:root{--rak:#0b1220;--rak2:#131c2e;--rak3:#1c2740;--kertas:#f8fafc;--tinta:#0f172a;--abu:#475569;--garis:#dbe3ee;
--hijau:#22c55e;--kuning:#eab308;--biru:#3b82f6;--biru-tua:#1d4ed8;--r:6px;
--mono:"Red Hat Mono",ui-monospace,Menlo,Consolas,monospace;--teks:"Red Hat Text",system-ui,-apple-system,"Segoe UI",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--kertas);color:var(--tinta);font:17px/1.7 var(--teks);overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--biru-tua);text-underline-offset:3px}
a:hover{color:var(--biru)}
h1,h2,h3,h4{font-family:var(--mono);line-height:1.25;letter-spacing:-.01em;color:var(--tinta)}
h2{font-size:1.45rem;margin:2.4rem 0 .8rem;padding-top:.9rem;border-top:2px dashed var(--garis)}
h3{font-size:1.12rem;margin:1.7rem 0 .5rem}
p,ul,ol{margin:0 0 1rem}
code,kbd{font-family:var(--mono);font-size:.92em;background:#e8eef7;border-radius:4px;padding:.05em .35em}
/* atap / header */
.atap{background:var(--rak);border-bottom:3px solid var(--rak3)}
.atap-isi{max-width:1120px;margin:0 auto;padding:.55rem 16px;display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1.2rem}
.merek{display:inline-flex;align-items:center;gap:.55rem;color:#e2e8f0;text-decoration:none;font:700 1.15rem var(--mono);min-height:44px}
.merek b{color:var(--hijau)}
.merek-ikon{width:30px;height:30px}
.merek-ikon rect{fill:#1c2740;stroke:#64748b;stroke-width:1.2}
.merek-ikon rect.u{fill:#0f172a;stroke:#334155}
.merek-ikon .lg{fill:var(--hijau)}.merek-ikon .ly{fill:var(--kuning)}.merek-ikon .lb{fill:var(--biru)}
.jalur{display:flex;flex-wrap:wrap;gap:.3rem;margin-left:auto}
.jalur a{display:inline-flex;align-items:center;min-height:40px;padding:0 .75rem;border:1px solid #2a3753;border-radius:var(--r);
color:#cbd5e1;text-decoration:none;font:500 .88rem var(--mono);background:#0f1829}
.jalur a:hover,.jalur a[aria-current]{border-color:var(--biru);color:#fff;background:#12213f}
/* ruang utama */
.ruang{max-width:840px;margin:0 auto;padding:1.4rem 16px 3rem}
.ruang-lebar{max-width:1120px;margin:0 auto;padding:1.4rem 16px 3rem}
/* bezel panel rak */
.bezel{position:relative;background:linear-gradient(180deg,var(--rak2),var(--rak));color:#e2e8f0;border-radius:var(--r);
padding:1.6rem 1.4rem 1.3rem;border:1px solid #26324d;box-shadow:inset 0 0 0 4px #0a101c,0 10px 24px -14px rgba(11,18,32,.6)}
.bezel h1{color:#f8fafc;font-size:clamp(1.45rem,4.6vw,2.1rem);margin:.5rem 0 .7rem}
.bezel-lede{color:#cbd5e1;font-size:1.02rem;margin-bottom:1.1rem}
.sekrup{position:absolute;width:14px;height:14px}
.sekrup circle{fill:#334155;stroke:#0b1220;stroke-width:1.4}.sekrup path{stroke:#94a3b8;stroke-width:1.6}
.s-tl{top:8px;left:8px}.s-tr{top:8px;right:8px}.s-bl{bottom:8px;left:8px}.s-br{bottom:8px;right:8px}
.bezel-port{display:flex;flex-wrap:wrap;gap:.35rem;padding:0 .9rem}
.port{font:500 .76rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#94a3b8;border:1px solid #334155;
border-radius:4px;padding:.12rem .5rem;background:#0a1120}
.remah{font:500 .8rem var(--mono);color:#94a3b8;margin:.9rem 0 0;display:flex;flex-wrap:wrap;gap:.2rem .4rem;align-items:center}
.remah a{color:#93c5fd;display:inline-block;padding:.35rem 0}
.remah .pisah{color:#475569}
.lampu-deret{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.lampu{display:flex;gap:.7rem;align-items:flex-start;background:#0a1120;border:1px solid #1f2b44;border-radius:var(--r);padding:.6rem .75rem;font-size:.93rem;color:#cbd5e1}
.lampu b{font-family:var(--mono);color:#f1f5f9;margin-right:.25rem}
.bohlam{flex:0 0 12px;height:12px;border-radius:50%;margin-top:.42rem}
.lampu-g .bohlam{background:var(--hijau);box-shadow:0 0 8px var(--hijau)}
.lampu-b .bohlam{background:var(--biru);box-shadow:0 0 8px var(--biru)}
.lampu-y .bohlam{background:var(--kuning);box-shadow:0 0 8px var(--kuning);animation:kedip 1.6s steps(2) infinite}
@keyframes kedip{50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.lampu-y .bohlam{animation:none}}
