:root {
  --bg:#0f172a; --card-bg:#1e293b; --accent:#06b6d4;
  --text:#f8fafc; --text-muted:#a8b4c7; --border:#50647f;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:#0f172a;color-scheme:dark;scrollbar-color:#50647f #0f172a}
html::-webkit-scrollbar{width:12px;height:12px}
html::-webkit-scrollbar-track{background:#0f172a}
html::-webkit-scrollbar-thumb{background:#50647f;border:3px solid #0f172a;border-radius:999px}
html::-webkit-scrollbar-thumb:hover{background:#06b6d4}
body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background-color:var(--bg);
  background-image:
    radial-gradient(ellipse 75% 55% at 8% 5%,rgba(6,182,212,.24),transparent 68%),
    radial-gradient(ellipse 65% 50% at 96% 38%,rgba(59,130,246,.18),transparent 70%),
    radial-gradient(ellipse 70% 55% at 42% 100%,rgba(124,58,237,.12),transparent 72%),
    linear-gradient(rgba(148,163,184,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.035) 1px,transparent 1px),
    linear-gradient(145deg,#0b1222 0%,#0f172a 45%,#111c35 100%);
  background-size:auto,auto,auto,36px 36px,36px 36px,auto;
  background-blend-mode:screen,screen,screen,normal,normal,normal;
  background-attachment:fixed;
  color:var(--text);line-height:1.65;
  min-height:100vh;
}
a{color:var(--accent)}
.site-header{padding:1.75rem 1rem 1.4rem;text-align:center}
.site-header h1{font-size:clamp(2rem,5vw,2.7rem);color:var(--accent);margin-bottom:.55rem}
.site-header p{max-width:850px;margin:0 auto;color:var(--text-muted);font-size:1.08rem}
.srtla-server-header h1{font-size:clamp(1.85rem,4vw,2.4rem);line-height:1.15;overflow-wrap:anywhere}
.srtla-server-header h1 span{display:block}
.srtla-server-header h1 span+span{margin-top:.22rem;font-size:.78em;color:#bae6fd}
.nav{
  position:sticky;top:.75rem;z-index:20;max-width:1200px;margin:.75rem auto 1rem;
  border:2px solid rgba(6,182,212,.58);border-radius:12px;background:rgba(15,23,42,.94);
  box-shadow:0 10px 32px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(14px)
}
.nav-bar{min-height:64px;padding:.65rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-identity{min-width:0;display:flex;align-items:center;gap:.45rem;color:var(--text-muted);font-weight:650}
.nav-brand{color:var(--text);font-weight:800;letter-spacing:.08em;text-decoration:none;white-space:nowrap}
.nav-current{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-toggle{
  display:none;flex:0 0 auto;width:44px;height:44px;padding:10px;border:2px solid var(--border);border-radius:8px;
  background:transparent;color:var(--text);cursor:pointer
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--accent);outline:none}
.nav-toggle-lines,.nav-toggle-lines::before,.nav-toggle-lines::after{
  display:block;width:22px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease
}
.nav-toggle-lines{position:relative}
.nav-toggle-lines::before,.nav-toggle-lines::after{content:"";position:absolute;left:0}
.nav-toggle-lines::before{top:-7px}.nav-toggle-lines::after{top:7px}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after{top:0;transform:rotate(-45deg)}
.nav-menu{padding:0 1rem 1rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.35rem}
.nav-menu a{padding:.65rem .75rem;border-radius:7px;color:var(--text-muted);text-decoration:none;font-weight:600}
.nav-menu a:hover,.nav-menu a:focus-visible{background:rgba(6,182,212,.1);color:var(--accent);outline:none}
.nav-secondary{grid-column:1/-1;margin-top:.55rem;padding-top:.8rem;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.35rem}
.nav-secondary a:first-child{grid-column:1/-1}
.js .nav-toggle{display:block}
.js .nav-menu{display:none;position:absolute;top:calc(100% + .5rem);right:0;width:min(520px,calc(100vw - 2rem));padding:1rem;border:1px solid var(--border);border-radius:12px;background:#1e293b;box-shadow:0 18px 40px rgba(0,0,0,.35)}
.js .nav-menu.is-open{display:grid}
main{padding:0 1rem 2rem}
.topic-visual{
  width:100%;max-width:1200px;margin:0 auto 2rem;border:2px solid var(--border);border-radius:14px;
  overflow:hidden;background:#081225;box-shadow:0 14px 34px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center
}
.topic-visual img{display:block;width:100%;max-width:100%;height:auto;margin:0 auto;object-fit:contain;object-position:center center}
.section-title{
  max-width:1200px;margin:0 auto 1.25rem;color:var(--text);
  font-size:1.8rem;border-left:4px solid var(--accent);padding-left:.75rem
}
.grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:1.5rem;max-width:1200px;margin:0 auto 3rem
}
.card{
  background:var(--card-bg);border-radius:12px;padding:1.5rem;
  border:2px solid var(--border);box-shadow:inset 0 1px 0 rgba(255,255,255,.045);
  transition:transform .2s ease,border-color .2s ease
}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card h2,.card h3{margin-bottom:.75rem}
.card h2,.card h3{font-size:1.4rem;display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.nav a[aria-current="page"]{color:var(--text);background:rgba(6,182,212,.12);box-shadow:inset 3px 0 0 var(--accent)}
