:root {
  --paper: #110f0e;
  --paper-deep: #181411;
  --paper-soft: rgba(20, 17, 15, 0.88);
  --ink: #f5ead7;
  --muted: #c7b097;
  --line: rgba(237, 206, 151, 0.08);
  --line-strong: rgba(216, 150, 76, 0.18);
  --red: #cf5634;
  --red-soft: #a93a27;
  --gold: #d7aa58;
  --gold-soft: #f1d58e;
  --green: #87a43c;
  --green-deep: #5b7f2c;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.3);
  --radius-xl: 2rem;
  --radius-lg: 1.4rem;
  --radius-md: 1rem;
  --content-width: min(1180px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(215, 170, 88, 0.16), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(135, 164, 60, 0.12), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(207, 86, 52, 0.1), transparent 34%),
    linear-gradient(180deg, #070707 0%, #0c0a09 46%, #12100f 100%);
}

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

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

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

button {
  border: 0;
  background: none;
  color: inherit;
}

main {
  width: var(--content-width);
  margin: 0 auto;
  padding-bottom: 72px;
}

section[id] {
  scroll-margin-top: 112px;
}

.site-shell {
  position: relative;
  overflow-x: hidden;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 80;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--red), var(--gold), var(--gold-soft));
  box-shadow: 0 0 20px rgba(215, 170, 88, 0.4);
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  width: 280px;
  aspect-ratio: 1;
  pointer-events: none;
  opacity: 0.08;
  z-index: 0;
  background-size: contain;
  background-repeat: no-repeat;
}

.site-shell::before {
  top: 120px;
  right: -90px;
  background-image: url("./media/poster-yellow.png");
  transform: rotate(-8deg);
}

.site-shell::after {
  left: -80px;
  bottom: 48px;
  background-image: url("./media/poster-green.png");
  transform: rotate(8deg);
}

.ambient {
  position: fixed;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.ambient-left {
  top: -80px;
  left: -100px;
  width: 320px;
  height: 320px;
  background: rgba(215, 170, 88, 0.22);
}

.ambient-right {
  right: -100px;
  top: 45vh;
  width: 320px;
  height: 320px;
  background: rgba(207, 86, 52, 0.18);
}

.site-header,
.hero,
.section,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  width: var(--content-width);
  margin: 20px auto 0;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 14px;
  z-index: 30;
  border: 1px solid rgba(237, 206, 151, 0.08);
  border-radius: 999px;
  background: rgba(12, 10, 9, 0.82);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
}

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

.brand-mark {
  width: 56px;
  height: 56px;
  padding: 6px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px solid rgba(215, 170, 88, 0.16);
  background: linear-gradient(180deg, rgba(31, 26, 22, 0.96), rgba(14, 12, 11, 0.96));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.hero h1,
.section-head h2,
.content-card h3,
.story-card h3,
.team-card h3,
.road-step h3,
.metric-card strong,
.contact-list strong,
.qr-card strong,
.site-footer p {
  font-family: "STZhongsong", "Songti SC", "Source Han Serif SC", serif;
}

.brand-copy strong {
  font-size: 1.12rem;
  letter-spacing: 0.06em;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.92rem;
  color: var(--muted);
}

.site-nav a {
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.site-nav a:hover {
  color: var(--red);
}

.site-nav a.is-current {
  color: var(--gold-soft);
}

.site-nav a:hover::after,
.site-nav a.is-current::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(215, 170, 88, 0.08);
  color: var(--gold);
  cursor: pointer;
}

.hero {
  width: var(--content-width);
  margin: 28px auto 0;
  padding: clamp(28px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 32px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(237, 206, 151, 0.08);
  background:
    linear-gradient(135deg, rgba(21, 18, 16, 0.94), rgba(13, 11, 10, 0.9)),
    radial-gradient(circle at top right, rgba(135, 164, 60, 0.16), transparent 22%),
    radial-gradient(circle at bottom left, rgba(207, 86, 52, 0.12), transparent 28%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero::before,
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 22%, transparent 78%, rgba(255, 255, 255, 0.03)),
    linear-gradient(180deg, rgba(215, 170, 88, 0.05), transparent 24%, transparent 76%, rgba(207, 86, 52, 0.04));
  opacity: 1;
}

