:root {
  --ink: #111214;
  --paper: #ebe4d8;
  --mist: #aeb2b0;
  --red: #9e2633;
  --rose: #d07b78;
  --rust: #896356;
  --line: rgba(234, 228, 216, 0.22);
  --serif: Baskerville, "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", "Songti SC", STSong, SimSun, serif;
  --kai: "Kaiti SC", STKaiti, KaiTi, "FangSong", STFangsong, var(--serif);
  --sans: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: var(--sans); overflow-x: hidden; }
button { font: inherit; }

.unlock-screen,
.opening,
.finale { min-height: 100svh; }

.unlock-screen { position: fixed; z-index: 10; inset: 0; overflow: hidden; background: #141517; transition: opacity 1.2s ease, visibility 1.2s ease; }
.unlock-screen.is-unlocked { opacity: 0; visibility: hidden; pointer-events: none; }
.cover-image { position: absolute; inset: -1.6rem; background: linear-gradient(180deg, rgba(11, 13, 15, .24), rgba(11, 13, 15, .68)), url("assets/cover-wasteland.png") 50% / cover no-repeat; filter: blur(4px) saturate(.76); transform: scale(1.06); animation: cover-drift 13s ease-in-out infinite alternate; }
.cover-vignette { position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 44%, transparent 5%, rgba(5, 6, 8, .31) 64%, rgba(4, 5, 6, .88) 100%); }
.cover-grain,
.opening::after,
.finale::after { position: absolute; inset: 0; pointer-events: none; content: ""; opacity: .2; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
.cover-content { position: relative; z-index: 1; display: grid; min-height: 100%; min-height: 100svh; padding: max(2.5rem, env(safe-area-inset-top)) 1.65rem max(2.25rem, env(safe-area-inset-bottom)); text-align: center; align-content: center; }
.eyebrow,
.chapter-label { margin: 0; color: var(--rose); font-family: var(--sans); font-size: .64rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; }
.cover-content h1 { max-width: 18rem; margin: 1.15rem auto .9rem; font: 400 clamp(2.2rem, 12vw, 3.9rem)/1.17 var(--serif); letter-spacing: .07em; text-shadow: 0 2px 24px rgba(0,0,0,.62); }
.cover-content h1 span { display: block; }
.cover-content h1 em { display: block; margin: .07em 0; color: var(--rose); font-size: .55em; font-style: normal; }
.cover-note { margin: 0 0 3rem; color: rgba(235, 228, 216, .72); font: .83rem/1.8 var(--kai); letter-spacing: .08em; }
.countdown { display: flex; align-items: center; justify-content: center; gap: .7rem; }
.time-unit { min-width: 2.65rem; display: grid; gap: .24rem; }
.time-unit strong { color: #f3ede3; font: 400 clamp(1.65rem, 8.5vw, 2.35rem)/1 var(--serif); font-variant-numeric: tabular-nums; }
.time-unit span { color: rgba(235,228,216,.57); font-size: .57rem; letter-spacing: .14em; }
.countdown i { width: .3rem; height: .3rem; background: var(--rose); transform: rotate(45deg); }
.opens-at { margin: 1.25rem 0 0; color: rgba(235,228,216,.55); font-size: .61rem; letter-spacing: .16em; }
.rose { position: absolute; z-index: 1; color: var(--red); font-size: 1.5rem; filter: blur(.15px); opacity: .8; animation: rose-float 8s ease-in-out infinite; }
.rose-one { top: 20%; left: 14%; }.rose-two { right: 17%; bottom: 22%; animation-delay: -4s; }

