/* =====================================================
   Cosmic Travel Atlas — styles
   ===================================================== */

:root {
  color-scheme: dark;

  --bg: #05070a;
  --bg-2: #0a0e14;
  --panel: rgba(12, 16, 22, 0.68);
  --panel-strong: rgba(12, 16, 22, 0.86);
  --line: rgba(226, 238, 255, 0.14);
  --line-strong: rgba(226, 238, 255, 0.3);
  --ink: #f5f7fb;
  --muted: #aab3c0;
  --dim: #6e7886;

  --gold: #d8bd82;
  --gold-strong: #f0d698;
  --ice: #91c7ff;

  --c-solar: #91c7ff;
  --c-stellar: #f0d698;
  --c-inter: #7ad6c4;
  --c-exo: #e7a07a;
  --c-frontier: #9aa6ff;

  --ring: rgba(240, 214, 152, 0.55);
  --radius: 8px;
  --radius-lg: 14px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  --font-sans: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
.anchor-alias {
  display: block;
  position: relative;
  top: -80px;
  height: 0;
  pointer-events: none;
}

::selection { background: var(--gold); color: #15110a; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--gold);
  color: #15110a;
  font-weight: 700;
}
.skip-link:focus { left: 12px; top: 12px; }

.site-shell {
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(900px circle at 20% 0%, rgba(37, 77, 112, 0.22), transparent 70%),
    radial-gradient(800px circle at 80% 60%, rgba(216, 189, 130, 0.06), transparent 70%),
    linear-gradient(180deg, #05070a 0%, #0a0e14 60%, #07090d 100%);
}

.micro,
.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* =========== HERO =========== */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 18px;
  isolation: isolate;
  overflow: hidden;
}
.hero-media,
.hero-shade,
.hero-stars {
  position: absolute;
  inset: 0;
}
.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -3;
  filter: saturate(0.92) contrast(1.04);
}
.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.92) 0%, rgba(5, 7, 10, 0.55) 38%, rgba(5, 7, 10, 0.15) 70%, rgba(5, 7, 10, 0.5) 100%),
    radial-gradient(60% 80% at 80% 100%, rgba(5, 7, 10, 0.85), transparent 60%),
    linear-gradient(180deg, rgba(5, 7, 10, 0.45) 0%, rgba(5, 7, 10, 0.05) 50%, rgba(5, 7, 10, 0.95) 100%);
}
.hero-stars {
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* topbar */
.topbar {
  position: sticky;
  top: 12px;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(10, 13, 18, 0.45);
  backdrop-filter: blur(18px);
  transition: background 240ms var(--ease), border-color 240ms var(--ease);
}
.topbar.is-scrolled {
  background: rgba(8, 11, 16, 0.85);
  border-color: var(--line-strong);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}
.brand-mark {
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--gold-strong);
  border-radius: 999px;
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nav-links {
  justify-self: center;
  display: flex;
  gap: clamp(18px, 3vw, 48px);
  color: #b9c2ce;
  font-size: 13px;
}
.nav-links a {
  position: relative;
  padding: 6px 2px;
  transition: color 200ms var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

.nav-tail {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.nav-counter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.nav-counter em { color: var(--gold-strong); font-style: normal; font-weight: 600; }
.nav-counter b { color: var(--dim); font-weight: 500; }
.nav-counter i { color: var(--dim); font-style: normal; }
.nav-action {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 13px;
}

/* hero content */
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: 56px;
  max-width: 1380px;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 160px) 28px clamp(120px, 16vh, 200px);
  min-height: calc(100svh - 100px);
}
.hero-copy { max-width: 760px; }
.hero-title {
  margin: 22px 0 26px;
  color: #f8fbff;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero-title .line { display: block; }
.hero-title .line-2 { padding-left: clamp(0px, 4vw, 60px); }
.hero-title .line-3 { padding-left: clamp(0px, 2vw, 30px); }
.gold-stroke {
  background: linear-gradient(180deg, #f6e1a6 0%, #c39b53 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 560px;
  margin: 0;
  color: #c5ccd6;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}
.hero-meta {
  display: flex;
  gap: 36px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}
.hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta b {
  font-family: var(--font-serif);
  font-size: 40px;
  color: var(--gold-strong);
  line-height: 1;
}
.hero-meta span {
  font-size: 12px;
  color: var(--dim);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.hero-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  aspect-ratio: 5 / 6;
  max-width: 520px;
  justify-self: end;
  perspective: 1200px;
}
.hero-mosaic .m {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transition: transform 600ms var(--ease);
}
.hero-mosaic .m img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-mosaic .m-1 { transform: translateY(-8px) rotate(-1.5deg); }
.hero-mosaic .m-2 { transform: translateY(8px) rotate(1.5deg); }
.hero-mosaic .m-3 { transform: translateY(8px) rotate(-1deg); }
.hero-mosaic .m-4 { transform: translateY(-8px) rotate(1deg); }
.hero-mosaic:hover .m { transform: translateY(0) rotate(0); }

.hero-scroll-cue {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
}
.hero-scroll-cue i {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollCue 2.4s var(--ease) infinite;
}
@keyframes scrollCue {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =========== BUTTONS =========== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: var(--ring);
}
.button.primary {
  background: linear-gradient(180deg, #ecd9a9, #c3a467);
  color: #15110a;
  border-color: rgba(255, 255, 255, 0.18);
}
.button.ghost {
  background: rgba(8, 12, 18, 0.5);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--gold-strong);
  outline-offset: 3px;
}

