:root {
  --ink-950: #0B0F0E;
  --paper-50: #F7F4EC;
  --celadon-600: #4F7A6A;
  --celadon-300: #A8C3B5;
  --celadon-50: #EDF4F0;
  --cinnabar-600: #B33A2B;
  --gold-500: #C8A45D;
  --slate-500: #5D6B66;
  --pine-900: #1C3B32;
  --focus-400: #D69B2D;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --header-h: 86px;
  --gutter: clamp(20px, 4vw, 64px);
  --shell-max: 1440px;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 18px 50px rgba(11, 15, 14, 0.08);
  --shadow-header: 0 18px 48px rgba(11, 15, 14, 0.3);
  --ease: cubic-bezier(0.22, 0.72, 0.28, 1);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--paper-50);
}
body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-950);
  background: var(--paper-50);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}
ul,
ol {
  margin: 0 0 1.2em;
  padding-left: 1.3em;
}
img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  background: none;
  border: 0;
  cursor: pointer;
}
a {
  color: var(--celadon-600);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}
[hidden] {
  display: none !important;
}
::selection {
  background: var(--celadon-300);
  color: var(--ink-950);
}
:focus-visible {
  outline: 3px solid var(--focus-400);
  outline-offset: 3px;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--ink-950);
  margin: 0 0 0.55em;
}
h1 {
  font-size: clamp(3rem, 8vw, 7.5rem);
}
h2 {
  font-size: clamp(2rem, 4.5vw, 4.2rem);
}
h3 {
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
}
h4 {
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
}
p {
  margin: 0 0 1.25em;
  max-width: 72ch;
}
main {
  display: block;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-180%);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--focus-400);
  color: var(--ink-950);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 0 var(--gutter);
  color: var(--paper-50);
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(11, 15, 14, 0.9) 0%, rgba(11, 15, 14, 0.45) 58%, rgba(11, 15, 14, 0) 100%);
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(11, 15, 14, 0.97);
  border-bottom-color: rgba(200, 164, 93, 0.2);
  box-shadow: var(--shadow-header);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.header-shell {
  width: 100%;
  max-width: var(--shell-max);
  min-height: var(--header-h);
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(16px, 2.6vw, 40px);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  color: var(--paper-50);
  text-decoration: none;
  border-radius: 16px;
}
.brand-seal {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(200, 164, 93, 0.7);
  border-radius: 50%;
  background: rgba(200, 164, 93, 0.08);
  color: var(--gold-500);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}
.brand-sub {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: rgba(247, 244, 236, 0.58);
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  min-width: 0;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 2px;
  color: rgba(247, 244, 236, 0.72);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7px;
  height: 1px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--paper-50);
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}
.nav-link[aria-current="page"] {
  color: var(--gold-500);
}
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  min-width: 0;
}
.season-shortcut {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.48em 1em;
  border: 1px solid rgba(200, 164, 93, 0.42);
  border-radius: var(--radius-pill);
  background: rgba(247, 244, 236, 0.04);
  color: var(--paper-50);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.season-shortcut:hover,
.season-shortcut:focus-visible {
  background: rgba(200, 164, 93, 0.12);
  border-color: rgba(200, 164, 93, 0.8);
  color: var(--gold-500);
}
.matrix-wrap {
  position: relative;
  display: inline-flex;
}
.matrix-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  min-height: 36px;
  padding: 0.48em 0.95em;
  border: 1px solid rgba(247, 244, 236, 0.24);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper-50);
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.matrix-toggle:hover,
.matrix-toggle:focus-visible {
  background: rgba(247, 244, 236, 0.06);
  border-color: rgba(200, 164, 93, 0.68);
}
.matrix-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar-600);
  box-shadow: 0 0 0 4px rgba(179, 58, 43, 0.18);
}
.matrix-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  z-index: 110;
  width: min(420px, calc(100vw - var(--gutter) - var(--gutter)));
  padding: 18px;
  border: 1px solid rgba(200, 164, 93, 0.28);
  border-radius: var(--radius-lg);
  background: var(--ink-950);
  color: var(--paper-50);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
}
.matrix-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--celadon-300);
}
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.matrix-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid rgba(247, 244, 236, 0.1);
  border-radius: var(--radius-sm);
  background: rgba(247, 244, 236, 0.04);
  color: var(--paper-50);
  font-size: 13px;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.matrix-link:hover,
.matrix-link:focus-visible {
  transform: translateY(-1px);
  background: var(--pine-900);
  border-color: rgba(200, 164, 93, 0.6);
}
.matrix-link span {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--celadon-300);
}
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(247, 244, 236, 0.25);
  border-radius: 50%;
  background: rgba(247, 244, 236, 0.04);
  color: var(--paper-50);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle-line {
