/*
  База знаний 2.0: страницы и компоненты статей (knowledge/templatetags/kb.py).
  Тон - как в кабинете: белые плиты на светло-сером, Inter, серые подписи,
  индиго только у активного и у ссылок. Без градиентов, заливок акцентом и
  подчеркнутых ссылок.
*/
:root {
  --kb-ink: #111827;
  --kb-text: #374151;
  --kb-muted: #6b7280;
  --kb-faint: #9ca3af;
  --kb-line: #e5e7eb;
  --kb-line-soft: #f0f1f4;
  --kb-soft: #f8f9fb;
  --kb-page: #ffffff;
  --kb-accent: #4f46e5;
  --kb-accent-ink: #4338ca;
  --kb-accent-soft: #eef2ff;
  --kb-radius: 14px;
  --kb-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 14px 36px -18px rgba(16, 24, 40, .22);
  --kb-card: #ffffff;
  --kb-line-strong: #d1d5db;
  --kb-hover-line: #c7d2fe;
  --kb-bullet: #c7cad1;
  --kb-focus: #a5b4fc;
  --kb-text-2: #4b5563;
  --kb-hover: #f3f4f6;
  --kb-code-ink: #3730a3;
  --kb-warn-bg: #fffcf5;
  --kb-warn-line: #f3e3bf;
  --kb-bar: rgba(255, 255, 255, .9);
  --kb-grid: rgba(17, 24, 39, .045);
  --kb-hs-ring: #ffffff;
  --kb-inv-bg: #111827;
  --kb-inv-ink: #ffffff;
}

[x-cloak] { display: none !important; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }

/* ─── Каркас страницы статьи: разделы | статья | содержание ─────────── */
.kb2-page {
  max-width: 1680px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 6rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3.5rem;
}
@media (min-width: 1024px) {
  .kb2-page { grid-template-columns: minmax(0, 1fr) 224px; padding: 3.5rem 3rem 8rem; gap: 5rem; }
}
@media (min-width: 1500px) {
  .kb2-page { grid-template-columns: 248px minmax(0, 1fr) 224px; }
}
.kb2-main { min-width: 0; max-width: 860px; width: 100%; margin: 0 auto; }

/* Левая колонка - разделы базы знаний */
.kb2-nav { display: none; }
@media (min-width: 1500px) {
  .kb2-nav { display: block; }
}
.kb2-sticky {
  position: sticky;
  top: 5.5rem;
  max-height: calc(100vh - 6.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #e5e7eb transparent;
  padding-bottom: 1rem;
}
.kb2-nav-home {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8125rem; font-weight: 500; color: var(--kb-muted);
  padding: .375rem .5rem; margin-bottom: .75rem; border-radius: 8px;
  text-decoration: none;
}
.kb2-nav-home:hover { color: var(--kb-ink); background: var(--kb-soft); }
.kb2-nav-search {
  display: flex; align-items: center; gap: .5rem;
  width: 100%; padding: .5rem .75rem; margin-bottom: 1rem;
  border: 1px solid var(--kb-line); border-radius: 10px; background: var(--kb-card);
  font-size: .875rem; color: var(--kb-faint); text-align: left;
}
.kb2-nav-search:hover { border-color: var(--kb-line-strong); color: var(--kb-muted); }
.kb2-nav-group { margin-bottom: .25rem; }
.kb2-nav-cat {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  width: 100%; padding: .4375rem .5rem; border-radius: 8px;
  font-size: .875rem; font-weight: 500; color: var(--kb-text); text-align: left;
}
.kb2-nav-cat:hover { background: var(--kb-soft); color: var(--kb-ink); }
.kb2-nav-cat .kb2-ic-sm { color: var(--kb-faint); transition: transform .15s; }
.kb2-nav-cat[aria-expanded="true"] .kb2-ic-sm { transform: rotate(90deg); }
.kb2-nav-list { margin: .125rem 0 .5rem .5rem; padding-left: .625rem; border-left: 1px solid var(--kb-line); }
.kb2-nav-list a {
  display: block; padding: .3125rem .625rem; border-radius: 7px;
  font-size: .8125rem; line-height: 1.4; color: var(--kb-muted); text-decoration: none;
}
.kb2-nav-list a:hover { color: var(--kb-ink); background: var(--kb-soft); }
.kb2-nav-list a[aria-current="page"] { color: var(--kb-accent-ink); background: var(--kb-accent-soft); font-weight: 500; }

/* Правая колонка - содержание статьи и помощь */
.kb2-toc { display: none; }
@media (min-width: 1024px) { .kb2-toc { display: block; } }
.kb2-toc-title {
  font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--kb-faint); margin: 0 0 .625rem .75rem;
}
.kb2-toc nav { border-left: 1px solid var(--kb-line); }
.kb2-toc nav a {
  display: block; margin-left: -1px; padding: .3125rem .75rem;
  border-left: 2px solid transparent;
  font-size: .8125rem; line-height: 1.45; color: var(--kb-muted); text-decoration: none;
}
.kb2-toc nav a:hover { color: var(--kb-ink); }
.kb2-toc nav a.is-active { color: var(--kb-accent-ink); border-left-color: var(--kb-accent); font-weight: 500; }
.kb2-help {
  margin-top: 1.75rem; padding: 1rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card);
}
.kb2-help p { font-size: .8125rem; color: var(--kb-muted); margin: 0 0 .75rem; line-height: 1.45; }
.kb2-help p b { display: block; color: var(--kb-ink); font-weight: 600; font-size: .875rem; margin-bottom: .125rem; }
.kb2-btn {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  width: 100%; padding: .5rem .75rem; border: 1px solid var(--kb-line); border-radius: 10px;
  background: var(--kb-card); color: var(--kb-ink); font-size: .8125rem; font-weight: 500; text-decoration: none;
  transition: border-color .15s, background .15s;
}
.kb2-btn + .kb2-btn { margin-top: .5rem; }
.kb2-btn:hover { border-color: var(--kb-line-strong); background: var(--kb-soft); }
.kb2-btn .kb2-ic-sm { color: var(--kb-muted); }

/* Шапка статьи */
.kb2-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: .375rem; margin-bottom: 1.25rem; font-size: .8125rem; }
.kb2-crumbs a { color: var(--kb-muted); text-decoration: none; }
.kb2-crumbs a:hover { color: var(--kb-ink); }
.kb2-crumbs .kb2-ic-sm { width: 14px; height: 14px; color: var(--kb-line-strong); }
.kb2-h1 {
  font-size: 2rem; line-height: 1.18; font-weight: 650; letter-spacing: -.022em;
  color: var(--kb-ink); margin: 0;
}
@media (min-width: 640px) { .kb2-h1 { font-size: 3rem; line-height: 1.12; } }
.kb2-lead { margin: 1.25rem 0 0; font-size: 1.3125rem; line-height: 1.55; color: var(--kb-text-2); }
.kb2-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: .375rem 1rem;
  margin: 1.75rem 0 0; padding-bottom: 2.5rem; border-bottom: 1px solid var(--kb-line);
  font-size: .8125rem; color: var(--kb-muted);
}
.kb2-meta span { display: inline-flex; align-items: center; gap: .375rem; }
.kb2-meta .kb2-ic-sm { width: 15px; height: 15px; color: var(--kb-faint); }