/* =========== SECTIONS =========== */
.section {
  position: relative;
  max-width: 1380px;
  margin: 0 auto;
  padding: clamp(96px, 12vw, 160px) clamp(20px, 4vw, 64px);
}
.section + .section { padding-top: clamp(64px, 8vw, 120px); }
.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 4vw, 64px);
  right: clamp(20px, 4vw, 64px);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gold) 0 8px, transparent 8px 16px);
  opacity: 0.5;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 56px;
  max-width: 880px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(32px, 4.5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: #f6f9ff;
}
.section-lede {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* =========== §A CHAPTERS =========== */
.chapter-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.chapter-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 3 / 4;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  isolation: isolate;
  transition: transform 360ms var(--ease), border-color 360ms var(--ease);
}
.chapter-cover {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.chapter-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.55);
  transition: filter 600ms var(--ease), transform 800ms var(--ease);
}
.chapter-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 7, 10, 0.4) 0%, rgba(5, 7, 10, 0.05) 30%, rgba(5, 7, 10, 0.85) 100%);
}
.chapter-card:hover {
  transform: translateY(-4px);
  border-color: var(--cc, var(--ring));
}
.chapter-card:hover .chapter-cover img {
  filter: saturate(1) brightness(0.85);
  transform: scale(1.04);
}
.chapter-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chapter-range {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
}
.chapter-bottom {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.chapter-index {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--cc, var(--gold-strong));
  line-height: 1;
}
.chapter-card h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: #f6f9ff;
  letter-spacing: 0.02em;
}
.chapter-card h3::after {
  content: "";
  display: block;
  width: 28%;
  height: 1px;
  margin-top: 10px;
  background: var(--cc, var(--gold));
  transition: width 360ms var(--ease);
}
.chapter-card:hover h3::after { width: 100%; }
.chapter-arrow {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* =========== §B ROUTE TIMETABLE =========== */
.route-tabs {
  display: inline-flex;
  gap: 4px;
  max-width: 100%;
  overflow-x: auto;
  padding: 4px;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.route-tabs button {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}
.route-tabs button.is-active {
  background: var(--gold);
  color: #15110a;
  font-weight: 700;
}

.route-timeline {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px 0 8px;
}
.route-end {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.2em;
}
.route-track {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(120px, 1fr);
  gap: 0;
  align-items: center;
  padding: 56px 0;
}
.route-track::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}
.route-stop {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  border: 0;
  background: transparent;
}
.route-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--gold);
  border-radius: 999px;
  background: var(--bg);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}
.route-stop:hover .route-dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 6px rgba(216, 189, 130, 0.18);
}
.stop-card {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translate(-50%, 6px);
  width: 180px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 13, 18, 0.92);
  backdrop-filter: blur(12px);
  display: grid;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
  z-index: 5;
}
.route-stop:hover .stop-card,
.route-stop:focus-visible .stop-card {
  opacity: 1;
  transform: translate(-50%, 0);
}
.stop-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 4px;
}
.stop-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.stop-title {
  font-size: 12px;
  color: var(--ink);
  line-height: 1.3;
}

/* =========== §C PLATES =========== */
.plates-toolbar {
  position: sticky;
  top: 80px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 11, 16, 0.86);
  backdrop-filter: blur(18px);
}
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pill {
  min-height: 30px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}
.pill:hover { color: var(--ink); border-color: var(--line-strong); }
.pill.is-active {
  background: var(--cc, var(--gold));
  border-color: var(--cc, var(--gold));
  color: #15110a;
  font-weight: 700;
}
.toolbar-tail {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}
.search-box svg { width: 14px; height: 14px; }
.search-box input {
  width: 180px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  outline: none;
}
.result-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.1em;
}

.plate-collage {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 90px;
  grid-auto-flow: dense;
  gap: 14px;
}
.plate-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  cursor: pointer;
  isolation: isolate;
  outline: 0;
}
.plate-item.aspect-wide   { grid-column: span 6; grid-row: span 4; }
.plate-item.aspect-tall   { grid-column: span 4; grid-row: span 6; }
.plate-item.aspect-cinema { grid-column: span 12; grid-row: span 5; }
.plate-item.aspect-square { grid-column: span 4; grid-row: span 4; }

.plate-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease), filter 400ms var(--ease);
}
.plate-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cc, var(--gold));
  z-index: 2;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 360ms var(--ease);
}
.plate-num {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-strong);
  letter-spacing: 0.12em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}
.plate-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(5, 7, 10, 0) 30%, rgba(5, 7, 10, 0.9) 100%);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
.plate-overlay h3 {
  margin: 0;
  font-size: 18px;
  color: var(--gold-strong);
  font-weight: 600;
}
.plate-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.plate-intent {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.plate-expand {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10, 13, 18, 0.7);
  color: var(--gold-strong);
  font-size: 14px;
}
.plate-item:hover img,
.plate-item:focus-visible img { transform: scale(1.04); }
.plate-item:hover .plate-overlay,
.plate-item:focus-visible .plate-overlay { opacity: 1; transform: translateY(0); }
.plate-item:hover .plate-bar,
.plate-item:focus-visible .plate-bar { transform: scaleY(1); }

.empty-hint {
  margin: 60px auto;
  text-align: center;
  color: var(--muted);
}

/* =========== §E ARCHIVE =========== */
.archive-strip {
  display: grid;
  grid-template-columns: repeat(100, 1fr);
  gap: 2px;
  height: 14px;
  margin-bottom: 32px;
}
.archive-strip i {
  display: block;
  height: 100%;
  border-radius: 1px;
  opacity: 0.45;
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}
.archive-strip i.hot { opacity: 1; transform: scaleY(1.6); }

.archive-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
}
.archive-cell {
  position: relative;
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-2);
  overflow: hidden;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), z-index 0s;
}
.archive-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7);
  transition: filter 200ms var(--ease);
}
.archive-cell span {
  position: absolute;
  right: 4px;
  bottom: 2px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}
.archive-cell:hover,
.archive-cell.hot {
  z-index: 2;
  transform: scale(1.4);
  border-color: var(--cc, var(--gold));
}
.archive-cell:hover img,
.archive-cell.hot img { filter: saturate(1.1); }

