:root {
  color-scheme: dark;
  --paper: #090f19; --surface: #0e1825; --ink: #dce7ef; --muted: #9cabbc;
  --accent: #6bd8cb; --line: #253548; --soft: #142335;
  --feature: #101d2b; --feature-ink: #e2ecf4; --feature-muted: #a4b7c7; --feature-accent: #75d9cd;
  --serif: "Segoe UI", "Microsoft YaHei", sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
:root[data-theme="light"] {
  color-scheme: light;
  --paper: #f7f5ee; --surface: #fffef9; --ink: #243d32; --muted: #616e65;
  --accent: #2b604a; --line: #dcded2; --soft: #eeeee4;
  --feature: #204535; --feature-ink: #f9f8ec; --feature-muted: #d0dccd; --feature-accent: #c5d6bc;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 var(--sans); }
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button { font: inherit; cursor: pointer; }
.container { width: calc(100% - 96px); max-width: 1120px; margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 8px 14px; background: var(--surface); z-index: 10; }
.skip-link:focus { top: 10px; }
.site-header { display: flex; align-items: center; gap: 28px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font: 600 1.12rem var(--serif); }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; color: var(--accent); font-size: 1.5rem; }
.brand small { display: block; margin-top: 7px; color: var(--muted); font: .57rem/1.4 var(--sans); letter-spacing: .16em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 26px; margin-left: auto; font-size: .83rem; color: var(--muted); }
.site-nav a, .site-footer a { text-decoration: none; }
.site-nav a:hover, .quiet-link:hover, .site-footer a:hover { color: var(--accent); }
.theme-toggle { border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px; color: var(--muted); background: transparent; font-size: .73rem; }
main { padding-block: 68px 74px; }
.intro { display: grid; grid-template-columns: 1.18fr .82fr; align-items: center; gap: 88px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 20px; color: var(--accent); font-size: .64rem; letter-spacing: .1em; }
.eyebrow > span { width: 25px; height: 1px; background: currentColor; }
.intro h1 { margin: 0 0 15px; font: 550 clamp(2.8rem, 5.6vw, 4.8rem)/1.35 var(--serif); letter-spacing: -.035em; }
.intro h1 em { color: var(--accent); font-style: normal; }
.intro-name { margin: 0 0 25px; color: var(--muted); font-size: .85rem; letter-spacing: .045em; }
.intro-description { max-width: 450px; margin: 0 0 24px; color: var(--muted); font-size: .96rem; line-height: 1.95; }
.quiet-link { display: inline-flex; align-items: center; gap: 13px; font-size: .78rem; text-decoration: none; }
.writing-entry { display: flex; flex-direction: column; gap: 27px; min-height: 375px; padding: 32px; border: 1px solid var(--line); border-radius: 12px; color: var(--feature-ink); background: var(--feature); }
.entry-top { display: flex; align-items: center; justify-content: space-between; }
.entry-top .eyebrow { margin: 0; color: var(--feature-muted); }
.entry-top > span { font-size: 1.5rem; }
.writing-entry h2 { margin: 0 0 14px; font: 500 1.95rem/1.55 var(--serif); }
.writing-entry p:not(.eyebrow):not(.writing-count) { margin: 0; color: var(--feature-muted); font-size: .81rem; }
.writing-count { display: flex; align-items: center; gap: 20px; margin: 0; }
.writing-count strong { color: var(--feature-accent); font: 2.9rem/1 ui-monospace, Consolas, monospace; }
.writing-count > span { color: var(--feature-muted); font-size: .74rem; line-height: 1.8; }
.writing-count small { font-size: .68rem; }
.primary-link { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: auto; padding-top: 19px; border-top: 1px solid #ffffff38; color: var(--feature-ink); text-decoration: none; font-size: .87rem; }
.primary-link:hover { text-decoration: underline; }
.recent { margin-top: 70px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 25px; }
.section-heading .eyebrow { margin-bottom: 8px; }
.section-heading h2 { margin: 0; font: 550 1.8rem/1.5 var(--serif); }
.recent-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.recent-list li { padding-block: 24px; border-bottom: 1px solid var(--line); }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 10px; color: var(--muted); font-size: .68rem; }
.article-meta > span { color: var(--accent); }
.recent-list h3 { margin: 0; font: 550 1.24rem/1.7 var(--serif); overflow-wrap: anywhere; }
.recent-list h3 a { display: flex; justify-content: space-between; align-items: center; gap: 24px; text-decoration: none; }
.recent-list h3 a:hover { color: var(--accent); }
.recent-list h3 span { flex: 0 0 auto; color: var(--accent); font: 1.15rem var(--sans); }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding-block: 28px 35px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.site-footer p { margin: 0; font-family: var(--serif); }
.site-footer > div { display: flex; flex-wrap: wrap; gap: 23px; }
@media (max-width: 850px) {
  .container { width: calc(100% - 56px); }
  .intro { gap: 40px; }
  .writing-entry { padding: 26px; }
}
@media (max-width: 650px) {
  .container { width: calc(100% - 40px); }
  .site-header { flex-wrap: wrap; gap: 19px; padding-block: 22px; }
  .brand { flex: 1; }
  .site-nav { order: 3; width: 100%; margin-left: 0; gap: 24px; }
  .theme-toggle { margin-left: auto; }
  main { padding-block: 42px 50px; }
  .intro { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .intro h1 { font-size: clamp(2.7rem, 10vw, 3.8rem); }
  .intro-description { font-size: .91rem; }
  .writing-entry { min-height: 0; padding: 27px; gap: 24px; }
  .writing-entry h2 { font-size: 1.8rem; }
  .recent { margin-top: 43px; }
  .section-heading h2 { font-size: 1.6rem; }
  .recent-list h3 { font-size: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }