@font-face{font-family:Plex Mono;src:url(/fonts/plex-mono-500.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap;unicode-range:U+??}@font-face{font-family:Inter;src:url(/fonts/inter-var.woff2)format("woff2");font-weight:100 900;font-style:normal;font-display:swap}:root{--bg:#f6f7fb;--surface:#fff;--surface-2:#f1f4f9;--ink:#0f172a;--ink-2:#334155;--muted:#5b6577;--line:#e3e8f0;--line-2:#cdd5e1;--accent:#2d55e6;--accent-2:#6d3df0;--accent-ink:#fff;--accent-soft:#e9eeff;--ok:#157a3d;--ok-bg:#dcf7e6;--warn:#9a5300;--warn-bg:#fff1d6;--bad:#c0261b;--bad-bg:#ffe4e1;--seg-tac:#2d55e6;--seg-snr:#6d3df0;--seg-cd:#157a3d;--seg-svn:#b45309;--focus:#2d55e6;--shadow:0 1px 2px #0f172a0d, 0 12px 32px -16px #0f172a2e;--shadow-lg:0 2px 4px #0f172a0f, 0 30px 60px -24px #0f172a59;--radius:14px;--hero:radial-gradient(1200px 500px at 85% -10%, #6d3df08c, transparent 60%), radial-gradient(900px 500px at 0% 0%, #2d55e699, transparent 60%), linear-gradient(160deg, #0a1030 0%, #111a4a 55%, #172267 100%);--mono:"Plex Mono", ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;--sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#090d1c;--surface:#10162b;--surface-2:#161e38;--ink:#e9edf7;--ink-2:#c8d0e0;--muted:#98a3b8;--line:#222c47;--line-2:#33405f;--accent:#84a0ff;--accent-2:#a98bff;--accent-ink:#0a1030;--accent-soft:#1a2550;--ok:#5fd892;--ok-bg:#0f2d1d;--warn:#f5c060;--warn-bg:#30230b;--bad:#ff8f85;--bad-bg:#3a1513;--seg-tac:#84a0ff;--seg-snr:#b9a0ff;--seg-cd:#5fd892;--seg-svn:#f5b263;--focus:#84a0ff;--shadow:0 1px 2px #0000004d, 0 12px 32px -16px #000000b3;--shadow-lg:0 2px 4px #00000059, 0 30px 60px -24px #000c;color-scheme:dark}}:root[data-theme=dark]{--bg:#090d1c;--surface:#10162b;--surface-2:#161e38;--ink:#e9edf7;--ink-2:#c8d0e0;--muted:#98a3b8;--line:#222c47;--line-2:#33405f;--accent:#84a0ff;--accent-2:#a98bff;--accent-ink:#0a1030;--accent-soft:#1a2550;--ok:#5fd892;--ok-bg:#0f2d1d;--warn:#f5c060;--warn-bg:#30230b;--bad:#ff8f85;--bad-bg:#3a1513;--seg-tac:#84a0ff;--seg-snr:#b9a0ff;--seg-cd:#5fd892;--seg-svn:#f5b263;--focus:#84a0ff;--shadow:0 1px 2px #0000004d, 0 12px 32px -16px #000000b3;--shadow-lg:0 2px 4px #00000059, 0 30px 60px -24px #000c;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);font-feature-settings:"cv11", "ss01";-webkit-font-smoothing:antialiased;margin:0}img,svg{max-width:100%;display:block}a{color:var(--accent);text-underline-offset:2px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}h1,h2,h3,h4{letter-spacing:-.015em;color:var(--ink);text-wrap:balance;margin:0 0 .5em;line-height:1.2}h1{letter-spacing:-.025em;font-size:clamp(1.9rem,1.4rem + 2vw,2.7rem);font-weight:700}h2{margin-top:0;font-size:clamp(1.35rem,1.2rem + .6vw,1.7rem);font-weight:680}h3{font-size:1.1rem;font-weight:650}p{margin:0 0 1em}code,kbd,.mono{font-family:var(--mono);font-size:.94em}kbd{border:1px solid var(--line-2);background:var(--surface);border-bottom-width:2px;border-radius:5px;padding:0 .35em}hr{border:0;border-top:1px solid var(--line);margin:2rem 0}.wrap{width:min(1120px,100% - 32px);margin-inline:auto}.narrow{width:min(760px,100% - 32px);margin-inline:auto}.skip{background:var(--ink);color:var(--bg);z-index:50;padding:8px 14px;position:absolute;top:0;left:-9999px}.skip:focus{top:12px;left:12px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted)}.small{font-size:.875rem}.tnum{font-variant-numeric:tabular-nums}.site-header{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg) 88%, transparent);z-index:20;backdrop-filter:saturate(1.4)blur(8px);position:sticky;top:0}.site-header .wrap{align-items:center;gap:16px;min-height:60px;display:flex}.brand{letter-spacing:-.02em;color:var(--ink);align-items:center;gap:10px;font-size:1.06rem;font-weight:720;text-decoration:none;display:inline-flex}.brand