/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:   #1a2744;
  --coral:  #e8634a;
  --gold:   #d4a853;
  --green:  #2d5a3d;
  --cream:  #f5f0e8;
  /* 同色系深半档，用来把 Photography 和它上下的米黄板块区分开。
     原来这里是纯白 #fff——和米黄只差一点点，读起来像失误而不像决定。 */
  --cream-deep: #efe8dc;
  --ink:    #1a1a1a;
  --muted:  #6b6560;
  --border: rgba(26,39,68,.1);

  --font-serif-en: 'Cormorant Garamond', Georgia, serif;
  --font-serif-zh: 'Noto Serif SC', 'Songti SC', serif;
  --font-sans-en:  'Inter', system-ui, sans-serif;
  --font-sans-zh:  'Noto Sans SC', 'PingFang SC', sans-serif;

  /* 板块上下留白。相邻板块会叠加（上一块的 padding-bottom + 下一块的 padding-top），
     所以这里的值实际要乘 2 来看：76 → 板块之间 152px。别再调回 120（=240px 空白）。 */
  --section-pad: clamp(48px, 5.5vw, 76px);
  --container:   1100px;
  --radius:      4px;
  --transition:  .3s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans-en);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.zh {
  font-family: var(--font-sans-zh);
}

/* Language visibility */
.en-content { display: block; }
.zh-content { display: none; }
body.zh .en-content { display: none; }
body.zh .zh-content { display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ===== HEADER ===== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), backdrop-filter var(--transition);
}

#site-header.scrolled {
  background: rgba(245,240,232,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  height: 64px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: .04em;
  white-space: nowrap;
  margin-right: auto;
  transition: opacity var(--transition);
}
body.zh .logo { font-family: var(--font-serif-zh); }
.logo:hover { opacity: .7; }

/* Hero: logo white; after scroll: ink */
#site-header:not(.scrolled) .logo { color: rgba(255,255,255,.9); }
#site-header:not(.scrolled) .main-nav a { color: rgba(255,255,255,.75); }
#site-header:not(.scrolled) .lang-toggle { color: rgba(255,255,255,.75); border-color: rgba(255,255,255,.35); }
#site-header:not(.scrolled) .hamburger span { background: rgba(255,255,255,.85); }

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  transition: opacity var(--transition);
}
.main-nav a:hover { opacity: .5; }

.lang-toggle {
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--ink);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
  transition: all var(--transition);
  white-space: nowrap;
}
.lang-toggle:hover { border-color: var(--navy); }

/* Show the right label */
.lang-toggle .lang-en { display: inline; }
.lang-toggle .lang-zh { display: none; }
body.zh .lang-toggle .lang-en { display: none; }
body.zh .lang-toggle .lang-zh { display: inline; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(245,240,232,.96);
  backdrop-filter: blur(12px);
  padding: 24px clamp(20px,5vw,60px) 32px;
  gap: 4px;
}
.mobile-menu a {
  font-size: 1.1rem;
  letter-spacing: .06em;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
#hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}

/* ── 颗粒粗糙质感 overlay ── */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.68' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23g)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.28;
  mix-blend-mode: overlay;
}

/* ── 角落 meta 文字 (variant.com 风格) ── */
.hero-corner {
  position: absolute;
  z-index: 2;
  font-family: var(--font-sans-en);
  font-size: clamp(.58rem, .8vw, .68rem);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.32);
  line-height: 1.8;
  pointer-events: none;
}
body.zh .hero-corner { font-family: var(--font-sans-zh); }

.hero-corner--tl { top: 80px; left: clamp(20px,5vw,60px); text-align: left; }
.hero-corner--tr { top: 80px; right: clamp(20px,5vw,60px); text-align: right; }
.hero-corner--bl { bottom: 48px; left: clamp(20px,5vw,60px); text-align: left; }