.card p{margin-bottom:.75rem}
.tag{
  background:rgba(6,182,212,.15);color:var(--accent);font-size:.8rem;
  padding:.2rem .5rem;border-radius:4px;text-transform:uppercase;font-weight:700;white-space:nowrap
}
ul{list-style:none;margin-top:.5rem}
li{padding:.4rem 0;border-bottom:1px solid var(--border);color:var(--text-muted)}
li:last-child{border-bottom:none}
li strong{color:var(--text)}
.setup-service{margin-top:1.25rem;padding-top:1rem;border-top:1px solid var(--border)}
.setup-service a{display:inline-flex;align-items:center;gap:.4rem;text-decoration:none;font-weight:650}
.setup-service a::before{content:"⚙";font-size:.9rem}
.hero-box,.content-box{
  max-width:1200px;margin:0 auto 2rem;background:rgba(30,41,59,.92);
  border:2px solid var(--border);border-radius:12px;padding:1.5rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.045)
}
.hero-box h2,.content-box h2{margin-bottom:.7rem}
.hero-box p,.content-box p{margin:.55rem 0;color:var(--text-muted)}
.hero-box strong,.content-box strong{color:var(--text)}
.content-box h3{margin:1.35rem 0 .45rem;color:var(--accent)}
.content-box pre,.hero-box pre{
  margin:1rem 0;padding:1rem;overflow-x:auto;border:2px solid var(--border);
  border-radius:9px;background:#09111f;color:#dbeafe;line-height:1.5;
  scrollbar-color:#50647f #09111f
}
.content-box pre::-webkit-scrollbar,.hero-box pre::-webkit-scrollbar,.terminal-command code::-webkit-scrollbar{height:10px}
.content-box pre::-webkit-scrollbar-track,.hero-box pre::-webkit-scrollbar-track,.terminal-command code::-webkit-scrollbar-track{background:#09111f}
.content-box pre::-webkit-scrollbar-thumb,.hero-box pre::-webkit-scrollbar-thumb,.terminal-command code::-webkit-scrollbar-thumb{background:#50647f;border:2px solid #09111f;border-radius:999px}
.content-box code,.hero-box code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.content-box p code,.content-box li code,.hero-box p code,.hero-box div code{padding:.1rem .35rem;border-radius:4px;background:#09111f;color:#bae6fd}
.terminal-command{
  margin:1rem 0;border:2px solid var(--accent);border-radius:9px;overflow:hidden;
  background:#050b14;box-shadow:0 0 0 3px rgba(6,182,212,.1)
}
.terminal-label{
  display:block;padding:.42rem .8rem;background:rgba(6,182,212,.17);color:#a5f3fc;
  font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase
}
.terminal-command code{
  display:block;padding:1rem;overflow-x:auto;color:#f8fafc;font-size:1rem;
  font-weight:700;white-space:nowrap
}
.terminal-command code span{color:#22d3ee}
.command-separator{height:1px;margin:1.75rem 0;background:linear-gradient(90deg,transparent,var(--border) 15%,var(--accent) 50%,var(--border) 85%,transparent)}
#nginx pre + p{margin-top:1.75rem}
.content-box ol{margin:.5rem 0 .5rem 1.4rem}
.content-box ol li{list-style:decimal;padding:.35rem .2rem;border-bottom:0}
.warning,.success{margin:1rem 0;padding:1rem;border-left:4px solid #f59e0b;border-radius:7px;background:rgba(245,158,11,.08);color:var(--text-muted)}
.success{border-left-color:#22c55e;background:rgba(34,197,94,.08)}
.toc{columns:2;column-gap:2rem}.toc li{break-inside:avoid}
.cta{
  display:inline-block;margin-top:.9rem;padding:.65rem .9rem;border-radius:8px;
  background:var(--accent);color:#06222a;text-decoration:none;font-weight:750
}
.related{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1rem}
.related a{
  padding:.45rem .65rem;border:1px solid var(--border);border-radius:7px;
  text-decoration:none;background:rgba(15,23,42,.45)
}
table{width:100%;border-collapse:collapse;margin:1rem 0}
th,td{padding:.75rem;border:1px solid var(--border);text-align:left;vertical-align:top}
th{background:rgba(6,182,212,.08)}
footer{max-width:1200px;margin:0 auto;padding:1.5rem 1rem;border-top:1px solid var(--border)}
.footer-content{display:flex;justify-content:space-between;gap:1rem;align-items:center;color:var(--text-muted);font-size:.88rem}
.footer-links{display:flex;gap:1rem;flex-wrap:wrap}
.footer-links a{text-decoration:none;color:var(--text-muted)}
.footer-links a:hover{color:var(--accent)}
.breadcrumb{max-width:1200px;margin:0 auto 1rem;color:var(--text-muted);font-size:.9rem}
.breadcrumb a{text-decoration:none}
.note{font-size:.92rem;color:var(--text-muted)}
@media(max-width:600px){
  .site-header{padding:1.25rem 1rem 1rem}.site-header h1{font-size:clamp(1.8rem,9vw,2.25rem)}.srtla-server-header h1{font-size:clamp(1.55rem,7.2vw,1.95rem)}.section-title{font-size:1.5rem}
  .nav{top:.4rem;margin:.4rem .6rem .8rem}.nav-bar{min-height:58px;padding:.45rem .65rem}.nav-current{font-size:.9rem}
  .grid{grid-template-columns:1fr;gap:1rem}.card{padding:1.25rem}
  .topic-visual{margin-bottom:1.25rem;border-radius:10px}
  .footer-content{flex-direction:column;text-align:center}.footer-links{justify-content:center}
  .nav-menu,.nav-secondary{grid-template-columns:1fr}
  .nav-secondary a:first-child{grid-column:auto}
  .js .nav-menu{left:0;right:auto;width:100%}
  .toc{columns:1}
}