@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Merriweather:wght@300;400;700&display=swap');

:root{
  --paper:#fafaf8;
  --gray:#4a4a4a;
  --ink:#1a1a1a;
  --line:#b9b6ae;
  --soft:#f2f1ec;
  --serif:Merriweather,"Songti SC","Noto Serif SC",Georgia,serif;
  --display:"Abril Fatface","Songti SC","Noto Serif SC",Georgia,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  overflow-x:hidden;
  background-color:var(--paper);
  background-image:radial-gradient(#e7e5df 1px,transparent 1px);
  background-size:20px 20px;
  color:var(--ink);
  font-family:var(--serif);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:5;
  pointer-events:none;
  opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.26'/%3E%3C/svg%3E");
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink)}
p{margin:0 0 18px}

/* 顶部细条 + 角落图标 */
.ticker{
  display:flex;
  align-items:center;
  gap:12px;
  padding:4px 12px;
  background:var(--paper);
  border-bottom:1px dashed var(--line);
}
.brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 42px;
  width:42px;
  height:42px;
  color:var(--ink);
  background:var(--paper);
  border:2px solid var(--ink);
  border-radius:50% 46% 52% 44%;
  transform:rotate(-4deg);
  text-decoration:none;
}
.brand svg,.brand img{width:100%;height:100%;border-radius:inherit;object-fit:cover}
.brand:hover{background:var(--ink);color:var(--paper)}
.ticker-txt{
  display:flex;
  flex-wrap:wrap;
  gap:6px 16px;
  margin:0;
  font-size:13px;
  letter-spacing:.22em;
  color:var(--gray);
}

/* 导航：nav > ol > li > a */
.top{position:relative}
.nav{
  position:sticky;
  top:0;
  z-index:20;
  padding:6px 8px;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.nav ol{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav li{animation:drop .3s steps(3,end) backwards}
.nav a{
  display:block;
  min-height:44px;
  padding:11px 9px;
  font-size:16px;
  line-height:1.25;
  color:var(--ink);
  text-decoration:none;
  border:1px solid transparent;
  border-radius:22px 14px 20px 16px;
}
.nav a:hover,.nav a:focus-visible{
  background:var(--ink);
  color:var(--paper);
  transform:rotate(-1deg);
}
.nav li:nth-child(1){animation-delay:.02s}
.nav li:nth-child(2){animation-delay:.05s}
.nav li:nth-child(3){animation-delay:.08s}
.nav li:nth-child(4){animation-delay:.11s}
.nav li:nth-child(5){animation-delay:.14s}
.nav li:nth-child(6){animation-delay:.17s}
.nav li:nth-child(7){animation-delay:.2s}

/* 首屏拼贴 */
.hero{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:20px;
  align-items:center;
  max-width:1100px;
  min-height:45vh;
  margin:0 auto;
  padding:16px 16px 24px;
  border-bottom:2px solid var(--ink);
}
.hero-copy{text-align:right}
.scrawl{display:block;margin:0 0 6px;color:var(--ink)}
.scrawl svg{display:inline-block;vertical-align:top}
h1{
  margin:0;
  font-family:var(--display);
  font-size:clamp(30px,5vw,58px);
  line-height:1.1;
  letter-spacing:.01em;
  text-wrap:balance;
}
h1::after{
  content:"";
  display:block;
  width:min(210px,72%);
  height:9px;
  margin:14px 0 0 auto;
  background-image:
    radial-gradient(circle at 4px 4px,var(--ink) 2px,transparent 2px),
    linear-gradient(var(--ink),var(--ink));
  background-size:14px 9px,100% 2px;
  background-position:0 0,0 6px;
  background-repeat:repeat-x,no-repeat;
  transform:rotate(-.6deg);
}
.hero-art{
  position:relative;
  min-height:250px;
  padding:10px;
  border:2px dashed var(--line);
  border-radius:26px 30px 24px 32px;
  background-image:radial-gradient(#d8d5cc 2px,transparent 2px);
  background-size:16px 16px;
}
.shot{
  position:absolute;
  display:block;
  padding:6px 6px 18px;
  background:#fff;
  border-radius:4px;
  box-shadow:0 8px 18px rgba(26,26,26,.16);
}
.shot::after{
  content:"";
  position:absolute;
  left:50%;
  top:-11px;
  width:62px;
  height:20px;
  margin-left:-31px;
  background:rgba(216,213,204,.72);
  border-left:1px solid rgba(26,26,26,.1);
  border-right:1px solid rgba(26,26,26,.1);
  transform:rotate(-3deg);
}
.shot img{width:100%;filter:grayscale(.25) contrast(1.06)}
.shot-1{left:2%;top:2%;z-index:1;width:58%;transform:rotate(-3.4deg)}
.shot-2{right:0;bottom:-6px;width:52%;transform:rotate(2.8deg)}

