.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.page-wrap main {
  flex: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted-2);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--muted);
  transition: color .15s;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb__sep {
  color: var(--muted-3);
  font-size: 11px;
}
.breadcrumb__current { color: var(--ink-2); font-weight: 500; }

.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.page-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: var(--r-xs);
  margin-bottom: 20px;
}
.page-hero__title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: 16px;
}
.page-hero__desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.6;
}
.page-hero__meta {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted-2);
}

.page-section {
  padding: 64px 0;
}
.page-section--sm {
  padding: 48px 0;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.doc-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color .18s, box-shadow .18s, transform .18s;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.doc-card:hover {
  border-color: var(--accent-soft-2);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.doc-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.doc-card__icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}
.doc-card__title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.3;
}
.doc-card__desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
  flex: 1;
}
.doc-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-top: 20px;
}
.doc-card__link svg {
  width: 14px;
  height: 14px;
  transition: transform .15s;
}
.doc-card:hover .doc-card__link svg {
  transform: translateX(3px);
}

.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
  padding: 56px 0 80px;
}
.doc-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.doc-sidebar__title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 12px;
}
.doc-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.doc-sidebar__nav a {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: var(--r-xs);
  line-height: 1.4;
  transition: background .15s, color .15s;
}
.doc-sidebar__nav a:hover,
.doc-sidebar__nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.doc-sidebar__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 28px;
  padding: 6px 10px;
  border-radius: var(--r-xs);
  transition: color .15s, background .15s;
  margin-left: -10px;
}
.doc-sidebar__back:hover {
  color: var(--accent);
  background: var(--accent-soft);
}
.doc-sidebar__back svg {
  width: 15px;
  height: 15px;
}
.doc-body {
  min-width: 0;
}
.doc-body__header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.doc-body__title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 10px;
}
.doc-body__date {
  font-size: 13px;
  color: var(--muted-2);
}

.doc-prose {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-2);
}
.doc-prose h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 40px 0 14px;
  padding-top: 8px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.doc-prose h2:first-child { margin-top: 0; }
.doc-prose h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 10px;
}
.doc-prose p {
  margin: 0 0 14px;
}
.doc-prose p:last-child { margin-bottom: 0; }
.doc-prose ul,
.doc-prose ol {
  padding-left: 20px;
  margin: 0 0 16px;
  list-style: revert;
}
.doc-prose li {
  margin-bottom: 6px;
  padding-left: 4px;
}
.doc-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.doc-prose a:hover { color: var(--accent-2); }
.doc-prose strong {
  font-weight: 600;
  color: var(--ink);
}
.doc-prose .note-block {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 14px 18px;
  margin: 24px 0;
  font-size: 14.5px;
  color: var(--ink-2);
}

.support-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.support-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.support-card:hover {
  border-color: var(--accent-soft-2);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.support-card--tg { --card-color: #229ED9; --card-soft: rgba(34, 158, 217, 0.1); }
.support-card--email { --card-color: var(--accent); --card-soft: var(--accent-soft); }
.support-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--card-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.support-card__icon svg {
  width: 26px;
  height: 26px;
  color: var(--card-color);
}
.support-card__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.support-card__handle {
  font-size: 15px;
  font-weight: 500;
  color: var(--card-color);
  margin-bottom: 12px;
}
.support-card__desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
  flex: 1;
}
.support-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 24px;
  padding: 9px 18px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 600;
  background: var(--card-soft);
  color: var(--card-color);
  transition: background .15s;
}
.support-card:hover .support-card__cta {
  background: var(--card-color);
  color: #fff;
}
.support-card__cta svg {
  width: 14px;
  height: 14px;
}
.support-info {
  margin-top: 48px;
  padding: 28px 32px;
  background: var(--bg-alt);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
}
.support-info__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.support-info__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.support-info__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}
.support-info__item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
}

.info-banner {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 32px 36px;
  margin-top: 48px;
}
.info-banner__title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.info-banner__text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 60px;
  }
  .doc-sidebar {
    position: static;
    display: none;
  }
}
@media (max-width: 640px) {
  .page-hero { padding: 48px 0 36px; }
  .doc-grid { grid-template-columns: 1fr; }
  .support-cards { grid-template-columns: 1fr; }
  .support-card { padding: 24px; }
  .info-banner { padding: 24px; }
}