.exhibition { position: relative; background: #141619; }
.chapter,
.memories,
.finale { position: relative; overflow: hidden; }
.opening { position: relative; display: grid; align-content: center; padding: 8rem 1.75rem 6rem; text-align: center; background: radial-gradient(circle at 50% 45%, rgba(113, 44, 43, .31), transparent 28%), linear-gradient(180deg, #17191b 0%, #111214 100%); }
.opening-haze { position: absolute; inset: 25% -40% auto; height: 50%; background: radial-gradient(ellipse, rgba(189, 198, 190, .14), transparent 68%); filter: blur(20px); transform: rotate(-12deg); animation: haze 10s ease-in-out infinite alternate; }
.display-title { position: relative; margin: 1.5rem 0 1.9rem; font: 400 clamp(3.1rem, 16vw, 5.25rem)/1.06 var(--serif); letter-spacing: .1em; }
.display-title span { color: var(--rose); font-size: .52em; }
.opening-signature { margin: 1.9rem 0 0; color: #e0b0a9; font: 400 clamp(1.7rem, 6.5vw, 2.3rem)/1 "Edwardian Script ITC", "Segoe Script", "Brush Script MT", cursive; letter-spacing: .03em; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.opening-dedication { margin: 0; color: rgba(235, 228, 216, .72); font: 1rem/1 var(--serif); letter-spacing: .31em; }
.scroll-cue { position: absolute; right: 1.75rem; bottom: 2.5rem; color: rgba(235,228,216,.64); font-size: .62rem; letter-spacing: .14em; text-decoration: none; writing-mode: vertical-rl; }
.scroll-cue span { margin-top: .8rem; color: var(--rose); font-size: 1rem; }

.chapter { min-height: 100svh; padding: 7.5rem 1.75rem 5.5rem; }
.chapter::before { position: absolute; content: ""; inset: 0; opacity: .75; pointer-events: none; }
.prince { background: linear-gradient(150deg, #161718 10%, #222426 56%, #101112 100%); }
.prince::before { background: radial-gradient(ellipse at 89% 21%, rgba(174,181,178,.18), transparent 6%), radial-gradient(ellipse at 85% 26%, rgba(174,181,178,.09), transparent 23%), linear-gradient(105deg, transparent 70%, rgba(210, 116, 93, .06)); }
.rose-chapter { background: linear-gradient(164deg, #241f20, #21191c 52%, #161719); }
.rose-chapter::before { background: radial-gradient(ellipse at 8% 28%, rgba(169, 51, 53, .28), transparent 10%), radial-gradient(ellipse at 11% 25%, rgba(204, 111, 106, .09), transparent 30%); }
.meeting { min-height: 108svh; background: radial-gradient(ellipse at 50% 52%, rgba(114, 51, 47, .31), transparent 42%), linear-gradient(180deg, #171719, #121315); }
.chapter h2 { position: relative; margin: .75rem 0 3.2rem; font: 400 clamp(2.6rem, 14vw, 4.5rem)/1.1 var(--serif); letter-spacing: .12em; text-shadow: 0 2px 22px rgba(0,0,0,.6); }
.chapter h2::after { display: block; margin-top: 1.1rem; color: var(--rose); content: "—— ✦ ——"; font: 400 .82rem/1 var(--sans); letter-spacing: .32em; text-shadow: 0 0 12px rgba(208, 123, 120, .45); }
.prose { position: relative; max-width: 31rem; }
.prose p { margin: 0 0 1.62rem; color: rgba(235,228,216,.83); font: 1rem/2.02 var(--serif); letter-spacing: .025em; }
blockquote { margin: 2.7rem 0; padding-left: 1.15rem; border-left: 1px solid var(--rose); color: #e6bbb3; font: 1.3rem/1.95 var(--kai); letter-spacing: .09em; }
.rose-quote { color: #edaaa2; }.prince-quote { color: #838b89; }.prince h2, .rose-chapter h2, .prince .prose, .rose-chapter .prose { text-align: center; }
.chapter-sigil { position: absolute; color: rgba(235,228,216,.12); font: 400 10rem/1 var(--serif); pointer-events: none; }
.veil-sigil { right: -1.4rem; bottom: 5%; }.rose-sigil { right: 1rem; bottom: 4%; color: rgba(191, 53, 60, .24); font-size: 9.2rem; }
.petal { position: absolute; z-index: 1; color: #bd3f48; opacity: .64; font-size: 1.5rem; animation: petal-drift 8s ease-in-out infinite; }
.petal-one { top: 20%; right: 13%; }.petal-two { top: 57%; left: 7%; animation-delay: -3s; }.petal-three { bottom: 20%; right: 24%; animation-delay: -6s; }
.meeting h2 { font-size: clamp(2.2rem, 12.4vw, 3.6rem); text-align: center; }.meeting-copy { text-align: center; margin: 0 auto; }.meeting-copy p { font-size: 1.02rem; }.meeting-copy .emphasis { color: #e2b4ad; font-size: 1.18rem; line-height: 1.95; }
.meeting-line { position: relative; display: flex; align-items: center; justify-content: center; gap: .85rem; margin-top: 3.2rem; }.meeting-line span { position: relative; width: 22%; height: 1px; background: linear-gradient(90deg, transparent, rgba(225, 178, 167, .55)); }.meeting-line span::before { position: absolute; top: 50%; left: 0; color: rgba(225, 178, 167, .68); content: "◆"; font-size: .45rem; transform: translate(-50%, -50%); }.meeting-line span:last-child { transform: scaleX(-1); }.meeting-line i { color: var(--rose); font-style: normal; font-size: 1.2rem; text-shadow: 0 0 14px rgba(208, 123, 120, .5); }