/* Мобильные «Разделы» и «Содержание» */
.kb2-mobile-bar { display: flex; gap: .5rem; margin: 1.25rem 0 0; }
@media (min-width: 1024px) { .kb2-mobile-bar .kb2-mobile-toc { display: none; } }
@media (min-width: 1500px) { .kb2-mobile-bar { display: none; } }
.kb2-mobile-bar > div { position: relative; flex: 1 1 0; min-width: 0; }
.kb2-mobile-bar button.kb2-btn { justify-content: space-between; }
.kb2-drop {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + .375rem);
  max-height: 60vh; overflow-y: auto; padding: .5rem;
  background: var(--kb-card); border: 1px solid var(--kb-line); border-radius: 12px; box-shadow: var(--kb-shadow);
}
.kb2-drop a { display: block; padding: .5rem .625rem; border-radius: 8px; font-size: .875rem; color: var(--kb-text); text-decoration: none; }
.kb2-drop a:hover, .kb2-drop a.is-active { background: var(--kb-soft); color: var(--kb-ink); }
.kb2-drop p { margin: .5rem .625rem .25rem; font-size: .75rem; font-weight: 600; color: var(--kb-faint); text-transform: uppercase; letter-spacing: .05em; }

/* ─── Текст статьи ──────────────────────────────────────────────────── */
.kb-content {
  font-size: 1.125rem; line-height: 1.78; color: var(--kb-text);
  overflow-wrap: break-word; min-width: 0;
  padding-top: 3rem;
}
.kb-content > :first-child { margin-top: 0; }
.kb-content p { margin: 0 0 1.35em; }
.kb-content h2 {
  font-size: 1.75rem; line-height: 1.25; font-weight: 650; letter-spacing: -.018em;
  color: var(--kb-ink); margin: 3.25em 0 1em; scroll-margin-top: 6rem;
}
.kb-content h3 {
  font-size: 1.25rem; line-height: 1.4; font-weight: 600; color: var(--kb-ink);
  margin: 2.75em 0 .75em; scroll-margin-top: 6rem;
}
.kb-content h4 { font-size: 1.0625rem; font-weight: 600; color: var(--kb-ink); margin: 1.5em 0 .375em; }
.kb-content strong, .kb-content b { color: var(--kb-ink); font-weight: 600; }
.kb-content ul, .kb-content ol { margin: 0 0 1.25em; padding-left: 1.375em; }
.kb-content ul { list-style: none; }
.kb-content ul > li { position: relative; }
.kb-content ul > li::before {
  content: ''; position: absolute; left: -1em; top: .72em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--kb-bullet);
}
.kb-content ol { list-style: decimal; }
.kb-content ol > li::marker { color: var(--kb-muted); font-weight: 500; }
.kb-content li { margin: 0 0 .5em; padding-left: .125em; }
.kb-content li > ul, .kb-content li > ol { margin: .5em 0 .25em; }
.kb-content a {
  color: var(--kb-accent); font-weight: 500; text-decoration: none;
  transition: color .15s;
}
.kb-content a:hover { color: var(--kb-accent-ink); }
.kb-content code {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .875em; color: var(--kb-code-ink); background: var(--kb-hover); padding: .125em .375em; border-radius: 6px;
}
.kb-content hr { border: 0; border-top: 1px solid var(--kb-line); margin: 2.5em 0; }
.kb-content img { max-width: 100%; height: auto; }

/* Таблицы - и новые, и старых статей (.kb-table) */
.kb-content table {
  width: 100%; border-collapse: separate; border-spacing: 0; margin: 0;
  font-size: .9375rem; line-height: 1.55;
}
.kb2-table, .kb-table-scroll {
  margin: 2.25em 0; overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card);
}
.kb2-table table, .kb-table-scroll > table { min-width: 34rem; }
.kb-content th {
  text-align: left; font-weight: 600; color: var(--kb-ink); background: var(--kb-soft);
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--kb-line); font-size: .9375rem;
}
.kb-content td { font-size: 1rem; line-height: 1.6; padding: 1rem 1.25rem; border-bottom: 1px solid var(--kb-line-soft); vertical-align: top; color: var(--kb-text); }
.kb-content tr:last-child td { border-bottom: 0; }
.kb-content td:first-child { color: var(--kb-ink); font-weight: 500; }
.kb-content td .kb2-muted { color: var(--kb-muted); font-weight: 400; }

/* ─── Значки ────────────────────────────────────────────────────────── */
.kb2-ic { width: 20px; height: 20px; flex-shrink: 0; }
.kb2-ic-sm { width: 16px; height: 16px; flex-shrink: 0; }
.kb2-ic-inline { width: 1.05em; height: 1.05em; display: inline-block; vertical-align: -.16em; color: var(--kb-muted); }

/* ─── «Коротко» ─────────────────────────────────────────────────────── */
.kb2-summary {
  margin: 0 0 3rem; padding: 1.75rem 2rem;
  border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-soft);
}
.kb2-summary-title {
  margin: 0 0 .625rem !important; font-size: .75rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--kb-muted);
}
.kb2-summary ul { margin: 0 !important; }
.kb2-summary li { margin-bottom: .625em; font-size: 1.0625rem; }
.kb2-summary li:last-child { margin-bottom: 0; }
.kb2-summary li::before { background: var(--kb-accent) !important; opacity: .55; }

/* ─── Заметки ───────────────────────────────────────────────────────── */
.kb2-note {
  display: flex; gap: 1rem; margin: 2.25em 0; padding: 1.375rem 1.5rem;
  border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-soft);
  font-size: 1rem; line-height: 1.65;
}
.kb2-note > .kb2-ic { margin-top: .125rem; }
.kb2-note-info > .kb2-ic { color: #6366f1; }
.kb2-note-tip > .kb2-ic { color: #059669; }
.kb2-note-warn > .kb2-ic { color: #d97706; }
.kb2-note-ok > .kb2-ic { color: #059669; }
.kb2-note-body { min-width: 0; flex: 1; }
.kb2-note-body > :last-child { margin-bottom: 0; }
.kb2-note-title { margin: 0 0 .25rem !important; font-weight: 600; color: var(--kb-ink); }
.kb2-note-warn { background: var(--kb-warn-bg); border-color: var(--kb-warn-line); }

/* ─── Шаги ──────────────────────────────────────────────────────────── */
.kb-content ol.kb2-steps { list-style: none; padding: 0; margin: 2.25em 0 2.5em; counter-reset: kb2step; }
.kb-content .kb2-step { position: relative; padding: 0 0 2.75em 3.5rem; margin: 0; counter-increment: kb2step; }
.kb-content .kb2-step::before {
  content: counter(kb2step); position: absolute; left: 0; top: -.0625rem;
  width: 2rem; height: 2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-card); border: 1.5px solid var(--kb-line-strong); color: var(--kb-ink);
  font-size: .875rem; font-weight: 600; line-height: 1;
}
.kb-content .kb2-step:not(:last-child)::after {
  content: ''; position: absolute; left: calc(1rem - .75px); top: 2.25rem; bottom: .375rem;
  width: 1.5px; background: var(--kb-line);
}
.kb-content .kb2-step:last-child { padding-bottom: 0; }
.kb2-step-body { min-width: 0; }
.kb2-step-body > :last-child { margin-bottom: 0; }
.kb-content .kb2-step-title { margin: .125rem 0 .625rem; font-size: 1.1875rem; font-weight: 600; }
.kb2-step .kb2-shot { margin: 1.5em 0 .75em; }

