@font-face {
  font-family: "Cormorant";
  src: url("../fonts/cormorant-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cormorant";
  src: url("../fonts/cormorant-latin-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Noto Serif SC";
  src: url("../fonts/noto-serif-sc-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Serif SC";
  src: url("../fonts/noto-serif-sc-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Noto Serif SC Ext";
  src: url("../fonts/noto-serif-sc-ext.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E8C, U+4EF6, U+53E0, U+5854, U+653F, U+670D, U+6E56, U+7B51;
}

:root {
  --header-h: 74px;
  --serif: "Noto Serif SC", "Noto Serif SC Ext", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --serif-en: "Cormorant", "Noto Serif SC", "Noto Serif SC Ext", Georgia, "Times New Roman", serif;
  --sans: "Noto Sans SC", "Noto Serif SC Ext", -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  --wrap: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #06090f;
  --bg-trans: rgba(6, 9, 15, .78);
  --bg-2: #090e17;
  --panel: rgba(255, 255, 255, .022);
  --panel-solid: #0b111b;
  --line: rgba(233, 227, 214, .10);
  --line-2: rgba(233, 227, 214, .06);
  --line-strong: rgba(201, 169, 107, .38);
  --gold: #c9a96b;
  --gold-2: #e2c78f;
  --gold-soft: rgba(201, 169, 107, .12);
  --text: #ece6d8;
  --text-2: #b9bcc0;
  --muted: #7e8794;
  --safe: #8fb79a;
  --formal: #93a7cc;
  --error: #cf9490;
  --shadow: 0 30px 80px -40px rgba(0, 0, 0, .9);
  --stars-opacity: .85;
  --grain-opacity: .5;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3eee3;
  --bg-trans: rgba(243, 238, 227, .84);
  --bg-2: #f8f4ec;
  --panel: rgba(255, 253, 247, .62);
  --panel-solid: #fffdf8;
  --line: rgba(28, 34, 48, .13);
  --line-2: rgba(28, 34, 48, .07);
  --line-strong: rgba(125, 94, 42, .42);
  --gold: #7d5e2a;
  --gold-2: #8f6c30;
  --gold-soft: rgba(125, 94, 42, .10);
  --text: #1c2230;
  --text-2: #3f4756;
  --muted: #636b78;
  --safe: #456b50;
  --formal: #4d6285;
  --error: #8e4b47;
  --shadow: 0 26px 60px -44px rgba(60, 44, 20, .55);
  --stars-opacity: 0;
  --grain-opacity: .55;
}

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

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(58% 46% at 76% 4%, rgba(36, 56, 96, .50), transparent 72%),
    radial-gradient(44% 38% at 6% 64%, rgba(96, 68, 30, .16), transparent 72%),
    url("../img/stars.png");
  background-repeat: no-repeat, no-repeat, repeat;
  background-size: auto, auto, 640px 640px;
  opacity: 1;
  transition: background-image .3s linear;
}

html[data-theme="light"] body::before {
  background-image:
    radial-gradient(60% 48% at 82% 2%, rgba(201, 169, 107, .20), transparent 70%),
    radial-gradient(46% 40% at 2% 58%, rgba(140, 107, 50, .10), transparent 70%),
    radial-gradient(70% 60% at 50% 100%, rgba(255, 253, 247, .6), transparent 70%);
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-size: auto, auto, auto;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("../img/grain.png");
  background-size: 180px 180px;
  opacity: var(--grain-opacity);
  mix-blend-mode: soft-light;
}

.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .9;
  transition: opacity .6s var(--ease);
}

html[data-theme="light"] .starfield {
  opacity: 0;
}

::selection {
  background: var(--gold);
  color: #0a0e16;
}

html[data-theme="light"] ::selection {
  color: #fffdf8;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--panel-solid);
  border: 1px solid var(--gold);
  font-family: var(--sans);
  font-size: 13px;
  transition: top .2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

.wrap {
  width: min(var(--wrap), calc(100% - clamp(36px, 8vw, 112px)));
  margin-inline: auto;
}

.wrap--narrow {
  width: min(920px, calc(100% - clamp(36px, 8vw, 112px)));
  margin-inline: auto;
}

