:root {
  --night: #0D1B2A;
  --night-2: rgba(13, 27, 42, 0.88);
  --night-3: rgba(13, 27, 42, 0.96);
  --paper: rgba(255, 181, 167, 0.98);
  --text: rgba(255, 247, 242, 0.92);
  --muted: rgba(255, 247, 242, 0.72);
  --muted-2: rgba(255, 247, 242, 0.52);
  --orange: #F26419;
  --pink: #FFB5A7;
  --mint: #2EC4B6;
  --line: rgba(255, 181, 167, 0.2);
  --panel: rgba(13, 27, 42, 0.74);
  --panel-strong: rgba(18, 38, 58, 0.92);
  --memory-gradient: linear-gradient(135deg, var(--pink) 0%, var(--orange) 62%, var(--pink) 100%);
  --peel-gradient: linear-gradient(118deg, transparent 0 14%, rgba(255, 181, 167, 0.18) 14% 18%, rgba(242, 100, 25, 0.24) 18% 22%, transparent 22% 52%, rgba(255, 181, 167, 0.16) 52% 56%, transparent 56%);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 247, 242, 0.08);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% 16rem, rgba(255, 181, 167, 0.16), transparent 19rem),
    radial-gradient(circle at 74% 22rem, rgba(242, 100, 25, 0.14), transparent 22rem),
    linear-gradient(180deg, var(--night) 0%, var(--night) 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

body::before {
  background:
    linear-gradient(90deg, transparent 0 5.9rem, rgba(255, 181, 167, 0.06) 5.9rem 6rem),
    linear-gradient(180deg, transparent 0 5.9rem, rgba(255, 181, 167, 0.045) 5.9rem 6rem);
  background-size: 6rem 6rem;
  mask-image: radial-gradient(circle at 50% 34%, rgba(0, 0, 0, 0.86), transparent 78%);
}

body::after {
  background:
    conic-gradient(from 220deg at 50% 32%, transparent 0 16deg, rgba(255, 181, 167, 0.22) 16deg 19deg, transparent 19deg 52deg, rgba(242, 100, 25, 0.18) 52deg 56deg, transparent 56deg 360deg),
    radial-gradient(circle at 50% 32%, transparent 0 5rem, rgba(255, 181, 167, 0.12) 5.05rem 5.12rem, transparent 5.18rem 9rem, rgba(46, 196, 182, 0.16) 9.05rem 9.12rem, transparent 9.18rem 15rem, rgba(242, 100, 25, 0.11) 15.05rem 15.12rem, transparent 15.18rem);
  opacity: 0.7;
}

.site-header,
main,
.site-footer {
  position: relative;
}

main,
.site-footer {
  z-index: 2;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.6rem 0.8rem;
  background: var(--mint);
  color: var(--night);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 181, 167, 0.22);
  background:
    linear-gradient(90deg, rgba(255, 181, 167, 0.07), transparent 28%, rgba(242, 100, 25, 0.09) 74%, rgba(46, 196, 182, 0.04)),
    rgba(13, 27, 42, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.26);
}

.nav-wrap,
.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  font-weight: 800;
  color: var(--paper);
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 181, 167, 0.42);
  border-radius: 50%;
  background:
    rgba(13, 27, 42, 0.84)
    url("../img/favicon.ico") center / 82% 82% no-repeat;
  box-shadow: 0 0 22px rgba(46, 196, 182, 0.2), inset 0 0 18px rgba(255, 181, 167, 0.08);
  overflow: hidden;
}

.brand-mark::before,
.btn-icon::before,
.nav-toggle span {
  content: "";
  display: block;
}

.brand-mark::before {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a,
.nav-download {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.68rem;
  border: 0;
  border-radius: var(--radius);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.nav-download:hover,
.nav-download:focus-visible {
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(255, 181, 167, 0.13), rgba(242, 100, 25, 0.08)),
    rgba(255, 255, 255, 0.04);
  outline: none;
}

