:root {
  color-scheme: light;
  --bg: #f3f5f8;
  --panel: rgba(255, 255, 255, 0.6);
  --panel-strong: #ffffff99;
  --text: #172033;
  --muted: #627087;
  --accent: #2176ff;
  --accent-soft: rgba(33, 118, 255, 0.12);
  --shadow: 0 20px 50px rgba(44, 62, 99, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--text);
  background-image: url("/asset/bg.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 104px 0 72px;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  min-height: 68px;
  padding: 0;
  background: var(--panel);
  /*backdrop-filter: blur(8px);*/
}

.hero,
.section {
  background: var(--panel);
  /*backdrop-filter: blur(8px);*/
  box-shadow: var(--shadow);
}

.topbar-inner {
  width: 100%;
  max-width: 1120px;
  min-height: 68px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  background: #00000000;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.hero {
  border-radius: 24px;
  padding: 24px;
  margin-bottom: 20px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.section {
  border-radius: 24px;
  padding: 32px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: 24px;
}

.section-head p {
  color: var(--muted);
}

.api-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.api-card-link {
  color: inherit;
  text-decoration: none;
}

.api-card {
  min-height: 176px;
  padding: 20px;
  border-radius: 18px;
  background: var(--panel-strong);
}

.tag {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.api-card h3 {
  margin-top: 16px;
  font-size: 18px;
  line-height: 1.35;
}

.api-card p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.65;
}

code {
  font-family: "SFMono-Regular", "JetBrains Mono", monospace;
  font-size: 0.95em;
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 24px, 1120px);
    padding: 92px 0 48px;
  }

  .hero,
  .section {
    border-radius: 20px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-inner {
    min-height: 56px;
    padding: 0 16px;
  }

  .hero,
  .section {
    padding: 24px;
  }
}