.hero-clock { font-variant-numeric: tabular-nums; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Small label above name — like variant.com "CURRENTLY TRANSMITTING" */
.hero-eyebrow {
  display: block;
  font-size: clamp(.65rem, 1.1vw, .75rem);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
  font-family: var(--font-sans-en);
}
body.zh .hero-eyebrow { font-family: var(--font-sans-zh); }

/* — decorative line — */
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '——';
  margin: 0 12px;
  opacity: .4;
}

.hero-name {
  font-family: var(--font-serif-en);
  font-size: clamp(3.2rem, 7.5vw, 6.5rem);
  font-weight: 300;
  letter-spacing: .01em;
  color: rgba(255,255,255,.94);
  text-shadow: 0 2px 30px rgba(0,0,0,.18);
  line-height: 1.0;
  margin-bottom: 28px;
}
body.zh .hero-name { font-family: var(--font-serif-zh); letter-spacing: .06em; }

/* Italic tagline */
.hero-tagline {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 300;
  color: rgba(255,255,255,.88);
  text-shadow: 0 1px 16px rgba(0,0,0,.2);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 28px;
}
body.zh .hero-tagline { font-family: var(--font-serif-zh); font-style: normal; }

/* Role meta */
.hero-role {
  font-size: clamp(.72rem, 1.1vw, .82rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.60);
  font-family: var(--font-sans-en);
}
body.zh .hero-role { font-family: var(--font-sans-zh); }

.hero-cta {
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 36px;
  text-decoration: none;
  cursor: pointer;
}
.hero-cta > span:first-child {
  font-family: var(--font-sans-en);
  font-size: clamp(.82rem, 1.3vw, .95rem);
  color: rgba(255,255,255,.72);
  letter-spacing: .03em;
  line-height: 1.5;
  max-width: 380px;
}
body.zh .hero-cta > span:first-child { font-family: var(--font-sans-zh); }
.hero-cta-arrow {
  font-family: var(--font-sans-en);
  font-size: clamp(.65rem, 1vw, .75rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.42);
  transition: color .25s ease, letter-spacing .25s ease;
}
body.zh .hero-cta-arrow { font-family: var(--font-sans-zh); letter-spacing: .08em; }
.hero-cta:hover .hero-cta-arrow {
  color: rgba(255,255,255,.72);
  letter-spacing: .22em;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,.6));
  animation: scrollHint 2s ease-in-out infinite;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0; transform: scaleY(.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== ABOUT ===== */
#about {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

.about-text { max-width: 600px; }

.about-summary,
.about-expand { display: none; }

.about-body {
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 1.4em;
}
.about-body:last-child { margin-bottom: 0; }

.about-photo {}
.about-photo-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
  background: rgba(26,39,68,.06);
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: rgba(26,39,68,.06);
  border: 1px dashed rgba(26,39,68,.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: .85rem;
  letter-spacing: .04em;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(32px, 4vw, 52px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-num {
  font-family: var(--font-serif-en);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 300;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: clamp(.78rem, 1.2vw, .88rem);
  color: var(--muted);
  line-height: 1.55;
  max-width: 240px;
}
body.zh .stat-label { font-family: var(--font-sans-zh); }

/* ===== PHOTOGRAPHY ===== */
#photography {
  padding: var(--section-pad) 0;
  background: var(--cream-deep);
}

.section-title {
  font-family: var(--font-serif-en);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: .02em;
  color: var(--navy);
  margin-bottom: .5em;
}
body.zh .section-title { font-family: var(--font-serif-zh); }

.section-sub {
  font-size: .9rem;
  color: var(--muted);
  letter-spacing: .04em;
  margin-bottom: 2.5em;
}

/* Theme galleries — horizontal scroll rows */
.photo-themes {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 80px);
  margin-top: 8px;
}

.photo-statement {
  max-width: 640px;
  font-family: var(--font-sans-en);
  font-size: clamp(.95rem, 1.5vw, 1.08rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: clamp(40px, 6vw, 64px);
}
body.zh .photo-statement {
  font-family: var(--font-sans-zh);
}

