:root {
  --ink-green: #0B241F;
  --deep-green: #123A32;
  --gold: #C6A15B;
  --gold-light: #E3C98F;
  --sand: #E8DCC3;
  --ivory: #F7F2E7;
  --cinnabar: #B5462F;
  --moss: #3E6B5E;
  --charcoal: #1A1A18;
  --stone: #6F6A5E;
  --line: rgba(198, 161, 91, 0.38);
  --line-strong: rgba(198, 161, 91, 0.66);
  --shadow-deep: 0 22px 48px rgba(3, 14, 11, 0.34);
  --shell: min(1240px, calc(100% - 56px));
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(11, 36, 31, 0.035) 1px, transparent 1px) 0 0 / 96px 100%,
    var(--ivory);
  color: var(--charcoal);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select,
textarea {
  font-family: var(--sans);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.6em;
  color: var(--charcoal);
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: 0.06em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 5.4vw, 4rem);
}

h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--moss);
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

a:hover {
  color: var(--cinnabar);
}

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

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--gold);
  color: var(--ink-green);
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 300;
  padding: 10px 16px;
  background: var(--gold-light);
  color: var(--ink-green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: relative;
  z-index: 50;
  color: var(--ivory);
  background: var(--ink-green);
}

.announcement-bar {
  background: #071A16;
  border-bottom: 1px solid var(--line);
}

.announcement-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 42px;
  padding-block: 7px;
}

.announcement-tag {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 2px 8px;
  background: var(--cinnabar);
  color: var(--ivory);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.5;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.announcement-text {
  flex: 1;
  margin: 0;
  color: rgba(247, 242, 231, 0.82);
  font-size: 13px;
  line-height: 1.55;
}

.announcement-link {
  flex: none;
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: 0.12em;
  border-bottom: 1px solid var(--line-strong);
}

.announcement-link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.masthead {
  position: relative;
  background:
    radial-gradient(120% 170% at 80% -20%, rgba(198, 161, 91, 0.22), transparent 55%),
    linear-gradient(105deg, var(--ink-green) 0 64%, var(--deep-green) 64% 100%);
  border-bottom: 1px solid rgba(198, 161, 91, 0.16);
}

.masthead::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  content: "";
  opacity: 0.6;
}

.masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px) auto;
  align-items: end;
  gap: 24px;
  padding-block: 28px 34px;
}

.masthead-brand {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
}

.brand-lockup {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 14px;
  color: var(--ivory);
}

.brand-lockup:hover {
  color: var(--ivory);
}

.brand-mark {
  position: relative;
  display: grid;
  flex: none;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--gold);
  background: var(--deep-green);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.brand-mark::after {
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(227, 201, 143, 0.48);
  content: "";
  pointer-events: none;
}

.brand-mark-inner {
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-name {
  color: var(--ivory);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.15;
}

.brand-domain {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  line-height: 1.4;
}

.brand-tagline {
  margin: 0 0 0 68px;
  color: rgba(232, 220, 195, 0.68);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.masthead-account {
  position: relative;
  z-index: 2;
  display: flex;
  align-self: end;
  justify-content: flex-end;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.28));
}

.account-plaque {
  position: relative;
  width: 100%;
  max-width: 380px;
  padding: 20px 22px 18px;
  background: linear-gradient(145deg, var(--ivory), var(--sand));
  color: var(--charcoal);
  border: 1px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  box-shadow: var(--shadow-deep);
  transform: translateY(16px);
}

.account-plaque::before {
  position: absolute;
  top: -1px;
  right: 24px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  background: var(--cinnabar);
  color: var(--ivory);
  content: "账";
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.account-plaque__eyebrow {
  margin: 0;
  color: var(--cinnabar);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.6;
}

.account-plaque__title {
  margin: 3px 0 4px;
  color: var(--ink-green);
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.account-plaque__meta {
  margin: 0;
  color: var(--stone);
  font-size: 13px;
  line-height: 1.55;
}

.account-plaque__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.account-link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  background: rgba(247, 242, 231, 0.7);
  color: var(--charcoal);
  border: 1px solid rgba(26, 26, 24, 0.22);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.3;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.account-link:hover {
  background: var(--gold-light);
  color: var(--ink-green);
  border-color: var(--gold);
}

.account-link--primary {
  background: var(--deep-green);
  color: var(--ivory);
  border-color: var(--deep-green);
}

.account-link--primary:hover {
  background: var(--ink-green);
  color: var(--gold-light);
  border-color: var(--gold);
}

.account-plaque :focus-visible {
  outline-color: var(--cinnabar);
}

.nav-toggle {
  display: none;
  align-items: center;
  align-self: center;
  gap: 10px;
  padding: 10px 12px;
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.nav-toggle:hover {
  background: rgba(198, 161, 91, 0.12);
  border-color: var(--gold);
}

.nav-toggle-bars {
  display: inline-grid;
  width: 18px;
  gap: 4px;
}

.nav-toggle-bars span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle-label {
  white-space: nowrap;
}