/* =========== §F COLOPHON =========== */
.colophon-banner {
  position: relative;
  margin-bottom: 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/5;
  background: var(--bg-2);
}
.colophon-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}
.banner-tag {
  position: absolute;
  bottom: 24px;
  left: 28px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 7, 10, 0.7);
  backdrop-filter: blur(10px);
}
.banner-tag h2 {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--gold-strong);
}

.colophon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.colophon-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}
.colophon-grid h3 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold-strong);
}
.colophon-grid p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.colophon-grid p.en {
  color: var(--dim);
  font-size: 13px;
  font-style: italic;
}
.colophon-grid p.meta {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.08em;
}
.swatches {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.swatches li {
  display: grid;
  grid-template-columns: 28px auto;
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
}
.swatches li span {
  grid-row: 1 / span 2;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.swatches li b {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
}
.swatches li i {
  font-style: normal;
  font-size: 11px;
  color: var(--dim);
}
.links {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: grid;
  gap: 10px;
}
.links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ice);
  font-size: 13px;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}
.links a:hover { border-color: var(--ice); }

/* =========== §D READER =========== */
.reader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 300ms var(--ease), visibility 0s 300ms;
}
.reader[aria-hidden="false"] {
  visibility: visible;
  opacity: 1;
  transition: opacity 300ms var(--ease);
}
.reader-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 3, 6, 0.92);
  backdrop-filter: blur(24px);
}
.reader-shell {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(1480px, 96vw);
  height: min(96vh, 980px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(8, 11, 16, 0.78);
  overflow: hidden;
}
.reader-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}
.reader-num {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--cc, var(--gold-strong));
  letter-spacing: 0.05em;
}
.reader-nav {
  display: inline-flex;
  gap: 8px;
}
.reader-nav button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 16px;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}
.reader-nav button:hover { border-color: var(--ring); background: rgba(255, 255, 255, 0.08); }

.reader-body {
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 0;
}
.reader-figure {
  margin: 0;
  display: grid;
  place-items: center;
  background: #03040680;
  padding: 24px;
  min-height: 0;
}
.reader-figure img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
}
.reader-info {
  padding: 28px;
  border-left: 1px solid var(--line);
  overflow-y: auto;
}
.reader-info h3 {
  margin: 8px 0 16px;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}
.reader-intent {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.prompt-drawer {
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
}
.prompt-drawer summary {
  padding: 12px 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
  cursor: pointer;
  font-family: var(--font-mono);
  list-style: none;
}
.prompt-drawer summary::-webkit-details-marker { display: none; }
.prompt-drawer pre {
  margin: 0;
  padding: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: #d6dde7;
  white-space: pre-wrap;
  max-height: 240px;
  overflow-y: auto;
}
.copy-btn {
  display: block;
  width: 100%;
  margin: 0;
  padding: 10px;
  border: 0;
  border-top: 1px solid var(--line);
  background: rgba(216, 189, 130, 0.08);
  color: var(--gold-strong);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.copy-btn:hover { background: rgba(216, 189, 130, 0.18); }

.reader-meta {
  display: grid;
  gap: 14px;
  margin: 0;
}
.reader-meta div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.reader-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.reader-meta dd {
  margin: 0;
  font-size: 13px;
  color: var(--ink);
  line-height: 1.6;
}
.tag-chip {
  display: inline-block;
  margin: 0 6px 4px 0;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  color: var(--muted);
}

.reader-strip {
  display: flex;
  gap: 10px;
  padding: 14px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.4);
}
.strip-thumb {
  position: relative;
  flex: 0 0 auto;
  width: 80px;
  height: 56px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-2);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}
.strip-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.strip-thumb span {
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 1px #000;
}
.strip-thumb.is-on {
  transform: scale(1.08);
  border-color: var(--cc, var(--gold-strong));
  box-shadow: 0 0 0 2px rgba(240, 214, 152, 0.25);
}

/* =========== TOAST =========== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translate(-50%, 20px);
  padding: 12px 22px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: rgba(10, 13, 18, 0.96);
  color: var(--gold-strong);
  font-size: 13px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}
.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* =========== FOOTER =========== */
.site-footer {
  padding: 40px 28px 60px;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
}
.site-footer p { margin: 6px 0; }
.kbd-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  margin: 0 2px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

/* =========== REVEAL =========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* =========== RESPONSIVE =========== */
@media (max-width: 1280px) {
  .chapter-cards { grid-template-columns: repeat(3, 1fr); }
  .plate-collage { grid-template-columns: repeat(8, 1fr); }
  .plate-item.aspect-wide   { grid-column: span 4; grid-row: span 4; }
  .plate-item.aspect-tall   { grid-column: span 4; grid-row: span 6; }
  .plate-item.aspect-cinema { grid-column: span 8; grid-row: span 4; }
  .plate-item.aspect-square { grid-column: span 4; grid-row: span 4; }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-mosaic { max-width: 460px; justify-self: start; }
  .topbar { grid-template-columns: 1fr auto; }
  .nav-links {
    grid-row: 2;
    grid-column: 1 / -1;
    justify-self: stretch;
    display: flex;
    gap: 18px;
    overflow-x: auto;
    padding: 2px 2px 0;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .reader-body { grid-template-columns: 1fr; }
  .reader-info { border-left: 0; border-top: 1px solid var(--line); max-height: 280px; }
  .reader-shell { height: 100vh; width: 100vw; border-radius: 0; border: 0; }
  .colophon-grid { grid-template-columns: 1fr; }
  .archive-grid { grid-template-columns: repeat(8, 1fr); }
  .archive-strip {
    grid-template-columns: repeat(100, minmax(1px, 1fr));
    gap: 1px;
    height: 16px;
  }
}

