:root{--bg:#0f1720;--card:#0b1220;--muted:#9aa4b2;--accent:#06b6d4;--glass:rgba(255,255,255,0.03);--radius:12px;font-family:Inter,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
body,html{height:100%}
body{margin:0;background:linear-gradient(180deg,#071226 0,#0b1220 100%);color:#e6eef6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5;padding:28px}
.container{max-width:1050px;margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:inherit}
.logo{width:52px;height:52px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#60a5fa);display:flex;align-items:center;justify-content:center;font-weight:700;color:#04202a;box-shadow:0 6px 18px rgba(3,7,18,.6);flex:0 0 52px}
h1{font-size:20px;margin:0}
nav{display:flex;gap:14px;align-items:center}
nav a{text-decoration:none;font-size:14px}
.hero{background:linear-gradient(90deg,rgba(255,255,255,.02),rgba(255,255,255,.01));border-radius:var(--radius);padding:18px;display:flex;gap:18px;align-items:center;margin-bottom:20px;box-shadow:0 10px 30px rgba(2,6,23,.6)}
.hero-left{flex:1}
.hero p{color:var(--muted);margin:8px 0 0}
.search{display:flex;gap:8px;margin-top:12px}
.search input{flex:1;padding:10px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.04);background:0 0;color:inherit;outline:0;font-size:14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.02)}
.search button{padding:10px 14px;border-radius:10px;border:none;background:var(--accent);color:#02121a;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
article.card{background:var(--card);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease;border:1px solid rgba(255,255,255,.02)}
article.card:hover{transform:translateY(-6px);box-shadow:0 14px 40px rgba(2,8,20,.6)}
.thumb{width:100%;height:170px;object-fit:cover;display:block;padding:10px}
.card-body{padding:14px;display:flex;flex-direction:column;gap:10px;flex:1}
.meta{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}
.title{font-size:16px;margin:0 0 4px}
.excerpt{color:var(--muted);font-size:14px;flex:1}
.read{margin-top:8px;text-decoration:none;color:var(--accent);font-weight:600;font-size:14px}
img{width:100%}
table{width:100%;border-collapse:collapse;margin:20px 0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1)}
th{background:#4a5568;color:#fff;font-weight:600;padding:12px 15px;text-align:left;font-size:14px}
td{padding:12px 15px;border-bottom:1px solid #e2e8f0;color:#2d3748;font-size:14px}
tr:nth-child(even) td{background:#f7fafc}
tr:hover td{background:#edf2f7}
td:first-child{font-weight:600}
.layout{display:grid;grid-template-columns:1fr 320px;gap:20px}
aside{background:var(--glass);padding:14px;border-radius:12px;height:fit-content}
.tag{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(6,182,212,.12);color:var(--accent);font-weight:600;margin:6px 6px 0 0;font-size:13px}
footer{margin-top:30px;color:var(--muted);font-size:13px;text-align:center}
@media (max-width:900px){.layout{grid-template-columns:1fr}
aside{order:2}
}
a{color:#06b6d4;text-decoration:none}
h1{font-size:26px;margin:10px 0}
h2{font-size:22px}
h3{margin-top:22px;font-size:18px}
p{margin:14px 0}
img.featured{width:100%;border-radius:12px;margin:14px 0;box-shadow:0 8px 28px rgba(0,0,0,.4)}
nav.breadcrumb{font-size:14px;color:#9aa4b2;margin-bottom:14px}
.meta{font-size:14px;color:#9aa4b2;margin-bottom:12px}
.toc{background:rgba(255,255,255,.03);padding:14px;border-radius:10px;margin:18px 0}
@media (max-width:768px){table{font-size:12px;margin:15px 0}
td,th{padding:8px 10px}
}
@media (max-width:600px){table,tbody,td,th,thead,tr{display:block}
thead tr{position:absolute;top:-9999px;left:-9999px}
tr{border:1px solid #fff;margin-bottom:15px;padding:15px;border-radius:8px;background:#fff}
td{border:none;border-bottom:1px solid #edf2f7;position:relative;padding:8px 0;padding-left:45%;text-align:left}
td:last-child{border-bottom:none}
td:before{content:attr(data-label) ": ";position:absolute;left:6px;width:40%;padding-right:10px;white-space:nowrap;font-weight:600;color:#4a5568}
}