/* Theme tabs */
.photo-tabs {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: flex;
  gap: 28px;
}
.photo-tab {
  font-family: var(--font-serif-en);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 300;
  letter-spacing: .04em;
  color: var(--muted);
  padding-bottom: 6px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.photo-tab:hover { color: var(--navy); }
.photo-tab.active {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
body.zh .photo-tab { font-family: var(--font-serif-zh); }

/* Horizontal scroll track */
.photo-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 16px clamp(20px, 5vw, 60px);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.photo-track::-webkit-scrollbar { display: none; }

.photo-shot {
  flex: 0 0 auto;
  scroll-snap-align: start;
  cursor: pointer;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.photo-shot-img {
  height: clamp(300px, 44vw, 480px);
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(26,39,68,.06);
}
.photo-shot img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.photo-shot:hover img { transform: scale(1.04); }

/* aspect ratios via fixed-height + width */
.photo-shot.ph-tall   .photo-shot-img { width: clamp(220px, 30vw, 320px); }
.photo-shot.ph-wide   .photo-shot-img { width: clamp(420px, 58vw, 640px); }
.photo-shot.ph-square .photo-shot-img { width: clamp(300px, 44vw, 480px); }

.photo-shot .ph-fill {
  height: 100%;
  width: 100%;
}
.photo-shot .photo-caption {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 2px;
}
body.zh .photo-shot .photo-caption { letter-spacing: .04em; }

.photo-scroll-hint {
  max-width: var(--container);
  margin: 10px auto 0;
  padding: 0 clamp(20px, 5vw, 60px);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
body.zh .photo-scroll-hint { letter-spacing: .06em; }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,10,10,.92);
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }

.lightbox-close {
  position: absolute;
  top: 20px; right: 28px;
  color: rgba(255,255,255,.7);
  font-size: 1.4rem;
  transition: color var(--transition);
  line-height: 1;
}
.lightbox-close:hover { color: #fff; }

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-img-wrap img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}

/* ===== WRITING ===== */
#writing {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

/* Homepage: cover card grid */
/* 列数 = 文章数（最多 3），由 initWriting 写进 --cols。
   否则 auto-fill 会按容器宽度铺满 5 列，只有 2 篇时卡片被压小、右边空一大片。 */
.writing-cards {
  display: grid;
  --cols: 3;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  max-width: min(100%, calc(var(--cols) * 340px));
  gap: clamp(24px, 3vw, 40px);
}

.writing-card { display: block; }

.writing-card-cover {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(26,39,68,.06);
  margin-bottom: 16px;
}
.writing-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.writing-card:hover .writing-card-cover img { transform: scale(1.04); }
.writing-card-ph {
  width: 100%;
  height: 100%;
  background: rgba(26,39,68,.06);
  border: 1px dashed rgba(26,39,68,.2);
  border-radius: var(--radius);
}

.writing-card-tag {
  display: block;
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 8px;
}
body.zh .writing-card-tag { letter-spacing: .1em; }
.writing-card-title {
  font-family: var(--font-serif-en);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: 6px;
  transition: opacity var(--transition);
}
body.zh .writing-card-title { font-family: var(--font-serif-zh); }
.writing-card:hover .writing-card-title { opacity: .6; }
.writing-card-meta {
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--muted);
}
body.zh .writing-card-meta { font-family: var(--font-sans-zh); }

/* ===== ARTICLE PAGE (article.html) ===== */
#article {
  padding: calc(64px + var(--section-pad)) 0 var(--section-pad);
  background: var(--cream);
  min-height: 100vh;
}
.article-inner { max-width: 720px; }
.article-back {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 40px;
  transition: color var(--transition);
}
.article-back:hover { color: var(--navy); }
body.zh .article-back { font-family: var(--font-sans-zh); }
.article-cover {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(26,39,68,.06);
  margin-bottom: 40px;
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.article-lead {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.65;
  color: var(--navy);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
body.zh .article-lead { font-family: var(--font-sans-zh); line-height: 1.8; }

