:root{--wood:#7d9a8c;--fire:#b87367;--earth:#c4a87c;--metal:#d4c5a0;--water:#8b9eb3;--bg:#080d16;--text:rgba(255,255,255,0.85);--muted:rgba(255,255,255,0.45);--border:rgba(255,255,255,0.08);--card-bg:rgba(255,255,255,0.03)}
*{margin:0;padding:0;box-sizing:border-box}
body {
  margin: 0; padding: 0;
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  color: #e8e8e8;
  background-color: #080d16;
  background-image: url('/img/carina_nebula.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  background-repeat: no-repeat;
  line-height: 1.8;
  font-size: 15px;
}
body::before {
content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg,
    rgba(8,13,22,0.75) 0%,
    rgba(8,13,22,0.55) 30%,
    rgba(8,13,22,0.65) 60%,
    rgba(8,13,22,0.85) 100%);
  z-index: -1;
  pointer-events: none;
}
nav{position:fixed;top:0;width:100%;background:rgba(8,13,22,0.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:100;padding:14px 2rem;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--border)}
nav a{color:var(--muted);text-decoration:none;font-size:0.85rem;transition:color .3s}
nav a:hover{color:var(--metal)}
nav a:first-child{color:var(--metal);font-weight:600;font-size:1rem;letter-spacing:0.5px}
.content{max-width:860px;margin:0 auto;padding:90px 2rem 60px}
h1{font-size:2rem;color:var(--metal);margin:0 0 8px;font-weight:600;letter-spacing:-0.5px}
h2{font-size:1.35rem;color:var(--earth);margin:48px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--border);font-weight:500}
h3{font-size:1.1rem;color:var(--water);margin:28px 0 12px;font-weight:500}
h4{font-size:0.95rem;color:var(--wood);margin:20px 0 8px;font-weight:500}
p{margin:0 0 16px;color:var(--text)}
a{color:var(--water);text-decoration:none;border-bottom:1px solid rgba(139,158,179,0.2);transition:all .3s}
a:hover{color:var(--metal);border-bottom-color:var(--metal)}
ul,ol{margin:0 0 16px;padding-left:24px}
li{margin:4px 0;color:var(--text)}
li::marker{color:var(--earth)}
strong,b{color:var(--metal);font-weight:600}
em,i{color:var(--water)}
blockquote{margin:20px 0;padding:16px 20px;background:rgba(212,197,160,0.05);border-left:3px solid var(--metal);border-radius:0 8px 8px 0;color:var(--text);font-style:normal}
code{background:rgba(255,255,255,0.06);padding:2px 6px;border-radius:4px;font-family:'JetBrains Mono',monospace;font-size:0.85em;color:var(--water)}
pre{background:rgba(0,0,0,0.3);padding:20px;border-radius:8px;overflow-x:auto;margin:16px 0;border:1px solid var(--border)}
pre code{background:none;padding:0}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:0.9rem}
th{background:rgba(255,255,255,0.04);padding:12px 16px;text-align:left;color:var(--metal);font-weight:500;border-bottom:2px solid var(--border)}
td{padding:10px 16px;border-bottom:1px solid var(--border)}
tr:hover td{background:rgba(255,255,255,0.02)}
.subtitle{color:var(--muted);font-size:0.95rem;margin-bottom:32px;line-height:1.6}
.kpi-row{display:flex;gap:16px;margin:24px 0;flex-wrap:wrap}
.kpi{flex:1;min-width:120px;padding:16px;background:var(--card-bg);border:1px solid var(--border);border-radius:10px;text-align:center}
.kpi-value{font-size:1.6rem;font-weight:600;color:var(--metal);letter-spacing:-0.5px}
.kpi-label{font-size:0.75rem;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:0.5px}
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:20px;margin:12px 0;transition:all .3s}
.card:hover{border-color:rgba(255,255,255,0.15);background:rgba(255,255,255,0.04)}
.highlight{background:rgba(212,197,160,0.06);border-left:3px solid var(--metal);padding:16px 20px;margin:16px 0;border-radius:0 8px 8px 0}
.highlight-wood{border-left-color:var(--wood);background:rgba(125,154,140,0.06)}
.highlight-fire{border-left-color:var(--fire);background:rgba(184,115,103,0.06)}
.highlight-earth{border-left-color:var(--earth);background:rgba(196,168,124,0.06)}
.highlight-water{border-left-color:var(--water);background:rgba(139,158,179,0.06)}
.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:0.7rem;font-weight:600;letter-spacing:0.5px;text-transform:uppercase}
.badge-s{background:rgba(125,154,140,0.2);color:var(--wood)}
.badge-a{background:rgba(139,158,179,0.2);color:var(--water)}
.badge-b{background:rgba(196,168,124,0.2);color:var(--earth)}
.badge-c{background:rgba(184,115,103,0.2);color:var(--fire)}
details{margin:12px 0;padding:12px 16px;background:var(--card-bg);border:1px solid var(--border);border-radius:8px}
summary{cursor:pointer;color:var(--earth);font-weight:500}
footer{text-align:center;padding:48px 2rem;color:var(--muted);font-size:0.8rem;border-top:1px solid var(--border);margin-top:60px}
footer a{color:var(--muted);border-bottom:none}
@media(max-width:768px){.content{padding:80px 1rem 40px}.kpi-row{gap:8px}.kpi{min-width:80px;padding:12px}h1{font-size:1.5rem}nav{padding:10px 1rem;gap:16px}}