/* PaddiPhotograph
   深色画廊：炭灰底色呼应雾与夜，金色只用于小标签与强调；中文标题用粗宋体。 */

:root {
  --bg: #0d0e0f;
  --bg-2: #17181a;
  --ink: #ece8e1;
  --ink-2: #aaa59c;
  --ink-3: #78736b;
  --line: rgba(236, 232, 225, .14);
  --accent: #c9a35c;
  --gold: #d6b26e;

  --serif: "PP Cormorant", "PP Serif SC", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;

  --gutter: clamp(16px, 4vw, 64px);
  --gap: clamp(6px, .7vw, 12px);
  --row: 290px;
  --nav-h: 80px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (max-width: 1200px) { :root { --row: 240px; } }
@media (max-width: 900px)  { :root { --row: 180px; --nav-h: 64px; } }
@media (max-width: 560px)  { :root { --row: 120px; } }

/* ---------------------------------------------------------------- base */

*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--bg);
  color: var(--ink);
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  font: 400 15px/1.8 var(--sans);
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
em { font-style: italic; }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--bg); }
html.menu-open, html.lb-open { overflow: hidden; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip {
  position: fixed; left: 12px; top: -64px; z-index: 100;
  padding: 8px 14px; background: var(--ink); color: var(--bg);
  transition: top .2s;
}
.skip:focus { top: 12px; }

/* 金色小标签（英文大写 + 字距） */
.label {
  margin: 0;
  font: 600 11px/1.6 var(--sans);
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
}
.label a { transition: color .3s; }
.label a:hover { color: var(--ink); }
.label .sep { margin: 0 .5em; opacity: .5; }
.label .num { margin-right: 1em; font-variant-numeric: tabular-nums; }

.btn {
  display: inline-flex; align-items: center; gap: .5em;
  height: 46px; padding: 0 22px;
  border: 1px solid rgba(236, 232, 225, .4);
  border-radius: 999px;
  font: 600 14px/1 var(--sans); letter-spacing: .14em;
  color: var(--ink);
  transition: background-color .3s, border-color .3s, color .3s;
}
.btn em { font: italic 400 1.05rem var(--serif); letter-spacing: .02em; opacity: .8; }
.btn:hover { border-color: var(--ink); background: rgba(236, 232, 225, .08); }
.btn--gold { background: var(--gold); border-color: var(--gold); color: #17140e; }
.btn--gold:hover { background: #e2c283; border-color: #e2c283; }

.js .fade-img { opacity: 0; transition: opacity 1s var(--ease), transform 1.4s var(--ease); }
.js .fade-img.is-in { opacity: 1; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .55em;
  padding: 6px 0;
  font: 400 1.25rem/1.2 var(--serif);
  letter-spacing: .12em;
  border-bottom: 1px solid var(--line);
  transition: border-color .3s, gap .3s var(--ease);
}
.link-arrow em { color: var(--ink-2); letter-spacing: .02em; }
.link-arrow svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.25; }
.link-arrow:hover { border-color: var(--accent); gap: .9em; }

/* ---------------------------------------------------------------- brand & nav */

.brand {
  display: inline-flex; align-items: baseline;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: .01em;
  white-space: nowrap;
}
.brand span { font-weight: 500; }
.brand em { font-weight: 400; color: var(--ink-2); }

.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: calc(var(--nav-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) var(--gutter) 0;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  transition: transform .5s var(--ease), background-color .5s, -webkit-backdrop-filter .5s, backdrop-filter .5s;
}
.nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--line); opacity: 0; transition: opacity .5s;
}
.nav.is-solid {
  background: rgba(13, 14, 15, .8);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
}
.nav.is-solid::after { opacity: 1; }
.nav.is-hidden { transform: translateY(-100%); }
.has-cover .nav:not(.is-solid) { text-shadow: 0 1px 14px rgba(0, 0, 0, .45); }
.menu-open .nav { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; transform: none; }
.menu-open .nav::after { opacity: 0; }

.nav-links { display: flex; gap: clamp(20px, 2.6vw, 40px); }
.nav-links a {
  display: grid; justify-items: center;
  line-height: 1.3;
  color: var(--ink-2);
  transition: color .3s;
}
.nav-links .zh { font-family: var(--serif); font-size: 15px; letter-spacing: .18em; margin-right: -.18em; }
.nav-links .en { font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--ink-3); transition: color .3s; }
.has-cover .nav:not(.is-solid) .nav-links a,
.has-cover .nav:not(.is-solid) .nav-links .en,
.has-cover .nav:not(.is-solid) .brand em { color: rgba(236, 232, 225, .85); }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); }
.nav-links a:hover .en { color: var(--ink-2); }
.nav-links a[aria-current] .en { color: var(--accent); }