.article-body p {
  font-family: var(--font-sans-en);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 1.4em;
}
body.zh .article-body p { font-family: var(--font-sans-zh); line-height: 1.95; }
.article-body em { font-style: italic; color: var(--muted); }

/* 文章正文插图：数据里给 sections[].img（可选 caption），没图或图挂了整块自动移除 */
.article-fig { margin: clamp(28px, 4vw, 44px) 0; }
.article-fig img {
  width: 100%;
  border-radius: var(--radius);
  background: rgba(26,39,68,.06);
}
.article-fig figcaption {
  margin-top: 10px;
  font-size: .76rem;
  letter-spacing: .03em;
  line-height: 1.6;
  color: var(--muted);
}
body.zh .article-fig figcaption { font-family: var(--font-sans-zh); line-height: 1.8; }

.article-h {
  font-family: var(--font-serif-en);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 400;
  color: var(--navy);
  margin: 2.2em 0 .8em;
}
body.zh .article-h { font-family: var(--font-serif-zh); line-height: 1.55; font-weight: 600; }

.article-body + .writing-link { margin-top: 24px; }

/* ===== WORK CASE PAGE (work.html) ===== */
#work-case {
  padding: calc(64px + var(--section-pad)) 0 var(--section-pad);
  background: var(--cream);
  min-height: 100vh;
}
.casework-inner { max-width: 820px; }
.casework-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 4px;
  margin: 28px 0 16px;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.casework-tags i { color: rgba(26,39,68,.3); font-style: normal; margin: 0 4px; }
body.zh .casework-tags { letter-spacing: .08em; }
.casework-title {
  font-family: var(--font-serif-en);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 300;
  color: var(--navy);
  line-height: 1.05;
  margin-bottom: 24px;
}
body.zh .casework-title { font-family: var(--font-serif-zh); }
.casework-intro-block {
  border-bottom: 1px solid var(--border);
  padding-bottom: clamp(32px, 5vw, 48px);
  margin-bottom: 40px;
  max-width: 680px;
}
/* 字号层级（桌面端）：小标题 33.6 > 金句 24.8 > thread 引言 22.4 ≈ 首段 20 > 正文 17.6。
   拉开距离，别让三四个元素挤在 18–20px 之间互相打架。
   中文的行高一律另给（body.zh 那几条）：方块字没有上下延伸，
   英文的 1.25–1.45 到中文这里就变成上下两行贴在一起。 */
.casework-lead {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  color: var(--navy);
  margin-bottom: 1em;
}
body.zh .casework-lead { font-family: var(--font-sans-zh); line-height: 1.8; }
.casework-intro {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 1.1em;
}
body.zh .casework-intro { font-family: var(--font-sans-zh); }
.casework-punch {
  font-family: var(--font-sans-en);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--navy);
  line-height: 1.45;
  margin-top: 1.3em;
}
body.zh .casework-punch { font-family: var(--font-sans-zh); letter-spacing: 0; line-height: 1.7; font-weight: 600; }

.casework-link { margin-bottom: 40px; }
.casework-cover {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(26,39,68,.06);
  margin-bottom: clamp(48px, 7vw, 88px);
}
.casework-cover img { width: 100%; display: block; }

.casework-thread { margin-bottom: clamp(48px, 7vw, 88px); }
.casework-label {
  display: block;
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 16px;
}
body.zh .casework-label { letter-spacing: .1em; }
.casework-h {
  font-family: var(--font-sans-en);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 22px;
  max-width: 620px;
}
body.zh .casework-h { font-family: var(--font-sans-zh); letter-spacing: 0; line-height: 1.55; font-weight: 600; }
.casework-thread p {
  font-family: var(--font-sans-en);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 1.4em;
  max-width: 620px;
}
body.zh .casework-thread p { font-family: var(--font-sans-zh); line-height: 1.95; }
.casework-quote {
  font-family: var(--font-sans-en);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 500;
  font-style: normal;
  letter-spacing: -.01em;
  color: var(--navy);
  line-height: 1.4;
  border-left: 2px solid var(--gold);
  padding-left: clamp(20px, 3vw, 32px);
  margin: 40px 0;
  max-width: 640px;
}
body.zh .casework-quote { font-family: var(--font-sans-zh); letter-spacing: 0; line-height: 1.75; font-weight: 600; }
.casework-fig { margin: 40px 0 0; }
.casework-fig img,
.casework-gallery img {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.casework-gallery {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(48px, 7vw, 88px);
}
.casework-gallery figure { margin: 0; }