@media (max-width: 768px) {
  .chapter-cards { grid-template-columns: repeat(2, 1fr); }
  .chapter-card:nth-child(5) { grid-column: span 2; aspect-ratio: 16/9; }
  .plate-collage { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 70px; }
  .plate-item.aspect-wide   { grid-column: span 4; grid-row: span 3; }
  .plate-item.aspect-tall   { grid-column: span 4; grid-row: span 5; }
  .plate-item.aspect-cinema { grid-column: span 4; grid-row: span 3; }
  .plate-item.aspect-square { grid-column: span 2; grid-row: span 4; }
  .hero-meta { gap: 22px; }
  .hero-meta b { font-size: 28px; }
  .plates-toolbar {
    border-radius: 16px;
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar-tail { justify-content: space-between; }
  .search-box input { width: 100%; }
  .archive-grid { grid-template-columns: repeat(6, 1fr); }
  .route-track { grid-auto-columns: 70px; overflow-x: auto; }
  .colophon-banner { aspect-ratio: 4/3; }
  .reader-info h3 { font-size: 22px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 38px; }
  .topbar { gap: 12px; padding: 10px 12px; }
  .brand-status { letter-spacing: 0.08em; }
  .nav-tail { gap: 8px; }
  .nav-counter { display: none; }
  .nav-action { min-height: 34px; padding: 0 12px; }
  .archive-grid { grid-template-columns: repeat(5, 1fr); }
  .plate-collage { grid-template-columns: repeat(2, 1fr); }
  .plate-item.aspect-wide,
  .plate-item.aspect-tall,
  .plate-item.aspect-cinema,
  .plate-item.aspect-square {
    grid-column: span 2; grid-row: span 3;
  }
  .plate-item.aspect-square { grid-row: span 4; }
  .swatches { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ================================================================
   ★ COSMIC POLISH LAYER · v2 ★
   滚动进度 · 鼠标星光 · 颗粒底纹 · 章节水印 · 轨道环 · 电影定位角
   ================================================================ */

/* --- 顶部滚动进度（金色线） --- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 300;
  background: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}
.scroll-progress i {
  display: block;
  width: var(--p, 0%);
  height: 100%;
  background: linear-gradient(90deg, #91c7ff 0%, #f0d698 50%, #e7a07a 100%);
  box-shadow: 0 0 12px rgba(240, 214, 152, 0.6);
  transition: width 80ms linear;
}

/* --- 鼠标星光（hero 内可见） --- */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(145, 199, 255, 0.16), rgba(240, 214, 152, 0.06) 40%, transparent 72%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 320ms var(--ease);
}
.cursor-glow.is-on { opacity: 1; }

/* --- 全局颗粒（极淡，提胶片质感） --- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 250;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* --- 顶导：状态指示 --- */
.brand { align-items: center; }
.brand-text { display: inline-flex; flex-direction: column; line-height: 1.05; }
.brand-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--dim);
}
.brand-status em {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6ee7a3;
  box-shadow: 0 0 8px #6ee7a3;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

/* --- Hero mosaic：轨道环装饰 --- */
.hero-mosaic { position: relative; }
.orbit-rings {
  position: absolute;
  inset: -8% -10% -8% -8%;
  pointer-events: none;
  z-index: -1;
}
.orbit-rings .ring {
  position: absolute;
  border: 1px dashed rgba(216, 189, 130, 0.22);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.orbit-rings .r1 { width: 60%; aspect-ratio: 1; animation: spin 60s linear infinite; }
.orbit-rings .r2 { width: 86%; aspect-ratio: 1; border-color: rgba(145, 199, 255, 0.16); animation: spin 110s linear infinite reverse; }
.orbit-rings .r3 { width: 112%; aspect-ratio: 1; border-color: rgba(154, 166, 255, 0.12); animation: spin 180s linear infinite; }
.orbit-rings .planet {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--gold-strong);
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(240, 214, 152, 0.7);
  top: 50%; left: 50%;
  transform-origin: -130px center;
  animation: orbit 22s linear infinite;
}
.orbit-rings .moon {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--ice);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(145, 199, 255, 0.6);
  top: 50%; left: 50%;
  transform-origin: 180px center;
  animation: orbit 38s linear infinite reverse;
}
@keyframes orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* --- Hero mosaic：胶片标签 --- */
.hero-mosaic .m { position: relative; }
.hero-mosaic .m figcaption {
  position: absolute;
  left: 8px; bottom: 8px;
  padding: 3px 8px;
  background: rgba(5, 7, 10, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(240, 214, 152, 0.25);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--gold-strong);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 280ms var(--ease), transform 280ms var(--ease);
}
.hero-mosaic:hover .m figcaption { opacity: 1; transform: translateY(0); }

/* --- 章节大水印数字 --- */
.section { overflow: hidden; }
.section-head { position: relative; }
.section-head::after {
  content: attr(data-roman);
  position: absolute;
  top: -36px;
  right: -8px;
  font-family: var(--font-serif);
  font-size: clamp(120px, 18vw, 240px);
  font-weight: 700;
  line-height: 0.8;
  color: rgba(240, 214, 152, 0.04);
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}
.section-head > * { position: relative; z-index: 1; }

/* 自动从 .micro 注入 roman（兼容方案：单独写一组） */
.chapters-section .section-head::after { content: "I"; }
.routes-section   .section-head::after { content: "I"; }
.plates-section   .section-head::after { content: "II"; }
.archive-section  .section-head::after { content: "III"; }
.colophon-section .section-head::after { display: none; }

