:root {
  color-scheme: dark;
  --bg: #101314;
  --panel: #1a2022;
  --panel-strong: #242b2e;
  --text: #f4f0e8;
  --muted: #b7c0bd;
  --accent: #d7b56d;
  --accent-strong: #f0cf82;
  --line: #394346;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(120deg, rgba(215, 181, 109, 0.10), transparent 36%),
    linear-gradient(180deg, #161b1d 0%, var(--bg) 58%);
  color: var(--text);
  font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.6;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 48px;
  align-items: center;
  min-height: 66vh;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.5rem, 7vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.lead strong {
  color: var(--text);
  font-weight: 700;
}

.fork-note {
  max-width: 680px;
  margin-top: 16px;
  font-size: 0.98rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #16120a;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
}

.preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
}

.preview img {
  display: block;
  width: 100%;
  height: auto;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

article {
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(26, 32, 34, 0.88);
}

.details {
  margin-top: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 22, 23, 0.92);
}

h2 {
  margin: 0 0 14px;
  font-size: 1.2rem;
  letter-spacing: 0;
}

ul,
ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

li + li {
  margin-top: 8px;
}

a {
  color: var(--accent-strong);
}

p {
  margin: 0;
  color: var(--muted);
}

p + pre,
pre + p {
  margin-top: 12px;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--accent-strong);
  font-weight: 700;
}

.walkthrough {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 22px;
  margin-top: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 22, 23, 0.92);
}

.walkthrough ol {
  margin-top: 0;
}

.effect {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d1011;
}

.effect video {
  display: block;
  width: 100%;
  height: auto;
}

code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0d1011;
}

@media (max-width: 880px) {
  main {
    padding: 32px 0;
  }

  .hero,
  .walkthrough,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
    min-height: auto;
  }
}