:root {
  --bg: #111527;
  --bg-accent: #1a2138;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text: #f6f1ee;
  --muted: rgba(246, 241, 238, 0.72);
  --soft: rgba(246, 241, 238, 0.52);
  --accent: #d7b98e;
  --accent-strong: #f0cf9d;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top, rgba(215, 185, 142, 0.14), transparent 26%),
    linear-gradient(180deg, #151a2f 0%, var(--bg) 50%, #0d1120 100%);
  color: var(--text);
}

a {
  color: inherit;
}

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

.hero {
  padding: 32px 0 18px;
}

.hero-card,
.panel,
.article {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: 32px;
  padding: 28px 24px;
}

.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.title {
  margin: 14px 0 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.lead {
  margin: 16px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.hero-grid {
  display: grid;
  gap: 18px;
}

.meta {
  margin-top: 22px;
  padding: 18px 18px 16px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.meta h2,
.article h2,
.article h3,
.panel h2 {
  margin: 0;
  font-weight: 600;
}

.meta p,
.panel p,
.article p {
  color: var(--muted);
  line-height: 1.85;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.nav a,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  transition: transform 120ms ease, border-color 120ms ease, color 120ms ease;
}

.nav a:hover,
.button-link:hover {
  transform: translateY(-1px);
  border-color: rgba(215, 185, 142, 0.55);
  color: var(--accent-strong);
}

.nav a.is-active {
  border-color: rgba(215, 185, 142, 0.66);
  color: var(--accent-strong);
}

.content {
  padding: 8px 0 48px;
}

.content-grid {
  display: grid;
  gap: 16px;
}

.panel,
.article {
  border-radius: 28px;
  padding: 22px 20px;
}

.cards {
  display: grid;
  gap: 16px;
}

.card-link {
  text-decoration: none;
}

.card-link h3 {
  margin: 0;
  font-size: 24px;
}

.card-link p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.card-foot {
  margin-top: 14px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.article + .article {
  margin-top: 16px;
}

.article h2 {
  font-size: 30px;
  letter-spacing: -0.04em;
}

.article h3 {
  margin-top: 18px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.article p {
  margin: 12px 0 0;
}

.article ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.article li {
  position: relative;
  margin-top: 10px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.article li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

.footnote {
  margin-top: 18px;
  color: var(--soft);
  font-size: 13px;
}

.simple-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.simple-list li + li {
  margin-top: 8px;
}

.footer {
  padding: 0 0 44px;
}

.footer p {
  margin: 0;
  color: var(--soft);
  font-size: 13px;
  line-height: 1.7;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
  }

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