.memories { min-height: 100svh; padding: 6.5rem 0 0; background: linear-gradient(180deg, #0d0f10, #1a1516 54%, #101112); }
.memory-intro { position: relative; z-index: 2; padding: 0 1.75rem; }.memory-intro h2 { margin: .78rem 0 1rem; font: 400 clamp(2.4rem, 13vw, 3.9rem)/1.13 var(--serif); letter-spacing: .07em; }.memory-intro > p:last-child { margin: .6rem 0 0; color: rgba(235,228,216,.8); font: 400 clamp(.72rem, 3.4vw, 1.25rem)/1.6 var(--serif); letter-spacing: .03em; white-space: nowrap; }
.photo-sky { position: relative; z-index: 1; height: 34rem; margin-top: -3rem; overflow: hidden; mask-image: linear-gradient(transparent, #000 20%, #000 82%, transparent); }
.photo-card { position: absolute; top: 50%; left: 50%; display: block; width: 11rem; height: 13.75rem; padding: .28em .28em .95em; border: 0; border-radius: .08em; background: #ede8de; box-shadow: 0 .6rem 1.7rem rgba(0,0,0,.5); cursor: pointer; overflow: hidden; opacity: 0; transform: translate(-50%, -50%); animation: photo-flow 10s linear 0s 1; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8) contrast(.95); }
.photo-card::after { position: absolute; right: .3em; bottom: .3em; content: "✦"; color: var(--red); font-size: .55em; }
.photo-sky.is-paused .photo-card { animation-play-state: paused; }
.photo-empty { position: absolute; z-index: 0; inset: auto 1.75rem 6.5rem; margin: 0; color: rgba(235,228,216,.37); text-align: center; font: .91rem/1.9 var(--serif); letter-spacing: .05em; }.photo-empty code { color: rgba(232,169,160,.69); font-family: var(--sans); font-size: .78em; }
.photo-empty.is-hidden { display: none; }.memory-pause { position: absolute; z-index: 2; right: 1.75rem; bottom: 1.85rem; padding: .68rem .88rem; border: 1px solid rgba(235,228,216,.18); border-radius: 99px; color: rgba(235,228,216,.62); background: rgba(20,20,21,.48); font-size: .62rem; letter-spacing: .12em; backdrop-filter: blur(8px); }

.finale { display: grid; align-content: center; padding: 6rem 1.75rem; text-align: center; background: radial-gradient(circle at 50% 43%, rgba(129, 39, 48, .34), transparent 20%), linear-gradient(135deg, #151617, #221819 58%, #131415); }
.finale-glow { position: absolute; top: 30%; left: 50%; width: 14rem; height: 14rem; border-radius: 50%; background: radial-gradient(circle, rgba(212, 102, 90, .22), transparent 63%); transform: translate(-50%, -50%); filter: blur(8px); }
.finale-copy { position: relative; margin: 2rem auto .85rem; max-width: none; color: rgba(235,228,216,.8); font: 400 clamp(.6rem, 2.9vw, 1.15rem)/1.9 var(--kai); white-space: nowrap; }.finale h2 { position: relative; margin: 0; color: #f1d5cd; font: 400 clamp(1.85rem, 8.7vw, 2.8rem)/1.44 var(--serif); letter-spacing: .05em; }.signature { position: relative; margin-top: 3rem; color: #e0b0a9; font: 400 clamp(1.8rem, 6vw, 2.4rem)/1 "Edwardian Script ITC", "Segoe Script", "Brush Script MT", cursive; letter-spacing: .03em; text-shadow: 0 1px 12px rgba(0,0,0,.5); }.date-stamp { position: relative; margin: 1rem 0 0; color: rgba(235,228,216,.38); font-size: .6rem; letter-spacing: .2em; }

