:root {
  --world-bg: #090b09;
  --world-panel: #101310;
  --world-ink: #f3f4ee;
  --world-muted: #858b83;
  --world-line: rgba(243, 244, 238, .16);
  --world-green: #54e66e;
  --world-paper: #e9ebe4;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--world-bg); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--world-bg); color: var(--world-ink); font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: -80px; padding: 12px 16px; background: var(--world-green); color: #091009; }
.skip-link:focus { top: 12px; }

.aku-world-main,
.aku-module-main { width: min(1500px, calc(100% - clamp(24px, 5vw, 80px))); margin: 0 auto; padding: 106px 0 30px; }

.aku-world-hero { min-height: min(760px, 76svh); padding: clamp(22px, 3vw, 44px) 0 clamp(48px, 7vw, 96px); border-bottom: 1px solid var(--world-line); }
.aku-world-hero__meta { display: flex; justify-content: space-between; gap: 20px; color: var(--world-muted); font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.aku-world-hero__meta span:last-child { color: var(--world-green); }
.aku-world-hero h1 { margin: clamp(70px, 13vh, 150px) 0 0; font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: clamp(100px, 20vw, 340px); line-height: .68; letter-spacing: -.045em; }
.aku-world-hero h1 span { display: block; }
.aku-world-hero h1 span:last-child { margin-left: clamp(38px, 13vw, 220px); color: transparent; -webkit-text-stroke: 1px var(--world-ink); }
.aku-world-hero__statement { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; width: min(840px, 72%); margin: clamp(60px, 9vw, 120px) 0 0 auto; }
.aku-world-hero__statement p { margin: 0; font-size: clamp(17px, 1.5vw, 25px); line-height: 1.75; letter-spacing: .08em; }
.aku-world-hero__statement p:last-child { color: var(--world-muted); }

.aku-world-index { display: block; padding-top: 20px; }
.aku-world-entry { display: grid; grid-template-columns: 70px minmax(280px, 1.4fr) minmax(250px, .8fr) 48px; min-height: 150px; align-items: center; gap: 20px; border-bottom: 1px solid var(--world-line); text-decoration: none; transition: color 240ms ease, background-color 240ms ease; }
.aku-world-entry__number { align-self: start; padding-top: 28px; color: var(--world-muted); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.aku-world-entry__title { font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: clamp(38px, 5.2vw, 88px); line-height: .9; letter-spacing: -.025em; }
.aku-world-entry__role { display: grid; gap: 9px; }
.aku-world-entry__role b { color: var(--world-green); font-size: 10px; letter-spacing: .15em; }
.aku-world-entry__role em { color: var(--world-muted); font-size: 14px; font-style: normal; line-height: 1.65; letter-spacing: .05em; }
.aku-world-entry__arrow { font-size: 26px; transition: transform 240ms ease; }
.aku-world-entry:hover,
.aku-world-entry:focus-visible { background: var(--world-ink); color: #0c0f0c; outline: none; }
.aku-world-entry:hover .aku-world-entry__number,
.aku-world-entry:hover .aku-world-entry__role em,
.aku-world-entry:focus-visible .aku-world-entry__number,
.aku-world-entry:focus-visible .aku-world-entry__role em { color: #4f554f; }
.aku-world-entry:hover .aku-world-entry__arrow,
.aku-world-entry:focus-visible .aku-world-entry__arrow { transform: translate(5px, -5px); }
.aku-world-entry.is-future { color: #565b56; }
.aku-world-entry.is-future .aku-world-entry__role b { color: #565b56; }
.aku-world-entry__status { justify-self: end; color: var(--world-muted); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.aku-world-footer { display: flex; justify-content: space-between; padding: 28px 0 8px; color: var(--world-muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }

.aku-module-breadcrumb { display: flex; gap: 10px; margin-bottom: 44px; color: var(--world-muted); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.aku-module-breadcrumb a { text-decoration: none; }
.aku-module-breadcrumb a:hover,
.aku-module-breadcrumb a:focus-visible { color: var(--world-green); }
.aku-module-heading { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 0 0 clamp(46px, 6vw, 86px); border-bottom: 1px solid var(--world-line); }
.aku-module-heading > span { color: var(--world-green); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.aku-module-heading p { margin: 0 0 16px; color: var(--world-muted); font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.aku-module-heading h1 { margin: 0; font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: clamp(66px, 12vw, 190px); line-height: .78; letter-spacing: -.035em; }
.aku-module-heading .aku-module-heading__intro { width: min(600px, 80%); margin: 34px 0 0 auto; color: var(--world-ink); font-size: clamp(15px, 1.35vw, 21px); font-weight: 400; line-height: 1.8; letter-spacing: .08em; }

