:root{
  --bg:#f3ede4;
  --bg-soft:#efe6db;
  --panel:#fffaf3;
  --panel-2:#f8f1e8;
  --text:#211812;
  --muted:#66564a;
  --soft:#89786a;
  --line:#dfd2c3;
  --line-strong:#cbb49f;
  --accent:#8b3f24;
  --accent-2:#a97c3b;
  --accent-3:#38404a;
  --shadow:0 22px 54px rgba(52,34,20,.09);
  --shadow-soft:0 10px 26px rgba(52,34,20,.08);
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --max:1180px;
  color-scheme:light;
  scroll-behavior:smooth;
}
*{box-sizing:border-box}
html,body{margin:0;min-width:320px;min-height:100%}
body{
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  line-height:1.78;
  background:
    radial-gradient(circle at 14% 10%, rgba(139,63,36,.09), transparent 18%),
    radial-gradient(circle at 88% 12%, rgba(169,124,59,.11), transparent 16%),
    radial-gradient(circle at 72% 94%, rgba(56,64,74,.08), transparent 20%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.68) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.52) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:.28;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.26), transparent 88%);
}
a{color:inherit;text-decoration:none}
p,ul,ol,dl,figure{margin:0}
.skip-link{
  position:absolute;
  left:-999px;
  top:12px;
  z-index:100;
  padding:10px 14px;
  border-radius:999px;
  background:#fff;
  color:#111;
  box-shadow:var(--shadow-soft);
}
.skip-link:focus{left:12px}
.page{
  width:min(var(--max), calc(100vw - 24px));
  margin:0 auto;
  padding:14px 0 36px;
  position:relative;
  z-index:1;
}
.masthead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 4px 20px;
}
.masthead-small{padding-bottom:14px}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:44px;
  height:44px;
  border-radius:16px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
  color:#fff8f0;
  font:700 18px/1 "Noto Serif SC","Songti SC","STSong",serif;
  background:linear-gradient(160deg, #7f3a21, #b57b38);
  box-shadow:var(--shadow-soft);
}
.brand-copy strong{
  display:block;
  font-size:15px;
  line-height:1.15;
}
.brand-copy span{
  display:block;
  margin-top:3px;
  color:var(--soft);
  font-size:12px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:42ch;
}
.nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:8px;
  margin-left:auto;
}
.nav a{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid transparent;
  background:rgba(255,255,255,.3);
  color:var(--muted);
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.nav a:hover,.nav a:focus-visible{
  transform:translateY(-1px);
  background:rgba(139,63,36,.08);
  border-color:rgba(139,63,36,.14);
  color:var(--text);
  outline:none;
}
main{display:grid;gap:16px}
.panel,.story-card,.signal-card,.note-card,.about-panel,.about-card{
  background:linear-gradient(180deg, rgba(255,250,243,.96), rgba(248,241,232,.98));
  border:1px solid rgba(223,210,195,.92);
  box-shadow:var(--shadow);
}
.panel,.about-panel,.about-card,.story-card,.signal-card,.note-card{border-radius:var(--radius-xl)}
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);
  gap:14px;
  padding:14px;
}
.hero-copy,.answer-card,.story-card,.signal-card,.sources,.reading,.boundary,.about-panel,.about-card{
  padding:18px;
}
.hero-copy{
  border-radius:22px;
  background:
    radial-gradient(circle at 18% 18%, rgba(139,63,36,.12), transparent 18%),
    linear-gradient(180deg, rgba(255,250,243,.98), rgba(247,239,229,.98));
  min-height:360px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:18px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:fit-content;
  padding:7px 11px;
  border-radius:999px;
  border:1px solid rgba(139,63,36,.14);
  background:rgba(139,63,36,.06);
  color:var(--accent);
  font-size:12px;
  letter-spacing:.04em;
}
h1,h2,h3{
  margin:0;
  font-family:"Noto Serif SC","Songti SC","STSong",serif;
  line-height:1.14;
  letter-spacing:-.03em;
}
h1{font-size:clamp(42px,6vw,76px);max-width:10.5ch}