.site-header[data-open] .nav-toggle {
  background: var(--gold);
  color: var(--ink-green);
  border-color: var(--gold);
}

.site-header[data-open] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.site-header[data-open] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.site-header[data-open] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.site-nav {
  display: block;
  background: linear-gradient(180deg, var(--deep-green), #0E2F28);
  border-top: 1px solid rgba(198, 161, 91, 0.28);
  border-bottom: 1px solid rgba(198, 161, 91, 0.4);
}

.nav-shell {
  position: relative;
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: center;
  padding-block: 6px 7px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(14px, 2.8vw, 42px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 10px 2px;
  color: var(--sand);
  font-size: 15px;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--gold);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--ivory);
}

.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-list a[aria-current="page"] {
  color: var(--gold-light);
}

.nav-footnote {
  position: absolute;
  right: 0;
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  color: rgba(232, 220, 195, 0.62);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1.5;
  white-space: nowrap;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: 3px;
  background: rgba(11, 36, 31, 0.22);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold), var(--gold-light));
  transition: width 120ms linear;
}

.site-footer {
  position: relative;
  overflow: hidden;
  color: var(--sand);
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(198, 161, 91, 0.14), transparent 55%),
    linear-gradient(135deg, var(--ink-green) 0 78%, #102F29 78% 100%);
  border-top: 1px solid var(--line-strong);
}

.site-footer::before {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(to bottom, transparent 0 39px, rgba(198, 161, 91, 0.08) 39px 40px);
  content: "";
  pointer-events: none;
}

.footer-top {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(40px, 6vw, 72px) clamp(30px, 4vw, 48px);
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ivory);
}

.footer-brand-link:hover {
  color: var(--ivory);
}

.footer-brand .brand-mark {
  width: 46px;
  height: 46px;
}

.footer-brand-line {
  margin: 22px 0 10px;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.35;
}

.footer-note {
  max-width: 42ch;
  margin-bottom: 20px;
  color: rgba(232, 220, 195, 0.72);
  font-size: 14px;
  line-height: 1.8;
}

.footer-cta {
  margin-top: 2px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.footer-heading {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--gold-light);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

.footer-links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: rgba(247, 242, 231, 0.78);
  font-size: 14px;
  line-height: 1.5;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-contact {
  color: var(--sand);
}

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

.footer-contact-list li {
  display: grid;
  gap: 2px;
  font-size: 14px;
  line-height: 1.6;
}

.footer-label {
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

.footer-contact-value {
  color: rgba(247, 242, 231, 0.82);
  word-break: break-word;
}

.footer-contact-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cinnabar);
  color: rgba(232, 220, 195, 0.68);
  font-size: 12px;
  line-height: 1.7;
}

.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(198, 161, 91, 0.25);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 16px;
  color: rgba(232, 220, 195, 0.55);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.footer-copyright,
.footer-icp,
.footer-domain {
  margin: 0;
}

.footer-domain {
  color: var(--gold);
  letter-spacing: 0.16em;
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 11px 20px;
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-align: center;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--gold);
  color: var(--ink-green);
  border-color: var(--gold);
}

.btn--primary:hover {
  background: var(--gold-light);
  color: var(--ink-green);
  border-color: var(--gold-light);
}

.btn--outline {
  background: transparent;
  color: inherit;
  border-color: var(--line-strong);
}

.btn--outline:hover {
  background: var(--gold);
  color: var(--ink-green);
  border-color: var(--gold);
}

.btn--quiet {
  min-height: auto;
  padding-inline: 0;
  background: transparent;
  color: var(--moss);
  border-color: transparent;
}

.btn--quiet:hover {
  color: var(--cinnabar);
  transform: none;
}

.btn--small {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 3px 8px;
  background: rgba(247, 242, 231, 0.6);
  color: var(--moss);
  border: 1px solid var(--line);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.6;
  text-transform: uppercase;
}

.tag--alert {
  background: var(--cinnabar);
  color: var(--ivory);
  border-color: var(--cinnabar);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 18px;
  padding: 0;
  color: var(--stone);
  font-size: 12px;
  letter-spacing: 0.06em;
  list-style: none;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  color: var(--gold);
  content: "/";
}

.breadcrumbs a {
  color: var(--moss);
}

.breadcrumbs a:hover {
  color: var(--cinnabar);
}

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

.page-main {
  background: var(--ivory);
}

.page-shell {
  width: var(--shell);
  margin-inline: auto;
  padding-block: clamp(32px, 5vw, 64px);
}

.page-header {
  max-width: 78ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.prose {
  max-width: 68ch;
  color: var(--charcoal);
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.0625rem);
  line-height: 1.8;
}

.prose > * + * {
  margin-top: 1.1em;
}

.prose h2,
.prose h3 {
  margin-top: 1.8em;
}

.prose ul,
.prose ol {
  padding-left: 1.25em;
}

.prose li + li {
  margin-top: 0.35em;
}

.prose strong {
  color: var(--ink-green);
}

.prose a {
  color: var(--moss);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 0.18em;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
}

