@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root{
  --paper:#fafaf8;
  --gray:#4a4a4a;
  --ink:#1a1a1a;
  --line:#d8d5cc;
  --card:#fffdf9;
  --shadow:0 14px 28px -18px rgba(26,26,26,.6), 0 2px 0 rgba(26,26,26,.05);
  --noise:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='180' height='180' filter='url(%23g)' opacity='0.2'/></svg>");
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}

body{
  margin:0;
  padding-bottom:156px;
  background-color:var(--paper);
  background-image:var(--noise);
  color:var(--ink);
  font-family:'Archivo','Space Grotesk',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.68;
  letter-spacing:.012em;
  overflow-x:clip;
  width:100%;
  max-width:100%;
}

h1,h2,h3{
  font-family:'Space Grotesk','Archivo',system-ui,sans-serif;
  letter-spacing:-.035em;
  line-height:1.14;
  margin:0;
  overflow-wrap:anywhere;
}

p{margin:0 0 1em;overflow-wrap:break-word}
p:last-child{margin-bottom:0}
img{max-width:100%;height:auto}
a{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:3px dashed var(--gray);outline-offset:3px}
::selection{background:var(--ink);color:var(--paper)}

/* ---------- 底部胶囊导航 ---------- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  width:100%;max-width:100%;
  padding:8px 14px calc(10px + env(safe-area-inset-bottom));
  background:var(--paper);
  border-top:2px solid var(--ink);
  display:flex;flex-direction:column;gap:8px;
  overflow:hidden;
}
.dock::before{
  content:"";position:absolute;left:50%;top:-10px;width:96px;height:20px;margin-left:-48px;
  background:rgba(26,26,26,.09);transform:rotate(-1.4deg);
}
.brandline{margin:0;min-width:0}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:2px 4px;max-width:100%;
  font-weight:700;letter-spacing:-.03em;font-size:1.02rem;
  text-decoration:none;color:var(--ink);
}
.brand span{overflow-wrap:anywhere}
.brand .mark{
  flex:0 0 auto;
  width:30px;height:30px;object-fit:cover;
  border:2px solid var(--ink);border-radius:11px 14px 10px 13px;
  filter:grayscale(1) contrast(1.08);
}
.pills{
  display:flex;gap:8px;
  width:100%;max-width:100%;min-width:0;
  overflow-x:auto;overscroll-behavior-x:contain;
  padding-bottom:2px;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.pills::-webkit-scrollbar{display:none}
.pills a{
  flex:0 0 auto;display:inline-flex;align-items:center;
  min-height:44px;padding:0 15px;
  border:2px solid var(--ink);border-radius:999px;
  background:var(--card);
  font-size:1rem;font-weight:500;text-decoration:none;color:var(--ink);
  transform:rotate(-.4deg);
}
.pills a:nth-child(even){transform:rotate(.5deg)}
.pills a:hover,.pills a:focus-visible{background:var(--ink);color:var(--paper)}

/* ---------- 骨架 ---------- */
main{display:block;width:100%;max-width:100%}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 18px;min-width:0}
.board{
  display:grid;grid-template-columns:232px minmax(0,1fr);
  gap:30px;align-items:start;
  padding:26px 0 34px;
  min-width:0;
}
.board > *{min-width:0}
main section[id]{scroll-margin-top:22px}

/* ---------- 左侧便签 ---------- */
.side{
  position:sticky;top:18px;
  min-width:0;max-width:100%;
  padding:14px 15px 16px;
  background:var(--card);
  border:2px solid var(--ink);
  border-radius:16px 22px 14px 20px;
  box-shadow:var(--shadow);
  transform:rotate(-.9deg);
}
.side h2{font-size:1rem;letter-spacing:.06em}
.side ol{list-style:none;margin:0;padding:0;min-width:0;max-width:100%}
.side li + li{margin-top:2px}
.side ol a{
  display:flex;align-items:center;min-height:42px;padding:2px 4px;
  font-size:1rem;text-decoration:none;color:var(--gray);
  border-bottom:1px dashed var(--line);
}
.side li:last-child a{border-bottom:0}
.side ol a:hover{color:var(--ink);text-decoration:underline wavy var(--ink);text-underline-offset:4px}

hr{
  border:0;height:3px;margin:10px 0 14px;
  background:repeating-linear-gradient(90deg,var(--ink) 0 9px,transparent 9px 14px);
  opacity:.4;
}

/* ---------- 主区 ---------- */
.hero{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.82fr);
  gap:26px;align-items:center;
  min-height:45vh;margin-bottom:26px;
  min-width:0;
}
.ghost{
  position:absolute;left:-6px;top:-34px;z-index:0;
  font-family:'Space Grotesk',system-ui,sans-serif;
  font-size:clamp(84px,17vw,168px);font-weight:700;line-height:1;
  letter-spacing:-.07em;color:rgba(26,26,26,.075);
  pointer-events:none;user-select:none;
}
.hero-text{position:relative;z-index:1;min-width:0}
.hero h1{
  font-size:clamp(2.05rem,6.2vw,3.5rem);
  font-weight:700;letter-spacing:-.05em;line-height:1.04;
  margin:0 0 14px;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.lede{
  max-width:38ch;font-size:1.02rem;color:var(--gray);
  border-left:4px solid var(--ink);padding-left:12px;
  overflow-wrap:break-word;
}
.hero-shot{position:relative;min-width:0}
.hero-pic{
  display:block;width:100%;max-width:100%;
  border:2px solid var(--ink);border-radius:20px 26px 18px 22px;
  box-shadow:var(--shadow);
  filter:grayscale(1) contrast(1.07);
  transform:rotate(1.1deg);
}

