/* Xiang Ye — site styles. */

:root {
  --celadon: #dce4dc;
  --celadon-deep: #ccd9d0;
  --paper: #f4f0e5;
  --paper-soft: #ebe9dd;
  --ink: #283630;
  /* Secondary text colors meet AA contrast on the light background. */
  --ink-soft: #4f5d56;
  --ink-faint: #58665f;
  --cinnabar: #a04b3e;
  --cinnabar-soft: #bc7668;
  --line: rgba(40, 54, 48, 0.22);
  --line-soft: rgba(40, 54, 48, 0.12);
  /* Diagonal background grid. */
  --glaze-grid:
    linear-gradient(112deg, transparent calc(50% - 1px),
      color-mix(in srgb, var(--ink) 7%, transparent) 50%, transparent calc(50% + 1px)),
    linear-gradient(24deg, transparent calc(50% - 1px),
      color-mix(in srgb, var(--ink) 5%, transparent) 50%, transparent calc(50% + 1px));
  --glaze-grid-size: 192px 150px, 258px 214px;
  --shadow: 0 28px 70px rgba(48, 68, 59, 0.13);
  --header-height: 92px;
  --shell: 1420px;
  --serif: Georgia, "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --sans: Inter, "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;
}

/* Dark palette. */
html[data-theme="ink"] {
  --celadon: #18241f;
  --celadon-deep: #202f28;
  --paper: #202c27;
  --paper-soft: #26342e;
  --ink: #e5ece6;
  --ink-soft: #b5c0b9;
  --ink-faint: #87978e;
  --cinnabar: #d18170;
  --cinnabar-soft: #bd7062;
  --line: rgba(226, 236, 229, 0.22);
  --line-soft: rgba(226, 236, 229, 0.11);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 30px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--celadon);
  color: var(--ink);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background 240ms ease, color 240ms ease;
}

body,
button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  border: 0;
  color: inherit;
  font: inherit;
}

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

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 4px;
}

::selection {
  background: var(--cinnabar);
  color: #fff9ed;
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  position: relative;
  width: min(var(--shell), calc(100% - 72px));
  margin-inline: auto;
}

/* Background grid shared by the page and homepage hero. */
.celadon-crackle,
.song-hero::after {
  background-image: var(--glaze-grid);
  background-size: var(--glaze-grid-size);
  background-position: 22px 11px, -67px 57px;
  mask-image: linear-gradient(110deg,
      rgba(0, 0, 0, 0.35), black 16%, rgba(0, 0, 0, 0.65) 50%, black 86%, rgba(0, 0, 0, 0.35));
  pointer-events: none;
}

.celadon-crackle {
  position: fixed;
  z-index: -3;
  inset: 0;
  opacity: 0.85;
}

body[data-page="home"] .celadon-crackle {
  opacity: 0.5;
}

.page-wash {
  position: fixed;
  z-index: -2;
  width: 38vw;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(18px);
  opacity: 0.35;
}

.page-wash--one {
  top: 10vh;
  left: -12vw;
  background: radial-gradient(circle, rgba(244, 240, 229, 0.7), transparent 72%);
}

.page-wash--two {
  right: -12vw;
  bottom: -14vw;
  background: radial-gradient(circle, rgba(151, 179, 163, 0.28), transparent 72%);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  height: var(--header-height);
  background: color-mix(in srgb, var(--celadon) 86%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow 220ms ease, background 220ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--line), 0 12px 30px rgba(41, 58, 51, 0.06);
}

.header-inner {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 250px;
  align-items: center;
  width: min(var(--shell), calc(100% - 72px));
  height: 100%;
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  width: max-content;
}

.brand-seal,
.footer-seal {
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 18px;
}

.brand-wordmark {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-wordmark strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.brand-wordmark small {
  color: var(--ink-faint);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 1.8vw, 30px);
}

.nav-link {
  position: relative;
  padding: 34px 0 31px;
  color: var(--ink-soft);
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 50%;
  bottom: -1px;
  left: 50%;
  height: 2px;
  background: var(--cinnabar);
  content: "";
  transition: right 180ms ease, left 180ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--cinnabar);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  right: 0;
  left: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.cv-link {
  color: var(--ink);
  font-size: 10.5px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cv-link>span[aria-hidden="true"] {
  margin-left: 7px;
  color: var(--cinnabar);
}

.language-toggle,
.theme-toggle {
  position: relative;
  display: grid;
  height: 32px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.language-toggle {
  min-width: 48px;
  padding-inline: 10px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.language-toggle:hover {
  border-color: var(--cinnabar);
  background: color-mix(in srgb, var(--paper) 42%, transparent);
  color: var(--cinnabar);
}

.theme-toggle {
  width: 38px;
}

.theme-toggle span {
  position: absolute;
  font-size: 10px;
  transition: opacity 180ms ease, transform 180ms ease;
}

.theme-toggle__ink {
  opacity: 0;
  transform: rotate(-20deg) scale(0.7);
}

html[data-theme="ink"] .theme-toggle__light {
  opacity: 0;
  transform: rotate(20deg) scale(0.7);
}

html[data-theme="ink"] .theme-toggle__ink {
  opacity: 1;
  transform: none;
}

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  padding: 10px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 1px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

/* ==========================================================================
   HOMEPAGE HERO
   ========================================================================== */

.song-hero {
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: 1fr auto;
  min-height: calc(100svh - var(--header-height));
  padding: clamp(50px, 6vh, 80px) 0 46px;
}

/* Opaque background for blending the landscape image's white paper. */
.song-hero::before {
  position: absolute;
  z-index: -4;
  inset: 0 calc((100% - 100vw) / 2);
  background: radial-gradient(ellipse at 12% 28%,
      color-mix(in srgb, var(--paper) 22%, var(--celadon)),
      var(--celadon) 65%);
  pointer-events: none;
  content: "";
}

/* Grid layer between the background and landscape. */
.song-hero::after {
  position: absolute;
  z-index: -3;
  inset: 0 calc((100% - 100vw) / 2);
  background-position: 22px calc(11px - var(--header-height)), -67px calc(57px - var(--header-height));
  opacity: 0.5;
  content: "";
}

/* Landscape image at the lower left of the hero. */
.hero-landscape {
  position: absolute;
  z-index: -2;
  left: min(-36px, calc((1420px - 100vw) / 2));
  bottom: 0;
  width: min(780px, 58vw);
  aspect-ratio: 3 / 2;
  background: url("../images/decoration/song-shoreline.webp") left bottom / contain no-repeat;
  mix-blend-mode: multiply;
  opacity: 0.38;
  mask-image: linear-gradient(to right, black 52%, transparent 100%);
  pointer-events: none;
}

html[data-theme="ink"] .hero-landscape {
  filter: invert(1);
  mix-blend-mode: screen;
  opacity: 0.17;
}