.hero-copy .lead,.answer-card p,.story-card p,.signal-card li,.source-item p,.reading-row,.note-card p,.about-panel p,.about-card p{
  font-size:16px;
  color:var(--muted);
}
.hero-copy .lead{
  max-width:62ch;
  font-size:17px;
  color:#4a3c31;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-points span{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(121,105,90,.24);
  background:rgba(255,255,255,.55);
  color:var(--text);
  font-size:13px;
}
.answer-card{
  border-radius:22px;
  background:
    linear-gradient(180deg, rgba(255,250,243,.98), rgba(248,241,232,.98)),
    radial-gradient(circle at 100% 0%, rgba(169,124,59,.12), transparent 22%);
  display:grid;
  align-content:start;
  gap:14px;
  min-height:360px;
}
.answer-card h2{font-size:clamp(24px,2.7vw,38px)}
.answer-note{
  margin-top:auto;
  padding:14px;
  border-radius:18px;
  border:1px solid rgba(139,63,36,.12);
  background:rgba(139,63,36,.05);
  display:grid;
  gap:4px;
}
.answer-note strong{font-size:15px}
.editorial-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);
  gap:16px;
}
.story-card,.signal-card{
  display:grid;
  gap:14px;
}
.story-card h2,.signal-card h2,.section-head h2,.about-panel h1{font-size:clamp(26px,3vw,42px)}
.signal-list{
  margin:0;
  padding-left:18px;
  display:grid;
  gap:10px;
  color:var(--muted);
}
.sources,.reading{
  display:grid;
  gap:16px;
}
.section-head{
  display:grid;
  gap:10px;
  align-items:start;
}
.source-list{
  display:grid;
  gap:12px;
}
.source-item{
  display:grid;
  grid-template-columns:48px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:16px;
  border-radius:20px;
  border:1px solid rgba(223,210,195,.9);
  background:rgba(255,255,255,.45);
}
.source-index{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:linear-gradient(160deg, rgba(139,63,36,.12), rgba(169,124,59,.18));
  color:var(--accent);
  font:700 17px/1 "Noto Serif SC","Songti SC","STSong",serif;
}
.source-item h3{font-size:22px;margin-bottom:6px}
.reading-map{
  display:grid;
  gap:10px;
}
.reading-row{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:12px;
  padding:15px 16px;
  border-radius:18px;
  border:1px solid rgba(223,210,195,.9);
  background:rgba(255,255,255,.48);
}
.reading-head{
  background:linear-gradient(180deg, rgba(139,63,36,.09), rgba(139,63,36,.04));
  color:var(--text);
  font-weight:700;
}
.boundary{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
.note-card{
  padding:18px;
  display:grid;
  gap:10px;
}
.note-card h3,.about-card h2{font-size:22px}
.footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 4px 2px;
  color:var(--soft);
}
.footer a,.about-back a{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:3px;
}
.about-main{
  display:grid;
  gap:16px;
}
.about-panel{
  display:grid;
  gap:12px;
}
.about-panel h1{max-width:12ch}
.about-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
.about-card{
  display:grid;
  gap:10px;
}
.about-back{
  margin-top:4px;
}
section{scroll-margin-top:100px}

@media (max-width: 980px){
  .hero,.editorial-grid,.boundary,.about-grid{
    grid-template-columns:1fr;
  }
  .hero-copy,.answer-card{min-height:auto}
}

@media (max-width: 720px){
  .page{
    width:min(var(--max), calc(100vw - 16px));
    padding:8px 0 28px;
  }
  .masthead{
    flex-direction:column;
    align-items:flex-start;
    padding:10px 2px 14px;
  }
  .nav{
    width:100%;
    justify-content:flex-start;
  }
  .hero,.story-card,.signal-card,.sources,.reading,.boundary,.about-panel,.about-card{
    padding:14px;
    border-radius:22px;
  }
  .hero{
    gap:12px;
  }
  h1{max-width:none}
  .source-item,.reading-row{
    grid-template-columns:1fr;
  }
  .source-index{
    width:40px;
    height:40px;
    border-radius:14px;
  }
  .footer{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media (max-width: 420px){
  .brand-copy span{
    max-width:24ch;
  }
  .nav a{
    padding:7px 10px;
    font-size:13px;
  }
  h1{font-size:clamp(36px,12vw,52px)}
  .hero-copy .lead{
    font-size:16px;
  }
}