/* Инструкции БЭФИ: каталог и «книга» главы (образец 20.10.2026). Страницы собирает build_instrukcii.py из instrukcii-src/*.md.
   Без скриптов глава — обычная длинная страница (её читают ИИ-агенты и поиск); со скриптом — книга с перелистыванием. */

/* ---------- каталог: главы — на первом экране (просьба владельца 20.10.2026) ---------- */
.ins-hero{padding:22px 0 8px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:8px 40px;align-items:end}
.ins-hero h1{font-size:clamp(28px,3.3vw,44px);margin:6px 0 10px;letter-spacing:-.03em;line-height:1.1}
.ins-hero .page-lead{font-size:16.5px;max-width:640px;margin:0}
.ins-side{display:flex;flex-direction:column;gap:12px}
.ins-cta{display:flex;gap:10px;flex-wrap:wrap}
.ins-cta a{display:inline-block;padding:11px 18px;border-radius:999px;border:1px solid var(--line);font-size:15px;text-decoration:none;color:var(--ink)}
.ins-cta a.main{background:var(--blue);border-color:var(--blue);color:#fff}
.ins-search{position:relative}
.ins-search input{width:100%;font:inherit;font-size:17px;padding:13px 18px 13px 46px;border:1px solid var(--line);border-radius:14px;background:#fff}
.ins-search input:focus{outline:3px solid #2846eb33;border-color:var(--blue)}
.ins-search:before{content:"⌕";position:absolute;left:16px;top:50%;transform:translateY(-52%);font-size:22px;color:#9aa3b2}
.ins-route{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin:16px 0 22px;font-size:14.5px;counter-reset:r}
.ins-route > span{color:var(--muted)}
.ins-route a{counter-increment:r;display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border-radius:999px;background:#edf3ff;text-decoration:none;color:var(--ink)}
.ins-route a:before{content:counter(r);width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600}
.ins-route a + a{position:relative}
.ins-route i{font-style:normal;color:#9aa3b2}
.ins-sec{margin:0 0 26px}
.ins-sec h2{font-size:21px;margin:0 0 12px}
.ins-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ins-card{border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:#fff;display:flex;flex-direction:column}
.ins-card h3{font-size:19px;margin:0 0 8px}
.ins-card h3 a{color:var(--ink);text-decoration:none}
.ins-card h3 a:hover{color:var(--blue)}
.ins-card p{font-size:15px;color:var(--muted);margin:0 0 12px;flex:1}
.ins-meta{font-size:13px;color:#7d8696;display:flex;gap:12px;flex-wrap:wrap}
.ins-meta a{color:var(--blue)}
.ins-card.soon{background:#fafbfd;border-style:dashed}
.ins-card.soon h3{color:#8a93a3}
.ins-card .tag{display:inline-block;font-size:11px;color:var(--blue);background:#edf3ff;padding:2px 8px;border-radius:9px;margin-bottom:8px}
.ins-hits{list-style:none;padding:0;margin:0 0 12px;font-size:14px}
.ins-hits li{padding:4px 0;border-top:1px dashed var(--line)}
.ins-hits a{color:var(--blue)}
.ins-empty{font-size:17px;color:var(--muted);padding:20px 0}
@media(max-width:900px){.ins-hero{grid-template-columns:1fr;padding-top:14px}.ins-cards{grid-template-columns:1fr}.ins-hero h1{font-size:26px;margin:4px 0 6px}.ins-hero .page-lead{font-size:14.5px;line-height:1.45}.ins-cta a{padding:8px 13px;font-size:13.5px}.ins-search input{font-size:15px;padding:10px 14px 10px 40px}.ins-route{margin:12px 0 16px;font-size:13px}.ins-route > span{display:none}.ins-card{padding:14px 16px}}

