/* a2aprotocol.ru — справочный макет общей дизайн-системы (основа aid2c, синий акцент) */
:root{
  --paper:#efede6;--card:#f7f6f0;--ink:#121212;--ink-2:#50504b;--line:#bab8af;--tag:#e5e2d9;--code:#e6e3da;
  --accent:#5b84ff;--accent-ink:#1f48c7;--accent-soft:#dde5fa;--on-accent:#121212;
  --grid:rgba(18,18,18,.06);
  --sans:Arial,"Helvetica Neue",Helvetica,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme=light]){--paper:#191919;--card:#222220;--ink:#f2f0e8;--ink-2:#bcbab2;--line:#4d4d48;--tag:#33332f;--code:#2b2b28;--accent-ink:#9db4ff;--accent-soft:#232c45;--grid:rgba(255,255,255,.045);color-scheme:dark}
}
:root[data-theme=dark]{--paper:#191919;--card:#222220;--ink:#f2f0e8;--ink-2:#bcbab2;--line:#4d4d48;--tag:#33332f;--code:#2b2b28;--accent-ink:#9db4ff;--accent-soft:#232c45;--grid:rgba(255,255,255,.045);color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{margin:0;background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:112px 112px;color:var(--ink);font:17px/1.65 var(--sans);overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--sans);font-weight:750;letter-spacing:-.035em;margin:0}
p{margin:0 0 1em}
code{font-family:var(--mono);font-size:.88em;background:var(--code);padding:.1em .35em}
:focus-visible{outline:3px solid var(--accent-ink);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:12px;z-index:100;background:var(--accent);color:var(--on-accent);padding:8px 14px}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

/* Шапка */
.site-head{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--ink)}
.site-head .wrap{display:flex;align-items:center;gap:28px;height:72px}
.wordmark{font-weight:800;font-size:22px;letter-spacing:-1px;text-decoration:none;white-space:nowrap}
.wordmark span{color:var(--ink-2);font-weight:600;margin-left:.28em}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{font-size:14px;font-weight:600;text-decoration:none;line-height:1.3}
.nav a:hover{color:var(--accent-ink)}
.nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:8px}
.head-tools{display:flex;gap:8px}
.icon-btn{font:600 14px var(--mono);background:transparent;color:var(--ink);border:1px solid var(--line);min-width:40px;height:38px;padding:0 10px;cursor:pointer}
.icon-btn:hover{border-color:var(--ink)}
#menu-toggle{display:none}
#theme-toggle{font:18px/1 var(--sans)}
@media (max-width:1100px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:8px 24px 16px}
  .nav.open{display:flex}
  .nav a{padding:10px 0;font-size:16px}
  #menu-toggle{display:inline-block}
  .head-tools{margin-left:auto}
}

/* Общие элементы */
.eyebrow{font:12px/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin:0 0 20px}
.btn{display:inline-block;font:600 14px/1.4 var(--mono);padding:15px 22px;border:1px solid var(--ink);text-decoration:none;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:#7b9cff}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{opacity:.85}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.section{padding:64px 0;border-bottom:1px solid var(--line)}
.section h2{font-size:clamp(1.8rem,3.2vw,2.7rem);line-height:1.12;max-width:900px;margin-bottom:18px}
.section .intro{max-width:760px;color:var(--ink-2);margin-bottom:32px}

/* Главная */
.hero{padding:72px 0 80px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(3.2rem,8vw,6.6rem);line-height:.98;font-weight:800;letter-spacing:-.06em;margin-bottom:26px}
.hero h1 mark{background:var(--accent);color:var(--on-accent);padding:0 .08em}
.hero .sub{display:block;font-size:clamp(1.45rem,3.2vw,2.7rem);line-height:1.14;letter-spacing:-.04em;max-width:880px;margin-top:22px;font-weight:700}
.definition{margin-top:44px;max-width:980px;background:var(--card);border:1px solid var(--ink);border-left:8px solid var(--accent);padding:30px 32px}
.definition h2{font:600 13px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:14px}
.definition p{font-size:clamp(1.15rem,1.9vw,1.42rem);line-height:1.55;max-width:62ch}
.definition .def-copy{font:600 13px var(--mono);background:transparent;color:var(--ink);border:1px solid var(--ink);padding:6px 12px;cursor:pointer}
.definition .def-copy:hover{background:var(--accent);color:var(--on-accent)}
.def-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:18px;font:13px var(--mono);color:var(--ink-2)}
.hero .btn-row{margin-top:36px}

