:root{--black:#08090a;--bg:#0d0e10;--surface:#141518;--surface-alt:#1a1c20;--border:#292c31;--border-light:#34383f;--orange:#e25303;--orange-hover:#f4610a;--orange-soft:rgba(226,83,3,.12);--orange-border:rgba(226,83,3,.35);--text:#f1ece1;--text2:#a8abb2;--muted:#70747c;--danger:#dc4c4c;color-scheme:dark}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;color:var(--text);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:-.005em;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 82% -5%,rgba(226,83,3,.14),transparent 30%),linear-gradient(180deg,var(--bg),var(--black))}
a{color:var(--orange);transition:color .16s}a:hover{color:var(--orange-hover)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--orange-border);outline-offset:3px}
.wrap{width:min(1000px,calc(100% - 36px));margin:0 auto}
.accent{color:var(--orange)}.muted{color:var(--muted)}.mono{font-family:ui-monospace,Consolas,monospace;font-size:.85rem;overflow-wrap:anywhere}.bad{color:var(--danger)}
.nav{position:sticky;top:0;z-index:10;background:rgba(8,9,10,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.04em;color:var(--text);text-decoration:none}.brand b{color:var(--orange)}
.nav nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav nav a{color:var(--text2);text-decoration:none;font-size:.9rem;padding:6px 10px;border-radius:8px}.nav nav a:hover{color:var(--text);background:var(--surface)}
.nav nav .ma-link{color:var(--orange);border:1px solid var(--orange-border);background:var(--orange-soft);font-weight:650}
.page{flex:1;padding:48px 0 32px}
.hero{text-align:center;padding:20px 0 34px}.hero.small{padding-bottom:20px}
.eyebrow{display:inline-flex;align-items:center;gap:.65rem;margin:0;color:var(--orange);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--orange)}
h1{font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.02;letter-spacing:-.055em;font-weight:800;margin:.4rem 0 1.2rem}
h2{font-size:1.5rem;letter-spacing:-.03em;margin:2rem 0 .5rem}h3{font-size:1.05rem;margin:1.2rem 0 .2rem}
.lead{color:var(--text2);max-width:620px;margin:0 auto 1.6rem}
.ipcard{background:linear-gradient(145deg,var(--orange-soft),var(--surface) 62%);border:1px solid var(--orange-border);border-radius:14px;padding:38px 20px;box-shadow:0 25px 80px rgba(0,0,0,.35)}
.label{color:var(--muted);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase}
.ip{font-weight:800;font-size:clamp(1.5rem,5.5vw,3.4rem);overflow-wrap:anywhere;letter-spacing:-.04em;margin:10px 0 20px;color:var(--text)}
.btn,button.btn{cursor:pointer;background:var(--orange);color:#fff;border:1px solid var(--orange);border-radius:8px;padding:11px 22px;font:inherit;font-weight:650;letter-spacing:.01em}
.btn:hover{background:var(--orange-hover);border-color:var(--orange-hover)}
.note{font-size:.85rem;color:var(--muted);margin-top:16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px;min-width:0}
.item .value{font-weight:650;overflow-wrap:anywhere;margin-top:4px}.item .value.small{font-size:.8rem;font-weight:500;color:var(--text2)}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:8px 0 10px}
.tool{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;text-decoration:none;color:var(--text);transition:transform .2s,border-color .2s}
.tool:hover{transform:translateY(-3px);border-color:var(--orange-border);color:var(--text)}.tool b{color:var(--orange)}.tool span{color:var(--text2);font-size:.9rem}
.prose{max-width:760px;margin:36px auto 0}.prose p,.prose li{color:var(--text2)}.prose h1{font-size:2.4rem}
code{font-family:ui-monospace,Consolas,monospace;color:var(--orange);background:var(--surface-alt);padding:2px 7px;border-radius:5px;font-size:.9em}
pre{background:var(--black);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;color:var(--text);font-size:.88rem}
.cta{margin-top:2.2rem;padding:26px;border:1px solid var(--orange-border);border-radius:10px;background:radial-gradient(circle at top,var(--orange-soft),transparent 60%),var(--surface);display:flex;flex-direction:column;gap:6px}.cta span{color:var(--text2)}
