:root {
  color-scheme: light;
  --bg: #f6f0e8;
  --ink: #29302e;
  --muted: #69716c;
  --paper: rgba(255, 252, 246, 0.9);
  --paper-solid: #fffaf1;
  --line: rgba(49, 53, 46, 0.16);
  --accent: #d4877a;
  --accent-2: #8da99b;
  --shadow: rgba(54, 45, 36, 0.16);
  --slot: rgba(255, 255, 255, 0.68);
  --year-bg: url("assets/paper-bloom-bg.png");
  --round-font: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", "Arial Rounded MT Bold", Arial, sans-serif;
  --play-font: "Comic Sans MS", "Microsoft YaHei UI", "PingFang SC", Arial, sans-serif;
  --soft-font: "Trebuchet MS", "Microsoft YaHei UI", "PingFang SC", Arial, sans-serif;
  --hand-font: "Edwardian Script ITC", "Monotype Corsiva", "Segoe Script", "Snell Roundhand", "Brush Script MT", "Lucida Handwriting", cursive;
  --stamp-font: "Segoe Print", "Lucida Handwriting", "Bradley Hand ITC", "Comic Sans MS", cursive;
  --calligraphy-font: "STXingkai", "FZShuTi", "KaiTi", "华文行楷", "Microsoft YaHei UI", cursive;
  --gold: #c69b4a;
  --gold-soft: rgba(198, 155, 74, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  max-width: 100%;
}

body {
  margin: 0;
  font-family:
    var(--round-font);
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0) 26%),
    radial-gradient(circle at 82% 78%, rgba(214, 199, 181, 0.18), transparent 32%),
    repeating-linear-gradient(0deg, rgba(38, 33, 28, 0.018) 0 1px, transparent 1px 4px),
    linear-gradient(135deg, #efeee9 0%, #f8f7f3 42%, #e5e2db 100%);
  overflow-x: hidden;
  transition: background-image 360ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.44), transparent 18%, transparent 82%, rgba(210, 205, 196, 0.42)),
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.72), transparent 28%);
  opacity: 0.82;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 28%, rgba(255, 246, 212, 0.72) 0 1px, transparent 2px),
    radial-gradient(circle at 23% 74%, rgba(255, 255, 255, 0.9) 0 1px, transparent 2px),
    radial-gradient(circle at 77% 22%, rgba(255, 228, 158, 0.72) 0 1px, transparent 2px),
    radial-gradient(circle at 89% 66%, rgba(255, 255, 255, 0.82) 0 1px, transparent 2px);
  background-size: 180px 220px, 260px 300px, 220px 260px, 310px 340px;
  opacity: 0.45;
  animation: ambientMotes 10s ease-in-out infinite;
}

.edge-effects {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.album-shell {
  position: relative;
  z-index: 3;
}

.tassel {
  position: absolute;
  top: 86px;
  bottom: 64px;
  width: 56px;
  opacity: 0.92;
  filter: drop-shadow(0 12px 22px rgba(126, 91, 68, 0.2));
}

.tassel::before,
.tassel::after {
  content: "";
  position: absolute;
  inset: 0;
}

.tassel::before {
  background:
    linear-gradient(90deg, transparent 0 13px, rgba(255, 255, 255, 0.74) 13px 15px, transparent 15px 23px),
    repeating-linear-gradient(90deg, rgba(212, 135, 122, 0.52) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(90deg, transparent 0 4px, rgba(141, 169, 155, 0.28) 4px 5px, transparent 5px 11px);
  mask-image: linear-gradient(180deg, transparent, #000 8%, #000 90%, transparent);
}

.tassel::after {
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.96) 0 2px, transparent 3px),
    radial-gradient(circle at 28% 28%, rgba(255, 226, 143, 0.78) 0 1.5px, transparent 3px),
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(255, 255, 255, 0.88) 30px 33px, transparent 33px 64px);
  animation: tasselSway 5.8s ease-in-out infinite;
}

.tassel-left {
  left: 18px;
}

.tassel-right {
  right: 18px;
  transform: scaleX(-1);
}

.sparkle-field {
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(24vw, 280px);
  opacity: 0.95;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 1) 0 1px, transparent 2px) 12% 18% / 70px 88px,
    radial-gradient(circle, rgba(255, 226, 143, 0.92) 0 1.5px, transparent 3px) 72% 28% / 108px 124px,
    radial-gradient(circle, rgba(255, 188, 204, 0.82) 0 1px, transparent 3px) 38% 76% / 92px 118px,
    conic-gradient(from 45deg, transparent 0 36deg, rgba(255, 255, 255, 0.96) 36deg 48deg, transparent 48deg 100%) 42% 24% / 68px 68px,
    conic-gradient(from 45deg, transparent 0 36deg, rgba(255, 229, 150, 0.84) 36deg 48deg, transparent 48deg 100%) 70% 70% / 92px 92px;
  animation: sparkleDrift 8s ease-in-out infinite;
}

.edge-effects::before,
.edge-effects::after {
  content: "";
  position: absolute;
  width: min(34vw, 420px);
  height: min(34vw, 420px);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.86) 0 1px, transparent 2px) 0 0 / 34px 34px,
    radial-gradient(circle at 48% 52%, rgba(255, 231, 154, 0.34), transparent 58%);
  filter: blur(0.15px);
  opacity: 0.78;
  animation: cornerGlow 7s ease-in-out infinite;
}

