:root {
  color-scheme: dark;
  --bg: #07090d;
  --panel: #0d1118;
  --panel-2: #111723;
  --line: rgba(120, 255, 206, 0.18);
  --text: #eef7f4;
  --muted: #8b9b98;
  --green: #65f5bd;
  --blue: #70a7ff;
  --yellow: #f4c864;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(120, 255, 206, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 255, 206, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 20% 0%, rgba(112, 167, 255, 0.18), transparent 32%),
    #07090d;
  background-size: 32px 32px, 32px 32px, auto, auto;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
}

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

h1,
h2,
p {
  margin-top: 0;
}

.app {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 56px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 12px 0;
  background: rgba(7, 9, 13, 0.86);
  backdrop-filter: blur(14px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--text);
  font-weight: 900;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 20px var(--green);
}

.nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.nav a,
.status-line span,
.tags span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(13, 17, 24, 0.82);
}

.nav a {
  min-height: 34px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.hero {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(52px, 10vw, 104px) 0;
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
}

.status-line span {
  padding: 8px 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.label {
  margin-bottom: 10px;
  color: var(--blue);
  font-weight: 900;
}

h1 {
  margin-bottom: 4px;
  font-size: clamp(70px, 15vw, 170px);
  line-height: 0.9;
  letter-spacing: 0;
}

.symbol {
  margin-bottom: 26px;
  color: var(--yellow);
  font-size: clamp(30px, 6vw, 58px);
  font-weight: 950;
  line-height: 1;
}

.intro,
.body-copy {
  max-width: 800px;
  color: #b7c5c1;
  font-size: clamp(17px, 2vw, 21px);
}

.panel {
  margin-bottom: 16px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 17, 24, 0.88);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.panel-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.panel-head span {
  color: var(--green);
  font-weight: 950;
}

.panel-head h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.05;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.data-grid div,
.rows > div,
.flow > div {
  border: 1px solid rgba(238, 247, 244, 0.1);
  border-radius: 6px;
  background: var(--panel-2);
}

.data-grid div {
  min-height: 76px;
  display: flex;
  align-items: center;
  padding: 16px;
  color: var(--text);
  font-weight: 800;
}

.rows {
  display: grid;
  gap: 10px;
}

.rows > div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 18px;
}

.rows strong,
.flow span {
  color: var(--yellow);
}

.rows p,
.flow p {
  margin: 0;
  color: var(--muted);
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.flow > div {
  min-height: 150px;
  padding: 18px;
}

.flow span {
  display: block;
  margin-bottom: 14px;
  font-size: 22px;
  font-weight: 950;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tags span {
  padding: 8px 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 560px;
  }

  .data-grid,
  .flow {
    grid-template-columns: 1fr 1fr;
  }

  .rows > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 560px) {
  .app {
    width: min(100% - 24px, var(--max));
  }

  .hero {
    min-height: auto;
    padding: 48px 0;
  }

  .data-grid,
  .flow {
    grid-template-columns: 1fr;
  }
}
