/* ============================================================
   components.css — 索引台 / 画廊 / 瀑布 / 阅读器 / 影院 / 案例 / 灯箱
   ============================================================ */

/* ---------------------------------------------- 通用媒体卡 */

.mediaframe {
  position: relative;
  overflow: hidden;
  background: var(--paper-2) center / cover no-repeat;
  background-image: var(--lqip);
  contain: layout paint style;
}

.mediaframe::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper-2);
  opacity: 0;
  pointer-events: none;
}

.mediaframe img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity .7s var(--e-soft), transform 1.1s var(--e-out);
}

.mediaframe img.is-ready { opacity: 1; transform: scale(1); }

/* ---------------------------------------------- 作品卡 */

.tile {
  position: relative;
  display: block;
  width: 100%;
  cursor: none;
  background: var(--panel);
  outline: 1px solid var(--line);
  outline-offset: -1px;
  transition: transform .6s var(--e-out);
  will-change: transform;
}

.tile:hover { transform: translate3d(0, -5px, 0); }

.tile .mediaframe img { transition: opacity .7s var(--e-soft), transform 1.2s var(--e-out); }
.tile:hover .mediaframe img.is-ready { transform: scale(1.045); }

.tile__meta {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 13px;
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: linear-gradient(0deg, rgba(0,0,0,.62), rgba(0,0,0,.14) 60%, transparent);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity .45s var(--e-soft), transform .45s var(--e-out);
  pointer-events: none;
}

.tile:hover .tile__meta { opacity: 1; transform: none; }
.tile__meta b { font-weight: 800; color: var(--signal); }

/* ---------------------------------------------- 01 索引台 */

.section--index { padding-top: clamp(80px, 12vh, 160px); }

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

.indexrow {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 130px 120px 46px;
  align-items: center;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  cursor: none;
  isolation: isolate;
}

.indexrow::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--gutter) * -1);
  background: var(--ink);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .55s var(--e-out);
  z-index: -1;
}

.indexrow:hover::before { transform: scaleY(1); }
.indexrow:hover { color: var(--paper); }
.indexrow:hover .indexrow__no { color: var(--signal); }
.indexrow:hover .indexrow__sub,
.indexrow:hover .indexrow__cell { color: color-mix(in srgb, var(--paper) 62%, transparent); }

.indexrow__no {
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  transition: color .35s;
}

.indexrow__name {
  font-weight: 900;
  font-size: clamp(24px, 4.1vw, 62px);
  letter-spacing: -0.05em;
  line-height: .94;
  transition: transform .55s var(--e-out);
}

.indexrow:hover .indexrow__name { transform: translateX(clamp(6px, 1vw, 18px)); }

.indexrow__sub {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--muted);
  transition: color .35s, transform .55s var(--e-out);
}

.indexrow:hover .indexrow__sub { transform: translateX(clamp(6px, 1vw, 18px)); }

.indexrow__cell {
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .35s;
}

.indexrow__go {
  justify-self: end;
  font-size: 17px;
  transform: translateX(-6px);
  opacity: .35;
  transition: transform .5s var(--e-out), opacity .4s;
}

.indexrow:hover .indexrow__go { transform: none; opacity: 1; }

/* 悬浮预览 */
.indexpeek {
  position: fixed;
  top: 0; left: 0;
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(3, 128px);
  gap: 8px;
  padding: 0;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(var(--x, 0), var(--y, 0), 0) scale(.92);
  transition: opacity .4s var(--e-soft), scale .5s var(--e-out);
  will-change: transform, opacity;
}

.indexpeek.is-on { opacity: 1; scale: 1; }

.indexpeek img {
  width: 128px;
  height: 160px;
  object-fit: cover;
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.indexpeek img:nth-child(2) { transform: translateY(14px); }
.indexpeek img:nth-child(3) { transform: translateY(-8px); }

@media (max-width: 900px) {
  .indexpeek { display: none; }
  .indexrow { grid-template-columns: 40px minmax(0,1fr) 34px; }
  .indexrow__cell { display: none; }
}