/* 正文：main > div.wrap > section > article */
.wrap{max-width:1100px;margin:0 auto;padding:26px 16px 44px}
.col{
  display:grid;
  grid-template-columns:minmax(0,1fr) 264px;
  gap:32px;
  align-items:start;
}
.body{min-width:0}
.body > section{scroll-margin-top:120px;animation:ink .34s steps(3,end) backwards}
.body > section:nth-child(1){animation-delay:.05s}
.body > section:nth-child(2){animation-delay:.09s}
.body > section:nth-child(3){animation-delay:.13s}
.body > section:nth-child(4){animation-delay:.17s}
.body > section:nth-child(5){animation-delay:.21s}
.body > section:nth-child(6){animation-delay:.25s}
.body > section:nth-child(7){animation-delay:.29s}
.body > section + section{
  margin-top:36px;
  padding-top:28px;
  border-top:1px dashed var(--line);
}
.body h2{
  margin:0 0 14px;
  font-family:var(--display);
  font-size:clamp(22px,3.2vw,30px);
  line-height:1.25;
  letter-spacing:.01em;
}
.body h2::after{
  content:"";
  display:block;
  width:96px;
  height:7px;
  margin-top:8px;
  background:var(--ink);
  opacity:.85;
  border-radius:4px 6px 3px 5px;
  transform:rotate(-1.2deg);
}
.body h3{margin:22px 0 10px;font-size:19px;line-height:1.4}
.body ul,.body ol{margin:0 0 18px;padding-left:22px}
.body li{margin:0 0 8px}
.body a{
  color:var(--ink);
  text-decoration:underline;
  text-decoration-style:wavy;
  text-underline-offset:3px;
}
.body blockquote{
  margin:0 0 20px;
  padding:10px 16px;
  background:var(--soft);
  border-left:3px solid var(--ink);
  font-style:italic;
}
.body figure{margin:0 0 20px}
.body figure img{border:1px solid var(--line)}

/* 侧栏 */
.side{
  position:sticky;
  top:84px;
  padding:16px 16px 18px;
  background:var(--paper);
  border:2px solid var(--ink);
  border-radius:28px 22px 30px 24px;
  box-shadow:7px 7px 0 rgba(26,26,26,.08);
  transform:rotate(.6deg);
}
.side small{display:block;font-size:13px;letter-spacing:.2em;color:var(--gray)}
.side h2{margin:2px 0 12px;font-family:var(--display);font-size:21px;line-height:1.3}
.toc{margin:0;padding:0;list-style:none;font-size:15px}
.toc li + li{border-top:1px dashed var(--line)}
.toc a{
  display:block;
  min-height:40px;
  padding:10px 2px;
  line-height:1.35;
  color:var(--gray);
  text-decoration:none;
}
.toc a:hover{color:var(--ink);background:var(--soft)}

/* 页脚 */
.foot{
  padding:26px 16px 18px;
  background:var(--soft);
  border-top:2px solid var(--ink);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:26px;
  max-width:1100px;
  margin:0 auto;
}
address{display:block;margin:0 0 14px;font-style:normal}
.stamp{
  display:block;
  font-family:var(--display);
  font-size:24px;
  line-height:1.2;
  letter-spacing:.02em;
}
address span{
  display:block;
  margin-top:4px;
  font-size:13px;
  letter-spacing:.2em;
  color:var(--gray);
}
.sub{max-width:340px;margin:0}
.sub label{display:block;margin-bottom:6px;font-size:13px;letter-spacing:.16em;color:var(--gray)}
.sub-row{display:flex;flex-wrap:wrap;gap:8px}
.sub input{
  flex:1 1 150px;
  min-height:44px;
  padding:10px 12px;
  font:inherit;
  font-size:16px;
  color:var(--ink);
  background:var(--paper);
  border:2px solid var(--ink);
  border-radius:18px 22px 16px 24px;
}
.sub input:focus-visible{outline:2px dashed var(--gray);outline-offset:2px}
.sub-btn{
  min-height:44px;
  padding:10px 20px;
  font:inherit;
  font-size:16px;
  cursor:pointer;
  color:var(--paper);
  background:var(--ink);
  border:2px solid var(--ink);
  border-radius:22px 16px 24px 18px;
}
.sub-btn:hover{color:var(--ink);background:var(--paper)}
.foot-nav ul{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 14px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:16px;
}
.foot-nav a{
  display:block;
  min-height:40px;
  padding:8px 0;
  color:var(--gray);
  text-decoration:none;
}
.foot-nav a:hover{color:var(--ink);text-decoration:underline;text-decoration-style:wavy}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 18px;
  max-width:1100px;
  margin:20px auto 0;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:14px;
  color:var(--gray);
}
.copy{margin:0}
.foot-mini{display:flex;gap:16px;margin:0;padding:0;list-style:none}
.foot-mini a{display:block;min-height:38px;padding:8px 0;color:var(--gray);text-decoration:none}
.foot-mini a:hover{color:var(--ink)}

@keyframes drop{
  from{opacity:0;transform:translateY(-7px) rotate(-1.4deg)}
  to{opacity:1;transform:none}
}
@keyframes ink{
  from{opacity:0;transform:translateY(8px) rotate(-.4deg)}
  to{opacity:1;transform:none}
}

@media (max-width:860px){
  .col{grid-template-columns:1fr;gap:24px}
  .side{position:static;order:2;transform:none}
  .hero{grid-template-columns:1fr;min-height:0;gap:16px}
  .hero-copy{order:-1}
  .hero-art{min-height:210px}
  .foot-grid{grid-template-columns:1fr;gap:20px}
}
@media (max-width:540px){
  .nav ol{justify-content:flex-start}
  .nav a{padding:11px 8px}
  .shot-1{width:64%}
  .shot-2{width:56%}
  .wrap{padding-top:20px}
  .ticker-txt{font-size:12px;letter-spacing:.16em}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

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