:root{
  --bg:#0b0c10; --panel:#111217; --muted:#8b90a1; --text:#f2f4f8;
  --accent:#a678de; --accent-2:#58d1b9; --border:#232533;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px; --maxw: 1100px; --gap: 18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(120deg,var(--bg) 0%,#0f1120 100%);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;scroll-behavior:smooth}
a{color:var(--accent-2);text-decoration:none;transition:color 0.2s}
a:hover{text-decoration:underline}
img{max-width:100%;display:block;height:auto}
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.container{max-width:var(--maxw);margin:0 auto;padding:24px;width:100%}
@media (max-width: 640px){.container{padding:16px}}
.header{position:sticky;top:0;backdrop-filter: blur(8px);background:rgba(15,17,32,.85);border-bottom:1px solid var(--border);z-index:10}
.nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.logo img{width:28px;height:28px}
.nav nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:10px 12px;border-radius:10px;font-size:14px;transition:background 0.2s}
.nav a.current,.nav a:hover{background:rgba(166,120,222,.12)}
@media (max-width: 768px){.nav{gap:12px}.nav a{padding:8px 10px;font-size:13px}}
@media (max-width: 560px){.nav{flex-direction:column;align-items:flex-start}.nav nav{flex-direction:column;gap:6px;width:100%}.nav a{width:100%;padding:8px 10px}}
.hero{display:grid;grid-template-columns: 1.2fr .8fr;gap:var(--gap);align-items:start;margin-top:26px}
@media (max-width: 768px){.hero{grid-template-columns: 1fr;margin-top:18px}}
.card{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;word-wrap:break-word;overflow-wrap:break-word}
@media (max-width: 640px){.card{padding:16px}}
.badge{display:inline-block;padding:6px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px}
h1{font-size:38px;margin:.4em 0 .2em 0;line-height:1.2}
h2{font-size:26px;margin:0 0 .6em 0}
h3{font-size:18px;margin:.6em 0 .4em 0}
@media (max-width: 640px){h1{font-size:28px}h2{font-size:20px}h3{font-size:16px}}
.lead{color:#d9dbe3}
ul,ol{margin:0.8em 0;padding-left:24px}
li{margin:0.4em 0}
.grid{display:grid;gap:var(--gap)}
.grid.cols-3{grid-template-columns: repeat(3,1fr)}
.grid.cols-2{grid-template-columns: repeat(2,1fr)}
.grid.cols-4{grid-template-columns: repeat(4,1fr)}
@media (max-width: 960px){.hero{grid-template-columns: 1fr}.grid.cols-3,.grid.cols-4{grid-template-columns: 1fr 1fr}}
@media (max-width: 768px){.grid.cols-2{grid-template-columns: 1fr}}
@media (max-width: 640px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns: 1fr}}
.kbd{font:12px/1.3 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;padding:2px 6px;border:1px solid var(--border);border-radius:6px;color:var(--muted)}
.muted{color:var(--muted)}
.footer{border-top:1px solid var(--border);margin-top:30px;background:rgba(15,17,32,.4)}
.footer .container{display:flex;gap:var(--gap);justify-content:space-between;flex-wrap:wrap;color:var(--muted);font-size:14px}
@media (max-width: 640px){.footer .container{flex-direction:column;gap:10px;text-align:center}}
.gallery{display:grid;grid-template-columns: repeat(3,1fr);gap:var(--gap)}
@media (max-width: 900px){.gallery{grid-template-columns: repeat(2,1fr)}}
@media (max-width: 560px){.gallery{grid-template-columns: 1fr}}
.figure{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:#0e1020;aspect-ratio:1;display:flex;align-items:flex-end}
.figure img{width:100%;height:100%;object-fit:cover}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(0,0,0,.8),rgba(0,0,0,.3));padding:12px 14px;color:#e8eaf1;font-size:14px;width:100%}
@media (max-width: 640px){.figure figcaption{font-size:13px;padding:10px 12px}}
.table{width:100%;border-collapse:collapse;border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:14px}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--border)}
.table th{text-align:left;background:rgba(255,255,255,.02);font-weight:600}
.table tr:hover td{background:rgba(166,120,222,.06)}
.table a{word-break:break-all}
@media (max-width: 640px){.table{font-size:13px}.table th,.table td{padding:10px 12px}}
.input,textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:#0f1222;color:var(--text);font:inherit;transition:border-color 0.2s}
.input:focus,textarea:focus{outline:0;border-color:var(--accent-2)}
textarea{min-height:140px;resize:vertical}
.button{display:inline-block;padding:10px 14px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#7a57c7);color:white;border:0;cursor:pointer;transition:opacity 0.2s;font-weight:500}
.button:hover{opacity:0.9}
.button.secondary{background:linear-gradient(135deg,#2f374a,#22293a)}
.breadcrumbs{display:flex;gap:10px;font-size:14px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.breadcrumbs a{color:var(--muted)}
.callout{border:1px dashed var(--border);border-radius:12px;padding:14px;background:rgba(88,209,185,.06);font-size:15px}
@media (max-width: 640px){.callout{padding:12px;font-size:14px}}