:root {
  --ink: #0B0B12;
  --panel: #12121C;
  --panel-2: #0E0E18;
  --purple: #7B2FF7;
  --cyan: #00F0FF;
  --orange: #FF7A1A;
  --mist: #F5F3FF;
  --purple-soft: #A78BFA;
  --cyan-soft: #8AFBFF;
  --muted: #9AA3B2;
  --success: #2EE6A8;
  --line: rgba(138, 251, 255, 0.18);
  --line-purple: rgba(167, 139, 250, 0.32);
  --line-orange: rgba(255, 122, 26, 0.34);
  --rail-w: 248px;
  --track-h: 58px;
  --content-max: 1280px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --font-display: "Oswald", "Bebas Neue", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", "Courier New", monospace;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 84% 10%, rgba(123, 47, 247, 0.1), transparent 26rem),
    radial-gradient(circle at 12% 72%, rgba(0, 240, 255, 0.055), transparent 24rem),
    repeating-linear-gradient(0deg, transparent 0 5px, rgba(245, 243, 255, 0.018) 5px 6px);
}

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.45em;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 5.6rem);
}

h2 {
  font-size: clamp(1.75rem, 3.4vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.75rem);
  line-height: 1.1;
}

h4 {
  font-size: 1rem;
  line-height: 1.3;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}

strong {
  font-weight: 700;
}

main {
  display: block;
}

::selection {
  color: var(--ink);
  background: var(--cyan);
}

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

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 6px;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 90;
  color: var(--mist);
  background: var(--panel);
}

.brand-rail {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 16px;
  background-color: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: flex;
  align-items: center;
  flex: 1 1 auto;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(3, 6px);
  gap: 3px;
  padding: 8px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: inset 0 0 12px rgba(123, 47, 247, 0.34);
}

.brand-mark-dot {
  width: 6px;
  height: 14px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.7);
}

.brand-mark-dot:nth-child(2) {
  height: 10px;
  background: var(--orange);
  box-shadow: 0 0 8px rgba(255, 122, 26, 0.7);
}

.brand-mark-dot:nth-child(3) {
  height: 12px;
  background: var(--purple-soft);
  box-shadow: 0 0 8px rgba(167, 139, 250, 0.7);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.05;
}

.brand-title {
  overflow: hidden;
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-subtitle {
  overflow: hidden;
  margin-top: 5px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  color: var(--muted);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: var(--mist);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.nav-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.nav-toggle-box {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-line {
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform 180ms var(--ease-out);
}

.nav-toggle-text {
  line-height: 1;
}

.primary-nav {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  z-index: 120;
  display: none;
  max-height: calc(100vh - 74px);
  padding: 16px;
  overflow-y: auto;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.5);
}

.nav-list {
  display: grid;
  gap: 4px;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: var(--mist);
  background: transparent;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  border-radius: 6px;
  font-weight: 600;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), color 180ms var(--ease-out);
}

.nav-link:hover {
  color: var(--cyan);
  background: var(--ink);
  border-color: var(--line);
}

.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
}

.rail-utilities {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.utility-label {
  margin: 0 0 6px;
  color: var(--orange);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.utility-list {
  display: grid;
  gap: 4px;
}

.utility-link {
  display: block;
  padding: 6px 10px;
  color: var(--muted);
  border-left: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
}

.utility-link:hover {
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.04);
  border-left-color: var(--cyan);
}

.utility-link[aria-current="page"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.rail-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.rail-note {
  margin: 0 0 2px;
  color: var(--orange);
  font-size: 12px;
  line-height: 1.4;
}

.rail-meta {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
}

.lamp-track {
  position: relative;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  background-color: var(--panel-2);
  background-image: repeating-linear-gradient(0deg, transparent 0 7px, rgba(0, 240, 255, 0.035) 7px 8px);
  border-bottom: 1px solid var(--line);
  scrollbar-color: var(--purple) transparent;
  scrollbar-width: thin;
}

.track-label {
  flex: 0 0 auto;
  padding: 6px 10px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.track-label:hover {
  color: var(--ink);
  background: var(--cyan);
}

.track-list {
  display: flex;
  align-items: center;
  flex: 1 0 auto;
  gap: 8px;
}