.nav-download {
  margin-left: 0.25rem;
  padding-inline: 1rem;
  color: var(--night);
  font-weight: 800;
  background: var(--memory-gradient);
  box-shadow: 0 0 24px rgba(242, 100, 25, 0.22), inset 0 1px 0 rgba(255, 247, 242, 0.45);
}

.nav-toggle {
  display: none;
  width: 44px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  place-items: center;
  gap: 4px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--paper);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 181, 167, 0.22);
  background:
    radial-gradient(circle at 50% 50%, rgba(46, 196, 182, 0.14), transparent 7rem),
    radial-gradient(circle at 52% 48%, rgba(255, 181, 167, 0.18), transparent 22rem);
}

.memory-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.96;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 1;
}

.hero-media,
.hero-media::after {
  position: absolute;
}

.hero-media {
  top: 50%;
  right: max(1.5rem, calc((100vw - var(--max)) / 2));
  width: min(46vw, 620px);
  aspect-ratio: 16 / 9;
  transform: translateY(-50%) rotate(-3deg);
  z-index: 0;
  border: 1px solid rgba(255, 181, 167, 0.28);
  border-radius: var(--radius);
  background: rgba(13, 27, 42, 0.72);
  box-shadow: var(--shadow), 0 0 80px rgba(242, 100, 25, 0.12);
  overflow: hidden;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0.6rem;
  z-index: 2;
  border: 1px solid rgba(46, 196, 182, 0.18);
  border-radius: calc(var(--radius) - 2px);
  pointer-events: none;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.06);
}

.hero-media::after {
  content: "";
  inset: 0;
  background:
    var(--peel-gradient),
    linear-gradient(180deg, rgba(13, 27, 42, 0.08), rgba(13, 27, 42, 0.55));
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.72fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: 5rem 4rem;
}

.hero-grid::before,
.hero-grid::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(58vw, 680px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 181, 167, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-grid::after {
  width: min(40vw, 460px);
  border-color: rgba(46, 196, 182, 0.22);
  box-shadow: 0 0 70px rgba(46, 196, 182, 0.12);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  margin: 0 0 1rem;
  color: var(--mint);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 0.65rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 18px rgba(46, 196, 182, 0.78);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  color: var(--paper);
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  max-width: 9em;
  font-size: clamp(3rem, 7vw, 6.2rem);
  text-shadow: 0 0 38px rgba(242, 100, 25, 0.22), 0 2px 0 rgba(255, 181, 167, 0.12);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

h3 {
  font-size: 1.18rem;
}

p {
  margin: 0;
}

.hero-subtitle {
  margin-top: 0.6rem;
  color: transparent;
  background: var(--memory-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 800;
}

.hero-copy {
  max-width: 690px;
  margin-top: 1.25rem;
  color: rgba(255, 247, 242, 0.78);
  font-size: 1.06rem;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.58rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 900;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  box-shadow: inset 0 1px 0 rgba(255, 247, 242, 0.16);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  color: var(--night);
  background: var(--memory-gradient);
  box-shadow: 0 14px 36px rgba(242, 100, 25, 0.28), inset 0 1px 0 rgba(255, 247, 242, 0.48);
}

.btn-secondary {
  color: var(--paper);
  border-color: rgba(255, 181, 167, 0.34);
  background:
    linear-gradient(135deg, rgba(255, 181, 167, 0.08), rgba(13, 27, 42, 0.12)),
    rgba(13, 27, 42, 0.62);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--mint);
}

