:root {
  --bg: #071120;
  --bg-deep: #020611;
  --surface: rgba(11, 24, 43, 0.74);
  --surface-strong: rgba(10, 20, 36, 0.92);
  --surface-soft: rgba(111, 231, 255, 0.08);
  --line: rgba(179, 213, 255, 0.14);
  --line-strong: rgba(111, 231, 255, 0.28);
  --text: #f2f7ff;
  --muted: #97aac8;
  --accent: #78e9ff;
  --accent-strong: #23c3ff;
  --accent-secondary: #7d8dff;
  --shadow: 0 24px 80px rgba(1, 8, 26, 0.52);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(48, 104, 255, 0.2), transparent 30%),
    radial-gradient(circle at top right, rgba(120, 233, 255, 0.16), transparent 26%),
    linear-gradient(180deg, #0c1830 0%, var(--bg) 42%, var(--bg-deep) 100%);
  color: var(--text);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 86%);
  pointer-events: none;
}

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

button {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  pointer-events: none;
}

.page-shell::before {
  width: 500px;
  height: 500px;
  top: 180px;
  right: -120px;
  background: radial-gradient(circle, rgba(120, 233, 255, 0.16), transparent 65%);
}

.page-shell::after {
  width: 420px;
  height: 420px;
  left: -140px;
  top: 720px;
  background: radial-gradient(circle, rgba(73, 113, 255, 0.16), transparent 65%);
}

.site-header,
.hero,
.partners,
.section,
.site-footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  background: linear-gradient(180deg, rgba(2, 7, 19, 0.88), rgba(2, 7, 19, 0.28));
  backdrop-filter: blur(18px);
  transition: padding 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  padding: 12px 0;
  background: linear-gradient(180deg, rgba(2, 7, 19, 0.94), rgba(2, 7, 19, 0.54));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  min-width: 54px;
  min-height: 54px;
  padding: 3px;
  border-radius: 18px;
  display: block;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 196, 86, 0.92), rgba(91, 210, 255, 0.92));
  box-shadow:
    0 10px 30px rgba(24, 145, 255, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  isolation: isolate;
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 17px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.02));
  pointer-events: none;
  z-index: 1;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
  z-index: 1;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 15px;
  filter: saturate(1.08) contrast(1.05);
  transform: scale(1.08);
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  line-height: 1.05;
}

.brand-copy small {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.1;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
}

.site-nav a {
  position: relative;
  transition: color 0.2s ease;
}

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

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  color: #071120;
  background: linear-gradient(135deg, var(--accent), #dff8ff);
  font-weight: 700;
}

.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(111, 231, 255, 0.06);
  color: var(--text);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 42px;
  padding: 56px 40px 44px;
  align-items: center;
  border-radius: 38px;
  background:
    radial-gradient(circle at 18% 22%, rgba(120, 233, 255, 0.14), transparent 24%),
    radial-gradient(circle at 84% 10%, rgba(91, 210, 255, 0.08), transparent 22%),
    linear-gradient(180deg, rgba(10, 21, 39, 0.82), rgba(8, 18, 37, 0.64));
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 74% 24%, rgba(255, 184, 69, 0.1), transparent 18%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  opacity: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 32%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02), transparent 28%);
  pointer-events: none;
}

.hero-copy,
.hero-stage {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 16px;
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.24em;
  font-size: 1.05rem;
  color: var(--accent);
}

.hero h1,
.section h2,
.cta-panel h2 {
  margin: 0;
  line-height: 0.98;
  font-weight: 900;
}

.hero h1 {
  font-size: clamp(3.4rem, 6vw, 6.6rem);
  max-width: 12ch;
}

.hero h1 span {
  color: var(--accent);
  display: block;
  text-shadow: 0 0 28px rgba(120, 233, 255, 0.22);
}

.hero-text {
  max-width: 680px;
  margin: 24px 0 0;
  font-size: 1.08rem;
  line-height: 1.9;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

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

.button-primary {
  color: #071120;
  background: linear-gradient(135deg, var(--accent), #d8f8ff);
  box-shadow: 0 16px 34px rgba(35, 195, 255, 0.2);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.hero-strip div {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

.hero-strip span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.hero-strip strong {
  display: block;
  line-height: 1.55;
}

.hero-stage {
  position: relative;
}

.stadium-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(120, 233, 255, 0.2);
  background:
    radial-gradient(circle at top, rgba(73, 113, 255, 0.18), transparent 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.stadium-card::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: calc(var(--radius-xl) - 12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.stadium-screen {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(12, 28, 55, 0.88), rgba(3, 9, 22, 0.97)),
    linear-gradient(90deg, transparent 49%, rgba(255, 255, 255, 0.04) 50%, transparent 51%);
}