/* ---------------------------------------------- 02 横向画廊 */

.band { position: relative; }

.band__sticky {
  position: sticky;
  top: var(--chrome-h);
  height: calc(100svh - var(--chrome-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}

.band__track {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.5vw, 26px);
  padding-left: var(--page-left);
  padding-right: var(--page-right);
  transform: translate3d(var(--x, 0px), 0, 0);
  will-change: transform;
}

.bandcard {
  position: relative;
  flex: none;
  height: var(--h, 56vh);
  cursor: none;
  transform: translate3d(0, var(--offset, 0px), 0);
}

.bandcard .mediaframe {
  width: auto;
  height: 100%;
  outline: 1px solid var(--line);
  outline-offset: -1px;
}

.bandcard .mediaframe img { transition: opacity .7s var(--e-soft), transform 1.4s var(--e-out); }
.bandcard:hover .mediaframe img.is-ready { transform: scale(1.05); }

.bandcard__no {
  position: absolute;
  top: -22px;
  left: 0;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--muted);
}

.bandcard:hover .bandcard__no { color: var(--signal); }

/* 移动端退化为原生横滚 */
@media (max-width: 860px), (pointer: coarse) {
  .band__sticky {
    position: static;
    height: auto;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-left: var(--page-left);
    scroll-padding-right: var(--page-right);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .band__sticky::-webkit-scrollbar { display: none; }
  .band__track {
    align-items: flex-start;
    padding-block: 24px 8px;
    transform: none !important;
  }
  .bandcard {
    width: min(86vw, var(--mobile-w-by-h, 68svh));
    height: auto;
    scroll-snap-align: start;
    transform: none !important;
  }
  .bandcard .mediaframe {
    width: 100%;
    height: auto;
  }
}

.switchbtn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: .03em;
  overflow: hidden;
  position: relative;
  transition: color .35s var(--e-soft);
}

.switchbtn span { position: relative; z-index: 1; }
.switchbtn b { color: var(--signal); transition: color .35s; }

.switchbtn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--e-out);
}

.switchbtn:hover { color: var(--paper); }
.switchbtn:hover::before { transform: scaleX(1); }
.switchbtn:hover b { color: var(--signal); }
.switchbtn.is-on { background: var(--ink); color: var(--paper); }

/* ---------------------------------------------- 03 非对称瀑布带 */

.bands { display: grid; gap: clamp(14px, 1.6vw, 26px); }

.masonry {
  column-gap: var(--gap);
  column-fill: balance;
}

.masonry--2 { column-count: 2; }
.masonry--3 { column-count: 3; }
.masonry--4 { column-count: 4; }

.masonry .tile {
  break-inside: avoid;
  margin-bottom: var(--gap);
}

@media (max-width: 1200px) {
  .masonry--4 { column-count: 3; }
}

@media (max-width: 900px) {
  .masonry--3, .masonry--4 { column-count: 2; }
}

@media (max-width: 560px) {
  .masonry--2, .masonry--3, .masonry--4 { column-count: 1; }
}

/* ---------------------------------------------- 04 长图阅读器 */

.reader {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 56px);
  align-items: start;
}

.reader__rail {
  position: sticky;
  top: calc(var(--chrome-h) + 26px);
  max-height: calc(100svh - var(--chrome-h) - 60px);
  overflow: hidden;
}

.reader__railInner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  transition: transform .6s var(--e-out);
}

.railitem {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--paper-2);
  border: 0;
  padding: 0;
  font: inherit;
  text-align: left;
  outline: 1px solid var(--line);
  outline-offset: -1px;
  opacity: .38;
  filter: grayscale(1);
  transition: opacity .45s var(--e-soft), filter .45s var(--e-soft), transform .5s var(--e-out), outline-color .35s;
  cursor: none;
}