.aku-daily-focus { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); min-height: 72svh; border-bottom: 1px solid var(--world-line); }
.aku-daily-focus__image { position: relative; display: grid; min-height: 700px; place-items: center; background: #111511; }
.aku-daily-focus__image img { display: block; width: 100%; height: 100%; max-height: 840px; object-fit: contain; }
.aku-daily-focus__image span { position: absolute; color: var(--world-muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }
.aku-daily-focus__image img:not([src]) { display: none; }
.aku-daily-focus__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 5vw, 84px); border-left: 1px solid var(--world-line); }
.aku-daily-focus__copy > p:first-child { color: var(--world-green); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.aku-daily-focus__copy h2 { margin: 28px 0 22px; font-size: clamp(42px, 6vw, 86px); line-height: 1.15; letter-spacing: .08em; }
.aku-daily-focus__copy > p:nth-of-type(2) { min-height: 4em; margin: 0; color: var(--world-muted); font-size: 16px; line-height: 2; letter-spacing: .08em; }
.aku-daily-focus__copy > div { display: flex; justify-content: space-between; gap: 18px; margin-top: 80px; padding-top: 16px; border-top: 1px solid var(--world-line); color: var(--world-muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }

.aku-calendar-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-left: 1px solid var(--world-line); }
.aku-calendar-card { margin: 0; padding: clamp(18px, 2vw, 30px); border-right: 1px solid var(--world-line); border-bottom: 1px solid var(--world-line); }
.aku-calendar-card__image { display: grid; overflow: hidden; aspect-ratio: 2 / 3; place-items: center; background: #131713; }
.aku-calendar-card img { display: block; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 240ms ease; }
.aku-calendar-card img.is-loaded { opacity: 1; }
.aku-calendar-card figcaption { display: flex; justify-content: space-between; padding-top: 18px; font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.aku-calendar-card figcaption span:last-child { color: var(--world-muted); }

.aku-pin-field { position: relative; min-height: 1900px; overflow: hidden; border-bottom: 1px solid var(--world-line); background-image: linear-gradient(var(--world-line) 1px, transparent 1px), linear-gradient(90deg, var(--world-line) 1px, transparent 1px); background-size: 12.5% 180px; }
.aku-pin-item { position: absolute; left: var(--pin-x); top: var(--pin-y); width: clamp(120px, var(--pin-size), 250px); margin: 0; transform: rotate(var(--pin-r)); }
.aku-pin-item img { display: block; width: 100%; height: auto; filter: drop-shadow(0 16px 24px rgba(0,0,0,.28)); opacity: 0; transition: opacity 220ms ease, transform 220ms ease; }
.aku-pin-item img.is-loaded { opacity: 1; }
.aku-pin-item:hover img { transform: translateY(-6px); }
.aku-pin-item figcaption,
.aku-pin-caption { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; color: var(--world-muted); font-size: 8px; font-weight: 700; letter-spacing: .12em; }
.aku-pin-caption span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pin-mobile-title,
.aku-pocket-featured,
.aku-pin-sheet,
.aku-pin-sentinel { display: none; }

/* PIN Archive desktop: retain the orange exhibition wall and floating objects. */
.aku-pins-page {
  --pin-orange: #f2552c;
  --pin-ink: #14130f;
  --pin-paper: #f5f0e6;
  --world-bg: var(--pin-orange);
  --world-ink: var(--pin-ink);
  --world-muted: rgba(20, 19, 15, .58);
  --world-line: rgba(20, 19, 15, .22);
  background: var(--pin-orange);
  color: var(--pin-ink);
  color-scheme: light;
}

.aku-pins-page .aku-module-main { width: min(1600px, calc(100% - clamp(24px, 4vw, 72px))); }
.aku-pins-page .aku-module-heading { padding-top: clamp(30px, 5vw, 72px); }
.aku-pins-page .aku-module-heading h1 { font-size: clamp(84px, 13.4vw, 220px); }
.aku-pins-page .aku-module-heading .aku-module-heading__intro { color: var(--pin-ink); }

.aku-archive-categories {
  position: sticky;
  z-index: 5;
  top: 82px;
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
  min-height: 62px;
  padding: 0 18px;
  border-bottom: 1px solid var(--world-line);
  background: rgba(242, 85, 44, .92);
  backdrop-filter: blur(12px);
}

.aku-archive-categories a,
.aku-archive-categories span {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: rgba(20, 19, 15, .52);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-decoration: none;
  white-space: nowrap;
}

.aku-archive-categories a:hover,
.aku-archive-categories a:focus-visible,
.aku-archive-categories a[aria-current="page"] { color: var(--pin-ink); outline: none; }
.aku-archive-categories a[aria-current="page"]::after { width: 5px; height: 5px; margin-left: 7px; border-radius: 50%; background: var(--pin-ink); content: ""; }
.aku-archive-categories span[aria-disabled="true"] { opacity: .45; }

