:root {
  --bg: #080d16;
  --panel: rgba(255, 255, 255, 0.08);
  --text: #f8fbff;
  --muted: #b8c4d6;
  --line: rgba(255, 255, 255, 0.15);
  --accent: #5eead4;
  --accent-2: #facc15;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background:
    linear-gradient(110deg, rgba(94, 234, 212, 0.18), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(250, 204, 21, 0.18), transparent 30%),
    linear-gradient(135deg, #080d16, #101827 52%, #071012);
}

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

.wrap {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
}

.brand i {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-style: normal;
  color: #071012;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.hero {
  padding: 58px 0 32px;
}

.hero-inner {
  position: relative;
  overflow: hidden;
  padding: 52px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.3);
}

.hero-inner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.24), transparent 65%);
}

.tagline {
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

h1 {
  max-width: 820px;
  margin: 18px 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  color: #071012;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn.alt {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.section {
  margin: 26px 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.075);
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 3vw, 40px);
}

.section p {
  color: var(--muted);
  line-height: 1.85;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  min-height: 188px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(7, 16, 18, 0.62);
}

.card small {
  color: var(--accent-2);
  font-weight: 800;
}

.card h3 {
  margin: 12px 0;
  font-size: 20px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.78;
}

.card ul {
  margin: 0;
  padding-left: 18px;
}

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

.chips span {
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.page {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  margin: 26px 0 42px;
}

.article,
.side a,
.side div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.075);
}

.article {
  padding: 34px;
  border-radius: 30px;
}

.article h2 {
  margin: 26px 0 12px;
  font-size: 28px;
}

.article p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.side a,
.side div {
  padding: 18px;
  border-radius: 20px;
  color: var(--muted);
}

.side strong {
  display: block;
  color: var(--text);
  margin-bottom: 8px;
}

footer {
  padding: 34px 0 44px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 860px) {
  .wrap {
    width: min(100% - 28px, 1160px);
  }

  .top {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-inner,
  .section,
  .article {
    padding: 26px;
    border-radius: 26px;
  }

  .cards,
  .page {
    grid-template-columns: 1fr;
  }
}