.track-item {
  flex: 0 0 auto;
}

.track-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line-purple);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), color 180ms var(--ease-out);
}

.track-link:hover {
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.06);
  border-color: var(--cyan);
}

.track-index {
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 10px;
}

.track-help {
  flex: 0 0 auto;
  color: var(--orange);
  border-bottom: 1px solid var(--line-orange);
  font-size: 12px;
  white-space: nowrap;
}

.track-help:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.scroll-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 150;
  height: 3px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--orange));
  transform: scaleX(var(--scroll-ratio, 0));
  transform-origin: left center;
}

@media (max-width: 1079px) {
  .site-header[data-open="true"] .primary-nav {
    display: block;
  }

  .site-header[data-open="true"] .nav-toggle {
    color: var(--cyan);
    border-color: var(--cyan);
  }

  .site-header[data-open="true"] .nav-toggle-line:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .site-header[data-open="true"] .nav-toggle-line:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }
}

@media (max-width: 700px) {
  .sync-badge {
    display: none;
  }

  .brand-title {
    font-size: 16px;
  }

  .brand-subtitle {
    font-size: 8px;
  }
}

@media (min-width: 1080px) {
  body {
    padding-top: var(--track-h);
    padding-left: var(--rail-w);
  }

  .skip-link {
    left: calc(var(--rail-w) + 16px);
  }

  .site-header {
    position: static;
    background: transparent;
  }

  .brand-rail {
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 18px;
    width: var(--rail-w);
    height: 100vh;
    padding: 26px 20px 20px;
    overflow-y: auto;
    background-color: var(--panel);
    background-image: repeating-linear-gradient(90deg, transparent 0 23px, rgba(0, 240, 255, 0.025) 23px 24px);
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .brand-lockup {
    flex: 0 0 auto;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
  }

  .brand-title {
    font-size: 20px;
  }

  .sync-badge {
    order: 2;
    align-self: flex-start;
  }

  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-height: 0;
    max-height: none;
    margin-top: 4px;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .nav-list {
    gap: 5px;
  }

  .nav-link {
    min-height: 38px;
    padding: 0 10px;
    color: var(--muted);
  }

  .nav-link[aria-current="page"] {
    color: var(--ink);
  }

  .rail-utilities {
    margin-top: auto;
  }

  .rail-foot {
    display: block;
    margin-top: 0;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .lamp-track {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--rail-w);
    z-index: 95;
    height: var(--track-h);
    padding: 0 24px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
  }

  .track-list {
    overflow-x: auto;
  }

  .track-help {
    margin-left: auto;
  }

  .scroll-progress {
    top: var(--track-h);
    left: var(--rail-w);
    height: 3px;
  }
}

.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  padding: 32px 16px 24px;
  color: var(--muted);
  background-color: #08080E;
  background-image: repeating-linear-gradient(0deg, transparent 0 9px, rgba(0, 240, 255, 0.025) 9px 10px);
  border-top: 1px solid var(--line);
}

.footer-top {
  display: grid;
  gap: 28px;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 14px;
}

.footer-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--mist);
}

.footer-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--mist);
  background: var(--purple);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 23px;
  box-shadow: inset 0 0 16px rgba(0, 240, 255, 0.28);
}

.footer-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.footer-brand-copy strong {
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.05em;
}

.footer-brand-copy span {
  margin-top: 4px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.footer-help {
  margin: 0;
  padding-left: 10px;
  color: var(--orange);
  border-left: 2px solid var(--line-orange);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.footer-cta {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  color: var(--ink);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-cta:hover {
  color: var(--ink);
  background: var(--cyan-soft);
  border-color: var(--cyan-soft);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.22);
}

.footer-grid {
  display: grid;
  gap: 22px;
}

.footer-col {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.footer-heading {
  margin: 0 0 10px;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 6px;
}

.footer-link {
  display: inline-block;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  font-size: 14px;
}

.footer-link:hover {
  color: var(--mist);
  border-bottom-color: var(--orange);
}

.footer-contact-band {
  display: grid;
  gap: 8px;
  margin-top: 26px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
}