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
.read-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--celadon-300), var(--gold-500), var(--cinnabar-600));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
  pointer-events: none;
}
.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 96px) var(--gutter) 28px;
  border-top: 1px solid rgba(200, 164, 93, 0.32);
  background: radial-gradient(1200px 700px at 85% 10%, rgba(79, 122, 106, 0.22), transparent 60%), linear-gradient(145deg, var(--ink-950), var(--pine-900) 70%, #10271f);
  color: var(--paper-50);
}
.site-footer::before {
  content: "江南";
  position: absolute;
  right: clamp(-30px, -1vw, 0px);
  bottom: -0.16em;
  font-family: var(--font-serif);
  font-size: clamp(8rem, 22vw, 20rem);
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: rgba(247, 244, 236, 0.035);
  pointer-events: none;
  user-select: none;
}
.footer-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 96px);
  padding-bottom: clamp(32px, 5vw, 64px);
}
.footer-brand {
  display: block;
}
.footer-brand-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--paper-50);
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-decoration: none;
}
.footer-brand-copy {
  max-width: 46ch;
  margin-bottom: 22px;
  color: rgba(247, 244, 236, 0.68);
  font-size: 14px;
  line-height: 1.9;
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 8px;
  border: 1px solid rgba(200, 164, 93, 0.26);
  border-radius: var(--radius-pill);
  background: rgba(247, 244, 236, 0.03);
  color: rgba(247, 244, 236, 0.78);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.badge-seal {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(200, 164, 93, 0.45);
  border-radius: 50%;
  background: rgba(200, 164, 93, 0.12);
  color: var(--gold-500);
  font-family: var(--font-mono);
  font-size: 9px;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 60px);
  align-content: start;
}
.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.footer-heading {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--celadon-300);
}
.footer-link {
  display: inline-flex;
  padding: 5px 0;
  border-bottom: 1px solid transparent;
  color: rgba(247, 244, 236, 0.72);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--gold-500);
  border-bottom-color: rgba(200, 164, 93, 0.6);
}
.footer-contact {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 32px);
  margin-bottom: 22px;
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 1px solid rgba(247, 244, 236, 0.14);
  border-bottom: 1px solid rgba(247, 244, 236, 0.14);
}
.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--celadon-300);
}
.footer-contact-value {
  color: rgba(247, 244, 236, 0.86);
  font-size: 13px;
  line-height: 1.7;
  word-break: break-word;
}
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  color: rgba(247, 244, 236, 0.5);
  font-size: 12px;
}
.footer-note {
  max-width: 52ch;
  margin: 0;
  color: rgba(247, 244, 236, 0.58);
}
.footer-icp {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: rgba(247, 244, 236, 0.62);
}
.footer-year {
  margin: 0;
  font-family: var(--font-mono);
  color: rgba(247, 244, 236, 0.5);
}
.container {
  width: min(calc(100% - var(--gutter) - var(--gutter)), var(--shell-max));
  margin-inline: auto;
}
.content-container {
  width: min(calc(100% - var(--gutter) - var(--gutter)), 780px);
  margin-inline: auto;
}
.page-section {
  padding-block: clamp(56px, 8vw, 120px);
}
.layout-split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
}
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}
.span-4 {
  grid-column: span 4;
}
.span-5 {
  grid-column: span 5;
}
.span-7 {
  grid-column: span 7;
}
.span-8 {
  grid-column: span 8;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon-600);
}
.section-title {
  margin-bottom: 0.4em;
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.035em;
}
.section-intro {
  max-width: 64ch;
  color: var(--slate-500);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}
.index-label {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  color: var(--slate-500);
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  line-height: 1;
  color: var(--celadon-600);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate-500);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-height: 44px;
  padding: 0.65em 1.25em;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover {
  transform: translateY(-1px);
}
.btn--primary {
  background: var(--celadon-600);
  color: var(--paper-50);
}
.btn--primary:hover {
  background: var(--pine-900);
}
.btn--ghost {
  background: transparent;
  color: var(--ink-950);
  border-color: rgba(11, 15, 14, 0.24);
}
.btn--ghost:hover {
  border-color: var(--celadon-600);
  color: var(--celadon-600);
}
.btn--small {
  min-height: 36px;
  padding: 0.45em 0.95em;
  font-size: 12px;
}
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25em 0.75em;
  border: 1px solid var(--celadon-300);
  border-radius: var(--radius-pill);
  background: var(--celadon-50);
  color: var(--pine-900);
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.08em;
}
.pill--cinnabar {
  border-color: rgba(179, 58, 43, 0.3);
  background: rgba(179, 58, 43, 0.1);
  color: var(--cinnabar-600);
}
.pill--gold {
  border-color: rgba(200, 164, 93, 0.38);
  background: rgba(200, 164, 93, 0.12);
  color: #7a5a1f;
}
.pill--ink {
  border-color: rgba(247, 244, 236, 0.16);
  background: var(--ink-950);
  color: var(--paper-50);
}
.breadcrumbs {
  padding-block: 0.5rem 1.25rem;
}
.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-500);
}