.aku-pins-page .aku-pin-field {
  min-height: 1960px;
  border: 0;
  background-color: var(--pin-orange);
  background-image: linear-gradient(rgba(20,19,15,.11) 1px, transparent 1px), linear-gradient(90deg, rgba(20,19,15,.11) 1px, transparent 1px);
}

.aku-pins-page .aku-pin-item {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--pin-ink);
  text-align: left;
  cursor: pointer;
  transition: transform 220ms cubic-bezier(.2,.7,.2,1), filter 220ms ease;
  touch-action: manipulation;
}

.aku-pins-page .aku-pin-item img { filter: drop-shadow(0 14px 18px rgba(82, 22, 7, .22)); }
.aku-pins-page .aku-pin-item:hover,
.aku-pins-page .aku-pin-item:focus-visible { z-index: 3; outline: none; transform: rotate(var(--pin-r)) scale(1.05); filter: drop-shadow(0 22px 24px rgba(82, 22, 7, .28)); }
.aku-pins-page .aku-pin-item:hover img { transform: none; }
.aku-pins-page .aku-pin-item figcaption,
.aku-pins-page .aku-pin-caption { color: rgba(20,19,15,.62); }

@media (max-width: 860px) {
  .aku-world-main, .aku-module-main { width: calc(100% - 24px); padding-top: 86px; }
  .aku-world-hero { min-height: 640px; }
  .aku-world-hero h1 { margin-top: 110px; font-size: clamp(82px, 30vw, 150px); }
  .aku-world-hero h1 span:last-child { margin-left: 0; }
  .aku-world-hero__statement { grid-template-columns: 1fr; width: 100%; margin-top: 82px; }
  .aku-world-entry { grid-template-columns: 42px 1fr 36px; min-height: 150px; }
  .aku-world-entry__role { grid-column: 2 / 3; padding-bottom: 24px; }
  .aku-world-entry__arrow, .aku-world-entry__status { grid-column: 3; grid-row: 1 / 3; }
  .aku-world-entry__title { padding-top: 24px; }
  .aku-module-heading { grid-template-columns: 42px 1fr; }
  .aku-module-heading .aku-module-heading__intro { width: 100%; margin-left: 0; }
  .aku-daily-focus { grid-template-columns: 1fr; }
  .aku-daily-focus__image { min-height: 58svh; }
  .aku-daily-focus__copy { border-top: 1px solid var(--world-line); border-left: 0; }
  .aku-calendar-grid { grid-template-columns: repeat(2, 1fr); }
  .aku-pin-field { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; min-height: 0; padding: 12px 0; background: none; }
  .aku-pin-item { position: static; width: auto; padding: 12px; border: 1px solid var(--world-line); transform: none; }
  .aku-pin-item:hover img { transform: none; }

  .aku-pins-page { background: var(--pin-paper); }
  .aku-pins-page .aku-module-main { width: 100%; padding-top: 82px; }
  .aku-pins-page .aku-module-breadcrumb,
  .aku-pins-page .aku-module-heading,
  .aku-pins-page .aku-pocket-featured { width: calc(100% - 32px); margin-right: auto; margin-left: auto; }
  .aku-pins-page .aku-module-breadcrumb { margin-bottom: 30px; }
  .aku-pins-page .aku-module-heading { padding: 18px 0 38px; }
  .aku-pins-page .aku-module-heading > span { color: var(--pin-orange); }
  .aku-pins-page .aku-module-heading h1 { font-size: clamp(62px, 18vw, 102px); line-height: .78; }
  .pin-desktop-title { display: none; }
  .pin-mobile-title { display: inline; }

  .aku-pocket-featured { display: block; padding: 16px 0 38px; }
  .aku-pocket-featured__button { display: grid; width: 100%; min-height: 320px; padding: 0; overflow: hidden; border: 1px solid var(--world-line); border-radius: 22px; background: var(--pin-orange); color: var(--pin-ink); text-align: left; cursor: pointer; touch-action: manipulation; }
  .aku-pocket-featured__media { display: grid; min-height: 250px; place-items: center; padding: 26px; }
  .aku-pocket-featured__media img { display: block; width: min(68%, 270px); max-height: 300px; object-fit: contain; filter: drop-shadow(0 18px 20px rgba(82,22,7,.22)); }
  .aku-pocket-featured__copy { display: flex; align-items: center; justify-content: space-between; min-height: 66px; padding: 14px 18px; border-top: 1px solid rgba(20,19,15,.2); }
  .aku-pocket-featured__copy span { font-size: 10px; font-weight: 800; letter-spacing: .13em; }
  .aku-pocket-featured__copy strong { font-size: 14px; letter-spacing: .08em; }

