:root {
  --bg: #12100e;
  --bg-soft: #1a1714;
  --panel: #211d18;
  --line: #3a3228;
  --text: #e8dfd0;
  --muted: #a89880;
  --accent: #c4a574;
  --accent-bright: #e2c48a;
  --link: #d4b888;
  --max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(ellipse at 20% 0%, #2a2218 0%, transparent 45%),
    radial-gradient(ellipse at 90% 10%, #1c2420 0%, transparent 40%),
    var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--accent-bright);
  text-decoration: underline;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 16, 14, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  padding: 0.95rem 0;
}

.brand {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
  margin-right: auto;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--accent-bright);
}

.hero {
  padding: 3.2rem 0 2.2rem;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent-bright);
}

.hero p {
  margin: 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.lead {
  margin: 0 0 0.5rem;
  max-width: 42rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.prose code {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.88em;
  color: var(--accent-bright);
  background: rgba(196, 165, 116, 0.12);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.section {
  padding: 2.4rem 0;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.card-list {
  display: grid;
  gap: 1rem;
}

.card {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 0.95rem;
  align-items: center;
  padding: 0.85rem 1.05rem 0.85rem 0.85rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  background: #29231c;
  text-decoration: none;
  color: inherit;
}

.card-thumb {
  width: 112px;
  height: 84px;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: #161310;
  display: block;
}

.card-body {
  min-width: 0;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.08rem;
  color: var(--accent-bright);
}

.card p,
.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta {
  margin-bottom: 0.55rem;
}

@media (max-width: 560px) {
  .card {
    grid-template-columns: 1fr;
    padding: 0.85rem;
  }

  .card-thumb {
    width: 100%;
    height: 140px;
  }
}

.prose {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.5rem 1.4rem 1.8rem;
}

.prose h1 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
  color: var(--accent-bright);
}

.prose .meta {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.prose h2 {
  margin: 1.6rem 0 0.6rem;
  font-size: 1.15rem;
  color: var(--accent);
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--text);
}

.prose li {
  margin-bottom: 0.35rem;
}

.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: #161310;
}

.prose figure {
  margin: 0 0 1.25rem;
}

.prose figcaption {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.img-row {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}

@media (min-width: 640px) {
  .img-row {
    grid-template-columns: 1fr 1fr;
  }
}

.img-row figure {
  margin: 0;
}

.hero-figure {
  margin: 1.4rem 0 0;
  max-width: 22rem;
}

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--line);
  display: block;
}

.hero-figure figcaption {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.about-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.info-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.2rem 1.25rem;
}

.info-block h3 {
  margin: 0 0 0.55rem;
  color: var(--accent-bright);
  font-size: 1rem;
}

.info-block p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.site-footer p {
  margin: 0.35rem 0;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--accent-bright);
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}