/* =========================================================
   6688体育主站 · 共享样式 /assets/site.css
   夜间赛场指挥中心：深墨黑 × 电光青 × 橙红脉冲
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, address { margin: 0; }
ul, ol { list-style: none; margin: 0; padding: 0; }
img, picture, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink: #070B0F;
  --night: #0E151C;
  --panel: #16212B;
  --cyan: #2FE3D6;
  --cyan-soft: #A7F3EE;
  --pulse: #FF5A1F;
  --amber: #FFC24B;
  --green: #3DDC97;
  --mist: #B9C6D2;
  --warm: #F4F7F8;
  --violet: #6C5BFF;

  --line: rgba(47, 227, 214, 0.20);
  --line-soft: rgba(185, 198, 210, 0.14);
  --rail-w: 168px;

  --r-lg: 28px;
  --r-md: 18px;
  --r-sm: 12px;
  --r-pill: 999px;

  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-label: "Barlow Condensed", "Oswald", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

/* ---------- 3. 基底 ---------- */
html:focus-within { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--warm);
  background-color: var(--ink);
  background-image:
    radial-gradient(1180px 600px at 6% -12%, rgba(47, 227, 214, 0.13), transparent 62%),
    radial-gradient(880px 520px at 104% 110%, rgba(255, 90, 31, 0.10), transparent 60%),
    linear-gradient(rgba(244, 247, 248, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 247, 248, 0.022) 1px, transparent 1px);
  background-size: auto, auto, 24px 24px, 24px 24px;
  padding-top: 64px;
  padding-bottom: 78px;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--warm);
}
h1 { font-size: clamp(30px, 6vw, 56px); }
h2 { font-size: clamp(26px, 4.4vw, 40px); }
h3 { font-size: clamp(20px, 3vw, 28px); }
p { overflow-wrap: anywhere; }

main { display: block; }
#main-content { scroll-margin-top: 84px; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.label {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin-right: 8px;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 99;
  padding: 12px 20px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 5. 头部：移动端顶部条 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 8px 16px;
  background: linear-gradient(180deg, rgba(17, 25, 33, 0.98), rgba(11, 17, 23, 0.96));
  border-bottom: 1px solid var(--line);
}

.rail-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand__glyph {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  line-height: 1.2;
  flex: none;
}
.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--warm);
  white-space: nowrap;
}
.brand__sub {
  display: none;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}
.rail-tagline { display: none; }

/* 移动导航按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--cyan-soft);
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav-toggle:hover { background: rgba(47, 227, 214, 0.12); border-color: var(--cyan); transform: translateX(2px); }
.nav-toggle__bars { position: relative; width: 16px; height: 10px; flex: none; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease);
}
.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { bottom: 1px; }
[data-header][data-open] .nav-toggle__bars::before { transform: translateY(3px) rotate(45deg); }
[data-header][data-open] .nav-toggle__bars::after { transform: translateY(-3px) rotate(-45deg); }

/* 移动导航面板 */
.primary-nav {
  position: fixed;
  left: 12px;
  right: 12px;
  top: 74px;
  z-index: 59;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: calc(100vh - 174px);
  max-height: calc(100dvh - 174px);
  overflow-y: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(165deg, #141F29, #0B1117);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.62);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0s linear 0.22s;
}
[data-header][data-open] .primary-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0s linear 0s;
}

.nav-label {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: 0.7;
  margin: 0;
}
.nav-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.nav-link {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  background: rgba(244, 247, 248, 0.035);
  color: var(--mist);
  font-size: 15px;
  position: relative;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.nav-link:hover { background: rgba(47, 227, 214, 0.12); color: var(--cyan-soft); transform: translateX(2px); }
.nav-link[aria-current="page"] {
  background: rgba(47, 227, 214, 0.16);
  color: var(--warm);
}
.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: var(--cyan);
}
.nav-actions { display: grid; gap: 10px; }

.rail-status { display: none; }

/* ---------- 6. 移动底部快捷坞 ---------- */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 61;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
  background: rgba(11, 17, 23, 0.97);
  border-top: 1px solid var(--line);
}
.dock__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 14px;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--mist);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.dock__item:hover { background: rgba(47, 227, 214, 0.10); color: var(--cyan-soft); }
.dock__item[aria-current="page"] { background: rgba(47, 227, 214, 0.14); color: var(--cyan); }
.dock__item--pulse { background: var(--pulse); color: #14060A; font-weight: 700; }
.dock__item--pulse:hover { background: #FF7038; color: #14060A; }

/* ---------- 7. 滚动进度轴 ---------- */
.scroll-progress {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  z-index: 80;
  pointer-events: none;
  background: rgba(47, 227, 214, 0.08);
}
.scroll-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--pulse));
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
}

/* ---------- 8. 桌面：左侧品牌轨道 ---------- */
@media (min-width: 1024px) {
  body { padding-top: 0; padding-bottom: 0; padding-left: var(--rail-w); }