.hero-copy,
.hero-visual,
.section > * {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--red);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, var(--red), rgba(127, 32, 25, 0));
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
}

.hero-text,
.section-head p,
.intro-copy p,
.content-card p,
.story-card p,
.metric-card p,
.team-card p,
.road-step p,
.contact-copy p,
.qr-card p {
  color: var(--muted);
  line-height: 1.85;
}

.hero-text {
  max-width: 41rem;
  margin: 20px 0 28px;
  font-size: 1rem;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.btn-primary {
  color: #fffaf4;
  background: linear-gradient(135deg, var(--red), var(--red-soft));
  box-shadow: 0 14px 28px rgba(127, 32, 25, 0.18);
}

.btn-secondary {
  color: var(--gold-soft);
  border: 1px solid rgba(215, 170, 88, 0.22);
  background: rgba(23, 18, 15, 0.84);
}

.hero-stats {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-stats li,
.metric-card,
.content-card,
.story-card,
.team-card,
.road-step,
.contact-list article,
.qr-card,
.paper-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(80, 42, 24, 0.1);
  background: var(--paper-soft);
  box-shadow: var(--shadow-soft);
}

.hero-stats li {
  padding: 18px;
}

.hero-stats strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.04rem;
  color: var(--red);
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero-visual::before {
  inset: 48px 72px 90px 36px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(241, 213, 142, 0.22), rgba(207, 86, 52, 0.08) 46%, transparent 72%);
  filter: blur(10px);
  opacity: 0.9;
}

.hero-visual::after {
  right: 8px;
  bottom: 18px;
  width: 210px;
  height: 220px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 238, 193, 0.3), transparent 34%),
    linear-gradient(180deg, rgba(241, 213, 142, 0.22), rgba(241, 213, 142, 0.02) 34%, transparent 34%);
  opacity: 0.68;
  mask:
    radial-gradient(circle at 50% 12%, #000 0 24px, transparent 25px),
    repeating-linear-gradient(90deg, #000 0 2px, transparent 2px 8px);
  -webkit-mask:
    radial-gradient(circle at 50% 12%, #000 0 24px, transparent 25px),
    repeating-linear-gradient(90deg, #000 0 2px, transparent 2px 8px);
}

.frame-card {
  position: absolute;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(16, 14, 13, 0.85);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.34);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  will-change: transform;
}

.frame-card:hover {
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
}

.frame-card::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  pointer-events: none;
}

.frame-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame-large {
  inset: 0 56px 92px 0;
  transform: translate(var(--float-x, 0px), var(--float-y, 0px)) rotate(-4deg);
}

.frame-detail {
  width: min(44%, 250px);
  height: 340px;
  right: 0;
  top: 32px;
  transform: translate(var(--float-x, 0px), var(--float-y, 0px)) rotate(6deg);
}

.frame-poster {
  width: min(34%, 210px);
  height: 320px;
  left: 10px;
  bottom: 0;
  background: linear-gradient(180deg, rgba(28, 24, 20, 0.98), rgba(15, 12, 11, 0.96));
  transform: translate(var(--float-x, 0px), var(--float-y, 0px));
}

.frame-poster img {
  object-fit: contain;
  padding: 18px;
}

.section {
  width: var(--content-width);
  margin: 28px auto 0;
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(237, 206, 151, 0.08);
  background:
    linear-gradient(180deg, rgba(18, 15, 14, 0.94), rgba(14, 12, 11, 0.92));
  box-shadow: var(--shadow-soft);
}

.section-head {
  margin-bottom: 28px;
  max-width: 760px;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.18;
}

.section-head p {
  margin: 0;
}

.intro-grid,
.planning-grid,
.contact-panel {
  display: grid;
  gap: 20px;
}

.intro-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.8fr);
}

.paper-card {
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(29, 24, 20, 0.92), rgba(17, 14, 13, 0.96)),
    rgba(17, 14, 13, 0.9);
}

.intro-copy {
  position: relative;
  overflow: hidden;
}

.intro-copy::after {
  content: "";
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 180px;
  height: 180px;
  background: url("./media/poster-yellow.png") center / contain no-repeat;
  opacity: 0.14;
  transform: rotate(-6deg);
  pointer-events: none;
}

