:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --text: #e9eef5;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, 0.22);
  --accent: #38bdf8;
  --accent2: #a78bfa;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --r12: 12px;
  --r16: 16px;
  --pad: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: radial-gradient(1200px 800px at 10% 10%, rgba(56, 189, 248, 0.18), transparent 60%),
    radial-gradient(900px 700px at 90% 20%, rgba(167, 139, 250, 0.14), transparent 55%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

.skip {
  position: absolute;
  left: 8px;
  top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(11, 18, 32, 0.92);
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  transform: translateY(-150%);
  transition: transform 150ms ease;
  z-index: 50;
}

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

.shell {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: calc(10px + env(safe-area-inset-top));
  padding-bottom: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 132px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.16);
}

.brandText {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2px;
  color: rgba(233, 238, 245, 0.92);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.nav::-webkit-scrollbar {
  display: none;
}

.navPill {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(233, 238, 245, 0.9);
  border-radius: 999px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1;
}

.navPill:active {
  transform: translateY(1px);
}

.navPill.isActive {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
  background: rgba(56, 189, 248, 0.12);
}

.hero {
  position: relative;
  min-height: 82vh;
  display: grid;
  align-items: end;
  padding-bottom: 30px;
}

.heroBg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.heroImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  filter: contrast(1.02) saturate(1.05);
}

.heroShade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.2) 0%, rgba(11, 18, 32, 0.62) 55%, rgba(11, 18, 32, 0.96) 100%);
}

.heroInner {
  position: relative;
  z-index: 1;
  padding-top: 42px;
}

.eyebrow {
  margin: 0;
  color: rgba(233, 238, 245, 0.86);
  font-size: 13px;
  letter-spacing: 0.3px;
}

h1 {
  margin: 10px 0 10px;
  font-size: clamp(34px, 7.2vw, 52px);
  letter-spacing: -0.8px;
  line-height: 1.05;
}

.sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(233, 238, 245, 0.88);
  max-width: 48ch;
}

.heroActions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
}

.btnPrimary,
.btnGhost {
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1;
  border: 1px solid transparent;
}

.btnPrimary {
  color: #071017;
  background: linear-gradient(135deg, rgba(56, 189, 248, 1), rgba(167, 139, 250, 1));
  box-shadow: 0 16px 40px rgba(56, 189, 248, 0.18);
}

.btnPrimary:active {
  transform: translateY(1px);
}

.btnGhost {
  color: rgba(233, 238, 245, 0.92);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.btnGhost:active {
  transform: translateY(1px);
}

.section {
  padding: 40px 0;
}

.section h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.2px;
}

.lead {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(233, 238, 245, 0.92);
}

.muted {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

.card {
  border-radius: var(--r16);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 16px;
}

.card h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.card p {
  margin: 10px 0 0;
  color: rgba(233, 238, 245, 0.9);
  font-size: 14px;
  line-height: 1.75;
}

.quote {
  margin: 16px 0 0;
  border-left: 2px solid rgba(56, 189, 248, 0.6);
  padding: 12px 14px;
  background: rgba(56, 189, 248, 0.08);
  border-radius: 0 var(--r16) var(--r16) 0;
  color: rgba(233, 238, 245, 0.92);
  line-height: 1.75;
}

.quoteBy {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

.mini {
  padding: 16px;
  border-radius: var(--r16);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.miniIcon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: radial-gradient(16px 16px at 30% 30%, rgba(56, 189, 248, 0.85), rgba(167, 139, 250, 0.25));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.mini h3 {
  margin: 10px 0 0;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.mini p {
  margin: 10px 0 0;
  color: rgba(233, 238, 245, 0.88);
  font-size: 14px;
  line-height: 1.75;
}

.sectionHead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.galleryActions {
  display: flex;
  gap: 10px;
}

.iconBtn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(233, 238, 245, 0.92);
  font-size: 22px;
  line-height: 1;
}

.iconBtn:active {
  transform: translateY(1px);
}

.gallery {
  margin-top: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.track {
  display: flex;
  will-change: transform;
  transform: translateX(0);
}

.slide {
  margin: 0;
  width: 100%;
  flex: 0 0 100%;
  user-select: none;
}

.slide img {
  width: 100%;
  height: min(52vh, 420px);
  object-fit: cover;
  display: block;
}

.slide figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: rgba(233, 238, 245, 0.84);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.galleryMeta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.indicator {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(233, 238, 245, 0.90);
  font-size: 13px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

.accordion {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.accItem {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.accBtn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px;
  font-size: 14px;
  color: rgba(233, 238, 245, 0.92);
  background: transparent;
  border: 0;
}

.chev {
  transform: rotate(90deg);
  opacity: 0.8;
  transition: transform 180ms ease;
}

.accBtn[aria-expanded="true"] .chev {
  transform: rotate(270deg);
}

.accPanel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 180ms ease;
}

.accPanel.isOpen {
  grid-template-rows: 1fr;
}

.accInner {
  overflow: hidden;
  padding: 0 14px 14px;
}

.accInner p {
  margin: 0;
  color: rgba(233, 238, 245, 0.88);
  font-size: 14px;
  line-height: 1.75;
}

.facts {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  padding: 14px;
}

.k {
  color: var(--muted);
  font-size: 13px;
}

.v {
  color: rgba(233, 238, 245, 0.92);
  font-weight: 700;
  font-size: 14px;
  text-align: right;
}

.footer {
  padding: 22px 0 calc(28px + env(safe-area-inset-bottom));
}

.footLine {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.footText {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.toTop {
  position: fixed;
  right: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: blur(10px);
  color: rgba(233, 238, 245, 0.92);
  font-size: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 40;
}

.toTop.isOn {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.toTop:active {
  transform: translateY(1px);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 60;
}

.modal.isOpen {
  display: block;
}

.modalShade {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
}

.modalBody {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 520px);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 18, 32, 0.92);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modalClose {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(233, 238, 245, 0.92);
  font-size: 22px;
  line-height: 1;
}

.modalImg {
  width: 100%;
  height: min(62vh, 520px);
  object-fit: cover;
  display: block;
}

.modalCap {
  padding: 12px 14px;
  color: rgba(233, 238, 245, 0.84);
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  :root {
    --pad: 20px;
  }
  .grid2 {
    grid-template-columns: 1fr 1fr;
  }
  .cards {
    grid-template-columns: 1fr 1fr;
  }
  .facts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toTop,
  .chev,
  .accPanel {
    transition: none;
  }
}