.edge-effects::before {
  left: -120px;
  top: -112px;
}

.edge-effects::after {
  right: -120px;
  bottom: -112px;
  animation-delay: -2.4s;
}

@keyframes tasselSway {
  0%,
  100% {
    transform: translateY(0) skewX(0deg);
  }
  50% {
    transform: translateY(-8px) skewX(-2deg);
  }
}

@keyframes cornerGlow {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.54;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.82;
  }
}

@keyframes ambientMotes {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.34;
  }
  50% {
    transform: translateY(-12px);
    opacity: 0.58;
  }
}

.sparkle-field-left {
  left: 0;
}

.sparkle-field-right {
  right: 0;
  animation-delay: -3s;
}

@keyframes sparkleDrift {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.58;
  }
  50% {
    transform: translateY(-14px);
    opacity: 0.95;
  }
}

body.theme-mint {
  --bg: #edf5f0;
  --ink: #203433;
  --muted: #607a77;
  --paper: rgba(250, 255, 251, 0.9);
  --paper-solid: #fbfffb;
  --line: rgba(31, 72, 67, 0.15);
  --accent: #6b9d91;
  --accent-2: #d9a05f;
  --shadow: rgba(33, 81, 74, 0.16);
  --slot: rgba(255, 255, 255, 0.74);
}

body.theme-film {
  --bg: #f4eef1;
  --ink: #332c31;
  --muted: #786971;
  --paper: rgba(255, 250, 252, 0.88);
  --paper-solid: #fff8fb;
  --line: rgba(74, 47, 65, 0.15);
  --accent: #bd7f8e;
  --accent-2: #8e9fba;
  --shadow: rgba(82, 56, 70, 0.15);
  --slot: rgba(255, 255, 255, 0.7);
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.album-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: clamp(14px, 2vw, 28px);
}

.topbar {
  width: min(1360px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 12px 28px var(--shadow);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.eyebrow,
.chapter {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: 700;
}

.chapter {
  width: fit-content;
  position: relative;
  padding: 0 0 6px;
  color: color-mix(in srgb, var(--accent) 70%, var(--gold));
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.74);
}

.chapter::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 76%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--gold), rgba(255, 232, 166, 0.92), transparent);
  animation: goldSweep 3.8s ease-in-out infinite;
}

h1 {
  margin: 3px 0 0;
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.18;
  letter-spacing: 0;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.timeline button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icon-button,
.turn-button {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  box-shadow: 0 10px 28px var(--shadow);
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.music-button {
  position: relative;
}

.music-button::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid transparent;
  opacity: 0;
}

.music-button.is-playing {
  color: var(--accent);
  background: rgba(255, 246, 248, 0.78);
}

.music-button.is-playing::after,
.music-button.needs-tap::after {
  border-color: rgba(212, 135, 122, 0.38);
  animation: musicPulse 1.8s ease-out infinite;
  opacity: 1;
}

@keyframes musicPulse {
  0% {
    transform: scale(0.88);
    opacity: 0.85;
  }
  100% {
    transform: scale(1.28);
    opacity: 0;
  }
}

@keyframes goldSweep {
  0%,
  100% {
    opacity: 0.38;
    transform: translateX(0) scaleX(0.86);
  }
  50% {
    opacity: 0.92;
    transform: translateX(8px) scaleX(1.08);
  }
}

@keyframes tinyTassel {
  0%,
  100% {
    transform: translateY(0) rotate(-2deg);
  }
  50% {
    transform: translateY(7px) rotate(2deg);
  }
}

@keyframes photoGlint {
  0%,
  100% {
    transform: translateX(-18%);
    opacity: 0.14;
  }
  50% {
    transform: translateX(18%);
    opacity: 0.34;
  }
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.book-stage {
  width: min(1380px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 16px;
}

.turn-button {
  width: 52px;
  height: 78px;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.turn-button:hover {
  transform: translateY(-2px);
}

.turn-button:disabled {
  opacity: 0.34;
  cursor: default;
  transform: none;
}

.book {
  min-height: min(75vh, 760px);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(202, 197, 188, 0.62);
  border-radius: 8px;
  background:
    linear-gradient(100deg, rgba(255, 255, 255, 0.54), transparent 34%, rgba(255, 255, 255, 0.38) 66%, transparent),
    linear-gradient(90deg, rgba(214, 209, 199, 0.82) 0 1px, transparent 1px 50%, rgba(74, 66, 56, 0.18) 50%, transparent calc(50% + 30px)),
    linear-gradient(90deg, #f5f2ea 0%, #fffdf7 12%, #fffef9 45.5%, #e4dfd3 49.3%, #fffef9 52.4%, #fffdf7 88%, #f2eee5 100%),
    repeating-linear-gradient(0deg, rgba(40, 34, 28, 0.018) 0 1px, transparent 1px 6px);
  box-shadow:
    0 38px 90px rgba(54, 45, 36, 0.22),
    0 4px 0 rgba(190, 184, 172, 0.62),
    0 9px 0 rgba(235, 231, 222, 0.96),
    inset 0 0 0 1px rgba(255, 255, 255, 0.82),
    inset 0 18px 42px rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(10px);
  transform-origin: center left;
  touch-action: pan-y;
}

.book::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(194, 185, 171, 0.32);
  border-radius: 6px;
  box-shadow: inset 0 0 34px rgba(255, 255, 255, 0.64);
  pointer-events: none;
}

