/* Emergence article styles */
:root {
  --bg: #f6f4ef;
  --surface: #fffdf8;
  --text: #171717;
  --muted: #6b6b6b;
  --line: #e8e0d4;
  --accent: #2349c6;
  --accent-soft: rgba(35, 73, 198, 0.08);
  --quote: #7a3f14;
  --max: 760px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: linear-gradient(180deg, #faf8f3 0%, var(--bg) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.82;
}

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

a:hover { text-decoration: underline; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 248, 243, 0.9);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(232, 224, 212, 0.9);
}

nav {
  max-width: calc(var(--max) + 120px);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 15px;
}

main.article-page {
  max-width: calc(var(--max) + 120px);
  margin: 0 auto;
  padding: 40px 24px 88px;
}

.article-content {
  max-width: var(--max);
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid rgba(232, 224, 212, 0.9);
  border-radius: 22px;
  padding: 44px 44px 52px;
  box-shadow: var(--shadow);
}

.article-meta {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3 {
  color: #111;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 22px;
  font-size: clamp(32px, 4vw, 46px);
}

h2 {
  margin: 42px 0 16px;
  font-size: clamp(24px, 2.7vw, 30px);
}

h3 {
  margin: 30px 0 12px;
  font-size: 22px;
}

p, ul, ol, blockquote {
  margin: 16px 0;
  font-size: 19px;
}

ul, ol {
  padding-left: 1.5em;
}

li + li {
  margin-top: 10px;
}

strong {
  color: #111;
}

blockquote {
  margin: 28px 0;
  padding: 16px 18px;
  border-left: 4px solid #d6b38a;
  background: #fcf7ef;
  color: var(--quote);
  border-radius: 12px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 34px 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  padding: 0.14em 0.38em;
  border-radius: 6px;
}

pre {
  overflow-x: auto;
  padding: 16px 18px;
  border-radius: 14px;
  background: #14161a;
  color: #f5f7fa;
}

pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
}

@media (max-width: 768px) {
  nav {
    padding: 12px 16px;
    gap: 14px;
    font-size: 14px;
    overflow-x: auto;
    white-space: nowrap;
  }

  main.article-page {
    padding: 20px 14px 54px;
  }

  .article-content {
    padding: 28px 18px 34px;
    border-radius: 18px;
  }

  p, ul, ol, blockquote {
    font-size: 17px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }
}