:root {
  color-scheme: dark;
  --black: #080808;
  --ink: #0d0d0e;
  --panel: #121214;
  --paper: #f0eee9;
  --soft: #c9c6c0;
  --gray: #96969a;
  --dim: #5d5d62;
  --line: rgba(240, 238, 233, 0.16);
  --line-strong: rgba(240, 238, 233, 0.38);
  --red: #a50d24;
  --red-bright: #d51e3b;
  --display-en: "Bodoni 72", Didot, "Iowan Old Style", Baskerville, "Times New Roman", serif;
  --display-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  --body-cn: "Songti SC", STSong, "Noto Serif CJK SC", "Source Han Serif SC", SimSun, serif;
  --body: Inter, "Avenir Next", "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
  --mx: 50vw;
  --my: 30vh;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--red) var(--black);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(165, 13, 36, 0.1), transparent 22rem),
    var(--black);
  color: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.72;
  font-weight: 400;
}

[lang="zh-CN"] body { font-family: var(--body-cn); }

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 199;
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.2'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

[lang="zh-CN"] .lang-en { display: none !important; }
[lang="en"] .lang-zh { display: none !important; }

::selection { color: var(--paper); background: var(--red); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
h1, h2, h3, p { margin-top: 0; }

.skip-link {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 300;
  padding: 0.65rem 1rem;
  background: var(--paper);
  color: var(--black);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 250;
  height: 2px;
}
.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--red-bright);
  transform: scaleX(0);
  transform-origin: left;
}

.cursor-dot, .cursor-ring {
  position: fixed;
  z-index: 260;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 50%;
  opacity: 0;
}
.cursor-dot {
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  background: var(--red-bright);
}
.cursor-ring {
  display: grid;
  width: 42px;
  height: 42px;
  margin: -21px 0 0 -21px;
  place-items: center;
  border: 1px solid rgba(240, 238, 233, 0.56);
  transition: width 180ms ease, height 180ms ease, margin 180ms ease, background 180ms ease;
}
.cursor-ring span { font-size: 0; letter-spacing: 0.13em; }
.cursor-ring.is-active {
  width: 78px;
  height: 78px;
  margin: -39px 0 0 -39px;
  border-color: var(--red-bright);
  background: rgba(165, 13, 36, 0.1);
}
.cursor-ring.is-active span { font-size: 0.56rem; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 220;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 3.2vw;
  border-bottom: 1px solid transparent;
  transition: min-height 220ms ease, background 220ms ease, border-color 220ms ease;
}
.site-header.is-scrolled {
  min-height: 60px;
  border-color: var(--line);
  background: rgba(8, 8, 8, 0.86);
  backdrop-filter: blur(18px);
}

.monogram {
  display: inline-flex;
  align-items: center;
  width: max-content;
  font-family: var(--display-en);
  letter-spacing: 0.08em;
}
.monogram i {
  width: 1.8rem;
  height: 1px;
  margin: 0 0.4rem;
  background: var(--red-bright);
  transform: rotate(-52deg);
}

nav { display: flex; gap: clamp(1rem, 2.5vw, 2.8rem); }
.nav-link, .language-switch {
  color: var(--gray);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.nav-link {
  position: relative;
  padding: 0.7rem 0;
  transition: color 160ms ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.4rem;
  left: 0;
  height: 1px;
  background: var(--red-bright);
  transform: scaleX(0);
  transition: transform 160ms ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--paper); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }

.language-switch {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  gap: 0.5rem;
  padding: 0.36rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.language-switch button {
  padding: 0.1rem 0.25rem;
  border: 0;
  background: transparent;
  color: var(--dim);
  font-size: 0.68rem;
}
.language-switch button[aria-pressed="true"] { color: var(--paper); }
.language-switch span { color: var(--line-strong); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100svh;
  padding: clamp(7.5rem, 13vh, 10rem) 6vw 5rem;
  align-items: center;
  gap: clamp(2rem, 7vw, 8rem);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  top: 12%;
  left: 3vw;
  width: 17rem;
  height: 17rem;
  z-index: -1;
  border: 1px solid rgba(240, 238, 233, 0.08);
  border-radius: 50%;
}

.eyebrow, .section-number, .meta-label, .record-type, .publication-credit {
  color: var(--gray);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2.2rem;
}
.eyebrow-line { width: 2.8rem; height: 1px; background: var(--red-bright); }