.book::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 47.2%, rgba(56, 47, 38, 0.16) 49.3%, rgba(255, 255, 255, 0.46) 50.2%, rgba(56, 47, 38, 0.12) 51.3%, transparent 53%),
    radial-gradient(circle at 50% 10%, rgba(255, 241, 198, 0.34), transparent 22%),
    radial-gradient(circle at 94% 16%, rgba(255, 255, 255, 0.5), transparent 16%),
    linear-gradient(115deg, transparent 0 30%, rgba(255, 255, 255, 0.34) 44%, transparent 62%),
    radial-gradient(circle at 20% 18%, rgba(212, 135, 122, 0.08), transparent 22%),
    radial-gradient(circle at 82% 84%, rgba(141, 169, 155, 0.1), transparent 24%),
    var(--year-bg) center / cover;
  opacity: 0.25;
  pointer-events: none;
}

.book.is-turning-next {
  animation: turnNext 420ms ease both;
}

.book.is-turning-prev {
  animation: turnPrev 420ms ease both;
}

@keyframes turnNext {
  0% {
    transform: rotateY(0) translateX(0);
    opacity: 0.75;
  }
  45% {
    transform: rotateY(-7deg) translateX(-10px);
    opacity: 0.45;
  }
  100% {
    transform: rotateY(0) translateX(0);
    opacity: 1;
  }
}

@keyframes turnPrev {
  0% {
    transform: rotateY(0) translateX(0);
    opacity: 0.75;
  }
  45% {
    transform: rotateY(7deg) translateX(10px);
    opacity: 0.45;
  }
  100% {
    transform: rotateY(0) translateX(0);
    opacity: 1;
  }
}

.page-accent {
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: linear-gradient(180deg, rgba(204, 122, 82, 0.72), rgba(45, 43, 37, 0.22));
}

.year-watermark {
  position: absolute;
  z-index: 2;
  right: clamp(24px, 4vw, 62px);
  top: clamp(18px, 3.5vw, 54px);
  color: rgba(37, 34, 30, 0.16);
  font-family: var(--stamp-font);
  font-size: clamp(54px, 8vw, 118px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  transform: rotate(-6deg);
  pointer-events: none;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.62);
}

.book[data-year="2021"] .year-watermark,
.book[data-year="2024"] .year-watermark {
  right: clamp(28px, 5vw, 76px);
  top: clamp(20px, 4vw, 60px);
}

.book[data-year="2022"] .year-watermark,
.book[data-year="2025"] .year-watermark {
  right: auto;
  left: clamp(86px, 10vw, 150px);
  top: auto;
  bottom: clamp(30px, 5vw, 82px);
  transform: rotate(-9deg);
}

.book[data-year="2023"] .year-watermark {
  right: clamp(34px, 5vw, 86px);
  top: auto;
  bottom: clamp(28px, 5vw, 80px);
  transform: rotate(5deg);
}

.book[data-year="2026"] .year-watermark {
  left: 50%;
  right: auto;
  top: clamp(26px, 5vw, 72px);
  transform: translateX(-50%) rotate(-5deg);
  color: rgba(38, 76, 150, 0.18);
}

.sticker-layer {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.sticker {
  position: absolute;
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 28px rgba(39, 34, 28, 0.12);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  transform: rotate(-4deg);
  animation: stickerFloat 4.8s ease-in-out infinite;
}

img.sticker {
  display: block;
  width: 82px;
  height: 82px;
  min-height: 0;
  padding: 0;
  border: 5px solid rgba(255, 255, 255, 0.78);
  border-radius: 18px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.82);
}

img.sticker-large {
  width: 118px;
  height: 92px;
}

img.sticker-medium {
  width: 92px;
  height: 92px;
}

.sticker-small {
  min-width: 38px;
}

.sticker-top-left {
  top: 22px;
  left: clamp(36px, 7vw, 92px);
}

.sticker-mid-right {
  top: 44%;
  right: clamp(20px, 3.5vw, 48px);
  transform: rotate(4deg);
  animation-delay: -1.2s;
}

.sticker-bottom-left {
  bottom: 24px;
  left: clamp(42px, 9vw, 120px);
  animation-delay: -2.1s;
}

.sticker-bottom-right {
  right: clamp(24px, 4vw, 56px);
  bottom: 28px;
  transform: rotate(3deg);
  animation-delay: -2.6s;
}

.sticker-rose {
  background: rgba(255, 236, 241, 0.82);
  color: #9b5365;
}

.sticker-mint {
  background: rgba(230, 250, 242, 0.82);
  color: #477d70;
}

.sticker-blue {
  background: rgba(229, 244, 255, 0.82);
  color: #4d6f94;
}

.sticker-gold {
  background: rgba(255, 246, 214, 0.84);
  color: #9a6b22;
}

@keyframes stickerFloat {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -7px;
  }
}

.page-inner {
  position: relative;
  z-index: 3;
  min-height: inherit;
  display: grid;
  grid-template-columns: 78px minmax(220px, 0.82fr) minmax(320px, 1.18fr);
  gap: clamp(18px, 3vw, 42px);
  padding: clamp(24px, 4.5vw, 58px);
  padding-left: clamp(34px, 5vw, 70px);
}

.book[data-layout="campus-stack"] .page-inner {
  grid-template-columns: 72px minmax(430px, 1.18fr) minmax(260px, 0.82fr);
  gap: clamp(20px, 3vw, 36px);
}