  .site-header {
    top: 0;
    left: 0;
    right: auto;
    bottom: 0;
    width: var(--rail-w);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 26px;
    min-height: 0;
    padding: 26px 16px 22px;
    background: linear-gradient(180deg, #0B1117 0%, var(--night) 55%, #090E14 100%);
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .rail-brand { flex-direction: column; align-items: flex-start; gap: 14px; }
  .brand { flex-direction: column; align-items: flex-start; gap: 10px; }
  .brand__glyph {
    padding: 0;
    border: 0;
    border-radius: 0;
    font-size: 26px;
    line-height: 1;
    color: var(--cyan);
  }
  .brand__name { font-size: 19px; white-space: normal; }
  .brand__sub { display: block; }
  .rail-tagline {
    display: block;
    font-size: 13px;
    line-height: 1.6;
    color: var(--mist);
    padding-left: 10px;
    border-left: 2px solid var(--pulse);
  }

  .nav-toggle { display: none; }

  .primary-nav {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    z-index: auto;
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
    gap: 16px;
  }

  .nav-label {
    padding-left: 12px;
    margin-bottom: 2px;
  }
  .nav-list { display: flex; flex-direction: column; gap: 4px; }
  .nav-link {
    min-height: 42px;
    padding: 0 12px;
    border-radius: var(--r-pill);
    background: transparent;
    font-size: 15px;
  }
  .nav-link[aria-current="page"] {
    background: linear-gradient(90deg, rgba(47, 227, 214, 0.24), rgba(47, 227, 214, 0.04));
    color: var(--warm);
  }
  .nav-actions { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }

  .rail-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    background: rgba(47, 227, 214, 0.07);
  }
  .rail-status__text {
    font-family: var(--font-label);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--mist);
    line-height: 1.3;
  }

  .dock { display: none; }

  .scroll-progress {
    left: calc(var(--rail-w) - 1px);
    right: auto;
    top: 0;
    bottom: 0;
    height: auto;
    width: 2px;
    background: rgba(47, 227, 214, 0.06);
  }
  .scroll-progress__fill {
    background: linear-gradient(180deg, var(--cyan), var(--violet) 55%, var(--pulse));
    transform: scaleY(var(--progress, 0));
    transform-origin: center top;
  }
}

/* ---------- 9. 状态点 ---------- */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 227, 214, 0.14);
  animation: dot-pulse 2.4s ease-in-out infinite;
}
.status-dot--live { background: var(--green); box-shadow: 0 0 0 3px rgba(61, 220, 151, 0.14); }
.status-dot--alert { background: var(--pulse); box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.16); }
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- 10. 容器 / 章节节奏 ---------- */
.canvas {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 56px 0; border-top: 1px solid var(--line-soft); }
.section:first-of-type { border-top: 0; }

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}
.section-label::after {
  content: "";
  width: 32px;
  height: 1px;
  flex: none;
  background: var(--cyan);
  opacity: 0.7;
}
.section-title { color: var(--warm); }
.section-lede {
  margin-top: 14px;
  max-width: 34em;
  font-size: 17px;
  color: var(--mist);
}

/* ---------- 11. 网格与面板 ---------- */
.grid { display: grid; gap: 24px; }
.grid--7-5,
.grid--8-4 { grid-template-columns: 1fr; }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
@media (min-width: 900px) {
  .grid--7-5 { grid-template-columns: 7fr 5fr; }
  .grid--8-4 { grid-template-columns: 8fr 4fr; }
}

.panel {
  background: var(--panel);
  border-radius: var(--r-lg);
  padding: 24px;
}
.panel--soft {
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(47, 227, 214, 0.10), transparent 60%),
    linear-gradient(160deg, rgba(22, 33, 43, 0.95), rgba(14, 21, 28, 0.95));
}

/* ---------- 12. 折叠面板 ---------- */
.fold {
  background: var(--panel);
  border-radius: var(--r-md);
  overflow: hidden;
}
.fold + .fold { margin-top: 10px; }
.fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.fold__summary::-webkit-details-marker { display: none; }
.fold__summary:hover { background: rgba(47, 227, 214, 0.06); }
.fold[open] .fold__summary { color: var(--cyan-soft); }
.fold__title { font-size: 17px; font-weight: 600; }
.fold__meta {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--mist);
  margin-left: auto;
}
.fold__sign { position: relative; width: 14px; height: 14px; flex: none; }
.fold__sign::before,
.fold__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.22s var(--ease);
}
.fold__sign::after { transform: rotate(90deg); }
.fold[open] .fold__sign::after { transform: rotate(0deg); }
.fold__body { padding: 0 20px 22px; color: var(--mist); }
.fold__body p { max-width: 34em; }