.menu-btn { display: none; position: relative; width: 44px; height: 44px; margin-right: -10px; }
.menu-icon, .menu-icon::before {
  position: absolute; left: 11px; right: 11px; height: 1px;
  background: var(--ink);
  transition: transform .4s var(--ease), top .4s var(--ease);
}
.menu-icon { top: 18px; }
.menu-icon::before { content: ""; left: 0; right: 0; top: 7px; }
[aria-expanded="true"] .menu-icon { top: 22px; transform: rotate(45deg); }
[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(-90deg); }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .brand { font-size: 1.35rem; }
}

.menu {
  position: fixed; inset: 0; z-index: 45;
  display: flex; align-items: flex-end;
  padding: calc(var(--nav-h) + 24px) var(--gutter) calc(40px + env(safe-area-inset-bottom));
  background: rgba(11, 12, 13, .97);
  opacity: 0;
  transition: opacity .45s var(--ease);
  overflow-y: auto;
}
.menu[hidden] { display: none; }
.menu.is-open { opacity: 1; }
.menu nav { width: 100%; }
.menu ol { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--line); }
.menu li a {
  display: grid; grid-template-columns: 2.4em auto 1fr auto; align-items: baseline; gap: .7em;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  transform: translateY(12px); opacity: 0;
  transition: transform .6s var(--ease), opacity .6s var(--ease);
}
.menu.is-open li a { transform: none; opacity: 1; }
.menu.is-open li:nth-child(2) a { transition-delay: .04s; }
.menu.is-open li:nth-child(3) a { transition-delay: .08s; }
.menu.is-open li:nth-child(4) a { transition-delay: .12s; }
.menu.is-open li:nth-child(5) a { transition-delay: .16s; }
.menu.is-open li:nth-child(n+6) a { transition-delay: .2s; }
.menu .num { font: italic 1rem var(--serif); color: var(--accent); }
.menu .zh { font: 400 1.7rem/1.1 var(--serif); letter-spacing: .1em; }
.menu .en { font: italic 1.15rem var(--serif); color: var(--ink-2); }
.menu .count { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.menu a[aria-current] .zh { color: var(--accent); }
.menu .zh { font-weight: 700; }
.menu-more { display: flex; flex-wrap: wrap; gap: 12px 32px; margin: 28px 0 0; }
.menu-more a { font: 700 1.4rem var(--serif); letter-spacing: .12em; }
.menu-more em { color: var(--ink-2); font-weight: 400; letter-spacing: 0; margin-left: .2em; }

/* ---------------------------------------------------------------- hero */

.hero {
  position: relative;
  height: 100vh; height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: var(--bg-2);
}
.hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.8s var(--ease), transform 9s cubic-bezier(.25, .1, .25, 1);
}
.hero-img.is-active { opacity: 1; transform: scale(1); }
.hero-shade {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 0% 80%, rgba(8, 9, 10, .5), rgba(8, 9, 10, 0) 70%),
    linear-gradient(to top, rgba(8, 9, 10, .85) 0%, rgba(8, 9, 10, .5) 28%, rgba(8, 9, 10, .12) 55%, rgba(8, 9, 10, 0) 70%),
    linear-gradient(to bottom, rgba(8, 9, 10, .6) 0%, rgba(8, 9, 10, .25) 12%, rgba(8, 9, 10, 0) 24%);
}
.hero-text {
  position: absolute;
  left: var(--gutter); right: var(--gutter);
  bottom: clamp(96px, 14vh, 150px);
  max-width: 64rem;
}
.hero-text .label { text-shadow: 0 1px 10px rgba(0, 0, 0, .5); }
.hero-title {
  margin: .4em 0 .3em;
  font: 700 clamp(2.5rem, 6.4vw, 5.8rem)/1.2 var(--serif);
  letter-spacing: .06em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: clamp(22px, 3vw, 36px) 0 0; }
.hero-en {
  max-width: 26em;
  margin: 0;
  font: italic 400 clamp(1.15rem, 1.9vw, 1.7rem)/1.4 var(--serif);
  color: rgba(236, 232, 225, .78);
}
.hero-meta {
  position: absolute;
  right: var(--gutter);
  bottom: calc(clamp(24px, 5vh, 52px) + env(safe-area-inset-bottom));
  text-align: right;
}
.hero-caption { display: inline-block; margin: 0; font: 400 1rem/1.4 var(--serif); color: rgba(236, 232, 225, .78); transition: opacity .6s, color .3s; }
.hero-caption:hover { color: var(--ink); }
.hero-caption .zh { letter-spacing: .14em; }
.hero-caption em { color: rgba(236, 232, 225, .6); }
.hero-dots { display: flex; justify-content: flex-end; gap: 14px; margin-top: 10px; }
.hero-dot {
  display: grid; gap: 8px;
  width: 44px; padding: 8px 0;
  text-align: left;
  font: 500 11px/1 var(--sans); letter-spacing: .12em;
  color: rgba(236, 232, 225, .45);
  transition: color .4s;
}
.hero-dot::after {
  content: ""; height: 1px;
  background: rgba(236, 232, 225, .25) linear-gradient(var(--ink), var(--ink)) no-repeat 0 0 / 0 100%;
}
.hero-dot:hover, .hero-dot.is-active { color: var(--ink); }
.hero-dot.is-active::after { animation: hero-progress var(--hero-ms, 7000ms) linear forwards; }
@keyframes hero-progress { to { background-size: 100% 100%; } }

