*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}body{background:var(--ground);color:var(--text);font:400 17px/1.55 var(--font-body);font-variant-numeric:tabular-nums;margin:0}img,svg,video,canvas{max-width:100%}a{color:var(--teal-link);text-underline-offset:2px}a:hover{color:var(--text)}:focus-visible{outline:3px solid var(--teal);outline-offset:2px}h1,h2,h3{font-family:var(--font-head);letter-spacing:-.02em;text-wrap:balance;margin:0;line-height:1.1}[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{letter-spacing:0;line-height:1.3}p{margin:0}.mono{font-family:var(--font-mono)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}[hidden]{display:none!important}.skip{inset-inline-start:8px;z-index:10;background:var(--surface);border-radius:8px;padding:10px 14px;position:absolute;top:-60px}.skip:focus{top:8px}.wrap{max-width:1200px;margin-inline:auto;padding-inline:24px}@media (width<=720px){.wrap{padding-inline:16px}}.site-header{background:var(--ink);color:var(--ink-text)}.site-header .wrap{align-items:center;gap:28px;height:68px;display:flex}.logo{color:#fff;font:700 22px var(--font-head);letter-spacing:-.02em;flex:none;align-items:center;gap:10px;text-decoration:none;display:flex}.logo:hover{color:#fff}.main-nav{flex:auto;gap:4px;font-size:15px;font-weight:500;display:flex}.main-nav a{color:var(--ink-text);padding:10px 12px;text-decoration:none}.main-nav a:hover,.main-nav a[aria-current=page]{color:#fff;box-shadow:inset 0 -2px 0 var(--teal-light)}.header-badge{color:var(--ink-muted);align-items:center;gap:8px;font-size:13px;display:flex}.lang-switch{border:1px solid var(--ink-border);color:#fff;border-radius:8px;flex:none;padding:8px 14px;font-size:15px;font-weight:600;text-decoration:none}.lang-switch:hover{color:#fff;border-color:var(--teal-light)}.menu{margin-inline-start:auto;display:none}.menu>summary{border:1px solid var(--ink-border);cursor:pointer;border-radius:10px;place-items:center;width:44px;height:44px;list-style:none;display:grid}.menu>summary::-webkit-details-marker{display:none}.menu-panel{inset-inline:0;z-index:5;background:var(--ink);border-top:1px solid var(--ink-border-2);gap:2px;padding:8px 16px 16px;display:grid;position:absolute;top:58px}.menu-panel a{color:var(--ink-text);border-bottom:1px solid var(--ink-border-2);padding:12px 4px;font-weight:500;text-decoration:none}@media (width<=1020px){.site-header .wrap{height:58px;position:relative}.logo{font-size:19px}.main-nav,.header-badge{display:none}.menu{display:block}.site-header .lang-switch{padding:8px 10px;font-size:14px}}.crumbs{color:var(--muted);font-size:14px}.crumbs ol{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"/";color:var(--muted-2);margin-inline-end:6px}.doc-hero{background:var(--surface);border-bottom:1px solid var(--border)}.doc-hero .wrap{grid-template-columns:minmax(0,1fr) 460px;align-items:start;gap:48px;padding-block:24px 48px;display:grid}.doc-hero h1{font-size:48px;line-height:1.05}.answer-col{flex-direction:column;gap:18px;min-width:0;display:flex}.answer{color:var(--text-2);max-width:62ch;font-size:19px}@media (width<=1020px){.doc-hero .wrap{grid-template-columns:minmax(0,1fr);gap:20px;padding-block:18px 24px}.doc-hero h1{font-size:30px;line-height:1.12}.answer{font-size:16px}}.spec-chips{background:var(--border);border:1px solid var(--border);border-radius:12px;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0;display:none;overflow:hidden}.spec-chips div{background:var(--surface);min-width:0;padding:10px 12px}.spec-chips dt{color:var(--muted);font-size:12px}.spec-chips dd{overflow-wrap:anywhere;margin:0;font-size:15px;font-weight:600}.spec-chips dd.mono{font-family:var(--font-mono)}@media (width<=1020px){.spec-chips{display:grid}.doc-hero .answer-col{display:contents}.doc-hero .crumbs{order:1}.doc-hero h1{order:2}.doc-hero .spec-chips{order:3}.doc-hero .tool-card{order:4}.doc-hero .answer{order:5}.doc-hero .spec-table{order:6}.doc-hero .checked-line{order:7}}.spec-table{border-collapse:separate;border-spacing:0;border:1px solid var(--border);background:var(--surface);border-radius:12px;width:100%;font-size:16px;overflow:hidden}.spec-table th,.spec-table