.steps{counter-reset:s;list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ink);background:var(--card)}
.steps li{counter-increment:s;padding:24px;border-left:1px solid var(--line)}
.steps li:first-child{border-left:0}
.steps li::before{content:counter(s);display:block;font:700 13px var(--mono);color:var(--accent-ink);margin-bottom:10px}
.steps b{display:block;margin-bottom:6px}
.steps span{color:var(--ink-2);font-size:15px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.steps li:nth-child(3){border-left:0}.steps li:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}.steps li{border-left:0;border-top:1px solid var(--line)}.steps li:first-child{border-top:0}}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{position:relative;border:1px solid var(--ink);background:var(--card);padding:24px;transition:box-shadow .15s,border-color .15s}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:15px;margin:0}
.card .en{font:12px var(--mono);color:var(--ink-2);display:block;margin-bottom:10px}
.card a{text-decoration:none}
.card a::after{content:"";position:absolute;inset:0}
.card:hover{border-color:var(--accent);box-shadow:4px 4px 0 var(--accent)}

.index-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--ink)}
.index-list li{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.index-list a{font-weight:700;text-decoration:none}
.index-list a:hover{color:var(--accent-ink)}
.index-list span{color:var(--ink-2)}
@media (max-width:700px){.index-list li{grid-template-columns:1fr;gap:4px}}

/* Справочные страницы */
.doc-head{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.crumbs{font:13px var(--mono);color:var(--ink-2);margin-bottom:22px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--accent-ink)}
.doc-head h1{font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.02;letter-spacing:-.05em;font-weight:800;max-width:1000px}
.lead{font-size:20px;line-height:1.6;max-width:62ch;border-left:3px solid var(--accent);padding-left:20px;margin:26px 0 0}
.meta{font:13px var(--mono);color:var(--ink-2);margin-top:22px}
.doc{display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px;padding:48px 24px 72px}
.toc{position:sticky;top:96px;align-self:start;font-size:14px}
.toc p{font:600 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.toc ol{list-style:none;padding:0;margin:0;border-left:1px solid var(--ink)}
.toc a{display:block;padding:6px 0 6px 14px;text-decoration:none;color:var(--ink-2)}
.toc a:hover{color:var(--ink);box-shadow:inset 3px 0 0 var(--accent)}
.toc details summary{cursor:pointer;font:600 13px var(--mono);padding:12px 14px;border:1px solid var(--ink);background:var(--card)}
@media (min-width:1001px){.toc details summary{display:none}.toc details{display:block}}
@media (max-width:1000px){.toc details>p{display:none}.doc{grid-template-columns:1fr;gap:28px;padding-top:32px}.toc{position:static}.toc ol{border-left:0;padding:8px 14px;border:1px solid var(--line);border-top:0}}

.prose{max-width:76ch;min-width:0}
.prose h2{font-size:clamp(1.55rem,2.6vw,2.1rem);line-height:1.18;margin:56px 0 16px;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.2rem;margin:32px 0 10px}
.prose p,.prose li{line-height:1.75}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin:.35em 0}
.prose a{color:var(--accent-ink);text-underline-offset:3px}
.prose .anchor,.anchor{margin-left:.3em;font:600 .6em var(--mono);color:var(--line);text-decoration:none;vertical-align:middle}
.prose .anchor:hover,.anchor:hover{color:var(--accent-ink)}
.note{border:1px solid var(--line);background:var(--accent-soft);padding:16px 20px;margin:24px 0}
.note p:last-child{margin:0}
.warn{border:1px solid var(--ink);border-left:6px solid var(--ink);background:var(--card);padding:16px 20px;margin:24px 0}
.warn p:last-child{margin:0}
.todo{outline:2px dashed #c0392b;outline-offset:2px;background:rgba(192,57,43,.08)}