.main {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--bg-trans);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}

.brand__cn {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .16em;
}

.brand__en {
  font-family: var(--serif-en);
  font-size: 9px;
  letter-spacing: .34em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--text-2);
  padding-block: 6px;
  transition: color .25s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

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

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

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 4px;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text-2);
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.icon-btn:hover {
  color: var(--gold);
  border-color: var(--line-strong);
  background: var(--gold-soft);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

.theme-toggle .sun {
  display: none;
}

html[data-theme="light"] .theme-toggle .sun {
  display: block;
}

html[data-theme="light"] .theme-toggle .moon {
  display: none;
}

.nav-toggle {
  display: none;
}

.site-nav__panel {
  display: contents;
}

.section-rail {
  position: fixed;
  top: 50%;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: stretch;
  transform: translateY(-50%);
}

.section-rail__toggle {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 34px;
  height: 160px;
  padding: 14px 0;
  background: var(--bg-trans);
  border: 1px solid var(--line);
  border-right: 0;
  border-left-color: var(--line-strong);
  color: var(--text-2);
  font-family: var(--sans);
  cursor: pointer;
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}

.section-rail__toggle:hover,
.section-rail.is-open .section-rail__toggle {
  color: var(--gold);
  border-color: var(--line-strong);
  background: var(--panel-solid);
}

.section-rail__toggle:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: -3px;
}

.section-rail__toggle-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
  flex-shrink: 0;
}

.section-rail__toggle-kicker {
  writing-mode: vertical-rl;
  font-size: 9px;
  letter-spacing: .3em;
  color: var(--gold);
  opacity: .72;
}

.section-rail__toggle-current {
  writing-mode: vertical-rl;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: inherit;
}

.section-rail__panel {
  position: absolute;
  right: 100%;
  top: 50%;
  width: 196px;
  padding: 14px 12px 12px;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-right: 0;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-6px, -50%);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}

.section-rail:hover .section-rail__panel,
.section-rail.is-open .section-rail__panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, -50%);
}

.section-rail__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 0 8px 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--muted);
}

.section-rail__head span:last-child {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: .12em;
}

.section-rail__link {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 10px;
  padding: 8px;
  color: var(--text-2);
  font-family: var(--sans);
  transition: color .2s var(--ease), background .2s var(--ease);
}

.section-rail__no {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease);
}

.section-rail__label {
  font-size: 12px;
  letter-spacing: .1em;
  white-space: nowrap;
}

.section-rail__tick {
  width: 14px;
  height: 1px;
  background: var(--line-strong);
  transform-origin: right center;
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.section-rail__link:hover,
.section-rail__link.is-active {
  color: var(--gold);
  background: var(--gold-soft);
}

.section-rail__link:hover .section-rail__no,
.section-rail__link.is-active .section-rail__no {
  color: var(--gold);
}

.section-rail__link:hover .section-rail__tick,
.section-rail__link.is-active .section-rail__tick {
  background: var(--gold);
  transform: scaleX(1.4);
}

.section-rail__link:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: -2px;
}

@media (min-width: 1400px) {
  .section-rail::before {
    content: "";
    position: absolute;
    top: -24px;
    bottom: -24px;
    right: 100%;
    width: 48px;
  }
}

@media (max-width: 1023px) {
  .section-rail {
    display: none;
  }
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: clamp(44px, 6.5vw, 88px) clamp(64px, 9vw, 118px);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: .7;
}

.eyebrow--plain::before {
  display: none;
}

.hero h1 {
  margin: 20px 0 22px;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5.4vw, 4.75rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: .03em;
  text-wrap: balance;
}

.hero h1 .line {
  display: block;
}

.hero h1 .line--shift {
  padding-left: clamp(0px, 2.4vw, 34px);
}

.hero h1 .dot {
  display: inline-block;
  width: .16em;
  height: .16em;
  margin-left: .18em;
  background: var(--gold);
  border-radius: 50%;
  vertical-align: baseline;
  box-shadow: 0 0 18px var(--gold);
}

.hero__lead {
  max-width: 35em;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 2.05;
  color: var(--text-2);
}

