*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #080808;
  --off-black: #111010;
  --near-black: #1a1918;
  --white: #f8f5f0;
  --gold: #c9a55a;
  --smoke: rgba(248, 245, 240, 0.62);
  --muted: rgba(248, 245, 240, 0.42);
  --divider: rgba(248, 245, 240, 0.12);
  --page-max: 1080px;
  --page-gutter: clamp(1.25rem, 6vw, 6rem);
  --display-sans:
    "站酷高端黑", "Noto Sans SC", "Microsoft YaHei", "PingFang SC",
    "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --sans:
    "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
    "Helvetica Neue", Arial, sans-serif;
  --serif:
    "思源宋体 SC", "Source Han Serif SC", "Noto Serif SC", "Songti SC",
    "STSong", "SimSun", Georgia, serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

#nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 8, 8, 0.92);
  border-bottom: 1px solid var(--divider);
  backdrop-filter: blur(12px);
}

.nav-inner,
.page-shell {
  width: min(calc(100% - 2 * var(--page-gutter)), var(--page-max));
  margin: 0 auto;
}

.nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--display-sans);
  font-size: 1.36rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.nav-logo span {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--sans);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a,
.back-link,
.article-kicker,
.article-meta,
.side-label {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.nav-links a {
  color: rgba(248, 245, 240, 0.62);
}

.nav-links a:hover,
.back-link:hover,
.article-cta:hover,
.pager-link:hover {
  color: var(--gold);
}

main {
  border-left: 1px solid var(--divider);
  border-right: 1px solid var(--divider);
}

.article-hero {
  padding: 4.25rem var(--page-gutter) 2.75rem;
  border-bottom: 1px solid var(--divider);
  background:
    linear-gradient(135deg, rgba(201, 165, 90, 0.12), transparent 38%),
    var(--black);
}

.back-link {
  display: inline-flex;
  margin-bottom: 2rem;
  color: var(--muted);
}

.article-kicker {
  color: var(--gold);
}

.article-title {
  margin-top: 1rem;
  max-width: 46rem;
  font-family: var(--serif);
  font-size: clamp(1.95rem, 4.2vw, 3.45rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0.01em;
}

.article-meta {
  margin-top: 1.4rem;
  color: var(--muted);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16rem;
  gap: 3.5rem;
  padding: 3rem var(--page-gutter) 4rem;
}

.article-cover {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.82) saturate(0.9);
  border: 1px solid var(--divider);
}

.article-body {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.article-body h2 {
  margin-top: 1.2rem;
  font-family: var(--serif);
  font-size: clamp(1.38rem, 2.2vw, 1.92rem);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.article-body p,
.article-body li {
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.02em;
  color: var(--smoke);
}

.article-body ul {
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.article-body li {
  padding-left: 1.2rem;
  border-left: 1px solid rgba(201, 165, 90, 0.45);
}

.side-panel {
  position: sticky;
  top: 92px;
  align-self: start;
  border-top: 1px solid var(--divider);
}

.side-row {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--divider);
}

.side-label {
  color: var(--gold);
}

.side-value {
  margin-top: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--smoke);
}

.article-cta {
  margin-top: 1.8rem;
  display: inline-flex;
  text-decoration: none;
  color: var(--gold);
  border-bottom: 1px solid rgba(201, 165, 90, 0.45);
  padding-bottom: 0.25rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.article-pager {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pager-link {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--muted);
}

footer {
  width: min(calc(100% - 2 * var(--page-gutter)), var(--page-max));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--divider);
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 800px) {
  .nav-links {
    display: none;
  }

  main,
  footer {
    width: 100%;
    border-left: none;
    border-right: none;
  }

  .article-hero {
    padding: 3.25rem 1.5rem 2.25rem;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding: 2.5rem 1.5rem 3.25rem;
  }

  .side-panel {
    position: static;
  }

  footer {
    padding: 1.8rem 1.5rem 2.2rem;
  }
}