.table-wrap{overflow-x:auto;border:1px solid var(--ink);margin:24px 0;background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.55}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-top:1px solid var(--line)}
thead th{border-top:0;background:var(--tag);font-weight:700;white-space:nowrap}
tbody th{font-weight:700;white-space:nowrap}
td code,th code{white-space:nowrap}
caption{caption-side:top;text-align:left;font:13px var(--mono);color:var(--ink-2);padding:12px 14px;border-bottom:1px solid var(--line)}

.code{margin:24px 0;border:1px solid var(--ink);background:#1b1b1a;color:#ecebe4;min-width:0}
.code-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 14px;background:#121212;font:12px var(--mono);letter-spacing:.04em;color:#bcbab2}
.copy{font:12px var(--mono);background:transparent;color:#ecebe4;border:1px solid #6d6d66;padding:3px 10px;cursor:pointer}
.copy:hover{border-color:var(--accent)}
.code pre{margin:0;padding:18px;overflow-x:auto;font:13.5px/1.6 var(--mono);tab-size:2}
.code code{background:none;padding:0;font-size:inherit;color:inherit}

figure.diagram{margin:32px 0;border:1px solid var(--line);background:var(--card);padding:18px}
figure.diagram svg{display:block;width:100%;height:auto}
figure.diagram img{display:block;width:100%;height:auto}
figure.diagram-img{padding:0;background:transparent;overflow:hidden}
figure.diagram-img figcaption{padding:12px 18px 14px;background:var(--card);margin-top:0;border-top:1px solid var(--line)}
figure.diagram figcaption{font-size:14px;color:var(--ink-2);margin-top:12px}
.d-box{fill:var(--card);stroke:var(--ink);stroke-width:1.5}
.d-acc{fill:var(--accent);stroke:var(--ink);stroke-width:1.5}
.d-soft{fill:var(--accent-soft);stroke:var(--ink);stroke-width:1.2}
.d-line{stroke:var(--ink);stroke-width:1.5;fill:none}
.d-dash{stroke:var(--ink-2);stroke-width:1.3;fill:none;stroke-dasharray:5 4}
.d-t{fill:var(--ink);font:600 15px var(--sans)}
.d-s{fill:var(--ink-2);font:13px var(--mono)}
.d-a{fill:#121212;font:700 14px var(--sans)}

/* Глоссарий */
.term-group{margin-top:48px}
.term{border-top:1px solid var(--line);padding:22px 0;scroll-margin-top:96px}
.term:target{background:var(--accent-soft);box-shadow:-12px 0 0 var(--accent-soft),12px 0 0 var(--accent-soft)}
.term h3{font-size:1.3rem;margin:0 0 4px;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px}
.term .en{font:500 14px var(--mono);color:var(--ink-2);letter-spacing:0}
.term p{margin:.5em 0 0}
.term .avoid{font-size:14px;color:var(--ink-2)}
.az{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0;list-style:none}
.az a{display:inline-block;font:13px var(--mono);border:1px solid var(--line);padding:4px 10px;text-decoration:none;color:var(--ink)}
.az a:hover{border-color:var(--accent);color:var(--accent-ink)}

/* Вопросы */
.faq details{border-top:1px solid var(--line);padding:0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:700;font-size:1.12rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 24px var(--mono);color:var(--accent-ink)}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 0 20px}

/* Подвал */
.site-foot{background:#121212;color:#f2f0e8;border-top:4px solid var(--accent);margin-top:0}
:root[data-theme=dark] .site-foot{background:#0e0e0d}
.site-foot .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-top:48px;padding-bottom:40px}
.site-foot h2{font-size:14px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#bcbab2;margin-bottom:14px;font-weight:600}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:6px 0}
.site-foot a{text-decoration:none;color:#f2f0e8}
.site-foot a:hover{color:#9db4ff}
.site-foot .brand{font-size:26px;font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.site-foot p{color:#bcbab2;font-size:15px;max-width:560px}
.foot-base{border-top:1px solid #3a3a37;font:13px var(--mono);color:#9a9890;padding:18px 0 28px}
@media (max-width:800px){.site-foot .wrap{grid-template-columns:1fr}}