.hero__sub {
  max-width: 38em;
  margin: 0 0 34px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid var(--line-strong);
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--text);
  background: transparent;
  transition: background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease), transform .28s var(--ease);
}

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

.btn--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0e16;
}

.btn--gold:hover {
  background: var(--gold-2);
  border-color: var(--gold-2);
}

html[data-theme="light"] .btn--gold {
  color: #fffdf8;
}

.btn--ghost:hover {
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--gold);
}

.btn svg {
  width: 14px;
  height: 14px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: .8;
}

.plate {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 1;
  margin-inline: auto;
}

.plate__ticks {
  position: absolute;
  inset: 1.5%;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, var(--line-strong) 0deg .4deg, transparent .4deg 5deg);
  -webkit-mask: radial-gradient(closest-side, transparent 97.2%, #000 97.4%);
  mask: radial-gradient(closest-side, transparent 97.2%, #000 97.4%);
  opacity: .55;
}

.plate__orbit {
  position: absolute;
  inset: 8%;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
  animation: spin 120s linear infinite;
}

.plate__orbit::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--gold);
}

.plate__ring {
  position: absolute;
  inset: 17%;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  opacity: .38;
}

.plate__ring--outer {
  inset: 23%;
  border-style: dotted;
  opacity: .8;
}

.plate__axis {
  position: absolute;
  background: var(--line-2);
}

.plate__axis--h {
  left: 2%;
  right: 2%;
  top: 50%;
  height: 1px;
}

.plate__axis--v {
  top: 2%;
  bottom: 2%;
  left: 50%;
  width: 1px;
}

.plate__logo {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.plate__logo img {
  grid-area: 1 / 1;
  width: 72%;
  height: auto;
  filter: drop-shadow(0 0 42px rgba(201, 169, 107, .18));
}

html[data-theme="dark"] .for-light,
html[data-theme="light"] .for-dark {
  display: none;
}

.brand__mark img,
.footer-brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.about-side__mark {
  display: block;
}

[hidden] {
  display: none !important;
}

.plate__star {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: .7;
}

.plate__star--1 { top: 12%; left: 24%; }
.plate__star--2 { top: 30%; right: 11%; width: 3px; height: 3px; }
.plate__star--3 { bottom: 18%; left: 12%; width: 3px; height: 3px; }
.plate__star--4 { bottom: 9%; right: 27%; }

.plate__label {
  position: absolute;
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.plate__label--tl { top: 8.6%; left: 6%; }
.plate__label--tr { top: 8.6%; right: 6%; text-align: right; }

.plate__label em {
  font-style: normal;
  color: var(--gold);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.section {
  position: relative;
  padding-block: clamp(64px, 9vw, 120px);
}

.section + .section {
  border-top: 1px solid var(--line-2);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: 24px 64px;
  align-items: end;
  margin-bottom: clamp(34px, 4.5vw, 58px);
}

.section-head__index {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-head__index::after {
  content: "";
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--line-strong);
}

.section-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3.2vw, 2.85rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: .04em;
  text-wrap: balance;
}

.section-desc {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 2;
  color: var(--muted);
}

.section-desc em {
  font-style: normal;
  color: var(--text-2);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 26px);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(24px, 3vw, 38px);
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease);
}

.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--line-strong);
  border-style: solid;
  opacity: .7;
  transition: opacity .35s var(--ease);
}

.card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.card::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 1px 1px 0;
}

.card:hover {
  border-color: var(--line-strong);
  background: var(--panel-solid);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.card__no {
  font-family: var(--serif-en);
  font-size: clamp(2.6rem, 4.4vw, 3.9rem);
  font-weight: 300;
  line-height: .9;
  color: var(--gold);
  opacity: .85;
}

.card__kind {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 6px;
}

.card__url {
  font-family: var(--serif-en);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 400;
  letter-spacing: .03em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.card__url span {
  color: var(--muted);
}

.card h3 {
  margin: 0;
  font-size: clamp(1.1rem, 1.5vw, 1.28rem);
  font-weight: 700;
  letter-spacing: .05em;
}

.card p {
  margin: -8px 0 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-2);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  transition: gap .3s var(--ease);
}