.kicker {
  margin: 0 0 8px;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
}

.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ivory);
  border: 1px solid var(--line);
}

.panel--dark {
  background: linear-gradient(145deg, var(--deep-green), var(--ink-green));
  color: var(--sand);
  border-color: rgba(198, 161, 91, 0.4);
}

.panel--sand {
  background: var(--sand);
}

.panel--dark :where(h1, h2, h3, h4, p, li) {
  color: inherit;
}

.cut-corner {
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.seal {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--cinnabar);
  color: var(--ivory);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.ledger-lines {
  background-image: repeating-linear-gradient(to bottom, transparent 0 27px, rgba(198, 161, 91, 0.18) 27px 28px);
}

.rule {
  height: 1px;
  margin-block: clamp(24px, 4vw, 40px);
  background: var(--line);
  border: 0;
}

.index-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.index-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.index-list a {
  color: var(--charcoal);
}

.index-list a:hover {
  color: var(--cinnabar);
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1px;
  background: var(--line);
  content: "";
}

.timeline__item {
  position: relative;
  padding-bottom: 26px;
}

.timeline__marker {
  position: absolute;
  top: 6px;
  left: -26px;
  width: 13px;
  height: 13px;
  background: var(--ivory);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.timeline__body {
  padding-left: 4px;
}

.timeline__body h3 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(24px, 4vw, 56px);
}

.sticky-rail {
  position: sticky;
  top: 24px;
  align-self: start;
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--deep-green), var(--ink-green) 55%, var(--moss));
  border: 1px solid var(--line);
  isolation: isolate;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(227, 201, 143, 0.33);
  content: "";
  pointer-events: none;
}

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

.media-frame--portrait {
  aspect-ratio: 3 / 4;
}

.media-frame--square {
  aspect-ratio: 1;
}

.media-caption {
  margin: 8px 0 0;
  color: var(--stone);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

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

.accordion__item {
  border-bottom: 1px solid var(--line);
}

.accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  background: transparent;
  color: var(--charcoal);
  border: 0;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  text-align: left;
}

.accordion__trigger:hover {
  color: var(--cinnabar);
}

.accordion__trigger::after {
  color: var(--gold);
  content: "+";
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
  transition: transform 200ms ease;
}

.accordion__trigger[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.accordion__panel {
  padding: 0 0 18px;
  color: var(--stone);
  font-size: 15px;
  line-height: 1.8;
}

.accordion__panel[hidden] {
  display: none;
}

.accordion__panel > * + * {
  margin-top: 0.75em;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 6px 12px;
  background: transparent;
  color: var(--moss);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.chip:hover {
  color: var(--ink-green);
  border-color: var(--gold);
}

.chip[aria-pressed="true"] {
  background: var(--deep-green);
  color: var(--ivory);
  border-color: var(--deep-green);
}

@media (max-width: 1024px) {
  .masthead-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
  }

  .masthead-account {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .account-plaque {
    max-width: 560px;
    transform: none;
  }

  .brand-tagline {
    margin-left: 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-nav {
    display: none;
  }

  .site-header[data-open] .site-nav {
    display: block;
  }

  .nav-shell {
    display: block;
    padding-block: 14px;
  }

  .nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    gap: 0 22px;
  }

  .nav-list li {
    border-bottom: 1px solid rgba(198, 161, 91, 0.18);
  }

  .nav-list a {
    display: block;
    padding: 13px 0;
    font-size: 14px;
  }

  .nav-footnote {
    position: static;
    margin-top: 14px;
    padding: 12px 0 0;
    border-top: 1px solid rgba(198, 161, 91, 0.18);
    border-left: 0;
    white-space: normal;
  }
}

@media (max-width: 700px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .announcement-inner {
    flex-wrap: wrap;
    gap: 8px 12px;
    padding-block: 9px;
  }

  .announcement-text {
    flex-basis: 100%;
    order: 3;
    font-size: 12px;
  }

  .announcement-link {
    margin-left: auto;
  }

  .masthead-grid {
    padding-block: 22px 28px;
  }

  .brand-lockup {
    gap: 10px;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
  }

  .brand-name {
    font-size: 1.35rem;
  }

  .brand-tagline {
    font-size: 11px;
    letter-spacing: 0.1em;
  }

  .account-plaque {
    padding: 16px 16px 14px;
  }

  .account-plaque__title {
    font-size: 1.18rem;
  }

  .account-plaque__actions {
    gap: 6px;
  }

  .account-link {
    padding: 6px 8px;
    font-size: 11px;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .footer-bottom-inner {
    justify-content: flex-start;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .sticky-rail {
    position: static;
  }
}

@media (max-width: 480px) {
  .footer-nav {
    grid-template-columns: 1fr;
  }

  .account-plaque__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .account-link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .btn:hover {
    transform: none;
  }

  .scroll-progress__bar {
    transition: none;
  }
}