.btn-icon {
  width: 1.1rem;
  aspect-ratio: 1;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.btn-icon::before {
  width: 0.38rem;
  height: 0.38rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.observer-panel {
  position: relative;
  border: 1px solid rgba(255, 181, 167, 0.34);
  border-radius: var(--radius);
  background:
    var(--peel-gradient),
    linear-gradient(180deg, rgba(255, 181, 167, 0.08), rgba(13, 27, 42, 0.12)),
    rgba(13, 27, 42, 0.78);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.observer-panel::after {
  content: "";
  position: absolute;
  inset: 0.7rem;
  border: 1px solid rgba(46, 196, 182, 0.18);
  border-radius: calc(var(--radius) - 2px);
  pointer-events: none;
}

.observer-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0 24%, rgba(46, 196, 182, 0.08) 24% 25%, transparent 25% 49%, rgba(255, 181, 167, 0.08) 49% 50%, transparent 50%),
    linear-gradient(180deg, transparent 0 34%, rgba(242, 100, 25, 0.06) 34% 35%, transparent 35%);
  background-size: 100px 100px;
  pointer-events: none;
}

.panel-top {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 181, 167, 0.24);
  color: var(--muted);
  font-weight: 800;
  background: rgba(13, 27, 42, 0.62);
}

.panel-lights {
  display: inline-flex;
  gap: 0.38rem;
}

.panel-lights span {
  width: 0.62rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--pink);
}

.panel-lights span:nth-child(2) {
  background: var(--orange);
}

.panel-lights span:nth-child(3) {
  background: var(--mint);
}

.panel-body {
  position: relative;
  padding: 1rem;
}

.panel-body img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.stat {
  min-height: 76px;
  padding: 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.stat span {
  display: block;
  color: var(--muted-2);
  font-size: 0.78rem;
}

.stat strong {
  display: block;
  color: var(--paper);
  font-size: 0.98rem;
  line-height: 1.35;
}

.section {
  position: relative;
  padding: clamp(3.2rem, 7vw, 6rem) 0;
}

.section-alt {
  background:
    var(--peel-gradient),
    linear-gradient(180deg, rgba(255, 181, 167, 0.034), rgba(13, 27, 42, 0.18)),
    rgba(13, 27, 42, 0.08);
  border-block: 1px solid rgba(255, 181, 167, 0.14);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.55fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-head p,
.section-copy {
  color: rgba(255, 247, 242, 0.76);
}

.section-kicker {
  color: var(--mint);
  font-weight: 900;
  margin-bottom: 0.45rem;
}

.summary-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.6fr);
  gap: 1rem;
  align-items: stretch;
}

.summary-panel,
.info-card,
.route-card,
.faq-card,
.timeline-item,
.link-card,
.notice-panel {
  position: relative;
  border: 1px solid rgba(255, 181, 167, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 181, 167, 0.075), rgba(242, 100, 25, 0.035) 38%, rgba(13, 27, 42, 0.16) 68%),
    var(--panel);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.summary-panel::before,
.info-card::before,
.route-card::before,
.faq-card::before,
.timeline-item::before,
.link-card::before,
.notice-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border-top: 1px solid rgba(255, 247, 242, 0.12);
  background: linear-gradient(118deg, transparent 0 64%, rgba(255, 181, 167, 0.11) 64% 68%, transparent 68%);
  pointer-events: none;
}

.info-card:hover,
.route-card:hover,
.index-card:hover,
.faq-card:hover,
.link-card:hover,
.question-item:hover {
  border-color: rgba(46, 196, 182, 0.42);
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.28), 0 0 24px rgba(46, 196, 182, 0.08);
}

.summary-panel,
.notice-panel {
  padding: clamp(1.1rem, 2vw, 1.5rem);
}

.summary-panel p + p {
  margin-top: 1rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.meta-item {
  min-height: 78px;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.meta-item span {
  display: block;
  margin-bottom: 0.18rem;
  color: var(--muted-2);
  font-size: 0.82rem;
}

.meta-item strong {
  color: var(--paper);
}

.content-split {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.content-split.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
}

.feature-image {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 181, 167, 0.18);
  box-shadow: var(--shadow);
}