.intro-copy p {
  margin: 0;
  position: relative;
  z-index: 1;
}

.intro-copy p + p {
  margin-top: 16px;
}

.intro-side {
  display: grid;
  gap: 16px;
}

.metric-card {
  padding: 22px;
}

.metric-card span,
.content-card span,
.story-card span,
.road-step span,
.contact-list span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--red);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-card strong,
.content-card h3,
.story-card h3,
.team-card h3,
.road-step h3,
.contact-list strong,
.qr-card strong {
  display: block;
  margin-top: 10px;
}

.metric-card strong {
  font-size: 1.24rem;
}

.metric-card p {
  margin: 10px 0 0;
}

.content-grid,
.story-grid {
  display: grid;
  gap: 18px;
}

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

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

.content-card,
.story-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.content-card,
.story-card,
.road-step {
  cursor: pointer;
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease;
}

.content-card:hover,
.content-card:focus-visible,
.content-card.is-active,
.story-card:hover,
.story-card:focus-visible,
.story-card.is-active,
.road-step:hover,
.road-step:focus-visible,
.road-step.is-active {
  transform: translateY(-4px);
  border-color: rgba(215, 170, 88, 0.18);
  background: rgba(28, 24, 21, 0.98);
}

.content-card:focus-visible,
.story-card:focus-visible,
.resource-tab:focus-visible,
.resource-card:focus-visible,
.road-step:focus-visible,
.contact-card-copy:focus-visible,
.contact-action:focus-visible,
.gallery-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(215, 170, 88, 0.44);
}

.content-card::after,
.story-card::after,
.road-step::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -20px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 154, 67, 0.18), transparent 68%);
}

.content-card h3,
.story-card h3 {
  margin: 12px 0 10px;
  font-size: 1.34rem;
  line-height: 1.4;
}

.content-card p,
.story-card p {
  margin: 0;
}

.resource-tabs {
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.resource-tab {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(215, 170, 88, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.resource-tab:hover,
.resource-tab.is-active {
  transform: translateY(-2px);
  border-color: rgba(215, 170, 88, 0.26);
  background: rgba(207, 86, 52, 0.1);
  color: var(--gold-soft);
}

.resource-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 20px;
  align-items: start;
}

.resource-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.resource-card {
  padding: 0;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(215, 170, 88, 0.1);
  background: rgba(24, 19, 17, 0.94);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.resource-card:hover,
.resource-card.is-active {
  transform: translateY(-4px);
  border-color: rgba(215, 170, 88, 0.24);
  background: rgba(28, 23, 20, 0.98);
}

.resource-card img {
  width: 100%;
  aspect-ratio: 1.18;
  object-fit: cover;
}

.resource-card-copy {
  padding: 14px 16px 16px;
}

.resource-card-copy span {
  display: block;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.resource-card-copy strong {
  display: block;
  margin-top: 8px;
  font-family: "STZhongsong", "Songti SC", "Source Han Serif SC", serif;
  font-size: 1.08rem;
}

.resource-extra-note {
  margin: 0;
  padding: 14px 16px;
  grid-column: 1 / -1;
  border-radius: 18px;
  border: 1px solid rgba(215, 170, 88, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  line-height: 1.7;
}

.resource-detail {
  padding: 22px;
  display: grid;
  gap: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(215, 170, 88, 0.1);
  background: linear-gradient(180deg, rgba(23, 20, 18, 0.96), rgba(16, 13, 12, 0.96));
  box-shadow: var(--shadow-soft);
}

.content-detail,
.story-detail,
.roadmap-detail {
  margin-top: 18px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(215, 170, 88, 0.1);
  background:
    linear-gradient(180deg, rgba(23, 20, 18, 0.96), rgba(16, 13, 12, 0.96));
  box-shadow: var(--shadow-soft);
}

.resource-detail-copy h3 {
  margin: 12px 0 10px;
  font-family: "STZhongsong", "Songti SC", "Source Han Serif SC", serif;
  font-size: 1.42rem;
}

.resource-detail-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.resource-detail-media {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(215, 170, 88, 0.1);
  background: rgba(11, 10, 9, 0.9);
}

.resource-detail-media img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.content-detail-main h3,
.story-detail-main h3,
.roadmap-detail-main h3 {
  margin: 12px 0 10px;
  font-family: "STZhongsong", "Songti SC", "Source Han Serif SC", serif;
  font-size: 1.4rem;
}

