/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-academic:   #F2F0EB;
  --bg-creative:   #3D5A3E;
  --text-academic: #1A1A1A;
  --text-creative: #F2F0EB;
  --accent-academic: #3D5A3E;
  --accent-creative: #C4956A;
  --divider: #1A1A1A;
  --font: 'Inter', system-ui, sans-serif;
  --transition: 0.65s cubic-bezier(0.77, 0, 0.175, 1);
}

html {
  height: 100%;
  width: 100%;
}

body {
  height: 100%;
  width: 100%;
  font-family: var(--font);
  overflow-x: hidden;
}

/* Full-screen pages (curtain, creative landing) */
body.fullscreen { overflow: hidden; }

/* Content pages fill minimum full viewport */
body.page-academic,
body.page-creative,
body.page-writing,
body.page-photo,
body.page-film {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1100px;
  margin: 0 auto;
}

/* Extend background color to full viewport on wide screens */
html:has(body.page-academic) { background: var(--bg-academic); }
html:has(body.page-creative) { background: var(--bg-creative); }
html:has(body.page-writing)  { background: #F5EAD0; }
html:has(body.page-photo)    { background: #141414; }
html:has(body.page-film)     { background: #111827; }

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

/* ── Home Header ──────────────────────────────── */
.home-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 28px 40px;
  background: var(--bg-academic);
  border-bottom: 1px solid rgba(26,26,26,0.1);
}

.home-name {
  display: flex;
  align-items: center;
  gap: 33px;
}

/* Shared name badge — stamp design */
.site-name-en {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: #3D5A3E;
  color: #F2F0EB;
  padding: 5px 13px 6px;
  line-height: 1;
  outline: 1.5px solid #3D5A3E;
  outline-offset: 4px;
  display: inline-block;
}

.site-name-zh {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.45;
  letter-spacing: 0.08em;
}

/* On creative (green) pages: invert stamp to cream */
.page-creative .site-name-en {
  background: #F2F0EB;
  color: #3D5A3E;
  outline-color: #F2F0EB;
}

/* Name as home link on inner pages */
.site-name-link {
  display: flex;
  align-items: center;
  gap: 33px;
  color: inherit;
}

.home-email {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  opacity: 0.35;
  transition: opacity 0.2s;
}
.home-email:hover { opacity: 1; }

/* ── Curtain Main Page ────────────────────────── */
.curtain-wrap {
  display: flex;
  position: fixed;
  top: 69px; left: 0; right: 0; bottom: 0;
  overflow: hidden;
}

.curtain {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: flex var(--transition);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.curtain-left  { background: var(--bg-academic);  color: var(--text-academic); }
.curtain-right { background: var(--bg-creative);  color: var(--text-creative); }

.curtain-wrap:has(.curtain-left:hover)  .curtain-left  { flex: 1.4; }
.curtain-wrap:has(.curtain-left:hover)  .curtain-right { flex: 0.6; }
.curtain-wrap:has(.curtain-right:hover) .curtain-right { flex: 1.4; }
.curtain-wrap:has(.curtain-right:hover) .curtain-left  { flex: 0.6; }

.curtain-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px;
  transition: opacity 0.3s;
}

.curtain-label {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.curtain-zh {
  font-size: 0.95rem;
  font-weight: 400;
  opacity: 0.4;
  letter-spacing: 0.06em;
}

.curtain-sub {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.5;
  white-space: nowrap;
}

.curtain-arrow {
  margin-top: 32px;
  font-size: 1.1rem;
  opacity: 0;
  transform: translateX(0);
  transition: opacity 0.3s, transform 0.3s;
}

.curtain-left:hover  .curtain-arrow { opacity: 0.4; transform: translateX(-6px); }
.curtain-right:hover .curtain-arrow { opacity: 0.4; transform: translateX(6px); }

/* Center divider */
.center-divider {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: rgba(26,26,26,0.12);
  pointer-events: none;
  z-index: 10;
  transition: left var(--transition);
}

/* Overlay transition on click */
.curtain-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}
.curtain-overlay.active { opacity: 1; pointer-events: all; }
.curtain-overlay.academic { background: var(--bg-academic); }
.curtain-overlay.creative { background: var(--bg-creative); }

/* ── Shared Page Layout ───────────────────────── */
.page { min-height: 100vh; }
.page-academic { background: var(--bg-academic); color: var(--text-academic); }
.page-creative { background: var(--bg-creative); color: var(--text-creative); }