.feature-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-grid,
.route-grid,
.index-grid,
.faq-grid,
.links-grid {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.index-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.route-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.links-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.info-card,
.route-card,
.faq-card,
.link-card {
  padding: 1rem;
}

.info-card p,
.route-card p,
.faq-card p,
.link-card p {
  margin-top: 0.55rem;
  color: rgba(255, 247, 242, 0.74);
}

.card-number {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  aspect-ratio: 1;
  margin-bottom: 0.85rem;
  border-radius: 50%;
  color: var(--night);
  background: var(--memory-gradient);
  font-weight: 900;
}

.index-card {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
  border: 1px solid rgba(255, 181, 167, 0.18);
  border-radius: var(--radius);
  background:
    var(--peel-gradient),
    linear-gradient(155deg, rgba(242, 100, 25, 0.16), rgba(255, 181, 167, 0.08), rgba(46, 196, 182, 0.035)),
    rgba(13, 27, 42, 0.76);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.index-card:hover,
.index-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(46, 196, 182, 0.54);
  outline: none;
}

.index-card span {
  color: var(--mint);
  font-weight: 900;
}

.index-card p {
  margin-top: 0.55rem;
  color: rgba(255, 247, 242, 0.72);
}

.timeline {
  display: grid;
  gap: 0.85rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
}

.timeline-date {
  color: var(--pink);
  font-weight: 900;
}

.timeline-body strong {
  color: var(--paper);
}

.timeline-body p {
  margin-top: 0.35rem;
  color: rgba(255, 247, 242, 0.74);
}

.faq-card details {
  min-height: 100%;
}

.faq-card summary {
  cursor: pointer;
  color: var(--paper);
  font-weight: 900;
  line-height: 1.45;
}

.faq-card summary::marker {
  color: var(--mint);
}

.faq-card details[open] summary {
  color: var(--pink);
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 181, 167, 0.15);
  background:
    linear-gradient(90deg, rgba(255, 181, 167, 0.08), transparent, rgba(242, 100, 25, 0.08)),
    rgba(13, 27, 42, 0.84);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.8fr);
  gap: 2rem;
  align-items: start;
}

.footer-note {
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.footer-links a {
  padding: 0.42rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: rgba(255, 247, 242, 0.78);
  background: rgba(255, 255, 255, 0.05);
}

.page-hero {
  position: relative;
  padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(2.6rem, 5vw, 4.2rem);
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 181, 167, 0.13);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    var(--peel-gradient),
    radial-gradient(circle at 50% 38%, rgba(255, 181, 167, 0.14), transparent 24rem),
    radial-gradient(circle at 72% 44%, rgba(46, 196, 182, 0.08), transparent 18rem),
    linear-gradient(90deg, rgba(13, 27, 42, 0.98), rgba(13, 27, 42, 0.84));
  opacity: 0.9;
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 50%;
  right: max(1.5rem, calc((100vw - var(--max)) / 2));
  z-index: 0;
  width: min(38vw, 500px);
  aspect-ratio: 16 / 9;
  transform: translateY(-50%) rotate(4deg);
  border: 1px solid rgba(255, 181, 167, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(13, 27, 42, 0.16), rgba(13, 27, 42, 0.54)),
    var(--page-bg, url("../img/street-reunion.webp")) center / cover;
  box-shadow: var(--shadow), 0 0 70px rgba(242, 100, 25, 0.1);
  opacity: 0.38;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  max-width: 11em;
  font-size: clamp(2.45rem, 5vw, 5rem);
}

.page-hero p {
  max-width: 760px;
  margin-top: 1rem;
  color: rgba(255, 247, 242, 0.8);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.crumbs a {
  color: var(--pink);
}

.content-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.content-list li {
  padding: 1rem;
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 181, 167, 0.08), transparent),
    rgba(13, 27, 42, 0.5);
  color: rgba(255, 247, 242, 0.76);
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.question-list {
  display: grid;
  gap: 1rem;
}

