:root {
  --bg: #f5f8ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #263554;
  --muted: #60718f;
  --primary: #4169e1;
  --primary-dark: #284fb8;
  --secondary: #34c759;
  --accent: #ff9500;
  --line: rgba(65, 105, 225, 0.12);
  --shadow: 0 18px 50px rgba(43, 78, 164, 0.15);
  --hero-gradient: linear-gradient(135deg, rgba(65, 105, 225, 0.92), rgba(126, 87, 194, 0.9));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(65, 105, 225, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(52, 199, 89, 0.08), transparent 28%),
    var(--bg);
}

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

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

ul {
  margin: 0;
  padding-left: 1.1rem;
}

p,
li,
blockquote,
cite {
  line-height: 1.75;
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  width: min(1000px, 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(65, 105, 225, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

.nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.nav-link {
  position: relative;
  padding: 8px 0;
  font-weight: 600;
  color: var(--muted);
}

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

.nav-link:hover,
.nav-link.is-active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 78vh;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  background:
    var(--hero-gradient),
    url("https://images.unsplash.com/photo-1576091160550-2173dba999ef?auto=format&fit=crop&w=1950&q=80") center/cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 16, 32, 0.18), rgba(10, 16, 32, 0.42)),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.06), transparent 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 0 110px;
}

.eyebrow {
  margin: 0 0 18px;
  letter-spacing: 0.32em;
  font-size: 0.9rem;
  opacity: 0.85;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 1.15;
}

.hero h2 {
  margin: 22px auto 0;
  max-width: 980px;
  font-size: clamp(1.25rem, 3vw, 2.7rem);
  font-weight: 500;
}

.hero-copy {
  margin: 20px auto 0;
  max-width: 780px;
  font-size: clamp(1rem, 2vw, 1.7rem);
  opacity: 0.92;
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.34;
}

.glow-a {
  width: 220px;
  height: 220px;
  left: 8%;
  top: 16%;
  background: rgba(255, 255, 255, 0.22);
  animation: float 8s ease-in-out infinite;
}

.glow-b {
  width: 160px;
  height: 160px;
  right: 11%;
  bottom: 14%;
  background: rgba(255, 255, 255, 0.18);
  animation: float 10s ease-in-out infinite reverse;
}

.section {
  padding: 88px 0;
}

.alt-bg {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(230, 239, 255, 0.5));
}

.section-title {
  margin: 0 0 18px;
  text-align: center;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  color: var(--primary);
}

.section-subtitle {
  margin: 0 auto 34px;
  max-width: 820px;
  text-align: center;
  color: var(--muted);
}

.intro-card,
.info-card,
.glass-card,
.honor-card,
.policy-card,
.text-panel,
.value-card,
.feature-card,
.stat-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.intro-card {
  padding: 32px;
  margin-bottom: 28px;
}

.market-intro {
  margin-top: 0;
  font-size: 1.06rem;
  color: var(--muted);
  text-align: center;
}

blockquote {
  margin: 22px 0 10px;
  font-size: 1.15rem;
  font-weight: 600;
  text-align: center;
  color: var(--text);
}

cite {
  display: block;
  text-align: right;
  color: var(--muted);
}

.stats-grid,
.feature-grid,
.three-grid,
.values-grid,
.info-grid,
.two-grid,
.policy-grid {
  display: grid;
  gap: 24px;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 30px 0;
}

.stat-card {
  padding: 28px 24px;
  text-align: center;
}

.stat-number {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

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

.policy-card {
  display: flex;
  gap: 16px;
  padding: 24px;
}

.icon-badge,
.feature-icon {
  width: 54px;
  height: 54px;
  display: inline-grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(65, 105, 225, 0.14), rgba(52, 199, 89, 0.14));
  font-size: 1.7rem;
}

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

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

.feature-card,
.glass-card,
.honor-card,
.value-card,
.info-card,
.text-panel {
  padding: 28px;
}

.feature-card h3,
.feature-card h4,
.glass-card h4,
.honor-card h4,
.value-card h3,
.info-card h3 {
  margin: 18px 0 12px;
  color: var(--primary);
}

.feature-card ul,
.glass-card ul,
.bullet-list {
  color: var(--muted);
}

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

.honor-card,
.value-card {
  text-align: center;
}

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

.info-card.wide {
  grid-column: 1 / -1;
}

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

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

.text-panel p:first-child {
  margin-top: 0;
}

.text-panel p:last-child {
  margin-bottom: 0;
}

.logo-wall {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.top-spacing {
  padding-top: 28px;
}

.site-footer {
  background: linear-gradient(90deg, #2f3545, #404a61);
  color: rgba(255, 255, 255, 0.84);
}

.footer-inner {
  padding: 28px 0;
  text-align: center;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-22px);
  }
}

@media (max-width: 980px) {
  .feature-grid,
  .six-col,
  .three-grid,
  .values-grid,
  .stats-grid,
  .two-grid,
  .policy-grid,
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .nav {
    justify-content: center;
    gap: 18px;
  }

  .hero {
    min-height: 64vh;
  }

  .hero-content {
    padding: 110px 0 90px;
  }

  .feature-grid,
  .six-col,
  .three-grid,
  .values-grid,
  .stats-grid,
  .two-grid,
  .policy-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 0;
  }

  .intro-card,
  .feature-card,
  .glass-card,
  .honor-card,
  .value-card,
  .info-card,
  .text-panel,
  .policy-card,
  .stat-card {
    padding: 22px;
  }
}