@media (max-width: 700px) {
  .hero-text { bottom: calc(132px + env(safe-area-inset-bottom)); }
  .btn { height: 42px; padding: 0 18px; font-size: 13px; }
  .hero-meta { left: var(--gutter); text-align: left; }
  .hero-dots { justify-content: flex-start; }
}

/* ---------------------------------------------------------------- sections */

.section { padding-top: clamp(96px, 12vw, 176px); }
.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 16px 48px;
  padding: 0 var(--gutter);
  margin-bottom: clamp(28px, 4vw, 56px);
}
.section-title {
  margin: .3em 0 0;
  font: 700 clamp(2.1rem, 4.6vw, 3.6rem)/1.15 var(--serif);
  letter-spacing: .1em;
}
.section-title--sm { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.section-head--sub { margin-top: clamp(64px, 8vw, 120px); }
.more-link { padding: clamp(32px, 4vw, 56px) var(--gutter) 0; margin: 0; text-align: center; }
.section-title em { margin-left: .55em; font-size: .52em; letter-spacing: .01em; color: var(--ink-2); }
.section-note { max-width: 26em; margin: 0; font-size: 13px; line-height: 1.7; color: var(--ink-3); }
.section-note span { display: block; font: italic 15px/1.5 var(--serif); letter-spacing: .01em; }

/* 开篇引言与数字 */
.intro {
  padding: clamp(80px, 11vw, 160px) var(--gutter) 0;
  text-align: center;
}
.quote { margin: 1.4em auto 0; max-width: 46rem; }
.quote p {
  margin: 0;
  font: 400 clamp(1.4rem, 2.6vw, 2.2rem)/1.8 var(--serif);
  letter-spacing: .06em;
  color: var(--ink-2);
}
.quote .hl { font-style: normal; font-weight: 700; color: var(--ink); background: linear-gradient(transparent 62%, rgba(214, 178, 110, .32) 62%, rgba(214, 178, 110, .32) 92%, transparent 92%); }
.quote .quote-en { margin-top: .9em; font: italic 400 clamp(1.05rem, 1.6vw, 1.35rem)/1.5 var(--serif); letter-spacing: .01em; color: var(--ink-3); }
.stats {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  max-width: 64rem; margin: clamp(48px, 6vw, 88px) auto 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stats > div { display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; padding: clamp(20px, 3vw, 34px) 8px; }
.stats > div + div { border-left: 1px solid var(--line); }
.stats dd { margin: 0; white-space: nowrap; font: 600 clamp(1.8rem, 3.6vw, 3rem)/1 var(--serif); color: var(--gold); font-variant-numeric: lining-nums tabular-nums; letter-spacing: .02em; }
.stats dt { font-size: 12px; letter-spacing: .14em; color: var(--ink-3); }
.stats dt span { display: block; font: italic 13px var(--serif); letter-spacing: .04em; }
.stats > div:last-child dd { font-size: clamp(1.5rem, 2.6vw, 2.3rem); }
@media (max-width: 700px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats > div:nth-child(odd) { border-left: 0; }
  .stats > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .stats > div:last-child { grid-column: 1 / -1; border-left: 0; }
}

/* 系列卡片：封面按原画幅排成两端对齐的行，不裁切 */
.rows--series { --row: 330px; margin: 0 var(--gutter); }
.scard {
  position: relative; display: block; overflow: hidden;
  flex-grow: calc(var(--ar) * 100);
  flex-basis: calc(var(--ar) * var(--row));
  aspect-ratio: var(--ar);
  background: var(--bg-2);
  isolation: isolate;
}
.rows.is-laid-out > .scard { flex: none; aspect-ratio: auto; }
.scard-media { position: absolute; inset: 0; background: var(--c, var(--bg-2)); }
.scard-video { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.scard:hover .scard-video { transform: scale(1.035); }
.scard-media img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; transition: opacity 1s var(--ease), transform 1.6s var(--ease); }
.scard:hover .scard-media img { transform: scale(1.035); }
.scard-shade {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to top, rgba(8, 9, 10, .82) 0%, rgba(8, 9, 10, .3) 32%, rgba(8, 9, 10, 0) 55%);
  transition: opacity .5s;
}
.scard-body {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: clamp(14px, 1.8vw, 26px);
  transition: transform .6s var(--ease);
}
.scard-title { margin: .3em 0 .15em; font: 700 clamp(1.3rem, 2vw, 2rem)/1.2 var(--serif); letter-spacing: .08em; }
.scard-sub { margin: 0; font-size: 13px; color: rgba(236, 232, 225, .8); letter-spacing: .05em; }
.scard-count { margin: .6em 0 0; font-size: 12px; letter-spacing: .12em; color: rgba(236, 232, 225, .6); }
@media (hover: hover) {
  .scard-sub, .scard-count { max-height: 0; opacity: 0; overflow: hidden; transition: max-height .6s var(--ease), opacity .4s; }
  .scard:hover .scard-sub, .scard:hover .scard-count, .scard:focus-visible .scard-sub, .scard:focus-visible .scard-count { max-height: 4em; opacity: 1; }
  .scard:hover .scard-shade { opacity: 1.2; }
}
@media (max-width: 560px) {
  .rows--series { --row: 230px; }
  .scard-sub { display: none; }
  .scard .label { letter-spacing: .12em; font-size: 10px; }
  .scard-title { font-size: 1.25rem; }
}