svg{width:26px;height:26px}.nav{align-items:center;gap:4px;margin-left:auto;display:flex}.nav a{color:var(--ink-2);border-radius:7px;padding:6px 10px;font-size:.93rem;text-decoration:none}.nav a:hover{background:var(--surface-2);color:var(--ink)}.nav a[aria-current=page]{color:var(--ink);background:var(--surface-2);font-weight:600}.icon-btn{width:36px;height:36px;color:var(--ink-2);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;place-items:center;display:inline-grid}.icon-btn:hover{background:var(--surface-2);color:var(--ink)}.menu-btn{margin-left:auto;display:none}@media (width<=860px){.menu-btn{display:inline-grid}.nav{background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;padding:8px 16px 14px;display:none;position:absolute;top:60px;left:0;right:0}.nav.open{display:flex}.nav a{padding:11px 8px;font-size:1rem}.nav .icon-btn{align-self:flex-start}}.site-footer{border-top:1px solid var(--line);color:var(--muted);margin-top:72px;padding:40px 0 56px;font-size:.9rem}.site-footer .cols{grid-template-columns:1.4fr repeat(3,1fr);gap:28px;display:grid}.site-footer h2{text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);margin-bottom:10px;font-size:.8rem}.site-footer ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--ink);text-decoration:underline}.site-footer .legal{border-top:1px solid var(--line);flex-wrap:wrap;gap:8px 22px;margin-top:28px;padding-top:18px;display:flex}@media (width<=760px){.site-footer .cols{grid-template-columns:1fr 1fr}.site-footer .cols>:first-child{grid-column:1/-1}}.crumbs{color:var(--muted);flex-wrap:wrap;gap:6px;margin:22px 0 0;font-size:.85rem;display:flex}.crumbs a{color:var(--muted)}.page-head{padding:34px 0 10px}.page-head .lede{color:var(--ink-2);max-width:64ch;font-size:1.1rem}.section{padding:44px 0 0}.section>h2:first-child{margin-bottom:.7em}.kicker{text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:8px;font-size:.78rem;font-weight:650;display:block}.prose{max-width:70ch}.prose h2{margin-top:2.2rem}.prose h3{margin-top:1.6rem}.prose ul,.prose ol{margin:0 0 1em;padding-left:1.3em}.prose li{margin:.3em 0}.prose li::marker{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.pad{padding:22px}@media (width<=560px){.pad{padding:16px}}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}@media (width<=860px){.grid-3{grid-template-columns:1fr 1fr}}@media (width<=680px){.grid-2,.grid-3{grid-template-columns:1fr}}.btn{border:1px solid var(--line-2);background:var(--surface);min-height:44px;color:var(--ink);font:600 .95rem/1 var(--sans);cursor:pointer;white-space:nowrap;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:0 18px;text-decoration:none;display:inline-flex}.btn:hover{border-color:var(--ink-2)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}.btn.small{border-radius:7px;min-height:34px;padding:0 12px;font-size:.85rem}.btn.ghost{color:var(--ink-2);background:0 0;border-color:#0000}.btn.ghost:hover{background:var(--surface-2)}.btn[disabled]{opacity:.55;cursor:not-allowed}.btn svg{flex:none;width:16px;height:16px}.field{gap:6px;display:grid}.field label,.label{font-size:.92rem;font-weight:600}.input,textarea.input,select.input{border:1px solid var(--line-2);background:var(--surface);width:100%;min-height:48px;color:var(--ink);font:500 1.05rem/1.4 var(--mono);letter-spacing:.02em;border-radius:9px;padding:10px 14px}select.input{font-family:var(--sans);font-size:.98rem}textarea.input{resize:vertical;min-height:120px}.input:focus{border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb, var(--focus) 25%, transparent);outline:none}.input[aria-invalid=true]{border-color:var(--bad)}.hint{color:var(--muted);font-size:.86rem}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.badge{font:600 .78rem/1 var(--sans);border:1px solid