.railitem img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

.railitem:hover { opacity: .85; filter: none; transform: translateX(4px); }

.railitem.is-active {
  opacity: 1;
  filter: none;
  outline-color: var(--signal);
  outline-width: 2px;
}

.railitem__no {
  position: absolute;
  top: 4px; left: 5px;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 9px;
  letter-spacing: .1em;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,.7);
}

.reader__body { display: grid; gap: clamp(34px, 6vw, 90px); }

.page {
  position: relative;
  scroll-margin-top: calc(var(--chrome-h) + 26px);
}

.page__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page__head b { color: var(--signal); font-weight: 700; }

.page__stack {
  display: block;
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  background: var(--panel);
  outline: 1px solid var(--line);
  outline-offset: -1px;
  cursor: none;
}

.page__seg {
  position: relative;
  width: 100%;
  background: var(--paper-2) center / cover no-repeat;
  overflow: hidden;
}

.page__seg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .6s var(--e-soft);
}

.page__seg img.is-ready { opacity: 1; }

@media (max-width: 860px) {
  .reader { grid-template-columns: 1fr; }
  .reader__rail {
    z-index: 6;
    top: var(--chrome-h);
    max-height: none;
    margin-left: calc(0px - var(--page-left));
    margin-right: calc(0px - var(--page-right));
    padding: 10px var(--page-right) 12px var(--page-left);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    overscroll-behavior-inline: contain;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    border-block: 1px solid var(--line);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .reader__rail::-webkit-scrollbar { display: none; }
  .reader__railInner {
    display: flex;
    width: max-content;
    transform: none !important;
  }
  .railitem {
    flex: 0 0 72px;
    width: 72px;
    scroll-snap-align: start;
  }
}

/* ---------------------------------------------- 05 影院 */

.theater {
  position: relative;
  width: 100%;
  padding-left: var(--page-left);
  padding-right: var(--page-right);
}

.filmbox {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #08080A;
  outline: 1px solid var(--line);
  outline-offset: -1px;
}

.filmbox video,
.filmbox img.filmposter {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.filmbox img.filmposter {
  z-index: 1;
  transition: opacity .6s var(--e-soft), transform 1.4s var(--e-out);
}

.filmbox.is-playing img.filmposter { opacity: 0; transform: scale(1.04); }

.filmbox video { z-index: 0; }

.filmplay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  cursor: none;
  background: linear-gradient(0deg, rgba(0,0,0,.4), rgba(0,0,0,.05));
  transition: opacity .5s var(--e-soft);
}

.filmbox.is-playing .filmplay { opacity: 0; pointer-events: none; }

.filmplay__ring {
  width: clamp(72px, 8vw, 116px);
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 10px;
  letter-spacing: .2em;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  transition: background-color .4s, border-color .4s, transform .6s var(--e-out);
}

.filmplay:hover .filmplay__ring {
  background: var(--signal);
  border-color: var(--signal);
  transform: scale(1.08);
}

.filmmeta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------------------------------------------- 06 案例 */

.cases { display: grid; gap: 0; border-top: 1px solid var(--line); }

.case {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.case__head {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) minmax(0, .9fr) 40px;
  gap: 20px;
  align-items: center;
  width: 100%;
  padding: clamp(20px, 2.6vw, 34px) 0;
  text-align: left;
  cursor: none;
}

.case__no {
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--signal);
}

.case__title {
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 38px);
  letter-spacing: -0.045em;
  line-height: 1.02;
  transition: transform .5s var(--e-out);
}

.case__head:hover .case__title { transform: translateX(10px); }

.case__title em {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--muted);
}

.case__hint {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.case__sign {
  justify-self: end;
  position: relative;
  width: 22px; height: 22px;
}

.case__sign::before,
.case__sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1.5px;
  background: var(--ink);
  transition: transform .45s var(--e-out);
}

.case__sign::after { transform: rotate(90deg); }
.case.is-open .case__sign::after { transform: rotate(0deg); }
.case.is-open .case__sign::before { background: var(--signal); }
.case.is-open .case__sign::after { background: var(--signal); }

