/* ==========================================================================
   火狐体育赛场 · 共享站点样式 /assets/site.css
   赛场夜光 + 数据流：珠宝色分区 / 粗边框硬阴影 / 等宽索引
   ========================================================================== */

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

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

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

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

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

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

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

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

hr { border: 0; }

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

/* ---------- 2. 设计变量 ---------- */
:root {
  /* 品牌色 */
  --hx-orange: #FF5A1F;
  --hx-red: #B3151F;
  --hx-ink: #121014;
  --hx-teal: #06373A;
  --hx-wine: #4E1220;
  --hx-indigo: #231A5C;
  --hx-mint: #1FE0B0;
  --hx-cream: #F3EFE6;
  --hx-gray: #8C949C;
  --hx-white: #FFFFFF;

  /* 字体 */
  --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
             system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas,
               "Liberation Mono", "Courier New", monospace;

  /* 字号阶梯 56 / 40 / 28 / 20 */
  --fs-xxl: clamp(2.1rem, 1.3rem + 2.6vw, 3.5rem);
  --fs-xl: clamp(1.7rem, 1.2rem + 1.7vw, 2.5rem);
  --fs-l: clamp(1.32rem, 1.1rem + 0.9vw, 1.75rem);
  --fs-m: clamp(1.08rem, 1rem + 0.35vw, 1.25rem);
  --fs-body: 1rem;
  --lh-body: 1.8;
  --measure: 34em;

  /* 尺度 */
  --gap: 24px;
  --gap-s: 12px;
  --gap-l: 48px;
  --wrap: 1280px;
  --pad: clamp(16px, 3vw, 32px);

  /* 形状 */
  --bd: 2px;
  --radius: 2px;
  --shadow-hard: 8px 8px 0 0 rgba(10, 8, 12, 0.9);
  --shadow-ink: 8px 8px 0 0 var(--hx-ink);
  --header-h: 68px;
  --sticky-top: 88px;
}

/* ---------- 3. 基础与中文排版 ---------- */
body {
  background-color: var(--hx-ink);
  color: var(--hx-white);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

p, li { text-wrap: pretty; }

#main-content { display: block; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--hx-mint);
}

/* ---------- 4. 布局骨架 ---------- */
.wrap {
  width: min(100% - (var(--pad) * 2), var(--wrap));
  margin-inline: auto;
}

.stack > * + * { margin-top: var(--gap); }
.stack--tight > * + * { margin-top: var(--gap-s); }
.stack--loose > * + * { margin-top: var(--gap-l); }

.grid {
  display: grid;
  gap: var(--gap);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* 左右分屏系统 */
.split {
  display: grid;
  grid-template-columns: minmax(240px, 34%) minmax(0, 1fr);
  gap: var(--gap-l);
  align-items: start;
}
.split--wide-rail { grid-template-columns: minmax(260px, 40%) minmax(0, 1fr); }

.rail {
  position: sticky;
  top: var(--sticky-top);
  align-self: start;
  border-left: var(--bd) solid var(--hx-red);
  padding-left: 18px;
}
.rail__sticky { position: static; }

/* 珠宝色分区 */
.zone {
  padding-block: clamp(36px, 5vw, 72px);
  background-color: var(--hx-ink);
  color: var(--hx-cream);
}
.zone--ink { background-color: var(--hx-ink); color: var(--hx-cream); }
.zone--teal { background-color: var(--hx-teal); color: var(--hx-cream); }
.zone--wine { background-color: var(--hx-wine); color: var(--hx-cream); }
.zone--indigo { background-color: var(--hx-indigo); color: var(--hx-cream); }
.zone--cream { background-color: var(--hx-cream); color: var(--hx-ink); }
.zone--cream .lede,
.zone--cream .prose { color: #2B2620; }
.zone--cream .tag { border-color: rgba(18, 16, 20, 0.45); color: var(--hx-ink); }
.zone--cream .eyebrow { color: var(--hx-red); }

/* ---------- 5. 文字层级 ---------- */
.hx-display {
  display: inline-block;
  font-weight: 800;
  font-size: var(--fs-xxl);
  line-height: 1.12;
  letter-spacing: 0.01em;
  transform: skewX(-1.5deg);
  -webkit-text-stroke: 1px var(--hx-orange);
  paint-order: stroke fill;
  text-wrap: balance;
}

.sec-title {
  display: inline-block;
  font-weight: 800;
  font-size: var(--fs-l);
  line-height: 1.3;
  letter-spacing: 0.01em;
  transform: skewX(-1.5deg);
  color: var(--hx-white);
}
.zone--cream .sec-title { color: var(--hx-ink); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--hx-mint);
}
.eyebrow::before { content: "["; color: var(--hx-orange); }
.eyebrow::after { content: "]"; color: var(--hx-orange); }