.dnsform{display:flex;gap:10px;max-width:680px;margin:0 auto}
.dnsform input,.dnsform select{background:var(--black);border:1px solid var(--border-light);color:var(--text);border-radius:8px;padding:11px 14px;font:inherit;min-width:0}
.dnsform input{flex:1}.dnsform input:focus,.dnsform select:focus{border-color:var(--orange);outline:0;box-shadow:0 0 0 .2rem var(--orange-soft)}
.alert{max-width:680px;margin:14px auto;padding:12px 16px;border:1px solid var(--danger);border-radius:8px;color:var(--danger)}
.res-h{text-align:center}.resolvers{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin:0 0 14px;min-width:0}
.card-h{display:flex;justify-content:space-between;align-items:baseline}.card h2,.card h3{margin:0 0 8px;font-size:1rem}
.scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;color:var(--muted);font-weight:600;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
th,td{padding:7px 10px 7px 0;border-bottom:1px solid var(--border);vertical-align:top}
.foot{border-top:1px solid var(--border);background:var(--black);padding:28px 0;color:var(--muted);font-size:.85rem}
.sponsor{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:14px}.sponsor p{margin:0;flex:1;min-width:240px;color:var(--text2)}
.sponsor img{display:block;height:34px;width:auto}
.foot-links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:10px}.foot-links a{color:var(--text2);text-decoration:none}.foot-links a:hover{color:var(--orange)}
.copy{margin:0}
@media(max-width:700px){.grid,.tools{grid-template-columns:1fr}.dnsform{flex-wrap:wrap}.dnsform input{flex-basis:100%}.nav nav a{padding:5px 8px}.page{padding-top:30px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.guide ol,.guide ul{padding-left:1.3rem}.guide li{margin:.3rem 0}.guide h1{font-size:clamp(1.9rem,4.5vw,2.8rem)}
.lead-l{font-size:1.1rem;color:var(--text)!important}.crumbs{font-size:.8rem;color:var(--muted)!important}.crumbs a{text-decoration:none}
.prose table{margin:12px 0}.prose sup{font-size:.7em}
ul.related{list-style:none;padding:0!important;display:grid;gap:8px}ul.related li{margin:0}
ul.related a{display:block;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--text)}
ul.related a:hover{border-color:var(--orange-border);color:var(--orange)}
.foot-links.guides{border-top:1px solid var(--border);padding-top:12px;font-size:.8rem}
.netcard{margin:0 0 18px;padding:18px 22px;border-radius:10px;border:1px solid var(--border);background:var(--surface);text-align:left}
.netcard p{margin:.5rem 0 0;color:var(--text2);font-size:.92rem}.netcard p:first-of-type{margin-top:.6rem}
.net-h{display:flex;align-items:center;gap:10px;font-size:1.05rem}.net-h .dot{width:11px;height:11px;border-radius:50%;flex:0 0 11px}
.netcard.warn{border-color:var(--orange-border);background:linear-gradient(145deg,var(--orange-soft),var(--surface) 70%)}.netcard.warn .dot{background:var(--orange);box-shadow:0 0 0 4px var(--orange-soft)}
.netcard.ok .dot{background:#32b77a;box-shadow:0 0 0 4px rgba(50,183,122,.14)}
.dnsform{flex-direction:column;align-items:stretch;gap:12px;max-width:760px}
.df-main{display:flex;gap:10px}.df-main input{flex:1}
.df-opts{display:flex;gap:22px;flex-wrap:wrap;align-items:center;color:var(--text2);font-size:.9rem;justify-content:center}
.chk{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.chk input[type=checkbox],.modes input{accent-color:var(--orange);width:16px;height:16px}
.chk input[type=number]{width:62px;padding:5px 8px;background:var(--black);border:1px solid var(--border-light);color:var(--text);border-radius:6px;font:inherit}
.adv{background:var(--surface);border:1px solid var(--border);border-radius:10px;text-align:left}
.adv summary{cursor:pointer;padding:12px 16px;font-weight:650;color:var(--text2);list-style:none}.adv summary::before{content:"+";display:inline-block;width:1.2em;color:var(--orange);font-weight:800}.adv[open] summary::before{content:"\2212"}
