:root {
  --color-surface: #fcfcfc;
  --color-surface-alt: #f3f3f3;
  --color-surface-deep: #e6e7e6;
  --color-ink: #414e45;
  --color-ink-soft: #637368;
  --color-ink-muted: #77887d;
  --color-line: #dadddb;
  --color-primary: #388451;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #e1ebe4;
  --color-accent: #18865d;
  --color-accent-ink: #ffffff;
  --color-highlight: #d3e7df;
  --color-focus: #0e8156;
  --color-contrast-surface: #1c2820;
  --color-contrast-ink: #e4e7e5;
  --color-contrast-line: #48524b;
  --color-contrast-accent: #26d997;
  --overlay-scrim: linear-gradient(180deg, rgba(28, 40, 32, 0.35) 0%, rgba(28, 40, 32, 0.72) 55%, rgba(28, 40, 32, 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: 9.7px;
  --text-sm: 13.0px;
  --text-base: 15px;
  --text-lg: 20.0px;
  --text-xl: 26.7px;
  --text-2xl: 35.5px;
  --text-3xl: 47.4px;
  --text-4xl: 63.1px;
  --text-display: clamp(34px, 6.8vw, 87px);
  --text-figure: clamp(28px, 4.9vw, 63px);
  --weight-heading: 605;
  --weight-body: 400;
  --leading-body: 1.7;
  --leading-heading: 1.21;
  --tracking-heading: 0.002em;
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: 0 6px 18px rgba(65, 78, 69, 0.08);
  --shadow-2: 0 18px 44px rgba(65, 78, 69, 0.14);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1280px;
  --measure: 73ch;
  --gutter: 32px;
  --section-y: 79px;
  --section-y-lg: 111px;
}

/* ============================================================
   reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; }
h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ============================================================
   base + 中文排版
   ============================================================ */
body {
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: var(--weight-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  word-break: break-word;
}
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
p { max-width: var(--measure); }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-focus); text-decoration: underline; text-underline-offset: 4px; }
strong { font-weight: var(--weight-heading); }
code, samp, kbd { font-family: var(--font-mono); font-size: 0.95em; }
figure { margin: 0; }
::selection { background-color: var(--color-highlight); color: var(--color-ink); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: var(--radius-sm); }

/* ============================================================
   layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--gutter); }
}
.section { padding-block: var(--section-y); }
.section--lg { padding-block: var(--section-y-lg); }
.section--tight { padding-block: var(--space-6); }
.section--alt { background-color: var(--color-surface-alt); }
.section--deep { background-color: var(--color-surface-deep); }
.stack { display: flex; flex-direction: column; gap: var(--space-2); }
.stack--lg { gap: var(--space-3); }
.space-top { margin-top: var(--space-4); }
.divider {
  border: 0;
  border-top: var(--border-thin) solid var(--color-line);
  margin: 0;
}
.divider--space { margin-block: var(--space-4); }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.is-hidden { display: none !important; }
main { display: block; }
#main-content { scroll-margin-top: var(--space-8); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}
.grid > * { grid-column: span 12; }
@media (min-width: 720px) {
  .grid--2 > * { grid-column: span 6; }
  .grid--3 > * { grid-column: span 4; }
}

/* ============================================================
   typography helpers
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
}
.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}
.prose {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: var(--measure);
}
.prose h2 { font-size: var(--text-xl); margin-top: var(--space-4); }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-3); }
.prose p { max-width: none; }
.prose ul, .prose ol {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: var(--space-3);
}
.prose li { position: relative; }
.prose li::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-2));
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
}

/* ============================================================
   bento 模块板
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}
.bento__block {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}
@media (min-width: 720px) {
  .bento__block { padding: var(--space-4); }
  .bento__block--half { grid-column: span 6; }
  .bento__block--third { grid-column: span 4; }
  .bento__block--wide { grid-column: span 8; }
  .bento__block--tall { grid-row: span 2; }
}
.bento__block--soft { background-color: var(--color-primary-soft); }
.bento__block--ink {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
}
.bento__block--ink h1, .bento__block--ink h2, .bento__block--ink h3, .bento__block--ink h4 {
  color: var(--color-contrast-ink);
}
.bento__block--focus {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: var(--shadow-2);
  animation: focus-breathe 1.6s ease-in-out infinite;
}
.bento__block--focus h1, .bento__block--focus h2, .bento__block--focus h3, .bento__block--focus h4 {
  color: var(--color-primary-ink);
}
.bento__block--focus a { color: var(--color-primary-ink); text-decoration: underline; text-underline-offset: 4px; }
.bento__title { font-size: var(--text-lg); }
.bento__label {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}
.bento__block--focus .bento__label,
.bento__block--ink .bento__label { color: color-mix(in srgb, currentColor 76%, transparent); }
.bento__text { font-size: var(--text-base); color: var(--color-ink-soft); max-width: none; }
.bento__block--focus .bento__text { color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent); }
.bento__block--ink .bento__text { color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent); }