.casework-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(32px, 5vw, 48px) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.casework-stat { display: flex; flex-direction: column; gap: 6px; }
.cs-n {
  font-family: var(--font-serif-en);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 300;
  color: var(--navy);
  line-height: 1.1;
}
body.zh .cs-n { font-family: var(--font-serif-zh); }
.cs-l { font-size: .8rem; color: var(--muted); }
body.zh .cs-l { font-family: var(--font-sans-zh); }
.casework-foot { display: inline-block; margin-top: 8px; }

.writing-tag {
  display: block;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 14px;
}
body.zh .writing-tag { letter-spacing: .1em; }

.writing-title {
  font-family: var(--font-serif-en);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 10px;
}
body.zh .writing-title { font-family: var(--font-serif-zh); line-height: 1.45; font-weight: 600; }

.writing-meta {
  font-size: .74rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 22px;
}
body.zh .writing-meta { text-transform: none; letter-spacing: .04em; }

.writing-framing {
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 28px;
}
body.zh .writing-framing { font-family: var(--font-sans-zh); }

.writing-excerpt {
  border-left: 2px solid var(--gold);
  padding-left: clamp(18px, 3vw, 28px);
  margin-bottom: 26px;
}
.writing-excerpt p {
  font-family: var(--font-sans-en);
  font-size: clamp(.98rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 1em;
}
.writing-excerpt p:last-child { margin-bottom: 0; }
.writing-excerpt em { font-style: italic; color: var(--muted); }
.writing-excerpt.zh-content p,
body.zh .writing-excerpt p {
  font-family: var(--font-sans-zh);
  line-height: 1.9;
}

.writing-link {
  display: inline-block;
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
  transition: opacity var(--transition);
}
.writing-link:hover { opacity: .55; }
body.zh .writing-link { font-family: var(--font-sans-zh); }

/* ===== ABOUT→WORK BRIDGE ===== */
.about-work-bridge {
  background: var(--navy);
  padding: clamp(20px, 3vw, 32px) clamp(20px, 5vw, 60px);
  text-align: center;
}
.about-work-bridge span {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,.28);
  letter-spacing: .04em;
}
body.zh .about-work-bridge span {
  font-family: var(--font-serif-zh);
  font-style: normal;
}

/* ===== WORK ===== */
#work {
  padding: var(--section-pad) 0;
  background: var(--navy);
}

#work .section-title { color: #fff; }
#work .section-sub {
  color: rgba(255,255,255,.45);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

/* Card — minimal surface */
.work-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: opacity var(--transition);
}
.work-card:hover { opacity: .82; }
/* coming-soon 卡片：光调暗不够，访客会以为是 bug——必须有一行字说明为什么。
   .35 太淡了，抬到 .5 才读得出内容。 */
.work-card.coming-soon { opacity: .5; cursor: default; position: relative; }
.work-card.coming-soon:hover { opacity: .5; }
.work-card.coming-soon .work-card-img::after {
  content: attr(data-soon);
  position: absolute;
  left: 14px; top: 14px;
  padding: 5px 10px;
  font-family: var(--font-sans-en);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
  background: rgba(26,39,68,.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 2px;
}
body.zh .work-card.coming-soon .work-card-img::after { font-family: var(--font-sans-zh); letter-spacing: .08em; }

.work-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}
.work-card-img img { width: 100%; height: 100%; object-fit: cover; }