/* --- 节标题渐显金光 --- */
.section-head h2 {
  background: linear-gradient(180deg, #ffffff 0%, #cfd6e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-head h2 em {
  font-style: normal;
  background: linear-gradient(180deg, #f6e1a6 0%, #c39b53 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --- 节分隔点缀（替换原 dotted line 为更精致版本） --- */
.section::before {
  background: linear-gradient(90deg,
    transparent 0,
    rgba(240, 214, 152, 0.45) 12%,
    rgba(240, 214, 152, 0.12) 50%,
    rgba(145, 199, 255, 0.45) 88%,
    transparent 100%);
  height: 1px;
  opacity: 1;
}
.section::after {
  content: "";
  position: absolute;
  top: -6px;
  left: clamp(20px, 4vw, 64px);
  width: 12px; height: 12px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 12px rgba(240, 214, 152, 0.4);
}

/* --- 章节卡：星座叠层 + 角标 --- */
.chapter-card {
  background:
    radial-gradient(120% 60% at 50% 100%, rgba(0,0,0,0.55), transparent 70%),
    var(--bg-2);
}
.chapter-card::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid transparent;
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(240,214,152,0.0), rgba(240,214,152,0.18), rgba(145,199,255,0.0)) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 360ms var(--ease);
  z-index: 1;
}
.chapter-card:hover::before { opacity: 1; }

/* 卡角的"机舱铆钉" */
.chapter-card .chapter-top::before,
.chapter-card .chapter-top::after {
  content: "";
  position: absolute;
  top: 8px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cc, var(--gold));
  opacity: 0.5;
}
.chapter-card .chapter-top::before { left: 8px; }
.chapter-card .chapter-top::after  { right: 8px; }

/* --- 路线 timeline：星轨 + 行进光点 --- */
.route-track::before {
  background: linear-gradient(90deg,
    transparent,
    rgba(240, 214, 152, 0.5) 18%,
    rgba(145, 199, 255, 0.5) 50%,
    rgba(154, 166, 255, 0.5) 82%,
    transparent);
  height: 2px;
  filter: drop-shadow(0 0 6px rgba(240, 214, 152, 0.4));
}
.route-track::after {
  content: "";
  position: absolute;
  top: calc(50% - 4px);
  left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold-strong);
  box-shadow: 0 0 16px var(--gold-strong);
  animation: traverse 6s var(--ease) infinite;
  pointer-events: none;
}
@keyframes traverse {
  0%   { left: 2%;  opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: 98%; opacity: 0; }
}
.route-dot {
  background: linear-gradient(180deg, #1c2230, #05070a);
}
.route-stop:hover .route-dot {
  background: var(--gold-strong);
  border-color: var(--gold-strong);
}

/* --- 图集 plate：电影定位角标 --- */
.plate-item::before,
.plate-item::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid rgba(240, 214, 152, 0.6);
  z-index: 4;
  pointer-events: none;
  opacity: 0;
  transition: opacity 280ms var(--ease), transform 280ms var(--ease);
}
.plate-item::before {
  top: 8px; left: 8px;
  border-right: 0; border-bottom: 0;
  transform: translate(-4px, -4px);
}
.plate-item::after {
  bottom: 8px; right: 8px;
  border-left: 0; border-top: 0;
  transform: translate(4px, 4px);
}
.plate-item:hover::before,
.plate-item:hover::after,
.plate-item:focus-visible::before,
.plate-item:focus-visible::after {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- 按钮金色光斑 --- */
.button.primary {
  position: relative;
  overflow: hidden;
}
.button.primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.55) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 700ms var(--ease);
}
.button.primary:hover::after { transform: translateX(120%); }

/* --- 工具栏：当前数字胶片感 --- */
.plates-toolbar {
  background:
    linear-gradient(90deg, rgba(240, 214, 152, 0.04), transparent 30%, transparent 70%, rgba(145, 199, 255, 0.04)),
    rgba(8, 11, 16, 0.86);
}

/* --- 路线 tabs 激活态发光 --- */
.route-tabs button.is-active {
  box-shadow: 0 0 0 1px rgba(240, 214, 152, 0.3), 0 0 24px rgba(240, 214, 152, 0.25);
}

/* --- archive-cell：金色编号徽章 --- */
.archive-cell span {
  background: rgba(5, 7, 10, 0.7);
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid rgba(240, 214, 152, 0.3);
}

/* --- Reader 顶部：增加章节色光晕 --- */
.reader-shell::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cc, var(--gold-strong));
  box-shadow: 0 0 24px var(--cc, var(--gold-strong));
  z-index: 5;
}

/* --- 滚动到顶部按钮（fixed） --- */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 80;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(10, 13, 18, 0.85);
  backdrop-filter: blur(10px);
  color: var(--gold-strong);
  font-family: var(--font-mono);
  font-size: 16px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease), border-color 200ms var(--ease);
}
.to-top.is-on { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { border-color: var(--gold); }

@media (max-width: 768px) {
  .cursor-glow { display: none; }
  .orbit-rings { display: none; }
  .section-head::after { font-size: 96px; top: -16px; }
}

/* ================================================================
   ★ COSMIC POLISH LAYER · v3 — 护城河细节 ★
   HUD · 自定义十字光标 · 登机牌阅读器 · 星座分隔 · 计数器 · shimmer
   ================================================================ */

/* --- 飞行 HUD（hero 右下角） --- */
.hero-hud {
  position: absolute;
  right: clamp(20px, 4vw, 56px);
  bottom: clamp(72px, 12vh, 120px);
  z-index: 3;
  display: grid;
  gap: 6px;
  min-width: 240px;
  padding: 14px 16px;
  border: 1px solid rgba(240, 214, 152, 0.22);
  border-radius: 6px;
  background: rgba(5, 7, 10, 0.6);
  backdrop-filter: blur(14px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(240, 214, 152, 0.04);
}
.hero-hud::before {
  content: "FLIGHT TELEMETRY · v2.6";
  display: block;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(240, 214, 152, 0.2);
  color: var(--gold);
  font-size: 9px;
  letter-spacing: 0.22em;
}
.hud-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: baseline;
}
.hud-row b { color: var(--dim); font-weight: 500; }
.hud-row span { color: var(--ink); }
.hud-row .hud-ok {
  color: #6ee7a3;
  text-shadow: 0 0 10px rgba(110, 231, 163, 0.4);
}
@media (max-width: 1024px) {
  .hero-hud { display: none; }
}

