:root {
  --wine: #b4232c;
  --wine-deep: #6d1018;
  --ink: #0a0607;
  --ink-2: #160b0d;
  --cream: #f4e7d4;
  --paper: #f7edd8;
  --gold: #d7b57a;
  --mute: #b7a089;
  --serif: "Bodoni Moda", "Noto Serif SC", "Songti SC", serif;
  --sans: "Karla", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --rail: 52px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--cream);
  font-family: var(--sans);
  line-height: 1.7;
  background:
    radial-gradient(900px 520px at 80% 8%, rgba(180, 35, 44, 0.28), transparent 55%),
    radial-gradient(700px 420px at 8% 40%, rgba(215, 181, 122, 0.08), transparent 50%),
    linear-gradient(180deg, #12080a 0%, var(--ink) 28%, #10070a 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

.grain,
.spot {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.grain {
  opacity: 0.18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.spot {
  background: radial-gradient(420px 420px at var(--x, 70%) var(--y, 18%), rgba(255, 214, 170, 0.12), transparent 55%);
  transition: background 0.12s linear;
}

.progress {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 60;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--wine));
}

.spine {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 30;
  width: var(--rail);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5.5rem 0 1.4rem;
  border-right: 1px solid rgba(215, 181, 122, 0.16);
  background: rgba(10, 6, 7, 0.55);
  writing-mode: vertical-rl;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  color: var(--gold);
}

.spine span { padding: 0 1.05rem; }

.mast,
main,
.colophon { position: relative; z-index: 3; }

main { padding-left: var(--rail); }

.mast {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: var(--rail);
  padding: 0.85rem clamp(1rem, 3vw, 2.4rem);
  background: rgba(10, 6, 7, 0.72);
  border-bottom: 1px solid rgba(215, 181, 122, 0.12);
  backdrop-filter: blur(18px);
}

.sigil {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.sigil img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(215, 181, 122, 0.35), 0 10px 24px rgba(180, 35, 44, 0.35);
}

.sigil strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1;
  letter-spacing: 0.06em;
}

.sigil em {
  display: block;
  margin-top: 0.12rem;
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.folio-nav {
  display: flex;
  flex: 1;
  justify-content: center;
  gap: 1.15rem;
  font-size: 0.92rem;
  color: var(--mute);
}

.folio-nav a:hover { color: var(--cream); }

.btn-wax {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #d1323a, var(--wine-deep));
  color: #fff7ef;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 12px 28px rgba(180, 35, 44, 0.36);
  transition: transform 0.25s var(--ease);
}

.btn-wax:hover { transform: translateY(-2px); }

.btn-lg { min-width: 13rem; padding: 0.95rem 1.5rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.92rem 1.2rem;
  border-bottom: 1px solid var(--gold);
  color: var(--gold);
  letter-spacing: 0.12em;
}

.nav-latch {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid rgba(215, 181, 122, 0.3);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.nav-latch span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--cream);
}

.overture {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(420px, 1.18fr);
  grid-template-rows: auto auto auto;
  min-height: auto;
  padding: 2rem clamp(1.2rem, 3vw, 2.6rem) 0;
  align-items: center;
  overflow-x: clip;
  overflow-y: visible;
}

.overture-copy {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 560px;
  padding: 0 0.6rem;
}

.copy-inner {
  width: min(100%, 34rem);
  text-align: left;
}

.overture::before {
  content: "";
  position: absolute;
  width: 42vw;
  height: 42vw;
  right: 4%;
  top: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(180, 35, 44, 0.38), transparent 68%);
  filter: blur(8px);
  animation: pulse 7s ease-in-out infinite;
}

.vert-mark {
  position: absolute;
  right: 1.4rem;
  top: 12%;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  letter-spacing: 0.55em;
  color: rgba(244, 231, 212, 0.16);
  font-size: 1.05rem;
}