.book[data-layout="campus-stack"] .story-copy {
  align-self: center;
  padding: 24px 22px;
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.36);
  border-radius: 8px;
}

.book[data-layout="campus-stack"] .media-composition {
  grid-column: 2;
  grid-row: 1;
}

.book[data-layout="campus-stack"] .story-copy {
  grid-column: 3;
  grid-row: 1;
}

.book[data-layout="home-grid"] .page-inner {
  grid-template-columns: 72px 1fr;
  grid-template-rows: auto 1fr;
  gap: 18px 32px;
}

.book[data-layout="home-grid"] .date-rail {
  grid-row: span 2;
}

.book[data-layout="home-grid"] .story-copy {
  max-width: 880px;
  align-self: end;
}

.book[data-layout="home-grid"] .media-composition {
  grid-column: 2;
  min-height: 390px;
}

.book[data-layout="suzhou-mosaic"] .page-inner {
  grid-template-columns: 72px minmax(330px, 0.72fr) minmax(470px, 1.28fr);
}

.book[data-layout="suzhou-mosaic"] .story-copy {
  align-self: start;
  margin-top: 34px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.34);
  border-radius: 8px;
}

.book[data-layout="passport"] .page-inner {
  grid-template-columns: 72px minmax(470px, 1.16fr) minmax(300px, 0.84fr);
}

.book[data-layout="passport"] .media-composition {
  grid-column: 2;
  grid-row: 1;
}

.book[data-layout="passport"] .story-copy {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px) 0 0 / 28px 28px,
    rgba(255, 255, 255, 0.48);
}

.book[data-layout="photobook"] .page-inner {
  grid-template-columns: 72px minmax(300px, 0.64fr) minmax(520px, 1.36fr);
}

.book[data-layout="photobook"] .story-copy {
  align-self: start;
  position: sticky;
  top: 24px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.42);
  border-radius: 8px;
}

.book[data-layout="closing"] .page-inner {
  grid-template-columns: 72px 1fr;
  grid-template-rows: auto 1fr;
}

.book[data-layout="closing"] .story-copy {
  width: min(760px, 100%);
  margin: 0 auto;
  text-align: center;
}

.book[data-layout="closing"] .story-note {
  width: min(820px, 100%);
  margin: 16px auto 0;
}

.book[data-layout="closing"] .note-line-cn {
  max-width: 760px;
}

.book[data-layout="closing"] .note-line-en {
  margin: 2px 0 4px;
}

.book[data-layout="closing"] .media-composition {
  grid-column: 2;
  width: min(620px, 100%);
  justify-self: center;
}

.date-rail {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--muted);
  font-size: 13px;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.story-copy {
  align-self: center;
  min-width: 0;
  position: relative;
}

.story-copy::after {
  content: "";
  position: absolute;
  width: 94px;
  height: 116px;
  right: -28px;
  top: -34px;
  opacity: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12px 8px, rgba(255, 245, 206, 0.98) 0 3px, transparent 4px),
    radial-gradient(circle at 42px 10px, rgba(255, 245, 206, 0.96) 0 2px, transparent 3px),
    linear-gradient(180deg, rgba(198, 155, 74, 0.78), rgba(198, 155, 74, 0.18)) 11px 12px / 1px 82px no-repeat,
    linear-gradient(180deg, rgba(232, 201, 120, 0.8), rgba(232, 201, 120, 0.15)) 24px 4px / 1px 96px no-repeat,
    linear-gradient(180deg, rgba(198, 155, 74, 0.72), rgba(198, 155, 74, 0.1)) 41px 14px / 1px 74px no-repeat,
    radial-gradient(circle at 11px 95px, rgba(198, 155, 74, 0.82) 0 2px, transparent 3px),
    radial-gradient(circle at 24px 104px, rgba(232, 201, 120, 0.86) 0 2px, transparent 3px),
    radial-gradient(circle at 41px 88px, rgba(198, 155, 74, 0.76) 0 2px, transparent 3px);
  filter: drop-shadow(0 8px 10px rgba(132, 95, 30, 0.16));
  animation: tinyTassel 3.8s ease-in-out infinite;
}

.book .story-copy::after {
  opacity: 0.52;
}

.book[data-year="2022"] .story-copy::after,
.book[data-year="2024"] .story-copy::after,
.book[data-year="2026"] .story-copy::after {
  right: auto;
  left: -34px;
  transform-origin: 26px 0;
  opacity: 0.62;
}

.book[data-year="2023"] .story-copy::after,
.book[data-year="2025"] .story-copy::after {
  opacity: 0.7;
}

.story-copy h2 {
  margin: 10px 0 18px;
  font-family: var(--round-font);
  font-size: clamp(32px, 4.6vw, 62px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: 0;
}

.book[data-layout="campus-stack"] .story-copy h2,
.book[data-layout="photobook"] .story-copy h2 {
  font-family: var(--play-font);
}

.book[data-layout="home-grid"] .story-copy h2,
.book[data-layout="passport"] .story-copy h2 {
  font-family: var(--soft-font);
}

.book[data-layout="suzhou-mosaic"] .story-copy h2 {
  font-family: var(--round-font);
  font-weight: 700;
}

.story-note {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.92;
}

.story-note-lines {
  display: grid;
  gap: 18px;
  justify-items: center;
  color: color-mix(in srgb, var(--ink) 72%, var(--muted));
}