.stadium-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.06), transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: auto, 28px 28px, 28px 28px;
  pointer-events: none;
}

.screen-top,
.screen-main,
.screen-grid {
  position: relative;
  z-index: 1;
}

.screen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.screen-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-top: 44px;
  margin-bottom: 28px;
}

.token-badge {
  width: 128px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: "Bebas Neue", sans-serif;
  font-size: 3.4rem;
  letter-spacing: 0.08em;
  color: #071120;
  background:
    radial-gradient(circle at 30% 30%, #ffffff, transparent 26%),
    linear-gradient(145deg, #eff8ff, #7bd9ff);
  box-shadow:
    inset 0 0 0 10px rgba(255, 255, 255, 0.18),
    0 18px 48px rgba(35, 195, 255, 0.28);
  animation: floatBadge 5s ease-in-out infinite;
}

.token-price small,
.metric-card small,
.metric-card span {
  display: block;
}

.token-price small {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.token-price strong {
  display: block;
  font-size: clamp(3rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.token-price span {
  display: inline-flex;
  padding: 8px 12px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(120, 233, 255, 0.16);
  color: #bdf6ff;
  font-weight: 700;
}

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

.metric-card {
  padding: 18px;
  min-height: 126px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.metric-card small {
  color: var(--muted);
  margin-bottom: 10px;
}

.metric-card strong {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.metric-card span {
  font-size: 0.88rem;
  color: var(--muted);
}

.stadium-glow {
  position: absolute;
  top: 50%;
  width: 24px;
  height: 220px;
  border-radius: 999px;
  transform: translateY(-50%);
  filter: blur(4px);
  opacity: 0.7;
}

.stadium-glow-left {
  left: -8px;
  background: linear-gradient(180deg, transparent, rgba(73, 113, 255, 0.75), transparent);
}

.stadium-glow-right {
  right: -8px;
  background: linear-gradient(180deg, transparent, rgba(120, 233, 255, 0.75), transparent);
}

.partners {
  padding: 18px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.partners p {
  margin: 0;
  color: var(--muted);
}

.ticker {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}

.ticker span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d9e8ff;
  font-size: 0.92rem;
}

.section {
  padding: 110px 0 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 38px;
}

.section h2,
.cta-panel h2 {
  font-size: clamp(2.2rem, 4vw, 4.4rem);
  max-width: 12ch;
}

.feature-grid,
.ecosystem-grid,
.stats-grid {
  display: grid;
  gap: 20px;
}

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

.feature-card,
.eco-card,
.stats-card,
.token-item,
.timeline-item,
.cta-panel,
.faq-item {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.feature-card {
  min-height: 260px;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-index {
  display: inline-flex;
  margin-bottom: 54px;
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.feature-card h3,
.token-item h3,
.eco-card h3,
.timeline-item h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

.feature-card p,
.token-item p,
.eco-card p,
.timeline-item p,
.cta-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.tokenomics-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 28px;
  align-items: start;
}

.token-wheel {
  position: sticky;
  top: 110px;
  min-height: 520px;
  border-radius: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at center, rgba(120, 233, 255, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.wheel-core {
  position: relative;
  z-index: 1;
  width: 240px;
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.12), rgba(8, 18, 37, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.wheel-core span,
.wheel-core small {
  color: var(--muted);
}

.wheel-core strong {
  font-family: "Bebas Neue", sans-serif;
  font-size: 2.7rem;
  line-height: 1;
  letter-spacing: 0.05em;
}

.wheel-ring {
  position: absolute;
  width: min(82%, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    conic-gradient(
      from 0deg,
      #78e9ff 0deg 126deg,
      #51cfff 126deg 198deg,
      #3e97ff 198deg 252deg,
      #566aff 252deg 306deg,
      #8cb1ff 306deg 342deg,
      #ddf8ff 342deg 360deg
    );
  mask: radial-gradient(circle, transparent 44%, black 45%, black 60%, transparent 61%);
  animation: spinRing 20s linear infinite;
}

.token-list {
  display: grid;
  gap: 18px;
}

.token-item {
  padding: 24px;
  border-radius: 24px;
}

.token-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 10px;
}

.token-top strong {
  font-family: "Bebas Neue", sans-serif;
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--accent);
}

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

.eco-card {
  min-height: 220px;
  padding: 28px;
  border-radius: 28px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.timeline-item {
  padding: 28px;
  border-radius: 28px;
}

.timeline-phase {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(120, 233, 255, 0.12);
  color: var(--accent);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.1em;
}