.question-item {
  padding: 1rem;
  border: 1px solid rgba(255, 181, 167, 0.16);
  border-radius: var(--radius);
  background: rgba(13, 27, 42, 0.72);
}

.question-item h2,
.question-item h3 {
  font-size: 1.15rem;
}

.question-item p {
  margin-top: 0.55rem;
  color: rgba(255, 247, 242, 0.76);
}

.last-updated {
  display: inline-flex;
  margin-top: 1.2rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(46, 196, 182, 0.28);
  border-radius: var(--radius);
  color: var(--mint);
  background: rgba(46, 196, 182, 0.08);
  font-weight: 800;
}

.download-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(13, 27, 42, 0.82);
  backdrop-filter: blur(14px);
}

.download-dialog {
  width: min(100%, 480px);
  border: 1px solid rgba(255, 181, 167, 0.28);
  border-radius: var(--radius);
  background:
    var(--peel-gradient),
    linear-gradient(135deg, rgba(242, 100, 25, 0.16), rgba(255, 181, 167, 0.1), rgba(46, 196, 182, 0.06)),
    var(--panel-strong);
  box-shadow: var(--shadow);
  color: var(--text);
}

.download-dialog header,
.download-dialog footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 1rem;
}

.download-dialog header {
  border-bottom: 1px solid rgba(255, 181, 167, 0.16);
}

.download-dialog footer {
  flex-wrap: wrap;
  justify-content: flex-end;
  border-top: 1px solid rgba(255, 181, 167, 0.16);
}

.download-dialog h2 {
  font-size: 1.2rem;
}

.download-dialog .dialog-body {
  padding: 1rem;
  color: rgba(255, 247, 242, 0.78);
}

.icon-close {
  width: 38px;
  aspect-ratio: 1;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: var(--paper);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.icon-close::before,
.icon-close::after {
  content: "";
  grid-area: 1 / 1;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.icon-close::before {
  transform: rotate(45deg);
}

.icon-close::after {
  transform: rotate(-45deg);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1001;
  max-width: min(380px, calc(100% - 2rem));
  padding: 0.85rem 1rem;
  border: 1px solid rgba(46, 196, 182, 0.38);
  border-radius: var(--radius);
  background: rgba(13, 27, 42, 0.94);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.back-home {
  margin-top: 1.7rem;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border: 1px solid rgba(255, 181, 167, 0.2);
    border-radius: var(--radius);
    background: rgba(13, 27, 42, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a,
  .nav-download {
    width: 100%;
    justify-content: flex-start;
    margin-left: 0;
    border-radius: var(--radius);
  }

  .hero-grid,
  .section-head,
  .summary-band,
  .content-split,
  .content-split.reverse,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    right: 1rem;
    top: auto;
    bottom: 1rem;
    width: min(52vw, 360px);
    opacity: 0.34;
    transform: rotate(-3deg);
  }

  .page-hero::after {
    right: 1rem;
    width: min(56vw, 360px);
    opacity: 0.22;
  }

  .feature-grid,
  .index-grid,
  .route-grid,
  .faq-grid,
  .links-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 981px) {
  html[data-page="home"] main {
    overflow: clip;
  }

  html[data-page="home"] main::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 84vh;
    bottom: 2rem;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(255, 181, 167, 0.08), rgba(242, 100, 25, 0.42), rgba(46, 196, 182, 0.18), rgba(255, 181, 167, 0.08));
    box-shadow: 0 0 26px rgba(242, 100, 25, 0.18);
  }

  html[data-page="home"] .section::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 15rem;
    aspect-ratio: 1;
    transform: translate(-50%, -50%) rotate(var(--node-rotate, 0deg));
    border-radius: 50%;
    border: 1px solid rgba(255, 181, 167, 0.12);
    background:
      conic-gradient(from 120deg, transparent 0 38deg, rgba(255, 181, 167, 0.3) 38deg 42deg, transparent 42deg 128deg, rgba(46, 196, 182, 0.22) 128deg 132deg, transparent 132deg),
      radial-gradient(circle, rgba(242, 100, 25, 0.12), transparent 58%);
    pointer-events: none;
  }