/* 404 */
.nf{padding:96px 0 104px}
.nf .code404{font:800 clamp(5rem,16vw,11rem)/.9 var(--sans);letter-spacing:-.06em}
.nf .code404 span{background:var(--accent);color:var(--on-accent);padding:0 .06em}

@media (max-width:640px){
  body{font-size:16px;background-size:72px 72px}
  .wrap{padding:0 16px}.doc{padding-left:16px;padding-right:16px}
  .hero{padding:44px 0 52px}.definition{padding:22px 20px;border-left-width:6px}
  .btn{width:100%;text-align:center}
  .section{padding:44px 0}
  .lead{font-size:18px}
  figure.diagram{overflow-x:auto;padding:12px}
  figure.diagram svg,figure.diagram img{min-width:680px}
  figure.diagram-img{padding:0}
  figure.diagram figcaption{position:sticky;left:0;max-width:calc(100vw - 58px)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-head,.toc,.site-foot,.copy{display:none}body{background:#fff}}

/* v14: профиль A2A-RU — инициатива, лестница полномочий, подвал по стандарту группы */
.init-box{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;margin:28px 0 0;max-width:980px;background:var(--ink);color:var(--paper);padding:22px 26px;border-left:8px solid #e0a43a}
.init-box .init-tag{justify-self:start;font:700 12px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;background:#e0a43a;color:#121212;padding:6px 10px;white-space:nowrap}
.init-box p{margin:0;line-height:1.55}
.init-box p+p{margin-top:8px;color:color-mix(in srgb,var(--paper) 78%,transparent)}
.init-box a{color:inherit;text-decoration-color:#e0a43a}
@media (max-width:640px){.init-box{grid-template-columns:1fr}}
.q3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);background:var(--card);margin:18px 0 28px}
.q3 div{padding:20px 22px;border-left:1px solid var(--line)}
.q3 div:first-child{border-left:0}
.q3 b{display:block;font:700 13px var(--mono);color:var(--accent-ink);margin-bottom:8px;letter-spacing:.06em;text-transform:uppercase}
.q3 span{display:block;font-size:15px;color:var(--ink-2);line-height:1.5}
@media (max-width:800px){.q3{grid-template-columns:1fr}.q3 div{border-left:0;border-top:1px solid var(--line)}.q3 div:first-child{border-top:0}}
.ladder{list-style:none;padding:0;margin:18px 0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ladder li{position:relative;padding:18px 18px 20px;border:1px solid var(--ink);background:var(--card);margin:0}
.ladder li::before{content:"";position:absolute;left:0;right:0;top:0;height:6px}
.ladder .lv-0::before{background:#9fb2a4}.ladder .lv-1::before{background:#5b84ff}.ladder .lv-2::before{background:#e0a43a}.ladder .lv-3::before{background:#d6453d}
.ladder .lv-n{display:block;font:800 34px/1 var(--sans);letter-spacing:-.04em;margin:6px 0 8px}
.ladder b{display:block;margin-bottom:6px}
.ladder span{display:block;font-size:14px;line-height:1.5;color:var(--ink-2)}
.ladder .lv-3{background:color-mix(in srgb,#d6453d 9%,var(--card))}
@media (max-width:900px){.ladder{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ladder{grid-template-columns:1fr}}
.req{display:inline-block;font:700 11px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:3px 7px;border:1px solid var(--ink);white-space:nowrap}
.req-y{background:var(--accent);color:var(--on-accent)}
.req-n{background:transparent;color:var(--ink-2);border-color:var(--line)}
.chain{list-style:none;padding:0;margin:18px 0 28px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--ink)}
.chain li{margin:0;padding:20px 22px;border-left:1px solid var(--line);background:var(--card)}
.chain li:first-child{border-left:0}
.chain li:nth-child(2){background:var(--accent-soft)}
.chain b{display:block;margin-bottom:6px}
.chain span{display:block;font-size:15px;color:var(--ink-2);line-height:1.5}
@media (max-width:800px){.chain{grid-template-columns:1fr}.chain li{border-left:0;border-top:1px solid var(--line)}.chain li:first-child{border-top:0}}
.foot-req{margin-top:14px;font:13px/1.6 var(--mono)}
.foot-req a{text-decoration:none}
.foot-addr{margin-top:8px;font-size:14px}
.foot-addr summary{cursor:pointer;font:600 13px var(--mono);list-style:none}
.foot-addr summary::-webkit-details-marker{display:none}
.foot-addr summary::after{content:" +"}
.foot-addr[open] summary::after{content:" −"}
.foot-addr p{margin:8px 0 0}
.fbadge{margin:34px 0 0}.fbadge a{display:inline-block;line-height:0}.fbadge img{max-width:100%;height:auto}
.prose .ladder,.prose .chain{padding-left:0}
.prose .ladder li,.prose .chain li{margin:0}