/* ─── Схема-путь ────────────────────────────────────────────────────── */
.kb2-flow { margin: 2.75em 0; }
.kb2-flow ol {
  list-style: none !important; margin: 0 !important; padding: 1.75rem !important;
  display: grid; gap: .75rem; grid-template-columns: 1fr;
  border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card);
}
.kb2-flow-item {
  position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: .75rem; align-items: center;
  margin: 0 !important; padding: 0 !important;
}
.kb2-flow-item::before { display: none !important; }
.kb2-flow-ic {
  grid-row: span 2; width: 2.5rem; height: 2.5rem; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-soft); border: 1px solid var(--kb-line); color: var(--kb-text);
}
.kb2-flow-title { font-size: .9375rem; font-weight: 600; color: var(--kb-ink); line-height: 1.35; }
.kb2-flow-sub { font-size: .8125rem; color: var(--kb-muted); line-height: 1.4; }
@media (min-width: 720px) {
  .kb2-flow ol { grid-template-columns: repeat(var(--kb2-n), minmax(0, 1fr)); gap: 0; padding: 1.25rem .5rem !important; }
  .kb2-flow-item {
    grid-template-columns: 1fr; justify-items: center; align-content: start; text-align: center; row-gap: .25rem; padding: 0 .75rem !important;
  }
  .kb2-flow-ic { grid-row: auto; margin-bottom: .375rem; }
  .kb2-flow-item:not(:last-child)::after {
    content: ''; position: absolute; top: 1.25rem; right: -.3125rem; width: .625rem; height: .625rem;
    border-top: 1.5px solid var(--kb-bullet); border-right: 1.5px solid var(--kb-bullet); transform: translateY(-50%) rotate(45deg);
  }
}
.kb2-flow figcaption, .kb2-shot figcaption {
  margin-top: .625rem; font-size: .875rem; line-height: 1.5; color: var(--kb-muted); text-align: center;
}

/* ─── Плитки выбора ─────────────────────────────────────────────────── */
.kb2-cards {
  display: grid; gap: 1rem; margin: 2.25em 0;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
}
@media (min-width: 720px) { .kb2-cards[style] { grid-template-columns: repeat(var(--kb2-cols), minmax(0, 1fr)); } }
.kb2-card { padding: 1.5rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card); }
.kb2-card-ic {
  width: 2.25rem; height: 2.25rem; border-radius: 9px; margin-bottom: .625rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-soft); border: 1px solid var(--kb-line); color: var(--kb-text);
}
.kb-content .kb2-card-title { margin: 0 0 .25rem; font-size: .9375rem; font-weight: 600; color: var(--kb-ink); line-height: 1.35; }
.kb-content .kb2-card-text { margin: 0; font-size: .875rem; line-height: 1.5; color: var(--kb-muted); }

/* ─── Так лучше / так хуже ──────────────────────────────────────────── */
.kb2-pair { display: grid; gap: 1rem; margin: 2.25em 0; grid-template-columns: 1fr; }
@media (min-width: 640px) { .kb2-pair { grid-template-columns: 1fr 1fr; } }
.kb2-example { padding: 1rem 1.125rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card); font-size: .9375rem; line-height: 1.6; }
.kb2-example > :last-child { margin-bottom: 0; }
.kb-content .kb2-example-title { display: flex; align-items: center; gap: .375rem; margin: 0 0 .5rem; font-size: .8125rem; font-weight: 600; letter-spacing: .02em; }
.kb2-example-good .kb2-example-title { color: #047857; }
.kb2-example-bad .kb2-example-title { color: #b91c1c; }
.kb2-example-bad { background: var(--kb-soft); }

/* ─── Вопросы ───────────────────────────────────────────────────────── */
.kb2-faq { border-bottom: 1px solid var(--kb-line); }
.kb2-faq:first-of-type { border-top: 1px solid var(--kb-line); }
.kb2-faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 0; cursor: pointer; list-style: none;
  font-size: 1.0625rem; font-weight: 500; color: var(--kb-ink);
}
.kb2-faq summary::-webkit-details-marker { display: none; }
.kb2-faq summary .kb2-ic-sm { color: var(--kb-faint); transition: transform .15s; }
.kb2-faq[open] summary .kb2-ic-sm { transform: rotate(90deg); }
.kb2-faq-body { padding: 0 0 1.125rem; font-size: 1rem; }
.kb2-faq-body > :last-child { margin-bottom: 0; }

/* ─── Карточки-ссылки ───────────────────────────────────────────────── */
.kb-content a.kb2-link {
  display: flex; align-items: center; gap: 1rem; margin: .75rem 0;
  padding: .875rem 1.125rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card);
  color: inherit; font-weight: 400; transition: border-color .15s, box-shadow .15s;
}
.kb-content a.kb2-link:hover { border-color: var(--kb-hover-line); box-shadow: 0 6px 18px -12px rgba(79, 70, 229, .45); }
.kb2-link-body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.kb2-link-kicker { font-size: .75rem; color: var(--kb-faint); line-height: 1.3; }
.kb2-link-title { font-size: .9375rem; font-weight: 600; color: var(--kb-ink); line-height: 1.4; }
.kb2-link-desc { font-size: .8125rem; color: var(--kb-muted); line-height: 1.45; margin-top: .125rem; }
.kb2-link-arrow { color: var(--kb-faint); }
.kb2-link:hover .kb2-link-arrow { color: var(--kb-accent); }
.kb2-links { display: grid; gap: .75rem; grid-template-columns: 1fr; margin: 1.25em 0; }
@media (min-width: 640px) { .kb2-links { grid-template-columns: 1fr 1fr; } }
.kb2-links .kb2-link { margin: 0 !important; align-items: flex-start; }

