:root {
  --color-surface: #fcfcfd;
  --color-surface-alt: #f3f3f5;
  --color-surface-deep: #e6e7e9;
  --color-ink: #454b54;
  --color-ink-soft: #69717c;
  --color-ink-muted: #767e89;
  --color-line: #dbdcdf;
  --color-primary: #3770c8;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #e0e8f6;
  --color-accent: #10818e;
  --color-accent-ink: #ffffff;
  --color-highlight: #d2e6e9;
  --color-focus: #087e8c;
  --color-contrast-surface: #0f1319;
  --color-contrast-ink: #e4e5e7;
  --color-contrast-line: #3e4146;
  --color-contrast-accent: #1bcfe4;
  --overlay-scrim: linear-gradient(180deg, rgba(15, 19, 25, 0.35) 0%, rgba(15, 19, 25, 0.72) 55%, rgba(15, 19, 25, 0.92) 100%);
  --font-heading: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --text-xs: 12.9px;
  --text-sm: 15.5px;
  --text-base: 17px;
  --text-lg: 20.4px;
  --text-xl: 24.5px;
  --text-2xl: 29.4px;
  --text-3xl: 35.3px;
  --text-4xl: 42.3px;
  --text-display: clamp(49px, 10.0vw, 128px);
  --text-figure: clamp(40px, 7.2vw, 92px);
  --weight-heading: 675;
  --weight-body: 400;
  --leading-body: 1.79;
  --leading-heading: 1.16;
  --tracking-heading: 0.006em;
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 21px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: 0 6px 18px rgba(69, 75, 84, 0.08);
  --shadow-2: 0 18px 44px rgba(69, 75, 84, 0.14);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1200px;
  --measure: 70ch;
  --gutter: 24px;
  --section-y: 93px;
  --section-y-lg: 130px;
}

/* ============================================================
   NG体育中心 · 共享样式 /assets/site.css
   玻璃层叠：半透明面板叠在冷调彩色底上，细亮边界分离层次
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body,
h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

::selection {
  background: color-mix(in srgb, var(--color-primary) 24%, transparent);
  color: color-mix(in srgb, var(--color-ink) 82%, var(--color-contrast-surface));
}

/* ---------- 页面底层：冷调彩色底，玻璃面板浮在其上 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background-color: var(--color-surface);
  background-image:
    radial-gradient(58% 44% at 4% -6%, color-mix(in srgb, var(--color-primary) 22%, transparent), transparent 72%),
    radial-gradient(48% 42% at 102% 4%, color-mix(in srgb, var(--color-accent) 20%, transparent), transparent 70%),
    radial-gradient(72% 52% at 46% 106%, color-mix(in srgb, var(--color-highlight) 62%, transparent), transparent 78%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: color-mix(in srgb, var(--color-ink) 82%, var(--color-contrast-surface));
  text-wrap: balance;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { max-width: var(--measure); }
strong { font-weight: 650; color: color-mix(in srgb, var(--color-ink) 86%, var(--color-contrast-surface)); }

.data-num,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

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

/* ---------- 布局容器与节奏 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--top { padding-block-start: 0; }
.section--bottom { padding-block-end: 0; }

.stack { display: flex; flex-direction: column; gap: var(--space-3); }
.stack-sm { display: flex; flex-direction: column; gap: var(--space-2); }
.stack-lg { display: flex; flex-direction: column; gap: var(--space-6); }

.grid { display: grid; gap: var(--space-3); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.offset-rise { margin-block-start: var(--space-3); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  margin-block-end: var(--space-4);
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.62;
  color: var(--color-ink-soft);
  max-width: 48ch;
}

/* ---------- 刻度线分隔：不用通栏直线一切到底 ---------- */
.rule-scale {
  position: relative;
  height: 10px;
  border-top: var(--border-thin) solid var(--color-line);
  color: var(--color-line);
}
.rule-scale::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 26px);
}

/* ---------- 玻璃面板 ---------- */
.panel {
  position: relative;
  padding: var(--space-4);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-surface) 46%, var(--color-line));
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 76%, transparent);
  box-shadow: var(--shadow-1), inset 0 1px 0 color-mix(in srgb, var(--color-primary-ink) 68%, transparent);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease, background-color 200ms ease;
}

.panel--interactive:hover,
.panel--interactive:focus-within {
  border-color: color-mix(in srgb, var(--color-primary) 46%, transparent);
  box-shadow: var(--shadow-2), inset 0 1px 0 color-mix(in srgb, var(--color-primary-ink) 78%, transparent);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  transform: translateY(-2px);
}

.panel--rail {
  border-left: 3px solid var(--color-primary);
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
}