.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.1rem;
}

.kicker span {
  padding: 0.3rem 0.78rem;
  border: 1px solid rgba(215, 181, 122, 0.35);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.overture h1 {
  position: relative;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(5.4rem, 10vw, 9.4rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.ghost {
  position: absolute;
  left: -0.08em;
  top: -0.42em;
  font-size: 0.28em;
  letter-spacing: 0.42em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(215, 181, 122, 0.35);
}

.subtitle {
  margin: 0.9rem 0 1.1rem;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.6vw, 2.65rem);
  letter-spacing: 0.28em;
  color: #efd2b8;
}

.lead {
  max-width: 36rem;
  margin: 0 0 1.6rem;
  color: rgba(244, 231, 212, 0.78);
  font-size: 1.28rem;
  line-height: 1.75;
}

@media (min-width: 1081px) {
  .overture-copy,
  .copy-inner {
    overflow: visible;
  }

  /* 第一行自然排到「把」字处顶到右边后换行 */
  .lead {
    position: relative;
    z-index: 3;
    max-width: none;
    width: 38em;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.fan {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 600px;
  margin: 0 0 1.6rem;
  padding: 1.4rem 1rem 2.8rem;
  overflow: visible;
}

.fan-stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 640px;
  min-height: 480px;
}

.fan-orbit {
  position: absolute;
  inset: 8% 12% 14%;
  border: 1px dashed rgba(215, 181, 122, 0.22);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: orbitspin 28s linear infinite;
}

.fan-chip {
  position: absolute;
  z-index: 4;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(215, 181, 122, 0.35);
  border-radius: 999px;
  background: rgba(18, 8, 10, 0.82);
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  backdrop-filter: blur(8px);
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.fan-chip.c1 {
  top: 8%;
  left: 4%;
  animation: floaty 4.8s ease-in-out infinite;
}

.fan-chip.c2 {
  top: 4%;
  right: 6%;
  animation: floaty 5.4s ease-in-out infinite 0.4s;
}

.fan-chip.c3 {
  bottom: 18%;
  right: 2%;
  animation: floaty 5s ease-in-out infinite 0.8s;
}

.fan-plinth {
  position: relative;
  z-index: 1;
  width: min(78%, 420px);
  height: 18px;
  margin-top: -0.4rem;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.55), transparent 70%);
  box-shadow: 0 0 40px rgba(180, 35, 44, 0.28);
}

.fan::after {
  content: "";
  position: absolute;
  left: 16%;
  right: 16%;
  bottom: 12%;
  height: 42%;
  background: radial-gradient(ellipse at 50% 70%, rgba(180, 35, 44, 0.4), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.phone {
  position: relative;
  z-index: 1;
  width: 240px;
  margin: 0 -42px;
  flex-shrink: 0;
  padding: 10px 10px 8px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(215, 181, 122, 0.18), transparent 40%),
    linear-gradient(180deg, #3a1a1d, #12080a);
  box-shadow:
    0 0 0 1px rgba(215, 181, 122, 0.28),
    0 24px 48px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 236, 210, 0.12);
  transition: transform 0.45s var(--ease);
}

.phone img { border-radius: 20px; }

.phone figcaption {
  margin-top: 0.45rem;
  text-align: center;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.p-back { display: none; }

.p-left {
  z-index: 1;
  width: 230px;
  transform: rotate(-9deg) translateY(22px);
}

.p-main {
  z-index: 3;
  width: 270px;
  transform: rotate(2deg);
}

.p-right {
  z-index: 2;
  width: 230px;
  transform: rotate(9deg) translateY(22px);
}

.ribbon {
  grid-column: 1 / -1;
  position: relative;
  z-index: 2;
  margin-top: 0.4rem;
  border-block: 1px solid rgba(215, 181, 122, 0.18);
  background: rgba(180, 35, 44, 0.12);
  overflow: hidden;
  white-space: nowrap;
}

.ribbon-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
  font-family: var(--serif);
  letter-spacing: 0.18em;
  color: var(--gold);
  font-size: 0.95rem;
  padding: 0.7rem 0;
}

