:root{
--bg:#ffffff; --text:#111; --muted:#6b7280; --brand:#5A48F5; --accent:#111; --border:#e5e7eb; --chip:#f3f4f6;
--maxw:1160px; --radius:16px; --px: clamp(14px, 5vw, 22px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Inter,Arial,sans-serif;color:var(--text);background:var(--bg);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);}
img{max-width:100%;height:auto;}
a{color:#1e73be;text-decoration:none}
a:hover {
text-decoration: underline;
}
.container{max-width:780px;margin:0 auto;padding:0 var(--px) }
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;background-color: #245894;
max-width: 100%;}
.brand{font-weight:800;color:#fff;letter-spacing:0.5px}
.brand .accent{color:var(--brand)}
.header-actions{display:flex;gap:10px;align-items:center}
.nav{padding:8px 0;border-top:1px solid var(--border);}
.nav ul{list-style:none;margin:0;padding:10px;display:flex;gap:18px;flex-wrap:wrap}
.nav li{list-style:none}
.nav a{font-weight:600;color:#000}
.nav a{font-weight:600}
.toc-container{border: 1px solid #aaa;}
.site-title a {color:#fff}
.trending{display:flex;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--border)}
.trending .label{font-size:12px;font-weight:700;background:#245894;color:#fff;padding:2px 6px;border-radius:999px}
.tagcloud a{display:inline-block;background:var(--chip);padding:6px 10px;border-radius:999px;margin-right:8px;font-size:12px;color:#111}
.site-title{font-size: 30px;margin: 10px;}
.main{padding:18px 10px;max-width: 1200px;}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin:18px 0}
.hero .badge{background:var(--brand);color:#fff;font-weight:800;font-size:12px;display:inline-block;padding:4px 8px;border-radius:6px;margin-bottom:8px}
.hero h1{font-size:clamp(28px,3.2vw,40px);line-height:1.1;margin:8px 0}
.hero .meta{color:var(--muted);font-size:14px;margin:8px 0}
.hero .excerpt{color:#333;font-size:16px} .card h3 a {
color: #000;
text-decoration: none;
}
.card h3 a:hover {
text-decoration: underline;
} .hero h1 a,
.hero h2 a {
color: #000;
text-decoration: none;
}
.hero h1 a:hover,
.hero h2 a:hover {
text-decoration: underline;
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:flex;flex-direction:column;gap:10px}
.badge{background:#245894;color:#fff;font-weight:800;font-size:11px;display:inline-block;padding:3px 7px;border-radius:6px}
.card h3{font-size:18px;line-height:1.25;margin:4px 0}
.card .meta{color:var(--muted);font-size:12px}
.card .excerpt{color:#333;font-size:14px}
.article{max-width:780px;margin:0 auto}
.article header h1{font-size:clamp(28px,3.2vw,42px);line-height:1.15;margin:10px 0}
.article .meta{color:var(--muted);font-size:14px;margin:8px 0}
.article figure{margin:16px 0}
.article .content{font-size:18px;line-height:1.7}
.article .content h2{margin-top:28px}
.article .content p{margin:14px 0}
.suggestion-article{padding:10px}
.sidebar{position:sticky;top:16px}
.widget{border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:16px}
.widget h2{font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px}
.footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted);font-size:14px}
.searchform{display:flex;gap:8px}
.searchform input{flex:1;border:1px solid var(--border);border-radius:12px;padding:10px}
$1 .topbar{justify-content:center}
.brand{margin:0 auto;text-align:center}
.header-actions{position:absolute;right:var(--px);top:50%;transform:translateY(-50%);display:flex;gap:10px;align-items:centertop:50%;transform:translateY(-50%);display:flex;gap:10px;align-items:center}
.brand img{max-height:48px;height:auto;width:auto}
@media (max-width:960px){
.hero{grid-template-columns:1fr}
.grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
.nav{overflow:auto;display:none}
.grid{grid-template-columns:1fr}
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