/* ---------- 正文卡片 ---------- */
.post{
  min-width:0;max-width:100%;
  overflow-wrap:break-word;
}
.post > article{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 24px 26px;
  margin:0 0 22px;
  box-shadow:var(--shadow);
  min-width:0;
}
.post > article:nth-of-type(odd){--r:-.26deg}
.post > article:nth-of-type(even){--r:.22deg}
.post h2{font-size:clamp(1.4rem,3.6vw,1.92rem);margin:.1em 0 .05em}
.post h3{font-size:clamp(1.15rem,2.6vw,1.35rem);margin:1.4em 0 .4em}
.post p{max-width:64ch}
.post a{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;overflow-wrap:break-word}
.post p a:hover{background:rgba(26,26,26,.07)}
.post ul,.post ol{padding-left:1.25em;max-width:100%}
.post li{margin:.35em 0;overflow-wrap:break-word}
.post li::marker{color:var(--gray)}
.post img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:14px;margin:10px 0}
.post blockquote{
  margin:18px 0;padding:14px 16px;
  background:#f1efe9;border-left:5px solid var(--ink);
  border-radius:4px 16px 16px 4px;transform:rotate(-.3deg);
  max-width:100%;
}
.post blockquote p{max-width:none}
.post table{
  display:block;width:100%;max-width:100%;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-collapse:collapse;font-size:1rem;margin:14px 0;
}
.post th,.post td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top;overflow-wrap:break-word}
.post th{background:#f1efe9}
.post pre{
  max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:#f1efe9;border-radius:10px;padding:10px 12px;font-size:.95rem;
}
.post code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95em;background:#f1efe9;padding:1px 5px;border-radius:5px}
.post pre code{background:none;padding:0}
.post hr{margin:14px 0 18px}

/* ---------- 页脚 ---------- */
footer{
  width:100%;max-width:1080px;margin:38px auto 0;
  padding:16px 18px 34px;
  border-top:2px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:10px 28px;
  align-items:center;justify-content:space-between;
  font-size:1rem;
  min-width:0;
}
footer p{margin:0;color:var(--gray);overflow-wrap:break-word}
.foot-a{display:flex;align-items:center;gap:18px;min-width:0;max-width:100%}
.foot-b{min-width:0;max-width:100%}
.totop{
  display:inline-flex;align-items:center;min-height:40px;padding:0 6px;
  color:var(--ink);text-decoration:underline wavy var(--gray);text-underline-offset:4px;
}
footer nav{min-width:0;max-width:100%}
footer dl{display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;max-width:100%}
footer dt{margin:0}
footer dd{margin:0;display:none}
footer dt a{
  display:inline-flex;align-items:center;min-height:40px;
  color:var(--gray);text-decoration:none;
  border-bottom:2px solid transparent;
}
footer dt a:hover{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- 显现动效 ---------- */
@media (prefers-reduced-motion: no-preference){
  .js .side,.js .hero-text,.js .hero-shot,.js .hero-pic,
  .js div.post > article{
    opacity:0;transform:translateY(18px) rotate(var(--r,0deg));
  }
  .js .side.in,.js .hero-text.in,.js .hero-shot.in,.js .hero-pic.in,
  .js div.post > article.in{
    opacity:1;transform:rotate(var(--r,0deg));
    transition:opacity .3s steps(4),transform .3s steps(4);
    transition-delay:var(--d,0ms);
  }
  .js .hero-pic{transform:translateY(18px) rotate(1.1deg)}
  .js .hero-pic.in{transform:rotate(1.1deg)}
  .js .side{transform:translateY(18px) rotate(-.9deg)}
  .js .side.in{transform:rotate(-.9deg)}
}

/* ---------- 窄屏 ---------- */
@media (max-width:760px){
  body{padding-bottom:164px;font-size:17px;overflow-x:clip}
  .wrap{padding:0 14px;max-width:100%}
  .board{grid-template-columns:minmax(0,1fr);gap:16px;padding:14px 0 26px}
  .side{position:static;transform:none;padding:10px 12px 12px;border-radius:14px 18px 12px 16px;overflow:hidden}
  .side h2{font-size:1rem}
  .side hr{margin:6px 0 8px}
  .side ol{
    display:flex;gap:8px;width:100%;max-width:100%;min-width:0;
    overflow-x:auto;scrollbar-width:none;padding-bottom:2px;
    -webkit-overflow-scrolling:touch;
  }
  .side li + li{margin-top:0}
  .side li{flex:0 0 auto}
  .side ol a{
    white-space:nowrap;padding:0 12px;border:1px dashed var(--gray);
    border-radius:999px;font-size:1rem;color:var(--ink);
  }
  .side li:last-child a{border:1px dashed var(--gray)}
  .hero{grid-template-columns:minmax(0,1fr);min-height:0;gap:16px;margin-bottom:20px}
  .ghost{font-size:clamp(64px,24vw,110px);top:-18px;left:-4px}
  .hero h1{font-size:clamp(1.85rem,7.4vw,2.6rem)}
  .post > article{padding:18px 16px 22px;border-radius:16px}
  .post p{max-width:none}
  footer{padding:14px 14px 26px;gap:8px 18px}
  footer dl{gap:4px 14px}
}

button[aria-expanded]{min-width:44px;min-height:44px}