.ribbon-track span { padding-right: 2rem; }

.metrics {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  background: rgba(215, 181, 122, 0.16);
}

.metrics article {
  display: grid;
  gap: 0.15rem;
  padding: 1.4rem 1.1rem 1.5rem;
  background: var(--ink-2);
}

.metrics em {
  font-style: normal;
  color: var(--gold);
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.metrics b {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
}

.metrics span { color: var(--mute); font-size: 0.86rem; }

.section-mark {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1.6rem;
}

.section-mark span {
  font-family: var(--serif);
  color: var(--gold);
  letter-spacing: 0.22em;
}

.section-mark h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.4vw, 3.3rem);
  line-height: 1.15;
}

.section-mark p { margin: 0.4rem 0 0; color: var(--mute); max-width: 34rem; }
.section-mark.pale h2 { color: var(--cream); }

.stacks,
.gallery,
.thread,
.letters,
.errata {
  padding: clamp(2.4rem, 6vw, 4.4rem) clamp(1.2rem, 4vw, 3.2rem);
}

.shelf {
  display: flex;
  width: 100%;
  gap: 0;
  align-items: stretch;
  min-height: 380px;
  overflow: hidden;
  perspective: 900px;
  border: 1px solid rgba(215, 181, 122, 0.16);
}

.volume {
  display: grid;
  flex: 0 0 68px;
  grid-template-columns: 68px 0fr;
  min-height: 380px;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.45s var(--ease), grid-template-columns 0.45s var(--ease);
}

.volume.is-open {
  flex: 1 1 auto;
  grid-template-columns: 76px minmax(0, 1fr);
}

.book-spine {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.2rem 0.55rem;
  background: linear-gradient(180deg, #8d1a22, #4a0d12);
  color: var(--cream);
  writing-mode: vertical-rl;
  letter-spacing: 0.22em;
  font-size: 1.02rem;
}

.book-spine b {
  writing-mode: horizontal-tb;
  font-family: var(--serif);
  color: var(--gold);
}

.volume:nth-child(2) .book-spine { background: linear-gradient(180deg, #5c1520, #2a0b10); }
.volume:nth-child(3) .book-spine { background: linear-gradient(180deg, #9a2a1c, #54140f); }
.volume:nth-child(4) .book-spine { background: linear-gradient(180deg, #6e1830, #2e0c18); }
.volume:nth-child(5) .book-spine { background: linear-gradient(180deg, #7a1f16, #3a0e0c); }
.volume:nth-child(6) .book-spine { background: linear-gradient(180deg, #4f1624, #220910); }

.book-page {
  padding: 1.6rem 1.6rem 1.7rem;
  background: var(--paper);
  color: #2c1a16;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.book-page h3 {
  margin: 0 0 0.6rem;
  font-family: var(--serif);
  font-size: 1.4rem;
}

.book-page p { margin: 0; color: #6a4a3c; }

.stage {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
}

.deck {
  position: relative;
  height: 560px;
  perspective: 1400px;
}

.shot {
  position: absolute;
  inset: 40px auto auto 50%;
  width: min(280px, 64%);
  margin: 0;
  padding: 10px;
  border-radius: 26px;
  background: #1a0c0e;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
  transform: translateX(-50%) scale(0.78) rotateY(18deg);
  opacity: 0.35;
  transition: transform 0.55s var(--ease), opacity 0.55s var(--ease);
  cursor: zoom-in;
}

.shot img { border-radius: 18px; }

.shot figcaption {
  margin-top: 0.55rem;
  text-align: center;
  color: var(--gold);
  letter-spacing: 0.08em;
  font-size: 0.82rem;
}

.shot.is-active {
  z-index: 3;
  opacity: 1;
  transform: translateX(-50%) scale(1) rotateY(0deg);
}

.shot.is-prev {
  z-index: 2;
  opacity: 0.55;
  transform: translateX(-132%) scale(0.82) rotateY(28deg);
}