.page-mark {
  position: absolute;
  z-index: -1;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.75;
  opacity: 0.055;
  pointer-events: none;
  user-select: none;
}

.page-mark--home {
  top: 4%;
  right: -1%;
  font-size: clamp(260px, 31vw, 480px);
}

.qin-lines {
  --qin-dot-start: 12%;
  --qin-dot-step: 1.55%;
  position: absolute;
  z-index: -1;
  top: 47%;
  right: calc((100% - 100vw) / 2);
  left: calc((100% - 100vw) / 2);
  display: grid;
  gap: 13px;
  transform: translateY(-50%);
  pointer-events: none;
}

.qin-lines i {
  position: relative;
  height: 1px;
  background: linear-gradient(to right, var(--line-soft) 0%, var(--line-soft) 52%, transparent 78%);
}

/* One marker per line, positioned diagonally. */
.qin-lines i::before {
  position: absolute;
  top: 50%;
  left: calc(var(--qin-dot-start) + var(--qin-string) * var(--qin-dot-step));
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ink-soft) 36%, var(--celadon));
  box-shadow: inset 0 1px 1px color-mix(in srgb, var(--paper) 55%, transparent);
  transform: translate(-50%, -50%);
  content: "";
}

.qin-lines i:nth-child(1) { --qin-string: 0; }
.qin-lines i:nth-child(2) { --qin-string: 1; }
.qin-lines i:nth-child(3) { --qin-string: 2; }
.qin-lines i:nth-child(4) { --qin-string: 3; }
.qin-lines i:nth-child(5) { --qin-string: 4; }
.qin-lines i:nth-child(6) { --qin-string: 5; }
.qin-lines i:nth-child(7) { --qin-string: 6; }

.hero-inscription {
  z-index: 3;
  grid-column: 1 / 4;
  grid-row: 1;
  align-self: start;
  padding: 12px 0 0 4px;
}

.inscription-label {
  margin: 0;
  color: var(--cinnabar);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.inscription-cn {
  margin: 36px 0 12px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(17px, 1.3vw, 21px);
  letter-spacing: 0.1em;
  line-height: 1.9;
}

.inscription-en {
  max-width: 260px;
  margin: 0 0 10px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 12.5px;
  font-style: italic;
  line-height: 1.7;
}

.hero-inscription small {
  color: var(--ink-faint);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.moon-portrait {
  position: relative;
  z-index: 2;
  grid-column: 3 / 8;
  grid-row: 1;
  align-self: center;
  justify-self: center;
  width: min(520px, 39vw);
  margin: 0;
  transform-style: preserve-3d;
  transition: transform 250ms ease-out;
}

.moon-window {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  padding: 11px;
  border: 1px solid color-mix(in srgb, var(--ink-soft) 24%, var(--celadon));
  border-radius: 50%;
  background: linear-gradient(135deg,
      color-mix(in srgb, var(--paper) 92%, white) 3%,
      color-mix(in srgb, var(--celadon-deep) 84%, var(--ink-soft)) 34%,
      var(--paper) 60%,
      color-mix(in srgb, var(--celadon-deep) 88%, var(--ink-soft)) 83%,
      var(--paper));
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, var(--paper) 72%, transparent),
    0 2px 5px rgba(48, 68, 59, 0.08),
    0 20px 48px rgba(48, 68, 59, 0.12);
}

.moon-window::before,
.moon-window::after {
  position: absolute;
  z-index: 3;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.moon-window::before {
  inset: 4px;
  border: 1px solid color-mix(in srgb, var(--paper) 80%, transparent);
}

.moon-window::after {
  inset: 10px;
  border: 1px solid color-mix(in srgb, var(--ink-soft) 35%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--paper) 54%, transparent);
}

html[data-theme="ink"] .moon-window {
  background: linear-gradient(135deg, #c5d4c5, #728d7e 34%, #b9c9b7 60%, #567263 83%, #a8bba9);
  box-shadow: inset 0 0 0 2px rgba(226, 236, 229, 0.18), 0 20px 52px rgba(0, 0, 0, 0.28);
}

.moon-window img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% center;
  filter: saturate(0.68) contrast(0.98);
}

html[data-theme="ink"] .moon-window img {
  filter: saturate(0.57) brightness(0.82) contrast(1.04);
}

.portrait-motto {
  position: absolute;
  z-index: 4;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.22em;
  writing-mode: vertical-rl;
}

.portrait-motto--top {
  top: 8%;
  right: clamp(-44px, -3vw, -24px);
  color: var(--cinnabar);
}

.portrait-motto--bottom {
  bottom: 15%;
  left: -9%;
  color: var(--ink-soft);
}

.moon-portrait figcaption {
  margin-top: 18px;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 12.5px;
  font-style: italic;
  letter-spacing: 0.03em;
  text-align: center;
}

.hero-copy {
  position: relative;
  z-index: 3;
  grid-column: 8 / 13;
  grid-row: 1;
  align-self: center;
  padding-left: clamp(30px, 3.7vw, 52px);
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--cinnabar);
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow>span:first-child {
  width: 24px;
  height: 1px;
  background: currentColor;
}

.hero-name-lockup {
  display: flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  gap: clamp(14px, 2vw, 28px);
  margin: 24px 0 25px;
}

.hero-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(78px, 7.4vw, 118px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.85;
  white-space: nowrap;
}

.hero-title em {
  color: var(--cinnabar);
  font-weight: 400;
}

.hero-name-cn {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: clamp(64px, 5vw, 78px);
  height: clamp(104px, 8.4vw, 132px);
  margin: 2px 0 0;
  padding-left: 15px;
  color: color-mix(in srgb, var(--cinnabar) 84%, var(--ink-soft));
}

.hero-name-cn__art {
  display: block;
  width: 100%;
  height: 100%;
  background: currentColor;
  -webkit-mask: url("../images/identity/xiang-ye-calligraphy.png") center / contain no-repeat;
  mask: url("../images/identity/xiang-ye-calligraphy.png") center / contain no-repeat;
}

.hero-name-cn::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 1px;
  height: 46px;
  background: color-mix(in srgb, var(--cinnabar) 60%, transparent);
  content: "";
  transform: translateY(-50%);
}

.hero-role {
  margin: 0 0 25px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
}

.hero-summary {
  max-width: 535px;
  margin: 0 0 30px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 43px;
  padding: 12px 18px;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--ink);
  color: var(--paper);
}

.button--primary:hover {
  background: var(--cinnabar);
  color: #fff9ef;
}

.button--quiet {
  padding-inline: 0;
  color: var(--ink-soft);
}

.button--quiet>span[aria-hidden="true"] {
  color: var(--cinnabar);
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 25px;
}

