:root {
  color-scheme: light;
  --bg: #f6f2ea;
  --paper: rgba(255, 252, 247, 0.88);
  --paper-strong: #fffaf2;
  --text: #221b14;
  --muted: #6d5b4a;
  --line: rgba(74, 53, 36, 0.14);
  --accent: #b45309;
  --accent-deep: #7c2d12;
  --shadow: 0 22px 55px rgba(65, 42, 21, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(180, 83, 9, 0.16), transparent 26%),
    radial-gradient(circle at right 10% top 20%, rgba(124, 45, 18, 0.12), transparent 20%),
    linear-gradient(180deg, #fbf8f1 0%, var(--bg) 100%);
}

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

code,
pre {
  font-family: "Cascadia Code", "Consolas", monospace;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero,
.card,
.content-section,
.quote-card,
.config-card {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  padding: 32px;
  border-radius: 28px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul,
figure {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 12ch;
  margin-bottom: 18px;
}

.hero-text,
.muted,
.card p,
.step p,
.feature-list,
.link-list a,
figcaption {
  color: var(--muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  color: #fffaf6;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.hero-art img {
  border-radius: 22px;
}

.card-grid,
.gallery,
.config-layout {
  display: grid;
  gap: 18px;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0;
}

.card,
.content-section,
.quote-card,
.config-card {
  border-radius: 24px;
}

.card {
  padding: 22px;
}

.content-section {
  padding: 28px;
  margin-top: 22px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.03em;
  margin-bottom: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step {
  padding: 20px;
  border-radius: 20px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
}

.step span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: rgba(180, 83, 9, 0.12);
  color: var(--accent-deep);
  font-weight: 800;
  margin-bottom: 18px;
}

.two-column {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
}

.feature-list {
  padding-left: 20px;
}

.quote-card {
  padding: 28px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(124, 45, 18, 0.88), rgba(180, 83, 9, 0.72)),
    var(--paper);
}

.quote-card p {
  color: #fff7f1;
  font-size: 1.2rem;
  line-height: 1.7;
}

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

.config-card {
  padding: 22px;
}

.config-card pre,
.code-block {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  overflow: auto;
  background: #1f1814;
  color: #f9f2ea;
}

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

.gallery figure {
  padding: 0;
}

.gallery img {
  border-radius: 18px;
  border: 1px solid var(--line);
}

figcaption {
  margin-top: 12px;
  font-size: 0.95rem;
}

.link-list {
  display: grid;
  gap: 12px;
}

.link-list a {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
  text-decoration: none;
}

@media (max-width: 960px) {
  .hero,
  .two-column,
  .card-grid,
  .steps,
  .config-layout,
  .gallery {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .hero,
  .content-section {
    padding: 22px;
  }
}