var(--line-2);color:var(--ink-2);background:var(--surface);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:5px 9px;display:inline-flex}.badge.ok{color:var(--ok);background:var(--ok-bg);border-color:#0000}.badge.warn{color:var(--warn);background:var(--warn-bg);border-color:#0000}.badge.bad{color:var(--bad);background:var(--bad-bg);border-color:#0000}.badge.info{color:var(--accent);background:var(--accent-soft);border-color:#0000}.badge svg{width:13px;height:13px}.note{background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-size:.93rem}.note.warn{background:var(--warn-bg);border-color:#0000}.note.bad{background:var(--bad-bg);border-color:#0000}.note.ok{background:var(--ok-bg);border-color:#0000}.note>:last-child{margin-bottom:0}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:10px 14px}thead th{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--surface-2);font-size:.78rem;font-weight:650}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.tool-card{border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);color:var(--ink);grid-template-columns:36px 1fr;gap:4px 12px;padding:16px;text-decoration:none;transition:border-color .15s;display:grid}.tool-card:hover{border-color:var(--accent)}.tool-card .ic{background:var(--accent-soft);width:36px;height:36px;color:var(--accent);border-radius:9px;grid-row:span 2;place-items:center;display:grid}.tool-card .ic svg{width:19px;height:19px}.tool-card strong{font-size:.98rem}.tool-card span{color:var(--muted);font-size:.87rem;line-height:1.45}details{border-bottom:1px solid var(--line);padding:4px 0}details>summary{cursor:pointer;padding:12px 28px 12px 0;font-weight:620;list-style:none;position:relative}details>summary::-webkit-details-marker{display:none}details>summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);width:8px;height:8px;transition:transform .15s;position:absolute;top:50%;right:6px;transform:translateY(-70%)rotate(45deg)}details[open]>summary:after{transform:translateY(-30%)rotate(225deg)}details>div{color:var(--ink-2);padding:0 0 14px}.hero{padding:40px 0 8px}.hero h1{margin-bottom:.3em}.hero .lede{color:var(--ink-2);max-width:62ch;margin-bottom:22px;font-size:1.08rem}.checker{padding:20px}.checker-form{grid-template-columns:1fr auto;align-items:start;gap:10px;display:grid}.checker-form .input{letter-spacing:.04em;min-height:58px;padding:12px 44px 12px 16px;font-size:1.3rem}.checker-form textarea.input{resize:none;height:58px;min-height:58px;line-height:1.5;overflow:hidden}.checker-form .btn.primary{min-height:58px;padding:0 26px;font-size:1.02rem}.input-wrap{position:relative}.clear-btn{position:absolute;top:11px;right:8px}.checker-meta{flex-wrap:wrap;justify-content:space-between;gap:6px 16px;margin-top:10px;display:flex}.examples{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:.86rem;display:flex}.chip{font:500 .8rem/1 var(--mono);border:1px dashed var(--line-2);color:var(--ink-2);cursor:pointer;background:0 0;border-radius:7px;padding:6px 9px}.chip:hover{border-style:solid;border-color:var(--accent);color:var(--accent)}@media (width<=600px){.checker{padding:14px}.checker-form{grid-template-columns:1fr}.checker-form .input{font-size:1.15rem}.checker-form .btn.primary{width:100%}}.ruler{font-family:var(--mono);flex-wrap:wrap;align-items:flex-start;gap:6px 10px;margin-top:14px;display:flex}.seg{gap:4px;display:grid}.seg .digits{letter-spacing:.12em;color:var(--ink);border-bottom:3px solid;padding:4px 6px 6px;font-size:1.25rem;line-height:1.2}.seg .digits .ph{color:var(--line-2)}.seg .lab{font:600 .7rem/1.2 var(--sans);text-transform:uppercase;letter-spacing:.08em}.seg.tac .digits{border-color:var(--seg-tac)}.seg.tac .lab{color:var(--seg-tac)}.seg.snr .digits{border-color:var(--seg-snr)}.seg.snr .lab{color:var(--seg-snr)}.seg.cd .digits{border-color:var(--seg-cd)}.seg.cd .lab{color:var(--seg-cd)}.seg.cd.badcd .digits{border-color:var(--bad);color:var(--bad)}.seg.cd.badcd .lab{color:var(--bad)}.seg.svn .digits{border-color:var(--seg-svn)}.seg.svn .lab{color:var(--seg-svn)}@media (width<=420px){.seg .digits{letter-spacing:.08em;font-size:1.05rem}}.results{gap:16px;margin-top:18px;display:grid}.result{overflow:hidden}.result-head{border-bottom:1px solid var(--line);background:var(--surface-2);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:14px 20px;display:flex}.result-head .id{font:500 1.02rem/1.3 var(--mono);letter-spacing:.04em;word-break:break-all}.result-body{padding:20px}@media (width<=560px){.result-head{padding:12px 14px}.result-body{padding:16px 14px}}.device-title{flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-bottom:4px;display:flex}.device-title .brand-name{color:var(--muted);text-transform:none;font-size:.95rem;font-weight:600}.device-title .model-name{letter-spacing:-.02em;font-size:clamp(1.4rem,1.2rem + 1vw,1.85rem);font-weight:720;line-height:1.15}.facts{border-top:1px solid var(--line);grid-template-columns:minmax(150px,210px) 1fr;margin-top:16px;display:grid}.facts dt,.facts dd{border-bottom:1px solid var(--line);margin:0;padding:9px 0}.facts dt{color:var(--muted);padding-right:12px;font-size:.88rem}.facts dd{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 10px;font-weight:520;display:flex}.facts dd .src{font:500 .72rem/1.3 var(--sans);color:var(--muted);border:1px solid var(--line);white-space:nowrap;border-radius:5px;padding:2px 6px}.facts dd .src.calc{color:var(--ok);border-color:color-mix(in srgb, var(--ok) 35%, transparent)}.facts dd .src.inf{color:var(--warn);border-color:color-mix(in srgb, var(--warn) 40%, transparent)}@media (width<=560px){.facts{grid-template-columns:1fr}.facts dt{border-bottom:0;padding-bottom:0}}.not-checked{border:1px solid var(--line);border-radius:9px;gap:0;margin-top:18px;display:grid;overflow:hidden}.not-checked>div{border-bottom:1px solid var(--line);grid-template-columns:22px 1fr;gap:10px;padding:10px 14px;font-size:.92rem;display:grid}.not-checked>div:last-child{border-bottom:0}.not-checked svg{width:18px;height:18px;color:var(--muted);margin-top:2px}.not-checked .t{font-weight:600}.actions{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.prov{color:var(--muted);margin-top:16px;font-size:.84rem}.skeleton{background:linear-gradient(90deg, var(--surface-2), var(--line), var(--surface-2));background-size:200% 100%;border-radius:6px;height:14px;animation:1.2s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}*{scroll-behavior:auto!important;transition:none!important}}.status-line{align-items:center;gap:8px;font-weight:600;display:flex}.status-line svg{flex:none;width:18px;height:18px}.ok-ink{color:var(--ok)}.bad-ink{color:var(--bad)}.warn-ink{color:var(--warn)}.stats{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.stats>div{border-right:1px solid var(--line);padding:16px 18px}.stats>div:last-child{border-right:0}.stats .v{font:600 1.4rem/1.2 var(--sans);letter-spacing:-.02em;font-variant-numeric:tabular-nums}.stats .k{color:var(--muted);font-size:.82rem}@media (width<=760px){.stats{grid-template-columns:1fr 1fr}.stats>div:nth-child(2){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}.scope{grid-template-columns:1fr 1fr;gap:16px;display:grid}.scope ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.scope li{grid-template-columns:20px 1fr;gap:10px;font-size:.95rem;display:grid}.scope li svg{width:18px;height:18px;margin-top:3px}@media (width<=680px){.scope{grid-template-columns:1fr}}.anatomy{font-family:var(--mono)}.luhn{font-family:var(--mono);text-align:center;grid-template-columns:repeat(auto-fit,minmax(30px,1fr));gap:4px;display:grid}.luhn>div{border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:6px 