.social-row a {
  color: var(--ink-faint);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
}

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

.question-index {
  position: relative;
  z-index: 4;
  grid-column: 8 / 13;
  grid-row: 2;
  display: grid;
  grid-template-columns: 130px repeat(auto-fit, minmax(145px, 1fr));
  align-self: end;
  margin-top: 36px;
  border-top: 1px solid var(--line);
}

.question-index>span {
  padding: 15px 12px 0 0;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.question-index p {
  margin: 0;
  padding: 14px 15px;
  border-left: 1px solid var(--line-soft);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.55;
}

.hero-scroll {
  position: absolute;
  bottom: 34px;
  left: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-faint);
  font-size: 9.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-scroll i {
  width: 50px;
  height: 1px;
  background: var(--line);
}

/* Latest notes. */
.notes-ribbon {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 250px repeat(5, 1fr);
  min-height: 190px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.notes-ribbon__title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 35px 42px;
  background: var(--ink);
  color: var(--paper);
}

.notes-ribbon__title>span {
  color: color-mix(in srgb, var(--paper) 70%, var(--celadon));
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.2em;
}

.notes-ribbon__title h2 {
  margin: 13px 0 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
}

.notes-ribbon>a {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  padding: 27px 22px;
  border-right: 1px solid var(--line-soft);
  transition: background 180ms ease;
}

.notes-ribbon>a:hover {
  background: var(--paper-soft);
}

.notes-ribbon>a>time {
  color: var(--cinnabar);
  font-size: 11px;
}

.notes-ribbon>a strong {
  align-self: center;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.45;
}

.notes-ribbon>a>span:last-child {
  justify-self: end;
  color: var(--ink-faint);
}

.notes-ribbon__empty {
  position: relative;
  display: grid;
  grid-column: 2 / -1;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.notes-ribbon__empty p {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 20px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-align: center;
}

.notes-ribbon__empty i {
  border-right: 1px solid var(--line-soft);
}

.notes-ribbon__empty i:last-child {
  border-right: 0;
}

/* ==========================================================================
   SHARED SECTIONS
   ========================================================================== */

.paper-section {
  width: 100%;
  background: var(--paper);
}

.section-divider {
  display: grid;
  grid-template-columns: 1fr 7px 1fr;
  align-items: center;
  gap: 9px;
  width: 190px;
  margin-inline: auto;
  padding-top: 72px;
}

.section-divider span {
  height: 1px;
  background: var(--line);
}

.section-divider i {
  width: 7px;
  height: 7px;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
}

.section-heading {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 22px;
  padding-top: clamp(95px, 10vw, 150px);
}

.section-number {
  margin: 5px 0 0;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.15em;
}

.section-heading h2 {
  margin: 17px 0 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.education-section .section-heading h2 {
  max-width: 980px;
  text-wrap: balance;
}

.section-heading--compact {
  grid-template-columns: 70px 1fr;
  padding-top: 0;
}

.section-heading--compact h2 {
  font-size: clamp(34px, 3.4vw, 50px);
}

.profile-section {
  padding-bottom: clamp(95px, 11vw, 160px);
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.72fr);
  gap: clamp(55px, 8vw, 130px);
  margin-top: 76px;
  padding-left: 152px;
}

.profile-prose {
  max-width: 760px;
}

.profile-prose p {
  margin: 0 0 26px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.75;
}

.profile-prose p:first-child::first-letter {
  float: left;
  margin: 8px 10px 0 0;
  color: var(--cinnabar);
  font-size: 54px;
  line-height: 0.7;
}

.verse-card {
  position: relative;
  align-self: start;
  padding: 46px 42px 38px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--celadon) 56%, transparent);
}

.verse-card__seal {
  position: absolute;
  top: -24px;
  right: 26px;
  display: grid;
  width: 49px;
  height: 49px;
  place-items: center;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 18px;
}

.verse-card blockquote {
  margin: 0;
}

.verse-card blockquote p {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.05em;
  line-height: 1.65;
}

.verse-card blockquote footer {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 13px;
  font-style: italic;
  line-height: 1.65;
}

.verse-card>small {
  display: block;
  margin-top: 20px;
  color: var(--ink-faint);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.availability-dot {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.availability-dot i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6f8d6f;
  box-shadow: 0 0 0 4px rgba(111, 141, 111, 0.14);
}

.interests-section {
  padding-bottom: clamp(100px, 12vw, 180px);
}

.interests-section .section-heading,
.experience-section .section-heading {
  padding-top: 55px;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 74px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.interest-card {
  position: relative;
  min-height: 285px;
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  transition: background 180ms ease, transform 180ms ease;
}

.interest-card:hover {
  z-index: 2;
  background: color-mix(in srgb, var(--paper) 52%, transparent);
  transform: translateY(-4px);
}

.interest-number {
  color: var(--cinnabar);
  font-size: 11px;
}

.interest-card h3 {
  margin: 70px 0 18px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
}

.interest-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.card-line {
  position: absolute;
  right: 25px;
  bottom: 24px;
  left: 25px;
  height: 1px;
  background: var(--line-soft);
}

.card-line::after {
  position: absolute;
  right: 0;
  width: 30px;
  height: 1px;
  background: var(--cinnabar);
  content: "";
}

.education-section {
  padding-bottom: clamp(105px, 12vw, 170px);
}

.education-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.65fr);
  gap: clamp(60px, 9vw, 145px);
  margin-top: 76px;
  padding-left: 152px;
}

.education-verse {
  align-self: start;
  margin-top: 0;
  min-height: 0;
}

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

.education-item {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 20px;
  padding: 31px 0;
  border-bottom: 1px solid var(--line-soft);
}

.education-item time {
  color: var(--cinnabar);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.education-item h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
}

.education-item p {
  margin: 0 0 5px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.education-item div>span {
  color: var(--ink-faint);
  font-size: 11.5px;
}

/* Professional experience */
.experience-section {
  padding-bottom: clamp(105px, 12vw, 170px);
}

.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.65fr);
  gap: clamp(60px, 9vw, 145px);
  margin-top: 76px;
  padding-left: 152px;
}

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

.experience-item {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 20px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-soft);
}

.experience-item time {
  color: var(--cinnabar);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.experience-item h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 400;
}

.experience-item p {
  margin: 0 0 5px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.experience-item div>span {
  color: var(--ink-faint);
  font-size: 11.5px;
}

.experience-verse {
  align-self: start;
  min-height: 0;
}

.closing-panel {
  padding: clamp(100px, 12vw, 180px) 0;
  text-align: center;
}

.closing-rule {
  display: grid;
  grid-template-columns: 1fr 10px 1fr;
  align-items: center;
  gap: 10px;
  max-width: 340px;
  margin: 0 auto 45px;
}