  .aku-archive-categories { top: 70px; width: 100%; gap: 26px; min-height: 58px; padding: 0 16px; overflow-x: auto; background: rgba(245, 240, 230, .94); scrollbar-width: none; overscroll-behavior-x: contain; }
  .aku-archive-categories::-webkit-scrollbar { display: none; }
  .aku-archive-categories a,
  .aku-archive-categories span { flex: 0 0 auto; }

  .aku-pins-page .aku-pin-field { display: block; min-height: 0; padding: 20px 12px 0; column-count: 2; column-gap: 10px; background: var(--pin-paper); }
  .aku-pins-page .aku-pin-item { position: static; display: inline-block; width: 100%; min-height: 120px; margin: 0 0 10px; padding: 12px; break-inside: avoid; border: 1px solid var(--world-line); border-radius: 16px; background: #fffaf0; transform: none; }
  .aku-pins-page .aku-pin-item img { min-height: 96px; object-fit: contain; filter: none; }
  .aku-pins-page .aku-pin-item:hover,
  .aku-pins-page .aku-pin-item:focus-visible { transform: none; filter: none; box-shadow: inset 0 0 0 2px var(--pin-orange); }
  .aku-pins-page .aku-pin-item figcaption,
  .aku-pins-page .aku-pin-caption { min-height: 44px; align-items: center; color: rgba(20,19,15,.64); }
  .aku-pin-sentinel { display: block; width: 100%; height: 2px; }

  .pin-sheet-open { overflow: hidden; }
  .aku-pin-sheet:not([hidden]) { position: fixed; z-index: 120; inset: 0; display: grid; align-items: end; }
  .aku-pin-sheet__scrim { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: rgba(12, 10, 8, .58); }
  .aku-pin-sheet__panel { position: relative; max-height: min(88svh, 780px); overflow-y: auto; border-radius: 24px 24px 0 0; background: var(--pin-paper); color: var(--pin-ink); box-shadow: 0 -18px 50px rgba(0,0,0,.25); }
  .aku-pin-sheet__handle { width: 42px; height: 4px; margin: 10px auto 2px; border-radius: 10px; background: rgba(20,19,15,.24); }
  .aku-pin-sheet__close { display: block; min-width: 72px; min-height: 44px; margin: 0 12px 0 auto; border: 0; background: transparent; color: var(--pin-ink); font-size: 9px; font-weight: 800; letter-spacing: .14em; cursor: pointer; }
  .aku-pin-sheet__image { display: grid; min-height: 310px; max-height: 52svh; place-items: center; padding: 22px; background: var(--pin-orange); }
  .aku-pin-sheet__image img { display: block; width: 100%; max-width: 420px; height: 100%; max-height: 48svh; object-fit: contain; }
  .aku-pin-sheet__copy { padding: 22px 20px max(30px, env(safe-area-inset-bottom)); }
  .aku-pin-sheet__copy p { margin: 0; color: rgba(20,19,15,.58); font-size: 10px; font-weight: 700; line-height: 1.7; letter-spacing: .12em; }
  .aku-pin-sheet__copy h2 { margin: 12px 0 16px; font-size: clamp(30px, 10vw, 48px); line-height: 1.1; letter-spacing: .06em; }
}

@media (max-width: 520px) {
  .aku-world-hero__meta { align-items: flex-start; flex-direction: column; }
  .aku-world-hero h1 { margin-top: 90px; font-size: clamp(76px, 29vw, 120px); }
  .aku-world-entry { grid-template-columns: 36px 1fr 28px; }
  .aku-world-entry__title { font-size: clamp(34px, 11vw, 52px); }
  .aku-world-footer { align-items: flex-start; flex-direction: column; gap: 12px; }
  .aku-module-heading { grid-template-columns: 1fr; }
  .aku-module-heading h1 { font-size: clamp(58px, 20vw, 92px); }
  .aku-daily-focus__image { min-height: 52svh; }
  .aku-daily-focus__copy { padding: 30px 18px 44px; }
  .aku-calendar-grid { grid-template-columns: 1fr; }
  .aku-pin-field { grid-template-columns: 1fr 1fr; gap: 8px; }
  .aku-pin-item { padding: 8px; }
  .aku-pins-page .aku-pin-field { padding-inline: 10px; column-gap: 8px; }
  .aku-pins-page .aku-pin-item { margin-bottom: 8px; padding: 10px; border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aku-world-entry, .aku-world-entry__arrow, .aku-calendar-card img, .aku-pin-item img { transition: none; }
}