.lede {
  font-size: var(--fs-m);
  line-height: 1.75;
  color: var(--hx-cream);
  max-width: 38em;
}

.prose {
  max-width: var(--measure);
  color: var(--hx-cream);
}
.prose p + p { margin-top: 1.05em; }
.prose h2,
.prose h3 {
  font-weight: 800;
  line-height: 1.35;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  color: var(--hx-white);
}
.prose h2 { font-size: var(--fs-l); }
.prose h3 { font-size: var(--fs-m); }
.prose strong { color: var(--hx-mint); font-weight: 700; }
.prose a {
  color: var(--hx-orange);
  border-bottom: 2px solid rgba(255, 90, 31, 0.45);
}
.prose a:hover { border-bottom-color: var(--hx-orange); }
.zone--cream .prose h2,
.zone--cream .prose h3 { color: var(--hx-ink); }
.zone--cream .prose strong { color: var(--hx-red); }

/* ---------- 6. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.4;
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  background-color: var(--hx-orange);
  color: var(--hx-ink);
  box-shadow: 6px 6px 0 0 var(--hx-red);
  transition: transform 0.18s ease-out, box-shadow 0.18s ease-out,
              background-color 0.18s ease-out, color 0.18s ease-out;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 0 var(--hx-red);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 0 var(--hx-red);
}
.btn--ghost {
  background-color: transparent;
  color: var(--hx-cream);
  border-color: var(--hx-cream);
  box-shadow: 6px 6px 0 0 rgba(140, 148, 156, 0.45);
}
.btn--ghost:hover {
  background-color: var(--hx-mint);
  color: var(--hx-ink);
  border-color: var(--hx-mint);
  box-shadow: 8px 8px 0 0 var(--hx-teal);
}
.btn--line {
  background-color: transparent;
  color: var(--hx-orange);
  border-color: var(--hx-orange);
  box-shadow: none;
}
.btn--line:hover {
  background-color: var(--hx-orange);
  color: var(--hx-ink);
  box-shadow: 6px 6px 0 0 var(--hx-red);
}
.btn--sm { padding: 8px 14px; font-size: 0.82rem; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.6;
  border: var(--bd) solid var(--hx-gray);
  border-radius: var(--radius);
  color: var(--hx-cream);
}
.tag--live { border-color: var(--hx-mint); color: var(--hx-mint); }
.tag--hot { border-color: var(--hx-orange); color: var(--hx-orange); }
.tag--fill {
  background-color: var(--hx-red);
  border-color: var(--hx-red);
  color: var(--hx-white);
}

.card {
  position: relative;
  padding: 22px;
  background-color: var(--hx-teal);
  color: var(--hx-cream);
  border: var(--bd) solid rgba(243, 239, 230, 0.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}
.card--cream {
  background-color: var(--hx-cream);
  color: var(--hx-ink);
  border-color: var(--hx-ink);
}
.card--indigo { background-color: var(--hx-indigo); }
.card--wine { background-color: var(--hx-wine); }
.card--ink { background-color: var(--hx-ink); }
.card--flat { box-shadow: none; }
.card--cream .card__title,
.card--cream .sec-title { color: var(--hx-ink); }
.card__title {
  font-size: var(--fs-m);
  font-weight: 800;
  line-height: 1.4;
  color: var(--hx-white);
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--hx-gray);
}
.crumb__item { display: inline-flex; align-items: center; gap: 8px; }
.crumb__sep { color: var(--hx-red); }
.crumb a:hover { color: var(--hx-mint); }
.crumb [aria-current="page"] { color: var(--hx-cream); }

/* 图片容器（供页面阶段放置图片） */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  background-color: var(--hx-teal);
  background-image: linear-gradient(140deg, var(--hx-teal), var(--hx-indigo) 60%, var(--hx-ink));
  isolation: isolate;
}
.media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(243, 239, 230, 0.07) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(243, 239, 230, 0.07) 0 1px, transparent 1px 32px);
}
.media::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  z-index: 2;
  background-image: linear-gradient(90deg, var(--hx-orange), var(--hx-mint));
}
.media > img,
.media > picture > img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--hx-cream);
  background-color: rgba(18, 16, 20, 0.8);
}

/* 时间线 / 更新日志 */
.tl {
  position: relative;
  padding-left: 26px;
}
.tl::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-image: linear-gradient(180deg, var(--hx-orange), var(--hx-red) 45%, var(--hx-mint));
}
.tl__node {
  position: relative;
  padding-bottom: 22px;
}
.tl__node::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 8px;
  width: 12px;
  height: 12px;
  background-color: var(--hx-ink);
  border: 2px solid var(--hx-mint);
  transform: rotate(45deg);
  transition: background-color 0.2s ease-out, border-color 0.2s ease-out;
}
.tl__node:last-child { padding-bottom: 0; }
.tl__node.is-active::before { background-color: var(--hx-orange); border-color: var(--hx-orange); }
.zone--cream .tl__node::before { background-color: var(--hx-cream); }