.closing-rule span {
  height: 1px;
  background: var(--line);
}

.closing-rule i {
  width: 7px;
  height: 7px;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
}

.closing-panel h2 {
  margin: 22px auto 38px;
  font-family: var(--serif);
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.closing-nav {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  max-width: 1220px;
  margin: 58px auto 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.closing-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 0 22px;
  color: var(--ink);
  border-right: 1px solid var(--line-soft);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.closing-nav__link:last-child {
  border-right: 0;
}

.closing-nav__link i {
  color: var(--cinnabar);
  font-style: normal;
  transition: transform 180ms ease;
}

.closing-nav__link:hover {
  background: var(--paper);
}

.closing-nav__link:hover i {
  transform: translate(3px, -3px);
}

/* ==========================================================================
   INNER PAGE HEROES · oversized marks 研 / 文 / 行 / 闲 / 信
   ========================================================================== */

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.58fr);
  align-items: end;
  column-gap: clamp(70px, 9vw, 145px);
  min-height: 550px;
  padding: 108px 0 90px;
  border-bottom: 1px solid var(--line);
  overflow: clip;
}

.page-hero>div {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin: 25px 0 30px;
  font-family: var(--serif);
  font-size: clamp(76px, 8.4vw, 122px);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 1;
}

.page-hero>div>p:last-child {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
}

.page-hero .page-mark {
  right: auto;
  bottom: 7%;
  left: clamp(210px, 27vw, 390px);
  font-size: clamp(220px, 27vw, 400px);
  opacity: 0.04;
  transform: translateX(-50%);
}

.page-verse {
  position: relative;
  z-index: 2;
  justify-self: end;
  width: min(330px, 100%);
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.page-verse p {
  margin: 0 0 11px;
  font-family: var(--serif);
}

.page-verse .page-verse__cn {
  color: var(--ink-soft);
  font-size: 20px;
  letter-spacing: 0.06em;
  line-height: 1.75;
}

.page-verse .page-verse__en {
  color: var(--ink-faint);
  font-size: 13px;
  font-style: italic;
  line-height: 1.7;
}

.page-verse small {
  color: var(--cinnabar);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Placeholder pages. */
.placeholder {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  place-items: center;
  padding: 100px 0;
}

.placeholder-inner {
  position: relative;
  z-index: 3;
  width: min(780px, 85%);
  text-align: center;
}

.placeholder h1 {
  margin: 28px 0;
  font-family: var(--serif);
  font-size: clamp(84px, 11vw, 155px);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 0.82;
}

.placeholder-rule {
  display: grid;
  width: 170px;
  height: 1px;
  margin: 37px auto;
  background: var(--line);
}

.placeholder-inner>p:last-of-type {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
}

.placeholder-mark {
  position: absolute;
  z-index: 0;
  right: -3%;
  bottom: 5%;
  color: var(--ink);
  font-family: var(--serif);
  font-size: min(48vw, 620px);
  line-height: 0.75;
  opacity: 0.04;
}

.placeholder-verse {
  position: absolute;
  z-index: 3;
  top: 18%;
  left: 0;
  width: min(290px, 28%);
}

.placeholder-landscape {
  position: absolute;
  right: -10%;
  bottom: 0;
  left: -10%;
  height: 38%;
  opacity: 0.12;
  pointer-events: none;
}

.placeholder-landscape i {
  position: absolute;
  bottom: -12%;
  width: 62%;
  height: 90%;
  border-radius: 50% 50% 0 0;
  background: var(--ink);
  filter: blur(1px);
  transform: skewX(-20deg);
}

.placeholder-landscape i:nth-child(1) {
  left: -12%;
  opacity: 0.35;
}

.placeholder-landscape i:nth-child(2) {
  left: 28%;
  height: 70%;
  opacity: 0.24;
}

.placeholder-landscape i:nth-child(3) {
  right: -18%;
  height: 56%;
  opacity: 0.16;
}

/* Publications synchronized from Google Scholar */
.page-hero--publications h1 {
  font-size: clamp(68px, 7.5vw, 110px);
}

.page-hero--publications>div>p:last-child {
  max-width: 650px;
}

.publications-section {
  padding: clamp(65px, 7vw, 95px) 0 clamp(105px, 10vw, 150px);
}

.publications-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 22px;
}

.publications-toolbar>p {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.publications-toolbar>p strong {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 400;
  letter-spacing: 0;
}

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

.publication-entry {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  padding: 22px 4px 23px;
  border-bottom: 1px solid var(--line-soft);
}

.publication-entry>time {
  padding-top: 2px;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 15px;
}

.publication-entry article {
  min-width: 0;
}

.publication-entry h2 {
  max-width: 1100px;
  margin: 0 0 7px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.publication-entry h2 a {
  display: inline-flex;
  align-items: flex-start;
  gap: 13px;
  transition: color 180ms ease;
}

.publication-entry h2 i {
  padding-top: 0.18em;
  color: var(--cinnabar);
  font-family: var(--sans);
  font-size: 0.55em;
  font-style: normal;
  transition: transform 180ms ease;
}

.publication-entry h2 a:hover {
  color: var(--cinnabar);
}

.publication-entry h2 a:hover i {
  transform: translate(3px, -3px);
}

.publication-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.publication-venue {
  color: var(--ink-faint);
  font-family: var(--serif);
  font-style: italic;
}

.publication-authors + .publication-venue::before {
  margin: 0 0.6em;
  color: var(--cinnabar);
  content: "\00b7";
  font-style: normal;
}

.publications-sync-note {
  margin: 30px 0 0;
  color: var(--ink-faint);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

.publications-empty {
  padding: 50px 0;
  border-block: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--serif);
}

.publications-empty p {
  margin: 0 0 14px;
}

.publications-empty a {
  color: var(--cinnabar);
}

/* ========================================================================== 
   RESEARCH
   ========================================================================== */

.research-programme {
  padding: clamp(105px, 10vw, 150px) 0 clamp(125px, 12vw, 180px);
}

.research-direction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(600px, 100%), 1fr));
  gap: 42px;
}

.research-direction {
  container-name: research-direction;
  container-type: inline-size;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 66%, transparent);
  box-shadow: 0 24px 60px rgba(48, 68, 59, 0.09);
}

.research-direction__header {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 27px;
  padding: clamp(36px, 4vw, 56px);
}

.direction-seal {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 21px;
}

.direction-heading {
  position: relative;
  display: block;
  max-width: 950px;
}

.direction-heading>p {
  margin: 1px 0 15px;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.direction-heading h2 {
  margin: 0 0 17px;
  font-family: var(--serif);
  font-size: clamp(34px, 3.6vw, 48px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.direction-heading>span {
  display: block;
  max-width: 820px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
}