@media (min-width:760px){.lampu-deret{grid-template-columns:repeat(3,1fr)}.bezel{padding:2rem 2rem 1.6rem}}
/* peringatan risiko */
.teluk-risiko{margin:1rem 0 1.6rem;border:1px solid #facc15;border-left:6px solid var(--kuning);background:#fffbeb;border-radius:var(--r);padding:.85rem 1rem;font-size:.93rem}
.teluk-risiko p{margin:0}
/* isi artikel */
.bingkai{margin:1.6rem 0;background:#fff;border:1px solid var(--garis);border-radius:var(--r);padding:.5rem}
.bingkai img{border-radius:4px;width:100%}
.bingkai figcaption{font-size:.86rem;color:var(--abu);padding:.5rem .3rem .2rem}
.meta-tgl{font:500 .82rem var(--mono);color:var(--abu);margin:-.6rem 0 1.2rem}
.tabel-geser{overflow-x:auto;margin:1rem 0 1.4rem;border:1px solid var(--garis);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{padding:.6rem .7rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--garis)}
th{font:600 .84rem var(--mono);background:#eef3fa;color:#1e293b}
tr:last-child td{border-bottom:0}
.catatan{font-size:.86rem;color:var(--abu)}
.kotak-ilus{background:#0f172a;color:#e2e8f0;border-radius:var(--r);padding:1rem 1.1rem;margin:1.2rem 0;font-size:.95rem}
.kotak-ilus .label{display:inline-block;font:700 .8rem var(--mono);letter-spacing:.08em;color:#0b1220;background:var(--kuning);border-radius:4px;padding:.1rem .45rem;margin-bottom:.5rem}
.kotak-ilus p:last-child,.kotak-ilus ul:last-child{margin-bottom:0}
.kotak-ilus code{background:#1e293b;color:#bbf7d0}
.ceklis{list-style:none;padding:0}
.ceklis li{position:relative;padding-left:1.9rem;margin-bottom:.55rem}
.ceklis li::before{content:"";position:absolute;left:.2rem;top:.45rem;width:14px;height:14px;border:2px solid var(--biru);border-radius:3px}
.bendera{list-style:none;padding:0;counter-reset:b}
.bendera li{counter-increment:b;position:relative;padding:.7rem .9rem .7rem 3.1rem;margin-bottom:.6rem;background:#fff;border:1px solid var(--garis);border-radius:var(--r)}
.bendera li::before{content:counter(b,decimal-leading-zero);position:absolute;left:.8rem;top:.72rem;font:700 .9rem var(--mono);color:var(--kuning);background:var(--rak);border-radius:4px;padding:0 .3rem}
.langkah{padding-left:1.3rem}
.langkah li{margin-bottom:.5rem;padding-left:.2rem}
.sambung{margin:2rem 0 0;background:#eef4ff;border:1px solid #c7d7f5;border-radius:var(--r);padding:1rem 1.1rem}
.sambung p{margin:0 0 .4rem;font:600 .88rem var(--mono)}
.sambung ul{margin:0;padding-left:1.1rem}
.sambung li{margin:.25rem 0}
.sambung a{display:inline-block;padding:.2rem 0}
/* FAQ */
.blok-tanya h2{margin-bottom:.9rem}
.tanya{border:1px solid var(--garis);border-radius:var(--r);background:#fff;margin-bottom:.55rem}
.tanya summary{cursor:pointer;padding:.75rem 1rem;font-weight:600;list-style:none;position:relative;padding-right:2.4rem;min-height:44px}
.tanya summary::-webkit-details-marker{display:none}
.tanya summary::after{content:"+";position:absolute;right:1rem;top:.6rem;font:700 1.1rem var(--mono);color:var(--biru)}
.tanya[open] summary::after{content:"–"}
.jawab{padding:0 1rem .4rem}
/* alat hitung */
.alat{background:var(--rak);color:#e2e8f0;border-radius:var(--r);padding:1.1rem;margin:1.4rem 0;border:1px solid #26324d}
.alat-kepala{font:700 .95rem var(--mono);color:#fff;margin:0 0 .8rem}
.alat-grid{display:grid;gap:.7rem}
@media (min-width:600px){.alat-grid{grid-template-columns:1fr 1fr}}
.alat label{display:block;font-size:.86rem;color:#cbd5e1;margin-bottom:.25rem}
.alat input{width:100%;min-height:44px;font:500 1rem var(--mono);color:#f8fafc;background:#0a1120;border:1px solid #334155;border-radius:var(--r);padding:.4rem .6rem}
.alat input:focus{outline:2px solid var(--biru);outline-offset:1px}
.alat-hasil{margin-top:.9rem;background:#0a1120;border:1px dashed #334155;border-radius:var(--r);padding:.7rem .85rem;font:500 .92rem var(--mono);color:#bbf7d0}
.alat-hasil p{margin:.2rem 0}
.alat .catatan{color:#94a3b8;margin:.6rem 0 0}
.tombol{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 1.1rem;background:var(--biru);color:#fff;border-radius:var(--r);