/* ── Writing pages (warm parchment) ─────────── */
.page-writing { background: #F5EAD0; color: #1C1810; }
.page-writing .site-name-en { background: #1C1810; color: #F5EAD0; outline-color: #1C1810; }
.page-writing .topnav  { border-color: rgba(28,24,16,0.1); }
.page-writing .section-hero { border-color: rgba(28,24,16,0.1); }
.page-writing .site-footer  { border-color: rgba(28,24,16,0.07); }
.page-writing .article-item { border-color: rgba(28,24,16,0.08); }

/* ── Photography pages (near black) ─────────── */
.page-photo { background: #141414; color: #E0E0DC; }
.page-photo .site-name-en { background: #E0E0DC; color: #141414; outline-color: #E0E0DC; }
.page-photo .topnav  { border-color: rgba(224,224,220,0.1); }
.page-photo .section-hero { border-color: rgba(224,224,220,0.1); }
.page-photo .site-footer  { border-color: rgba(224,224,220,0.07); }
.page-photo .series-cover-placeholder,
.page-photo .gallery-placeholder { background: rgba(224,224,220,0.05); color: rgba(224,224,220,0.18); }

/* ── Film pages (deep navy) ──────────────────── */
.page-film { background: #111827; color: #C8D4E4; }
.page-film .site-name-en { background: #C8D4E4; color: #111827; outline-color: #C8D4E4; }
.page-film .topnav  { border-color: rgba(200,212,228,0.1); }
.page-film .section-hero { border-color: rgba(200,212,228,0.1); }
.page-film .site-footer  { border-color: rgba(200,212,228,0.07); }
.page-film .video-embed   { background: rgba(200,212,228,0.04); }


/* Bio highlight */
.hl-green  { color: #3D5A3E; font-weight: 700; }

/* Top nav bar */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.topnav-left  { display: flex; align-items: center; gap: 32px; }
.topnav-right { display: flex; align-items: center; gap: 24px; }

.nav-home {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.45;
  transition: opacity 0.2s;
}
.nav-home:hover { opacity: 1; }

.nav-section {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-links { display: flex; gap: 28px; }
.nav-link {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.45;
  transition: opacity 0.2s;
}
.nav-link:hover, .nav-link.active { opacity: 1; }

.page-academic .topnav { border-color: rgba(26,26,26,0.12); }
.page-creative .topnav { border-color: rgba(242,240,235,0.12); }

/* ── Section Hero ─────────────────────────────── */
.section-hero {
  padding: 52px 48px 44px;
  border-bottom: 1px solid;
}
.page-academic .section-hero { border-color: rgba(26,26,26,0.1); }
.page-creative .section-hero { border-color: rgba(242,240,235,0.1); }

.section-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 700px;
}

.section-hero p {
  margin-top: 14px;
  font-size: 0.9rem;
  opacity: 0.5;
  max-width: 500px;
  line-height: 1.6;
}

.accent { color: var(--accent-academic); }
.page-creative .accent { color: var(--accent-creative); }

/* ── Profile Block ────────────────────────────── */
.profile-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0;
  border-bottom: 1px solid rgba(26,26,26,0.1);
}

.profile-photo {
  border-right: 1px solid rgba(26,26,26,0.1);
  padding: 40px 36px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.profile-img {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center 10%;
  display: block;
}

.profile-info { padding: 40px 48px; }

.profile-info h2 {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.profile-title {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-bottom: 28px;
}

.profile-bio {
  font-size: 0.95rem;
  line-height: 1.75;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 40px;
}

.profile-meta { display: flex; flex-direction: column; gap: 10px; }
.meta-row { display: flex; gap: 16px; align-items: baseline; }
.meta-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.4;
  min-width: 90px;
}
.meta-value { font-size: 0.85rem; opacity: 0.8; }


/* ── Topics List ──────────────────────────────── */
.topics-section { padding: 48px; }
.topics-section h2 {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.4;
  margin-bottom: 36px;
}

.topic-list { display: flex; flex-direction: column; }

/* ── Publications ─────────────────────────────── */
.pub-category { margin-bottom: 0; }

.pub-category-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.35;
  padding: 32px 0 8px;
  border-top: 1px solid rgba(26,26,26,0.08);
  margin-top: 0;
}