.breadcrumbs-item + .breadcrumbs-item::before {
  content: "/";
  color: var(--celadon-300);
}
.breadcrumbs-link {
  color: var(--slate-500);
  text-decoration: none;
}
.breadcrumbs-link:hover,
.breadcrumbs-link:focus-visible {
  color: var(--celadon-600);
}
.breadcrumbs-current {
  color: var(--ink-950);
}
.card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(11, 15, 14, 0.08);
  border-radius: var(--radius-lg);
  background: var(--paper-50);
  box-shadow: 0 1px 0 rgba(11, 15, 14, 0.04);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(79, 122, 106, 0.26);
  box-shadow: var(--shadow-card);
}
.card--paper {
  background: var(--paper-50);
}
.card--ink {
  background: var(--ink-950);
  color: var(--paper-50);
  border-color: rgba(200, 164, 93, 0.2);
}
.card--celadon {
  background: var(--celadon-50);
  border-color: rgba(79, 122, 106, 0.18);
}
.card-body {
  position: relative;
  z-index: 1;
}
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-500);
}
.card--ink .card-meta {
  color: var(--celadon-300);
}
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid rgba(11, 15, 14, 0.1);
  border-radius: var(--radius-lg);
  background: var(--paper-50);
}
.data-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(11, 15, 14, 0.1);
  background: var(--celadon-50);
  color: var(--slate-500);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-align: left;
}
.data-table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(11, 15, 14, 0.08);
}
.data-table tr:last-child td {
  border-bottom: 0;
}
.data-table tbody tr:hover {
  background: var(--celadon-50);
}
.data-table .num {
  font-family: var(--font-mono);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--celadon-50);
  isolation: isolate;
}
.media-frame img,
.media-frame picture,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(11, 15, 14, 0.08);
  border-radius: inherit;
  pointer-events: none;
}
.media-frame--wide {
  aspect-ratio: 16 / 9;
}
.media-frame--portrait {
  aspect-ratio: 4 / 5;
}
.media-frame--square {
  aspect-ratio: 1 / 1;
}
.media-frame--cut {
  clip-path: polygon(0 0, 100% 0, 100% 92%, 92% 100%, 0 100%);
}
.media-caption {
  margin-top: 0.75rem;
  color: var(--slate-500);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.archive-index {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding-left: 1rem;
  border-left: 1px solid var(--celadon-300);
  font-size: 12px;
  line-height: 1.6;
}
.archive-index-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}
.archive-index-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.archive-index-link {
  display: inline-block;
  margin-left: -1rem;
  padding-left: calc(1rem - 2px);
  border-left: 2px solid transparent;
  color: var(--slate-500);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.archive-index-link:hover,
.archive-index-link:focus-visible,
.archive-index-link[aria-current="true"] {
  color: var(--ink-950);
  border-left-color: var(--cinnabar-600);
}
.theme-band {
  display: flex;
  gap: clamp(12px, 2vw, 24px);
  overflow-x: auto;
  padding-block: 1rem;
  border-block: 1px solid rgba(11, 15, 14, 0.1);
  scrollbar-width: thin;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 1020px) {
  .header-shell {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 10px);
    left: var(--gutter);
    right: var(--gutter);
    z-index: 105;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 2px;
    padding: 12px;
    border: 1px solid rgba(200, 164, 93, 0.22);
    border-radius: var(--radius-lg);
    background: var(--ink-950);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
  }
  .site-nav[data-open="true"] {
    display: flex;
  }
  .site-nav .nav-link {
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 15px;
  }
  .site-nav .nav-link::after {
    display: none;
  }
  .site-nav .nav-link:hover {
    background: rgba(247, 244, 236, 0.06);
  }
  .site-nav .nav-link[aria-current="page"] {
    background: rgba(200, 164, 93, 0.1);
    color: var(--gold-500);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .season-shortcut {
    display: none;
  }
}
@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .layout-split {
    grid-template-columns: 1fr;
  }
  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .span-4,
  .span-5,
  .span-7,
  .span-8 {
    grid-column: span 6;
  }
  .archive-index {
    position: static;
    padding-top: 1rem;
    padding-left: 0;
    border-top: 1px solid var(--celadon-300);
    border-left: 0;
  }
}
@media (max-width: 720px) {
  :root {
    --header-h: 72px;
  }
  .brand-sub {
    display: none;
  }
  .brand-name {
    font-size: 0.92rem;
  }
  .brand-seal {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
  .header-actions {
    gap: 0.35rem;
  }
  .matrix-toggle {
    padding: 0.5em 0.8em;
    font-size: 11px;
  }
  .matrix-panel {
    right: 0;
    width: min(320px, calc(100vw - 40px));
  }
  .matrix-grid {
    grid-template-columns: 1fr;
  }
  .site-nav {
    top: calc(var(--header-h) + 8px);
  }
}
@media (max-width: 620px) {
  .footer-nav {
    grid-template-columns: 1fr;
  }
  .footer-contact {
    grid-template-columns: 1fr;
  }
  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  .grid-12 {
    grid-template-columns: 1fr;
  }
  .span-4,
  .span-5,
  .span-7,
  .span-8 {
    grid-column: 1 / -1;
  }
  .data-table {
    min-width: 560px;
  }
  .site-footer::before {
    font-size: clamp(7rem, 30vw, 12rem);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .card:hover,
  .btn:hover,
  .matrix-link:hover {
    transform: none;
  }
  .read-progress {
    transition: none !important;
  }
}