .26s ease;
  overflow-y: auto;
}

.drawer[data-open="true"] {
  transform: none;
  visibility: visible;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 2px solid var(--edge);
  background: var(--ink-700);
}

.drawer__title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .04em;
}

.drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid var(--edge);
  border-radius: 4px;
  background: var(--ink-800);
  color: var(--paper);
  font-size: 15px;
  cursor: pointer;
  transition: border-color .16s ease, color .16s ease;
}

.drawer__close:hover { border-color: var(--cyan); color: var(--cyan); }

.drawer__body {
  padding: 22px 20px 32px;
  display: grid;
  gap: 26px;
}

.drawer__label {
  margin-bottom: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.season-set { display: flex; flex-wrap: wrap; gap: 8px; }

.season-btn {
  padding: 7px 12px;
  border: 2px solid var(--edge);
  border-radius: 4px;
  background: var(--ink-700);
  color: var(--mist);
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.season-btn:hover { border-color: var(--cyan); color: var(--cyan-lt); }

.season-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121f;
  font-weight: 700;
}

.drawer__status {
  min-height: 20px;
  margin-top: 10px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.drawer__list { display: grid; gap: 2px; }

.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 10px;
  border-bottom: 1px solid var(--edge);
  border-left: 2px solid transparent;
  color: #C4CDE6;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color .14s ease, border-color .14s ease, background-color .14s ease;
}

.drawer__arw { font-family: var(--ff-mono); color: var(--edge); transition: color .14s ease, transform .14s ease; }

.drawer__link:hover {
  color: var(--paper);
  background: var(--ink-700);
  border-left-color: var(--cyan);
}

.drawer__link:hover .drawer__arw { color: var(--cyan); transform: translateX(3px); }

.drawer__scrim {
  position: fixed;
  inset: 0;
  z-index: 76;
  background: rgba(4, 8, 20, .68);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s ease;
}

.drawer__scrim[data-open="true"] { opacity: 1; visibility: visible; }

body.is-locked { overflow: hidden; }

/* ============================================================
   FOOTER
   ============================================================ */

.foot {
  position: relative;
  background: var(--ink-800);
  border-top: 2px solid var(--edge);
}

.foot::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 18%, var(--edge) 18%, var(--edge) 62%, var(--violet) 62%, var(--violet) 72%, var(--orange) 72%, var(--orange) 76%, var(--edge) 76%);
  opacity: .9;
}

.foot__inner { padding-block: clamp(40px, 6vw, 72px) 0; }

.foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
  padding-bottom: clamp(32px, 4vw, 52px);
}

.foot__motto {
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.015em;
}

.foot__motto em { font-style: normal; color: var(--cyan); }

.foot__lede {
  max-width: 34em;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.foot__ticks {
  height: 76px;
  border-bottom: 2px solid var(--edge);
  background-image: repeating-linear-gradient(90deg, var(--edge) 0 2px, transparent 2px 16px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 22%, #000 78%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 22%, #000 78%, transparent);
  opacity: .95;
}

.foot__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 48px);
  padding-block: clamp(32px, 4vw, 48px);
  border-top: 2px solid var(--edge);
}

.foot__h {
  margin-bottom: 14px;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.foot__list { display: grid; gap: 2px; }
.foot__list--plain { gap: 12px; }

.foot__link {
  display: inline-block;
  padding: 5px 0;
  color: #C4CDE6;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.foot__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.foot__contact {
  display: grid;
  gap: 3px;
  font-size: 14px;
  line-height: 1.6;
}

.foot__contact-k {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #5A6A93;
}

.foot__contact-v { color: #C4CDE6; word-break: break-word; }

.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px 26px;
  border-top: 2px solid var(--edge);
  font-family: var(--ff-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.foot__copy { color: var(--mist); }
.foot__icp { color: #5A6A93; }

/* ============================================================
   显现动效（页面阶段用 data-reveal）
   ============================================================ */

html[data-js="true"] [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .24s ease, transform .24s ease;
}

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

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1080px) {
  .cmdnav__num { display: none; }
  .cmdnav__link { padding: 8px 9px; font-size: 13.5px; }
  .cmdbar__season { font-size: 11px; }
}

@media (max-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .navbtn { display: inline-flex; }
  .cmdbar__season { display: none; }
  .tool__kbd { display: none; }

  .cmdnav {
    position: fixed;
    top: var(--bar-h);
    left: 0;
    bottom: 0;
    z-index: 78;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: min(330px, 88vw);
    padding: 26px 22px 36px;
    background: var(--ink-800);
    border-right: 2px solid var(--cyan);
    box-shadow: 8px 0 0 0 rgba(6, 11, 30, .7);
    overflow-y: auto;
    transform: translateX(-102%);
    visibility: hidden;
    transition: transform .26s ease, visibility .26s ease;
  }

  .cmdnav[data-open="true"] { transform: none; visibility: visible; }

  .cmdnav__eyebrow {
    display: block;
    margin-bottom: 20px;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--cyan);
  }

  .cmdnav__list {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-left: 20px;
  }

  .cmdnav__list::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--cyan), var(--edge) 62%);
  }

  .cmdnav__item { position: relative; }

  .cmdnav__item::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 50%;
    width: 9px;
    height: 9px;
    margin-top: -5px;
    background: var(--ink-900);
    border: 2px solid var(--edge);
    border-radius: 50%;
  }

  .cmdnav__link {
    display: flex;
    justify-content: flex-start;
    padding: 13px 10px 13px 12px;
    border: 2px solid transparent;
    border-left-width: 2px;
    font-size: 16px;
  }

  .cmdnav__num { display: inline-block; font-size: 11px; }

  .cmdnav__link[aria-current="page"] {
    background: var(--ink-700);
    border-color: var(--edge);
    border-left-color: var(--cyan);
    color: var(--paper);
  }

  .cmdnav__link[aria-current="page"] .cmdnav__num { color: var(--cyan); }

  .cmdnav__foot {
    display: block;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--edge);
    font-family: var(--ff-mono);
    font-size: 11.5px;
    line-height: 1.7;
    letter-spacing: .06em;
    color: var(--mist);
  }

  body.is-nav-open { overflow: hidden; }

  .foot__top { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .foot__ticks { height: 46px; }
}

@media (max-width: 760px) {
  .foot__grid { grid-template-columns: minmax(0, 1fr); }
  .foot__bottom { flex-direction: column; align-items: flex-start; }
  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .drawer {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 88dvh;
    border-left: 0;
    border-top: 2px solid var(--cyan);
    box-shadow: 0 -8px 0 0 rgba(6, 11, 30, .8);
    transform: translateY(102%);
  }

  .drawer[data-open="true"] { transform: none; }

  .brand__sub { display: none; }
  .tool[data-jump-toggle] { display: none; }

  .quickjump {
    left: clamp(14px, 3vw, 32px);
    right: clamp(14px, 3vw, 32px);
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  html[data-js="true"] [data-reveal] { opacity: 1; transform: none; }
  .card:hover, .btn:hover { transform: none; }
}