@font-face{font-family:'Onest';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/onest-400-cyrillic-ext.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'Onest';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/onest-400-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Onest';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/onest-400-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Onest';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/onest-400-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:'Onest';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/onest-500-cyrillic-ext.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'Onest';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/onest-500-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Onest';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/onest-500-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Onest';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/onest-500-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:'Onest';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/onest-600-cyrillic-ext.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'Onest';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/onest-600-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Onest';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/onest-600-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Onest';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/onest-600-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:'Onest';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/onest-700-cyrillic-ext.woff2') format('woff2');unicode-range:U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F}
@font-face{font-family:'Onest';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/onest-700-cyrillic.woff2') format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116}
@font-face{font-family:'Onest';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/onest-700-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Onest';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/onest-700-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}

:root{
  color-scheme: light;

  --bg:#f1f2f4; --card:#fff; --panel:#f5f7f2;
  --ink:#1a1d22; --muted:#6f7883; --line:#e8eaee;
  --accent:#5ea226; --accent-ink:#3d6d17; --accent-soft:#eef5e2;
  --accent-lt:#82c24e; --accent-dk:#437814;
  --chip:#eef0f3; --chip-ink:#5c646e;
  --info:#2f6ea8; --info-soft:#e9f1f8;
  --warn:#a07514; --warn-soft:#f8f2e2;
  --danger:#a8442f; --danger-soft:#f8ece9;

  --r:22px; --r-sm:12px; --r-pill:100px;
  --shadow:0 1px 2px rgba(24,28,34,.04),0 6px 24px rgba(24,28,34,.05);
  --font:'Onest',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono',Consolas,monospace;
  --wrap:1100px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}

[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent-ink);text-underline-offset:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;font-weight:600}
h1{font-size:clamp(26px,4vw,33px);font-weight:700;line-height:1.2}
h2{font-size:21px;margin-top:32px}
h3{font-size:17px;margin-top:24px}
p{margin:0 0 14px}
small,.muted{color:var(--muted);font-size:13px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media(min-width:720px){.wrap{padding:0 24px}}

.i{width:20px;height:20px;flex:0 0 auto;display:inline-block;vertical-align:-4px;color:currentColor}
.i-sm{width:16px;height:16px;vertical-align:-3px}
.i-lg{width:28px;height:28px;vertical-align:-6px}

.btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);color:var(--ink);font:600 15px/1 var(--font);
  cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.95)}
.btn.ghost{background:none;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--ink);background:var(--chip)}
.btn.sm{height:36px;padding:0 12px;font-size:13.5px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--chip);color:var(--chip-ink);font-size:12px;font-weight:600;white-space:nowrap}
.chip.accent{background:var(--accent-soft);color:var(--accent-ink)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}

.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field > label{font-size:13px;color:var(--muted);font-weight:500}
.control{position:relative;display:flex;align-items:center}
.control input[type=number],.control input[type=text],.control select{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);color:var(--ink);font:500 16px/1 var(--font);appearance:none;
  font-variant-numeric:tabular-nums}
.control select{padding-right:38px;cursor:pointer}
.control input:hover,.control select:hover{border-color:var(--muted)}
.control .unit{position:absolute;right:14px;color:var(--muted);font-size:13px;pointer-events:none}
.control input.has-unit{padding-right:52px}
.control .caret{position:absolute;right:12px;color:var(--muted);pointer-events:none}
.hint{font-size:12.5px;color:var(--muted)}
.field.err .control input,.field.err .control select{border-color:var(--danger)}
.field.err .hint{color:var(--danger)}

.seg{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);flex-wrap:wrap}
.seg label{flex:1 1 auto;text-align:center}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;padding:8px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;white-space:nowrap}
.seg input:checked + span{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.seg input:focus-visible + span{outline:2px solid var(--accent);outline-offset:1px}

.switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px}
.switch input{position:absolute;opacity:0}
.switch .track{width:40px;height:24px;border-radius:var(--r-pill);background:var(--chip);position:relative;transition:background .15s;flex:0 0 auto}
.switch .track::after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.2);transition:transform .15s}
.switch input:checked + .track{background:var(--accent)}
.switch input:checked + .track::after{transform:translateX(16px)}