/* 主题入口 */
.theme-links {
  list-style: none; margin: 0; padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  column-gap: clamp(20px, 3vw, 48px);
}
.theme-links a {
  display: flex; align-items: baseline; gap: .6em;
  padding: 20px 4px;
  border-top: 1px solid var(--line);
  transition: color .3s, padding .4s var(--ease);
}
.theme-links .zh { font: 700 1.35rem var(--serif); letter-spacing: .12em; }
.theme-links em { font: italic 1rem var(--serif); color: var(--ink-3); }
.theme-links .count { margin-left: auto; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.theme-links a:hover { color: var(--gold); padding-left: 12px; }

/* 画廊：通栏大图与两端对齐的照片行交替出现 */
.gallery {
  display: flex; flex-direction: column;
  gap: var(--gap);
  padding: 0 var(--gutter);
}
/* 照片行：每张宽度按比例伸缩，同一行高度一致、不裁切 */
.rows { display: flex; flex-wrap: wrap; gap: var(--gap); }
.rows::after { content: ""; flex-grow: 1000000; }
.tile {
  position: relative; display: block;
  flex-grow: calc(var(--ar) * 100);
  flex-basis: calc(var(--ar) * var(--row));
  aspect-ratio: var(--ar);
  overflow: hidden;
  background: var(--c, var(--bg-2));
  cursor: zoom-in;
}
/* JS 计算好每张的精确尺寸后，关闭 flex 伸缩 */
.rows.is-laid-out::after { display: none; }
.rows.is-laid-out > * { flex: none; aspect-ratio: auto; }

/* 通栏大图：横幅铺满宽度（最高不超过一屏），竖幅与说明文字并排 */
.feature {
  width: min(100%, calc(84vh * var(--ar)));
  width: min(100%, calc(84svh * var(--ar)));
  margin: clamp(28px, 5vw, 88px) auto;
}
.feature:first-child { margin-top: 0; }
.feature:last-child { margin-bottom: 0; }
.feature .tile { width: 100%; flex: none; }
.feature .tile-cap { display: none; }
.feature-cap {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 4px 16px;
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 12px; letter-spacing: .08em;
}
.feature-cap .where { font: 400 1.15rem/1.4 var(--serif); letter-spacing: .12em; color: var(--ink); }
.feature-cap .where em { margin-left: .45em; letter-spacing: .01em; color: var(--ink-2); }
.feature-cap .exif { margin-left: auto; font-variant-numeric: tabular-nums; }

.feature.is-tall {
  width: auto;
  display: grid;
  grid-template-columns: auto minmax(12rem, 22rem);
  justify-content: center; align-items: end;
  column-gap: clamp(28px, 5vw, 88px);
}
.feature.is-tall .tile { width: auto; height: min(84vh, 1000px); height: min(84svh, 1000px); aspect-ratio: var(--ar); }
.feature.is-tall .feature-cap { display: grid; gap: 10px; margin: 0 0 6px; }
.feature.is-tall .where { font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.3; }
.feature.is-tall .where em { display: block; margin: .2em 0 0; font-size: .6em; }
.feature.is-tall .exif { margin-left: 0; line-height: 1.7; }
@media (max-width: 760px) {
  .feature-cap .exif { margin-left: 0; flex-basis: 100%; }
  .feature.is-tall { grid-template-columns: 1fr; }
  .feature.is-tall .tile { width: 100%; height: auto; }
  .feature.is-tall .feature-cap { margin: 14px 0 0; }
}
/* 全景：贴边铺满整个屏幕宽度，完整呈现 */
.pano { margin: clamp(28px, 5vw, 88px) calc(-1 * var(--gutter)); }
.pano .tile { width: 100%; flex: none; }
.pano .tile-cap { display: none; }
.pano .feature-cap { padding: 0 var(--gutter); }
.gallery > .pano:first-child { margin-top: 0; }