.card:hover .arrow-link {
  gap: 16px;
}

.arrow-link svg {
  width: 13px;
  height: 13px;
}

.cards-note {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
  font-family: var(--serif);
  font-size: 13px;
  font-style: normal;
  letter-spacing: .06em;
  color: var(--muted);
}

.cards-note::before {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--line-strong);
  flex-shrink: 0;
}

.notes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: stretch;
}

.quote-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3.4vw, 44px);
  background:
    linear-gradient(150deg, var(--gold-soft), transparent 42%),
    var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.quote-card::after {
  content: "“";
  position: absolute;
  top: -26px;
  right: 16px;
  font-family: var(--serif-en);
  font-size: 200px;
  line-height: 1;
  color: var(--gold);
  opacity: .08;
  pointer-events: none;
}

.quote-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.quote-card__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.quote-card__label::before {
  content: "";
  width: 5px;
  height: 5px;
  background: currentColor;
  transform: rotate(45deg);
}

.quote-card__date {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

.quote-card blockquote {
  margin: 0 0 20px;
  font-family: var(--serif-en);
  font-size: clamp(1.35rem, 2.1vw, 1.78rem);
  font-weight: 500;
  line-height: 1.58;
  letter-spacing: .008em;
  color: var(--text);
  transition: opacity .25s var(--ease);
}

.quote-card__zh {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-2);
  transition: opacity .25s var(--ease);
}

.quote-card.is-swapping blockquote,
.quote-card.is-swapping .quote-card__zh {
  opacity: 0;
}

.quote-card__note {
  margin: 0 0 20px;
  padding-left: 13px;
  border-left: 1px solid var(--line-strong);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 54ch;
}

.quote-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.quote-card__foot .spacer {
  flex: 1;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
  padding-block: 4px;
  transition: opacity .2s var(--ease);
}

.text-btn:hover {
  opacity: .75;
}

.text-btn svg {
  width: 12px;
  height: 12px;
}

.stat-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--panel);
}

.stat {
  padding: 22px 22px 20px;
  border-bottom: 1px solid var(--line);
}

.stat:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.stat:nth-last-child(-n+2) {
  border-bottom: 0;
}

.stat__num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--serif-en);
  font-size: clamp(2rem, 3.1vw, 2.7rem);
  font-weight: 300;
  line-height: 1;
  color: var(--text);
}

.stat__num small {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--gold);
}

.stat__label {
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.entry-list {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--panel);
}

.entry {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  transition: background .25s var(--ease);
}

.entry:hover {
  background: var(--gold-soft);
}

.entry__no {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
  width: 26px;
  flex-shrink: 0;
}

.entry__name {
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--text-2);
}

.entry__count {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
  white-space: nowrap;
}

.entry svg {
  width: 12px;
  height: 12px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform .25s var(--ease), color .25s var(--ease);
}

.entry:hover svg {
  color: var(--gold);
  transform: translateX(3px);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.timeline li {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px 48px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.timeline__date {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--serif-en);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--gold);
  line-height: 1.2;
}

.timeline__date small {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.timeline__body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
}

.timeline__body p {
  margin: 0;
  max-width: 46em;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 5vw, 72px);
}

.about-side {
  position: relative;
}

.about-side__mark {
  width: 84px;
  height: 84px;
  margin-bottom: 24px;
  opacity: .9;
}

.about-side p {
  margin: 0;
  font-family: var(--serif-en);
  font-size: 15px;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted);
}

.about-body p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 2.1;
  color: var(--text-2);
}

.about-body p:first-child {
  font-size: clamp(1.15rem, 1.7vw, 1.42rem);
  line-height: 1.85;
  color: var(--text);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle {
  padding: 20px 22px 22px 0;
}

.principle + .principle {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.principle__no {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.principle h3 {
  margin: 8px 0 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
}

.principle p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
}

.about-body em {
  font-style: normal;
  color: var(--text);
  letter-spacing: .04em;
}

.about-facts {
  display: grid;
  margin: 30px 0 0;
  border-top: 1px solid var(--line);
}

.about-fact {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-2);
}

.about-fact dt {
  font-family: var(--sans);
  font-size: 10px;
  line-height: 1.9;
  letter-spacing: .2em;
  color: var(--muted);
}