/* ---------- 13. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--r-pill);
  font-family: var(--font-label);
  font-size: 16px;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn--pulse { background: var(--pulse); color: #14060A; font-weight: 700; }
.btn--pulse:hover { background: #FF7038; transform: translateX(2px); }
.btn--ghost { border: 1px solid var(--line); color: var(--cyan-soft); }
.btn--ghost:hover { background: rgba(47, 227, 214, 0.12); border-color: var(--cyan); transform: translateX(2px); }
.btn--block { width: 100%; }
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 14px; }

/* ---------- 14. 芯片筛选 ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.chip:hover { border-color: var(--cyan); color: var(--cyan-soft); transform: translateX(2px); }
.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 15. 提醒开关 ---------- */
.state-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 8px 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--mist);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}
.state-toggle:hover { border-color: var(--cyan); color: var(--cyan-soft); }
.state-toggle__track {
  position: relative;
  width: 40px;
  height: 22px;
  flex: none;
  border-radius: var(--r-pill);
  background: rgba(185, 198, 210, 0.22);
  transition: background 0.22s var(--ease);
}
.state-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--warm);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease);
}
.state-toggle[aria-pressed="true"] { border-color: rgba(255, 90, 31, 0.6); color: var(--cyan-soft); }
.state-toggle[aria-pressed="true"] .state-toggle__track { background: rgba(255, 90, 31, 0.85); }
.state-toggle[aria-pressed="true"] .state-toggle__thumb { transform: translateX(18px); background: #16090A; }
.state-toggle__label { white-space: nowrap; }

/* ---------- 16. 数据块与轴线 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1;
  color: var(--warm);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
}
.stat__value--pulse { color: var(--pulse); }
.stat__unit {
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.stat__label {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.axis { position: relative; padding-left: 20px; }
.axis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 55%, var(--pulse));
  opacity: 0.55;
}

/* ---------- 17. 文本链接 ---------- */
.link {
  position: relative;
  color: var(--cyan);
  display: inline-block;
}
.link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.12);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}
.link:hover::after { transform: scaleX(1); }

/* ---------- 18. 面包屑 ---------- */
.breadcrumb { padding: 18px 0; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--mist);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb__link { color: var(--mist); transition: color 0.2s var(--ease); }
.breadcrumb__link:hover { color: var(--cyan); }
.breadcrumb__sep { opacity: 0.45; }

/* ---------- 19. 图片容器 ---------- */
.media-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 180px;
  background:
    linear-gradient(150deg, rgba(47, 227, 214, 0.14), rgba(108, 91, 255, 0.10) 55%, rgba(255, 90, 31, 0.16));
  isolation: isolate;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 11, 15, 0) 42%, rgba(7, 11, 15, 0.78));
}
.media-frame--wide { aspect-ratio: 16 / 7; min-height: 0; }
.media-frame--tall { aspect-ratio: 3 / 4; min-height: 0; }
.media-frame__caption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-soft);
}

/* ---------- 20. 页脚 ---------- */
.site-footer {
  margin-top: 64px;
  padding: 56px 0 32px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 21, 28, 0.65), #0A0F14 42%, var(--ink));
}

.footer-canvas {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.footer-brand { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.brand--footer { flex-direction: column; align-items: flex-start; gap: 10px; }
.brand--footer .brand__glyph { padding: 0; border: 0; font-size: 22px; }
.brand--footer .brand__sub { display: block; }

.footer-summary {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.footer-area {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--warm);
}

.footer-label {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}
.footer-list { display: flex; flex-direction: column; gap: 10px; }
.footer-list a {
  font-size: 15px;
  color: var(--mist);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  display: inline-block;
}
.footer-list a:hover { color: var(--cyan-soft); transform: translateX(2px); }

.footer-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.footer-address__line { display: flex; gap: 10px; align-items: baseline; }
.footer-address__key {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  flex: none;
  min-width: 34px;
}
.footer-address__note { color: rgba(185, 198, 210, 0.72); font-size: 13px; }

.footer-base {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 20px 20px 0;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  font-size: 13px;
  color: var(--mist);
}
.footer-icp { font-family: var(--font-mono); font-variant-numeric: tabular-nums; margin: 0; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-legal a { color: var(--mist); transition: color 0.2s var(--ease); }
.footer-legal a:hover { color: var(--cyan-soft); }
.footer-copy { font-family: var(--font-mono); font-variant-numeric: tabular-nums; margin: 0; }

@media (min-width: 768px) {
  .canvas { padding: 0 32px; }
  .footer-canvas { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 28px; padding: 0 32px; }
  .footer-base { padding: 20px 32px 0; }
}
@media (min-width: 1024px) {
  .canvas { padding: 0 40px; }
  .footer-canvas { padding: 0 40px; }
  .footer-base { padding: 20px 40px 0; }
}

/* ---------- 21. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .status-dot { animation: none; opacity: 1; }
  .link::after { transform: scaleX(1); }
}