.work-card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 2px;
}

.work-tag {
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  font-family: var(--font-sans-en);
}
body.zh .work-tag { font-family: var(--font-sans-zh); letter-spacing: .08em; }

.work-card-title {
  font-family: var(--font-serif-en);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 400;
  color: rgba(255,255,255,.9);
  line-height: 1.3;
}
body.zh .work-card-title { font-family: var(--font-serif-zh); }

.work-card-teaser {
  font-size: .82rem;
  color: rgba(255,255,255,.42);
  line-height: 1.6;
}
body.zh .work-card-teaser { font-family: var(--font-sans-zh); }

.work-card-read {
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.28);
  transition: color var(--transition);
}
.work-card:hover .work-card-read { color: rgba(255,255,255,.6); }

/* Work modal */
.work-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,14,26,.88);
  z-index: 200;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.work-modal-backdrop.open { display: flex; }

.work-modal {
  background: #111827;
  border: 1px solid rgba(255,255,255,.1);
  max-width: 680px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: clamp(32px, 5vw, 56px);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.work-modal-close {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 1.1rem;
  color: rgba(255,255,255,.4);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}
.work-modal-close:hover { color: rgba(255,255,255,.9); }

.work-modal-img {
  width: 100%;
  aspect-ratio: 16/7;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}
.work-modal-img img { width: 100%; height: 100%; object-fit: cover; }

.work-modal-tag {
  font-size: .62rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}
.work-modal-title {
  font-family: var(--font-serif-en);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  color: rgba(255,255,255,.92);
  line-height: 1.25;
}
body.zh .work-modal-title { font-family: var(--font-serif-zh); }

.work-modal-context {
  font-size: .9rem;
  color: rgba(255,255,255,.48);
  font-style: italic;
  line-height: 1.7;
}
body.zh .work-modal-context { font-style: normal; font-family: var(--font-sans-zh); }

.work-modal-body {
  font-size: .95rem;
  color: rgba(255,255,255,.75);
  line-height: 1.8;
}
body.zh .work-modal-body { font-family: var(--font-sans-zh); }

.work-modal-footer {
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  line-height: 1.65;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
}
body.zh .work-modal-footer { font-family: var(--font-sans-zh); }

/* 摄影展背书：第三方验证的审美，比任何"精通某软件"都硬 */
.photo-credit {
  margin-top: clamp(20px, 2.5vw, 28px);
  font-size: .8rem;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--muted);
}
body.zh .photo-credit { font-family: var(--font-sans-zh); line-height: 1.85; }

/* ── 交付物清单（Work 区内，深蓝底）── */
.deliverables {
  margin-top: clamp(48px, 7vw, 80px);
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid rgba(255,255,255,.14);
}
.deliverables-title {
  font-family: var(--font-serif-en);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 300;
  color: #fff;
  margin-bottom: clamp(24px, 3vw, 36px);
}
body.zh .deliverables-title { font-family: var(--font-serif-zh); line-height: 1.45; }
.deliverables-sub {
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(255,255,255,.45);
  margin: -14px 0 clamp(24px, 3vw, 36px);
}
body.zh .deliverables-sub { font-family: var(--font-sans-zh); line-height: 1.85; }

.deliverables-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(22px, 3vw, 36px) clamp(28px, 4vw, 56px);
}
.deliverable-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--gold);
}
.deliverable-summary {
  display: block;
  list-style: none;
  cursor: default;
}
.deliverable-summary::-webkit-details-marker { display: none; }
.deliverable-arrow,
.d-result { display: none; }
.deliverable-detail { margin-top: 6px; }
.d-h {
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: rgba(255,255,255,.92);
  line-height: 1.45;
}
body.zh .d-h { font-family: var(--font-sans-zh); line-height: 1.6; }
.d-p {
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(255,255,255,.5);
}
body.zh .d-p { font-family: var(--font-sans-zh); line-height: 1.85; }