.shot.is-next {
  z-index: 2;
  opacity: 0.55;
  transform: translateX(32%) scale(0.82) rotateY(-28deg);
}

.shot:not(.is-active):not(.is-prev):not(.is-next) {
  opacity: 0;
  pointer-events: none;
}

.stage-btn {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(215, 181, 122, 0.35);
  border-radius: 50%;
  background: rgba(10, 6, 7, 0.5);
  font-size: 1.6rem;
  cursor: pointer;
}

.dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(215, 181, 122, 0.28);
  cursor: pointer;
}

.dots button.is-on { background: var(--gold); width: 22px; border-radius: 99px; }

.bind {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 2rem;
  margin: 0;
  padding: 0 0 0 1.4rem;
  list-style: none;
}

.bind::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(var(--wine), var(--gold));
}

.bind li { position: relative; padding: 0.2rem 0 0.4rem; }

.bind li::before {
  content: "";
  position: absolute;
  left: -1.52rem;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--wine);
  box-shadow: 0 0 0 4px rgba(180, 35, 44, 0.2);
}

.bind b {
  font-family: var(--serif);
  color: var(--gold);
  letter-spacing: 0.12em;
}

.bind h3 {
  margin: 0.2rem 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.4rem;
}

.bind p { margin: 0; color: var(--mute); }

.seal-block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  margin: 0 clamp(1.2rem, 4vw, 3.2rem);
  padding: clamp(2rem, 5vw, 3.2rem);
  border: 1px solid rgba(215, 181, 122, 0.2);
  background:
    radial-gradient(circle at 85% 50%, rgba(180, 35, 44, 0.28), transparent 40%),
    linear-gradient(135deg, #1a0b0e, #0d0708);
}

.seal-copy h2 {
  margin: 0.4rem 0 0.8rem;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

.seal-copy p { margin: 0 0 0.8rem; color: var(--mute); max-width: 34rem; }
.seal-meta { color: var(--gold) !important; letter-spacing: 0.08em; }

.wax {
  width: 168px;
  height: 168px;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #e25555, #8a151c 62%, #4a0b10);
  box-shadow:
    inset 0 8px 16px rgba(255, 220, 200, 0.18),
    0 18px 40px rgba(180, 35, 44, 0.45);
  transform: rotate(-8deg);
  animation: waxpulse 3.6s ease-in-out infinite;
}

.wax span {
  font-family: var(--serif);
  font-size: 2.6rem;
  line-height: 1;
}

.wax small {
  margin-top: 0.2rem;
  letter-spacing: 0.18em;
}

.mail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.note {
  padding: 1.15rem 1.15rem 1.2rem;
  color: #2c1a16;
  background: var(--paper);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.note header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.who { font-family: var(--serif); font-weight: 700; }
.note time { color: #8a5d3b; font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.note p { margin: 0; }

.n1 { transform: rotate(-1.4deg); }
.n2 { transform: rotate(1.1deg); margin-top: 1.4rem; }
.n3 { transform: rotate(-0.6deg); }
.n4 { transform: rotate(1.6deg); margin-top: 0.6rem; }
.n5 { transform: rotate(-1.1deg); }
.n6 { transform: rotate(0.8deg); margin-top: 1.2rem; }

.faq { display: grid; gap: 0.7rem; }

.faq details {
  border-bottom: 1px solid rgba(215, 181, 122, 0.18);
  padding: 0.15rem 0;
}

.faq summary {
  cursor: pointer;
  padding: 0.9rem 0;
  font-family: var(--serif);
  font-size: 1.15rem;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 0 0 1rem; color: var(--mute); }

.colophon {
  margin-left: var(--rail);
  padding: 2rem clamp(1.2rem, 4vw, 3.2rem) 5.6rem;
  border-top: 1px solid rgba(215, 181, 122, 0.16);
  color: var(--mute);
}

.colo-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  color: var(--cream);
}

.colo-brand img { width: 40px; height: 40px; border-radius: 10px; }
.colo-brand strong { display: block; font-family: var(--serif); }
.hot-search, .copy { font-size: 0.9rem; }