.direction-title-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 17px;
}

.direction-title-row h2 {
  margin: 0;
}

.direction-site-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  min-height: 31px;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--cinnabar) 48%, transparent);
  border-radius: 999px;
  color: var(--cinnabar);
  font-size: 10.5px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.direction-site-button i {
  font-style: normal;
}

.direction-site-button:hover {
  background: var(--cinnabar);
  color: #fff9ef;
  transform: translateY(-1px);
}

.research-project--linked h4 {
  transition: color 180ms ease;
}

.research-project--linked:hover h4 {
  color: var(--cinnabar);
}

.research-projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.research-project {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 330px;
  padding: 38px 34px 32px;
  flex-direction: column;
  border-right: 1px solid var(--line-soft);
  background: transparent;
}

.research-project:last-child {
  border-right: 0;
}

.research-project--linked {
  transition: background 180ms ease, transform 180ms ease;
}

.research-project--linked:hover {
  z-index: 1;
  background: color-mix(in srgb, var(--celadon) 40%, transparent);
  transform: translateY(-3px);
}

.research-project__number {
  margin: 0;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.research-project h4 {
  margin: 52px 0 19px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.28;
}

.research-project__summary {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.72;
}

.research-project__link {
  align-self: flex-start;
  margin: 20px 0 24px;
}

.research-project__rule {
  position: relative;
  height: 1px;
  margin-top: auto;
  background: var(--line-soft);
}

.research-project__rule::after {
  position: absolute;
  right: 0;
  width: 36px;
  height: 1px;
  background: var(--cinnabar);
  content: "";
}

.research-project>i {
  position: absolute;
  right: 34px;
  bottom: 32px;
  color: var(--cinnabar);
  font-style: normal;
}

.related-articles {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 126px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--celadon) 33%, var(--paper));
}

.related-articles__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 30px;
  border-right: 1px solid var(--line-soft);
}

.related-articles__heading p {
  margin: 0;
  font-family: var(--serif);
  font-size: 16px;
}

.related-articles__heading>span {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 20px;
}

.related-articles__empty {
  align-self: center;
  margin: 0;
  padding: 28px 34px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  line-height: 1.6;
}

.related-articles__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.related-articles__list li {
  border-bottom: 1px solid var(--line-soft);
}

.related-articles__list li:last-child {
  border-bottom: 0;
}

.related-articles__list a,
.related-articles__list li>div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 18px;
  padding: 22px 30px;
}

.related-articles__list strong {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
  transition: color 180ms ease;
}

.related-articles__list a>span,
.related-articles__list li>div>span,
.related-articles__list small {
  color: var(--ink-faint);
  font-size: 11px;
}

.related-articles__copy small {
  display: block;
  margin-top: 5px;
  line-height: 1.5;
}

.related-articles__list i {
  color: var(--cinnabar);
  font-style: normal;
}

.related-articles__list a:hover strong {
  color: var(--cinnabar);
}

.related-tutorials {
  background: color-mix(in srgb, var(--paper) 78%, var(--celadon));
}

@container research-direction (max-width: 900px) {
  .research-projects {
    grid-template-columns: 1fr;
  }

  .research-project {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .research-project:last-child {
    border-bottom: 0;
  }

  .research-project h4 {
    margin-top: 30px;
  }

  .research-project__rule {
    margin-top: 38px;
  }
}

/* ==========================================================================
   RESOURCES
   ========================================================================== */

.resources-section {
  padding: clamp(85px, 9vw, 130px) 0 clamp(120px, 12vw, 175px);
}

.resource-section-heading {
  display: grid;
  grid-template-columns: minmax(240px, 0.58fr) minmax(320px, 0.72fr);
  align-items: end;
  gap: clamp(45px, 8vw, 120px);
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.resource-section-heading h2,
.resource-tutorials h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.resource-section-heading>p,
.resource-tutorials header>p:last-child {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
}

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

.package-card {
  position: relative;
  display: flex;
  min-height: 300px;
  padding: 34px 36px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 42%, transparent);
}

.package-card__meta {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.package-card__meta>span {
  color: var(--cinnabar);
}

.package-card__meta small+small::before {
  margin-right: 13px;
  color: var(--cinnabar);
  content: "·";
}

.package-card h3 {
  margin: 62px 0 18px;
  font-family: var(--serif);
  font-size: clamp(28px, 2.7vw, 39px);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.package-card>p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.72;
}

.package-card>i {
  margin-top: auto;
  padding-top: 34px;
  color: var(--cinnabar);
  font-size: 11px;
  font-style: normal;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.package-card--linked {
  transition: background-color 180ms ease, transform 180ms ease;
}

.package-card--linked:hover {
  z-index: 1;
  background: color-mix(in srgb, var(--paper) 76%, var(--celadon));
  transform: translateY(-3px);
}

.resource-empty {
  display: grid;
  min-height: 220px;
  place-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
}

.resource-tutorials {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: clamp(45px, 7vw, 100px);
  margin-top: clamp(72px, 8vw, 110px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.resource-tutorials h2 {
  font-size: clamp(30px, 3vw, 42px);
}

.resource-tutorials header>p:last-child {
  margin-top: 22px;
  font-size: 14px;
}

.resource-tutorial-list {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
  list-style: none;
}

.resource-tutorial-list>li {
  border-top: 1px solid var(--line-soft);
}

.resource-tutorial-list>li>a,
.resource-tutorial-list>li>div {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 12px 4px;
}

.resource-tutorial-list>li>a>span,
.resource-tutorial-list>li>div>span {
  color: var(--cinnabar);
  font-size: 11px;
}

.resource-tutorial-list strong {
  display: block;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
}

.resource-tutorial-list small {
  display: block;
  margin-top: 6px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.55;
}

.resource-tutorial-list i {
  color: var(--cinnabar);
  font-style: normal;
}

.resource-tutorial-list a:hover strong {
  color: var(--cinnabar);
}

.resource-tutorials__empty {
  align-self: start;
  margin: 0;
  padding: 26px 4px;
  border-block: 1px solid var(--line-soft);
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
}

/* ==========================================================================
   NOTES · chronological index and Markdown article typography
   ========================================================================== */

.notes-index {
  padding: clamp(75px, 8vw, 110px) 0 clamp(120px, 12vw, 170px);
}

.notes-list {
  max-width: 1120px;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.notes-list>li {
  border-bottom: 1px solid var(--line-soft);
}

.notes-list>li>a {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 28px;
  gap: 30px;
  padding: 30px 4px 32px;
}

.notes-list time {
  padding-top: 6px;
  color: var(--cinnabar);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.notes-list article {
  min-width: 0;
}

