:root {
  --bg: #071e22;
  --bg-soft: #0f2c31;
  --panel: rgba(9, 40, 44, 0.78);
  --panel-strong: rgba(9, 40, 44, 0.92);
  --text: #eff7ef;
  --muted: #b9d4ca;
  --line: rgba(216, 244, 229, 0.14);
  --primary: #f7c66b;
  --accent: #6fe1c2;
  --accent-deep: #1e8b75;
  --danger: #ff8d64;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(111, 225, 194, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(247, 198, 107, 0.18), transparent 26%),
    linear-gradient(160deg, #05171a 0%, #0a2628 48%, #10383f 100%);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  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: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.62), transparent 86%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.hero {
  position: relative;
  padding: 10px 0 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(4, 18, 20, 0.45);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding: 62px 0 24px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  font-family: "STSong", "Songti SC", "Noto Serif SC", serif;
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  font-size: clamp(40px, 6vw, 72px);
  max-width: 11ch;
}

.hero-text {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary), #ffe4a4);
  color: #0a282b;
  box-shadow: 0 18px 38px rgba(247, 198, 107, 0.22);
}

.button-secondary {
  background: rgba(239, 247, 239, 0.08);
  color: var(--text);
  border: 1px solid rgba(239, 247, 239, 0.12);
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
}

.hero-points li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.hero-card {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: min(420px, 100%);
  padding: 20px;
  border: 1px solid rgba(239, 247, 239, 0.12);
  border-radius: 36px;
  background:
    radial-gradient(circle at top, rgba(247, 198, 107, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(17, 54, 60, 0.96), rgba(10, 36, 40, 0.92));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.phone-top,
.forecast-list div,
.oracle-controls,
.spot-header,
.spot-meta,
.stats-title,
.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

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

.forecast-badge {
  margin-top: 22px;
  padding: 22px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(247, 198, 107, 0.22), rgba(111, 225, 194, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.forecast-badge strong {
  display: block;
  font-size: 32px;
}

.forecast-badge span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.forecast-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.forecast-list div {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  align-items: center;
}

.forecast-list span {
  color: var(--muted);
  font-size: 14px;
}

.forecast-list strong {
  text-align: right;
}

.phone-wave {
  height: 110px;
  margin-top: 24px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 24% 24%, rgba(255, 255, 255, 0.18), transparent 20%),
    radial-gradient(circle at 76% 38%, rgba(255, 255, 255, 0.12), transparent 16%),
    linear-gradient(180deg, rgba(111, 225, 194, 0.08), rgba(111, 225, 194, 0.35));
  position: relative;
}

.phone-wave::before,
.phone-wave::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 62px;
  border-radius: 100% 100% 0 0;
  background: rgba(255, 255, 255, 0.12);
}

.phone-wave::before {
  transform: translateY(26px);
}

.phone-wave::after {
  height: 54px;
  opacity: 0.55;
}

.section {
  margin-top: 44px;
  padding: 34px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(8, 28, 31, 0.9), rgba(9, 37, 40, 0.82));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  font-size: clamp(28px, 4vw, 48px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.feature-panel,
.spot-card,
.stats-card,
.launch-card {
  border-radius: 28px;
  padding: 26px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.feature-panel-large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 22px;
}

.feature-panel h3,
.launch-card strong,
.stats-copy strong,
.spot-header strong {
  margin: 14px 0 0;
  font-size: 28px;
  line-height: 1.2;
}

.feature-panel p,
.spot-card p,
.launch-card p,
.stats-copy p,
.oracle-lines p {
  color: var(--muted);
  line-height: 1.75;
  margin: 14px 0 0;
}

.tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(111, 225, 194, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.oracle-card {
  padding: 22px;
  border-radius: 26px;
  background:
    radial-gradient(circle at top left, rgba(247, 198, 107, 0.15), transparent 28%),
    rgba(5, 21, 24, 0.65);
}

.oracle-controls {
  flex-wrap: wrap;
}

.oracle-button {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
}

.oracle-button.active {
  color: #072124;
  background: linear-gradient(135deg, var(--primary), #ffe3a0);
}