.adv-in{padding:4px 16px 16px;display:grid;gap:12px}.modes{display:flex;gap:20px;flex-wrap:wrap;color:var(--text2);font-size:.92rem}.modes label{display:inline-flex;gap:7px;align-items:center;cursor:pointer}
.adv-in input[type=text]{background:var(--black);border:1px solid var(--border-light);color:var(--text);border-radius:8px;padding:11px 14px;font:inherit;width:100%}
.adv-in input[type=text]:focus{border-color:var(--orange);outline:0;box-shadow:0 0 0 .2rem var(--orange-soft)}
.summary{max-width:1000px;margin:6px 0 4px;padding:12px 18px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text2)}
.summary.ok{border-color:rgba(50,183,122,.5)}.summary.bad{border-color:rgba(220,76,76,.5)}.summary.mixed{border-color:var(--orange-border)}
.summary b{color:var(--text)}
.grp{margin:22px 0 8px;font-size:1rem}.grp small{color:var(--muted);font-weight:400}
.rows{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.rrow{display:grid;grid-template-columns:minmax(190px,1fr) 1.4fr 44px;gap:14px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.rrow:last-child{border-bottom:0}
.who{display:flex;gap:12px;align-items:center;min-width:0}.who b{display:block}.who small{display:block;color:var(--muted);font-size:.78rem}
.cc{flex:0 0 34px;height:24px;display:grid;place-items:center;border:1px solid var(--border-light);border-radius:4px;background:var(--surface-alt);color:var(--text2);font-size:.68rem;font-weight:800;letter-spacing:.04em}
.ans{min-width:0}.rec{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;padding:1px 0}.rec small{color:var(--muted);font-size:.72rem}.rec.none{color:var(--muted);font-size:.9rem}
.rec.hit .mono{color:#32b77a}.rrow.bad .rec:not(.none) .mono{color:var(--text2)}
.st{font-size:1.4rem;text-align:center;font-weight:800}.rrow.ok .st{color:#32b77a}.rrow.bad .st{color:var(--danger)}
.small-note{font-size:.8rem;margin-top:12px}
@media(max-width:700px){.df-main{flex-wrap:wrap}.df-main input{flex-basis:100%}.rrow{grid-template-columns:1fr 36px;row-gap:6px}.rrow .ans{grid-column:1/2;grid-row:2}.rrow .st{grid-row:1/3;grid-column:2}}
.wcard{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:6px 18px;margin:10px 0}
.wrow{display:grid;grid-template-columns:200px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--border)}.wrow:last-child{border-bottom:0}
.wl{color:var(--muted);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;padding-top:3px}.wv{overflow-wrap:anywhere}
.wbanner{display:flex;flex-direction:column;gap:4px;padding:16px 20px;border-radius:10px;border:1px solid var(--border);background:var(--surface);margin:12px 0}.wbanner span{color:var(--text2);font-size:.92rem}
.wbanner.bad{border-color:rgba(220,76,76,.6);background:linear-gradient(145deg,rgba(220,76,76,.12),var(--surface) 70%)}.wbanner.bad b{color:var(--danger)}
.wbanner.warn{border-color:var(--orange-border);background:linear-gradient(145deg,var(--orange-soft),var(--surface) 70%)}.wbanner.warn b{color:var(--orange)}
.wbanner.good{border-color:rgba(50,183,122,.5)}.wbanner.good b{color:#32b77a}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}.chip{padding:5px 12px;border-radius:99px;border:1px solid var(--border-light);font-size:.82rem;color:var(--text2);background:var(--surface);cursor:help}
.chip.good{border-color:rgba(50,183,122,.45);color:#32b77a}.chip.bad{border-color:rgba(220,76,76,.55);color:var(--danger)}.chip.warn{border-color:var(--orange-border);color:var(--orange)}
.stdesc{color:var(--text2);font-size:.9rem;padding-left:1.2rem}
.rawbox{margin-top:16px}.rawbox pre{margin:0 16px 16px;max-height:420px;overflow:auto;font-size:.78rem;white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:700px){.wrow{grid-template-columns:1fr;gap:2px}}
.keyform{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.keyform input[type=text]{flex:1;min-width:200px}.keyform input[type=number]{width:90px}
.keyform input{background:var(--black);border:1px solid var(--border-light);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit}
td form{margin:0}td .btn{padding:5px 12px;font-size:.8rem}