/* ─── Скриншоты ─────────────────────────────────────────────────────── */
.kb2-shot { margin: 2.75em 0; }
.kb2-shot-frame {
  max-width: min(100%, var(--kb2-shot-w, 100%));
  margin: 0 auto; border: 1px solid var(--kb-line); border-radius: var(--kb-radius);
  background: var(--kb-card); box-shadow: var(--kb-shadow); overflow: hidden;
}
.kb2-shot-window .kb2-shot-frame { border-color: var(--kb-line); }
.kb2-shot-bar {
  display: flex; align-items: center; gap: .375rem; height: 2.125rem; padding: 0 .875rem;
  background: var(--kb-soft); border-bottom: 1px solid var(--kb-line);
}
.kb2-shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--kb-line-strong); }
.kb2-shot-bar span {
  margin: 0 auto; transform: translateX(-1.25rem); padding: .125rem .875rem; border-radius: 6px;
  background: var(--kb-card); border: 1px solid var(--kb-line); font-size: .6875rem; color: var(--kb-faint);
  max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kb2-shot-img {
  position: relative; display: block; width: 100%; padding: 0; margin: 0; border: 0;
  background: var(--kb-soft); cursor: zoom-in;
}
.kb2-shot-img img { display: block; width: 100%; height: 100%; object-fit: cover; }
.kb2-shot-img { background: var(--st-l, var(--kb-soft)); }
.kb2-shot-img .kb2-img-d { display: none; }
html[data-theme="dark"] .kb2-shot-img { background: var(--st-d, var(--kb-soft)); }
html[data-theme="dark"] .kb2-shot-img.has-dark .kb2-img-l { display: none; }
html[data-theme="dark"] .kb2-shot-img.has-dark .kb2-img-d { display: block; }
/* Снимок нарочно начат или закончен на середине длинной карточки: край
   растворяется, а не обрывается линией. */
.kb2-shot-img[data-cut~="top"]::before,
.kb2-shot-img[data-cut~="bottom"]::after {
  content: ""; position: absolute; left: 0; right: 0; z-index: 1; height: min(14%, 64px); pointer-events: none;
}
.kb2-shot-img[data-cut~="top"]::before { top: 0; background: linear-gradient(var(--kb-card), transparent); }
.kb2-shot-img[data-cut~="bottom"]::after { bottom: 0; background: linear-gradient(transparent, var(--kb-card)); }
.kb2-shot-zoom {
  position: absolute; right: .625rem; top: .625rem; width: 2rem; height: 2rem; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(17, 24, 39, .66); color: #fff; opacity: 0; transition: opacity .15s;
}
.kb2-shot-img:hover .kb2-shot-zoom, .kb2-shot-img:focus-visible .kb2-shot-zoom { opacity: 1; }
.kb2-hs {
  position: absolute; z-index: 2; transform: translate(-50%, -50%);
  width: 1.625rem; height: 1.625rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-accent); color: #fff; font-size: .8125rem; font-weight: 600; line-height: 1;
  box-shadow: 0 0 0 3px var(--kb-hs-ring), 0 6px 14px -4px rgba(49, 46, 129, .55);
  pointer-events: none;
}
.kb2-hs[data-at="left"] { transform: translate(calc(-100% - 6px), -50%); }
.kb2-hs[data-at="right"] { transform: translate(6px, -50%); }
.kb2-hs[data-at="top"] { transform: translate(-50%, calc(-100% - 6px)); }
.kb2-hs[data-at="bottom"] { transform: translate(-50%, 6px); }
@media (max-width: 640px) {
  .kb2-hs { width: 1.125rem; height: 1.125rem; font-size: .625rem; box-shadow: 0 0 0 2px var(--kb-hs-ring), 0 3px 8px -3px rgba(49, 46, 129, .55); }
  .kb2-hs[data-at="left"] { transform: translate(calc(-100% - 3px), -50%); }
  .kb2-hs[data-at="right"] { transform: translate(3px, -50%); }
  .kb2-hs[data-at="top"] { transform: translate(-50%, calc(-100% - 3px)); }
  .kb2-hs[data-at="bottom"] { transform: translate(-50%, 3px); }
}
.kb2-ring {
  position: absolute; z-index: 1; border: 2px solid var(--kb-accent); border-radius: 10px;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .14); pointer-events: none;
}
.kb2-shot-narrow .kb2-shot-frame { max-width: min(100%, 520px); }
.kb2-shot-missing > div {
  padding: 2.5rem 1rem; border: 1.5px dashed var(--kb-line-strong); border-radius: var(--kb-radius);
  text-align: center; font-size: .875rem; color: var(--kb-faint);
}
.kb-content ol.kb2-legend { list-style: none; padding: 0; margin: 1rem auto 0; counter-reset: kb2leg; max-width: min(100%, var(--kb2-shot-w, 100%)); }
.kb2-legend li {
  position: relative; counter-increment: kb2leg; padding-left: 2.125rem; margin-bottom: .5rem;
  font-size: .9375rem; line-height: 1.55;
}
.kb2-legend li::before {
  content: counter(kb2leg); position: absolute; left: 0; top: .0625rem;
  width: 1.375rem; height: 1.375rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-accent); color: #fff; font-size: .75rem; font-weight: 600;
}

/* Скриншот крупно */
.kb2-zoom {
  position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center;
  padding: 3.5rem 1.25rem 1.25rem; background: rgba(17, 24, 39, .78); backdrop-filter: blur(3px);
  cursor: zoom-out;
}
.kb2-zoom img { max-width: 100%; max-height: 100%; border-radius: 12px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .6); background: var(--kb-card); }
.kb2-zoom-x {
  position: absolute; top: .875rem; right: .875rem; width: 2.5rem; height: 2.5rem; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, .12); color: #fff;
}
.kb2-zoom-x:hover { background: rgba(255, 255, 255, .2); }

/* ─── Низ статьи ────────────────────────────────────────────────────── */
.kb2-foot { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--kb-line); }
.kb2-vote { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1.5rem; }
.kb2-vote p { margin: 0; font-size: .9375rem; font-weight: 500; color: var(--kb-ink); }
.kb2-vote-btns { display: flex; gap: .5rem; }
.kb2-vote-btns .kb2-btn { width: auto; padding: .4375rem .875rem; margin: 0 !important; }
.kb2-pn { display: grid; gap: .75rem; margin-top: 1.75rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .kb2-pn { grid-template-columns: 1fr 1fr; } }
.kb2-pn a {
  display: flex; flex-direction: column; gap: .125rem; padding: .875rem 1.125rem;
  border: 1px solid var(--kb-line); border-radius: 12px; text-decoration: none; background: var(--kb-card);
  transition: border-color .15s;
}
.kb2-pn a:hover { border-color: var(--kb-hover-line); }
.kb2-pn a.is-next { text-align: right; grid-column: -2; }
.kb2-pn small { font-size: .75rem; color: var(--kb-faint); }
.kb2-pn b { font-size: .9375rem; font-weight: 600; color: var(--kb-ink); }