.lightbox { position: fixed; z-index: 20; inset: 0; display: grid; place-items: center; padding: 1.5rem; background: rgba(5,6,7,.94); opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility .3s ease; }.lightbox.is-open { opacity: 1; visibility: visible; }.lightbox img { max-width: 100%; max-height: 83svh; box-shadow: 0 1rem 3rem #000; transform: scale(.96); transition: transform .3s ease; }.lightbox.is-open img { transform: scale(1); }.lightbox-close { position: absolute; top: max(1.15rem, env(safe-area-inset-top)); right: 1.25rem; width: 2.5rem; height: 2.5rem; border: 1px solid rgba(235,228,216,.24); border-radius: 50%; color: var(--paper); background: rgba(255,255,255,.06); font-size: 1.75rem; line-height: 1; }
.reveal { opacity: 0; transform: translateY(1rem); transition: opacity .85s ease, transform .85s cubic-bezier(.16,1,.3,1); }.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes cover-drift { to { transform: scale(1.12) translate(-.4rem, -.55rem); } }
@keyframes rose-float { 50% { transform: translateY(-1rem) rotate(17deg); opacity: .42; } }
@keyframes haze { to { transform: rotate(-8deg) translateX(8%); opacity: .55; } }
@keyframes petal-drift { 50% { transform: translate(1rem, -1.8rem) rotate(45deg); opacity: .28; } }
@keyframes photo-flow { 0% { transform: translate(-50%, -50%) translate(var(--from-x), var(--from-y)) scale(var(--scale-from)) rotate(var(--rotate-from)); opacity: 0; } 9% { opacity: var(--peak); } 84% { opacity: var(--peak); } 100% { transform: translate(-50%, -50%) translate(var(--to-x), var(--to-y)) scale(var(--scale-to)) rotate(var(--rotate-to)); opacity: 0; } }

@media (min-width: 700px) { .cover-content { padding-left: 3rem; padding-right: 3rem; }.chapter { padding-left: max(12vw, 6rem); padding-right: max(12vw, 6rem); }.prose, .chapter h2, .chapter-label { max-width: 35rem; }.meeting h2, .meeting-copy { max-width: 39rem; margin-left: auto; margin-right: auto; }.chapter:not(.meeting) h2, .chapter-label, .chapter:not(.meeting) .prose { position: relative; margin-left: auto; margin-right: auto; }.memory-intro { padding-left: max(12vw, 6rem); }.photo-sky { height: 42rem; }.memory-pause { right: max(12vw, 6rem); }.finale { padding-left: 3rem; padding-right: 3rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }


/* Second-pass exhibition layout */
html { scroll-snap-type: y mandatory; }
.exhibition-name { margin: 0; color: #e9c1b9; font-family: var(--kai); font-size: clamp(1.15rem, 5vw, 1.55rem); letter-spacing: .26em; text-indent: .26em; }
.chapter-label { font-size: .86rem; letter-spacing: .22em; }
.cover-note { margin: .7rem 0 3.15rem; color: rgba(235, 228, 216, .78); font-size: 1rem; }
.time-unit span { color: rgba(235,228,216,.7); font-size: .76rem; }
.opens-at { color: rgba(235,228,216,.67); font-size: .8rem; }
.opening, .chapter, .memories, .finale { min-height: 100svh; scroll-snap-align: start; scroll-snap-stop: always; }
.opening { padding: 8rem 1.75rem 6rem; overflow: hidden; isolation: isolate; }
.opening::before { position: absolute; z-index: 0; content: ""; inset: -1rem; background-image: linear-gradient(180deg, rgba(10, 11, 12, .42), rgba(13, 13, 14, .86)), url("背景素材/展览封面.png"); background-position: center; background-size: cover; filter: blur(7px) saturate(.72) brightness(.62); transform: scale(1.06); }
.opening .exhibition-name { position: relative; }
.chapter { padding: 5.75rem 1.75rem 4.5rem; isolation: isolate; }
.chapter > * { z-index: 1; }
.chapter::before { z-index: 0; inset: -1rem; opacity: 1; background-position: center; background-size: cover; filter: blur(7px) saturate(.72) brightness(.62); transform: scale(1.06); }
.prince { background: linear-gradient(150deg, #141516 10%, #252120 58%, #101112 100%); }
.prince::before { background-image: linear-gradient(180deg, rgba(10, 11, 12, .45), rgba(12, 12, 13, .88)), url("背景素材/黑暗王子.png"); background-position: 51% center; }
.rose-chapter { background: linear-gradient(164deg, #2d2022, #201719 52%, #141516); }
.rose-chapter::before { background-image: linear-gradient(180deg, rgba(29, 17, 19, .39), rgba(16, 16, 17, .87)), url("背景素材/野玫瑰.png"); background-position: center; opacity: .92; }
.meeting { min-height: 100svh; }
.meeting::before { background-image: linear-gradient(180deg, rgba(12, 12, 13, .48), rgba(12, 12, 13, .88)), url("背景素材/重新遇见.png"); background-position: center; opacity: .63; }
.prose p { margin-bottom: 1.3rem; color: rgba(242,237,230,.91); font-size: clamp(1.05rem, 4.35vw, 1.22rem); line-height: 1.86; text-shadow: 0 1px .8rem rgba(0,0,0,.64); }
blockquote { margin: 2.1rem 0; color: #f0c5bd; font-size: clamp(1.25rem, 5.2vw, 1.55rem); line-height: 1.72; text-shadow: 0 1px .8rem rgba(0,0,0,.58); }
.meeting h2 { font-size: clamp(2.35rem, 12.4vw, 3.6rem); }
.meeting-copy p { font-size: clamp(1.05rem, 4.35vw, 1.22rem); }
.meeting-copy .emphasis { color: #f0c5bd; font-size: clamp(1.2rem, 5vw, 1.47rem); line-height: 1.8; }
.page-hint { position: absolute; z-index: 2; right: 0; bottom: max(1.7rem, env(safe-area-inset-bottom)); left: 0; margin: 0; color: rgba(235,228,216,.72); font-size: .82rem; letter-spacing: .18em; text-align: center; animation: hint-breathe 2.4s ease-in-out infinite; pointer-events: none; }
.memories { padding-top: 5.75rem; }
.memory-intro h2 { font-size: clamp(2.65rem, 13vw, 3.9rem); }
.memory-intro > p:last-child { color: rgba(235,228,216,.85); }
.photo-empty { color: rgba(235,228,216,.54); font-size: 1.05rem; }
.photo-empty code { color: rgba(232,169,160,.8); font-size: .84em; }
.memory-pause { z-index: 3; right: 1.75rem; bottom: 4.5rem; padding: .78rem 1rem; border-color: rgba(235,228,216,.24); color: rgba(235,228,216,.76); background: rgba(20,20,21,.58); font-size: .8rem; }
.memory-hint { bottom: 1.8rem; }
.finale { min-height: 100svh; position: relative; overflow: hidden; isolation: isolate; }
.finale::before { position: absolute; z-index: 0; content: ""; inset: 0; background-image: linear-gradient(180deg, rgba(10, 11, 12, .42), rgba(13, 13, 14, .86)), url("背景素材/最后一页.jpg"); background-position: center; background-size: auto, contain; background-repeat: no-repeat; filter: blur(7px) saturate(.72) brightness(.62); }
.finale .exhibition-name { position: relative; }
.finale-copy { color: rgba(235,228,216,.86); }
.finale h2 { font-size: clamp(2.1rem, 9.4vw, 3rem); }
.date-stamp { color: rgba(235,228,216,.52); font-size: .8rem; }
@keyframes hint-breathe { 50% { opacity: .3; transform: translateY(.28rem); } }

.chapter-label { position: relative; z-index: 1; font-size: .92rem; }