.pub-category:first-of-type .pub-category-label {
  border-top: none;
  padding-top: 0;
}

.pub-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(26,26,26,0.07);
}

.pub-year {
  font-size: 0.72rem;
  opacity: 0.3;
  padding-top: 3px;
  letter-spacing: 0.03em;
}

.pub-content {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.pub-authors {
  font-size: 0.8rem;
  opacity: 0.55;
  line-height: 1.55;
}

.pub-me {
  color: #3D5A3E;
  font-weight: 700;
  background: rgba(61, 90, 62, 0.1);
  padding: 1px 5px;
}

.pub-title-zh {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.4;
  letter-spacing: 0.02em;
  margin-top: 3px;
}

.pub-title {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.pub-venue {
  font-size: 0.78rem;
  opacity: 0.45;
  line-height: 1.5;
}

.pub-status {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(26,26,26,0.3);
  padding: 1px 7px 2px;
  margin-left: 10px;
  vertical-align: middle;
  opacity: 0.6;
}

.pub-lang {
  display: inline-block;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  border: 1px solid rgba(61,90,62,0.4);
  color: #3D5A3E;
  padding: 1px 7px 2px;
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.75;
}

.topic-item {
  display: grid;
  grid-template-columns: 100px 1fr 100px;
  align-items: baseline;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(26,26,26,0.08);
  transition: opacity 0.2s;
  cursor: pointer;
}
.topic-item:hover { opacity: 0.6; }

.topic-date {
  font-size: 0.72rem;
  opacity: 0.35;
  letter-spacing: 0.05em;
}

.topic-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.topic-tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.4;
  text-align: right;
}

/* ── Creative Landing ─────────────────────────── */
body.page-creative { transition: background 0.5s ease, color 0.5s ease; }

.creative-hero {
  padding: 44px 48px 40px;
  border-bottom: 1px solid rgba(242,240,235,0.12);
  transition: border-color 0.5s ease;
}

.creative-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.creative-hero p {
  font-size: 0.9rem;
  opacity: 0.5;
  line-height: 1.6;
}

.creative-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  flex: 1;
  min-height: 380px;
}

.creative-tile {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
  border-right: 1px solid rgba(242,240,235,0.1);
  cursor: pointer;
  transition: background 0.45s, color 0.45s;
  position: relative;
  overflow: hidden;
}
.creative-tile:last-child { border-right: none; }

.creative-tile[data-section="writing"]:hover { background: #F5EAD0; color: #1C1810; }
.creative-tile[data-section="photo"]:hover   { background: #141414; color: #E0E0DC; }
.creative-tile[data-section="film"]:hover    { background: #111827; color: #C8D4E4; }

.tile-number {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  opacity: 0.32;
  user-select: none;
  line-height: 1;
  margin-bottom: 18px;
}

.tile-label {
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin-bottom: 12px;
}

.section-hero-zh {
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.4;
  letter-spacing: 0.06em;
  margin-left: 10px;
}

.tile-label-zh {
  font-size: 0.78rem;
  font-weight: 400;
  opacity: 0.35;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.tile-desc {
  font-size: 0.7rem;
  opacity: 0.3;
  letter-spacing: 0.04em;
  line-height: 1.55;
}

.tile-arrow {
  margin-top: 24px;
  font-size: 0.75rem;
  opacity: 0.28;
  transition: opacity 0.2s, transform 0.2s;
}
.creative-tile:hover .tile-arrow { opacity: 0.75; transform: translateX(6px); }

/* ── Articles ─────────────────────────────────── */
.content-section { padding: 48px; max-width: 900px; }

.article-list { display: flex; flex-direction: column; margin-top: 40px; }

.article-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(242,240,235,0.08);
  cursor: pointer;
  transition: opacity 0.2s;
}
.article-item:hover { opacity: 0.6; }

.article-date { font-size: 0.72rem; opacity: 0.3; padding-top: 4px; }

.article-body { display: flex; flex-direction: column; gap: 8px; }
.article-title { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.01em; }
.article-excerpt { font-size: 0.82rem; opacity: 0.4; line-height: 1.6; }

/* ── Gallery — Series list ────────────────────── */
.series-grid {
  padding: 40px 48px 64px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 32px;
}

.series-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  cursor: pointer;
}