text-decoration:none;font:600 .92rem var(--mono);border:0}
.tombol:hover{background:var(--biru-tua);color:#fff}
/* beranda: lemari server */
.lemari{background:var(--rak);border-radius:10px;padding:14px;border:1px solid #26324d;box-shadow:0 18px 36px -24px rgba(11,18,32,.8)}
.lemari-atas{position:relative;border:1px solid #26324d;border-radius:var(--r);padding:1.5rem 1.3rem 1.2rem;background:linear-gradient(135deg,#131c2e,#0b1220);color:#e2e8f0}
.lemari-atas h1{color:#fff;font-size:clamp(1.5rem,5vw,2.4rem);margin:.4rem 0 .7rem}
.lemari-atas p{color:#cbd5e1}
.rel-u{font:500 .8rem var(--mono);color:#64748b;letter-spacing:.1em}
.unit{position:relative;display:grid;gap:.9rem;margin-top:12px;background:linear-gradient(180deg,#162036,#0f1829);border:1px solid #26324d;border-radius:var(--r);padding:1.2rem 1.2rem 1.1rem 1.2rem;color:#dbe4f0}
.unit::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:repeating-linear-gradient(90deg,#1f2b44 0 10px,#0b1220 10px 14px);border-radius:var(--r) var(--r) 0 0}
.unit h2{color:#fff;border:0;margin:.2rem 0 .3rem;padding:0;font-size:1.25rem}
.unit p{color:#cbd5e1;margin:0 0 .6rem;font-size:.97rem}
.unit-no{font:700 .78rem var(--mono);color:var(--kuning)}
.unit-lampu{display:flex;flex-wrap:wrap;gap:.4rem .9rem;list-style:none;padding:0;margin:.2rem 0 .8rem;font:500 .8rem var(--mono);color:#94a3b8}
.unit-lampu li{display:flex;align-items:center;gap:.4rem}
.unit-lampu i{width:9px;height:9px;border-radius:50%;display:inline-block}
.i-g{background:var(--hijau);box-shadow:0 0 6px var(--hijau)}.i-y{background:var(--kuning);box-shadow:0 0 6px var(--kuning)}.i-b{background:var(--biru);box-shadow:0 0 6px var(--biru)}
.unit-soket{display:flex;flex-wrap:wrap;gap:.35rem}
.unit-soket a{font:500 .8rem var(--mono);color:#bfdbfe;border:1px solid #334155;border-radius:4px;padding:.45rem .6rem;text-decoration:none;min-height:36px;display:inline-flex;align-items:center}
.unit-soket a:hover{border-color:var(--biru);color:#fff}
@media (min-width:860px){.unit{grid-template-columns:1.4fr 1fr;align-items:start}}
.unit-img img{border-radius:4px;border:1px solid #26324d}
.papan{display:grid;gap:1.2rem;margin-top:2.2rem}
@media (min-width:860px){.papan{grid-template-columns:1fr 1fr}}
.papan-sel{background:#fff;border:1px solid var(--garis);border-radius:var(--r);padding:1.1rem 1.2rem}
.papan-sel h2{border:0;padding:0;margin:.2rem 0 .7rem;font-size:1.2rem}
.patch{list-style:none;padding:0;margin:0}
.patch li{display:grid;grid-template-columns:auto 1fr;gap:.6rem;align-items:start;padding:.55rem 0;border-bottom:1px dashed var(--garis)}
.patch li:last-child{border-bottom:0}
.patch .kabel{font:700 .8rem var(--mono);color:#fff;background:var(--biru);border-radius:4px;padding:.15rem .4rem;margin-top:.2rem}
.konsol{background:#050a14;color:#86efac;font:500 .88rem/1.6 var(--mono);border-radius:var(--r);padding:1rem 1.1rem;margin:0}
.konsol p{margin:0 0 .35rem}
.konsol .redup{color:#64748b}
/* legal */
.tabel-dua td:first-child{font-weight:600;width:38%}
.qa dt{font:700 1rem var(--mono);margin-top:1.1rem}
.qa dd{margin:.35rem 0 0}
/* footer */
.lantai{background:var(--rak);color:#94a3b8;margin-top:2rem;border-top:4px solid var(--rak3)}
.lantai-isi{max-width:1120px;margin:0 auto;padding:1.8rem 16px 1rem;display:grid;gap:1.2rem}
@media (min-width:760px){.lantai-isi{grid-template-columns:1fr 1.3fr 1fr}}
.lantai-judul{font:700 .82rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#e2e8f0;margin:0 0 .4rem}
.lantai ul{list-style:none;padding:0;margin:0}
.lantai li a{display:inline-block;padding:.4rem 0;color:#cbd5e1;text-decoration:none;font-size:.93rem}
.lantai li a:hover{color:#fff;text-decoration:underline}
.lantai-surel{font-size:.9rem;margin-top:.6rem}
.lantai-surel a{color:#93c5fd;display:inline-block;padding:.3rem 0}
.lantai-bawah{max-width:1120px;margin:0 auto;padding:.8rem 16px 1.6rem;font-size:.82rem;border-top:1px solid #1f2b44}
.kode-404{font:700 4rem var(--mono);color:var(--kuning);margin:0}