.case__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .65s var(--e-out);
}

.case.is-open .case__panel { grid-template-rows: 1fr; }

.case__inner { overflow: hidden; }

.case__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(20px, 3.4vw, 54px);
  padding-bottom: clamp(28px, 4vw, 52px);
}

.case__facts { display: grid; gap: 20px; align-content: start; }

.case__fact h4 {
  margin: 0 0 6px;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
  font-weight: 700;
}

.case__fact p { font-size: 13.5px; line-height: 1.75; color: var(--ink-70); }

.case__shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  align-content: start;
}

.case__shots .tile:first-child { grid-column: span 3; }

@media (max-width: 900px) {
  .case__head { grid-template-columns: 42px minmax(0,1fr) 30px; }
  .case__hint { display: none; }
  .case__grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------- 07 关于 */

.about {
  display: grid;
  gap: clamp(28px, 4.6vw, 64px);
}

.about__lead {
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 104px);
  letter-spacing: -0.06em;
  line-height: .92;
  max-width: 20ch;
}

.about__lead em { color: var(--signal); }

.about__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(20px, 3vw, 52px);
  max-width: 1300px;
}

.about__body p { font-size: 15px; line-height: 1.85; color: var(--ink-70); }
.about__body p[lang="en"] { font-size: 14px; color: var(--muted); }
.about__body b { font-weight: 800; color: var(--ink); }

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.skill {
  position: relative;
  background: var(--paper);
  padding: 20px 18px 18px;
  overflow: hidden;
  transition: background-color .4s var(--e-soft), color .4s var(--e-soft);
}

.skill::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 100%;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform .55s var(--e-out);
}

.skill:hover::before { transform: translateY(0); }
.skill:hover { color: var(--paper); }
.skill > * { position: relative; z-index: 1; }

.skill__no {
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--signal);
}

.skill__name {
  margin-top: 12px;
  font-size: clamp(16px, 1.5vw, 21px);
  font-weight: 850;
  letter-spacing: -0.03em;
}

.skill__en {
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .4s;
}

.skill:hover .skill__en { color: color-mix(in srgb, var(--paper) 60%, transparent); }

.skill__desc {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-70);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .55s var(--e-out), opacity .4s var(--e-soft), color .4s;
}

.skill:hover .skill__desc {
  max-height: 120px;
  opacity: 1;
  color: color-mix(in srgb, var(--paper) 78%, transparent);
}

@media (max-width: 720px) {
  .about__body,
  .skills {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .about__body { gap: clamp(18px, 3vw, 28px); }
  .about__lead { max-width: 100%; }
}

@media (max-width: 720px), (pointer: coarse), (hover: none) {
  .skill::before { display: none; }
  .skill:hover { color: var(--ink); }
  .skill__en,
  .skill:hover .skill__en { color: var(--muted); }
  .skill__desc,
  .skill:hover .skill__desc {
    max-height: none;
    opacity: 1;
    color: var(--ink-70);
  }
}

/* ---------------------------------------------- 08 联系 */

.bigmail {
  display: block;
  margin-block: clamp(20px, 4vw, 56px);
  font-weight: 900;
  font-size: clamp(30px, 9.4vw, 168px);
  letter-spacing: -0.065em;
  line-height: .9;
  white-space: nowrap;
  cursor: none;
}

.bigmail span[data-split] { display: inline-block; }

.bigmail .ch {
  display: inline-block;
  transition: transform .5s var(--e-out), color .4s var(--e-soft);
  will-change: transform;
}

.bigmail:hover .ch { color: var(--signal); }

.contactgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(18px, 3vw, 48px);
  padding-top: clamp(20px, 3vw, 40px);
  border-top: 1px solid var(--line);
}

.contactgrid span {
  display: block;
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 8px;
}