.series-cover,
.series-cover-placeholder {
  transition: box-shadow 0.3s, transform 0.3s, filter 0.3s;
  box-shadow: 0 6px 24px rgba(255,255,255,0.03);
}
.series-card:hover .series-cover,
.series-card:hover .series-cover-placeholder {
  filter: brightness(1.08);
  box-shadow: 0 10px 36px rgba(255,255,255,0.07);
  transform: translateY(-1px);
}

.series-card--coming-soon {
  cursor: default;
}

.series-cover {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.series-cover-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(242,240,235,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(242,240,235,0.2);
  text-transform: uppercase;
}

.series-meta {
  padding: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.series-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.series-info {
  display: flex;
  gap: 14px;
  align-items: baseline;
}

.series-year {
  font-size: 0.68rem;
  opacity: 0.35;
  letter-spacing: 0.06em;
}

.series-count {
  font-size: 0.68rem;
  opacity: 0.3;
  letter-spacing: 0.04em;
}

.series-desc {
  font-size: 0.78rem;
  opacity: 0.45;
  line-height: 1.55;
  margin-top: 2px;
}

/* ── Gallery — Series detail page ────────────── */
.series-header {
  padding: 48px 48px 40px;
  border-bottom: 1px solid rgba(242,240,235,0.1);
  max-width: 860px;
  margin: 0 auto;
}

.series-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.series-header-meta {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.35;
  margin-bottom: 20px;
}

.series-header-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  opacity: 0.6;
}

.gallery-grid {
  padding: 32px 48px 64px;
  columns: 3;
  column-gap: 8px;
}

.gallery-group {
  break-inside: avoid;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}

.gallery-group--full {
  column-span: all;
  margin-bottom: 8px;
}

.gallery-grid--single {
  columns: 1;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.gallery-grid--single .gallery-group {
  gap: 20px;
  margin-bottom: 56px;
}

/* Left-to-right staggered 3-col layout (city-panarome) */
.gallery-grid--ltr {
  padding: 32px 48px 64px;
}

.gallery-ltr-cols {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.gallery-ltr-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-ltr-col--b { margin-top: 80px; }
.gallery-ltr-col--c { margin-top: 40px; }

.gallery-ltr-full {
  margin-bottom: 20px;
}

.gallery-ltr-full img {
  width: 100%;
  display: block;
  box-shadow: 0 4px 16px rgba(255,255,255,0.04);
}

.gallery-item {
  cursor: pointer;
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 16px rgba(255,255,255,0.04);
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.4s;
  filter: grayscale(15%);
}

.gallery-item:hover img { transform: scale(1.007); }

.gallery-placeholder {
  width: 100%;
  background: rgba(242,240,235,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(242,240,235,0.25);
  text-transform: uppercase;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(26,26,26,0.95);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img { max-width: 85vw; max-height: 85vh; object-fit: contain; }
.lightbox-close {
  position: absolute;
  top: 28px; right: 36px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(242,240,235,0.4);
  cursor: pointer;
  transition: color 0.2s;
}
.lightbox-close:hover { color: rgba(242,240,235,1); }

/* ── Videos ───────────────────────────────────── */
.video-list { padding: 48px; display: flex; flex-direction: column; gap: 40px; }

.film-empty {
  padding: 72px 48px 96px;
  max-width: 520px;
}

.film-empty-main {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.55;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.film-empty-sub {
  font-size: 0.8rem;
  opacity: 0.28;
  line-height: 1.75;
}

.film-empty-zh {
  font-size: 0.78rem;
  opacity: 0.18;
  margin-top: 20px;
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.video-item { display: flex; flex-direction: column; gap: 14px; }

.video-embed {
  width: 100%;
  max-width: 800px;
  aspect-ratio: 16/9;
  background: rgba(242,240,235,0.05);
  position: relative;
  overflow: hidden;
}

.video-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-meta { display: flex; flex-direction: column; gap: 4px; }
.video-title { font-size: 0.95rem; font-weight: 500; }
.video-desc { font-size: 0.78rem; opacity: 0.38; line-height: 1.5; max-width: 600px; }

/* ── Article / Topic Single Page ─────────────── */
.single-page { max-width: 860px; margin: 0 auto; padding: 60px 48px 120px; }

.single-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 48px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.35;
}

.single-page h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.article-subtitle {
  font-size: 0.88rem;
  font-weight: 400;
  opacity: 0.38;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  display: block;
}