/* 数据表 */
.tbl { width: 100%; font-size: 0.9rem; }
.tbl th,
.tbl td {
  padding: 10px 12px;
  text-align: left;
  border: 1px solid rgba(140, 148, 156, 0.35);
}
.tbl th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--hx-mint);
  background-color: rgba(18, 16, 20, 0.45);
}
.zone--cream .tbl th { background-color: rgba(18, 16, 20, 0.06); color: var(--hx-red); }

/* 显现与返回顶部 */
.reveal { opacity: 1; }
.is-motion .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.28s ease-out, transform 0.28s ease-out;
}
.is-motion .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--hx-ink);
  background-color: var(--hx-orange);
  border: var(--bd) solid var(--hx-ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 0 var(--hx-red);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease-out, transform 0.2s ease-out, visibility 0.2s linear;
}
.to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* ---------- 7. 顶部命令栏 ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 120;
  padding: 10px 18px;
  font-weight: 800;
  color: var(--hx-ink);
  background-color: var(--hx-orange);
  border-radius: var(--radius);
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

.cmdbar {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--hx-white);
  background-color: var(--hx-ink);
  border-bottom: var(--bd) solid var(--hx-red);
}

.cmdbar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(100% - (var(--pad) * 2), var(--wrap));
  min-height: var(--header-h);
  margin-inline: auto;
  padding-block: 8px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  background-color: var(--hx-orange);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 0 var(--hx-red);
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--hx-ink);
  clip-path: polygon(100% 0, 100% 100%, 46% 100%);
}
.brand__text { display: block; }
.brand__name {
  display: block;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--hx-white);
}
.brand__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
  color: var(--hx-gray);
}

/* 导航 */
.nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav__link {
  display: block;
  padding: 8px 12px;
  font-size: clamp(0.82rem, 0.76rem + 0.22vw, 0.94rem);
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--hx-cream);
  border: var(--bd) solid transparent;
  border-radius: var(--radius);
  transition: background-color 0.18s ease-out, color 0.18s ease-out,
              border-color 0.18s ease-out, box-shadow 0.18s ease-out;
}
.nav__link:hover {
  color: var(--hx-white);
  border-color: var(--hx-red);
}
.nav__link[aria-current="page"] {
  color: var(--hx-ink);
  background-color: var(--hx-orange);
  border-color: var(--hx-orange);
  box-shadow: 3px 3px 0 0 var(--hx-red);
}

/* 工具区 */
.cmdbar__tools {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* 赛区切换器 */
.league { position: relative; }
.league__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--hx-cream);
  background-color: rgba(255, 255, 255, 0.04);
  border: var(--bd) solid var(--hx-gray);
  border-radius: var(--radius);
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}
.league__button:hover { border-color: var(--hx-mint); color: var(--hx-white); }
.league__label { color: var(--hx-gray); }
.league__value { color: var(--hx-mint); }
.league__caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
}
.league__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 30;
  min-width: 190px;
  padding: 6px;
  background-color: var(--hx-teal);
  border: var(--bd) solid var(--hx-mint);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}
.league__menu[hidden] { display: none; }
.league__menu button {
  display: block;
  width: 100%;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-align: left;
  color: var(--hx-cream);
  border-radius: var(--radius);
  transition: background-color 0.16s ease-out, color 0.16s ease-out;
}
.league__menu button:hover {
  color: var(--hx-white);
  background-color: rgba(31, 224, 176, 0.16);
}
.league__menu button[aria-pressed="true"] {
  font-weight: 700;
  color: var(--hx-ink);
  background-color: var(--hx-orange);
}

/* 检索入口 */
.cmdb-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--hx-cream);
  border: var(--bd) dashed var(--hx-gray);
  border-radius: var(--radius);
  transition: border-color 0.18s ease-out, color 0.18s ease-out, border-style 0.18s ease-out;
}
.cmdb-search:hover {
  color: var(--hx-white);
  border-style: solid;
  border-color: var(--hx-orange);
}
.cmdb-search__icon {
  position: relative;
  width: 10px;
  height: 10px;
  border: 2px solid currentColor;
  border-radius: 50%;
}
.cmdb-search__icon::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 7px;
  width: 7px;
  height: 2px;
  background-color: currentColor;
  transform: rotate(45deg);
  transform-origin: left center;
}
.cmdb-search__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--hx-mint);
  animation: hx-pulse 2.4s ease-out infinite;
}
@keyframes hx-pulse {
  0% { box-shadow: 0 0 0 0 rgba(31, 224, 176, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(31, 224, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 224, 176, 0); }
}