.grid{display:grid;gap:14px}
.grid.c2{grid-template-columns:1fr 1fr}
.grid.c3{grid-template-columns:1fr 1fr 1fr}
@media(max-width:600px){.grid.c2,.grid.c3{grid-template-columns:1fr}}
.span-all{grid-column:1/-1}

details.more{border-top:1px solid var(--line);margin-top:18px;padding-top:14px}
details.more > summary{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;font-size:14.5px;color:var(--accent-ink);list-style:none}
details.more > summary::-webkit-details-marker{display:none}
details.more > summary .i{transition:transform .15s}
details.more[open] > summary .i{transform:rotate(180deg)}
details.more .grid{margin-top:14px}

.result{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.result .lead{font-size:13px;color:var(--muted);margin-bottom:2px}
.result .big{font:700 30px/1.1 var(--font);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:6px}
.result .big .u{font-size:15px;font-weight:600;color:var(--muted)}
.result .rows{margin:16px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.result .rows li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.result .rows .v{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.result .rows .sub{display:block;font-size:12px;color:var(--muted);font-weight:400}
.result .acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

.note{display:flex;gap:10px;padding:12px 14px;border-radius:var(--r-sm);font-size:13.5px;line-height:1.5}
.note .i{margin-top:2px}
.note.info{background:var(--info-soft);color:var(--info)}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.note.err{background:var(--danger-soft);color:var(--danger)}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm)}
table.table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
table.table th,table.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
table.table th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:600;white-space:nowrap}
table.table td.num,table.table th.num{text-align:right;font-variant-numeric:tabular-nums}
table.table tbody tr:nth-child(2n){background:var(--bg)}
table.table tbody tr:last-child td{border-bottom:none}

.accordion{border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:var(--card)}
.accordion-item + .accordion-item{border-top:1px solid var(--line)}
.accordion-button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:15px 16px;background:none;border:none;text-align:left;cursor:pointer;
  font:600 15px/1.4 var(--font);color:var(--ink)}
.accordion-button .i{color:var(--muted);transition:transform .15s}
.accordion-item.open .accordion-button .i{transform:rotate(180deg)}
.accordion-panel{padding:0 16px 15px;color:var(--muted);font-size:14.5px;display:none}
.accordion-item.open .accordion-panel{display:block}

.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 14px 40px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent-ink);font:600 13px/26px var(--font);text-align:center}
.steps strong{display:block;font-weight:600}
.steps p{margin:2px 0 0;color:var(--muted);font-size:14.5px}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.cards a{display:flex;gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.cards a:hover{border-color:var(--accent);transform:translateY(-1px)}
.cards .ic{width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center}
.cards b{display:block;font-size:15px;font-weight:600}
.cards span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}

.cards .feature{display:flex;gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card)}

.videoblock{margin:26px 0 6px}
.videoblock h2{margin:0 0 12px}
.video-poster{display:block;position:relative;width:100%;max-width:420px;padding:0;border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;background:#000;cursor:pointer;line-height:0}
.video-poster img{width:100%;aspect-ratio:16/9;height:auto;object-fit:cover;display:block;
  filter:blur(4px);transform:scale(1.04);transition:filter .3s,transform .3s,opacity .2s}
.video-poster:hover img{filter:blur(2px);transform:scale(1.06);opacity:.95}
.video-play{position:absolute;inset:0;margin:auto;width:74px;height:74px;border-radius:50%;
  display:grid;place-items:center;background:rgba(94,162,38,.92);box-shadow:0 6px 24px rgba(0,0,0,.35)}
.video-play .i{width:45px;height:45px;color:#fff}
.video-poster:hover .video-play{background:var(--accent)}

.video-modal{position:fixed;inset:0;z-index:200;background:rgba(15,20,12,.82);
  display:grid;place-items:center;padding:24px;animation:vfade .15s ease}
@keyframes vfade{from{opacity:0}to{opacity:1}}
.video-modal-inner{position:relative;width:min(1100px,100%);aspect-ratio:16/9}
.video-modal-inner video{width:100%;height:100%;border-radius:10px;background:#000;display:block}
.video-modal-close{position:absolute;top:-14px;right:-14px;width:40px;height:40px;border-radius:50%;
  border:none;background:#fff;color:var(--ink);cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow)}
.video-modal-close .i{width:20px;height:20px}
@media(max-width:640px){.video-modal-close{top:-46px;right:0}}

.embed{margin:14px 0;padding:14px 16px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow-x:auto;font:500 13.5px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);white-space:pre}
.seo code,.faq code{font:500 .92em/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:1px 5px}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);padding:16px 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.crumbs .i{color:var(--line)}