.notes-list h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.2vw, 31px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.3;
  transition: color 180ms ease;
}

.notes-list a:hover h2 {
  color: var(--cinnabar);
}

.notes-list article>p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.notes-list ul,
.note-header ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 17px 0 0;
  padding: 0;
  list-style: none;
}

.notes-list ul li,
.note-header ul li {
  padding: 5px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--ink-faint);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.notes-list>li>a>i {
  color: var(--cinnabar);
  font-style: normal;
}

.notes-empty {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 245px;
  border-block: 1px solid var(--line);
}

.notes-empty p {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 24px;
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: clamp(15px, 1.7vw, 19px);
  letter-spacing: 0.06em;
  text-align: center;
}

.notes-empty>span {
  border-right: 1px solid var(--line-soft);
}

.notes-empty>span:last-child {
  border-right: 0;
}

.note-article {
  max-width: 920px;
  padding: clamp(75px, 9vw, 125px) 0 clamp(120px, 12vw, 175px);
}

.note-back,
.note-footer a {
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.note-header {
  margin-top: 58px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line);
}

.note-header>time {
  display: block;
  margin-top: 31px;
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.note-header h1 {
  max-width: 850px;
  margin: 20px 0 24px;
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.note-header>p {
  max-width: 700px;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
}

.note-body {
  max-width: 760px;
  margin: 62px auto 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.82;
}

.note-body h2,
.note-body h3 {
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.note-body h2 {
  margin: 2.2em 0 0.75em;
  font-size: 32px;
}

.note-body h3 {
  margin: 1.9em 0 0.65em;
  font-size: 24px;
}

.note-body p,
.note-body ul,
.note-body ol,
.note-body blockquote,
.note-body pre,
.note-body table {
  margin-block: 0 1.35em;
}

.note-body a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.note-body blockquote {
  padding: 2px 0 2px 25px;
  border-left: 1px solid var(--cinnabar);
  color: var(--ink-faint);
  font-style: italic;
}

.note-body code {
  padding: 0.13em 0.35em;
  border-radius: 3px;
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.84em;
}

.note-body pre {
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  background: var(--paper);
  line-height: 1.6;
}

.note-body pre code {
  padding: 0;
  background: transparent;
}

.note-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.note-body th,
.note-body td {
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  text-align: left;
}

.note-footer {
  margin-top: 78px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}

/* Activity timeline */
.timeline-section {
  padding: 100px 0 140px;
}

.timeline-year {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-top: 1px solid var(--line);
}

.year-label {
  padding-top: 30px;
}

.year-label span {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 30px;
}

.timeline-items {
  border-left: 1px solid var(--line);
}

.timeline-item {
  position: relative;
  padding: 30px 42px 33px;
  border-bottom: 1px solid var(--line-soft);
}

.timeline-dot {
  position: absolute;
  top: 31px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--celadon);
  border-radius: 50%;
  background: var(--cinnabar);
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink-faint);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-meta>span {
  color: var(--cinnabar);
}

.timeline-item h2 {
  max-width: 930px;
  margin: 17px 0 7px;
  font-family: var(--serif);
  font-size: clamp(21px, 1.9vw, 28px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.timeline-details {
  margin: 0;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.55;
}

.timeline-place {
  color: var(--cinnabar);
}

.timeline-title {
  color: var(--ink-soft);
}

.timeline-place + .timeline-title::before {
  margin: 0 0.65em;
  color: var(--cinnabar);
  content: "\00b7";
}

.timeline-title>span:first-child {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Activity — distinctions */
.distinctions-section {
  padding: 100px 0 150px;
}

.distinctions-section>div {
  max-width: 900px;
}

.distinction-list {
  margin: 55px 0 0 92px;
  border-top: 1px solid var(--line);
}

.distinction-list article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 15px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line-soft);
}

.distinction-list time {
  color: var(--cinnabar);
  font-size: 11px;
}

.distinction-list h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
}

.distinction-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.65;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 100px 0 130px;
  border-left: 1px solid var(--line);
}

.about-card {
  position: relative;
  display: grid;
  grid-template-columns: 58px 1fr;
  min-height: 260px;
  padding: 36px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-card:nth-child(-n+3) {
  border-top: 1px solid var(--line);
}

.about-mark {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 27px;
}

.about-card h2 {
  margin: 4px 0 19px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
}

.about-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.about-quote {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  padding: 30px 0 140px;
}

.about-quote>span {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.18em;
}

.about-quote blockquote {
  margin: 0;
  padding: 35px 0 35px 50px;
  border-left: 1px solid var(--line);
}

.about-quote__cn {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 36px);
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.about-quote__en {
  max-width: 850px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(18px, 1.7vw, 24px);
  font-style: italic;
  line-height: 1.6;
}

.about-quote__source {
  display: block;
  margin-top: 24px;
  color: var(--cinnabar);
  font-size: 10.5px;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.62fr);
  gap: clamp(70px, 10vw, 160px);
  padding: 105px 0 150px;
}

.contact-letter {
  position: relative;
  padding-left: 80px;
}

.letter-rule {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--line);
}

.letter-rule::before {
  position: absolute;
  top: 0;
  left: -4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  content: "";
}

.contact-letter h2 {
  margin: 25px 0 35px;
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.18;
}

.contact-letter h2 span {
  display: block;
  white-space: nowrap;
}

.contact-letter>p {
  max-width: 720px;
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
}

.contact-letter .button {
  margin-top: 25px;
}

.contact-details {
  position: relative;
  align-self: start;
  border-top: 1px solid var(--line);
}

.contact-details article {
  display: grid;
  grid-template-columns: 42px 125px minmax(0, 1fr);
  column-gap: 8px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line-soft);
}

.contact-index {
  color: var(--cinnabar);
  font-size: 11px;
}

.contact-details article>p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-details a,
.contact-details address {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
}

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

/* 404 */
.not-found {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  place-items: center;
  text-align: center;
}

.not-found>div {
  display: grid;
  place-items: center;
}

.not-found-code {
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: clamp(110px, 20vw, 270px);
  line-height: 0.72;
  opacity: 0.3;
}

.not-found h1 {
  margin: 28px 0 15px;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 70px);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.not-found p:not(.eyebrow) {
  margin: 0 0 28px;
  color: var(--ink-soft);
}

/* ==========================================================================
   FOOTER & SMALL UTILITIES
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: 4;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  width: min(var(--shell), calc(100% - 72px));
  min-height: 150px;
  margin-inline: auto;
}

.footer-signature {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-signature div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-signature strong {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 400;
}

.footer-signature div>span {
  color: var(--ink-faint);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-verse {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  text-align: center;
}

.footer-verse>span {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.footer-verse small {
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 11px;
  font-style: italic;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  color: var(--ink-faint);
  font-size: 12px;
}