.about-fact dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--text-2);
}

.about-fact:first-child dd {
  color: var(--text);
}

.about-fact dd a {
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.about-fact dd a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.contact-block {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 28px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-block__label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--gold);
  white-space: nowrap;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.contact-links a {
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--text-2);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.contact-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.copy-mark {
  font-family: var(--serif-en);
  font-size: 1.08em;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}

.site-footer__main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 46px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
}

.footer-brand__cn {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .16em;
}

.footer-brand__en {
  margin-top: 3px;
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

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

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px 24px;
  border-top: 1px solid var(--line-2);
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

.site-footer__base span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-footer__base .sep {
  width: 3px;
  height: 3px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: .8;
}

.page-hero {
  position: relative;
  padding-block: clamp(56px, 8vw, 104px) clamp(44px, 6vw, 72px);
  border-bottom: 1px solid var(--line-2);
}

.page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 32px 64px;
  align-items: end;
}

.page-hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.3rem, 4.4vw, 3.7rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .04em;
  text-wrap: balance;
}

.page-hero h1 .dot {
  display: inline-block;
  width: .15em;
  height: .15em;
  margin-left: .16em;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--gold);
}

.page-hero__lead {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 2.05;
  color: var(--text-2);
}

.page-hero__aside {
  padding-bottom: 4px;
}

.page-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-hero__stat b {
  font-family: var(--serif-en);
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
}

.page-hero__stat span {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--muted);
}

.view-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 24px);
}

.view-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.8vw, 34px);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.view-card:hover {
  border-color: var(--line-strong);
  background: var(--panel-solid);
  transform: translateY(-2px);
}

.view-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.view-card__no {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.view-card__count {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

.view-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .08em;
}

.view-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.view-card__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.view-card__go svg {
  width: 12px;
  height: 12px;
  transition: transform .25s var(--ease);
}

.view-card:hover .view-card__go svg {
  transform: translateX(4px);
}

.source-block {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.source-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 22px;
}

.source-block h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .1em;
}

.source-block__note {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

.source-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 56px;
  gap: 16px;
  align-items: center;
  padding-block: 11px;
  border-top: 1px solid var(--line-2);
  font-family: var(--sans);
  font-size: 12px;
}

.source-block__head + .source-row {
  border-top: 0;
}

.source-row--g1 .source-row__bar i { width: 44.8%; }
.source-row--g2 .source-row__bar i { width: 11.0%; }
.source-row--g3 .source-row__bar i { width: 9.2%; }
.source-row--g4 .source-row__bar i { width: 6.1%; }
.source-row--g5 .source-row__bar i { width: 28.8%; }

.source-row__bar {
  height: 2px;
  background: var(--line);
  overflow: hidden;
}

.source-row__bar i {
  display: block;
  height: 100%;
  width: var(--pct);
  background: var(--gold);
  opacity: .7;
}

.source-row__num {
  text-align: right;
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--gold);
}

.source-block__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 62em;
}

.page-hero__note {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line-strong);
  font-family: var(--serif-en);
  font-size: 15px;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted);
}

.noscript-note {
  margin: 0 0 18px;
  padding: 12px 16px;
  border: 1px dashed var(--line-strong);
  font-family: var(--sans);
  font-size: 12px;
  color: var(--muted);
}

.callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  margin-top: clamp(34px, 4.5vw, 54px);
  padding: clamp(22px, 3vw, 32px) clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(120deg, var(--gold-soft), transparent 55%),
    var(--panel);
}

.callout__text h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .08em;
}

.callout__text p {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 24px);
}

.reading-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.reading-card:hover {
  border-color: var(--line-strong);
  background: var(--panel-solid);
  transform: translateY(-2px);
}

.reading-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.reading-card__cat {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--gold);
}

.reading-card__date {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
}

.reading-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .04em;
}

.reading-card p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--muted);
}

.reading-card__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.reading-card__go svg {
  width: 12px;
  height: 12px;
  transition: transform .25s var(--ease);
}

.reading-card:hover .reading-card__go svg {
  transform: translateX(4px);
}

.reading-list {
  border-top: 1px solid var(--line-strong);
}

.reading-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 34px;
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(26px, 3.4vw, 40px) 0;
  border-bottom: 1px solid var(--line-2);
}

