:root {
  --paper: #f4f0e8;
  --paper-deep: #eae4d9;
  --ink: #1f2826;
  --muted: #68716d;
  --line: rgba(31, 40, 38, .14);
  --accent: #e88657;
  --white: #fffdf8;
  --serif: 'Songti SC', 'Noto Serif SC', STSong, SimSun, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }

.page-shell { max-width: 1240px; margin: 0 auto; padding: 0 54px; }
.site-header { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.04em; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--paper); font-family: var(--serif); font-size: 17px; }
.site-nav { display: flex; gap: 34px; margin-left: 90px; font-size: 13px; color: var(--muted); }
.site-nav a { padding: 34px 0 30px; border-bottom: 2px solid transparent; }
.site-nav a.active, .site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.header-link, .text-link { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; }
.header-link { color: var(--muted); }
.header-link:hover, .text-link:hover { color: var(--accent); }

.hero { min-height: 590px; display: grid; grid-template-columns: 1.35fr .65fr; align-items: center; gap: 60px; padding: 80px 0 106px; }
.eyebrow { margin: 0 0 20px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; }
.eyebrow span { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 { max-width: 720px; margin: 0; font-family: var(--serif); font-size: clamp(45px, 6.1vw, 79px); font-weight: 600; letter-spacing: -.09em; line-height: 1.18; }
em { color: var(--accent); font-style: normal; }
.hero-intro { max-width: 420px; margin: 30px 0 34px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 26px; }
.button { display: inline-flex; align-items: center; gap: 30px; padding: 15px 18px 15px 22px; font-size: 12px; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: var(--accent); color: var(--ink); }
.hero-note { align-self: end; padding: 0 0 35px 28px; }
.note-line { width: 1px; height: 86px; margin-bottom: 21px; background: var(--accent); }
.note-label { margin: 0 0 13px; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--muted); }
.note-text { max-width: 230px; margin: 0; font-family: var(--serif); font-size: 18px; line-height: 1.75; }
.note-date { margin: 20px 0 0; color: var(--muted); font-family: var(--mono); font-size: 10px; }

.section-block { border-top: 1px solid var(--line); padding: 88px 0 110px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 47px; }
.section-heading h2, .about-copy h2 { margin: 0; font-family: var(--serif); font-size: 42px; font-weight: 600; letter-spacing: -.07em; }
.filter-row { display: flex; gap: 7px; }
.filter { border: 1px solid var(--line); background: transparent; border-radius: 99px; padding: 8px 15px; color: var(--muted); cursor: pointer; font-size: 11px; }
.filter:hover, .filter.active { border-color: var(--ink); color: var(--ink); background: var(--white); }
.featured-entry { position: relative; display: grid; grid-template-columns: 116px 1fr 100px; gap: 32px; min-height: 270px; padding: 42px 0 40px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.featured-date { display: flex; align-items: center; gap: 10px; color: var(--accent); }
.featured-date span { font-family: var(--serif); font-size: 64px; letter-spacing: -.1em; line-height: 1; }
.featured-date small { color: var(--muted); font-family: var(--mono); font-size: 9px; line-height: 1.35; }
.featured-body { max-width: 620px; }
.entry-meta { margin: 0 0 14px; color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }
.featured-body h3, .entry-card h3 { margin: 0 0 14px; font-family: var(--serif); font-weight: 600; letter-spacing: -.06em; }
.featured-body h3 { font-size: 29px; }
.featured-body p:not(.entry-meta), .entry-card p:not(.entry-meta) { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.read-button { display: inline-flex; gap: 15px; align-items: center; padding: 0; margin-top: 27px; border: 0; border-bottom: 1px solid var(--ink); background: transparent; cursor: pointer; font-family: var(--mono); font-size: 10px; }
.read-button:hover { color: var(--accent); border-color: var(--accent); }
.featured-index { align-self: end; color: var(--muted); font-family: var(--mono); font-size: 10px; text-align: right; }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 68px; }
.entry-card { padding: 37px 0 34px; border-bottom: 1px solid var(--line); }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 35px; }
.card-number { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.card-date { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.entry-card h3 { font-size: 24px; }
.empty-state { margin: 34px 0 0; color: var(--muted); font-size: 13px; }

.about-section { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; padding: 92px 0 125px; }
.about-label { display: flex; align-items: start; gap: 10px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
.about-dot { width: 8px; height: 8px; margin-top: 3px; border-radius: 50%; background: var(--accent); }
.about-copy { max-width: 660px; }
.about-copy h2 { font-size: 46px; line-height: 1.3; }
.about-copy > p:not(.signature) { max-width: 510px; margin: 28px 0 0; color: var(--muted); font-size: 14px; line-height: 2; }
.signature { margin: 27px 0 0; color: var(--ink); font-family: var(--serif); font-size: 15px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 23px 0 27px; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 10px; }
.site-footer a:hover { color: var(--accent); }
.icp-link { color: var(--muted); }

.entry-dialog { width: min(650px, calc(100% - 34px)); padding: 48px; border: 1px solid var(--line); background: var(--white); color: var(--ink); box-shadow: 0 24px 80px rgba(31,40,38,.18); }
.entry-dialog::backdrop { background: rgba(31, 40, 38, .45); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 18px; right: 22px; border: 0; background: transparent; cursor: pointer; font-size: 26px; font-weight: 300; }
.dialog-close:hover { color: var(--accent); }
.entry-dialog h2 { max-width: 520px; margin: 0 0 26px; font-family: var(--serif); font-size: 34px; letter-spacing: -.07em; }
.dialog-content { color: var(--muted); font-size: 14px; line-height: 2; }
.dialog-content p { margin: 0 0 16px; }

@media (max-width: 760px) {
  .page-shell { padding: 0 22px; }
  .site-header { height: 72px; }
  .site-nav { gap: 20px; margin-left: 0; }
  .site-nav a { padding: 26px 0 23px; }
  .header-link { display: none; }
  .hero { display: block; min-height: auto; padding: 73px 0 85px; }
  .hero h1 { font-size: 47px; }
  .hero-note { margin-top: 75px; padding-left: 14px; }
  .section-block { padding: 64px 0 80px; }
  .section-heading { display: block; }
  .section-heading h2 { font-size: 36px; }
  .filter-row { margin-top: 28px; overflow-x: auto; padding-bottom: 3px; }
  .featured-entry { grid-template-columns: 1fr; gap: 23px; padding: 30px 0 35px; }
  .featured-date { order: 0; }
  .featured-date span { font-size: 52px; }
  .featured-index { position: absolute; right: 0; top: 38px; }
  .entry-grid, .about-section { grid-template-columns: 1fr; gap: 0; }
  .about-section { padding: 70px 0 85px; }
  .about-label { margin-bottom: 39px; }
  .about-copy h2 { font-size: 37px; }
  .site-footer { gap: 14px; flex-wrap: wrap; }
  .site-footer span:nth-child(2) { order: 3; width: 100%; }
  .entry-dialog { padding: 42px 25px 29px; }
}