.dock {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  display: none;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  background: var(--wine);
  color: #fff;
  font-weight: 700;
}

.glass {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: rgba(6, 3, 4, 0.92);
}

.glass[hidden] { display: none !important; }
.glass img { max-height: 88vh; width: auto; border-radius: 18px; }

.glass-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 0.9rem;
  border: 0;
  border-radius: 999px;
  background: var(--cream);
  color: var(--ink);
  cursor: pointer;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes waxpulse {
  0%, 100% { transform: rotate(-8deg) scale(1); }
  50% { transform: rotate(-8deg) scale(1.04); }
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes orbitspin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 1080px) {
  .metrics, .mail, .bind { grid-template-columns: 1fr 1fr; }
  .overture {
    display: flex;
    flex-direction: column;
    min-height: auto;
    padding: 1.2rem 0 0;
  }
  .overture-copy {
    min-height: 0;
    display: block;
    padding: 0.6rem clamp(1rem, 4vw, 2rem) 1.2rem;
    background: linear-gradient(180deg, #12080a 70%, #12080a);
  }
  .copy-inner { width: 100%; }
  .fan {
    display: block;
    position: relative;
    z-index: 1;
    width: 100%;
    height: 420px;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #0a0607;
  }
  .fan-stage {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 0;
    max-width: none;
  }
  .fan-chip,
  .fan-orbit,
  .fan-plinth,
  .phone figcaption,
  .fan::after { display: none; }
  .phone {
    position: absolute;
    margin: 0;
    width: min(44%, 200px);
    padding: 10px;
  }
  .p-main {
    left: 24%;
    top: 8%;
    width: min(52%, 240px);
    transform: rotate(2deg);
  }
  .p-left {
    left: 2%;
    top: 16%;
    width: min(44%, 200px);
    transform: rotate(-12deg);
  }
  .p-right {
    left: auto;
    right: 2%;
    top: 18%;
    width: min(44%, 200px);
    transform: rotate(11deg);
  }
  .ribbon { margin-top: 0; }
  .vert-mark { display: none; }
  .seal-block { grid-template-columns: 1fr; justify-items: center; text-align: center; }
}

@media (max-width: 780px) {
  :root { --rail: 0px; }
  .spine { display: none; }
  .mast { margin-left: 0; }
  .main, main, .colophon { margin-left: 0; padding-left: 0; }
  .folio-nav {
    position: fixed;
    inset: 4.4rem 0 auto 0;
    display: none;
    flex-direction: column;
    padding: 1rem 1.2rem 1.2rem;
    background: rgba(10, 6, 7, 0.96);
    border-bottom: 1px solid rgba(215, 181, 122, 0.16);
  }
  .folio-nav.open { display: flex; }
  .mast .btn-wax { display: none; }
  .nav-latch { display: block; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics article { padding: 1rem 0.7rem 1.05rem; }
  .metrics b { font-size: clamp(1.15rem, 4.5vw, 1.45rem); }
  .metrics span { font-size: 0.75rem; }
  .mail, .bind { grid-template-columns: 1fr; }
  .shelf { overflow-x: auto; min-height: 380px; }
  .volume {
    flex: 0 0 260px;
    grid-template-columns: 58px minmax(200px, 1fr);
    min-width: 260px;
    min-height: 380px;
  }
  .volume.is-open { flex: 0 0 280px; }
  .n1, .n2, .n3, .n4, .n5, .n6 { transform: none; margin-top: 0; }
  .overture-copy { background: #12080a; }
  .fan { height: 360px; }
  .shot.is-prev, .shot.is-next { display: none; }
  .deck { height: 500px; }
  .dock { display: inline-flex; }
}

@media (prefers-reduced-motion: reduce) {
  .ribbon-track, .wax, .overture::before, .fan-chip, .fan-orbit { animation: none; }
  html { scroll-behavior: auto; }
}