/* 移动端抽屉按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--hx-orange);
  border: var(--bd) solid var(--hx-orange);
  border-radius: var(--radius);
  transition: background-color 0.18s ease-out, color 0.18s ease-out;
}
.nav-toggle:hover { background-color: rgba(255, 90, 31, 0.14); }
.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}
.nav-toggle__bar + .nav-toggle__bar { margin-top: 4px; }
.nav-toggle.is-open .nav-toggle__bar:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bar:last-of-type { transform: translateY(-3px) rotate(-45deg); }
.nav-toggle__label { line-height: 1.4; }

/* 阅读进度 */
.readbar {
  height: 4px;
  background-color: rgba(140, 148, 156, 0.18);
}
.readbar__fill {
  display: block;
  width: 0;
  height: 100%;
  background-image: linear-gradient(90deg, var(--hx-orange), var(--hx-red));
  transition: width 0.12s linear;
}

/* ---------- 8. 页脚 ---------- */
.foot {
  margin-top: clamp(40px, 6vw, 88px);
  padding-top: clamp(40px, 5vw, 64px);
  color: var(--hx-cream);
  background-color: var(--hx-ink);
  border-top: 4px solid var(--hx-red);
}
.foot__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr 1fr;
  gap: 32px 24px;
  width: min(100% - (var(--pad) * 2), var(--wrap));
  margin-inline: auto;
}
.foot__block {
  padding-left: 18px;
  border-left: var(--bd) solid rgba(140, 148, 156, 0.28);
}
.foot__block:first-child {
  padding-left: 0;
  border-left: 0;
}
.foot__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--hx-orange);
}
.foot__lead {
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--hx-white);
}
.foot__note {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--hx-cream);
}
.foot__meta {
  margin-top: 10px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--hx-gray);
}
.foot__meta .mono { color: var(--hx-mint); font-weight: 700; }

.foot__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 16px;
}
.foot__list a {
  display: inline-block;
  padding: 3px 0;
  font-size: 0.9rem;
  color: var(--hx-cream);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}
.foot__list a:hover {
  color: var(--hx-mint);
  border-bottom-color: var(--hx-mint);
}

.foot__contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 3px 0;
  font-size: 0.88rem;
  line-height: 1.7;
}
.foot__key {
  flex: 0 0 64px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--hx-gray);
}
.foot__hint {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--hx-gray);
}
.foot__icp {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--hx-cream);
}
.foot__region {
  margin-top: 8px;
  font-size: 0.84rem;
  color: var(--hx-gray);
}

.foot__base {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  justify-content: space-between;
  width: min(100% - (var(--pad) * 2), var(--wrap));
  margin: clamp(28px, 4vw, 44px) auto 0;
  padding: 16px 0 24px;
  border-top: var(--bd) solid rgba(140, 148, 156, 0.28);
}
.foot__copy {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--hx-gray);
}

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1180px) {
  .nav__link { padding: 8px 9px; }
  .brand__tag { display: none; }
}

@media (max-width: 1040px) {
  .split,
  .split--wide-rail { grid-template-columns: minmax(0, 1fr); gap: var(--gap-l); }
  .rail {
    position: static;
    border-left: 0;
    border-top: var(--bd) solid var(--hx-red);
    padding-left: 0;
    padding-top: 14px;
  }
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot__inner { grid-template-columns: 1.3fr 1fr; }
}

@media (max-width: 940px) {
  .cmdbar__inner { flex-wrap: nowrap; gap: 10px; }
  .cmdbar__tools { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    justify-content: flex-start;
    padding: 12px var(--pad) 20px;
    background-color: var(--hx-ink);
    border-top: var(--bd) solid var(--hx-red);
    border-bottom: var(--bd) solid var(--hx-orange);
    box-shadow: 0 8px 0 0 rgba(31, 224, 176, 0.16);
    max-height: min(70vh, 520px);
    overflow-y: auto;
  }
  .nav[data-open="true"] { display: block; }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .nav__link {
    padding: 12px 14px;
    font-size: 1rem;
    border-color: rgba(140, 148, 156, 0.28);
  }
}

@media (max-width: 720px) {
  .cmdb-search__text { display: none; }
  .cmdb-search { padding: 7px 9px; }
  .brand__name { font-size: 0.94rem; }
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .foot__inner { grid-template-columns: 1fr; gap: 24px; }
  .foot__block {
    padding-left: 0;
    padding-top: 16px;
    border-left: 0;
    border-top: var(--bd) solid rgba(140, 148, 156, 0.22);
  }
  .foot__block:first-child { padding-top: 0; border-top: 0; }
  .league__label { display: none; }
}

@media (max-width: 460px) {
  .cmdb-search { display: none; }
  .nav-toggle__label { display: none; }
  .foot__list { grid-template-columns: 1fr 1fr; }
}

/* ---------- 10. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .is-motion .reveal,
  .is-motion .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
  .cmdb-search__dot { animation: none; }
}