:root{
  --bg:#f7f7f5;
  --surface:#ffffff;
  --text:#171717;
  --muted:#666;
  --line:#e8e8e3;
  --accent:#111;
  --soft:#fafaf8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter: blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0}
.brand-title{font-size:1.45rem;font-weight:700;letter-spacing:-0.03em}
.brand-sub{font-size:.9rem;color:var(--muted)}
nav{display:flex;flex-wrap:wrap;gap:10px}
nav a{
  padding:9px 12px;border-radius:12px;color:var(--muted);font-size:.95rem
}
nav a:hover, nav a.active{background:#111;color:#fff}
.hero{padding:72px 0 40px}
.badge{
  display:inline-block;border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:6px 12px;font-size:.9rem;color:var(--muted)
}
h1{font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.05;letter-spacing:-0.04em;margin:16px 0}
h2{font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.15;letter-spacing:-0.03em;margin:0 0 12px}
h3{font-size:1.25rem;line-height:1.25;letter-spacing:-0.02em;margin:0 0 10px}
p{margin:0 0 14px}
.lead{font-size:1.1rem;color:var(--muted);max-width:760px}
.section{padding:26px 0 56px}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;
  box-shadow:0 2px 12px rgba(0,0,0,.03)
}
.card-soft{background:var(--soft)}
.meta{display:flex;justify-content:space-between;gap:12px;font-size:.9rem;color:var(--muted);margin-bottom:12px}
.button{
  display:inline-block;background:#111;color:#fff;border-radius:16px;padding:12px 16px;
  font-weight:600;font-size:.95rem
}
.button.secondary{background:#fff;color:#111;border:1px solid var(--line)}
.inline-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.notice{
  background:#fff8e7;border-top:1px solid #f1e2b6;border-bottom:1px solid #f1e2b6;
  color:#6e4f00;font-size:.95rem
}
.notice .container{padding-top:12px;padding-bottom:12px}
.list-clean{list-style:none;margin:0;padding:0}
.list-clean li{padding:14px 0;border-bottom:1px solid var(--line)}
.list-clean li:last-child{border-bottom:0}
.category-pill{
  display:inline-block;padding:8px 12px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:.92rem;margin:0 10px 10px 0
}
footer{
  margin-top:48px;border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);font-size:.95rem
}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.22em;color:var(--muted);margin-bottom:8px}
.article{padding:48px 0}
.article-wrap{max-width:760px}
.article .article-meta{color:var(--muted);font-size:.95rem;margin-bottom:18px}
.article h1{font-size:clamp(2.2rem,5vw,3.7rem);margin-bottom:8px}
.article-content h2{margin-top:34px}
.article-content ul{padding-left:20px}
.ad-slot{
  border:1px dashed #cfcfc7;border-radius:24px;background:#fff;padding:24px;color:var(--muted)
}
.small{font-size:.92rem;color:var(--muted)}
@media (max-width: 860px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .topbar{align-items:flex-start;flex-direction:column}
  nav{width:100%}
}