.hero-name {
  position: relative;
  width: max-content;
  max-width: 100%;
  margin: 0;
  font-family: var(--display-en);
  font-size: clamp(5.2rem, 12.4vw, 12.4rem);
  font-weight: 700;
  line-height: 0.66;
  letter-spacing: -0.075em;
}
.name-line { position: relative; display: block; }
.name-daoyi {
  z-index: 2;
  font-style: italic;
  font-weight: 400;
  transform: skewX(-4deg);
}
.name-daoyi::after {
  content: "";
  position: absolute;
  top: 51%;
  left: 61%;
  width: 49%;
  height: 48%;
  border-top: 2px solid var(--red-bright);
  border-radius: 50%;
  transform: rotate(-8deg);
}
.name-chen {
  z-index: 1;
  margin-left: 4.5vw;
  color: transparent;
  -webkit-text-stroke: 1px rgba(240, 238, 233, 0.82);
}
.name-chen::before {
  content: "C";
  position: absolute;
  left: 0;
  color: var(--paper);
  -webkit-text-stroke: 0;
  clip-path: inset(0 64% 0 0);
}

.name-chinese {
  position: absolute;
  top: 0.08em;
  left: calc(100% + clamp(1.2rem, 2.8vw, 3.4rem));
  z-index: 3;
  display: grid;
  align-items: start;
  width: max-content;
  color: var(--paper);
  font-family: "FZCuSong-B09S", "FZCuSong", "方正粗宋简体", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", STSong, SimSun, serif;
  font-size: clamp(2.7rem, 5.2vw, 5.8rem);
  font-weight: 900;
  font-synthesis: weight;
  line-height: 0.94;
  letter-spacing: 0.08em;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  text-shadow:
    -1px 0 rgba(165, 13, 36, 0.72),
    1px 1px rgba(240, 238, 233, 0.16),
    0 0 16px rgba(213, 30, 59, 0.12);
  -webkit-text-stroke: 0.9px var(--paper);
  paint-order: stroke fill;
}

.name-chinese-line {
  position: relative;
  display: block;
  width: max-content;
  white-space: nowrap;
}

.name-chinese-line::after {
  content: attr(data-ink);
  position: absolute;
  inset: 0;
  z-index: -1;
  color: transparent;
  -webkit-text-stroke: 1.25px rgba(213, 30, 59, 0.62);
  transform: translate(4px, 2px);
  opacity: 0.72;
}

.hero-bilingual-title {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin: 3.5rem 0 0 5vw;
}
.cn-display {
  font-family: var(--display-cn);
  font-weight: 700;
  letter-spacing: -0.035em;
}
.hero-bilingual-title .cn-display { color: var(--paper); font-size: 1.18rem; }
.en-display {
  font-family: var(--display-en);
  font-style: italic;
  letter-spacing: 0.08em;
}
.hero-bilingual-title .en-display { color: var(--gray); font-size: 0.78rem; }

.hero-intro {
  display: grid;
  grid-template-columns: minmax(220px, 500px) auto;
  align-items: end;
  gap: 2rem;
  margin: 2.1rem 0 0 5vw;
}
.hero-intro p {
  margin-bottom: 0;
  color: var(--soft);
  font-size: 1.02rem;
  line-height: 1.75;
}
[lang="zh-CN"] .hero-intro {
  grid-template-columns: auto;
  justify-content: start;
}
[lang="zh-CN"] .hero-intro-copy { display: none; }
.text-link {
  display: inline-flex;
  min-width: 9.7rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.text-link b { color: var(--red-bright); font-size: 1rem; }

.hero-meta {
  position: absolute;
  right: 6vw;
  bottom: 1.8rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(145px, 1fr));
  gap: 2.2rem;
}
.hero-meta div { display: grid; padding-top: 0.7rem; border-top: 1px solid var(--line-strong); }
.hero-meta strong, .hero-meta span:last-child { font-size: 0.8rem; }
.hero-meta strong { margin-top: 0.3rem; font-weight: 500; }
.hero-meta span:last-child { color: var(--gray); }
.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 6vw;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--dim);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
}
.scroll-cue span { width: 2.7rem; height: 1px; background: linear-gradient(90deg, var(--red-bright), transparent); }

.statement, .experience, .education, .writing, .credentials {
  padding: 8rem 6vw;
  border-top: 1px solid var(--line);
}
.section-number { margin-bottom: 3rem; }

.statement-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.72fr);
  gap: 9vw;
  align-items: start;
}
.dual-title, .section-title {
  position: relative;
  margin: 0;
  font-weight: 400;
  line-height: 0.9;
}
.dual-title .cn-display, .section-title .cn-display {
  display: block;
  color: var(--paper);
  font-family: var(--display-cn);
  font-weight: 800;
  letter-spacing: -0.065em;
}
.dual-title .cn-display { font-size: clamp(3.6rem, 7vw, 7.5rem); }
.dual-title .en-display {
  position: static;
  display: block;
  color: transparent;
  font-size: clamp(3.4rem, 6.8vw, 7.2rem);
  line-height: 0.82;
  -webkit-text-stroke: 1px rgba(213, 30, 59, 0.7);
  transform: rotate(-2deg);
  transform-origin: left center;
}
.statement-copy > p {
  color: var(--soft);
  font-size: 1.08rem;
  line-height: 1.9;
}
.disciplines { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 2.6rem; }
.disciplines > span {
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--line);
  color: var(--gray);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}
.disciplines > span:hover { border-color: var(--red); background: rgba(165, 13, 36, 0.1); color: var(--paper); }

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 8rem;
  border: 1px solid var(--line);
  background: var(--line);
}
.evidence {
  min-height: 280px;
  padding: 1.8rem;
  background: var(--ink);
  transition: background 180ms ease;
}
.evidence:hover { background: #171114; }
.evidence-mark { color: var(--dim); font-size: 0.66rem; letter-spacing: 0.12em; }
.evidence strong { display: block; margin-top: 3.8rem; font-family: var(--display-en); font-size: clamp(3rem, 5vw, 5rem); font-weight: 400; line-height: 1; }
.evidence p { max-width: 15rem; margin: 1.3rem 0 0; color: var(--gray); font-size: 0.86rem; line-height: 1.65; }

.section-head {
  display: grid;
  grid-template-columns: 0.72fr 1.35fr 0.9fr;
  gap: 4vw;
  align-items: end;
  margin-bottom: 5rem;
}
.section-head > * { margin-bottom: 0; }
.section-head > p:last-child { max-width: 25rem; color: var(--gray); }
.section-title .cn-display { font-size: clamp(3.8rem, 7vw, 7rem); }
.section-title .en-display {
  position: static;
  display: block;
  color: transparent;
  font-size: clamp(3rem, 5.4vw, 5.8rem);
  line-height: 0.78;
  white-space: nowrap;
  -webkit-text-stroke: 1px rgba(240, 238, 233, 0.52);
}

.record-list { border-top: 1px solid var(--line-strong); }
.record-card {
  position: relative;
  display: grid;
  grid-template-columns: 0.35fr 0.7fr 2.4fr auto;
  gap: 2vw;
  min-height: 145px;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 200ms ease, background 200ms ease;
}
.record-card:hover, .record-card.is-open { padding-right: 1rem; padding-left: 1rem; background: linear-gradient(90deg, rgba(165, 13, 36, 0.15), transparent 55%); }
.record-index, .record-date { padding-top: 0.2rem; color: var(--dim); font-size: 0.7rem; letter-spacing: 0.1em; }
.record-main h3 { max-width: 860px; margin: 0.45rem 0 0.3rem; font-family: var(--display-en); font-size: clamp(1.5rem, 2.2vw, 2.5rem); font-weight: 400; line-height: 1.25; }
[lang="zh-CN"] .record-main h3 { font-family: var(--display-cn); font-weight: 700; letter-spacing: -0.02em; }
.record-role { margin-bottom: 0; color: var(--gray); font-size: 0.88rem; }
.record-detail { display: grid; grid-template-rows: 0fr; opacity: 0; transition: grid-template-rows 320ms ease, opacity 320ms ease; }
.record-detail > p { overflow: hidden; max-width: 860px; margin: 0; color: #b8b6b1; line-height: 1.8; }
.record-card.is-open .record-detail { grid-template-rows: 1fr; opacity: 1; }
.record-card.is-open .record-detail > p { margin-top: 1.2rem; }
.record-toggle {
  align-self: start;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  font-size: 1.2rem;
  transition: background 160ms ease, border-color 160ms ease, transform 200ms ease;
}
.record-toggle:hover, .record-toggle:focus-visible { border-color: var(--red-bright); background: var(--red); outline: none; }
.record-card.is-open .record-toggle { transform: rotate(45deg); }