2px;font-size:.85rem}.luhn .d{font-size:1.05rem}.luhn .x{color:var(--seg-snr)}.luhn .dbl{background:var(--accent-soft);border-color:#0000}.ad-slot{place-items:center;min-height:280px;margin:32px auto;display:grid}@media print{.site-header,.site-footer,.no-print,.checker-form,.checker-meta,.actions,.crumbs,.ad-slot,.page-extra{display:none!important}body{color:#000;background:#fff}.card{box-shadow:none;border-color:#bbb}.result{break-inside:avoid}}h1{letter-spacing:-.035em;font-weight:800}h2{letter-spacing:-.025em;font-weight:750}.btn{border-radius:11px;transition:transform .12s,box-shadow .12s,filter .12s}.btn.primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;box-shadow:0 8px 20px -8px color-mix(in srgb, var(--accent) 70%, transparent);border:0}.btn.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}:root[data-theme=dark] .btn.primary{color:#0a1030}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .btn.primary{color:#0a1030}}.card{border-radius:var(--radius)}.tool-card{border-radius:var(--radius);transition:border-color .15s,transform .15s,box-shadow .15s}.tool-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.tool-card .ic{background:linear-gradient(135deg, var(--accent-soft), color-mix(in srgb, var(--accent-2) 14%, var(--surface)));border-radius:11px}.site-header{background:color-mix(in srgb, var(--surface) 85%, transparent)}.link-btn{color:var(--accent);font:600 .82rem/1 var(--sans);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:4px 2px;display:inline-flex}.link-btn svg{width:15px;height:15px}.hero-band{background:var(--hero);color:#fff;padding:56px 0 120px;position:relative;overflow:hidden}.hero-band:before{content:"";pointer-events:none;background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:44px 44px;position:absolute;inset:0;mask-image:linear-gradient(#000 30%,#0000 95%)}.hero-grid{grid-template-columns:1.3fr .7fr;align-items:center;gap:40px;display:grid;position:relative}.hero-band h1{color:#fff;margin-bottom:14px;font-size:clamp(2.2rem,1.5rem + 3vw,3.6rem)}.hero-band h1 .grad{background:linear-gradient(90deg,#a9bdff,#d9c4ff);color:#0000;-webkit-background-clip:text;background-clip:text}.hero-band .lede{color:#ffffffd6;max-width:56ch;margin-bottom:22px;font-size:1.15rem}.hero-pills{flex-wrap:wrap;gap:8px;display:flex}.hero-pills span{color:#fff;background:#ffffff17;border:1px solid #ffffff29;border-radius:999px;align-items:center;gap:7px;padding:7px 12px;font-size:.86rem;display:inline-flex}.hero-pills svg{color:#8ff0b6;width:15px;height:15px}.hero-phone{aspect-ratio:9/18.5;background:linear-gradient(160deg,#1d2754,#0c1233);border:1px solid #ffffff2e;border-radius:38px;flex-direction:column;justify-self:center;gap:12px;width:230px;padding:50px 20px 24px;display:flex;position:relative;transform:rotate(3deg);box-shadow:0 40px 80px -30px #000000b3,inset 0 0 0 6px #070b22}.hero-phone:before{content:"";background:#070b22;border-radius:12px;width:70px;height:18px;margin-left:-35px;position:absolute;top:16px;left:50%}.hero-phone .ph-label{text-transform:uppercase;letter-spacing:.12em;color:#fff9;text-align:center;font-size:.7rem}.hero-phone .ph-code{font:600 1.6rem/1 var(--mono);text-align:center;letter-spacing:.08em;color:#fff}.hero-phone .ph-card{color:#ffffffb8;background:#ffffff14;border:1px solid #ffffff1f;border-radius:14px;padding:10px 12px;font-size:.72rem}.hero-phone .ph-card b{font:500 .84rem/1.4 var(--mono);color:#fff;letter-spacing:.04em;display:block}.hero-phone .ph-ok{color:#8ff0b6;align-items:center;gap:8px;font-size:.8rem;font-weight:600;display:flex}.hero-phone .ph-ok svg{width:16px;height:16px}.hero-tool{z-index:2;margin-top:-92px;position:relative}.hero-tool .checker{box-shadow:var(--shadow-lg);border:0;padding:22px 24px 20px}@media (width<=900px){.hero-grid{grid-template-columns:1fr}.hero-phone{display:none}.hero-band{padding:40px 0 110px}}@media (width<=600px){.hero-tool .checker{padding:16px}.hero-band .lede{font-size:1.02rem}}.checker-form .input{background:var(--surface-2);border-width:1.5px;border-radius:12px}.checker-form .input:focus{background:var(--surface)}.checker-form .btn.primary{border-radius:12px;padding:0 30px;font-size:1.05rem}.result{border:1px solid var(--line);overflow:hidden}.verdict{grid-template-columns:56px 1fr;align-items:start;gap:18px;padding:24px;display:grid}.result.tone-ok .verdict{background:linear-gradient(180deg, color-mix(in srgb, var(--ok-bg) 55%, var(--surface)), var(--surface))}.result.tone-bad .verdict{background:linear-gradient(180deg, color-mix(in srgb, var(--bad-bg) 60%, var(--surface)), var(--surface))}.result.tone-warn .verdict{background:linear-gradient(180deg, color-mix(in srgb, var(--warn-bg) 60%, var(--surface)), var(--surface))}.v-icon{color:#fff;border-radius:16px;place-items:center;width:56px;height:56px;display:grid}.v-icon svg{stroke-width:2.4px;width:28px;height:28px}.v-icon.ok{background:linear-gradient(135deg,#22c55e,#15803d);box-shadow:0 10px 22px -10px #15803d}.v-icon.bad{background:linear-gradient(135deg,#f87171,#c0261b);box-shadow:0 10px 22px -10px #c0261b}.v-icon.warn{background:linear-gradient(135deg,#fbbf24,#b45309)}.v-icon.info{background:linear-gradient(135deg,#2d55e6,#6d3df0)}.v-top{flex-wrap:wrap;align-items:center;gap:6px 12px;margin-bottom:8px;display:flex}.v-id{font:500 .95rem/1.3 var(--mono);color:var(--ink-2);letter-spacing:.04em;word-break:break-all}.v-headline{letter-spacing:-.03em;margin:0;font-size:clamp(1.45rem,1.2rem + 1.2vw,2rem);font-weight:800;line-height:1.15}.v-headline .v-brand{color:var(--muted);font-weight:650}.v-headline .model-name{font:inherit}.v-chips{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.v-chips span{background:var(--surface);border:1px solid var(--line);color:var(--ink-2);border-radius:8px;padding:5px 10px;font-size:.82rem;font-weight:550}.v-sub{color:var(--ink-2);max-width:70ch;margin:12px 0 0}.v-sub svg{vertical-align:-2px;display:inline}.v-link{margin-top:12px;font-size:.92rem;font-weight:600;display:inline-block}@media (width<=560px){.verdict{grid-template-columns:1fr;gap:12px;padding:18px 16px}.v-icon{border-radius:13px;width:44px;height:44px}.v-icon svg{width:22px;height:22px}}.status-checks{padding:4px 24px 22px}.status-checks h3{margin:6px 0 4px;font-size:1.2rem}.sc-intro{color:var(--muted);margin-bottom:14px;font-size:.93rem}.sc-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.sc-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;flex-direction:column;gap:10px;padding:16px;display:flex}.sc-head{grid-template-columns:40px 1fr;align-items:center;gap:12px;display:grid}.sc-head strong{font-size:1rem;line-height:1.25;display:block}.sc-head span:not(.sc-ic){color:var(--muted);font-size:.8rem;display:block}.sc-ic{color:#fff;border-radius:12px;place-items:center;width:40px;height:40px;display:grid}.sc-ic svg{width:20px;height:20px}.sc-red .sc-ic{background:linear-gradient(135deg,#fb7185,#e11d48)}.sc-violet .sc-ic{background:linear-gradient(135deg,#a78bfa,#6d28d9)}.sc-blue .sc-ic{background:linear-gradient(135deg,#60a5fa,#1d4ed8)}.sc-green .sc-ic{background:linear-gradient(135deg,#34d399,#047857)}.sc-country{color:var(--muted);gap:4px;font-size:.8rem;font-weight:600;display:grid}.sc-country .input{min-height:40px;padding:6px 10px;font-size:.92rem}.sc-go{width:100%}.sc-note{color:var(--muted);margin:0;font-size:.84rem}.sc-sms{background:var(--surface-2);border-radius:10px;grid-template-columns:1fr auto;align-items:center;gap:6px 8px;padding:10px;font-size:.84rem;display:grid}.sc-sms span{color:var(--muted);grid-column:1/-1}.sc-sms code{word-break:break-all;font-size:.85rem}.steps{counter-reset:s;gap:8px;margin:0;padding-left:0;list-style:none;display:grid}.steps li{counter-increment:s;color:var(--ink-2);grid-template-columns:24px 1fr;gap:10px;font-size:.9rem;display:grid}.steps li:before{content:counter(s);background:var(--surface-2);border:1px solid var(--line-2);width:22px;height:22px;font:700 .75rem/20px var(--sans);text-align:center;color:var(--ink);border-radius:50%}@media (width<=760px){.sc-grid{grid-template-columns:1fr}.status-checks{padding:4px 14px 18px}}.r-more{border-top:1px solid var(--line);padding:0 24px}.r-more details:last-child{border-bottom:0}.r-more summary{color:var(--ink-2);font-size:.95rem}.result .actions{margin-top:4px;padding:0 24px 20px}@media (width<=560px){.r-more{padding:0 14px}.result .actions{padding:0 14px 16px}}.feature-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:8px;padding:20px;display:flex}.feature .sc-ic{margin-bottom:4px}.feature h3{margin:0;font-size:1.05rem}.feature p{color:var(--muted);margin:0;font-size:.92rem}.feature .tag{letter-spacing:.04em;text-transform:uppercase;border-radius:6px;align-self:flex-start;margin-top:auto;padding:4px 8px;font-size:.72rem;font-weight:700}.tag.instant{background:var(--ok-bg);color:var(--ok)}.tag.official{background:var(--accent-soft);color:var(--accent)}@media (width<=960px){.feature-grid{grid-template-columns:1fr 1fr}}@media (width<=560px){.feature-grid{grid-template-columns:1fr}}.how{counter-reset:how;grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.how>div{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);padding:24px 20px 20px;position:relative}.how>div:before{counter-increment:how;content:counter(how);color:#fff;width:30px;height:30px;font:800 .9rem/30px var(--sans);text-align:center;background:linear-gradient(135deg,#2d55e6,#6d3df0);border-radius:10px;position:absolute;top:-14px;left:18px}.how h3{margin:6px 0 4px;font-size:1.02rem}.how p{color:var(--muted);margin:0;font-size:.92rem}@media (width<=760px){.how{grid-template-columns:1fr;gap:22px}}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:8px 20px;margin-bottom:18px;display:flex}.section-head h2{margin:0}.section-head p{color:var(--muted);max-width:64ch;margin:6px 0 0}.country-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;display:grid}.country{background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:12px;grid-template-columns:42px 1fr;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;transition:border-color .15s,transform .15s;display:grid}.country:hover{border-color:var(--accent);transform:translateY(-1px)}.country .cc{width:42px;height:42px;font:800 .85rem/1 var(--sans);letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);border-radius:11px;place-items:center;display:grid}.country strong{font-size:.95rem;display:block}.country span:not(.cc){color:var(--muted);font-size:.8rem;display:block}.page-head{padding-top:40px}.page-band{padding:26px 0 112px}.page-band.flat{padding-bottom:44px}.page-band h1{margin:14px 0 10px;font-size:clamp(1.9rem,1.4rem + 2.2vw,2.8rem)}.page-band .lede{max-width:68ch;margin-bottom:0;font-size:1.08rem}.page-band .crumbs{color:#ffffffa6;margin:0;position:relative}.page-band .crumbs a{color:#fffc}.page-band .wrap{position:relative}.hero-tool>.card{box-shadow:var(--shadow-lg);border:0}.hero-phone{width:196px;padding-top:44px}.hero-band{padding-bottom:104px}@media (width<=600px){.checker-form .field:last-child .label{display:none}.checker-form .input{font-size:1.1rem}.hero-pills span{padding:6px 10px;font-size:.8rem}}.vreport{padding:4px 24px 22px}.vr-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:10px 20px;margin-bottom:12px;display:flex}.vr-head h3{margin:6px 0 