.single-page .body { font-size: 1rem; line-height: 1.85; opacity: 0.8; }
.single-page .body p { margin-bottom: 1.4em; }
.single-page .body h2 { font-size: 1.1rem; font-weight: 600; margin: 2em 0 0.6em; opacity: 1; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.4;
  margin-bottom: 48px;
  transition: opacity 0.2s;
}
.back-link:hover { opacity: 1; }


/* ── Topics intro paragraphs ─────────────────── */
.topics-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  margin-bottom: 32px;
}

.topics-intro p {
  font-size: 0.88rem;
  line-height: 1.75;
  opacity: 0.65;
}

.topics-intro p:first-child {
  font-weight: 600;
}

/* ── Topics motto ────────────────────────────── */
.topics-motto {
  font-size: 0.78rem;
  opacity: 0.65;
  letter-spacing: 0.04em;
  margin-top: 28px;
  margin-bottom: 4px;
}

/* ── Topics creative crosslink ───────────────── */
.topics-creative-note {
  margin-top: 32px;
  font-size: 0.88rem;
  opacity: 0.65;
  line-height: 1.75;
}

.topics-creative-link {
  color: #3D5A3E;
  font-weight: 600;
  opacity: 1;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.topics-creative-link:hover { opacity: 0.65; }

.site-footer--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}

/* ── Footer ───────────────────────────────────── */
.site-footer {
  margin-top: auto;
  padding: 24px 48px;
  border-top: 1px solid rgba(26,26,26,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-creative .site-footer {
  border-top-color: rgba(242,240,235,0.08);
}

.footer-copy {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.3;
}

.footer-note {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  opacity: 0.2;
}

/* ── Responsive ───────────────────────────────── */
@media (max-width: 768px) {

  /* Home header */
  .home-header { padding: 16px 20px; }
  .home-email { display: none; }

  /* Curtain — stack vertically */
  .curtain-wrap { flex-direction: column; }
  .curtain-label { font-size: 1.3rem; }
  .curtain-arrow { display: none; }

  /* Nav */
  .topnav { padding: 14px 20px; flex-wrap: wrap; gap: 10px 0; }
  .topnav-right { gap: 14px; flex-wrap: wrap; }
  .nav-links { gap: 14px; }

  /* Hero */
  .section-hero { padding: 40px 20px 32px; }

  /* Profile */
  .profile-block { grid-template-columns: 1fr; }
  .profile-photo {
    border-right: none;
    border-bottom: 1px solid rgba(26,26,26,0.1);
    padding: 28px 20px;
    justify-content: center;
  }
  .profile-img { max-width: 180px; }
  .profile-info { padding: 28px 20px; }

  /* Publications & Topics */
  .topics-section { padding: 28px 20px; }
  .pub-item { grid-template-columns: 44px 1fr; gap: 14px; }
  .pub-title-zh { font-size: 0.7rem; }
  .topic-item { grid-template-columns: 70px 1fr; }
  .topic-tag { display: none; }

  /* Creative landing */
  .creative-hero { padding: 32px 20px 28px; }
  .creative-grid { grid-template-columns: 1fr; flex: none; }
  .creative-tile {
    padding: 36px 20px 40px;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid rgba(242,240,235,0.1);
    justify-content: flex-start;
    overflow: hidden;
  }
  .tile-label { font-size: 2.4rem; }
  .tile-desc { opacity: 0.45; }

  /* Gallery */
  .series-grid { grid-template-columns: 1fr; padding: 28px 20px 48px; gap: 32px; }
  .series-header { padding: 32px 20px 28px; }
  .gallery-grid { columns: 2; column-gap: 6px; padding: 16px; }
  .gallery-grid--single { columns: 1; max-width: 100%; }
  .gallery-grid--ltr { padding: 16px; }
  .gallery-ltr-cols { gap: 8px; }
  .gallery-ltr-col--b { margin-top: 32px; }
  .gallery-ltr-col--c { margin-top: 16px; }

  /* Articles */
  .content-section { padding: 28px 20px; }
  .article-item { grid-template-columns: 70px 1fr; gap: 16px; }

  /* Video */
  .video-list { padding: 28px 20px; gap: 28px; }

  /* Single pages */
  .single-page { padding: 36px 20px 72px; }

  /* Footer */
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 20px;
  }
  .footer-note { font-size: 0.6rem; }
}
