:root {
  --paper: #f7f7f3;
  --paper-deep: #eeeee8;
  --ink: #202622;
  --muted: #6d756f;
  --line: #dfe3dc;
  --moss: #527064;
  --coral: #d6765f;
  --shadow: rgba(32, 38, 34, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.site-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.topbar { height: 88px; display: flex; align-items: center; border-bottom: 1px solid var(--line); gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: Georgia, serif; font-size: 18px; letter-spacing: .01em; }
.brand-mark { display: grid; place-items: center; width: 29px; height: 29px; border: 1px solid var(--moss); border-radius: 50%; color: var(--moss); font-style: italic; font-size: 20px; }
.topnav { display: flex; gap: 28px; margin-left: auto; color: var(--muted); font-size: 14px; }
.topnav a { padding: 6px 0; border-bottom: 1px solid transparent; }
.topnav a:hover, .topnav a.active { color: var(--ink); border-color: var(--coral); }
.icon-button { width: 34px; height: 34px; border: 1px solid var(--line); color: var(--moss); background: transparent; border-radius: 50%; cursor: pointer; transition: .2s ease; }
.icon-button:hover { border-color: var(--moss); transform: rotate(20deg); }

.main-content { padding: 72px 0 90px; }
.intro-band { display: grid; grid-template-columns: 1fr 300px; gap: 80px; align-items: end; padding-bottom: 70px; }
.eyebrow { margin: 0 0 24px; color: var(--moss); font: 13px/1.4 "SFMono-Regular", Consolas, monospace; letter-spacing: .04em; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px rgba(214, 118, 95, .14); }
h1 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(44px, 7vw, 82px); line-height: 1.12; font-weight: 400; letter-spacing: .01em; }
h1 em { color: var(--moss); font-style: normal; }
.intro-text { max-width: 520px; margin: 28px 0 0; color: var(--muted); font-size: 16px; }
.intro-aside { border-left: 1px solid var(--line); padding-left: 27px; color: var(--muted); font-size: 13px; }
.code-note { color: var(--muted); font: 12px/1.8 "SFMono-Regular", Consolas, monospace; }
.code-note span { color: var(--coral); }.code-note b { color: var(--moss); font-weight: 500; }
.line-art { position: relative; height: 112px; margin: 16px 0 18px; overflow: hidden; }
.line-art::before { content: ""; position: absolute; left: 30px; top: 12px; width: 180px; height: 180px; border: 1px solid var(--moss); border-radius: 50%; opacity: .7; }
.line-art::after { content: ""; position: absolute; left: 8px; top: 65px; width: 225px; border-top: 1px solid var(--coral); transform: rotate(-19deg); }
.line-art span { position: absolute; z-index: 1; width: 5px; height: 5px; border-radius: 50%; background: var(--moss); }.line-art span:nth-child(1){left:55px;top:35px}.line-art span:nth-child(2){left:134px;top:75px;background:var(--coral)}.line-art span:nth-child(3){left:185px;top:28px}.line-art span:nth-child(4){left:93px;top:96px;background:var(--coral)}
.intro-aside p { margin: 0; }.intro-aside strong { color: var(--ink); font: 12px "SFMono-Regular", Consolas, monospace; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-label { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; letter-spacing: .08em; }.rule { width: 24px; height: 1px; background: var(--coral); }
.search-box { display: flex; align-items: center; width: min(340px, 100%); gap: 10px; color: var(--muted); border-bottom: 1px solid var(--line); padding: 7px 0; }.search-box:focus-within { border-color: var(--moss); }.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 13px; }.search-box input::placeholder { color: #a3aaa4; }.search-box kbd { border: 1px solid var(--line); color: #9ca49e; padding: 0 5px; font: 11px/19px "SFMono-Regular", Consolas, monospace; }
.post-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 80px; }
.post { position: relative; padding: 30px 0 32px; border-bottom: 1px solid var(--line); }.post:nth-child(-n+2) { padding-top: 44px; }.post:hover .post-title { color: var(--moss); }.post-date { color: var(--coral); font: 11px "SFMono-Regular", Consolas, monospace; letter-spacing: .06em; }.post-title { margin: 9px 0 8px; font-family: Georgia, "Songti SC", serif; font-size: 25px; line-height: 1.35; font-weight: 400; transition: color .2s ease; }.post-excerpt { margin: 0 0 15px; color: var(--muted); font-size: 14px; }.post-tags { display: flex; flex-wrap: wrap; gap: 7px; }.tag { color: var(--moss); font: 11px "SFMono-Regular", Consolas, monospace; }.tag::before { content: "#"; color: var(--coral); }.empty-state { padding: 50px 0; color: var(--muted); text-align: center; font-size: 14px; }
.archive-section, .about-section { padding-top: 78px; }.archive-row { display: flex; align-items: center; gap: 16px; max-width: 650px; padding: 18px 0; font: 13px "SFMono-Regular", Consolas, monospace; }.archive-row.muted { color: #a1a9a2; }.archive-line { flex: 1; height: 1px; background: var(--line); }.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; max-width: 800px; color: var(--muted); font-size: 15px; }.about-grid p { margin: 24px 0 0; }.about-meta { font: 12px/2 "SFMono-Regular", Consolas, monospace; }
.footer { display: flex; justify-content: space-between; padding: 22px 0 30px; border-top: 1px solid var(--line); color: #969e98; font: 11px "SFMono-Regular", Consolas, monospace; }

body.dark { --paper: #1c2421; --paper-deep: #24302b; --ink: #edf0e9; --muted: #a6b0a8; --line: #34413a; --moss: #a2c3aa; --coral: #ee987f; --shadow: rgba(0,0,0,.2); }
body.dark .search-box input { color: var(--ink); }

@media (max-width: 720px) {
  .site-shell { width: min(100% - 32px, 560px); }.topbar { height: 70px; gap: 18px; }.topnav { gap: 15px; font-size: 13px; }.icon-button { margin-left: 0; }.main-content { padding-top: 48px; }.intro-band { display: block; padding-bottom: 48px; }.intro-aside { display: none; } h1 { font-size: clamp(42px, 14vw, 66px); }.intro-text { font-size: 15px; }.toolbar { display: block; }.search-box { margin-top: 20px; width: 100%; }.post-list { display: block; }.post:nth-child(-n+2), .post { padding: 28px 0; }.post-title { font-size: 23px; }.about-grid { display: block; }.footer { display: block; }.footer span { display: block; margin-top: 8px; }
}