td{text-align:start;vertical-align:top;padding:12px 16px}.spec-table tr+tr>*{border-top:1px solid var(--border)}.spec-table th{background:var(--ground);width:38%;font-weight:600}.spec-table td.mono{font-family:var(--font-mono);font-size:15px}.spec-table .note{font-family:var(--font-body);color:var(--muted);margin-top:4px;font-size:13px;display:block}@media (width<=720px){.spec-table{font-size:15px}.spec-table th,.spec-table td{padding:10px 12px}}.checked-line{color:var(--text-2);flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:14px;display:flex}.badge-checked{background:var(--pass-bg);color:var(--pass);border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-weight:600;display:inline-flex}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-hero);box-shadow:0 1px 2px #0f1b260a, var(--shadow-hero);min-width:0;overflow:hidden}.tool-bar{background:var(--ink);color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;display:flex}.tool-bar strong{font-family:var(--font-head);font-weight:700}.tool-step{font:500 12px var(--font-mono);color:var(--teal-light);white-space:nowrap}.tool-body{flex-direction:column;gap:16px;padding:20px;display:flex}.tool-field{grid-template-columns:minmax(0,1fr);gap:6px;font-size:14px;font-weight:600;display:grid}.tool-field select{width:100%;font:inherit;border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);border-radius:10px;padding:8px 10px;font-weight:500}.drop{background:var(--ground);text-align:center;border:2px dashed #b9c6d0;border-radius:14px;flex-direction:column;align-items:center;gap:12px;padding:24px;display:flex}.drop.is-over{border-color:var(--teal);background:var(--pass-bg)}.drop-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.btn{border-radius:var(--r-btn);min-height:50px;font:700 16px var(--font-body);cursor:pointer;border:1.5px solid var(--text);background:var(--surface);color:var(--text);justify-content:center;align-items:center;gap:10px;padding:0 22px;text-decoration:none;display:inline-flex}.btn-primary{border-color:var(--teal);background:var(--teal);color:#fff}.btn-primary:hover{color:#fff;filter:brightness(1.08)}.btn-small{min-height:44px;padding:0 14px;font-size:15px}.capture-tip{max-width:44ch;color:var(--text-2);text-align:center;margin:0 auto;font-size:14px}.privacy-line{color:var(--text-2);align-items:center;gap:8px;font-size:14px;display:flex}.tool-status{color:var(--text-2);min-height:1.5em;font-size:15px}.tool-video{background:#000;border-radius:12px;width:100%;transform:scaleX(-1)}.tool-preview{border:1px solid var(--border);background:#fff;border-radius:12px;justify-content:center;padding:14px;display:flex}.tool-preview img{cursor:crosshair;touch-action:none;outline:1px solid #c9d3db;width:auto;max-height:340px;display:block}.tap-area{position:relative}.tap-area canvas{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.touch-up{color:var(--text-2);align-items:center;gap:10px;margin-top:8px;font-size:13px;display:flex}.touch-up p{flex:1;margin:0}.file-facts{font:13px var(--font-mono);color:var(--text-2);text-align:center}.checks{gap:6px;margin:0;padding:0;list-style:none;display:grid}.checks li{border-radius:10px;grid-template-columns:20px 1fr;gap:2px 8px;padding:9px 12px;font-size:15px;display:grid}.checks .pass{background:var(--pass-bg);color:var(--pass)}.checks .warn{background:var(--warn-bg);color:var(--warn)}.checks .fail{background:var(--fail-bg);color:var(--fail)}.checks small{color:var(--text-2);grid-column:2;font-size:14px}.downloads{gap:8px;display:grid}.downloads .sheet-row{flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;display:flex}.downloads .sheet-row span{color:var(--text-2);flex:140px}.downloads .print-help{color:var(--text-2);margin:0;font-size:13px}@media (width<=1020px){.tool-card{border-radius:16px}}.doc-body .wrap{grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-block:48px;display:grid}.doc-body article{flex-direction:column;gap:40px;min-width:0;display:flex}.doc-body aside{flex-direction:column;gap:16px;display:flex}.doc-body h2{font-size:28px}@media (width<=1020px){.doc-body .wrap{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:24px 40px}.doc-body h2{font-size:22px}}.stack{flex-direction:column;gap:14px;display:flex}.intro