@keyframes focus-breathe {
  0%, 100% { box-shadow: var(--shadow-2), 0 0 0 0 color-mix(in srgb, var(--color-focus) 46%, transparent); }
  50% { box-shadow: var(--shadow-2), 0 0 0 8px color-mix(in srgb, var(--color-focus) 0%, transparent); }
}

/* ============================================================
   chip / badge / tag
   ============================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
  background-color: var(--color-highlight);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: 1.35;
  white-space: nowrap;
}
.chip--simplified {
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
}
.chip--week {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: var(--weight-heading);
}
.chip__dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  animation: pulse-dot 1.8s ease-in-out infinite;
}
.chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-deep);
}
.chip--filter {
  cursor: pointer;
  background-color: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-ink-soft);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.chip--filter:hover { background-color: var(--color-highlight); color: var(--color-ink); }
.chip--filter[aria-pressed="true"] {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: var(--weight-heading);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-deep);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.filter-empty {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) dashed var(--color-line);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  max-width: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

/* ============================================================
   buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-1); }
.btn--primary { background-color: var(--color-primary); color: var(--color-primary-ink); }
.btn--primary:hover { color: var(--color-primary-ink); background-color: color-mix(in srgb, var(--color-primary) 88%, var(--color-contrast-surface)); }
.btn--accent { background-color: var(--color-accent); color: var(--color-accent-ink); }
.btn--accent:hover { color: var(--color-accent-ink); background-color: color-mix(in srgb, var(--color-accent) 86%, var(--color-contrast-surface)); }
.btn--ghost {
  background-color: transparent;
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  color: var(--color-accent);
}
.btn--ghost:hover { background-color: var(--color-primary-soft); color: var(--color-accent); }
.btn--dark { background-color: var(--color-contrast-surface); color: var(--color-contrast-ink); }
.btn--dark:hover { color: var(--color-contrast-ink); background-color: color-mix(in srgb, var(--color-contrast-surface) 84%, var(--color-contrast-accent)); }

/* ============================================================
   card / data
   ============================================================ */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.card__title { font-size: var(--text-lg); }
.card__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  max-width: none;
}
.data-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-variant-numeric: tabular-nums;
}
.data-row:last-child { border-bottom: 0; }
.data-row__key { font-size: var(--text-sm); color: var(--color-ink-soft); max-width: none; }
.data-row__value { font-family: var(--font-mono); font-size: var(--text-lg); color: var(--color-ink); }
.figure { display: flex; flex-direction: column; gap: 4px; }
.figure__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}
.figure__label { font-size: var(--text-sm); color: var(--color-ink-soft); max-width: none; }
.figure--accent .figure__value { color: var(--color-accent); }
.figure--pulse .figure__value { color: var(--color-contrast-accent); }
.delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.delta--up { background-color: var(--color-primary-soft); color: var(--color-accent); }
.delta--down { background-color: var(--color-surface-deep); color: var(--color-ink-muted); }

/* ============================================================
   media（页面阶段放图的占位容器）
   ============================================================ */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}
.media img,
.media picture,
.media > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--21x9 { aspect-ratio: 21 / 9; }
.media__caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  margin: 0;
  padding: var(--space-4) var(--space-3) var(--space-3);
  background: var(--overlay-scrim);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.55;
  max-width: none;
}
.media__tag { position: absolute; top: var(--space-2); left: var(--space-2); }

/* ============================================================
   breadcrumb
   ============================================================ */
.breadcrumb {
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: var(--text-sm);
}
.breadcrumb__list li { display: inline-flex; align-items: center; }
.breadcrumb__list li + li::before {
  content: "/";
  margin-inline: 6px;
  color: var(--color-line);
}
.breadcrumb__link { color: var(--color-ink-soft); }
.breadcrumb__link:hover { color: var(--color-accent); }
.breadcrumb__current { color: var(--color-ink); font-weight: var(--weight-heading); }

