:root{--bg:#fff;--text:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--accent:#0071e3}
*{box-sizing:border-box;margin:0;padding:0}
body{background:#fff;color:var(--text);font:17px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit}
.wrap{width:min(760px,calc(100% - 40px));margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:17px}
.brand img{width:28px;height:28px;border-radius:7px}
.back{color:var(--accent);text-decoration:none;font-size:14px}
h1{font-size:clamp(30px,4vw,40px);line-height:1.12;letter-spacing:-.03em;font-weight:650;margin:28px 0 12px}
.lead{font-size:19px;margin-bottom:24px}
.date{color:var(--muted);font-size:13px}
article h2{font-size:24px;letter-spacing:-.02em;margin:32px 0 8px}
article h3{font-size:19px;margin:22px 0 6px}
article p{margin:0 0 14px}
article ul,article ol{margin:0 0 16px 1.2em}
article li{margin:6px 0}
article a{color:var(--accent)}
article hr{border:0;border-top:1px solid var(--line);margin:36px 0 8px}
.note{margin:20px 0;padding:14px 16px;background:#f5f5f7;border-radius:12px}
.cta{margin:28px 0 8px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:980px;text-decoration:none;font-weight:500;font-size:15px}
.btn.primary{background:#0071e3;color:#fff}
.btn.ghost{background:#f5f5f7;color:var(--text)}
.related{margin-top:24px;padding-top:12px;border-top:1px solid var(--line)}
.related a{display:block;color:var(--accent);text-decoration:none;padding:8px 0}
.cards{display:flex;flex-direction:column;gap:8px;margin:20px 0 40px}
.group h2{font-size:20px;margin:18px 0 6px}
.group a.item{display:block;text-decoration:none;padding:12px 0;border-bottom:1px solid #eee}
.group a.item b{display:block;font-size:17px}
.views{margin-left:8px;color:var(--muted);font-style:normal;font-weight:500;font-size:13px}
.group a.item span{display:block;color:var(--muted);font-size:15px;margin-top:3px}
footer{margin:16px 0 36px;color:var(--muted);font-size:13px}
footer a{color:var(--accent);text-decoration:none}