.content-detail-main p,
.story-detail-main p,
.roadmap-detail-main p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.detail-label {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(207, 86, 52, 0.12);
  color: var(--gold-soft);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
}

.detail-pills {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
}

.detail-pills span {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(215, 170, 88, 0.1);
  color: var(--muted);
  line-height: 1.6;
}

.gallery-grid {
  display: grid;
  gap: 16px;
}

.gallery-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 16px;
  align-items: stretch;
}

.gallery-stack,
.gallery-strip {
  display: grid;
  gap: 16px;
}

.gallery-strip {
  grid-template-columns: minmax(0, 1.12fr) minmax(220px, 0.88fr);
}

.gallery-item {
  padding: 0;
  overflow: hidden;
  position: relative;
  border-radius: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(215, 170, 88, 0.08);
}

.gallery-featured {
  min-height: 640px;
}

.gallery-detail-card,
.gallery-close-card {
  min-height: 312px;
}

.gallery-wall-card {
  min-height: 250px;
}

.gallery-poster-card {
  min-height: 250px;
}

.gallery-item::before {
  content: "点击放大";
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(13, 11, 10, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff3e4;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.gallery-item::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 20px 18px 16px;
  color: #fff7ee;
  font-size: 0.92rem;
  text-align: left;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(42, 18, 12, 0.74));
}

.gallery-item:hover::before,
.gallery-item:focus-visible::before {
  opacity: 1;
  transform: translateY(0);
}

.gallery-item:hover,
.gallery-item:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.34);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.poster-card {
  background: linear-gradient(180deg, rgba(34, 29, 24, 0.96), rgba(16, 13, 12, 0.96));
}

.poster-card img {
  object-fit: contain;
  padding: 18px 22px;
}

.planning-grid {
  grid-template-columns: 1fr;
  align-items: start;
}

.team-card,
.road-step {
  padding: 24px;
}

.team-card p {
  margin: 0;
}

.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.team-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(24, 19, 17, 0.92);
  border: 1px solid rgba(215, 170, 88, 0.1);
  color: var(--muted);
  font-size: 0.9rem;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.road-step h3 {
  margin: 12px 0 8px;
  font-size: 1.28rem;
}

.road-step p {
  margin: 0;
}

.roadmap-detail {
  grid-column: 1 / -1;
}

.content-detail.is-refreshing,
.resource-detail.is-refreshing,
.story-detail.is-refreshing,
.roadmap-detail.is-refreshing {
  animation: panelRefresh 0.38s ease;
}

@keyframes panelRefresh {
  0% {
    opacity: 0.58;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.contact-panel {
  grid-template-columns: minmax(0, 1.1fr) 280px;
  align-items: center;
}

.contact-panel.contact-panel-single {
  grid-template-columns: 1fr;
}

.contact-copy {
  min-width: 0;
}

.contact-copy h2 {
  margin: 0 0 12px;
  font-family: "STZhongsong", "Songti SC", "Source Han Serif SC", serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.contact-copy p {
  margin: 0;
  max-width: 46rem;
}

.contact-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-list article {
  padding: 18px;
}

.contact-card-copy {
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.contact-card-copy:hover,
.contact-card-copy:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(215, 170, 88, 0.18);
  background: rgba(27, 22, 18, 0.98);
}

.contact-list strong {
  font-size: 1rem;
  line-height: 1.65;
}

.contact-list em {
  display: block;
  margin-top: 10px;
  color: var(--gold);
  font-style: normal;
  font-size: 0.84rem;
}

.contact-list a {
  color: var(--gold-soft);
  word-break: break-all;
}

.contact-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-action {
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(215, 170, 88, 0.18);
  background: rgba(255, 255, 255, 0.04);
  color: var(--gold-soft);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.contact-action:hover {
  transform: translateY(-2px);
  border-color: rgba(215, 170, 88, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.contact-feedback {
  margin-top: 14px;
  color: var(--gold);
  font-size: 0.92rem;
}

.qr-card {
  padding: 24px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(30, 25, 21, 0.96), rgba(16, 13, 12, 0.96));
}

.qr-card img {
  width: min(100%, 220px);
  margin: 0 auto 18px;
  border-radius: 18px;
  border: 10px solid rgba(255, 245, 230, 0.88);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
}