.footer-contact-line {
  margin: 0;
  color: var(--mist);
}

.footer-address {
  margin: 0;
  color: var(--muted);
}

.footer-bottom {
  display: grid;
  gap: 8px;
  padding-top: 18px;
  font-size: 12px;
  line-height: 1.6;
}

.footer-legal {
  margin: 0;
  color: var(--mist);
}

.footer-note {
  margin: 0;
  color: var(--muted);
}

@media (min-width: 760px) {
  .site-footer {
    padding: 42px clamp(20px, 4vw, 56px) 28px;
  }

  .footer-top {
    grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.8fr);
    align-items: start;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .footer-col {
    padding-top: 0;
    padding-left: 18px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .footer-contact-band {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .footer-bottom {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.container {
  width: min(100% - 32px, var(--content-max));
  margin-inline: auto;
}

@media (min-width: 760px) {
  .container {
    width: min(100% - 64px, var(--content-max));
  }
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.content-grid > * {
  grid-column: 1 / -1;
}

@media (min-width: 760px) {
  .content-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .grid-span-4 {
    grid-column: span 4;
  }

  .grid-span-5 {
    grid-column: span 5;
  }

  .grid-span-7 {
    grid-column: span 7;
  }

  .grid-span-8 {
    grid-column: span 8;
  }

  .grid-span-12 {
    grid-column: span 12;
  }
}

.breadcrumb {
  margin: 0 0 24px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--purple-soft);
  content: "/";
}

.breadcrumb-link {
  color: var(--cyan);
  border-bottom: 1px solid transparent;
}

.breadcrumb-link:hover {
  border-bottom-color: var(--cyan);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--ink);
  background: var(--orange);
  box-shadow: 0 0 0 1px rgba(255, 122, 26, 0.3), 0 10px 24px rgba(255, 122, 26, 0.16);
}

.btn-primary:hover {
  background: #FF8F3D;
  box-shadow: 0 0 0 1px rgba(255, 122, 26, 0.45), 0 12px 28px rgba(255, 122, 26, 0.22);
}

.btn-ghost {
  color: var(--cyan);
  background: transparent;
  border-color: var(--line);
}

.btn-ghost:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--cyan);
}

.btn-compact {
  min-height: 36px;
  padding: 7px 12px;
  font-size: 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--orange);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 18px;
  height: 2px;
  background: var(--orange);
  box-shadow: 0 0 8px var(--orange);
  content: "";
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.tag-cyan {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.tag-orange {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

.tag-purple {
  color: var(--mist);
  background: var(--purple);
  border-color: var(--purple);
}

.panel {
  position: relative;
  padding: clamp(16px, 3vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(245, 243, 255, 0.04);
}

.panel-ticket {
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-lg) var(--radius-md) var(--radius-sm);
}

.panel-ticket::before {
  position: absolute;
  right: 16px;
  bottom: 0;
  left: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--orange));
  content: "";
}

.panel-title {
  margin: 0 0 0.6em;
  color: var(--mist);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.05;
}

.path-code {
  padding: 2px 6px;
  color: var(--cyan);
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  background-color: var(--panel-2);
  background-image: repeating-linear-gradient(0deg, transparent 0 5px, rgba(0, 240, 255, 0.045) 5px 6px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.media-frame img,
.media-frame picture,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 4px, rgba(11, 11, 18, 0.2) 4px 5px);
  mix-blend-mode: multiply;
  opacity: 0.5;
  content: "";
}

.media-frame-wide {
  aspect-ratio: 21 / 9;
}

.media-frame-tall {
  aspect-ratio: 4 / 5;
}

.media-frame-square {
  aspect-ratio: 1 / 1;
}

.media-caption {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.fold-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.fold-panel + .fold-panel {
  margin-top: 8px;
}

.fold-panel summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  color: var(--mist);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.fold-panel summary::-webkit-details-marker {
  display: none;
}

.fold-panel summary::after {
  color: var(--cyan);
  font-family: var(--font-mono);
  content: "+";
}

.fold-panel[open] summary {
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}

.fold-panel[open] summary::after {
  content: "−";
}

.fold-panel-body {
  padding: 12px 16px 16px;
  color: var(--muted);
}

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

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

  .btn:hover {
    transform: none;
  }
}