.note-line {
  display: block;
}

.note-line-cn {
  font-family: var(--calligraphy-font);
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.55;
  color: rgba(42, 50, 46, 0.86);
}

.note-line-en {
  font-family: var(--hand-font);
  font-size: clamp(34px, 5vw, 74px);
  line-height: 0.95;
  color: rgba(38, 76, 150, 0.78);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.72);
}

[contenteditable="true"] {
  outline: 0;
  border-radius: 8px;
  transition:
    background 160ms ease,
    box-shadow 160ms ease;
}

[contenteditable="true"]:focus {
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.28);
}

.memory-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.memory-tags span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.memory-tags span:nth-child(2) {
  border-color: var(--gold-soft);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.58),
    0 0 18px rgba(198, 155, 74, 0.12);
}

.whisper-line {
  width: fit-content;
  max-width: 100%;
  margin: 20px 0 0;
  padding: 0 4px;
  border: 0;
  background: transparent;
  color: rgba(38, 76, 150, 0.78);
  font-family: var(--hand-font);
  font-size: clamp(32px, 4.4vw, 70px);
  line-height: 0.88;
  transform: rotate(-4deg);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.64);
}

.book[data-year="2021"] .whisper-line,
.book[data-year="2024"] .whisper-line {
  color: rgba(36, 78, 160, 0.78);
  font-family: "Edwardian Script ITC", "Segoe Script", "Snell Roundhand", var(--hand-font);
}

.book[data-year="2022"] .whisper-line,
.book[data-year="2025"] .whisper-line {
  color: rgba(181, 132, 36, 0.82);
  font-family: "Monotype Corsiva", "Brush Script MT", "Segoe Script", var(--hand-font);
}

.book[data-year="2023"] .whisper-line,
.book[data-year="2026"] .whisper-line {
  color: rgba(151, 106, 26, 0.86);
  font-family: "Snell Roundhand", "Edwardian Script ITC", "Lucida Handwriting", var(--hand-font);
}

.whisper-line::after {
  content: "";
  display: block;
  width: 76%;
  height: 2px;
  margin: 8px 0 0 18px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.58;
  transform: rotate(-1deg);
  box-shadow: 0 0 10px rgba(198, 155, 74, 0.32);
}

.whisper-line:empty {
  display: none;
}

.side-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.side-media[hidden] {
  display: none;
}

.side-media .media-slot {
  min-height: 210px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.56);
}

.side-media .media-frame {
  max-height: 180px;
}

.side-media .variant-long-strip .media-frame img {
  width: 100%;
}

.media-composition {
  align-self: center;
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: center;
}

.media-composition:empty {
  display: none;
}

.media-slot {
  position: relative;
  min-width: 0;
  min-height: 0;
  --media-aspect: 4 / 3;
  margin: 0;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-self: start;
  border: 1px solid rgba(205, 198, 184, 0.54);
  border-radius: 2px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(250, 248, 241, 0.74)),
    #fffdf8;
  box-shadow:
    0 10px 24px rgba(42, 36, 30, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.66);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.media-slot::before {
  content: "";
  width: 46px;
  height: 16px;
  position: absolute;
  top: -8px;
  left: 50%;
  border-radius: 2px;
  background: rgba(242, 228, 184, 0.48);
  box-shadow: 0 5px 10px rgba(86, 67, 40, 0.08);
  transform: translateX(-50%) rotate(-2deg);
  opacity: 0.78;
  pointer-events: none;
}

.media-slot:nth-child(3n)::after {
  content: "";
  position: absolute;
  right: 7px;
  top: 7px;
  width: 28px;
  height: 28px;
  border-top: 1px solid var(--gold-soft);
  border-right: 1px solid var(--gold-soft);
  opacity: 0.9;
  pointer-events: none;
}

.media-slot:nth-child(4n + 1) .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 34%, rgba(255, 255, 255, 0.36) 48%, transparent 62%);
  opacity: 0.32;
  pointer-events: none;
  animation: photoGlint 5.6s ease-in-out infinite;
}

.media-slot:hover {
  transform: translateY(-3px) rotate(0deg);
  box-shadow: 0 18px 40px rgba(39, 34, 28, 0.14);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--media-aspect);
  flex: 0 0 auto;
  border: 0;
  border-radius: 1px;
  background: #f7f5ef;
}

.media-slot figcaption {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.media-frame img,
.media-frame video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.18);
}

.aspect-wide .media-frame,
.aspect-landscape .media-frame {
  min-height: 0;
}

.aspect-square .media-frame {
  min-height: 0;
}

.aspect-portrait .media-frame {
  min-height: 0;
}

.aspect-tall .media-frame {
  min-height: 0;
}

.edge-note {
  position: absolute;
  right: 10px;
  bottom: 10px;
  max-width: min(72%, 180px);
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 999px;
  background: rgba(255, 252, 235, 0.88);
  color: #7d5b28;
  font-family: var(--play-font);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(39, 34, 28, 0.12);
  transform: rotate(-3deg);
  pointer-events: none;
}

.variant-long-strip .media-frame {
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) rgba(255, 255, 255, 0.4);
}

.variant-long-strip .media-frame img {
  height: auto;
  min-height: 100%;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.42);
}

.variant-landscape-full .media-frame {
  background: rgba(255, 255, 255, 0.52);
  aspect-ratio: var(--media-aspect, 16 / 9);
}