/* ─── Старые статьи (content.py) в новом тоне ───────────────────────── */
.kb-content .kb-steps { margin: 1.75em 0 2em; }
.kb-content .kb-step { position: relative; display: block; padding: 0 0 1.75em 3rem; }
.kb-content .kb-step:last-child { padding-bottom: 0; }
.kb-content .kb-step:not(:last-child)::before {
  content: ''; position: absolute; left: calc(1rem - .75px); top: 2.25rem; bottom: .375rem;
  width: 1.5px; background: var(--kb-line); transform: none;
}
.kb-content .kb-step-number {
  position: absolute; left: 0; top: -.0625rem; width: 2rem; height: 2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-card); border: 1.5px solid var(--kb-line-strong); color: var(--kb-ink); box-shadow: none;
  font-size: .875rem; font-weight: 600;
}
.kb-content .kb-step-content { min-width: 0; }
.kb-content .kb-step-content h4 { margin: .1875rem 0 .375rem; font-size: 1.0625rem; font-weight: 600; }
.kb-content .kb-step-content > :last-child { margin-bottom: 0; }
.kb-content .kb-callout {
  display: flex; gap: .875rem; margin: 1.75em 0; padding: 1rem 1.125rem;
  border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-soft);
  color: var(--kb-text); font-size: 1rem; line-height: 1.65;
}
.kb-content .kb-callout > div:not(.kb-callout-icon) { min-width: 0; flex: 1; }
.kb-content .kb-callout-icon { flex-shrink: 0; margin-top: .0625rem; }
.kb-content .kb-callout-info .kb-callout-icon { color: #6366f1; }
.kb-content .kb-callout-success .kb-callout-icon { color: #059669; }
.kb-content .kb-callout-warning { background: var(--kb-warn-bg); border-color: var(--kb-warn-line); }
.kb-content .kb-callout-warning .kb-callout-icon { color: #d97706; }
.kb-content a.kb-link-card {
  display: flex; align-items: center; gap: .875rem; margin: .75rem 0; padding: .875rem 1.125rem;
  border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card); transition: border-color .15s;
}
.kb-content a.kb-link-card:hover { border-color: var(--kb-hover-line); }
.kb-content .kb-link-card-icon {
  width: 2rem; height: 2rem; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-soft); border: 1px solid var(--kb-line); color: var(--kb-muted);
}
.kb-content .kb-link-card-body { flex: 1; min-width: 0; }
.kb-content .kb-link-card-title { font-size: .9375rem; font-weight: 600; color: var(--kb-ink); }
.kb-content .kb-link-card-desc { font-size: .8125rem; font-weight: 400; color: var(--kb-muted); margin-top: .125rem; }
.kb-content .kb-link-card-arrow { color: var(--kb-faint); flex-shrink: 0; }
.kb-content .kb-inline-link { color: var(--kb-accent); font-weight: 500; border: 0; }
.kb-content .kb-features-grid { display: grid; gap: .75rem; margin: 1.5em 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.kb-content .kb-feature-card { padding: 1rem 1.125rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card); }
.kb-content .kb-feature-card h4 { margin: .625rem 0 .25rem; font-size: .9375rem; }
.kb-content .kb-feature-card p { margin: 0; font-size: .875rem; color: var(--kb-muted); line-height: 1.5; }
.kb-content .kb-feature-icon {
  width: 2.25rem; height: 2.25rem; border-radius: 9px; display: flex; align-items: center; justify-content: center;
  background: var(--kb-soft) !important; border: 1px solid var(--kb-line); color: var(--kb-text) !important;
}
.kb-content .kb-feature-icon svg { width: 20px; height: 20px; }
.kb-content .kb-details { margin: 0; border: 0; border-bottom: 1px solid var(--kb-line); border-radius: 0; }
.kb-content .kb-details-summary {
  display: flex; align-items: center; gap: .5rem; padding: 1rem 0; background: none; cursor: pointer;
  font-size: 1.0625rem; font-weight: 500; color: var(--kb-ink);
}
.kb-content .kb-details-summary:hover { background: none; }
.kb-content .kb-details-body { padding: 0 0 1rem; border: 0; font-size: 1rem; }
.kb-content .kb-term { border-bottom: 1px dashed var(--kb-focus); color: inherit; font-weight: inherit; cursor: help; position: relative; }
.kb-content .kb-term-tooltip {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); z-index: 30;
  width: max-content; max-width: 300px; padding: .625rem .875rem; border-radius: 10px;
  background: #111827; color: #e5e7eb; font-size: .8125rem; line-height: 1.5; font-weight: 400;
  box-shadow: var(--kb-shadow); pointer-events: none;
}
.kb-content .kb-code-block { position: relative; margin: 1.5em 0; }
.kb-content .kb-code-block pre {
  margin: 0; padding: 1.125rem 3.25rem 1.125rem 1.25rem; overflow-x: auto; border-radius: 12px;
  background: #111827; color: #e5e7eb; font-size: .8125rem; line-height: 1.7;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.kb-content .kb-code-block pre code { background: none; color: inherit; padding: 0; font-size: inherit; }
.kb-content .kb-copy-btn {
  position: absolute; top: .5rem; right: .5rem; width: 2rem; height: 2rem; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .1); color: #9ca3af;
}
.kb-content .kb-copy-btn.copied { color: #34d399; }
.kb-content .kb-status-item { display: flex; gap: .75rem; padding: .75rem 0; border-bottom: 1px solid var(--kb-line-soft); }
.kb-content .kb-status-badge { padding: .1875rem .625rem; border-radius: 7px; font-size: .8125rem; font-weight: 500; white-space: nowrap; flex-shrink: 0; }
.kb-content .kb-status-item p { margin: 0; font-size: .9375rem; }
.kb-content .kb-comparison, .kb-content .kb-plans { display: grid; gap: 1rem; margin: 1.5em 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.kb-content .kb-comparison-card, .kb-content .kb-plan-card { border: 1px solid var(--kb-line); border-radius: 12px; overflow: hidden; background: var(--kb-card); }
.kb-content .kb-comparison-header { padding: 1rem 1.25rem; display: flex; align-items: center; gap: .75rem; border-bottom: 1px solid var(--kb-line); }
.kb-content .kb-comparison-header h3 { margin: 0; font-size: 1.0625rem; }
.kb-content .kb-comparison-body { padding: 1rem 1.25rem; font-size: .9375rem; }
.kb-content .kb-plan-header { padding: 1.25rem; text-align: center; }
.kb-content .kb-plan-header h3 { margin: 0 0 .25rem; font-size: 1.125rem; }
.kb-content .kb-plan-features { list-style: none; padding: .5rem 1.25rem 1.25rem; margin: 0; }
.kb-content .kb-plan-features li { font-size: .875rem; }
.kb-content .kb-plan-popular { border-color: var(--kb-hover-line); }
.kb-content .kb-plan-badge { display: inline-block; margin-top: .75rem; padding: .125rem .625rem; border-radius: 999px; background: var(--kb-accent-soft); color: var(--kb-accent-ink); font-size: .6875rem; font-weight: 600; }

/* ─── Главная и разделы базы знаний: тот же язык, что у блога ───────── */
.kb2-mast {
  position: relative; overflow: hidden; border-bottom: 1px solid var(--kb-hover);
  background:
    radial-gradient(60rem 22rem at 85% -6rem, rgba(124, 58, 237, .10), transparent 70%),
    radial-gradient(40rem 20rem at 5% -4rem, rgba(79, 70, 229, .08), transparent 70%),
    #fff;
}
.kb2-mast::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--kb-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--kb-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .7), transparent 85%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .7), transparent 85%);
}
.kb2-mast-in {
  position: relative; max-width: 80rem; margin: 0 auto; padding: 3rem 1rem 2.5rem;
  display: grid; gap: 2rem; align-items: end;
}
@media (min-width: 640px) { .kb2-mast-in { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .kb2-mast-in { grid-template-columns: minmax(0, 1fr) 400px; gap: 4rem; padding: 4rem 2rem 3rem; } }
.kb2-dot-kicker { display: inline-flex; align-items: center; gap: .5rem; margin: 0; font-size: .875rem; font-weight: 600; color: #4338ca; }
.kb2-dot-kicker::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--kb-accent); }
.kb2-mast h1 {
  margin: .75rem 0 0; font-size: 2.25rem; line-height: 1.05; font-weight: 900; letter-spacing: -.025em; color: var(--kb-ink);
}
@media (min-width: 640px) { .kb2-mast h1 { font-size: 3rem; } }
.kb2-grad {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.kb2-mast-sub { margin: 1rem 0 0; max-width: 42rem; font-size: 1.125rem; line-height: 1.6; color: var(--kb-muted); }
.kb2-search { position: relative; }
.kb2-search input {
  width: 100%; height: 3rem; padding: 0 1rem 0 3rem; border: 1px solid var(--kb-line); border-radius: 1rem;
  background: var(--kb-card); font-size: .9375rem; color: var(--kb-ink); outline: none;
  box-shadow: 0 1px 2px rgba(17, 24, 39, .03); transition: border-color .15s, box-shadow .15s;
}
.kb2-search input::placeholder { color: var(--kb-faint); }
.kb2-search input:focus { border-color: var(--kb-focus); box-shadow: 0 0 0 4px rgba(79, 70, 229, .1); }
.kb2-search > .kb2-ic { position: absolute; left: 1rem; top: 1.5rem; transform: translateY(-50%); color: var(--kb-faint); pointer-events: none; }
.kb2-search-drop {
  position: absolute; z-index: 40; left: 0; right: 0; top: 3.5rem; padding: .375rem;
  background: var(--kb-card); border-radius: 1rem; box-shadow: 0 20px 40px -12px rgba(17, 24, 39, .18), 0 0 0 1px rgba(17, 24, 39, .05);
}
.kb2-search-drop a { display: block; padding: .625rem .75rem; border-radius: .75rem; text-decoration: none; }
.kb2-search-drop a:hover { background: var(--kb-soft); }
.kb2-search-drop b { display: block; font-size: .875rem; font-weight: 600; color: var(--kb-ink); }
.kb2-search-drop small { font-size: .75rem; color: var(--kb-muted); }
.kb2-search-drop p { margin: 0; padding: .75rem; font-size: .875rem; color: var(--kb-muted); }
.kb2-search-drop .kb2-search-all { border-top: 1px solid var(--kb-line-soft); margin-top: .25rem; font-size: .8125rem; font-weight: 600; color: var(--kb-accent); }
.kb2-popular { margin: .75rem 0 0; font-size: .8125rem; line-height: 1.7; color: var(--kb-faint); }
.kb2-popular a { color: var(--kb-muted); font-weight: 500; text-decoration: none; }
.kb2-popular a:hover { color: var(--kb-accent-ink); }