.panel--accent-rail { border-left-color: var(--color-accent); }

.panel--contrast {
  border-color: var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-surface) 94%, transparent);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}
.panel--contrast h2,
.panel--contrast h3,
.panel--contrast h4 { color: var(--color-contrast-ink); }
.panel--contrast .lede,
.panel--contrast p { color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent); }
.panel--contrast .stat-figure { color: var(--color-contrast-accent); }
.panel--contrast .stat-label { color: color-mix(in srgb, var(--color-contrast-ink) 64%, transparent); }
.panel--contrast .eyebrow { color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent); }
.panel--contrast a { color: var(--color-contrast-accent); }

/* ---------- 展览标签与说明牌 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-highlight) 78%, transparent);
  color: color-mix(in srgb, var(--color-accent) 78%, var(--color-ink));
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.6;
  white-space: nowrap;
}
.tag--primary {
  border-color: color-mix(in srgb, var(--color-primary) 32%, transparent);
  background: var(--color-primary-soft);
  color: color-mix(in srgb, var(--color-primary) 74%, var(--color-ink));
}

.plate {
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 74%);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ---------- 数据展示 ---------- */
.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-figure {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-figure);
  line-height: 0.96;
  font-weight: var(--weight-heading);
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 24px;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-1);
}
.btn--primary:hover { background: color-mix(in srgb, var(--color-primary) 86%, var(--color-contrast-surface)); }

.btn--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-1);
}
.btn--accent:hover { background: color-mix(in srgb, var(--color-accent) 86%, var(--color-contrast-surface)); }

.btn--ghost {
  border-color: color-mix(in srgb, var(--color-primary) 42%, transparent);
  background: color-mix(in srgb, var(--color-surface) 62%, transparent);
  color: var(--color-primary);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}
.breadcrumb li { display: flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--color-line);
}
.breadcrumb a { color: var(--color-ink-soft); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--color-ink); }

/* ---------- 图片容器：叠色处理，回到品牌色域 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 24%, transparent);
  background: linear-gradient(148deg,
    color-mix(in srgb, var(--color-primary) 78%, var(--color-contrast-surface)),
    color-mix(in srgb, var(--color-accent) 66%, var(--color-contrast-surface)));
  isolation: isolate;
  aspect-ratio: 4 / 3;
}

.media-frame--accent {
  background: linear-gradient(148deg,
    color-mix(in srgb, var(--color-accent) 76%, var(--color-contrast-surface)),
    color-mix(in srgb, var(--color-primary) 58%, var(--color-contrast-surface)));
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: luminosity;
  opacity: 0.94;
}

.media-frame--caption::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--overlay-scrim);
}

.media-frame__caption {
  position: absolute;
  z-index: 3;
  inset: auto var(--space-2) var(--space-2) var(--space-2);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.5;
  max-width: 42ch;
}

/* ---------- 分段切换 ---------- */
.switcher {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-surface-alt) 82%, transparent);
}

.switcher-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease;
}
.switcher-btn:hover { color: var(--color-primary); background: color-mix(in srgb, var(--color-primary-soft) 70%, transparent); }
.switcher-btn[aria-selected="true"] {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 入场显现 ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 240ms ease, transform 240ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   头部：悬浮胶囊导航浮岛
   ============================================================ */
.skip-link {
  position: fixed;
  top: -120px;
  left: var(--space-2);
  z-index: 200;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-2);
  transition: top 160ms ease;
}
.skip-link:focus {
  top: var(--space-2);
  text-decoration: none;
  outline-color: var(--color-contrast-accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding-block-start: var(--space-2);
  pointer-events: none;
}

.header-inner { pointer-events: none; }

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 90;
  pointer-events: none;
  background: color-mix(in srgb, var(--color-line) 55%, transparent);
}
.scroll-progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.nav-pill {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-1) var(--space-2) var(--space-1) var(--space-1);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-surface) 42%, var(--color-line));
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-surface) 74%, transparent);
  box-shadow: var(--shadow-1), inset 0 1px 0 color-mix(in srgb, var(--color-primary-ink) 72%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  pointer-events: auto;
  transition: background-color 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

[data-header][data-scrolled="true"] .nav-pill {
  border-color: color-mix(in srgb, var(--color-primary) 26%, var(--color-line));
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  box-shadow: var(--shadow-2), inset 0 1px 0 color-mix(in srgb, var(--color-primary-ink) 82%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-pill);
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  position: relative;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--color-primary), var(--color-accent));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-primary-ink) 45%, transparent);
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: var(--color-primary-ink);
  box-shadow:
    0 -6px 0 color-mix(in srgb, var(--color-primary-ink) 66%, transparent),
    0 6px 0 color-mix(in srgb, var(--color-primary-ink) 38%, transparent);
}

