:root {
  --ink: #182126;
  --ink-soft: #445158;
  --muted: #748087;
  --paper: #f5f3ee;
  --paper-deep: #e9e6dd;
  --line: #d7d5ce;
  --accent: #c45b3d;
  --accent-dark: #99422d;
  --sage: #dce8df;
  --white: #fffefa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.shell { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { color: var(--ink); font-family: Georgia, "Noto Serif SC", serif; font-size: 22px; text-decoration: none; }
.site-nav { display: flex; align-items: center; gap: 24px; color: var(--ink-soft); font-size: 14px; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: var(--accent-dark); }
.hero { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr); align-items: center; gap: 72px; padding-top: 76px; padding-bottom: 84px; }
.hero-copy { max-width: 520px; }
.eyebrow { margin: 0 0 18px; color: var(--accent-dark); font-size: 12px; font-weight: 700; letter-spacing: 0.14em; line-height: 1.4; }
h1, h2, h3 { margin-top: 0; font-family: Georgia, "Noto Serif SC", serif; font-weight: 400; line-height: 1.2; }
.hero h1 { margin-bottom: 24px; font-size: 68px; letter-spacing: 0; }
.hero-lead { max-width: 470px; margin: 0 0 30px; color: var(--ink-soft); font-size: 17px; line-height: 1.95; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--accent-dark); font-size: 15px; font-weight: 700; text-decoration: none; }
.text-link span { font-size: 20px; line-height: 1; transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }
.hero-visual { margin: 0; }
.hero-visual img { display: block; width: 100%; aspect-ratio: 7 / 5; object-fit: cover; border: 1px solid #c7c6bf; border-radius: 4px; background: var(--paper-deep); }
.hero-visual figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; }
.articles { padding-top: 38px; padding-bottom: 92px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.section-heading .eyebrow { margin: 0; }
.section-heading h2 { margin: 0; font-size: 34px; }
.post-list { border-top: 1px solid var(--line); }
.post-row { display: grid; grid-template-columns: 170px minmax(0, 1fr) 32px; gap: 28px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.post-row h3 { margin: 0 0 8px; font-size: 25px; }
.post-row h3 a { text-decoration: none; }
.post-row h3 a:hover { color: var(--accent-dark); }
.post-row p { max-width: 660px; margin: 0; color: var(--ink-soft); font-size: 15px; }
.row-arrow { display: grid; place-items: center; width: 32px; height: 32px; color: var(--accent-dark); text-decoration: none; }
.row-arrow span { font-size: 22px; transition: transform 160ms ease; }
.row-arrow:hover span { transform: translate(3px, -3px); }
.empty-state { margin: 0; padding: 28px 0; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); background: var(--sage); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 22px; padding-bottom: 24px; color: var(--ink-soft); font-size: 13px; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--ink-soft); text-decoration: none; }
.footer-inner a:hover { color: var(--accent-dark); text-decoration: underline; }
.article-page { padding-top: 56px; padding-bottom: 96px; }
.article { max-width: 780px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 48px; color: var(--accent-dark); font-size: 14px; font-weight: 700; text-decoration: none; }
.article-header { padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.article-header h1 { margin-bottom: 22px; font-size: 54px; overflow-wrap: anywhere; }
.article-body { padding-top: 36px; color: var(--ink-soft); font-size: 17px; line-height: 2; }
.article-body h2 { margin: 46px 0 16px; color: var(--ink); font-size: 31px; }
.article-body p { margin: 0 0 22px; }
.article-body ul { margin: 0 0 24px; padding-left: 1.5em; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--accent-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.not-found { min-height: 62vh; padding-top: 110px; padding-bottom: 100px; }
.not-found h1 { margin-bottom: 16px; font-size: 52px; }
.not-found p:not(.eyebrow) { margin: 0 0 28px; color: var(--ink-soft); }
@media (max-width: 800px) {
  .shell { width: min(100% - 36px, 620px); }
  .hero { grid-template-columns: 1fr; gap: 42px; padding-top: 54px; padding-bottom: 64px; }
  .hero h1 { font-size: 52px; }
  .hero-visual { max-width: 620px; }
  .section-heading { display: block; }
  .section-heading h2 { margin-top: 10px; }
  .post-row { grid-template-columns: 1fr 32px; gap: 10px 16px; }
  .post-row .post-meta { grid-column: 1 / -1; }
  .post-row p { font-size: 14px; }
  .article-header h1 { font-size: 42px; }
  .article-body { font-size: 16px; }
}
@media (max-width: 480px) {
  .shell { width: calc(100% - 32px); }
  .header-inner { min-height: 64px; }
  .wordmark { font-size: 20px; }
  .site-nav { gap: 14px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 16px; }
  .post-row h3 { font-size: 22px; }
  .footer-inner { display: block; }
  .footer-inner a { display: inline-block; margin-top: 8px; }
  .article-page { padding-top: 36px; }
  .back-link { margin-bottom: 34px; }
  .article-header h1 { font-size: 36px; }
  .not-found h1 { font-size: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}