.reading-item__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.reading-item__no {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.reading-item__date {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.reading-item__body h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .04em;
}

.reading-item__body p {
  margin: 0 0 14px;
  max-width: 70ch;
  font-size: 13.5px;
  line-height: 2;
  color: var(--text-2);
}

.reading-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.reading-item__go {
  align-self: center;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.reading-item__go:hover {
  color: var(--gold);
  border-color: var(--line-strong);
}

.reading-item__go svg {
  width: 13px;
  height: 13px;
}

.reading-note {
  margin-top: 26px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.9;
  color: var(--muted);
}

.reading-note a {
  color: var(--gold);
  border-bottom: 1px solid var(--line-strong);
}

.toolbar {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  padding-block: 14px;
  background: var(--bg-trans);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.toolbar__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.search {
  position: relative;
  flex: 1 1 280px;
  max-width: 440px;
}

.search svg {
  position: absolute;
  left: 13px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 40px;
  padding: 0 38px 0 38px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--text);
  appearance: none;
  transition: border-color .25s var(--ease);
}

.search input::placeholder {
  color: var(--muted);
}

.search input:focus {
  outline: none;
  border-color: var(--gold);
}

.search input::-webkit-search-cancel-button,
.search input::-webkit-search-decoration {
  -webkit-appearance: none;
  appearance: none;
}

.search__clear {
  position: absolute;
  right: 6px;
  top: 50%;
  display: none;
  place-items: center;
  width: 28px;
  height: 28px;
  transform: translateY(-50%);
  color: var(--muted);
}

.search__submit {
  position: absolute;
  right: 6px;
  top: 50%;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  transform: translateY(-50%);
  color: var(--muted);
  transition: color .2s var(--ease);
}

.search__submit:hover {
  color: var(--gold);
}

.search__submit svg {
  position: static;
  width: 13px;
  height: 13px;
  transform: none;
}

.search__clear.is-visible {
  display: grid;
}

.search__clear svg {
  position: static;
  width: 12px;
  height: 12px;
  transform: none;
}

.toolbar__row + .toolbar__row {
  margin-top: 10px;
}

.toolbar__count {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}

.toolbar__count b {
  font-family: var(--serif-en);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--gold);
}

.toolbar__reset {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.toolbar__reset:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.chips {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.chips::-webkit-scrollbar {
  display: none;
}

.chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-2);
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.chip:hover {
  border-color: var(--line-strong);
  color: var(--gold);
}

.chip[aria-pressed="true"],
.chip[aria-current="page"] {
  color: var(--gold);
  border-color: var(--line-strong);
  background: var(--gold-soft);
}

.chip__n {
  margin-left: 5px;
  font-family: var(--serif-en);
  font-size: 11px;
  opacity: .7;
}

.toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.toolbar__label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.usability-chips .chip {
  padding: 3px 9px;
  font-size: 10.5px;
}

.list {
  max-width: 920px;
  padding-block: clamp(36px, 5vw, 64px) clamp(56px, 7vw, 96px);
}

.group {
  margin-bottom: clamp(42px, 5.5vw, 68px);
}

.group:last-child {
  margin-bottom: 0;
}

.group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-strong);
}

.group__no {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.group h2 {
  margin: 0;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: .08em;
}

.group__count {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
  white-space: nowrap;
}

.sentence {
  position: relative;
  padding: 26px 0 24px;
  border-bottom: 1px solid var(--line-2);
  transition: opacity .2s var(--ease);
}

.sentence:target {
  background: var(--gold-soft);
}

.sentence__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
}

.sentence__id {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-right: 4px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--muted);
  line-height: 1.7;
}

.badge--topic {
  border-style: dashed;
}

.badge--safe { color: var(--safe); border-color: color-mix(in srgb, var(--safe) 40%, transparent); }
.badge--pattern { color: var(--gold); border-color: var(--line-strong); }
.badge--formal { color: var(--formal); border-color: color-mix(in srgb, var(--formal) 40%, transparent); }
.badge--error { color: var(--error); border-color: color-mix(in srgb, var(--error) 45%, transparent); }