.education-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.degree-card {
  position: relative;
  min-height: 550px;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 4rem);
  background: var(--ink);
  transition: background 220ms ease;
}
.degree-card:hover { background: #151113; }
.degree-year { color: var(--gray); font-size: 0.7rem; letter-spacing: 0.14em; }
.degree-letter {
  position: absolute;
  top: -2.2rem;
  right: 1rem;
  color: transparent;
  font-family: var(--display-en);
  font-size: 14rem;
  font-style: italic;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(213, 30, 59, 0.35);
}
.degree-card h3 { max-width: 88%; margin: 12rem 0 0.6rem; font-family: var(--display-en); font-size: clamp(2rem, 3.2vw, 3.6rem); font-weight: 400; line-height: 1.12; }
[lang="zh-CN"] .degree-card h3 { font-family: var(--display-cn); font-weight: 700; letter-spacing: -0.025em; }
.degree-card > p { color: var(--red-bright); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }
.degree-card ul { display: grid; gap: 0.55rem; margin: 1.8rem 0 0; padding: 1.4rem 0 0; border-top: 1px solid var(--line); color: var(--gray); list-style: none; }
.degree-card li::before { content: "—"; margin-right: 0.65rem; color: var(--red-bright); }

.publication-list { border-top: 1px solid var(--line-strong); }
.publication { display: grid; grid-template-columns: 0.5fr 2.5fr auto; gap: 3vw; align-items: start; padding: 2.3rem 0; border-bottom: 1px solid var(--line); }
.publication-year { color: var(--gray); font-family: var(--display-en); font-size: 2rem; }
.publication h3 { max-width: 920px; margin: 0.4rem 0 0.45rem; font-family: var(--display-en); font-size: clamp(1.5rem, 2.5vw, 2.75rem); font-weight: 400; line-height: 1.2; transition: transform 170ms ease, color 170ms ease; }
[lang="zh-CN"] .publication h3 { font-family: var(--display-cn); font-weight: 700; letter-spacing: -0.02em; }
.publication:hover h3 { color: #fff; transform: translateX(0.65rem); }
.publication p:last-child { margin-bottom: 0; color: var(--gray); }
.publication-mark { color: var(--red-bright); transition: transform 300ms ease; }
.publication:hover .publication-mark { transform: rotate(90deg); }

.credential-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
  min-height: 430px;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 76% 50%, rgba(165, 13, 36, 0.18), transparent 25%);
}
.credential-main { align-self: center; padding: 3rem 5vw; }
.credential-main > span { color: var(--gray); font-size: 0.68rem; letter-spacing: 0.18em; }
.credential-main h2 { max-width: 750px; margin: 1rem 0; font-family: var(--display-en); font-size: clamp(3rem, 5.5vw, 6rem); font-weight: 400; line-height: 0.98; }
[lang="zh-CN"] .credential-main h2 { font-family: var(--display-cn); font-weight: 800; letter-spacing: -0.05em; }
.credential-main p { color: var(--red-bright); letter-spacing: 0.15em; text-transform: uppercase; }
.balance-mark { position: relative; display: grid; place-items: center; overflow: hidden; border-left: 1px solid var(--line); }
.balance-mark span { z-index: 2; font-size: clamp(5rem, 10vw, 10rem); font-family: var(--display-en); }
.balance-mark i { position: absolute; width: 75%; aspect-ratio: 1; border: 1px solid var(--line-strong); border-radius: 50%; animation: orbit-spin 24s linear infinite; }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
.balance-mark i::before { content: ""; position: absolute; top: 50%; right: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--red-bright); }
.language-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 1rem; margin-top: 1px; padding: 1.7rem 2rem; border: 1px solid var(--line); }
.language-row > span { color: var(--gray); font-size: 0.68rem; letter-spacing: 0.15em; }
.language-row strong { font-family: var(--display-en); font-size: 1.25rem; font-weight: 400; }
[lang="zh-CN"] .language-row strong { font-family: var(--display-cn); font-weight: 650; }
.language-row em { color: var(--gray); font-size: 0.84rem; }