/* HUD 折叠态：默认仅显示一根标签条，悬停（或键盘聚焦内）展开 */
.hero-hud.is-collapsed { padding: 10px 14px; gap: 0; min-width: 0; }
.hero-hud.is-collapsed::before { display: none; }
.hud-handle {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em;
  color: var(--gold); text-transform: uppercase;
  cursor: default;
}
.hud-handle b { font-weight: 600; }
.hud-handle i { color: var(--dim); font-style: normal; font-size: 9px; letter-spacing: 0.18em; }
.hud-rows {
  display: grid; gap: 6px;
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .35s ease, opacity .25s ease, margin-top .35s ease;
  margin-top: 0;
}
.hero-hud.is-collapsed:hover .hud-rows,
.hero-hud.is-collapsed:focus-within .hud-rows {
  max-height: 240px; opacity: 1; margin-top: 10px;
}
.hero-hud.is-collapsed:hover,
.hero-hud.is-collapsed:focus-within {
  padding: 14px 16px;
}

/* --- 自定义十字光标（仅 pointer:fine） --- */
.cursor-cross {
  position: fixed;
  top: 0; left: 0;
  width: 0; height: 0;
  z-index: 400;
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 200ms var(--ease);
  mix-blend-mode: difference;
}
.cursor-cross.is-on { opacity: 1; }
.cc-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 28px; height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 200ms var(--ease), height 200ms var(--ease), border-color 200ms var(--ease);
}
.cc-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 4px; height: 4px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-cross.is-hover .cc-ring {
  width: 56px; height: 56px;
  border-color: rgba(240, 214, 152, 0.95);
}
.cursor-cross.is-hover::before,
.cursor-cross.is-hover::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: rgba(240, 214, 152, 0.85);
}
.cursor-cross.is-hover::before { width: 1px; height: 16px; transform: translate(-50%, -50%); }
.cursor-cross.is-hover::after  { width: 16px; height: 1px; transform: translate(-50%, -50%); }

@media (pointer: coarse) {
  .cursor-cross { display: none; }
}

/* --- Hero Title 字符滚入 --- */
.hero-title .line { overflow: hidden; }
.hero-title .line > * { display: inline-block; }
.hero-title .line-1 { animation: rise 900ms var(--ease) 100ms both; }
.hero-title .line-2 { animation: rise 900ms var(--ease) 220ms both; }
.hero-title .line-3 { animation: rise 900ms var(--ease) 340ms both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(40%); filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* --- Hero meta：数字描边 --- */
.hero-meta b {
  position: relative;
  text-shadow: 0 0 30px rgba(240, 214, 152, 0.25);
}
.hero-meta li {
  position: relative;
  padding-left: 14px;
}
.hero-meta li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(240, 214, 152, 0.6);
}

/* --- 星座分隔（章节之间装饰） --- */
.section + .section::before {
  background: none;
}
.section + .section::after {
  content: "✦ · · · · ✦";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: auto; height: auto;
  border: 0;
  background: var(--bg);
  padding: 0 18px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: rgba(240, 214, 152, 0.35);
  box-shadow: none;
  border-radius: 0;
}

/* --- 图集卡：胶片齿孔（顶/底沿） --- */
.plate-item {
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box;
}
.plate-item .plate-overlay::before {
  content: "";
  position: absolute;
  top: -10px; left: 0; right: 0;
  height: 8px;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.7) 30%, transparent 32%);
  background-size: 14px 8px;
  background-repeat: repeat-x;
  opacity: 0.7;
}

/* --- 图集：长宽比徽章 --- */
.plate-item[class*="aspect-"]::before {
  /* keep prior corner-mark */
}
.plate-item .plate-num::after {
  content: " · " attr(data-aspect);
}

/* --- 图片加载微光（shimmer） --- */
.plate-item,
.archive-cell,
.hero-mosaic .m,
.chapter-cover {
  position: relative;
}
.plate-item::after { /* re-defined below to coexist with corner mark */ }
.shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    transparent 0%,
    rgba(255, 255, 255, 0.04) 30%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(255, 255, 255, 0.04) 70%,
    transparent 100%);
  background-size: 200% 100%;
  background-position: 100% 0;
  animation: shimmer 1.6s linear infinite;
  pointer-events: none;
  z-index: 1;
}
.shimmer.is-off { opacity: 0; transition: opacity 380ms var(--ease); }
@keyframes shimmer {
  to { background-position: -100% 0; }
}

/* --- 图片渐显 --- */
img.is-loading { opacity: 0; }
img.is-loaded {
  opacity: 1;
  transition: opacity 420ms var(--ease);
}

/* --- Reader：登机牌穿孔 + 票根 --- */
.reader-shell {
  background:
    radial-gradient(circle at 0 50%, transparent 8px, rgba(8,11,16,0.78) 8.5px),
    radial-gradient(circle at 100% 50%, transparent 8px, rgba(8,11,16,0.78) 8.5px),
    rgba(8, 11, 16, 0.78);
}
.reader-info {
  position: relative;
  background:
    linear-gradient(180deg, rgba(240, 214, 152, 0.04), transparent 30%),
    transparent;
}
.reader-info::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background-image: linear-gradient(180deg, transparent 0 6px, var(--line-strong) 6px 12px);
  background-size: 1px 12px;
  background-repeat: repeat-y;
}
.reader-info::after {
  content: "存根 · STUB · COSMIC ATLAS";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--cc, var(--gold));
  opacity: 0.7;
}

