:root {
  --paper: #f7f4ed;
  --ink: #2b2927;
  --muted: #817a70;
  --accent: #a64f39;
  --purple: #5d456f;
  --rule: #e5d7bf;
  --highlight: #f2dda0;
}

* { box-sizing: border-box; }
html { background: #e8e4dc; }
body { margin: 0; background: #e8e4dc; }

.article-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 58px 48px 80px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: 18px;
  line-height: 1.88;
  letter-spacing: .018em;
  text-rendering: optimizeLegibility;
}

.site-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 244, 237, .94);
  border-bottom: 1px solid rgba(93, 69, 111, .16);
  backdrop-filter: blur(12px);
}

.site-bar__inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-bar a,
.site-bar span {
  color: #514b44;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
}

.site-bar .home-button {
  display: inline-block;
  padding: 9px 17px;
  border-radius: 8px;
  background: var(--purple);
  color: #fff;
}

h1 {
  margin: 0 0 12px;
  font-size: 42px;
  line-height: 1.28;
  letter-spacing: .02em;
  text-align: center;
}

h1 + blockquote {
  max-width: 620px;
  margin: 0 auto 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 17px;
  font-style: normal;
  text-align: center;
}

h1 + blockquote p { margin: 0; }

.article-dek {
  max-width: 620px;
  margin: 0 auto 44px;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  text-align: center;
}

h2 {
  margin: 58px 0 22px;
  padding: 0 0 11px;
  border-bottom: 2px solid var(--rule);
  font-size: 26px;
  line-height: 1.4;
  letter-spacing: .02em;
}

h3 {
  margin: 34px 0 14px;
  color: var(--purple);
  font-size: 19px;
  line-height: 1.5;
}

p { margin: 0 0 21px; }

strong {
  font-weight: 700;
  background: linear-gradient(transparent 66%, var(--highlight) 0);
}

blockquote {
  margin: 30px 20px;
  padding: 20px 12px 18px;
  border: 0;
  border-top: 1px solid #d9c9ae;
  border-bottom: 1px solid #d9c9ae;
  background: transparent;
  color: #514b44;
  font-size: 19px;
  text-align: center;
}

blockquote p:last-child { margin-bottom: 0; }

figure {
  margin: 30px 0 34px;
  text-align: center;
}

figure img,
.brand-cta img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  line-height: 1.55;
}

.brand-cta { margin: 44px 0 20px; text-align: center; }

.vignis-guide {
  margin: 46px 0 22px;
  padding: 28px 30px 26px;
  border: 1px solid #dccfb9;
  border-radius: 16px;
  background: linear-gradient(145deg, #fffdf8 0%, #f5eee3 100%);
}

.vignis-guide h2 {
  margin-top: 0;
  color: #3f3933;
  font-size: 24px;
}

.vignis-guide ul {
  margin: 10px 0 16px;
  padding-left: 22px;
}

.vignis-guide li { margin: 8px 0; }
.vignis-guide .brand-cta { margin: 28px 0 0; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

h2#references ~ p {
  color: #5f5951;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.68;
  word-break: break-word;
}

@media (max-width: 640px) {
  .site-bar__inner { padding: 11px 16px; }
  .site-bar span { display: none; }
  .vignis-guide { padding: 22px 20px 20px; }
  .article-shell { padding: 38px 21px 58px; font-size: 17px; }
  h1 { font-size: 33px; }
  .article-dek { margin-bottom: 34px; font-size: 16px; }
  h2 { margin-top: 48px; font-size: 23px; }
  h3 { font-size: 18px; }
}