/* 双联：两张竖幅并排等高，整体不超过一屏高 */
.pair {
  display: flex; gap: var(--gap); align-items: flex-start;
  width: min(100%, calc(84svh * var(--sum) + var(--gap)));
  margin: clamp(28px, 5vw, 88px) auto;
}
.pair figure { margin: 0; flex: var(--ar) 1 0; min-width: 0; }
.pair .tile { width: 100%; flex: none; }
.pair .tile-cap { display: none; }
.pair .feature-cap .exif { margin-left: 0; flex-basis: 100%; }

/* 偏置大图：横幅放大到约三分之二宽，另一侧留白写地点 */
.offset {
  display: grid; grid-template-columns: minmax(0, 2fr) minmax(12rem, 1fr);
  align-items: end; column-gap: clamp(24px, 4vw, 72px);
  margin: clamp(28px, 5vw, 88px) 0;
}
.offset .tile { width: min(100%, calc(80svh * var(--ar))); flex: none; }
.offset .tile-cap { display: none; }
.offset--r { grid-template-columns: minmax(12rem, 1fr) minmax(0, 2fr); }
.offset--r .tile { order: 2; justify-self: end; }
.offset--r .offset-cap { text-align: right; justify-items: end; }
.offset-cap { display: grid; gap: 10px; margin: 0 0 6px; }
.offset-cap .where { font-size: clamp(1.5rem, 2.4vw, 2.2rem); line-height: 1.3; }
.offset-cap .where em { display: block; margin: .2em 0 0; font-size: .6em; }
.offset-cap .exif { margin-left: 0; line-height: 1.7; }
@media (max-width: 760px) {
  .pair { flex-direction: column; width: 100%; }
  .pair figure { flex: none; width: 100%; }
  .offset, .offset--r { grid-template-columns: 1fr; }
  .offset .tile, .offset--r .tile { width: 100%; order: 0; }
  .offset-cap, .offset--r .offset-cap { margin: 14px 0 0; text-align: left; justify-items: start; }
}
.tile img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }

/* 模糊占位图：照片加载前先显示 */
.tile::before, .scard-media::before, .about-photo .frame::before {
  content: "";
  position: absolute; inset: -16px;
  background: var(--lqip) center / cover no-repeat;
  filter: blur(14px);
}
.tile.is-loaded::before, .scard-media.is-loaded::before, .about-photo .frame.is-loaded::before { display: none; }
.js .tile img { opacity: 0; transition: opacity 1s var(--ease), transform 1.4s var(--ease); }
.js .tile img.is-in { opacity: 1; }
.tile:hover img { transform: scale(1.025); }
.tile-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 36px 14px 12px;
  font: 400 15px/1.3 var(--serif);
  letter-spacing: .08em;
  background: linear-gradient(transparent, rgba(0, 0, 0, .6));
  opacity: 0; transform: translateY(6px);
  transition: opacity .4s, transform .5s var(--ease);
  pointer-events: none;
}
.tile-cap em { color: var(--ink-2); letter-spacing: .01em; }
.tile:hover .tile-cap, .tile:focus-visible .tile-cap { opacity: 1; transform: none; }
@media (hover: none) { .tile-cap { display: none; } }

/* 首页结尾 */
.outro {
  padding-left: var(--gutter); padding-right: var(--gutter);
  padding-bottom: clamp(40px, 6vw, 80px);
  max-width: calc(46rem + 2 * var(--gutter));
}
.outro-text {
  margin: 1.1em 0 .6em;
  font: 400 clamp(1.35rem, 2.4vw, 1.9rem)/1.75 var(--serif);
  letter-spacing: .08em;
}
.outro-en { margin: 0 0 2em; font: italic clamp(1.1rem, 1.6vw, 1.35rem)/1.55 var(--serif); color: var(--ink-2); }

/* ---------------------------------------------------------------- series page */

