/* ==========================================================
   飞亚体育赛事 · 共享站点样式 /assets/site.css
   深空蓝蓝图基底 + 荧光青数据强调 + 活力橙主操作
   ========================================================== */

/* ---------- 变量 ---------- */
:root {
  --ink-900: #06121F;
  --ink-800: #0A1F33;
  --ink-700: #0E2942;
  --line: #1E3A52;
  --line-soft: rgba(30, 58, 82, .55);
  --line-dim: #41688A;
  --cyan: #20E3D2;
  --orange: #FF7A1A;
  --violet: #8B7BFF;
  --ice: #EAF4FF;
  --mist: #93A9BD;
  --green: #52E08A;
  --red: #FF5D6C;

  --font-head: "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: var(--font-head);
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --radius-s: 4px;
  --radius-m: 10px;
  --radius-l: 18px;
  --shell-max: 1440px;
  --gutter: clamp(16px, 3.2vw, 44px);
  --dur: .22s;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

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

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

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

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

img, svg, picture, video { max-width: 100%; }
img { height: auto; border: 0; }

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

a { color: inherit; }

table { border-collapse: collapse; }

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(30, 58, 82, .38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 82, .38) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--ice);
}

h1 { font-size: clamp(30px, 4.4vw, 44px); line-height: 1.18; }
h2 { font-size: clamp(24px, 3vw, 30px); line-height: 1.26; }
h3 { font-size: clamp(19px, 2vw, 22px); line-height: 1.36; }
h4 { font-size: 17px; line-height: 1.45; }

strong { font-weight: 700; color: var(--ice); }

code, kbd, samp, .num {
  font-family: var(--font-mono);
  font-size: .94em;
  letter-spacing: .01em;
}

::selection {
  background: rgba(32, 227, 210, .32);
  color: #ffffff;
}

.prose p { max-width: 46em; }
.prose p + p { margin-top: 14px; }

#main-content {
  display: block;
  scroll-margin-top: 128px;
  outline: none;
}

/* ---------- 跳转链接与焦点 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 120;
  padding: 10px 18px;
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  background: var(--cyan);
  color: #001a18;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-shell {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 32px var(--gutter) 0;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

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

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

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.btn--primary {
  background: var(--orange);
  color: #180800;
  box-shadow: 0 10px 26px -16px rgba(255, 122, 26, .95);
}
.btn--primary:hover { background: #ff9040; }

.btn--cyan {
  background: var(--cyan);
  color: #002a27;
}
.btn--cyan:hover { background: #5cf0e3; }

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ice);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(32, 227, 210, .08);
}

.btn--quiet {
  background: rgba(10, 31, 51, .75);
  border-color: var(--line-soft);
  color: var(--mist);
}
.btn--quiet:hover {
  border-color: var(--line);
  color: var(--ice);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  margin: 0 0 22px;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--line-dim);
}

.breadcrumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.breadcrumbs__list a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.breadcrumbs__list a:hover { color: var(--cyan); }

.breadcrumbs__list [aria-current="page"] { color: var(--ice); }

/* ---------- 眉题 ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  flex: 0 0 auto;
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(10, 31, 51, .94), rgba(7, 22, 37, .94));
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid rgba(32, 227, 210, .5);
  border-right: 2px solid rgba(32, 227, 210, .5);
  border-radius: 0 var(--radius-m) 0 0;
  opacity: .55;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(32, 227, 210, .45);
  box-shadow: 0 20px 44px -30px rgba(32, 227, 210, .8);
}

.card:hover::before { opacity: 1; }

.card__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

.card__body {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.card__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--line-dim);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 31, 51, .85);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--cyan {
  color: var(--cyan);
  border-color: rgba(32, 227, 210, .45);
  background: rgba(32, 227, 210, .1);
}
.tag--orange {
  color: var(--orange);
  border-color: rgba(255, 122, 26, .45);
  background: rgba(255, 122, 26, .1);
}
.tag--violet {
  color: var(--violet);
  border-color: rgba(139, 123, 255, .45);
  background: rgba(139, 123, 255, .12);
}
.tag--green {
  color: var(--green);
  border-color: rgba(82, 224, 138, .45);
  background: rgba(82, 224, 138, .1);
}
.tag--red {
  color: var(--red);
  border-color: rgba(255, 93, 108, .45);
  background: rgba(255, 93, 108, .1);
}

/* ---------- 数据读数 ---------- */
.stat {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: rgba(10, 31, 51, .7);
}

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.stat__label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 图片容器（页面阶段放置图片） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  aspect-ratio: 16 / 9;
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(30, 58, 82, .7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 82, .7) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .4;
  pointer-events: none;
}

.media-frame img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 28px 16px 12px;
  background: linear-gradient(180deg, transparent, rgba(6, 18, 31, .92));
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
}

/* ---------- 对比表 ---------- */
.data-table {
  width: 100%;
  font-size: 14px;
  color: var(--ice);
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.data-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--line-dim);
  border-bottom: 1px solid var(--line);
}

.data-table tbody tr {
  transition: background var(--dur) var(--ease);
}
.data-table tbody tr:hover { background: rgba(32, 227, 210, .06); }

.data-table .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 折叠模块 ---------- */
.fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(10, 31, 51, .72);
  overflow: hidden;
}

.fold + .fold { margin-top: 10px; }

.fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 700;
  color: var(--ice);
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.fold__summary::-webkit-details-marker { display: none; }
.fold__summary::marker { content: ""; }

.fold__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.fold[open] > .fold__summary::after { content: "\2013"; }
.fold__summary:hover { background: rgba(32, 227, 210, .07); }

.fold__body {
  padding: 0 18px 18px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