/* --- Reader 内：宫格小数据条 --- */
.reader-meta div {
  position: relative;
  padding-left: 10px;
}
.reader-meta div::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 2px; height: 14px;
  background: var(--cc, var(--gold));
  border-radius: 2px;
  opacity: 0.6;
}

/* --- 章节卡：渐入数字光晕 --- */
.chapter-card .chapter-index {
  position: relative;
  text-shadow: 0 0 24px rgba(240, 214, 152, 0);
  transition: text-shadow 360ms var(--ease);
}
.chapter-card:hover .chapter-index {
  text-shadow: 0 0 24px var(--cc, rgba(240, 214, 152, 0.6));
}

/* --- 自定义滚动条（深空感） --- */
* { scrollbar-width: thin; scrollbar-color: rgba(240, 214, 152, 0.25) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: rgba(5, 7, 10, 0.4); }
*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(240, 214, 152, 0.35), rgba(145, 199, 255, 0.25));
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(240, 214, 152, 0.6), rgba(145, 199, 255, 0.45));
  background-clip: padding-box;
  border: 2px solid transparent;
}

/* --- 阅读器图：缓慢呼吸式 Ken Burns --- */
.reader[aria-hidden="false"] .reader-figure img {
  animation: kenburns 18s var(--ease) infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1) translate(0, 0); }
  to   { transform: scale(1.04) translate(-1%, -0.6%); }
}

/* --- Toast 升级：加金边光晕 --- */
.toast.is-on {
  box-shadow: 0 0 0 1px rgba(240, 214, 152, 0.18), 0 12px 40px rgba(240, 214, 152, 0.12);
}

/* --- footer：登机存根条 --- */
.site-footer {
  position: relative;
  background:
    radial-gradient(80% 100% at 50% 0%, rgba(240, 214, 152, 0.04), transparent 70%);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background-image: radial-gradient(circle, var(--bg) 28%, transparent 30%);
  background-size: 14px 6px;
  background-repeat: repeat-x;
  background-position: center top;
}

/* --- 仅当自定义光标启用时隐藏原生 cursor --- */
body.cursor-on,
body.cursor-on a,
body.cursor-on button,
body.cursor-on .pill,
body.cursor-on .plate-item,
body.cursor-on .archive-cell,
body.cursor-on .chapter-card,
body.cursor-on .route-stop,
body.cursor-on .strip-thumb,
body.cursor-on summary,
body.cursor-on input { cursor: none; }

/* ================================================================
   ★ COSMIC POLISH LAYER · v4 — 反俗套 · 编辑化 ★
   书脊 · 首字花体 · 标题嵌字 · HUD 双语 · 数字滚动 · 磁吸 · 章节脚注
   ================================================================ */

/* --- 左侧书脊（vertical spine） --- */
.book-spine {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  width: 26px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg,
    rgba(8, 11, 16, 0.72) 0%,
    rgba(8, 11, 16, 0.4) 50%,
    rgba(8, 11, 16, 0.72) 100%);
  backdrop-filter: blur(10px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--dim);
  pointer-events: none;
}
.book-spine::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(240, 214, 152, 0.25) 30%, rgba(145, 199, 255, 0.2) 70%, transparent);
}
.spine-tag {
  position: relative;
  padding: 6px 0;
  background: var(--bg);
  color: var(--gold);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.spine-tag em {
  font-style: normal;
  color: var(--gold-strong);
}
.spine-title {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.5em;
  color: #b9c2ce;
  font-size: 9px;
}
@media (max-width: 1024px) { .book-spine { display: none; } }

/* 给页面让出书脊宽度 */
@media (min-width: 1025px) {
  body { padding-left: 26px; }
  .topbar { /* sticky 仍随 main 滚动，无需调整 */ }
  .scroll-progress { left: 26px; }
  .cursor-glow,
  .cursor-cross { /* fixed 已基于 viewport，不调整以避免错位 */ }
}

/* --- 首字花体（drop cap） --- */
.with-dropcap p:first-of-type { position: relative; }
.dropcap {
  float: left;
  margin: 6px 12px 0 0;
  padding: 4px 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 64px;
  line-height: 0.85;
  background: linear-gradient(180deg, #f6e1a6 0%, #c39b53 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  border-right: 1px solid rgba(240, 214, 152, 0.25);
  text-shadow: 0 0 30px rgba(240, 214, 152, 0.18);
}

/* --- 标题里的嵌字（em 高亮，金色衬体） --- */
.section-head h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  background: linear-gradient(180deg, #f6e1a6 0%, #c39b53 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 0 4px;
}

/* 标题尺寸更克制、行距更书卷 */
.section-head h2 {
  line-height: 1.12;
  letter-spacing: -0.005em;
}

/* --- HUD：双栏 + 第三列副注 --- */
.hud-row {
  grid-template-columns: 38px 1fr auto;
}
.hud-row b {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--gold);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.05em;
}
.hud-row span { font-family: var(--font-mono); }
.hud-row i {
  font-style: normal;
  color: var(--dim);
  font-size: 9px;
  letter-spacing: 0.18em;
}
.hero-hud::before {
  content: "影印自《漫游手册》第一卷 · 扉页";
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0.04em;
  font-size: 11px;
  color: var(--gold);
}

/* --- 主按钮：箭头单独动 --- */
.button.primary { gap: 10px; }
.button.primary i {
  font-style: normal;
  display: inline-block;
  transition: transform 280ms var(--ease);
}
.button.primary:hover i { transform: translate(4px, -4px) rotate(-12deg); }