.shero {
  position: relative; display: grid; align-items: end;
  height: 92vh; height: 92svh; min-height: 560px;
  overflow: hidden; background: var(--bg-2);
}
.shero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.shero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(8, 9, 10, .9) 0%, rgba(8, 9, 10, .5) 30%, rgba(8, 9, 10, .1) 60%, rgba(8, 9, 10, 0) 75%),
    linear-gradient(to bottom, rgba(8, 9, 10, .55) 0%, rgba(8, 9, 10, 0) 22%);
}
.shero-text { position: relative; padding: 0 var(--gutter) clamp(56px, 9vh, 110px); max-width: 70rem; }
.shero-text .label { text-shadow: 0 1px 10px rgba(0, 0, 0, .5); }
.shero-title { margin: .25em 0 0; font: 700 clamp(3rem, 9vw, 7.5rem)/1.1 var(--serif); letter-spacing: .08em; text-shadow: 0 2px 30px rgba(0, 0, 0, .35); }
.shero-en { margin: .2em 0 0; font: italic 400 clamp(1.3rem, 2.6vw, 2.3rem)/1.2 var(--serif); color: rgba(236, 232, 225, .8); }
.shero-sub { margin: 1em 0 0; font-size: clamp(14px, 1.3vw, 17px); letter-spacing: .1em; color: rgba(236, 232, 225, .85); }
.shero-sub em { margin-left: .6em; font: italic 1.1em var(--serif); letter-spacing: .01em; color: rgba(236, 232, 225, .6); }
.shero-meta { display: flex; flex-wrap: wrap; gap: 6px 0; margin: 1.4em 0 0; font-size: 12px; letter-spacing: .16em; color: rgba(236, 232, 225, .65); }
.shero-meta span + span::before { content: "·"; margin: 0 .9em; opacity: .6; }
/* 竖幅封面：照片完整显示在右侧，文字在左 */
.shero--tall { height: auto; min-height: 100svh; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
.shero--tall .shero-img { position: relative; inset: auto; grid-column: 2; grid-row: 1; width: auto; height: 100svh; aspect-ratio: var(--ar); max-width: 60vw; object-fit: contain; }
.shero--tall .shero-shade { display: none; }
.shero--tall .shero-text { grid-column: 1; grid-row: 1; }
.shero--tall .scroll-cue { display: none; }
/* 全景封面：完整的长条，文字放在下方 */
.shero--pano { height: auto; min-height: 0; display: block; padding-top: var(--nav-h, 72px); background: var(--bg); }
.shero--pano .shero-img { position: relative; inset: auto; height: auto; aspect-ratio: var(--ar); object-fit: contain; }
.shero--pano .shero-shade, .shero--pano .scroll-cue { display: none; }
.shero--pano .shero-text { padding-top: clamp(28px, 5vw, 64px); padding-bottom: clamp(16px, 3vw, 32px); }
@media (max-width: 760px) {
  .shero--tall { grid-template-columns: 1fr; padding-top: var(--nav-h, 64px); }
  .shero--tall .shero-img { grid-column: 1; width: 100%; height: auto; max-width: none; }
  .shero--tall .shero-text { grid-row: 2; padding-top: 28px; }
}
.scroll-cue {
  position: absolute; right: var(--gutter); bottom: clamp(56px, 9vh, 110px);
  display: grid; place-items: center; width: 48px; height: 48px;
  border: 1px solid rgba(236, 232, 225, .4); border-radius: 50%;
  transition: background-color .3s, color .3s, border-color .3s;
}
.scroll-cue svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.scroll-cue:hover { background: var(--gold); border-color: var(--gold); color: #17140e; }
@media (max-width: 700px) { .scroll-cue { display: none; } }

.sdesc {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px clamp(32px, 6vw, 96px);
  padding: clamp(56px, 8vw, 120px) var(--gutter) clamp(32px, 4vw, 56px);
}
.sdesc p { margin: 0; }
.sdesc-zh { font: 400 clamp(1.15rem, 1.7vw, 1.45rem)/1.9 var(--serif); letter-spacing: .06em; color: var(--ink); }
.sdesc-en { font: italic 400 clamp(1.1rem, 1.5vw, 1.3rem)/1.6 var(--serif); color: var(--ink-3); }
@media (max-width: 860px) { .sdesc { grid-template-columns: 1fr; } }
.works-anchor { scroll-margin-top: calc(var(--nav-h) + 8px); }

/* 筛选条 */
.filters {
  position: sticky; top: 0; z-index: 20;
  margin: 0 0 clamp(18px, 2vw, 28px);
  padding: 12px var(--gutter);
  background: rgba(13, 14, 15, .86);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, top .5s var(--ease);
}
.filters.is-stuck { border-color: var(--line); }
body:has(.nav:not(.is-hidden)) .filters.is-stuck { top: calc(var(--nav-h) + env(safe-area-inset-top)); }
.filters-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-group + .chip-group { padding-left: 22px; border-left: 1px solid var(--line); }
.chip {
  display: inline-flex; align-items: baseline; gap: .45em;
  height: 34px; padding: 0 14px; align-items: center;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; letter-spacing: .1em; color: var(--ink-2);
  transition: color .25s, border-color .25s, background-color .25s;
}
.chip span { font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.chip:hover { color: var(--ink); border-color: rgba(236, 232, 225, .4); }
.chip.is-on { background: var(--gold); border-color: var(--gold); color: #17140e; font-weight: 600; }
.chip.is-on span { color: rgba(23, 20, 14, .7); }
.select select {
  height: 34px; padding: 0 34px 0 14px;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23aaa59c' stroke-width='1.5'/%3E%3C/svg%3E") right 10px center / 16px no-repeat;
  color: var(--ink-2); font: 13px var(--sans); letter-spacing: .08em;
  -webkit-appearance: none; appearance: none; cursor: pointer;
}
.select select:hover, .select select:focus { color: var(--ink); border-color: rgba(236, 232, 225, .4); }
.select option { background: var(--bg-2); color: var(--ink); }
.filters-count { margin: 0 0 0 auto; font-size: 12px; letter-spacing: .1em; color: var(--ink-3); }
@media (max-width: 760px) {
  .filters { position: relative; }
  .filters-inner { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 calc(-1 * var(--gutter)); padding: 0 var(--gutter); }
  .filters-inner::-webkit-scrollbar { display: none; }
  .chip-group { flex-wrap: nowrap; }
  .chip, .select select { flex: none; white-space: nowrap; }
  .filters-count { display: none; }
}
.empty { padding: 60px var(--gutter); text-align: center; color: var(--ink-3); }