.contactgrid p { font-size: 13.5px; line-height: 1.7; color: var(--ink-70); }

/* ---------------------------------------------- 回索引胶囊 */

.jumper {
  position: fixed;
  right: max(clamp(16px, 2.4vw, 34px), calc(var(--safe-right) + 12px));
  bottom: max(clamp(16px, 2.4vw, 34px), calc(var(--safe-bottom) + 12px));
  z-index: 80;
  display: grid;
  place-items: center;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(.86);
  pointer-events: none;
  transition: opacity .45s var(--e-soft), transform .55s var(--e-out), background-color .3s;
  cursor: none;
}

.jumper.is-on { opacity: 1; transform: none; pointer-events: auto; }
.jumper:hover { background: var(--signal); color: #fff; }

@media (pointer: coarse) { .jumper { width: 52px; height: 52px; } }

/* ---------------------------------------------- 灯箱 */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  grid-template-rows: 1fr auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity .45s var(--e-soft), visibility 0s linear .45s;
}

.lightbox.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity .45s var(--e-soft), visibility 0s;
}

.lightbox__bg {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--paper) 93%, transparent);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  cursor: none;
}

.lightbox__figure {
  position: relative;
  display: grid;
  place-items: center;
  padding-top: max(clamp(46px, 6vw, 76px), calc(var(--safe-top) + 18px));
  padding-right: max(clamp(18px, 5vw, 90px), var(--safe-right));
  padding-bottom: 10px;
  padding-left: max(clamp(18px, 5vw, 90px), var(--safe-left));
  min-height: 0;
  pointer-events: none;
}

.lightbox__figure img {
  max-width: 100%;
  max-height: calc(100svh - 150px);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: scale(.97);
  transition: opacity .45s var(--e-soft), transform .7s var(--e-out);
}

.lightbox.is-ready .lightbox__figure img { opacity: 1; transform: none; }

.lightbox__bar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 16px;
  padding-right: max(clamp(18px, 5vw, 90px), var(--safe-right));
  padding-bottom: max(clamp(20px, 3vw, 34px), var(--safe-bottom));
  padding-left: max(clamp(18px, 5vw, 90px), var(--safe-left));
  font-family: "SFMono-Regular", ui-monospace, Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.lightbox__nav { display: flex; gap: 8px; }

.lightbox__nav button {
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .3s, background-color .3s, color .3s, transform .4s var(--e-out);
  cursor: none;
}

.lightbox__nav button:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}

/* ---------------------------------------------- 自定义光标 */

.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity .3s;
}

.cursor.is-on { opacity: 1; }

.cursor__dot,
.cursor__ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 999px;
  will-change: transform;
}

.cursor__dot {
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  background: #fff;
  transform: translate3d(var(--dx, 0), var(--dy, 0), 0);
}

.cursor__ring {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  margin: -19px 0 0 -19px;
  border: 1px solid rgba(255,255,255,.75);
  transform: translate3d(var(--rx, 0), var(--ry, 0), 0) scale(var(--s, 1));
  transition: width .35s var(--e-out), height .35s var(--e-out),
              margin .35s var(--e-out), background-color .35s var(--e-soft),
              border-color .35s;
}

.cursor.is-hover .cursor__ring {
  width: 84px; height: 84px;
  margin: -42px 0 0 -42px;
  background: rgba(255,255,255,.96);
  border-color: transparent;
}

.cursor__label {
  color: #000;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transform: scale(.7);
  transition: opacity .3s, transform .4s var(--e-out);
}

.cursor.is-hover .cursor__label { opacity: 1; transform: none; }

@media (max-width: 860px), (pointer: coarse), (hover: none) {
  .cursor { display: none; }
  .tile, .indexrow, .bandcard, .case__head, .bigmail,
  .jumper, .railitem, .page__stack, .filmplay,
  .lightbox__bg, .lightbox__nav button { cursor: pointer; }
}

@media (max-width: 860px), (pointer: coarse), (hover: none) {
  .tile:hover { transform: none; }
  .tile:hover .mediaframe img.is-ready { transform: scale(1); }
  .tile__meta {
    opacity: 1;
    transform: none;
  }
}