.oracle-result {
  margin-top: 18px;
}

.oracle-score {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.oracle-score span {
  color: var(--muted);
}

.oracle-score strong {
  font-size: 40px;
}

.spot-grid,
.launch-grid,
.stats-layout {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

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

.spot-city {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.spot-header {
  align-items: center;
}

.spot-meta {
  margin-top: 18px;
  flex-direction: column;
  color: var(--muted);
  font-size: 14px;
}

.spot-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.spot-link::after {
  content: "→";
  margin-left: 8px;
}

.stats-layout {
  grid-template-columns: 1.1fr 0.9fr;
}

.bar-chart {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: end;
  min-height: 260px;
  padding-top: 26px;
}

.bar-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.bar {
  width: 100%;
  max-width: 82px;
  height: var(--bar-height);
  min-height: 36px;
  border-radius: 24px 24px 12px 12px;
  background: linear-gradient(180deg, var(--accent), rgba(111, 225, 194, 0.22));
  box-shadow: inset 0 -8px 24px rgba(0, 0, 0, 0.12);
}

.bar-column strong,
.bar-column small {
  color: var(--muted);
}

.stats-card-highlight {
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(247, 198, 107, 0.2), transparent 30%),
    linear-gradient(180deg, rgba(17, 54, 60, 0.95), rgba(8, 25, 27, 0.95));
}

.donut-shell {
  padding: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.donut-ring {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, #0a2a2d 0 55%, transparent 56%),
    conic-gradient(from 220deg, var(--primary) 0 22%, var(--accent) 22% 92%, rgba(255, 255, 255, 0.1) 92% 100%);
}

.donut-ring span {
  font-family: "STSong", "Songti SC", serif;
  font-size: 48px;
  font-weight: 700;
}

.launch-card strong {
  display: block;
  margin: 0;
  font-size: 22px;
}

.footer {
  align-items: center;
  margin-top: 28px;
  padding: 26px 6px 0;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer p {
  margin: 8px 0 0;
  color: var(--muted);
}

.policy-shell {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.policy-hero {
  padding: 10px 0 18px;
}

.policy-panel {
  margin-top: 28px;
  padding: 34px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(8, 28, 31, 0.94), rgba(9, 37, 40, 0.88));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.policy-panel h1,
.policy-panel h2 {
  margin: 0;
  font-family: "STSong", "Songti SC", "Noto Serif SC", serif;
  line-height: 1.1;
}

.policy-panel h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.policy-panel h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin-top: 30px;
}

.policy-lead {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.policy-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.policy-card {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.policy-card strong {
  display: block;
  font-size: 14px;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.policy-card span,
.policy-card a {
  display: block;
  margin-top: 8px;
  color: var(--text);
  text-decoration: none;
  line-height: 1.7;
}

.policy-section p,
.policy-section li {
  color: var(--muted);
  line-height: 1.9;
}

.policy-section p {
  margin: 16px 0 0;
}

.policy-list,
.policy-links {
  margin: 18px 0 0;
  padding-left: 20px;
}

.policy-list li + li,
.policy-links li + li {
  margin-top: 10px;
}

.policy-links a {
  color: var(--accent);
}

.policy-note {
  margin-top: 30px;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(247, 198, 107, 0.08);
  border: 1px solid rgba(247, 198, 107, 0.16);
}

.policy-note strong {
  color: var(--primary);
}

@media (max-width: 960px) {
  .hero-content,
  .feature-panel-large,
  .stats-layout,
  .spot-grid,
  .launch-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-panel-large {
    grid-column: span 1;
  }

  .topbar,
  .footer {
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }

  .policy-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .section {
    padding: 24px 18px;
  }

  .policy-shell {
    width: min(100% - 20px, 900px);
    padding-top: 10px;
  }

  .policy-panel {
    padding: 24px 18px;
  }

  .hero-actions,
  .nav-links,
  .oracle-controls,
  .footer-actions {
    width: 100%;
  }

  .button,
  .oracle-button {
    width: 100%;
  }

  .bar-chart {
    min-height: 220px;
    gap: 12px;
  }

  .donut-ring {
    width: 180px;
    height: 180px;
  }
}