*{box-sizing:border-box}
:root{--blue:#0866f5;--text:#172033;--muted:#6b7280;--line:#e7ebf0}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.75;background:#fff}
a{color:inherit;text-decoration:none}
.header{max-width:1100px;margin:auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;gap:24px;border-bottom:1px solid var(--line)}
.logo{font-size:25px;font-weight:800;letter-spacing:-1px;color:#111827;white-space:nowrap}
.logo span{color:var(--blue)}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{font-size:14px;color:#374151}
nav a:hover,footer a:hover,.related a:hover{color:var(--blue)}
main{max-width:820px;margin:38px auto 55px;padding:0 24px}
.category{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px}
h1{font-size:clamp(32px,5vw,48px);line-height:1.15;letter-spacing:-1.3px;margin:10px 0 14px;color:#101827}
.description{font-size:19px;line-height:1.5;color:#566176;margin:0 0 18px}
.meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.featured-image{margin:25px 0 28px}
.featured-image img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:#eef4fb}
figcaption{font-size:12px;color:var(--muted);margin-top:7px}
.article-content{font-size:17px;line-height:1.85}
.article-content p{margin:0 0 20px}
.article-content h2{font-size:27px;line-height:1.3;margin:32px 0 12px;color:#123b80;scroll-margin-top:20px}
.article-content ul{padding-left:24px;margin-bottom:24px}
.article-content li{padding:3px 0}
.related{border-top:1px solid var(--line);padding-top:22px;margin-top:38px}
.related h2{font-size:22px;margin:0 0 10px}
.related a{display:block;padding:10px 0;border-bottom:1px solid #f0f2f5;font-weight:600}
footer{text-align:center;padding:28px 20px;background:#f7f9fc;border-top:1px solid var(--line)}
footer p{color:var(--muted);margin:4px 0 12px}
footer div{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:12px;font-size:13px}
footer small{color:var(--muted)}
@media(max-width:600px){.header{padding:14px 18px}.header nav{display:none}.logo{font-size:23px}main{margin:26px auto 40px;padding:0 18px}h1{font-size:34px;letter-spacing:-.8px}.description{font-size:17px}.article-content{font-size:16px;line-height:1.8}.article-content h2{font-size:24px;margin-top:27px}.featured-image{margin:21px 0 24px}}