/* ---------- глава: без скрипта — длинная страница ---------- */
.book-wrap{padding:24px 0 60px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--blue);text-decoration:none}
.book-top{display:flex;align-items:center;gap:14px 18px;flex-wrap:wrap;margin-bottom:18px}
.book-top h1{font-size:clamp(26px,3.2vw,40px);margin:0;flex:1 1 auto;letter-spacing:-.02em}
.mode,.nav{display:none}
.book{display:block}
.spread{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:12px;margin:0 0 22px;background:#fff;overflow:hidden}
.page{padding:32px 36px 40px;position:relative}
.page-left{border-right:1px solid #eef1f6}
.page-num{position:absolute;bottom:14px;font-size:12px;color:#9aa3b2}
.page-left .page-num{left:36px}.page-right .page-num{right:36px}
.kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.page h2{font-size:28px;line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
.page p{font-size:16.5px;line-height:1.6;color:#333b47;margin:0 0 12px}
.path{display:flex;flex-wrap:wrap;gap:4px;align-items:center;font-weight:600}
.path i{font-style:normal;color:#9aa3b2;font-weight:400}
.steps{counter-reset:s;list-style:none;padding:0;margin:8px 0 16px}
.steps li{counter-increment:s;position:relative;padding:0 0 0 42px;margin:0 0 14px;font-size:16.5px;line-height:1.55}
.steps li:before{content:counter(s);position:absolute;left:0;top:-2px;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:600}
.more{border-left:3px solid #f0b429;background:#fffaf0;padding:12px 16px;border-radius:0 8px 8px 0;font-size:15px;line-height:1.55;color:#4b4030;margin:14px 0}
.more b{color:#7a5a12}
.cover{background:linear-gradient(150deg,#13233f,#1d3a74);color:#fff}
.cover h2{color:#fff;font-size:38px}
.cover p{color:#c9d3e4}.cover .kicker{color:#9db4ff}
.cover a{color:#fff}
.toc{list-style:none;padding:0;margin:16px 0}
.toc li{border-bottom:1px dashed #e1e6ee}
.toc a{display:flex;gap:12px;align-items:baseline;padding:9px 0;font-size:16px;color:var(--ink);text-decoration:none}
.toc a span{color:var(--blue);font-weight:600;width:22px}
.shot{margin:0;border:1px solid #d6dce6;border-radius:10px;overflow:hidden;box-shadow:0 14px 34px #16203314;background:#fff}
.shot img{display:block;width:100%;height:auto}
.shot a{display:block;cursor:zoom-in}
.js .shot img{max-height:46vh;object-fit:contain;object-position:left top}
.caption{font-size:13.5px;color:var(--muted);margin-top:14px;line-height:1.5}
.caption b{color:#ff7a1a}
.more-chs{columns:2;column-gap:24px;margin-top:4px}
.more-ch{break-inside:avoid;margin:0 0 9px}
.more-ch .sec{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#7d8696;margin-bottom:2px}
.more-ch ul{list-style:none;padding:0;margin:0}
.more-ch li{padding:3px 0;border-bottom:1px dashed #e1e6ee}
.more-ch a{color:var(--ink);text-decoration:none;font-size:clamp(13px,1.9vh,15px)}.more-ch a:hover{color:var(--blue)}
.caption .note{color:var(--ink)}
.final-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.final-cta a{display:inline-block;padding:12px 20px;border-radius:999px;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:15px}
.final-cta a.buy{border-color:var(--blue);color:var(--blue)}
.final-cta a.main{background:var(--blue);border-color:var(--blue);color:#fff}

/* «живой экран» программы */
.screen{border:1px solid #d6dce6;border-radius:12px;overflow:hidden;box-shadow:0 14px 34px #16203314;background:#f6f8fb;font-size:12.5px}
.screen-bar{height:26px;background:#e9edf3;display:flex;align-items:center;gap:6px;padding:0 10px}
.screen-bar i{width:9px;height:9px;border-radius:50%;background:#cbd2dd}
.screen-bar span{margin-left:10px;color:#7d8696;font-size:11px}
.screen-body{display:grid;grid-template-columns:150px 1fr;min-height:310px}
.s-menu{background:#13233f;color:#c9d3e4;padding:12px 10px}
.s-menu .brand{color:#fff;font-weight:700;margin:0 0 12px 4px;font-size:14px}
.s-menu .grp{color:#7f8db0;font-size:10px;text-transform:uppercase;letter-spacing:.08em;margin:12px 4px 5px}
.s-menu .it{padding:5px 6px;border-radius:6px;margin:1px 0;position:relative}
.s-main{padding:16px 18px}
.s-main h4{margin:0 0 12px;font-size:15px;color:#17202a}
.s-field{margin:0 0 10px;position:relative}
.s-field label{display:block;color:#7d8696;font-size:11px;margin-bottom:3px}
.s-field .inp{background:#fff;border:1px solid #d6dce6;border-radius:6px;padding:7px 9px;color:#17202a;min-height:30px}
.s-btn{display:inline-block;background:#fff;border:1px solid #c8d0dc;border-radius:6px;padding:7px 12px;margin:4px 6px 0 0;position:relative;color:#17202a}
.s-btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.s-row{display:flex;gap:8px;align-items:center;padding:7px 0;border-bottom:1px solid #e6eaf0;position:relative}
.s-row .ok{color:#1f9d5b}.s-row .no{color:#a0a8b6}
/* системные окна: Windows, SmartScreen, Mac */
.screen-body.solo{grid-template-columns:1fr}
.s-text{font-size:1em;line-height:1.5;color:#333b47;margin:0 0 8px}
.tone-win .screen-bar{background:#f3f3f3}.tone-win .s-main{background:#fff}
.tone-smartscreen .screen-bar{background:#0a4fa6}.tone-smartscreen .screen-bar span{color:#cfe0ff}
.tone-smartscreen .s-main{background:#0b5cc4;color:#fff}.tone-smartscreen h4,.tone-smartscreen .s-text{color:#fff}
.tone-smartscreen .s-btn{background:transparent;color:#fff;border-color:#9cc0ff}
.tone-smartscreen .s-btn.primary{background:#fff;color:#0b5cc4;border-color:#fff}
.tone-mac .screen-bar i:nth-child(1){background:#ff5f57}.tone-mac .screen-bar i:nth-child(2){background:#febc2e}.tone-mac .screen-bar i:nth-child(3){background:#28c840}
.tone-mac .s-main{background:#ececec}
.hl{outline:2px solid #ff7a1a;outline-offset:2px;border-radius:6px;animation:pulse 1.6s ease-in-out infinite}
.s-menu .hl{background:#2846eb;color:#fff}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 #ff7a1a66}50%{box-shadow:0 0 0 8px #ff7a1a00}}
.mark{position:absolute;right:-10px;top:-10px;width:22px;height:22px;border-radius:50%;background:#ff7a1a;color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;box-shadow:0 2px 6px #0003;z-index:2}