/* v14: первый экран с картинкой (тёмный «чердак»), шапка прозрачная поверх и сплошная после прокрутки (HANDOFF 20261030/1) */
.site-head{transition:background-color .35s ease,border-color .35s ease,color .35s ease}
.site-head.hd-clear:not(.on){background:transparent;border-bottom-color:transparent;color:#f2f0e8}
.site-head.hd-clear:not(.on) .wordmark span{color:#bcbab2}
.site-head.hd-clear:not(.on) .icon-btn{color:#f2f0e8;border-color:rgba(242,240,232,.45)}
.site-head.hd-clear:not(.on) .nav a[aria-current=page]{text-decoration-color:#e0a43a}
@media (max-width:1100px){.site-head.hd-clear:not(.on) .nav.open{color:var(--ink)}}
.art-head{position:relative;overflow:hidden;background:#0d0f13;color:#f2f0e8;margin-top:-73px;padding-top:73px;border-bottom:0}
.art-head::before{content:"";position:absolute;left:0;right:0;top:0;height:170px;background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,0));z-index:2;pointer-events:none}
.art-head .wrap{position:relative;z-index:3}
.art-head .art{position:absolute;top:0;right:0;width:64%;max-width:1240px;z-index:1;pointer-events:none;line-height:0}
.art-head .art img{display:block;width:100%;height:auto;-webkit-mask-image:linear-gradient(to right,transparent 0,#000 38%),linear-gradient(to top,transparent 0,#000 30%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to right,transparent 0,#000 38%),linear-gradient(to top,transparent 0,#000 30%);mask-composite:intersect;animation:art-breathe 9s ease-in-out infinite}
@keyframes art-breathe{0%,100%{filter:brightness(.9) saturate(.95)}50%{filter:brightness(1.06) saturate(1.08)}}
.art-head .wrap>*{max-width:660px}
.art-head .wrap>.init-box{max-width:760px}
.art-head{min-height:calc(min(64vw,1240px) * .5583)}
.art-head .crumbs,.art-head .crumbs a,.art-head .meta{color:#bcbab2}
.art-head .lead{color:#e7e5dd}
.art-head .init-box{background:rgba(13,15,19,.82);border:1px solid rgba(242,240,232,.18);border-left:8px solid #e0a43a;backdrop-filter:blur(2px)}
.art-head .init-box p{color:#f2f0e8}
@media (max-width:900px){
  .art-head{min-height:0;padding-top:calc(55.8vw + 14px)}
  .art-head .art{width:100%;max-width:none}
  .art-head .art img{-webkit-mask-image:linear-gradient(to top,transparent 0,#000 35%);mask-image:linear-gradient(to top,transparent 0,#000 35%)}
  .art-head .wrap>*{max-width:none}
}
@media (prefers-reduced-motion:reduce){.art-head .art img{animation:none}}