/* Полоса разделов под шапкой - как темы блога */
.kb2-topics { position: sticky; z-index: 30; top: var(--site-hdr, 64px); background: var(--kb-bar); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(229, 231, 235, .8); }
.kb2-topics-in { max-width: 80rem; margin: 0 auto; padding: 0 1rem; overflow-x: auto; scrollbar-width: none; }
@media (min-width: 1024px) { .kb2-topics-in { padding: 0 2rem; } }
.kb2-topics ul { display: flex; align-items: center; gap: .375rem; width: max-content; height: 3.5rem; margin: 0; padding: 0; list-style: none; }
.kb2-topic {
  display: inline-flex; align-items: center; gap: .5rem; height: 2.25rem; padding: 0 .875rem; border-radius: .75rem;
  font-size: .875rem; font-weight: 600; white-space: nowrap; color: var(--kb-text-2); text-decoration: none; transition: background-color .15s, color .15s;
}
.kb2-topic:hover { background: var(--kb-hover); color: var(--kb-ink); }
.kb2-topic.is-active { background: var(--kb-inv-bg); color: var(--kb-inv-ink); }
.kb2-topic small { font-size: .75rem; font-weight: 500; color: var(--kb-faint); font-variant-numeric: tabular-nums; }
.kb2-topic.is-active small { color: rgba(255, 255, 255, .6); }

.kb2-body { max-width: 80rem; margin: 0 auto; padding: 2.5rem 1rem 5rem; }
@media (min-width: 640px) { .kb2-body { padding-left: 1.5rem; padding-right: 1.5rem; } }
@media (min-width: 1024px) { .kb2-body { padding-left: 2rem; padding-right: 2rem; } }

/* Главная карточка «Начните здесь» */
.kb2-feat { display: grid; gap: 1.5rem; align-items: center; margin-bottom: 4.5rem; }
@media (min-width: 1024px) { .kb2-feat { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 3rem; margin-bottom: 5rem; } }
.kb2-feat-media {
  position: relative; display: block; aspect-ratio: 3 / 2; border-radius: 1.5rem; overflow: hidden;
  background: linear-gradient(140deg, #eef2ff 0%, #f5f3ff 55%, #fdf4ff 100%);
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, .05), 0 2px 6px rgba(16, 24, 40, .04), 0 24px 48px -20px rgba(49, 46, 129, .22);
}
.kb2-feat-media img {
  position: absolute; left: 7%; top: 9%; width: 108%; max-width: none; height: auto;
  border-radius: .875rem; box-shadow: 0 0 0 1px rgba(17, 24, 39, .06), 0 24px 50px -18px rgba(30, 27, 75, .45);
  transition: transform .7s cubic-bezier(.2, .7, .2, 1);
}
.kb2-feat:hover .kb2-feat-media img { transform: translateY(-4px); }
.kb2-feat-tags { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .75rem; font-size: .75rem; }
.kb2-feat-tags b { display: inline-flex; padding: .125rem .5rem; border-radius: .375rem; background: var(--kb-inv-bg); color: var(--kb-inv-ink); font-weight: 600; letter-spacing: .02em; }
.kb2-feat-tags span { display: inline-flex; align-items: center; gap: .375rem; font-weight: 600; color: #4338ca; }
.kb2-feat-tags span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--kb-accent); }
.kb2-feat h2 { margin: 1rem 0 0; font-size: 1.875rem; line-height: 1.12; font-weight: 900; letter-spacing: -.025em; color: var(--kb-ink); }
@media (min-width: 1280px) { .kb2-feat h2 { font-size: 2.5rem; } }
.kb2-feat h2 a { color: inherit; text-decoration: none; }
.kb2-feat h2 a:hover { color: var(--kb-accent); }
.kb2-feat-lead { margin: 1rem 0 0; font-size: 1.0625rem; line-height: 1.65; color: var(--kb-muted); }
.kb2-feat ol { list-style: none; margin: 1.5rem 0 0; padding: 0; counter-reset: kb2f; display: grid; gap: .125rem; }
.kb2-feat li { counter-increment: kb2f; }
.kb2-feat li a {
  display: flex; align-items: center; gap: .75rem; padding: .5rem 0; text-decoration: none;
  color: var(--kb-ink); font-size: .9375rem; font-weight: 600;
}
.kb2-feat li a::before {
  content: counter(kb2f); flex-shrink: 0; width: 1.75rem; height: 1.75rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--kb-line-strong); font-size: .75rem; font-weight: 600; color: var(--kb-text); background: var(--kb-card);
}
.kb2-feat li a > span { display: flex; flex-direction: column; min-width: 0; }
.kb2-feat li a b { font-weight: 600; }
.kb2-feat li a > span > span { font-size: .8125rem; font-weight: 400; color: var(--kb-muted); }
.kb2-feat li a small { margin-left: auto; padding-left: .75rem; font-size: .75rem; font-weight: 500; color: var(--kb-faint); white-space: nowrap; }
.kb2-feat li a:hover { color: var(--kb-accent-ink); }
.kb2-feat li a:hover::before { border-color: var(--kb-focus); color: var(--kb-accent); }
.kb2-feat-btns { display: flex; flex-wrap: wrap; gap: .625rem; margin-top: 1.75rem; }
.kb2-cta {
  display: inline-flex; align-items: center; gap: .5rem; height: 2.75rem; padding: 0 1.125rem; border-radius: .875rem;
  font-size: .9375rem; font-weight: 500; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background .15s, border-color .15s;
}
.kb2-cta-p { background: var(--kb-accent); color: #fff; box-shadow: 0 6px 18px -8px rgba(79, 70, 229, .7); }
.kb2-cta-p:hover { background: #4338ca; }
.kb2-cta-s { background: var(--kb-card); color: var(--kb-ink); border-color: var(--kb-line); }
.kb2-cta-s:hover { border-color: var(--kb-line-strong); background: var(--kb-soft); }

.kb2-rule { display: flex; align-items: center; gap: 1rem; margin: 0 0 2rem; }
.kb2-rule h2 { margin: 0; flex-shrink: 0; font-size: .875rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--kb-faint); }
.kb2-rule::after { content: ""; flex: 1; height: 1px; background: var(--kb-line); }