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

.stats-card {
  min-height: 220px;
  padding: 28px;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.stats-card strong {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.stats-card span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 18px;
}

.faq-item {
  border-radius: 22px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border: 0;
  color: var(--text);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-question span:first-child {
  font-weight: 700;
  font-size: 1.02rem;
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.22s ease;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s ease;
}

.faq-answer p {
  overflow: hidden;
  margin: 0;
  padding: 0 24px 0;
  color: var(--muted);
  line-height: 1.8;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding-bottom: 24px;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.cta-section {
  padding-bottom: 110px;
}

.cta-panel {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  min-height: 440px;
  padding: 42px;
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow);
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(4, 10, 22, 0.9) 0%, rgba(4, 10, 22, 0.78) 28%, rgba(4, 10, 22, 0.34) 62%, rgba(4, 10, 22, 0.18) 100%),
    linear-gradient(180deg, rgba(4, 10, 22, 0.12), rgba(4, 10, 22, 0.42) 62%, rgba(4, 10, 22, 0.76) 100%),
    url("./底图.png") center center / cover no-repeat;
  filter: saturate(1.04) brightness(0.98);
  transform: scale(1.02);
}

.cta-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 74% 14%, rgba(255, 185, 82, 0.2), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(120, 233, 255, 0.08), transparent 24%);
  pointer-events: none;
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  max-width: 10ch;
  margin-bottom: 14px;
}

.cta-panel p {
  max-width: 34rem;
  margin: 0;
  color: rgba(242, 247, 255, 0.78);
  line-height: 1.8;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.32);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 36px;
  color: var(--muted);
}

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

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes floatBadge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes spinRing {
  to {
    transform: rotate(360deg);
  }
}

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

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

  .token-wheel {
    position: relative;
    top: auto;
    min-height: 420px;
  }

  .timeline {
    gap: 16px;
  }

  .partners {
    flex-direction: column;
    align-items: start;
    border-radius: 30px;
  }
}

@media (max-width: 820px) {
  .site-header {
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(5, 11, 24, 0.97);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .site-header.menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    padding-top: 26px;
    padding-right: 22px;
    padding-bottom: 34px;
    padding-left: 22px;
  }

  .hero-strip,
  .ecosystem-grid,
  .cta-panel,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: start;
  }

  .section {
    padding-top: 88px;
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .partners,
  .section,
  .site-footer {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .hero h1 {
    font-size: clamp(2.8rem, 15vw, 4rem);
  }

  .hero {
    padding: 28px 18px 26px;
    border-radius: 30px;
  }

  .hero::before {
    background:
      radial-gradient(circle at 74% 24%, rgba(255, 184, 69, 0.1), transparent 18%),
      linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: auto, 56px 56px, 56px 56px;
    filter: none;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    flex-basis: 46px;
    width: 46px;
    height: 46px;
    min-width: 46px;
    min-height: 46px;
    border-radius: 15px;
  }

  .brand-mark::before {
    border-radius: 14px;
  }

  .brand-mark img {
    border-radius: 12px;
  }

  .brand-copy strong {
    font-size: 0.98rem;
  }

  .brand-copy small {
    font-size: 0.72rem;
  }

  .cta-panel {
    min-height: 360px;
    padding: 26px 20px;
  }

  .cta-panel::before {
    background:
      linear-gradient(180deg, rgba(4, 10, 22, 0.28), rgba(4, 10, 22, 0.56) 56%, rgba(4, 10, 22, 0.9) 100%),
      linear-gradient(90deg, rgba(4, 10, 22, 0.82), rgba(4, 10, 22, 0.18)),
      url("./底图.png") center center / cover no-repeat;
  }

  .hero-text {
    font-size: 1rem;
  }

  .screen-main {
    flex-direction: column;
    align-items: start;
  }

  .screen-grid,
  .feature-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .metric-card,
  .feature-card,
  .eco-card,
  .timeline-item,
  .stats-card {
    min-height: auto;
  }

  .stadium-card,
  .stadium-screen,
  .cta-panel {
    padding: 18px;
  }

  .token-badge {
    width: 104px;
  }

  .wheel-core {
    width: 200px;
  }

  .token-item,
  .eco-card,
  .timeline-item,
  .stats-card {
    padding: 22px;
  }

  .faq-question {
    padding: 20px;
  }

  .faq-answer p {
    padding-left: 20px;
    padding-right: 20px;
  }

  .faq-item.is-open .faq-answer p {
    padding-bottom: 20px;
  }

  .site-footer {
    padding-bottom: 28px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}