/* ---------- со скриптом: книга ---------- */
.js .mode{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff}
.js .mode button{border:0;background:none;padding:8px 16px;border-radius:999px;font:inherit;font-size:14px;cursor:pointer;color:var(--muted)}
.js .mode button[aria-pressed=true]{background:var(--blue);color:#fff}
.js [data-mode=short] .more,.js [data-mode=short] .detail{display:none}
.js .stage{perspective:2600px}
.js .book{position:relative;display:grid;grid-template-columns:1fr 1fr;min-height:540px;background:#fff;border-radius:6px 14px 14px 6px;
  box-shadow:0 30px 70px #1620331f,0 2px 0 #dfe4ee,0 5px 0 #f0f3f8,0 7px 0 #e3e8f1}
.js .book:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:40px;transform:translateX(-50%);pointer-events:none;
  background:linear-gradient(90deg,transparent,#16203314 45%,#16203322 50%,#16203314 55%,transparent);z-index:3}
.js .spread{display:none}
.js .spread.on{display:contents}
.js .page{padding:44px 48px 64px;overflow:hidden}
.js .page-left .page-num{left:48px}.js .page-right .page-num{right:48px}
.js .nav{display:flex;align-items:center;justify-content:space-between;margin-top:20px;gap:16px}
.nav > button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 22px;font:inherit;font-size:15px;cursor:pointer}
.nav > button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.nav > button:disabled{opacity:.4;cursor:default}
.dots{display:flex;gap:7px;flex-wrap:wrap;justify-content:center}
.dots button{width:10px;height:10px;padding:0;border-radius:50%;border:0;background:#d3d9e4;cursor:pointer}
.dots button[aria-current=true]{background:var(--blue);transform:scale(1.3)}
/* перелистывание: неподвижная половина старого разворота и переворачиваемый лист */
.flip-still,.leaf{position:absolute;top:0;bottom:0;width:50%;z-index:5;pointer-events:none}
.flip-still{background:#fff;overflow:hidden}
.flip-still > .page,.leaf .face > .page{height:100%;display:block}
.leaf{transform-style:preserve-3d;transition:transform .75s cubic-bezier(.45,.05,.2,1);z-index:6}
.leaf .face{position:absolute;inset:0;backface-visibility:hidden;background:#fff;overflow:hidden}
.leaf .back{transform:rotateY(180deg)}
.leaf.fwd{left:50%;transform-origin:left center}.leaf.fwd.go{transform:rotateY(-180deg)}
.leaf.bwd{left:0;transform-origin:right center}.leaf.bwd.go{transform:rotateY(180deg)}
.leaf .face:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0000,#16203318);opacity:0;transition:opacity .75s}
.leaf.go .face:after{opacity:1}