/* ==========================================================
   页头
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: linear-gradient(180deg, rgba(6, 18, 31, .99), rgba(6, 18, 31, .93));
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.command-bar__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 10px var(--gutter);
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ice);
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 3px;
  background: linear-gradient(140deg, #20E3D2 0%, #14B6C9 58%, #0C7FA8 100%);
  color: #04161b;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1;
  box-shadow: 0 0 0 1px rgba(32, 227, 210, .38), 0 10px 22px -14px rgba(32, 227, 210, .95);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.brand__name {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.25;
  white-space: nowrap;
}

.brand__line {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.4;
  color: var(--mist);
  white-space: nowrap;
}

/* 命令条工具区 */
.command-bar__tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.version-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 31, 51, .8);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--mist);
  white-space: nowrap;
}

.version-chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(82, 224, 138, .9);
}

.tool-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(10, 31, 51, .65);
  color: var(--ice);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.tool-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(32, 227, 210, .08);
}

.tool-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-s);
  background: var(--orange);
  color: #180800;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 10px 22px -16px rgba(255, 122, 26, .95);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.tool-cta:hover {
  background: #ff9040;
  box-shadow: 0 12px 26px -14px rgba(255, 122, 26, 1);
}

/* 移动端索引按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(10, 31, 51, .85);
  color: var(--ice);
  font-size: 13px;
  letter-spacing: .04em;
  line-height: 1.6;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
  height: 14px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* 命令栏导航 */
.command-nav {
  border-top: 1px solid var(--line-soft);
  background: rgba(10, 31, 51, .55);
}

.command-nav__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.command-nav__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.command-nav__list a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  color: var(--mist);
  font-size: 14px;
  letter-spacing: .03em;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.command-nav__list a:hover {
  color: var(--ice);
  background: rgba(32, 227, 210, .08);
}

.command-nav__list a[aria-current="page"] {
  color: var(--cyan);
  background: rgba(32, 227, 210, .1);
}

.command-nav__list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(32, 227, 210, 0));
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--line-dim);
  transition: color var(--dur) var(--ease);
}

.command-nav__list a:hover .nav-index,
.command-nav__list a[aria-current="page"] .nav-index { color: var(--cyan); }

.command-nav__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--line-dim);
  white-space: nowrap;
}

/* 滚动进度 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.scroll-meter::after {
  content: "";
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width .12s linear;
}

/* ==========================================================
   页脚
   ========================================================== */
.site-footer {
  margin-top: 72px;
  background: linear-gradient(180deg, rgba(6, 18, 31, .9), #040C15 72%);
  border-top: 1px solid var(--line);
}

.footer-rail {
  background: rgba(10, 31, 51, .92);
  border-bottom: 1px solid var(--line);
}

.footer-rail__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--line-dim);
}

.footer-rail__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.footer-rail__label::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--cyan);
}

.footer-rail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-body__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 46px var(--gutter) 34px;
  display: grid;
  grid-template-columns: minmax(240px, 1.5fr) minmax(150px, 1fr) minmax(200px, 1.2fr);
  gap: 36px;
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--line-dim);
}

.footer-brand {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ice);
}

.footer-desc {
  margin: 0 0 16px;
  max-width: 34ch;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.footer-version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 5px 11px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.footer-nav__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav__list a {
  display: inline-block;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.footer-nav__list a:hover {
  color: var(--cyan);
  padding-left: 5px;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list__label {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--line-dim);
}

.contact-list__value {
  display: inline-block;
  color: var(--ice);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

.footer-base {
  border-top: 1px solid var(--line);
}

.footer-base__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 18px var(--gutter) 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 12.5px;
  color: var(--mist);
}

.footer-copy,
.footer-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--line-dim);
}

.footer-legal__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal__list a {
  color: var(--mist);
  font-size: 12.5px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer-legal__list a:hover {
  color: var(--ice);
  border-bottom-color: var(--cyan);
}

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 1150px) {
  .footer-body__inner {
    grid-template-columns: minmax(220px, 1.4fr) minmax(140px, 1fr) minmax(180px, 1.1fr);
    gap: 28px;
  }
}

@media (max-width: 1024px) {
  .page-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 24px;
  }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .command-nav { display: none; border-top: 1px solid var(--line); }

  .command-nav[data-open="true"] { display: block; }

  .command-nav__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 16px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .command-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    flex-wrap: nowrap;
  }

  .command-nav__list li { border-bottom: 1px solid var(--line-soft); }
  .command-nav__list li:last-child { border-bottom: 0; }

  .command-nav__list a {
    width: 100%;
    padding: 12px 8px;
    font-size: 15px;
    border-radius: 0;
  }

  .command-nav__list a[aria-current="page"]::after { display: none; }

  .command-nav__hint { display: none; }

  .footer-body__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    padding-top: 36px;
  }

  .footer-col--brand { grid-column: 1 / -1; }

  .site-footer { margin-top: 56px; }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; background-size: 56px 56px; }

  .brand__line { display: none; }
  .tool-link { display: none; }
  .tool-cta { padding: 7px 12px; font-size: 12.5px; }

  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .footer-rail__inner { font-size: 10.5px; letter-spacing: .1em; }
  .footer-body__inner { padding-bottom: 24px; }
}

@media (max-width: 560px) {
  .version-chip { display: none; }
  .brand__mark { width: 34px; height: 34px; font-size: 12.5px; }
  .brand__name { font-size: 15.5px; }
  .nav-toggle__label { display: none; }

  .footer-body__inner { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .footer-base__inner { flex-direction: column; align-items: flex-start; }
  .card { padding: 18px; }
}

@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;
  }

  .scroll-meter::after { transition: none; }
}