.sentence__en {
  margin: 14px 0 10px;
  font-family: var(--serif);
  font-size: clamp(1.06rem, 1.55vw, 1.24rem);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: .006em;
  color: var(--text);
  max-width: 62ch;
}

.sentence {
  scroll-margin-top: calc(var(--header-h) + 190px);
}

.sentence__zh {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-2);
  max-width: 62ch;
}

.sentence__note {
  margin: 0;
  padding-left: 13px;
  border-left: 1px solid var(--line-strong);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 58ch;
}

.sentence__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin-top: 16px;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.sentence__source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  transition: color .2s var(--ease);
}

.sentence__source:hover {
  color: var(--gold);
}

.sentence__source svg {
  width: 11px;
  height: 11px;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  transition: color .2s var(--ease);
}

.copy-btn:hover,
.copy-btn.is-done {
  color: var(--gold);
}

.copy-btn svg {
  width: 11px;
  height: 11px;
}

.empty-state {
  display: none;
  padding: 70px 20px;
  text-align: center;
}

.empty-state.is-visible {
  display: block;
}

.empty-state__mark {
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  color: var(--line-strong);
}

.empty-state h2 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .08em;
}

.empty-state p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.empty-state a {
  color: var(--gold);
  border-bottom: 1px solid var(--line-strong);
}

.sentence__origin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
}

.sentence__origin svg {
  width: 11px;
  height: 11px;
}

.search-results {
  min-height: 220px;
}

.search-loading {
  padding: 34px 0 20px;
  text-align: center;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

.pager-wrap {
  padding-bottom: clamp(56px, 7vw, 96px);
}

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 20px;
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.pager__pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.pager__page {
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--line);
  font-family: var(--serif-en);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-2);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.pager__page:hover {
  color: var(--gold);
  border-color: var(--line-strong);
}

.pager__page[aria-current="page"] {
  color: var(--gold);
  border-color: var(--line-strong);
  background: var(--gold-soft);
}

.pager__step {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  white-space: nowrap;
  transition: color .2s var(--ease);
}

.pager__step:hover {
  color: var(--gold);
}

.pager__step svg {
  width: 12px;
  height: 12px;
}

.pager__step.is-disabled,
.pager__step:disabled {
  color: var(--muted);
  opacity: .35;
  cursor: not-allowed;
}

.pager__meta {
  margin: 14px 0 0;
  text-align: center;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted);
}

.prose {
  padding-block: clamp(44px, 6vw, 76px) clamp(64px, 8vw, 104px);
}

.prose h2 {
  margin: clamp(38px, 5vw, 52px) 0 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  font-size: clamp(1.25rem, 1.9vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .06em;
}

.prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.prose p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 2.05;
  color: var(--text-2);
}

.prose p strong {
  font-weight: 700;
  color: var(--text);
}

.prose ol,
.prose ul {
  margin: 0 0 22px;
  padding-left: 22px;
}

.prose li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--text-2);
}

.prose li::marker {
  color: var(--gold);
}

.prose a {
  color: var(--gold);
  border-bottom: 1px solid color-mix(in srgb, var(--gold) 40%, transparent);
}

.rule-list {
  display: grid;
  gap: 0;
  margin: 0 0 22px;
  border-top: 1px solid var(--line);
}

.rule {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 12px 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.rule dt {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.rule dt b {
  font-size: 14px;
  letter-spacing: .06em;
}

.rule dt span {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.rule dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--muted);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  border-top: 1px solid var(--line);
}

.steps li {
  counter-increment: step;
  position: relative;
  margin: 0;
  padding: 18px 0 18px 52px;
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--gold);
}

.steps li b {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  color: var(--text);
}

.prose blockquote {
  margin: 28px 0;
  padding: 22px 26px;
  border-left: 1px solid var(--gold);
  background: var(--gold-soft);
  font-family: var(--serif-en);
  font-size: 20px;
  line-height: 1.6;
  color: var(--text);
}

.prose blockquote p {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.back-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--muted);
  transition: color .2s var(--ease);
}