0;font-size:1.2rem}.vr-source{color:var(--muted);font-size:.73rem}.vr-stamp{color:var(--muted);font-size:.75rem}.vr-field-stamp{color:var(--muted);margin-top:3px;font-size:.7rem;display:block}.vr-progress{margin:4px 0 16px}.vr-progress-top{color:var(--muted);justify-content:space-between;margin-bottom:7px;font-size:.8rem;display:flex}.vr-progress-track{background:var(--surface-2);border:1px solid var(--line);border-radius:99px;height:8px;overflow:hidden}.vr-progress-fill{border-radius:inherit;background:linear-gradient(90deg, var(--accent), #a78bfa);min-width:2px;height:100%;transition:width .35s}.is-indeterminate .vr-progress-fill{width:28%;animation:1.3s ease-in-out infinite check-progress}.vr-extra{color:var(--muted);margin-top:10px;font-size:.8rem}.vr-extra>summary{cursor:pointer;padding:5px 0}.vr-sources{margin:8px 0;padding-left:20px;line-height:1.65}@keyframes check-progress{0%{transform:translate(-110%)}to{transform:translate(400%)}}@media (prefers-reduced-motion:reduce){.is-indeterminate .vr-progress-fill{opacity:.45;width:100%;animation:none}.vr-progress-fill{transition:none}}.vr-legend{color:var(--muted);flex-wrap:wrap;gap:6px 14px;font-size:.78rem;display:flex}.vr-legend span{align-items:center;gap:6px;display:inline-flex}.vr-dot{border:2px solid var(--line-2);border-radius:50%;width:10px;height:10px;display:inline-block}.vr-dot.good{background:var(--ok);border-color:var(--ok)}.vr-dot.user{background:var(--accent-soft);border-color:var(--accent)}.vr-online{border:1px dashed var(--line-2);background:var(--surface-2);border-radius:12px;margin-bottom:12px;padding:12px 14px}.vr-online-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;display:flex}.vr-online-row .sc-note{margin-top:2px}.vr-online .sc-note svg{vertical-align:-2px;margin-right:4px;display:inline}.vr-captcha{min-height:65px;margin-top:10px}.vr-list{border:1px solid var(--line);border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.vr-row{border-bottom:1px solid var(--line);background:var(--surface)}.vr-row:last-child{border-bottom:0}.vr-main{grid-template-columns:36px 1fr auto;align-items:center;gap:4px 12px;padding:12px 14px;display:grid}.vr-ic{background:var(--surface-2);width:36px;height:36px;color:var(--ink-2);border-radius:10px;place-items:center;display:grid}.vr-ic svg{width:18px;height:18px}.vr-text{gap:1px;min-width:0;display:grid}.vr-text strong{font-size:.95rem}.vr-q{color:var(--muted);font-size:.82rem}.vr-sub{color:var(--muted);margin-top:2px;font-size:.78rem}.vr-pill{font:650 .8rem/1.2 var(--sans);white-space:nowrap;border:1px solid var(--line-2);color:var(--muted);background:var(--surface);text-overflow:ellipsis;border-radius:999px;max-width:260px;padding:6px 10px;overflow:hidden}.vr-pill-good{background:var(--ok-bg);color:var(--ok);border-color:#0000}.vr-pill-bad{background:var(--bad-bg);color:var(--bad);border-color:#0000}.vr-pill-neutral{background:var(--surface-2);color:var(--ink-2)}.vr-pill-user{background:var(--accent-soft);color:var(--accent);border-color:color-mix(in srgb, var(--accent) 40%, transparent)}.vr-pill-warn{background:var(--warn-bg);color:var(--warn);border-color:#0000}.vr-good .vr-ic{background:var(--ok-bg);color:var(--ok)}.vr-bad .vr-ic{background:var(--bad-bg);color:var(--bad)}.vr-user .vr-ic{background:var(--accent-soft);color:var(--accent)}.vr-panel{gap:10px;padding:4px 14px 16px 62px;display:grid}.vr-official{gap:8px;max-width:520px;display:grid}.vr-record{border:0;margin:6px 0 0;padding:0}.vr-record legend{margin-bottom:6px;font-size:.88rem;font-weight:650}.vr-chosen{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}@media (width<=680px){.vreport{padding:4px 14px 18px}.vr-main{grid-template-columns:32px 1fr auto}.vr-ic{width:32px;height:32px}.vr-pill{white-space:normal;grid-column:2/3;justify-self:start;max-width:100%}.vr-toggle{grid-area:1/3/span 2}.vr-panel{padding:4px 14px 16px}}