/* 全部作品页 */
.page-head { padding: calc(var(--nav-h) + clamp(48px, 8vw, 120px)) var(--gutter) clamp(28px, 4vw, 48px); }
.page-title { margin: .25em 0 .2em; font: 700 clamp(3rem, 8vw, 6.5rem)/1.1 var(--serif); letter-spacing: .1em; }
.page-sub { max-width: 40em; margin: 0; color: var(--ink-2); }
.page-sub span { display: block; margin-top: .4em; font: italic 1.15rem/1.5 var(--serif); color: var(--ink-3); }
.load-more { margin: 0; padding: clamp(32px, 4vw, 56px) var(--gutter) 0; text-align: center; color: var(--ink-3); }

.pager {
  display: grid; grid-template-columns: 1fr 1fr;
  margin-top: clamp(80px, 10vw, 150px);
  border-top: 1px solid var(--line);
}
.pager a {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; gap: 4px;
  padding: clamp(36px, 5vw, 80px) var(--gutter);
  transition: background-color .4s;
}
.pager a::before {
  content: ""; position: absolute; inset: -20px; z-index: -1;
  background: var(--lqip) center / cover no-repeat; filter: blur(18px) brightness(.45);
  opacity: 0; transition: opacity .6s;
}
.pager a:hover::before { opacity: 1; }
.pager a + a { align-items: flex-end; text-align: right; border-left: 1px solid var(--line); }
.pager a:hover { background: var(--bg-2); }
.pager .label { margin-bottom: 10px; }
.pager .zh { font: 700 clamp(1.8rem, 4vw, 3rem)/1.2 var(--serif); letter-spacing: .1em; }
.pager .en { font: italic clamp(1rem, 1.6vw, 1.35rem) var(--serif); color: var(--ink-2); }

/* ---------------------------------------------------------------- about */

.about {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: start;
  gap: clamp(36px, 6vw, 110px);
  padding: calc(var(--nav-h) + clamp(32px, 6vw, 96px)) var(--gutter) 0;
}
.about-photo { margin: 0; position: sticky; top: calc(var(--nav-h) + 24px); }
.about-photo .frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--c, var(--bg-2));
}
.about-photo img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.about-photo figcaption { margin-top: 12px; font: 400 14px var(--serif); letter-spacing: .08em; color: var(--ink-3); }
.about-body { padding-top: clamp(0px, 4vw, 48px); }
.about-title { margin: .3em 0 .6em; font: 700 clamp(3.2rem, 8vw, 6.5rem)/1.05 var(--serif); letter-spacing: .1em; }
.about-title em { margin-left: .45em; font-size: .4em; letter-spacing: .01em; color: var(--ink-2); }
.about-body p { max-width: 34em; margin: 0 0 1.1em; color: var(--ink-2); font-size: 16px; }
.about-body .lead { font: 400 clamp(1.3rem, 2vw, 1.65rem)/1.75 var(--serif); letter-spacing: .08em; color: var(--ink); }
.about-body .en-p { font: italic 1.25rem/1.55 var(--serif); color: var(--ink-3); }
.facts {
  margin: clamp(40px, 5vw, 64px) 0 clamp(40px, 6vw, 96px);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  column-gap: 32px;
  border-top: 1px solid var(--line);
}
.facts > div { padding: 18px 0 20px; border-bottom: 1px solid var(--line); }
.facts dt { font: 500 11px/1.5 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); }
.facts dd { margin: 8px 0 0; font: 400 1.2rem/1.5 var(--serif); letter-spacing: .04em; }
.facts dd a { border-bottom: 1px solid var(--line); transition: border-color .3s; }
.facts dd a:hover { border-color: var(--accent); }
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
  .about-photo { position: static; }
}