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

.back-to-top {
  position: fixed;
  z-index: 900;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

/* Reveal motion is progressive enhancement; content stays visible without JS. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms cubic-bezier(.22, 1, .36, 1), transform 650ms cubic-bezier(.22, 1, .36, 1);
}

.js [data-reveal][data-reveal-delay="1"] {
  transition-delay: 90ms;
}

.js [data-reveal][data-reveal-delay="2"] {
  transition-delay: 170ms;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   RESPONSIVE LAYOUT
   ========================================================================== */

@media (max-width: 1180px) {
  .header-inner {
    grid-template-columns: 160px minmax(0, 1fr) 230px;
  }

  .primary-nav {
    gap: 14px;
  }

  .cv-link {
    font-size: 10.5px;
  }

  .song-hero {
    width: calc(100% - 48px);
  }

  .qin-lines {
    --qin-dot-start: 3%;
    --qin-dot-step: 1.1%;
  }

  .moon-portrait {
    grid-column: 2 / 7;
    width: min(430px, 40vw);
  }

  .hero-copy {
    grid-column: 8 / 13;
    padding-left: 0;
  }

  .portrait-motto--top {
    right: -30px;
  }

  .question-index {
    grid-column: 7 / 13;
  }

  .notes-ribbon {
    grid-template-columns: 205px repeat(5, 1fr);
  }

  .notes-ribbon__title {
    padding-inline: 28px;
  }

  .notes-ribbon>a {
    padding-inline: 16px;
  }

  .profile-grid,
  .education-layout,
  .experience-layout {
    padding-left: 80px;
  }

  .interest-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .interest-card:nth-child(4),
  .interest-card:nth-child(5) {
    min-height: 240px;
  }
}

@media (max-width: 1040px) {
  :root {
    --header-height: 80px;
  }

  .section-shell,
  .header-inner,
  .footer-inner {
    width: calc(100% - 36px);
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .brand-wordmark small {
    display: none;
  }

  .header-actions {
    grid-column: 2;
  }

  .language-toggle,
  .theme-toggle,
  .menu-toggle {
    height: 44px;
  }

  .theme-toggle,
  .menu-toggle {
    width: 44px;
  }

  .language-toggle {
    min-width: 52px;
  }

  .cv-link {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    z-index: -1;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: flex;
    height: calc(100svh - var(--header-height));
    padding: 40px 30px;
    flex-direction: column;
    justify-content: safe center;
    gap: 0;
    background: var(--paper);
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 200ms ease, transform 200ms ease;
  }

  .primary-nav .nav-link {
    padding: 17px 0;
    border-bottom: 1px solid var(--line-soft);
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
  }

  .nav-link::after {
    display: none;
  }

  .site-header.is-menu-open .primary-nav {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .song-hero {
    display: flex;
    width: calc(100% - 38px);
    min-height: auto;
    padding: 52px 0 60px;
    flex-direction: column;
    gap: 48px;
  }

  .hero-inscription {
    order: 1;
  }

  .moon-portrait {
    order: 2;
    align-self: center;
    width: min(88%, 520px);
  }

  .portrait-motto--top {
    right: -22px;
  }

  .hero-copy {
    order: 3;
    width: 100%;
    padding: 0 8px;
  }

  .question-index {
    order: 4;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .question-index>span {
    padding-bottom: 12px;
  }

  .question-index p {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .hero-scroll {
    display: none;
  }

  .qin-lines {
    --qin-dot-start: 10%;
    --qin-dot-step: 1.5%;
    top: 34%;
  }

  .hero-landscape {
    left: -19px;
    bottom: 0;
    width: min(660px, 90vw);
    opacity: 0.24;
  }

  .page-mark--home {
    top: 33%;
  }

  .hero-title {
    font-size: clamp(72px, 13vw, 104px);
  }

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

  .closing-nav__link {
    border-bottom: 1px solid var(--line-soft);
  }

  .closing-nav__link:nth-child(2n) {
    border-right: 0;
  }

  .notes-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }

  .notes-ribbon__title {
    grid-column: 1 / 3;
    min-height: 132px;
  }

  .notes-ribbon>a {
    min-height: 165px;
  }

  .notes-ribbon>a:last-child {
    grid-column: 1 / 3;
  }

  .notes-ribbon__empty {
    grid-column: 1 / 3;
    min-height: 150px;
  }

  .section-heading {
    grid-template-columns: 70px 1fr;
  }

  .profile-grid,
  .education-layout,
  .experience-layout {
    grid-template-columns: 1fr;
    gap: 65px;
    padding-left: 92px;
  }

  .interest-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .interest-card {
    min-height: 245px;
  }

  .page-hero {
    grid-template-columns: 1fr;
    min-height: 500px;
  }

  .page-hero .page-mark {
    top: 70px;
    right: 1%;
    bottom: auto;
    left: auto;
    font-size: clamp(190px, 30vw, 300px);
    transform: none;
  }

  .page-verse {
    justify-self: start;
    width: min(420px, 85%);
    margin-top: 55px;
  }

  .resource-section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .timeline-year {
    grid-template-columns: 110px 1fr;
  }



  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-card:nth-child(3) {
    border-top: 0;
  }

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

  .contact-details {
    margin-left: 80px;
  }

  .placeholder-verse {
    top: 13%;
    width: 34%;
  }
}

@media (max-width: 620px) {

  .section-shell,
  .header-inner,
  .footer-inner {
    width: calc(100% - 26px);
  }

  .brand-seal {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }

  .brand-wordmark strong {
    font-size: 15px;
  }

  .language-toggle {
    min-width: 52px;
    padding-inline: 8px;
  }

  .hero-inscription {
    padding-left: 8px;
  }

  .qin-lines {
    --qin-dot-start: 2%;
    --qin-dot-step: 0.9%;
  }

  .qin-lines i::before {
    width: 4px;
    height: 4px;
  }

  .inscription-cn {
    font-size: 18px;
  }

  .moon-portrait {
    width: 87%;
  }

  .portrait-motto--top {
    right: 1px;
  }

  .portrait-motto--bottom {
    left: -1%;
  }

  .portrait-motto {
    font-size: 15px;
  }

  .moon-portrait figcaption {
    margin-top: 14px;
    font-size: 12px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .hero-name-lockup {
    gap: 8px;
  }

  .hero-title {
    font-size: clamp(54px, 18vw, 90px);
  }

  .hero-name-cn {
    width: 52px;
    height: 84px;
    padding-left: 10px;
  }

  .hero-name-cn::before {
    height: 39px;
  }

  .social-row {
    gap: 16px;
  }

  .notes-ribbon {
    grid-template-columns: 1fr;
  }

  .notes-ribbon__title,
  .notes-ribbon>a:last-child,
  .notes-ribbon__empty {
    grid-column: 1;
  }