/* --- Hero meta 数字：等宽 tabular --- */
.hero-meta b {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* --- 正在浏览的章节小标签（顶部出现） --- */
.now-reading {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translate(-50%, -120%);
  z-index: 95;
  padding: 6px 14px;
  border: 1px solid rgba(240, 214, 152, 0.3);
  border-radius: 999px;
  background: rgba(8, 11, 16, 0.85);
  backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold-strong);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
.now-reading.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}
.now-reading::before {
  content: "正在阅读 · ";
  color: var(--dim);
  margin-right: 4px;
}

/* --- 章节卡：磁吸位移变量 --- */
.chapter-card {
  transform: translate3d(var(--mx, 0), var(--my, 0), 0);
}
.chapter-card:hover {
  /* 保留 hover translateY，但与磁吸合成 */
  transform: translate3d(var(--mx, 0), calc(var(--my, 0) - 4px), 0);
}

/* --- Footer：尾韵 --- */
.footer-mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.16em;
  margin-bottom: 14px !important;
}
.site-footer {
  padding-top: 60px;
}

/* --- 把 hero-scroll-cue 的箭头改为细线 + 文案次序 --- */
.hero-scroll-cue {
  flex-direction: column-reverse;
}
.hero-scroll-cue span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

/* --- 章节卡顶端 micro 改成英文+中文短语（CSS 不能拼装；只调整字体） --- */
.chapter-top .micro {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.06em;
  font-size: 12px;
  text-transform: none;
  color: var(--gold);
}

/* --- 在主图集上方加一句小注脚（::before on plate-collage container） --- */
.plates-section::after {
  content: "翻动这面墙时，鼠标会变成一只取景框。";
  display: block;
  margin: 28px auto 0;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.05em;
  position: static;
  border: 0;
  background: none;
  width: auto;
  height: auto;
  box-shadow: none;
  border-radius: 0;
  top: auto;
  left: auto;
}

/* --- prompt drawer summary 字体雅化 --- */
.prompt-drawer summary {
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0.06em;
  font-size: 13px;
  text-transform: none;
}

/* ================================================================
   PERFORMANCE LAYER
   大图、长页面与移动端绘制降压
   ================================================================ */

@supports (content-visibility: auto) {
  .routes-section,
  .archive-section,
  .colophon-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 960px;
  }

  .plate-collage {
    content-visibility: auto;
    contain-intrinsic-size: auto 1680px;
  }

  .archive-grid {
    content-visibility: auto;
    contain-intrinsic-size: auto 920px;
  }

  .colophon-section { contain-intrinsic-size: auto 720px; }
}

.hero-mosaic .m,
.chapter-card,
.plate-item,
.archive-cell,
.strip-thumb,
.colophon-banner,
.reader-figure,
.reader-info,
.stop-card {
  contain: layout paint style;
}

.chapter-cover,
.chapter-cover img,
.plate-item img,
.archive-cell img,
.strip-thumb img,
.stop-card img,
.colophon-banner img,
.hero-mosaic .m img {
  inline-size: 100%;
  block-size: 100%;
}

.chapter-cover img,
.plate-item img,
.archive-cell img,
.strip-thumb img,
.stop-card img,
.colophon-banner img,
.hero-mosaic .m img {
  backface-visibility: hidden;
}

.plate-item,
.archive-cell,
.strip-thumb,
.chapter-card {
  transform-origin: center;
}

.archive-cell,
.strip-thumb {
  min-inline-size: 0;
  min-block-size: 0;
}

@media (hover: none), (pointer: coarse) {
  .archive-cell:hover,
  .archive-cell.hot {
    transform: none;
  }

  .chapter-card:hover,
  .plate-item:hover img,
  .plate-item:focus-visible img,
  .hero-mosaic:hover .m {
    transform: none;
  }

  .chapter-card:hover .chapter-cover img {
    transform: none;
  }
}

@media (max-width: 768px) {
  .grain,
  .cursor-glow,
  .cursor-cross,
  .orbit-rings {
    display: none;
  }

  .topbar,
  .plates-toolbar,
  .stop-card,
  .banner-tag,
  .to-top,
  .now-reading,
  .hero-mosaic .m figcaption {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .topbar,
  .plates-toolbar,
  .now-reading {
    background: rgba(8, 11, 16, 0.94);
  }

  .reader-backdrop {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(2, 3, 6, 0.96);
  }

  .hero-media,
  .chapter-cover img,
  .archive-cell img,
  .colophon-banner img {
    filter: none;
  }

  .route-track::before {
    filter: none;
  }

  .route-track::after,
  .hero-scroll-cue i,
  .shimmer,
  .reader[aria-hidden="false"] .reader-figure img {
    animation: none;
  }

  .shimmer {
    background: rgba(255, 255, 255, 0.04);
  }

  .reader-figure img {
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5);
  }

  .hero-mosaic .m {
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.42);
  }
}

@media (max-width: 480px) {
  .plate-overlay,
  .chapter-cover img,
  .archive-cell img {
    transition-duration: 160ms;
  }

  .archive-strip i.hot {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-iteration-count: 1 !important;
  }

  .brand-mark,
  .brand-status em,
  .hero-scroll-cue i,
  .orbit-rings .ring,
  .orbit-rings .planet,
  .orbit-rings .moon,
  .route-track::after,
  .shimmer,
  .reader[aria-hidden="false"] .reader-figure img,
  .hero-title .line-1,
  .hero-title .line-2,
  .hero-title .line-3 {
    animation: none !important;
  }

  .chapter-card,
  .chapter-card:hover,
  .plate-item:hover img,
  .plate-item:focus-visible img,
  .archive-cell:hover,
  .archive-cell.hot,
  .strip-thumb.is-on,
  .button:hover,
  .button:focus-visible {
    transform: none !important;
  }

  .cursor-glow,
  .cursor-cross,
  .orbit-rings {
    display: none;
  }

  .reader-backdrop,
  .topbar,
  .plates-toolbar,
  .to-top,
  .now-reading {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}