p+p{margin-top:10px}.samples{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.sample{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--fail);border-radius:12px;flex-direction:column;align-items:center;gap:8px;margin:0;padding:14px;display:flex}.sample.ok{border-top-color:var(--pass)}.sample figcaption{color:var(--fail);text-align:center;font-size:14px;font-weight:600}.sample.ok figcaption{color:var(--pass)}@media (width<=720px){.samples{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:28px}@media (width<=720px){.panel{padding:20px}}.steps{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.steps li{gap:14px;display:flex}.steps .n{font:600 16px var(--font-mono);color:var(--teal-link);flex:none}.bullets{gap:8px;margin:0;padding-inline-start:20px;display:grid}.faq details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:600}.faq details p{color:var(--text-2);margin-top:10px}.faq{flex-direction:column;gap:10px;display:flex}.side-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:10px;padding:20px;display:flex}.side-card.ink{background:var(--ink);color:var(--ink-text);border-color:var(--ink)}.side-card.ink strong{color:#fff}.side-card.ink p{color:var(--ink-muted);font-size:14px}.side-card.ink a{color:var(--teal-light);font-size:14px;font-weight:600}.sources{color:var(--text-2);gap:6px;font-size:14px;display:grid}.sources q{color:var(--muted);font-style:italic;display:block}.disclaimer{color:var(--muted);border-top:1px solid var(--border);padding-top:16px;font-size:14px}.site-footer{background:var(--ink);color:var(--ink-muted);font-size:15px}.site-footer .cols{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:56px 32px;display:grid}.site-footer .col{flex-direction:column;gap:8px;display:flex}.site-footer strong{color:#fff}.site-footer a{color:var(--ink-muted)}.site-footer a:hover{color:#fff}.site-footer .legal{border-top:1px solid var(--ink-border-2);flex-wrap:wrap;justify-content:space-between;gap:8px;padding-block:18px;font-size:13px;display:flex}@media (width<=860px){.site-footer .cols{grid-template-columns:1fr 1fr;padding-block:32px 24px}.site-footer .col:first-child{grid-column:1/-1}}.home-hero{border-bottom:1px solid var(--border);background:linear-gradient(var(--surface), var(--ground))}.home-hero .wrap{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px;padding-block:64px 56px;display:grid}.home-hero h1{font-size:60px;line-height:1.02}.eyebrow{font:500 13px var(--font-mono);color:var(--teal-link);letter-spacing:.06em}.lead{color:var(--text-2);max-width:520px;font-size:19px}.search{border:2px solid var(--text);background:var(--surface);border-radius:12px;max-width:560px;display:flex;overflow:hidden}.search input{min-width:0;height:58px;font:inherit;color:var(--text);background:0 0;border:0;flex:1;padding:0 18px;font-size:17px}.search input:focus{outline:none}.search:focus-within{outline:3px solid var(--teal);outline-offset:2px}.search button{background:var(--teal);color:#fff;font:700 16px var(--font-body);cursor:pointer;border:0;padding:0 24px}.chips{flex-wrap:wrap;gap:8px;font-size:14px;display:flex}.chips a{background:var(--surface);color:var(--text);border:1px solid #d5dee5;border-radius:999px;padding:7px 12px;text-decoration:none}.home-hero .stack{gap:22px}.plate{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-hero);box-shadow:0 1px 2px #0f1b260a, var(--shadow-hero);flex-direction:column;gap:20px;margin:0;padding:32px;display:flex}.plate-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.plate-head strong{font:700 18px var(--font-head)}.plate-head span{font:12px var(--font-mono);color:var(--muted) }.plate-body{align-items:center;gap:22px;display:flex}.plate-photo{flex:none;padding:0 0 26px 34px;position:relative}.plate-photo .dim-w,.plate-photo .dim-h{font:12px var(--font-mono);color:var(--teal-link);align-items:center;gap:6px;display:flex;position:absolute}.plate-photo .dim-w{bottom:0;left:34px;right:0}.plate-photo .dim-h{writing-mode:vertical-rl;flex-direction:column;top:0;bottom:26px;left:0;transform:rotate(180deg)}.plate-photo .line{background:var(--teal);flex:1}.plate-photo .dim-w .line{height:1px}.plate-photo .dim-h .line{width:1px}.plate-svg-bg{fill:#fff}.ticks{flex-direction:column;gap:10px;margin:0;padding:0;font-size:15px;list-style:none;display:flex}.ticks li{align-items:center;gap:8px;display:flex}.plate-foot{border-top:1px solid var(--border);color:var(--muted) ;justify-content:space-between;align-items:center;gap:12px;padding-top:16px;font-size:13px;display:flex}.plate-foot a{font-weight:700}.trust-strip{background:var(--surface);border-bottom:1px solid var(--border)}.trust-strip .wrap{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-block:22px;font-size:15px;display:grid}.trust-strip .item{align-items:flex-start;gap:12px;display:flex}.trust-strip .item span span{color:var(--muted)}.doc-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.doc-card{border:1px solid var(--border);color:var(--text);background:var(--surface);border-radius:14px;flex-direction:column;gap:10px;padding:20px;text-decoration:none;display:flex}.doc-card:hover{border-color:var(--teal);color:var(--text)}.doc-card .cc{font:12px var(--font-mono);background:var(--ground);color:var(--text-2);border-radius:6px;align-self:flex-start;padding:3px 8px}.doc-card strong{font-size:18px}.doc-card .facts{font:13px var(--font-mono);color:var(--muted)}.section{flex-direction:column;gap:24px;padding-block:64px;display:flex}.section-head{justify-content:space-between;align-items:end;gap:16px;display:flex}.section-head h2{font-size:34px}.how3{background:var(--ground);border-block:1px solid var(--border)}.how3 .wrap{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding-block:64px;display:grid}.how3 .item{flex-direction:column;gap:10px;display:flex}.how3 strong{font:700 22px var(--font-head)}.how3 .item>span:last-child{color:var(--muted)}@media (width<=1020px){.home-hero .wrap{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:32px}.home-hero h1{font-size:38px}.trust-strip .wrap,.doc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.how3 .wrap{grid-template-columns:minmax(0,1fr);padding-block:40px}.section{padding-block:40px}.section-head h2{font-size:26px}.plate{padding:20px}}@media (width<=480px){.plate-body{flex-direction:column}.search button{padding:0 16px}}.not-found .wrap{max-width:720px;padding-block:48px 64px}.not-found h1{margin-bottom:12px}.rs-group{border:0;flex-direction:column;gap:10px;margin:0;padding:0;display:flex}.rs-group legend{margin-bottom:8px;font-weight:700}.rs-chips{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.rs-label{color:var(--muted);font-size:14px}.rs-chip{border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);font:600 14px var(--font-mono);cursor:pointer;border-radius:999px;padding:0 14px}.rs-chip[aria-pressed=true]{border-color:var(--teal);background:var(--teal);color:#fff}.rs-custom,.rs-px label{align-items:center;gap:6px;font-size:14px;display:inline-flex}.rs-custom input,.rs-px input{border:1px solid var(--border);background:var(--surface);width:88px;min-height:44px;color:var(--text);font:15px var(--font-mono);border-radius:10px;padding:0 10px}.rs-px{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.rs-radio{align-items:center;gap:8px;min-height:44px;display:flex}.rs-result{flex-direction:column;gap:12px;display:flex}.rs-sizes{color:var(--text-2);justify-content:center;gap:24px;font-size:14px;display:flex}.real-size{flex-direction:column;gap:8px;margin:8px 0 0;display:flex}.real-size svg{max-width:100%;height:auto}.real-box{fill:#fff;stroke:var(--teal);stroke-width:.5px}.real-head{fill:#b9c6d0}.real-size figcaption{color:var(--muted);flex-direction:column;gap:2px;font-size:13px;display:flex}.compare{width:100%;max-width:560px}.compare-box{fill:var(--surface);stroke:var(--border);stroke-width:.6px}.compare-box.main{stroke:var(--teal);stroke-width:1px}.compare-label{font:4px var(--font-mono);fill:var(--text-2)}.spec-table.units td.mono,.spec-table.limits td.mono{white-space:nowrap}.table-scroll{overflow-x:auto}.search-note:empty{display:none}.search-note{color:var(--fail);margin:-10px 0 0;font-size:14px}.how3 .n{font:600 14px var(--font-mono);color:var(--teal-link)}.doc-hero.no-tool .wrap{grid-template-columns:minmax(0,1fr)}.doc-hero.no-tool .answer-col{max-width:760px}.nowrap{white-space:nowrap}