/* v14: «Доверенные лица» — правила зонами и показ обмена */
.rules5{list-style:none;padding:0;margin:18px 0 28px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.prose .rules5{padding-left:0}
.rules5 li{margin:0;padding:18px;border:1px solid var(--ink);background:var(--card);border-top:6px solid var(--accent)}
.rules5 li:nth-child(2){border-top-color:#e0a43a}.rules5 li:nth-child(3){border-top-color:#9fb2a4}.rules5 li:nth-child(4){border-top-color:#d6453d}.rules5 li:nth-child(5){border-top-color:var(--ink)}
.rules5 b{display:block;margin-bottom:6px;line-height:1.3}
.rules5 span{display:block;font-size:14px;line-height:1.5;color:var(--ink-2)}
@media (max-width:1180px){.rules5{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.rules5{grid-template-columns:1fr}}
.tp-demo{margin:18px 0 28px;border:1px solid var(--ink);background:#0d0f13;color:#f2f0e8;padding:22px}
.tp-demo-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;align-items:center;margin-bottom:16px;font:13px var(--mono);color:#bcbab2}
.tp-demo-top button{font:600 13px var(--mono);background:transparent;color:#f2f0e8;border:1px solid rgba(242,240,232,.5);padding:6px 12px;cursor:pointer}
.tp-demo-top button:hover{border-color:#e0a43a;color:#e0a43a}
.tp-msgs{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.prose .tp-msgs{padding-left:0}
.tp-msg{margin:0;max-width:78%;padding:12px 14px;border:1px solid rgba(242,240,232,.18);background:#161a22;transition:opacity .6s ease,transform .6s ease}
.tp-msg.from-a{justify-self:start;border-left:4px solid #5b84ff}
.tp-msg.from-b{justify-self:end;border-left:4px solid #e0a43a}
.tp-msg.human{justify-self:center;border-left:4px solid #9fb2a4;background:#12161c;max-width:90%}
.tp-who{display:block;font:700 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#bcbab2;margin-bottom:6px}
.tp-msg .tp-what{display:block;font-size:15px;line-height:1.5;color:#f2f0e8}
.tp-msg code{display:block;margin-top:8px;white-space:pre-wrap;word-break:break-word;background:#0d0f13;color:#9db4ff;font-size:12.5px;padding:8px 10px}
.tp-js .tp-msg{opacity:0;transform:translateY(8px)}
.tp-js .tp-msg.is-shown{opacity:1;transform:none}
@media (max-width:640px){.tp-msg{max-width:100%}}
@media (prefers-reduced-motion:reduce){.tp-msg{transition:none}}

/* v14: форма предложений (стандарт группы v2) */
.f{position:relative;background:var(--card);border:1px solid var(--ink);border-top:6px solid var(--accent);padding:30px;max-width:820px;margin:18px 0 28px}
.f h3{font-size:1.6rem;margin-bottom:6px}
.f .hint{margin:0 0 20px;color:var(--ink-2);font-size:15px}
.fld{margin-bottom:16px}
.fld label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.req-mark{color:#d6453d;margin-left:2px}
.fld input,.fld select,.fld textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}
.fld textarea{min-height:150px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--accent-ink);outline:2px solid var(--accent-soft)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.phone-row{display:grid;grid-template-columns:170px 1fr;gap:8px}
.field-hint{font-size:13px;color:var(--ink-2);margin-top:5px}
.field-err{display:none;color:#d6453d;font-size:13px;margin-top:5px}
.has-err input,.has-err select,.has-err textarea{border-color:#d6453d}
.has-err .field-err{display:block}
.consent{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start;font-size:14px;margin:10px 0;color:var(--ink-2)}
.consent input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--accent-ink)}
.consent .field-err{flex-basis:100%;margin:2px 0 0 28px}
.consent.has-err{color:#d6453d}
.hp-field{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.hp-label{display:block}
.form-err{display:none;background:color-mix(in srgb,#d6453d 12%,var(--card));border:1px solid #d6453d;padding:12px 14px;margin-top:14px;font-size:15px}
.form-err.on{display:block}
.form-ok{display:none;background:var(--accent-soft);border:1px solid var(--accent-ink);padding:14px;margin-top:14px;font-size:15px}
.form-ok.on{display:block}
.btn.wide{width:100%;margin-top:8px}
.btn[disabled]{opacity:.6;cursor:wait}
@media (max-width:640px){.row2{grid-template-columns:1fr}.phone-row{grid-template-columns:130px 1fr}.f{padding:22px}}
.doc.doc-single{grid-template-columns:minmax(0,1fr)}
.doc.doc-single .prose{max-width:900px}
.prose .steps{padding-left:0}
.prose .steps li{margin:0}