.work-cta { text-align: center; margin-top: clamp(40px, 5vw, 64px); }

.btn-primary {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid rgba(255,255,255,.4);
  color: #fff;
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--transition);
}
.btn-primary:hover {
  background: #fff;
  color: var(--navy);
}

/* ===== CONTACT ===== */
#contact {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

.contact-inner { text-align: center; }
.contact-inner .section-title { margin-bottom: 24px; }

.contact-lede {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.7;
}
body.zh .contact-lede { font-family: var(--font-sans-zh); }

.btn-contact {
  display: inline-block;
  padding: 14px 40px;
  background: var(--navy);
  color: #fff;
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--transition);
}
.btn-contact:hover { background: var(--coral); }
body.zh .btn-contact { font-family: var(--font-sans-zh); letter-spacing: .06em; }

/* Contact card grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 760px;
  margin: 48px auto 0;
  text-align: left;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 3.5vw, 36px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.contact-card--link {
  transition: border-color var(--transition), transform var(--transition);
}
.contact-card--link:hover {
  border-color: var(--navy);
  transform: translateY(-2px);
}

.contact-card-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
body.zh .contact-card-label { font-family: var(--font-sans-zh); letter-spacing: .08em; }

.contact-card-main {
  font-size: 1.02rem;
  color: var(--navy);
  line-height: 1.5;
}
body.zh .contact-card-main { font-family: var(--font-sans-zh); }

.contact-card-desc {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.6;
}
body.zh .contact-card-desc { font-family: var(--font-sans-zh); }

a.contact-email:hover { text-decoration: underline; text-underline-offset: 3px; }

.contact-wechat {
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-wechat .copy-btn { font-size: .9rem; }

.contact-items {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-label {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  width: 72px;
  text-align: right;
}

.contact-value {
  font-size: 1.05rem;
  color: var(--navy);
}
a.contact-value:hover { text-decoration: underline; text-underline-offset: 3px; }

.copy-btn {
  font-size: 1.05rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity var(--transition);
}
.copy-btn:hover { opacity: .7; }

.copy-hint {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 10px;
  transition: all var(--transition);
}
.copy-btn.copied .copy-hint {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

/* ===== FOOTER ===== */
/* Social icons — header */
.social-links {
  display: flex;
  gap: 16px;
  align-items: center;
}
.social-link {
  display: flex;
  align-items: center;
  color: var(--ink);
  opacity: .5;
  transition: opacity var(--transition);
}
.social-link:hover { opacity: 1; }
#site-header:not(.scrolled) .social-link { color: rgba(255,255,255,.75); opacity: 1; }
#site-header:not(.scrolled) .social-link:hover { opacity: .6; }

footer {
  background: var(--ink);
  color: rgba(255,255,255,.35);
  text-align: center;
  padding: 24px 20px;
  font-size: .8rem;
  letter-spacing: .06em;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.footer-social { display: flex; gap: 16px; align-items: center; }
.footer-social-link {
  display: flex;
  align-items: center;
  color: rgba(255,255,255,.35);
  transition: color var(--transition);
}
.footer-social-link:hover { color: rgba(255,255,255,.8); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-photo {
    order: -1;
    display: flex;
    justify-content: center;
  }
  .photo-placeholder { aspect-ratio: 4/3; max-width: 420px; }
  .about-photo-img {
    width: min(100%, 300px);
    max-width: 300px;
  }

  .masonry-grid { columns: 2; }
  .writing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  :root { --section-pad: 56px; }

