@font-face {
font-family: 'Jura';
font-style: normal;
font-weight: 400;
font-display: swap;
src: url(/fonts/jura-400-normal-cyrillic.woff2) format('woff2');
unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
font-family: 'Jura';
font-style: normal;
font-weight: 400;
font-display: swap;
src: url(/fonts/jura-400-normal-latin.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
font-family: 'Jura';
font-style: normal;
font-weight: 600;
font-display: swap;
src: url(/fonts/jura-600-normal-cyrillic.woff2) format('woff2');
unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
font-family: 'Jura';
font-style: normal;
font-weight: 600;
font-display: swap;
src: url(/fonts/jura-600-normal-latin.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
font-family: 'Source Sans 3';
font-style: normal;
font-weight: 400;
font-display: swap;
src: url(/fonts/source-sans-3-400-normal-cyrillic.woff2) format('woff2');
unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
font-family: 'Source Sans 3';
font-style: normal;
font-weight: 400;
font-display: swap;
src: url(/fonts/source-sans-3-400-normal-latin.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
font-family: 'Source Sans 3';
font-style: normal;
font-weight: 600;
font-display: swap;
src: url(/fonts/source-sans-3-600-normal-cyrillic.woff2) format('woff2');
unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
font-family: 'Source Sans 3';
font-style: normal;
font-weight: 600;
font-display: swap;
src: url(/fonts/source-sans-3-600-normal-latin.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Вес уголка. Идея: чертёж на синьке. Сечение уголка в пропорции с размерными линиями и штриховкой сечения,
рядом — основная надпись чертежа (штамп) с массой и стандартом. Jura — чертёжный шрифт, Source Sans 3 — текст. */
:root{
--paper:#fff; --ink:#14263a; --muted:#566576; --line:#dbe2ea; --tint:#f2f6fa;
--blue:#1d4f7a; --blue-2:#2a6497; --chalk:#eaf2fa; --chalk-2:rgba(234,242,250,.18);
--wrap:1200px; --pad:clamp(16px,4vw,48px);
--draft:"Jura","Source Sans 3",sans-serif; --text:"Source Sans 3",-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 18px/1.55 var(--text);font-variant-numeric:tabular-nums lining-nums}
a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--blue-2);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--blue-2)}
:focus-visible{outline:3px solid var(--blue-2);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:9}.skip:focus{left:8px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.head,main,.foot{width:min(100% - 2 * var(--pad),var(--wrap));margin-left:auto;margin-right:auto}
.head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 28px;padding:18px 0;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;font:600 21px var(--draft);text-decoration:none;letter-spacing:.02em}
.brand-l{width:20px;height:20px;border-left:5px solid var(--blue);border-bottom:5px solid var(--blue)}
.nav{display:flex;flex-wrap:wrap;gap:4px 24px}
.nav a{text-decoration:none;font-size:16.5px;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--line)}
.nav a[aria-current]{border-color:var(--blue)}
main{padding-bottom:16px}
main:focus{outline:0}
.crumbs{font-size:15px;color:var(--muted);padding-top:14px}
.crumbs a{color:var(--muted);text-decoration-color:var(--line)}
h1{font:600 clamp(32px,4.4vw,52px)/1.08 var(--draft);letter-spacing:.005em;margin:.45em 0 .4em;text-wrap:balance}
h2{font:600 clamp(22px,2.4vw,28px)/1.2 var(--draft);margin:1.8em 0 .5em}
p{margin:0 0 1em;max-width:40em;text-wrap:pretty}
.lead{font-size:clamp(18px,1.7vw,20px);line-height:1.55}
.src{font-size:15.5px;color:var(--muted)}
/* Синька */
.sheet{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:0;margin:18px 0 28px;background:var(--blue);color:var(--chalk);border:2px solid var(--blue);
background-image:linear-gradient(var(--chalk-2) 1px,transparent 1px),linear-gradient(90deg,var(--chalk-2) 1px,transparent 1px);background-size:24px 24px;background-position:-1px -1px}
.sheet-draw{padding:clamp(14px,2vw,28px);border-right:2px solid var(--chalk-2)}
.sheet-side{padding:clamp(18px,2.4vw,32px);background:rgba(13,45,74,.6);display:flex;flex-direction:column;gap:12px}
.sheet a{color:#fff;text-decoration-color:rgba(255,255,255,.5)}
.sheet .lead{color:var(--chalk);font-size:17.5px;margin:6px 0 0}