.contact {
  position: relative;
  overflow: hidden;
  padding: 10rem 6vw 7rem;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--black);
}
.contact::before {
  content: "◒";
  position: absolute;
  top: -12rem;
  right: -2rem;
  color: transparent;
  font-family: var(--display-en);
  font-size: 42rem;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(165, 13, 36, 0.18);
}
.contact-inner { position: relative; z-index: 2; }
.contact .section-number { color: #66635f; }
.contact-kicker { margin-bottom: 2.2rem; color: #514e4a; }
.contact-email { display: inline-block; max-width: 100%; font-family: var(--display-en); font-size: clamp(2rem, 6.1vw, 6.8rem); font-style: italic; line-height: 1.05; letter-spacing: -0.04em; word-break: break-word; }
.contact-email::after { content: ""; display: block; width: 100%; height: clamp(2px, 0.45vw, 7px); margin-top: 0.7rem; background: var(--red); transform: scaleX(0.12); transform-origin: left; transition: transform 380ms ease; }
.contact-email:hover::after { transform: scaleX(1); }
.contact-meta { display: flex; justify-content: space-between; margin-top: 6rem; padding-top: 1.1rem; border-top: 1px solid rgba(8, 8, 8, 0.26); color: #5d5955; font-size: 0.7rem; letter-spacing: 0.12em; }

footer { display: flex; justify-content: space-between; padding: 1.4rem 6vw; color: var(--dim); font-size: 0.65rem; letter-spacing: 0.12em; }
footer a { transition: color 160ms ease; }
footer a:hover { color: var(--paper); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 720ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 720ms cubic-bezier(0.2, 0.7, 0.2, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: auto 1fr auto; }
  .site-header nav { justify-self: center; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .hero-name { font-size: clamp(5rem, 11.5vw, 8rem); }
  .hero-intro { grid-template-columns: 1fr; }
  .text-link { width: 10rem; }
  .evidence-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .site-header { padding: 0 1.2rem; }
  nav { gap: 1rem; }
  .nav-link { font-size: 0.6rem; letter-spacing: 0.06em; }
  .nav-link:nth-child(2), .nav-link:nth-child(3) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 8rem 1.2rem 7rem; }
  .hero-name { font-size: clamp(5rem, 23vw, 9rem); }
  .hero-bilingual-title, .hero-intro { margin-left: 0; }
  .hero-meta { position: static; grid-template-columns: 1fr 1fr; margin-top: 3rem; }
  .scroll-cue { display: none; }
  .statement, .experience, .education, .writing, .credentials { padding: 6rem 1.2rem; }
  .statement-grid, .section-head { grid-template-columns: 1fr; gap: 2.5rem; }
  .dual-title .en-display { right: 0; }
  .section-title .en-display { left: 25%; }
  .record-card { grid-template-columns: 0.25fr 1fr auto; gap: 1rem; }
  .record-date { display: none; }
  .record-card:hover, .record-card.is-open { padding-right: 0.4rem; padding-left: 0.4rem; }
  .education-grid { grid-template-columns: 1fr; }
  .publication { grid-template-columns: 0.42fr 2fr auto; gap: 1rem; }
  .credential-layout { grid-template-columns: 1fr; }
  .balance-mark { min-height: 290px; border-top: 1px solid var(--line); border-left: 0; }
  .language-row { grid-template-columns: 1fr 1fr; }
  .language-row > span { grid-column: 1 / -1; }
  .contact { padding: 7rem 1.2rem 4rem; }
  footer { padding: 1.4rem 1.2rem; }
}

@media (max-width: 500px) {
  .cursor-dot, .cursor-ring { display: none; }
  .monogram i { width: 0.9rem; }
  nav { gap: 0.75rem; }
  .nav-link:nth-child(1) { display: none; }
  .language-switch { gap: 0.25rem; padding: 0.3rem 0.45rem; }
  .hero-name { font-size: clamp(4.2rem, 24vw, 6.5rem); }

  .name-chinese {
    position: relative;
    top: auto;
    left: auto;
    width: max-content;
    margin: 1.55rem 0 0 4.5vw;
    font-size: clamp(1.9rem, 9vw, 2.7rem);
    letter-spacing: 0.16em;
  }
  .hero-bilingual-title { display: grid; gap: 0.25rem; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence { min-height: 210px; }
  .record-index { display: none; }
  .record-card { grid-template-columns: 1fr auto; }
  .publication { grid-template-columns: 1fr auto; }
  .publication-year { grid-column: 1 / -1; }
  .contact-meta, footer { flex-direction: column; gap: 0.7rem; }
}

@media (hover: hover) and (pointer: fine) { body, a, button { cursor: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .cursor-dot, .cursor-ring { display: none; }
}