  .about-grid { gap: 36px; }
  .about-body {
    font-size: .98rem;
    line-height: 1.9;
    margin-bottom: 1.6em;
  }
  .about-summary { display: block; }
  .about-full { display: none; }
  .about-text.is-expanded .about-summary { display: none; }
  .about-text.is-expanded .about-full {
    display: block;
    animation: about-reveal .3s ease;
  }
  .about-expand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    margin-top: 4px;
    color: var(--navy);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(26,39,68,.35);
  }
  body.zh .about-expand {
    font-family: var(--font-sans-zh);
    letter-spacing: .06em;
  }
  .about-expand-close { display: none; }
  .about-expand-arrow {
    font-size: 1rem;
    transition: transform .25s ease;
  }
  .about-text.is-expanded .about-expand-open { display: none; }
  .about-text.is-expanded .about-expand-close { display: inline; }
  .about-text.is-expanded .about-expand-arrow { transform: rotate(180deg); }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 40px;
    padding-top: 28px;
  }
  .stat {
    display: grid;
    grid-template-columns: minmax(96px, max-content) 1fr;
    align-items: start;
    gap: 18px;
  }
  .stat-num {
    font-size: clamp(2.25rem, 11vw, 2.7rem);
    white-space: nowrap;
  }
  .stat-label {
    max-width: none;
    padding-top: 3px;
  }

  .work-grid {
    grid-template-columns: 1fr;
    gap: 38px;
    margin-bottom: 48px;
  }
  .deliverables {
    margin-top: 44px;
    padding-top: 36px;
  }
  .deliverables-list {
    grid-template-columns: 1fr;
    gap: 0;
    border-bottom: 1px solid rgba(255,255,255,.14);
  }
  .deliverable-item {
    display: block;
    padding: 0;
    border-left: 0;
    border-top: 1px solid rgba(255,255,255,.14);
  }
  .deliverable-summary {
    position: relative;
    display: grid;
    gap: 5px;
    min-height: 44px;
    padding: 16px 36px 16px 0;
    cursor: pointer;
  }
  .deliverable-arrow {
    position: absolute;
    top: 50%;
    right: 4px;
    display: block;
    color: var(--gold);
    font-size: 1.15rem;
    line-height: 1;
    transform: translateY(-55%);
    transition: transform .25s ease;
  }
  .deliverable-item[open] .deliverable-arrow {
    transform: translateY(-45%) rotate(180deg);
  }
  .d-result {
    display: block;
    font-size: .72rem;
    line-height: 1.55;
    color: rgba(255,255,255,.42);
  }
  body.zh .d-result { font-family: var(--font-sans-zh); }
  .deliverable-detail {
    margin: 0;
    padding: 0 36px 17px 0;
    animation: deliverable-reveal .25s ease;
  }

  .photo-statement {
    line-height: 1.9;
    margin-bottom: 32px;
  }
  .photo-tabs {
    gap: 20px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .photo-tabs::-webkit-scrollbar { display: none; }

  .contact-lede {
    max-width: 340px;
    margin: 0 auto 32px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 38px;
  }
  .contact-card {
    padding: 26px;
    gap: 16px;
  }
}

@media (max-width: 540px) {
  .masonry-grid { columns: 1; }

  .hero-role { letter-spacing: .1em; }

  .about-photo-img {
    width: min(76vw, 248px);
    max-width: 248px;
  }

  .writing-cards {
    grid-template-columns: 1fr;
    max-width: 300px;
    gap: 42px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 32px;
  }
  .contact-card {
    min-width: 0;
    padding: 18px 14px;
    gap: 10px;
  }
  .contact-card-label {
    gap: 5px;
    font-size: .58rem;
    letter-spacing: .12em;
  }
  .contact-card-main {
    font-size: .82rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }
  .contact-card-desc {
    font-size: .69rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }
  .btn-contact {
    width: 100%;
    padding: 11px 8px;
    font-size: .68rem;
    text-align: center;
  }
  .contact-wechat {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 5px;
  }
  .contact-wechat .copy-btn { font-size: .7rem; }
  .copy-hint {
    margin-left: 4px;
    padding: 3px 6px;
    font-size: .56rem;
  }

  .contact-item { flex-direction: column; gap: 4px; }
  .contact-label { width: auto; text-align: center; }
}

@keyframes deliverable-reveal {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes about-reveal {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 350px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ===== FADE TRANSITION for lang switch ===== */
.lang-fade { opacity: 0; transition: opacity .3s ease; }
.lang-fade.visible { opacity: 1; }