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

.back-link svg {
  width: 12px;
  height: 12px;
}

.notfound {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: 80px;
}

.notfound__inner {
  position: relative;
  width: 100%;
  text-align: center;
}

.notfound__no {
  font-family: var(--serif-en);
  font-size: clamp(6rem, 18vw, 13rem);
  font-weight: 300;
  line-height: .9;
  color: var(--gold);
  opacity: .28;
  letter-spacing: .04em;
}

.notfound h1 {
  margin: 18px 0 14px;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: .06em;
}

.notfound p {
  margin: 0 0 30px;
  font-size: 14px;
  color: var(--muted);
}

.notfound .actions {
  justify-content: center;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 1040px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 40px;
  }

  .plate {
    width: min(100%, 440px);
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: start;
  }

  .page-hero__grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .page-hero__aside {
    max-width: 460px;
  }

  .reading-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 66px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--text-2);
  }

  .nav-toggle svg {
    width: 16px;
    height: 16px;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 55;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 8px clamp(18px, 5vw, 40px) 22px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }

  .site-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line-2);
    font-size: 14px;
  }

  .site-nav a::after {
    display: none;
  }

  html[data-nav="open"] .site-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  html[data-nav="open"] .nav-toggle {
    color: var(--gold);
    border-color: var(--line-strong);
  }

  .header-tools {
    margin-left: auto;
  }

  .hero {
    min-height: 0;
    padding-top: clamp(36px, 7vw, 56px);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: clamp(34px, 7vw, 56px);
  }

  .plate {
    width: min(100%, 400px);
    margin-inline: auto;
  }

  .hero__lead,
  .hero__sub {
    max-width: none;
  }

  .cards,
  .notes-grid,
  .view-grid {
    grid-template-columns: 1fr;
  }

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

  .about-side {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .about-side__mark {
    width: 64px;
    height: 64px;
    margin: 0;
    flex-shrink: 0;
  }

  .timeline li {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px 28px;
  }

  .toolbar {
    position: static;
  }

  .list {
    padding-top: 32px;
  }

  .source-row {
    grid-template-columns: 104px minmax(0, 1fr) 44px;
  }
}

@media (max-width: 720px) {
  .wrap,
  .wrap--narrow {
    width: calc(100% - 36px);
  }

  .site-header__inner {
    gap: 12px;
  }

  .brand__cn {
    font-size: 15px;
  }

  .brand__en {
    font-size: 8px;
  }

  .brand__mark {
    width: 26px;
    height: 26px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.1rem);
  }

  .plate__label {
    font-size: 8px;
    letter-spacing: .18em;
  }

  .plate__label--tl { left: 3.5%; }
  .plate__label--tr { right: 3.5%; }

  .hero__meta {
    gap: 6px 16px;
  }

  .principles {
    grid-template-columns: 1fr;
  }

  .principle {
    padding: 18px 0;
  }

  .principle + .principle {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line-2);
  }

  .about-fact {
    grid-template-columns: 4.4em minmax(0, 1fr);
    gap: 12px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .timeline__date {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    font-size: 17px;
  }

  .rule {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-footer__main {
    padding-block: 34px;
  }

  .page-hero h1 {
    font-size: clamp(2rem, 9vw, 2.6rem);
  }

  .sentence__en {
    font-size: 1.16rem;
    line-height: 1.66;
  }

  .toolbar__row {
    gap: 10px;
  }

  .search {
    max-width: none;
    flex-basis: 100%;
  }

  .toolbar__row + .toolbar__row {
  margin-top: 10px;
}

.toolbar__count {
    order: 3;
    margin-left: auto;
  }

  .quote-card blockquote {
    font-size: 1.3rem;
  }

  .reading-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .reading-item__meta {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
  }

  .reading-item__go {
    display: none;
  }

  .pager {
    flex-direction: column;
  }

  .pager__pages {
    order: -1;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  body::before,
  body::after,
  .starfield,
  .section-rail,
  .site-header,
  .site-footer,
  .toolbar,
  .plate {
    display: none !important;
  }

  html,
  body {
    background: #fff;
    color: #111;
  }

  .list {
    max-width: none;
  }

  .sentence {
    break-inside: avoid;
    border-bottom: 1px solid #ccc;
  }

  a {
    text-decoration: underline;
  }
}