.sheet .lead strong{color:#fff}
.profile{display:block;width:100%;height:auto;max-height:440px}
.profile .grid line{stroke:var(--chalk-2);stroke-width:1}
.profile pattern line{stroke:#fff;stroke-width:1.2}
.profile .sec{fill:url(#hatch);stroke:#fff;stroke-width:2.4;stroke-linejoin:miter;transition:d .35s}
.profile .dims line{stroke:#fff;stroke-width:1}
.profile .dims text{fill:#fff;font:600 17px var(--draft)}
.ctl label{display:block;font-size:14px;font-weight:600;color:var(--chalk);margin-bottom:6px}
.sheet select,.sheet input{font:600 20px var(--draft);padding:10px 12px;min-height:52px;border:2px solid #fff;border-radius:0;background:transparent;color:#fff;width:100%}
.sheet select option,.sheet select optgroup{color:var(--ink);background:#fff}
.sheet input{max-width:160px}
.sheet select:focus-visible,.sheet input:focus-visible{outline:3px solid #fff;outline-offset:2px}
.total{font:600 clamp(40px,5vw,58px)/1 var(--draft);color:#fff;margin:10px 0 0}
.total-note{font-size:14px;color:var(--chalk);opacity:.85;margin:0}
.go{margin:0;font-weight:600}
/* Штамп */
.stamp{border-collapse:collapse;width:100%;font-size:14.5px;color:#fff;margin-top:6px}
.stamp th,.stamp td{border:1.5px solid rgba(255,255,255,.8);padding:6px 8px;text-align:left;font-weight:400;vertical-align:top}
.stamp th{font-size:12.5px;color:var(--chalk);width:1%;white-space:nowrap}
.stamp .st-name{font:600 20px var(--draft)}
.stamp .st-big{font:600 20px var(--draft)}
/* Полки */
.flanges{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 6px}
.flanges a{display:inline-flex;align-items:flex-end;gap:6px;padding:6px 10px;border:1.5px solid var(--line);text-decoration:none;font:600 15px var(--draft)}
.flanges a:hover{border-color:var(--ink)}
.fl::before{content:attr(data-l)}
.mini-l{display:inline-block;width:calc(var(--b) * .09px + 6px);height:calc(var(--b) * .09px + 6px);border-left:3px solid var(--blue);border-bottom:3px solid var(--blue)}
.flange-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,500px),1fr));gap:0 48px}
.flange h2{font-size:21px;margin-top:1.4em}
/* Таблицы */
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;font-size:16.5px}
table.narrow{max-width:560px}
thead th{font-size:14px;font-weight:600;color:var(--muted);text-align:left;padding:8px 14px 8px 0;border-bottom:2px solid var(--ink);vertical-align:bottom}
td,tbody th{padding:7px 14px 7px 0;border-bottom:1px solid var(--line);text-align:left}
tbody th{font-weight:600;font-family:var(--draft);white-space:nowrap}
.num,th.num{text-align:right;white-space:nowrap}
td:last-child,th:last-child{padding-right:0}
.strong{font-weight:700}
tr.hl th,tr.hl td{background:var(--tint);color:var(--blue)}
tbody tr:hover th,tbody tr:hover td{background:var(--tint)}
.popular{margin-top:3em;padding-top:1.2em;border-top:1px solid var(--line)}
.popular h2{font-size:16px;margin:0 0 .6em;color:var(--muted)}
.popular ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.popular a{display:inline-block;padding:6px 12px;border:1.5px solid var(--line);text-decoration:none;font:600 15px var(--draft)}
.popular a:hover{border-color:var(--ink)}
.foot{margin-top:56px;padding:24px 0 40px;border-top:2px solid var(--ink);font-size:15px;color:var(--muted)}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 22px}
.foot nav a{color:var(--muted)}
.cookie{position:fixed;left:12px;right:12px;bottom:12px;max-width:560px;display:flex;gap:14px;align-items:center;background:var(--blue);color:#fff;padding:12px 14px 12px 18px;font-size:14.5px;border:2px solid #fff;outline:2px solid var(--blue);z-index:5}
.cookie[hidden]{display:none}
.cookie p{margin:0}.cookie a{color:inherit}
.cookie button{flex:none;font:600 15px/1 var(--text);min-height:40px;padding:0 16px;border:0;background:#fff;color:var(--blue);cursor:pointer}
@media(max-width:860px){.sheet{grid-template-columns:minmax(0,1fr)}.sheet-draw{border-right:0;border-bottom:2px solid var(--chalk-2)}.profile{max-height:320px}}
@media(max-width:640px){
body{font-size:17px}
.head{display:block}
.nav{margin-top:8px}
.sheet{margin-left:calc(var(--pad) * -1);margin-right:calc(var(--pad) * -1);border-left:0;border-right:0}
.m-hide{display:none}
table{font-size:15.5px}
td,tbody th,thead th{padding-right:10px}
}