.variant-landscape-full .media-frame img {
  object-fit: contain;
  background: rgba(255, 255, 255, 0.5);
}

.slot-empty {
  width: 100%;
  height: 100%;
  min-height: 120px;
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 18px;
  color: var(--muted);
  text-align: center;
}

.slot-empty svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.slot-empty input {
  width: 1px;
  height: 1px;
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.upload-label {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 13px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper-solid);
  cursor: pointer;
  font-size: 13px;
}

.upload-label svg {
  width: 16px;
  height: 16px;
}

.media-slot figcaption {
  min-height: 24px;
  flex: 0 0 auto;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.media-composition.layout-scatter {
  grid-template-columns: 1fr 0.92fr;
  grid-template-rows: 1fr 0.9fr;
}

.media-composition.layout-campus-stack {
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  grid-template-rows: auto auto;
  align-content: center;
}

.layout-campus-stack .media-slot:nth-child(1) {
  order: 4;
  grid-column: span 3;
  transform: rotate(-0.6deg);
}

.layout-campus-stack .media-slot:nth-child(2) {
  order: 1;
  grid-column: span 1;
  transform: translateY(4px) rotate(1.4deg);
}

.layout-campus-stack .media-slot:nth-child(3) {
  order: 2;
  grid-column: span 1;
  transform: translateY(10px) rotate(-1.2deg);
}

.layout-campus-stack .media-slot:nth-child(4) {
  order: 3;
  grid-column: span 1;
  transform: translateY(2px) rotate(0.8deg);
}

.media-composition.layout-home-grid {
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: auto;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
  align-content: start;
}

.layout-home-grid .media-slot:nth-child(1) {
  grid-column: span 3;
}

.layout-home-grid .media-slot:nth-child(2),
.layout-home-grid .media-slot:nth-child(3) {
  grid-column: span 3;
}

.layout-home-grid .media-slot:nth-child(n + 4) {
  grid-column: span 2;
}

.layout-home-grid .media-slot:nth-child(7) {
  grid-column: span 3;
}

.media-composition.layout-suzhou-mosaic {
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  grid-auto-rows: auto;
  max-height: 548px;
  overflow-y: auto;
  padding-right: 4px;
  align-content: start;
}

.layout-suzhou-mosaic .media-slot:nth-child(1) {
  grid-column: span 2;
}

.layout-suzhou-mosaic .media-slot:nth-child(2) {
  grid-column: span 2;
}

.layout-suzhou-mosaic .variant-long-strip {
  grid-column: span 2;
}

.layout-suzhou-mosaic .media-slot:nth-child(4) {
  grid-column: span 2;
  transform: rotate(-0.8deg);
}

.layout-suzhou-mosaic .media-slot:not(.variant-long-strip) {
  grid-column: span 2;
}

.layout-suzhou-mosaic .media-slot:nth-child(5) {
  grid-column: span 2;
}

.layout-suzhou-mosaic .media-slot:nth-child(6) {
  grid-column: span 2;
}

.layout-suzhou-mosaic .media-slot:nth-child(8) {
  grid-column: span 2;
}

.media-composition.layout-passport {
  grid-template-columns: 1fr 0.78fr;
  grid-template-rows: auto auto;
  align-content: center;
}

.layout-passport .media-slot:nth-child(1) {
  align-self: center;
  border-radius: 6px 6px 28px 6px;
}

.layout-passport .media-slot:nth-child(1).aspect-portrait .media-frame,
.layout-passport .media-slot:nth-child(1).aspect-tall .media-frame {
  min-height: 0;
  aspect-ratio: var(--media-aspect);
}

.layout-passport .media-slot:nth-child(2) {
  transform: rotate(2.4deg);
}

.layout-passport .media-slot:nth-child(3) {
  transform: translateX(-14px) rotate(-2deg);
}

.media-composition.layout-photobook {
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  grid-auto-rows: auto;
  gap: 28px 16px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
  align-content: start;
  scrollbar-color: var(--accent) rgba(255, 255, 255, 0.36);
}

.layout-photobook .media-slot {
  padding: 9px;
}

.layout-photobook .media-slot figcaption {
  min-height: 36px;
  max-height: 42px;
  display: flex;
  align-items: center;
}

.layout-photobook .media-frame {
  min-height: 0;
}

.layout-photobook .media-slot:nth-child(1),
.layout-photobook .media-slot:nth-child(4),
.layout-photobook .media-slot:nth-child(9) {
  grid-column: span 2;
}

.layout-photobook .media-slot:nth-child(2n) {
  transform: rotate(0.8deg);
}

.layout-photobook .media-slot:nth-child(3n) {
  transform: rotate(-0.8deg);
}

.layout-scatter .media-slot:nth-child(1) {
  transform: rotate(-1.5deg);
}

.layout-scatter .media-slot:nth-child(2) {
  transform: translateY(12px) rotate(1deg);
}

.layout-scatter .media-slot:nth-child(3) {
  transform: translateX(-8px) rotate(-0.6deg);
}

.media-composition.layout-diptych {
  grid-template-columns: 1.05fr 0.95fr;
}

.layout-diptych .media-slot:nth-child(1) {
  transform: translateY(-14px);
}

.layout-diptych .media-slot:nth-child(2) {
  transform: translateY(32px);
}

.media-composition.layout-mosaic {
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: auto;
}