/* ============================================================
   header
   ============================================================ */
.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -120px;
  z-index: 200;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  transition: top 0.18s ease;
}
.skip-link:focus { top: var(--space-2); color: var(--color-contrast-ink); text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--color-ink) 6%, transparent);
}
.site-header__bar {
  background-color: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: saturate(1.3) blur(10px);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 74px;
  padding-block: var(--space-1);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex: 0 0 auto;
  color: var(--color-ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--color-ink); }
.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: var(--shadow-1);
}
.brand__pulse {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-contrast-accent) 24%, transparent);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.18; }
.brand__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  color: inherit;
}
.brand__note {
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}
.site-nav { flex: 1 1 auto; display: flex; justify-content: center; }
.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.site-nav__link:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-accent);
  text-decoration: none;
}
.site-nav__link[aria-current="page"] {
  background-color: var(--color-highlight);
  border-color: color-mix(in srgb, var(--color-accent) 32%, transparent);
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}
.site-nav__link[aria-current="page"]::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}
.site-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 0 0 auto;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  text-decoration: none;
  transition: background-color 0.18s ease;
}
.header-cta:hover {
  color: var(--color-contrast-ink);
  background-color: color-mix(in srgb, var(--color-contrast-surface) 82%, var(--color-contrast-accent));
  text-decoration: none;
}
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface-alt);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
}
.nav-toggle:hover { background-color: var(--color-highlight); }
.nav-toggle__bars { position: relative; display: block; width: 16px; height: 12px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background-color: currentColor;
  transition: transform 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}
.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { bottom: 1px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { bottom: 5px; transform: rotate(-45deg); }

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background-color: 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) 55%, var(--color-contrast-accent));
}

/* ============================================================
   footer
   ============================================================ */
.site-footer {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  padding-block: var(--space-8) var(--space-6);
}
.site-footer a { color: var(--color-contrast-ink); text-decoration: none; }
.site-footer a:hover { color: var(--color-contrast-accent); text-decoration: underline; }
.site-footer p { max-width: none; }
.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
}
.site-footer__brand {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.brand--inverse .brand__name { color: var(--color-contrast-ink); }
.brand--inverse .brand__note { color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent); }
.brand--inverse:hover { text-decoration: none; }
.site-footer__legal {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}
.site-footer__copy {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}
.footer-pulse {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-contrast-line);
  background-color: color-mix(in srgb, var(--color-contrast-accent) 12%, var(--color-contrast-surface));
}
.footer-pulse__label {
  display: flex;
  align-items: center;
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}
.footer-pulse__label::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: var(--space-1);
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  animation: pulse-dot 1.8s ease-in-out infinite;
}
.footer-pulse__line {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}
.footer-pulse__track {
  height: 8px;
  border-radius: var(--radius-pill);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 16%, transparent);
  overflow: hidden;
}
.footer-pulse__fill {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-contrast-accent), var(--color-accent));
}
.footer-pulse__note {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}
.site-footer__links {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.footer-links a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
}
.footer-links a:hover {
  border-color: var(--color-contrast-accent);
  text-decoration: none;
}
.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}
.site-footer__addr {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}
.site-footer__note {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

@media (min-width: 900px) {
  .site-footer__brand { grid-column: span 3; }
  .footer-pulse { grid-column: span 5; }
  .site-footer__links { grid-column: span 4; }
}

/* ============================================================
   responsive: header
   ============================================================ */
@media (max-width: 1080px) {
  .chip--simplified { display: none; }
}
@media (max-width: 960px) {
  .site-header__meta { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: var(--space-3);
    background-color: var(--color-surface);
    border-bottom: var(--border-thin) solid var(--color-line);
    box-shadow: var(--shadow-2);
  }
  .site-nav[data-open] { display: flex; }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 4px;
  }
  .site-nav__link {
    justify-content: flex-start;
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
  }
  .site-nav__link[aria-current="page"] {
    background-color: var(--color-primary-soft);
    border-color: transparent;
  }
  .site-header__inner { min-height: 66px; gap: var(--space-2); }
}
@media (max-width: 560px) {
  .brand__note { display: none; }
  .brand__name { font-size: var(--text-base); }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 10px; }
}

/* ============================================================
   motion preferences
   ============================================================ */
@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;
  }
  .bento__block--focus { animation: none; }
  .chip__dot, .footer-pulse__label::before { animation: none; }
  .btn:hover, .card:hover { transform: none; }
  .scroll-progress__bar { transition: none; }
}