/* ---------------------------------------------------------------- 404 */

.lost { position: relative; height: 100vh; height: 100svh; min-height: 520px; overflow: hidden; display: grid; align-items: end; }
.lost-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lost-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(8, 9, 10, .85), rgba(8, 9, 10, .1) 60%),
    linear-gradient(to bottom, rgba(8, 9, 10, .55), rgba(8, 9, 10, 0) 22%);
}
.lost-text { position: relative; padding: 0 var(--gutter) clamp(56px, 10vh, 110px); }
.lost-title { margin: .3em 0 .25em; font: 700 clamp(2.8rem, 7vw, 6rem)/1.15 var(--serif); letter-spacing: .1em; }
.lost-en { margin: 0 0 2em; font: italic clamp(1.1rem, 1.8vw, 1.5rem) var(--serif); color: var(--ink-2); }
.page-notfound .foot { display: none; }

/* ---------------------------------------------------------------- footer */

.foot {
  margin-top: clamp(96px, 12vw, 176px);
  padding: clamp(40px, 5vw, 64px) var(--gutter) calc(32px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr auto; gap: 28px 48px;
  color: var(--ink-3);
}
.page-series .foot { margin-top: 0; }
.foot-top { display: grid; gap: 14px; }
.foot .brand { color: var(--ink); }
.foot-tag { margin: 0; font: 400 15px/1.7 var(--serif); letter-spacing: .1em; color: var(--ink-2); }
.foot-tag em { letter-spacing: .01em; color: var(--ink-3); }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 24px; align-content: start; justify-content: flex-end; font-family: var(--serif); font-size: 15px; letter-spacing: .14em; }
.foot-links a { color: var(--ink-2); transition: color .3s; }
.foot-links a:hover { color: var(--ink); }
.foot-copy { grid-column: 1 / -1; margin: 0; font-size: 12px; letter-spacing: .06em; }
@media (max-width: 700px) {
  .foot { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
}

/* ---------------------------------------------------------------- lightbox */

.lb {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0;
  background: #08090a;
  color: var(--ink);
  overflow: hidden;
}
.lb::backdrop { background: #08090a; }
.lb[open] { display: grid; grid-template-rows: minmax(0, 1fr) auto; animation: lb-in .35s var(--ease); }
@keyframes lb-in { from { opacity: 0; } }
.lb-stage {
  position: relative;
  display: grid; place-items: center;
  min-height: 0;
  padding: calc(64px + env(safe-area-inset-top)) clamp(12px, 6vw, 96px) 8px;
  touch-action: pinch-zoom;
}
.lb-img {
  background: var(--c, var(--bg-2)) var(--ph) center / 100% 100% no-repeat;
  user-select: none; -webkit-user-select: none; -webkit-user-drag: none;
  cursor: default;
}
.lb-img img, .lb-img { transition: opacity .35s; }
.lb-img.is-loading { opacity: .92; }
.lb-bar {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: baseline;
  gap: 6px 32px;
  padding: 14px clamp(16px, 6vw, 96px) calc(20px + env(safe-area-inset-bottom));
  font-size: 12px; color: var(--ink-3);
  transition: opacity .3s;
}
.lb-bar p { margin: 0; }
.lb-where { font: 400 1.1rem/1.4 var(--serif); letter-spacing: .1em; color: var(--ink); }
.lb-where em { margin-left: .4em; letter-spacing: .01em; color: var(--ink-2); }
.lb-where .date { margin-left: .9em; font: 400 12px var(--sans); letter-spacing: .1em; color: var(--ink-3); }
.lb-where .lb-series { margin-left: .9em; font: 600 11px var(--sans); letter-spacing: .2em; color: var(--gold); text-transform: uppercase; border-bottom: 1px solid rgba(214, 178, 110, .4); }
.lb-where .lb-series:hover { color: var(--ink); border-color: var(--ink); }
.lb-exif { letter-spacing: .05em; font-variant-numeric: tabular-nums; }
.lb-count { font: italic 1.05rem var(--serif); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.lb-btn {
  position: absolute; z-index: 2;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  color: var(--ink-2);
  transition: color .2s, opacity .3s;
}
.lb-btn:hover { color: var(--ink); }
.lb-btn svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.2; }
.lb-close { top: calc(8px + env(safe-area-inset-top)); right: clamp(4px, 2vw, 24px); }
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); }
.lb-prev { left: clamp(4px, 1.6vw, 28px); }
.lb-next { right: clamp(4px, 1.6vw, 28px); }
.lb.is-clean .lb-bar, .lb.is-clean .lb-btn { opacity: 0; pointer-events: none; }
@media (max-width: 700px) {
  .lb-prev, .lb-next { display: none; }
  .lb-stage { padding-left: 0; padding-right: 0; }
  .lb-bar { grid-template-columns: minmax(0, 1fr) auto; }
  .lb-exif { grid-column: 1 / -1; grid-row: 2; }
}

/* ---------------------------------------------------------------- motion */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .hero-img { transform: none; }
  .hero-dot.is-active::after { background-size: 100% 100%; }
}
.scard.has-video .scard-media::before { display: none; }