.layout-mosaic .media-slot:nth-child(1) {
  grid-column: span 4;
}

.layout-mosaic .media-slot:nth-child(2) {
  grid-column: span 2;
}

.layout-mosaic .media-slot:nth-child(3) {
  grid-column: span 3;
}

.layout-mosaic .media-slot:nth-child(4) {
  grid-column: span 3;
}

.media-composition.layout-letter {
  grid-template-columns: 0.9fr 1.1fr;
  grid-template-rows: auto auto;
}

.layout-letter .media-slot:nth-child(1) {
  grid-row: span 1;
}

.layout-letter .media-slot:nth-child(2) {
  transform: rotate(1.4deg);
}

.layout-letter .media-slot:nth-child(3) {
  transform: rotate(-1deg);
}

.media-composition.layout-gallery {
  grid-template-columns: repeat(3, 1fr);
}

.layout-gallery .media-slot:nth-child(1) {
  grid-column: span 2;
}

.media-composition.layout-closing {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

.layout-closing .media-slot {
  border-style: solid;
}

.layout-closing .media-slot:nth-child(1) {
  transform: translateY(-18px) rotate(-1deg);
}

.layout-closing .media-slot:nth-child(2) {
  transform: translateY(28px) rotate(1deg);
}

.timeline {
  width: min(840px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: 0 12px 34px rgba(39, 34, 28, 0.08);
}

.timeline button {
  min-width: 0;
  min-height: 38px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
}

.timeline button.is-active {
  color: var(--paper-solid);
  background: var(--ink);
}

@media (max-width: 920px) {
  .topbar,
  .controls {
    align-items: flex-start;
  }

  .topbar {
    flex-direction: column;
  }

  .controls {
    width: 100%;
    justify-content: flex-end;
  }

  .book-stage {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    gap: 8px;
  }

  .turn-button {
    width: 42px;
    height: 60px;
  }

  .page-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .date-rail {
    writing-mode: horizontal-tb;
    transform: none;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 12px;
  }

  .story-copy {
    align-self: start;
  }

  .media-composition {
    min-height: 380px;
  }
}

@media (max-width: 620px) {
  .album-shell {
    padding: 12px;
    gap: 12px;
  }

  .tassel {
    width: 18px;
    top: 74px;
    bottom: 62px;
  }

  .tassel-left {
    left: 4px;
  }

  .tassel-right {
    right: 4px;
  }

  .sparkle-field {
    width: 22vw;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
    font-size: 17px;
  }

  .controls {
    gap: 8px;
  }

  .book-stage {
    grid-template-columns: 1fr;
  }

  .turn-button {
    position: fixed;
    z-index: 5;
    bottom: 72px;
    width: 48px;
    height: 48px;
  }

  .turn-button.prev {
    left: 14px;
  }

  .turn-button.next {
    right: 14px;
  }

  .book {
    min-height: auto;
  }

  .page-inner {
    padding: 24px 18px 78px 28px;
  }

  .story-copy h2 {
    font-size: clamp(30px, 12vw, 46px);
  }

  .story-note {
    line-height: 1.78;
  }

  .media-composition,
  .media-composition.layout-scatter,
  .media-composition.layout-campus-stack,
  .media-composition.layout-diptych,
  .media-composition.layout-home-grid,
  .media-composition.layout-mosaic,
  .media-composition.layout-suzhou-mosaic,
  .media-composition.layout-letter,
  .media-composition.layout-passport,
  .media-composition.layout-gallery,
  .media-composition.layout-photobook,
  .media-composition.layout-closing {
    min-height: 0;
    max-height: none;
    overflow: visible;
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .media-slot,
  .layout-scatter .media-slot:nth-child(n),
  .layout-campus-stack .media-slot:nth-child(n),
  .layout-diptych .media-slot:nth-child(n),
  .layout-home-grid .media-slot:nth-child(n),
  .layout-suzhou-mosaic .media-slot:nth-child(n),
  .layout-letter .media-slot:nth-child(n),
  .layout-passport .media-slot:nth-child(n),
  .layout-photobook .media-slot:nth-child(n),
  .layout-closing .media-slot:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
    transform: none;
  }

  .media-frame {
    aspect-ratio: 4 / 3;
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
    border-radius: 8px;
    padding: 5px;
  }

  .timeline button {
    border-radius: 6px;
  }

  .sticker {
    font-size: 12px;
    min-height: 30px;
    padding: 5px 9px;
  }

  .sticker-top-left {
    top: 12px;
    left: 32px;
  }

  .sticker-mid-right {
    top: auto;
    right: 18px;
    bottom: 118px;
  }

  .sticker-bottom-left {
    left: 32px;
    bottom: 24px;
  }

  .sticker-bottom-right {
    right: 18px;
    bottom: 24px;
  }
}

@media (max-width: 760px) {
  body {
    min-width: 0;
  }

  body::after,
  .edge-effects {
    opacity: 0.6;
  }

  .album-shell {
    width: 100%;
    min-height: 100svh;
    display: block;
    padding: 10px 10px 86px;
  }

  .topbar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    font-size: 16px;
  }

  .eyebrow {
    font-size: 10px;
  }

  h1 {
    font-size: clamp(18px, 6vw, 24px);
    line-height: 1.16;
  }

  .controls {
    width: auto;
    flex: 0 0 auto;
    gap: 6px;
  }

  .icon-button {
    width: 36px;
    height: 36px;
  }

  .icon-button svg {
    width: 18px;
    height: 18px;
  }

  .book-stage {
    width: 100%;
    display: block;
  }

  .book {
    width: 100%;
    min-height: 0;
    overflow: visible;
    border-radius: 6px;
  }

