:root {
  --bg: #efe7db;
  --bg-soft: rgba(255, 255, 255, 0.56);
  --panel: rgba(255, 255, 255, 0.7);
  --text: #182126;
  --muted: #5b666d;
  --line: rgba(24, 33, 38, 0.12);
  --accent: #1d4d4f;
  --accent-soft: #d7e3de;
  --shadow: 0 24px 60px rgba(46, 55, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 38%),
    radial-gradient(circle at right 20%, rgba(181, 208, 196, 0.65), transparent 24%),
    linear-gradient(135deg, #f2eadf 0%, #e8dfd1 48%, #ddd7ca 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
}

.page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero,
.section {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 72px 56px;
  margin-bottom: 22px;
}

.hero::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  right: -60px;
  top: -80px;
  background: radial-gradient(circle, rgba(29, 77, 79, 0.18), transparent 68%);
}

.eyebrow,
.section-kicker,
.card-index {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-weight: 600;
}

h1 {
  max-width: 760px;
  margin-top: 18px;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: 1.06;
}

.hero-copy {
  max-width: 640px;
  margin: 28px 0 0;
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 136px;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #f7f5f1;
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.42);
}

main {
  display: grid;
  gap: 22px;
}

.section {
  padding: 40px 34px;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.2;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.intro-grid p,
.card p,
.quote-panel p,
.contact-panel p,
.contact-links {
  margin: 0;
  line-height: 1.9;
  color: var(--muted);
  font-size: 1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.92rem;
}

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

.card,
.quote-panel,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--bg-soft);
}

.card {
  padding: 24px 22px;
  display: grid;
  gap: 14px;
}

.card-link {
  align-content: start;
}

.card h3 {
  font-size: 1.35rem;
  line-height: 1.4;
}

.quote-panel,
.contact-panel {
  padding: 28px;
}

.contact-links {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}

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

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.text-link:hover {
  text-decoration: underline;
}

.contact-links a:hover {
  text-decoration: underline;
}

.page-shell-article {
  max-width: 960px;
}

.hero-compact {
  padding: 56px 48px;
}

.article-shell {
  padding-top: 28px;
}

.article-meta {
  margin-bottom: 20px;
  font-size: 0.92rem;
  color: var(--muted);
}

.markdown-body {
  color: var(--text);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin-top: 1.8em;
  margin-bottom: 0.7em;
}

.markdown-body h1:first-child {
  margin-top: 0;
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote {
  line-height: 1.95;
  color: var(--muted);
}

.markdown-body ul {
  padding-left: 1.3rem;
}

.markdown-body a {
  color: var(--accent);
}

.markdown-body code {
  padding: 0.14rem 0.4rem;
  border-radius: 8px;
  background: rgba(29, 77, 79, 0.08);
  color: var(--accent);
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 0.92em;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(18, 26, 30, 0.96);
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  color: #f6efe4;
}

.markdown-body blockquote {
  margin: 18px 0;
  padding: 12px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.42);
}

.markdown-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 28px 0;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 24px, 1120px);
    padding: 16px 0 44px;
  }

  .hero,
  .section {
    border-radius: 22px;
  }

  .hero {
    padding: 44px 24px;
  }

  .hero-compact {
    padding: 38px 22px;
  }

  .section {
    padding: 28px 20px;
  }

  .intro-grid,
  .cards {
    grid-template-columns: 1fr;
  }
}