/* компьютер: книга целиком в окне, без прокрутки (просьба владельца 20.10.2026) */
@media(min-width:901px){
  .js body.is-book{overflow:hidden}
  .js .is-book .header{min-height:0;padding-top:10px;padding-bottom:10px}
  .js .book-wrap{height:calc(100vh - var(--hh,80px));display:flex;flex-direction:column;padding:10px 0 14px}
  .js .crumbs{margin-bottom:2px}
  .js .book-top{margin-bottom:10px;flex-wrap:nowrap}
  .js .book-top h1{font-size:24px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .js .stage{flex:1 1 auto;min-height:0;display:flex}
  .js .book{flex:1;min-height:0}
  .js .page{padding:clamp(16px,3vh,40px) clamp(24px,3vw,46px) 30px;overflow:auto;scrollbar-width:thin}
  .js .page-num{bottom:9px}
  .js .page h2{font-size:clamp(21px,3.4vh,30px);margin-bottom:clamp(8px,1.4vh,16px)}
  .js .page p,.js .steps li{font-size:clamp(14px,2.05vh,16.5px)}
  .js .steps{margin:4px 0 8px}
  .js .steps li{margin-bottom:clamp(6px,1.1vh,14px)}
  .js .kicker{margin-bottom:clamp(6px,1vh,12px)}
  .js .more{font-size:clamp(13px,1.85vh,15px);padding:clamp(8px,1.2vh,12px) 14px;margin:clamp(8px,1.4vh,14px) 0}
  .js .screen-body{min-height:0;height:clamp(210px,41vh,360px)}
  .js .screen{font-size:clamp(11px,1.6vh,12.5px)}
  .js .caption{margin-top:clamp(8px,1.4vh,14px)}
  .js .cover h2{font-size:clamp(28px,5vh,40px)}
  .js .toc{margin:clamp(8px,1.6vh,18px) 0}
  .js .toc a{padding:clamp(5px,1vh,9px) 0;font-size:clamp(14px,2vh,16px)}
  .js .nav{margin-top:10px}
  .js .nav > button{padding:9px 20px}
}
@media(min-width:901px) and (max-height:680px){
  .js .book-wrap{padding:6px 0 10px}
  .js .book-top{margin-bottom:6px}
  .js .screen-body{height:34vh}
  .js .page p,.js .steps li{font-size:13.5px;line-height:1.45}
  .js .more{font-size:12.5px;line-height:1.45}
  .js .page h2{font-size:20px}
  .js .caption{font-size:12.5px}
}
@media(max-width:900px){
  .spread{grid-template-columns:1fr}
  .page{padding:26px 22px 44px}
  .page-left{border-right:0;border-bottom:1px solid #eef1f6}
  .page-left .page-num{display:none}.page-right .page-num{right:22px}
  .page h2{font-size:24px}
  .screen-body{grid-template-columns:110px 1fr;min-height:0}
  .js .book{grid-template-columns:1fr;min-height:0}
  .js .book:before{display:none}
  .js .page{padding:26px 22px 44px}
  .js .nav{position:sticky;bottom:0;background:#fffffff2;padding:10px 0 12px;margin-top:0;z-index:6;border-top:1px solid var(--line)}
  .js .nav > button{padding:11px 16px}
  .js .dots{display:none}
  .js .book.slide{animation:slide .35s ease}
  .book-top h1{width:100%}
}
@keyframes slide{from{opacity:.2;transform:translateX(var(--dir,30px))}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.leaf,.flip-still{display:none}.hl,.js .book.slide{animation:none}}
@media print{.js .spread{display:grid}.mode,.nav{display:none!important}.more{display:block!important}}

/* Название раздела в стиле остальных страниц сайта. */
.inner-page .ins-hero .ins-index-title { display: block; color: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: .075em; line-height: 1.5; text-transform: uppercase; margin: 0 0 12px; }

.inner-page .ins-index-hero { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 24px 40px; padding: 20px 0 12px; }
.inner-page .ins-hero .ins-index-heading { font-size: clamp(29px, 2.6vw, 34px); font-weight: 500; line-height: 1.14; letter-spacing: -.035em; margin: 0; }
.inner-page .ins-index-hero .ins-search input { font-size: 15px; line-height: 1.5; padding-block: 11px; }
@media (max-width: 900px) {
  .inner-page .ins-index-hero { grid-template-columns: minmax(0, 1fr); gap: 18px; }
}

/* Маршрут рядом с поиском на странице каталога. */
.inner-page .ins-index-hero .ins-side { gap: 16px; min-width: 0; margin-top: 24px; }
.inner-page .ins-index-hero .ins-route { margin: 0; gap: 8px; font-size: 13px; }
.inner-page .ins-index-hero .ins-route > span { flex-basis: 100%; font-size: 12px; }
.inner-page .ins-index-hero .ins-route a { gap: 6px; padding: 7px 10px 7px 7px; }
.inner-page .ins-index-hero .ins-route a:before { width: 20px; height: 20px; }

@media (max-width: 900px) {
  .inner-page .ins-index-hero .ins-side { margin-top: 0; }
}

/* Mobile reading: opaque controls and no input zoom on iOS. */
@media(max-width:900px){.js .nav{background:#fff}.inner-page .ins-index-hero .ins-search input,.ins-search input{font-size:16px}.page,.s-main{min-width:0;overflow-wrap:anywhere}}