  .book::before {
    inset: 8px;
  }

  .book[data-layout="campus-stack"] .page-inner,
  .book[data-layout="home-grid"] .page-inner,
  .book[data-layout="suzhou-mosaic"] .page-inner,
  .book[data-layout="passport"] .page-inner,
  .book[data-layout="photobook"] .page-inner,
  .book[data-layout="closing"] .page-inner,
  .page-inner {
    width: 100%;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
    gap: 18px;
    padding: 22px 14px 30px 20px;
    padding-left: 20px;
  }

  .book[data-layout="campus-stack"] .story-copy,
  .book[data-layout="passport"] .story-copy,
  .book[data-layout="photobook"] .story-copy,
  .book[data-layout="suzhou-mosaic"] .story-copy,
  .book[data-layout="home-grid"] .story-copy,
  .book[data-layout="closing"] .story-copy,
  .story-copy {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 14px 12px;
    position: relative;
    top: auto;
    align-self: start;
    text-align: left;
    border-radius: 6px;
  }

  .book[data-layout="closing"] .story-copy {
    text-align: center;
  }

  .book[data-layout="campus-stack"] .media-composition,
  .book[data-layout="home-grid"] .media-composition,
  .book[data-layout="suzhou-mosaic"] .media-composition,
  .book[data-layout="passport"] .media-composition,
  .book[data-layout="photobook"] .media-composition,
  .book[data-layout="closing"] .media-composition,
  .media-composition,
  .media-composition.layout-scatter,
  .media-composition.layout-campus-stack,
  .media-composition.layout-diptych,
  .media-composition.layout-home-grid,
  .media-composition.layout-mosaic,
  .media-composition.layout-suzhou-mosaic,
  .media-composition.layout-letter,
  .media-composition.layout-passport,
  .media-composition.layout-gallery,
  .media-composition.layout-photobook,
  .media-composition.layout-closing {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
    min-height: 0;
    max-height: none;
    overflow: visible;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 0;
  }

  .side-media {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .media-slot,
  .side-media .media-slot,
  .layout-scatter .media-slot:nth-child(n),
  .layout-campus-stack .media-slot:nth-child(n),
  .layout-diptych .media-slot:nth-child(n),
  .layout-home-grid .media-slot:nth-child(n),
  .layout-suzhou-mosaic .media-slot:nth-child(n),
  .layout-letter .media-slot:nth-child(n),
  .layout-passport .media-slot:nth-child(n),
  .layout-photobook .media-slot:nth-child(n),
  .layout-closing .media-slot:nth-child(n) {
    width: 100%;
    grid-column: 1;
    grid-row: auto;
    transform: none;
    max-width: 100%;
  }

  .media-frame,
  .side-media .media-frame {
    width: 100%;
    max-height: none;
    min-height: 0;
  }

  .variant-long-strip .media-frame {
    max-height: min(78vh, 620px);
  }

  .variant-long-strip .media-frame img {
    min-height: 0;
  }

  .date-rail {
    grid-column: 1;
    grid-row: auto;
    writing-mode: horizontal-tb;
    transform: none;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 10px;
    font-size: 12px;
  }

  .story-copy h2 {
    font-size: clamp(30px, 10vw, 42px);
    line-height: 1.08;
  }

  .story-note {
    font-size: 15px;
    line-height: 1.75;
  }

  .note-line-cn {
    font-size: clamp(21px, 7vw, 30px);
  }

  .note-line-en {
    font-size: clamp(34px, 12vw, 54px);
  }

  .whisper-line {
    font-size: clamp(34px, 13vw, 58px);
  }

  .year-watermark {
    font-size: clamp(52px, 24vw, 92px);
    opacity: 0.85;
  }

  .story-copy::after {
    width: 62px;
    height: 82px;
    right: 4px;
    top: -20px;
    opacity: 0.42;
    transform: scale(0.72);
  }

  .book[data-year="2022"] .story-copy::after,
  .book[data-year="2024"] .story-copy::after,
  .book[data-year="2026"] .story-copy::after {
    left: auto;
    right: 4px;
  }

  .sticker-layer {
    opacity: 0.86;
  }

  img.sticker-large,
  img.sticker-medium,
  img.sticker {
    width: 72px;
    height: 72px;
  }

  .turn-button {
    position: fixed;
    z-index: 20;
    bottom: 70px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.76);
    backdrop-filter: blur(12px);
  }

  .turn-button.prev {
    left: 12px;
  }

  .turn-button.next {
    right: 12px;
  }

  .timeline {
    position: fixed;
    z-index: 19;
    left: 50%;
    right: auto;
    bottom: 10px;
    width: min(92vw, 420px);
    transform: translateX(-50%);
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 3px;
    border-radius: 999px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(14px);
  }

  .timeline button {
    min-height: 34px;
    border-radius: 999px;
    font-size: 12px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .topbar,
  .turn-button,
  .timeline,
  .slot-empty input,
  .upload-label {
    display: none !important;
  }

  .album-shell {
    display: block;
    padding: 0;
  }

  .book {
    min-height: 100vh;
    border: 0;
    box-shadow: none;
    page-break-after: always;
  }
}