.brand-text { display: flex; flex-direction: column; gap: 1px; }

.brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: color-mix(in srgb, var(--color-ink) 82%, var(--color-contrast-surface));
}

.brand-sub {
  font-size: var(--text-xs);
  line-height: 1.2;
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
}

.nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink-soft);
  white-space: nowrap;
  transition: background-color 160ms ease, color 160ms ease;
}
.nav-link:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  text-decoration: none;
}
.nav-link[aria-current="page"] {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: 600;
}

.nav-ritual {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding-inline: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.4;
  color: var(--color-ink-muted);
  white-space: nowrap;
  max-width: none;
}
.nav-ritual::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 8px 14px;
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 32%, transparent);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease;
}
.nav-toggle:hover { background: var(--color-primary-soft); border-color: var(--color-primary); }

.nav-toggle-bars {
  display: block;
  width: 16px;
}
.nav-toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 200ms ease, opacity 160ms ease;
}
.nav-toggle-bars span + span { margin-top: 3px; }

.nav-pill[data-open="true"] .nav-toggle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.nav-pill[data-open="true"] .nav-toggle-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-pill[data-open="true"] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav-pill[data-open="true"] .nav-toggle-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ============================================================
   页脚：边框式收口，用线框与刻度尺代替深色三列链接
   ============================================================ */
.site-footer {
  margin-block-start: var(--section-y-lg);
  padding-block-end: var(--space-6);
}

.footer-frame {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 66%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.footer-scale {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 16px;
  padding-block-end: 6px;
  margin-block-end: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.footer-scale span {
  display: block;
  width: 1px;
  height: 5px;
  background: var(--color-line);
}
.footer-scale span:nth-child(4n+1) {
  height: 11px;
  background: var(--color-ink-muted);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-6) var(--space-4);
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: color-mix(in srgb, var(--color-ink) 82%, var(--color-contrast-surface));
  max-width: none;
}

.footer-brand-line {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.footer-ritual {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-block-start: var(--space-1);
  padding: 8px 16px 8px 14px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: color-mix(in srgb, var(--color-highlight) 72%, transparent);
  color: color-mix(in srgb, var(--color-accent) 72%, var(--color-ink));
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  max-width: none;
}

.footer-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block-start: var(--space-3);
}

.footer-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: var(--text-sm);
}
.footer-contact li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.footer-k {
  padding-block-start: 3px;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.footer-v {
  color: var(--color-ink);
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.footer-v--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
  margin-block-start: var(--space-6);
  padding-block-start: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}
.footer-legal a { color: var(--color-ink-soft); }
.footer-legal a:hover { color: var(--color-primary); }

.footer-icp,
.footer-copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  max-width: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav-ritual { display: none; }
  .nav { justify-content: flex-end; }
}

@media (max-width: 980px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4, .col-5 { grid-column: span 3; }
  .col-6, .col-7, .col-8, .col-9 { grid-column: span 6; }
}

@media (max-width: 880px) {
  html { scroll-padding-top: 96px; }

  .nav-toggle { display: inline-flex; }

  .brand-sub { display: none; }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    padding: var(--space-2);
    border: var(--border-thin) solid color-mix(in srgb, var(--color-surface) 48%, var(--color-line));
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    box-shadow: var(--shadow-2);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    backdrop-filter: blur(18px) saturate(150%);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
  }
  .nav-link[aria-current="page"] { border-left: 3px solid var(--color-primary-ink); }

  .nav-pill { padding-inline-end: var(--space-1); }

  .footer-main { grid-template-columns: 1fr; gap: var(--space-4); }
  .footer-block { padding-block-start: 0; }
}

@media (max-width: 640px) {
  .grid--12 { grid-template-columns: 1fr; }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-12 { grid-column: span 1; }

  .panel { padding: var(--space-3); }
  .footer-frame { padding: var(--space-3); }
  .footer-contact li { grid-template-columns: 1fr; gap: 2px; }
  .footer-k { padding-block-start: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .nav-toggle-label { display: none; }
  .brand-name { font-size: var(--text-xs); letter-spacing: 0.04em; }
  .switcher { width: 100%; }
  .switcher-btn { flex: 1 1 auto; text-align: center; }
}

/* ============================================================
   降低动效偏好
   ============================================================ */
@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;
  }

  html.js .reveal,
  html.js .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .panel--interactive:hover,
  .panel--interactive:focus-within { transform: none; }
  .btn:active { transform: none; }
}