  html[data-page="home"] .section > .container {
    position: relative;
  }

  html[data-page="home"] .section:nth-of-type(2) > .container,
  html[data-page="home"] .section:nth-of-type(5) > .container,
  html[data-page="home"] .section:nth-of-type(8) > .container {
    transform: translateX(-3.8vw);
  }

  html[data-page="home"] .section:nth-of-type(3) > .container,
  html[data-page="home"] .section:nth-of-type(6) > .container,
  html[data-page="home"] .section:nth-of-type(9) > .container {
    transform: translateX(3.8vw);
  }

  html[data-page="home"] .section:nth-of-type(4) {
    --node-rotate: 36deg;
  }

  html[data-page="home"] .section:nth-of-type(5) {
    --node-rotate: 72deg;
  }

  html[data-page="home"] .section:nth-of-type(6) {
    --node-rotate: 108deg;
  }

  html[data-page="home"] .section:nth-of-type(7) {
    --node-rotate: 144deg;
  }

  html[data-page="home"] .section:nth-of-type(8) {
    --node-rotate: 180deg;
  }

  html[data-page="home"] .section:nth-of-type(9) {
    --node-rotate: 216deg;
  }
}

@media (max-width: 640px) {
  .nav-wrap,
  .container {
    width: min(100% - 1.2rem, var(--max));
  }

  .brand {
    max-width: calc(100vw - 6rem);
    white-space: normal;
    line-height: 1.2;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding-block: 3.5rem 2.5rem;
  }

  .observer-panel {
    display: none;
  }

  .hero-media {
    width: min(78vw, 320px);
    opacity: 0.18;
  }

  .page-hero::after {
    width: min(78vw, 320px);
    opacity: 0.16;
  }

  .stat-strip,
  .meta-grid,
  .feature-grid,
  .index-grid,
  .route-grid,
  .faq-grid,
  .links-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .section-actions,
  .download-dialog footer {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .memory-canvas {
    opacity: 0.74;
  }
}

.download-confirm-trigger {
  cursor: pointer;
  text-decoration: none;
}

.download-confirm-overlay {
  --download-confirm-panel: #12263a;
  --download-confirm-text: rgba(255,247,242,.92);
  --download-confirm-muted: rgba(255,247,242,.68);
  --download-confirm-accent: #2ec4b6;
  --download-confirm-accent-text: #0d1b2a;
  --download-confirm-line: rgba(255,181,167,.24);
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(0, 0, 0, .72);
}

.download-confirm-dialog {
  width: min(100%, 30rem);
  padding: 1.4rem;
  color: var(--download-confirm-text);
  background: var(--download-confirm-panel);
  border: 1px solid var(--download-confirm-line);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .38);
}

.download-confirm-dialog h2 {
  margin: 0 0 .8rem;
  color: inherit;
  font-size: 1.2rem;
}

.download-confirm-dialog p {
  margin: 0;
  color: var(--download-confirm-muted);
  line-height: 1.7;
}

.download-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: .65rem;
  margin-top: 1.3rem;
}

.download-confirm-button {
  min-height: 2.65rem;
  padding: .55rem .95rem;
  color: var(--download-confirm-text);
  background: transparent;
  border: 1px solid var(--download-confirm-line);
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}

.download-confirm-button-primary {
  color: var(--download-confirm-accent-text);
  background: var(--download-confirm-accent);
  border-color: var(--download-confirm-accent);
  font-weight: 700;
}

.download-confirm-button:focus-visible {
  outline: 2px solid var(--download-confirm-accent);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .download-confirm-dialog {
    padding: 1.1rem;
  }
}