.qr-card strong {
  font-size: 1.18rem;
}

.qr-card p {
  margin: 8px 0 0;
}

.site-footer {
  width: var(--content-width);
  margin: 0 auto 32px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.site-footer p,
.site-footer span {
  margin: 0;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(36, 16, 10, 0.78);
  backdrop-filter: blur(8px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-figure {
  margin: 0;
  max-width: min(1080px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lightbox-figure img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.lightbox-figure figcaption {
  color: #fff3e4;
  text-align: center;
  line-height: 1.7;
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff8f0;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-arrow,
.lightbox-close {
  transition: transform 0.25s ease, background 0.25s ease;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff8f0;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
}

.lightbox-prev {
  left: 22px;
}

.lightbox-next {
  right: 22px;
}

.lightbox-arrow:hover,
.lightbox-arrow:focus-visible,
.lightbox-close:hover,
.lightbox-close:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.lightbox-arrow:hover,
.lightbox-arrow:focus-visible {
  transform: translateY(-50%) scale(1.04);
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  transform: scale(1.04);
}

.site-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 60;
  min-width: 220px;
  max-width: calc(100vw - 32px);
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(215, 170, 88, 0.18);
  background: rgba(14, 12, 11, 0.96);
  color: #fff3e4;
  text-align: center;
  transform: translateX(-50%) translateY(14px);
  opacity: 0;
  transition: opacity 0.28s ease, transform 0.28s ease;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.26);
}

.site-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-scroll {
  overflow: hidden;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 560px;
  }

  .content-grid,
  .story-grid,
  .planning-grid,
  .contact-panel,
  .content-detail,
  .story-detail,
  .roadmap-detail,
  .resource-layout {
    grid-template-columns: 1fr;
  }

  .roadmap {
    grid-template-columns: 1fr;
  }

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

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

  .gallery-featured {
    min-height: 540px;
  }

  .gallery-detail-card,
  .gallery-close-card,
  .gallery-wall-card,
  .gallery-poster-card {
    min-height: 260px;
  }
}

@media (max-width: 900px) {
  .site-shell::before,
  .site-shell::after,
  .ambient {
    display: none;
  }

  .site-header {
    padding: 14px 16px;
    border-radius: 28px;
    align-items: center;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    width: 100%;
    display: none;
    padding-top: 4px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .hero {
    padding: 26px 20px;
  }

  .hero-stats,
  .intro-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    flex-direction: column;
  }

  .frame-large {
    inset: 0 22px 110px 0;
  }

  .frame-detail {
    width: 44%;
    height: 280px;
  }

  .frame-poster {
    width: 38%;
    height: 250px;
  }

  .resource-panel {
    grid-template-columns: 1fr;
  }

  .gallery-stack,
  .gallery-strip {
    grid-template-columns: 1fr;
  }

  .gallery-featured {
    min-height: 460px;
  }

  .gallery-detail-card,
  .gallery-close-card,
  .gallery-wall-card,
  .gallery-poster-card {
    min-height: 240px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  main,
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: calc(100% - 20px);
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .brand-copy strong {
    font-size: 1rem;
  }

  .brand-copy small {
    font-size: 0.76rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-visual {
    min-height: 460px;
  }

  .frame-large {
    inset: 0 8px 100px 0;
  }

  .frame-detail {
    width: 46%;
    height: 220px;
    top: 20px;
  }

  .frame-poster {
    width: 40%;
    height: 200px;
    left: 0;
  }

  .section,
  .paper-card,
  .metric-card,
  .content-card,
  .story-card,
  .team-card,
  .road-step,
  .contact-list article,
  .qr-card {
    border-radius: 20px;
  }

  .section {
    padding: 22px 18px;
  }

  .resource-tabs {
    flex-direction: column;
  }

  .gallery-featured {
    min-height: 380px;
  }

  .gallery-detail-card,
  .gallery-close-card,
  .gallery-wall-card,
  .gallery-poster-card {
    min-height: 220px;
  }

  .contact-list {
    grid-template-columns: 1fr;
  }

  .lightbox {
    padding: 16px;
  }

  .lightbox-arrow {
    width: 44px;
    height: 44px;
    font-size: 1.6rem;
  }

  .lightbox-prev {
    left: 12px;
  }

  .lightbox-next {
    right: 12px;
  }
}