/* Карточки разделов: обложка - живой экран продукта в мягкой подложке */
.kb2-cats { display: grid; gap: 3rem 2rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .kb2-cats { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .kb2-cats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.kb2-cat { position: relative; display: flex; flex-direction: column; scroll-margin-top: 8rem; }
.kb2-cover {
  position: relative; display: block; aspect-ratio: 16 / 10; border-radius: 1.25rem; overflow: hidden;
  background: linear-gradient(140deg, var(--c1, #eef2ff), var(--c2, #f5f3ff));
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, .05);
}
.kb2-cover img {
  position: absolute; left: 9%; top: 11%; width: 128%; max-width: none; height: auto;
  border-radius: .625rem; box-shadow: 0 0 0 1px rgba(17, 24, 39, .06), 0 18px 40px -16px rgba(30, 27, 75, .4);
  transition: transform .6s cubic-bezier(.2, .7, .2, 1);
}
.kb2-cat:hover .kb2-cover img { transform: translate(-6px, -4px); }
.kb2-cat-meta { display: flex; align-items: center; gap: .5rem; margin-top: 1.25rem; font-size: .75rem; font-weight: 600; color: var(--kb-muted); }
.kb2-cat-meta i { width: 6px; height: 6px; border-radius: 50%; background: var(--c3, var(--kb-accent)); }
.kb2-cat h3 { margin: .5rem 0 0; font-size: 1.1875rem; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; color: var(--kb-ink); }
.kb2-cat h3 a { color: inherit; text-decoration: none; }
.kb2-cat:hover h3 a { color: var(--kb-accent); }
.kb2-cat > p { margin: .5rem 0 0; font-size: .9375rem; line-height: 1.55; color: var(--kb-muted); }
.kb2-cat ul { list-style: none; margin: .875rem 0 0; padding: 0; }
.kb2-cat li a {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .4375rem 0;
  border-top: 1px solid var(--kb-line-soft); font-size: .875rem; color: var(--kb-text); text-decoration: none;
}
.kb2-cat li a:hover { color: var(--kb-accent-ink); }
.kb2-cat li a .kb2-ic-sm { color: var(--kb-line-strong); }
.kb2-cat-more { align-self: flex-start; margin-top: .5rem; font-size: .8125rem; font-weight: 600; color: var(--kb-accent); text-decoration: none; }
.kb2-cat-more:hover { color: var(--kb-accent-ink); }

/* Помощь внизу */
.kb2-asks { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-top: 5rem; }
@media (min-width: 768px) { .kb2-asks { grid-template-columns: 1fr 1fr; } }
.kb2-ask {
  display: flex; align-items: center; gap: 1rem; padding: 1.5rem; border-radius: 1.25rem; text-decoration: none;
  background: var(--kb-soft); box-shadow: inset 0 0 0 1px var(--kb-line-soft); transition: box-shadow .15s, background .15s;
}
.kb2-ask:hover { background: var(--kb-card); box-shadow: inset 0 0 0 1px var(--kb-hover-line), 0 12px 30px -18px rgba(79, 70, 229, .5); }
.kb2-ask-ic { width: 3rem; height: 3rem; border-radius: .875rem; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--kb-card); box-shadow: inset 0 0 0 1px var(--kb-line); color: var(--kb-accent); }
.kb2-ask-ic svg { width: 22px; height: 22px; }
.kb2-ask b { display: block; font-size: 1.0625rem; font-weight: 700; color: var(--kb-ink); }
.kb2-ask small { display: block; margin-top: .125rem; font-size: .875rem; line-height: 1.5; color: var(--kb-muted); }
.kb2-ask .kb2-ic-sm { margin-left: auto; color: var(--kb-faint); }

/* Страница раздела */
.kb2-cat-ic {
  width: 2.5rem; height: 2.5rem; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--kb-soft); border: 1px solid var(--kb-line); color: var(--kb-text);
}
.kb2-cat-ic svg { width: 20px; height: 20px; }
.kb2-wrap { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.kb2-sec { padding: 3.5rem 0 0; }
.kb2-sec:last-child { padding-bottom: 5rem; }
.kb2-sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.kb2-sec-head h2 { margin: 0; font-size: 1.375rem; font-weight: 650; letter-spacing: -.015em; color: var(--kb-ink); }
.kb2-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.kb2-chips a { padding: .3125rem .75rem; border: 1px solid var(--kb-line); border-radius: 999px; background: var(--kb-card); font-size: .8125rem; color: var(--kb-text); text-decoration: none; }
.kb2-chips a:hover { border-color: var(--kb-line-strong); color: var(--kb-ink); }

.kb2-list { border: 1px solid var(--kb-line); border-radius: var(--kb-radius); background: var(--kb-card); overflow: hidden; }
.kb2-list a { display: flex; align-items: flex-start; gap: 1rem; padding: 1.125rem 1.25rem; border-bottom: 1px solid var(--kb-line-soft); text-decoration: none; }
.kb2-list a:last-child { border-bottom: 0; }
.kb2-list a:hover { background: var(--kb-soft); }
.kb2-list b { display: block; font-size: 1rem; font-weight: 600; color: var(--kb-ink); }
.kb2-list small { display: block; margin-top: .125rem; font-size: .875rem; line-height: 1.5; color: var(--kb-muted); }
.kb2-list em { margin-left: auto; flex-shrink: 0; font-style: normal; font-size: .8125rem; color: var(--kb-faint); white-space: nowrap; }


/* ─── Темная тема: та же, что выбрана в кабинете (кука tp_theme,
   components/app_shell/_theme_head.html). Палитра - как у кабинета:
   холст #0d0f14, плиты #15171c. Скриншоты в темной теме - свои
   (<id>.dark.webp), светлого пятна на темной странице нет. ──────────── */
html[data-theme="dark"] {
  --kb-ink: #f3f4f6;
  --kb-text: #c9ccd3;
  --kb-text-2: #b4b9c3;
  --kb-muted: #9096a3;
  --kb-faint: #6b7280;
  --kb-line: #262932;
  --kb-line-soft: #1d2027;
  --kb-line-strong: #3a3f4b;
  --kb-soft: #171a20;
  --kb-page: #0d0f14;
  --kb-card: #15171c;
  --kb-accent: #818cf8;
  --kb-accent-ink: #a5b4fc;
  --kb-accent-soft: rgba(129, 140, 248, .14);
  --kb-hover-line: #4f46e5;
  --kb-focus: #6366f1;
  --kb-bullet: #4b5060;
  --kb-hover: #1f232b;
  --kb-code-ink: #c7d2fe;
  --kb-warn-bg: #1d1910;
  --kb-warn-line: #4a3b17;
  --kb-bar: rgba(13, 15, 20, .86);
  --kb-grid: rgba(255, 255, 255, .035);
  --kb-hs-ring: #0d0f14;
  --kb-inv-bg: #f3f4f6;
  --kb-inv-ink: #111827;
  --kb-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 14px 36px -18px rgba(0, 0, 0, .7);
  color-scheme: dark;
}
html[data-theme="dark"] body { background: var(--kb-page); color: var(--kb-text); }
html[data-theme="dark"] .kb-content code { background: var(--kb-hover); }
html[data-theme="dark"] .kb2-hs { background: #6366f1; }
html[data-theme="dark"] .kb2-legend li::before { background: #6366f1; }
html[data-theme="dark"] .kb2-cta-p { background: #6366f1; }
html[data-theme="dark"] .kb2-example-good .kb2-example-title { color: #34d399; }
html[data-theme="dark"] .kb2-example-bad .kb2-example-title { color: #f87171; }
html[data-theme="dark"] .kb2-zoom img { background: var(--kb-card); }
html[data-theme="dark"] .kb2-mast {
  border-bottom-color: var(--kb-line);
  background:
    radial-gradient(60rem 22rem at 85% -6rem, rgba(124, 58, 237, .18), transparent 70%),
    radial-gradient(40rem 20rem at 5% -4rem, rgba(79, 70, 229, .14), transparent 70%),
    var(--kb-page);
}
html[data-theme="dark"] .kb2-cover,
html[data-theme="dark"] .kb2-feat-media {
  background: linear-gradient(140deg, color-mix(in srgb, var(--c3, #6366f1) 22%, #15171c), #121419);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.kb2-cover .kb2-img-d, .kb2-feat-media .kb2-img-d { display: none; }
html[data-theme="dark"] .kb2-cover:has(.kb2-img-d) .kb2-img-l,
html[data-theme="dark"] .kb2-feat-media:has(.kb2-img-d) .kb2-img-l { display: none; }
html[data-theme="dark"] .kb2-cover .kb2-img-d,
html[data-theme="dark"] .kb2-feat-media .kb2-img-d { display: block; }
html[data-theme="dark"] .kb2-cover img,
html[data-theme="dark"] .kb2-feat-media img { box-shadow: 0 0 0 1px rgba(255, 255, 255, .08), 0 24px 50px -18px rgba(0, 0, 0, .8); }
html[data-theme="dark"] .kb-content .kb-feature-icon,
html[data-theme="dark"] .kb-content .kb-link-card-icon { color: var(--kb-text) !important; }
html[data-theme="dark"] .kb-content .kb-status-badge { filter: brightness(.85) saturate(.9); }
html[data-theme="dark"] .kb-content [class*="bg-"][class*="-50"] { background-color: var(--kb-soft) !important; }