  .notes-ribbon>a {
    min-height: 150px;
  }

  .notes-ribbon__empty {
    min-height: 110px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-divider {
    width: 150px;
    padding-top: 54px;
  }

  .interests-section .section-heading,
  .experience-section .section-heading {
    padding-top: 42px;
  }

  .section-heading h2 {
    font-size: clamp(34px, 10vw, 39px);
    line-height: 1.16;
  }

  .profile-grid,
  .education-layout,
  .experience-layout {
    padding-left: 0;
  }

  .profile-prose p {
    font-size: 17px;
  }

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

  .verse-card {
    padding: 40px 26px 30px;
  }

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

  .interest-card {
    min-height: 230px;
  }

  .education-item,
  .experience-item {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  .closing-panel {
    text-align: left;
  }

  .closing-rule {
    margin-left: 0;
  }

  .closing-panel h2 {
    font-size: clamp(38px, 11vw, 52px);
    line-height: 1.08;
  }

  .closing-nav {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .closing-nav__link,
  .closing-nav__link:nth-child(2n) {
    min-height: 66px;
    padding: 0 4px;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .closing-nav__link:last-child {
    border-bottom: 0;
  }

  .page-hero {
    min-height: 420px;
    padding: 70px 0;
  }

  .page-hero h1 {
    font-size: clamp(54px, 17vw, 68px);
    line-height: 1;
    margin-bottom: 26px;
  }

  .page-hero--publications h1 {
    font-size: clamp(42px, 10.5vw, 58px);
  }

  .page-hero .page-mark {
    top: 62px;
    right: -7px;
    font-size: 158px;
    opacity: 0.032;
  }

  .page-verse {
    width: 100%;
    padding-left: 18px;
  }

  .placeholder h1 {
    font-size: 76px;
  }

  .placeholder {
    align-content: center;
    padding-top: 220px;
  }

  .placeholder-verse {
    top: 55px;
    width: min(330px, 90%);
  }

  .placeholder-mark {
    right: -9%;
    bottom: 3%;
    font-size: 210px;
    opacity: 0.032;
  }

  .publications-section {
    padding-top: 58px;
  }

  .publications-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
  }

  .publication-entry {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 0 23px;
  }

  .publication-entry>time {
    font-size: 14px;
  }

  .publication-entry h2 {
    margin-bottom: 6px;
    font-size: 18px;
  }

  .research-direction__header {
    grid-template-columns: 1fr;
    gap: 23px;
    padding: 32px 25px 36px;
  }

  .direction-heading h2 {
    font-size: 34px;
  }

  .direction-heading>span {
    font-size: 15px;
  }

  .research-project {
    padding: 31px 25px 28px;
  }

  .related-articles {
    grid-template-columns: 1fr;
  }

  .related-articles__heading {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .related-articles__list a,
  .related-articles__list li>div {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 10px;
    padding: 19px 20px;
  }

  .direction-title-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 13px;
  }

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

  .package-card {
    min-height: 260px;
    padding: 30px 25px;
  }

  .package-card h3 {
    margin-top: 45px;
  }

  .resource-empty {
    min-height: 170px;
    padding-inline: 25px;
    text-align: center;
  }

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

  .notes-list>li>a {
    grid-template-columns: 1fr auto;
    gap: 13px;
  }

  .notes-list time {
    grid-column: 1 / 3;
  }

  .notes-list article {
    grid-column: 1;
  }

  .notes-list>li>a>i {
    grid-column: 2;
  }

  .notes-empty {
    grid-template-columns: 1fr;
    min-height: 180px;
  }

  .notes-empty>span {
    display: none;
  }

  .notes-empty>span:first-of-type {
    display: block;
    border-right: 0;
  }

  .note-header {
    margin-top: 44px;
    padding-bottom: 42px;
  }

  .note-header h1 {
    font-size: clamp(38px, 11.5vw, 53px);
  }

  .note-header>p,
  .note-body {
    font-size: 17px;
  }

  .note-body {
    margin-top: 46px;
  }

  .timeline-year {
    grid-template-columns: 1fr;
  }

  .year-label {
    padding-bottom: 20px;
  }

  .timeline-items {
    border-left: 0;
  }

  .timeline-item {
    padding-inline: 18px;
  }

  .timeline-item h2 {
    font-size: 21px;
  }

  .timeline-dot {
    display: none;
  }

  .timeline-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .distinction-list {
    margin-left: 0;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    border-left: 0;
  }

  .about-card {
    border-left: 1px solid var(--line);
  }

  .about-card:nth-child(2),
  .about-card:nth-child(3) {
    border-top: 0;
  }

  .about-quote {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-quote blockquote {
    padding-left: 20px;
  }

  .contact-letter {
    padding-left: 28px;
  }

  .contact-letter h2 {
    font-size: clamp(24px, 7.3vw, 34px);
    line-height: 1.22;
  }

  .contact-letter>p {
    font-size: 16px;
  }

  .contact-details {
    margin-left: 0;
  }

  .contact-details article {
    grid-template-columns: 32px minmax(0, 1fr);
    row-gap: 8px;
  }

  .contact-details article>a,
  .contact-details article>address {
    grid-column: 2;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 38px 0;
    text-align: center;
  }

  .footer-signature {
    justify-content: center;
  }

  .footer-meta {
    align-items: center;
  }
}

/* ==========================================================================
   LANGUAGE STATE
   ========================================================================== */

/* Poetry and bilingual headings use ordinary lang attributes and stay visible.
   Only nodes produced specifically for interface localization use this marker. */
[data-language-content="zh"] {
  display: none !important;
}

html[data-language="zh"] [data-language-only="en"] {
  display: none !important;
}

html[data-language="zh"] [data-language-content="en"] {
  display: none !important;
}

html[data-language="zh"] [data-language-content="zh"] {
  display: revert !important;
}

html[data-language="en"] .contact-heading-line[data-language-content="en"],
html[data-language="zh"] .contact-heading-line[data-language-content="zh"] {
  display: block !important;
}

html[data-language="en"] .publications-toolbar>p>[data-language-content="en"],
html[data-language="zh"] .publications-toolbar>p>[data-language-content="zh"] {
  display: inline-flex !important;
  align-items: baseline;
  gap: 10px;
}

html[data-language="zh"] .nav-link,
html[data-language="zh"] .button,
html[data-language="zh"] .section-kicker,
html[data-language="zh"] .eyebrow {
  letter-spacing: 0.08em;
}

html[data-language="zh"] .contact-letter h2 {
  letter-spacing: 0;
}

@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;
  }

  .moon-portrait {
    transform: none !important;
  }
}