/* Шапка сайта в темной БЗ - тот же «ночной» вариант, что у Студии
   (site-hdr--dark в site-chrome.css), но на холсте кабинета. */
html[data-theme="dark"] .site-hdr { border-bottom-color: rgba(255, 255, 255, .06); }
html[data-theme="dark"] .site-hdr::before { background: rgba(13, 15, 20, .82); }
html[data-theme="dark"] .site-hdr__logo b { color: #fff; }
html[data-theme="dark"] .site-hdr__logo b i { background: linear-gradient(120deg, #c7d2fe, #d8b4fe); -webkit-background-clip: text; background-clip: text; }
html[data-theme="dark"] .site-hdr__nav > a,
html[data-theme="dark"] .site-hdr__login { color: rgba(255, 255, 255, .72); }
html[data-theme="dark"] .site-hdr__nav > a:hover,
html[data-theme="dark"] .site-hdr__login:hover,
html[data-theme="dark"] .site-hdr__nav > a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .08); }
html[data-theme="dark"] .site-hdr__burger { color: #fff; background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14); }
@media (max-width: 1140px) {
  html[data-theme="dark"] .site-hdr.is-open::before,
  html[data-theme="dark"] .site-hdr__drawer { background: #0d0f14; }
  html[data-theme="dark"] .site-hdr__dlist a { border-bottom-color: rgba(255, 255, 255, .08); }
  html[data-theme="dark"] .site-hdr__dlist a b { color: #fff; }
  html[data-theme="dark"] .site-hdr__dlist a span { color: rgba(255, 255, 255, .56); }
}

/* Страница поиска */
.kb2-search-page { max-width: 768px; margin: 0 auto; padding: 2rem 1rem 4rem; }
.kb2-search-title { font-size: 2rem; line-height: 1.2; font-weight: 700; letter-spacing: -.02em; color: var(--kb-ink); margin: .75rem 0 1.25rem; }
.kb2-search-form { display: flex; gap: .5rem; margin-bottom: 1.5rem; }
.kb2-search-form input { flex: 1; min-width: 0; height: 46px; padding: 0 1rem; border: 1px solid var(--kb-line); border-radius: 12px; background: var(--kb-card); color: var(--kb-ink); font-size: 1rem; }
.kb2-search-form input:focus { outline: none; border-color: var(--kb-accent); box-shadow: 0 0 0 3px var(--kb-focus); }
.kb2-search-form button { height: 46px; padding: 0 1.25rem; border: 0; border-radius: 12px; background: var(--kb-accent); color: #fff; font-weight: 500; font-size: .9375rem; cursor: pointer; }
.kb2-search-count, .kb2-search-hint { font-size: .9375rem; color: var(--kb-muted); margin: 0 0 1rem; }
.kb2-search-count b { color: var(--kb-ink); font-weight: 600; }
.kb2-search-item { display: flex; flex-direction: column; gap: .25rem; min-width: 0; }
.kb2-search-item b { color: var(--kb-ink); font-weight: 600; font-size: 1rem; }
.kb2-search-item > span:last-child { color: var(--kb-text-2); font-size: .875rem; line-height: 1.5; }
.kb2-search-meta { color: var(--kb-muted); font-size: .75rem; }

.kb-content li { margin-bottom: .5em; }

/* Нечетное число блоков: последний ряд без пустой ячейки */
@media (min-width: 640px) {
  .kb2-links > :last-child:nth-child(odd) { grid-column: 1 / -1; }
  .kb2-pn > a:only-child { grid-column: 1 / -1; }
  .kb2-cats > .kb2-cat:last-child:nth-child(odd) {
    grid-column: 1 / -1; display: grid; column-gap: 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: min-content; align-content: start;
  }
  .kb2-cats > .kb2-cat:last-child:nth-child(odd) > * { grid-column: 2; }
  .kb2-cats > .kb2-cat:last-child:nth-child(odd) > .kb2-cover { grid-column: 1; grid-row: 1 / span 8; align-self: start; }
  .kb2-cats > .kb2-cat:last-child:nth-child(odd) > .kb2-cat-meta { margin-top: 0; }
}
@media (min-width: 1024px) {
  /* Три карточки-ссылки - одним рядом */
  .kb2-links:has(> :nth-child(3):last-child) { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kb2-links:has(> :nth-child(3):last-child) > .kb2-link { grid-column: auto; flex-direction: column; }
  .kb2-links:has(> :nth-child(3):last-child) .kb2-link-arrow { margin-top: auto; align-self: flex-end; }
  /* В сетке раздела по три: правило нечетности считается по тройкам */
  .kb2-cats > .kb2-cat:last-child:nth-child(odd) { grid-column: auto; display: flex; }
  .kb2-cats > .kb2-cat:last-child:nth-child(3n+1) {
    grid-column: 1 / -1; display: grid; column-gap: 2rem;
    grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: min-content; align-content: start;
  }
  .kb2-cats > .kb2-cat:last-child:nth-child(3n+1) > * { grid-column: 2 / -1; }
  .kb2-cats > .kb2-cat:last-child:nth-child(3n+1) > .kb2-cover { grid-column: 1; grid-row: 1 / span 8; align-self: start; }
  .kb2-cats > .kb2-cat:last-child:nth-child(3n+1) > .kb2-cat-meta { margin-top: 0; }
}

/* Автоссылки в тексте: заметны, но не спорят с текстом */
.kb-content a.kb2-auto { font-weight: inherit; border-bottom: 1px solid var(--kb-accent-soft); }
.kb-content a.kb2-auto:hover { border-bottom-color: currentColor; }

/* Кнопка из статьи на экран кабинета */
.kb2-open { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.5rem; padding: .625rem 1.125rem; border-radius: 10px; background: var(--kb-accent); color: #fff; font-size: .9375rem; font-weight: 500; text-decoration: none; transition: opacity .15s; }
.kb2-open:hover { opacity: .9; color: #fff; }