/* ==========================================================================
   InfoMi.ru — article-blocks.css
   Универсальная библиотека блоков для статей.
   Mobile first. Без JavaScript. Все стили изолированы внутри .article-content.
   ========================================================================== */

.article-content,
.article-content *,
.article-content *::before,
.article-content *::after {
  box-sizing: border-box;
}

.article-content {
  --article-text: #252a31;
  --article-text-soft: #535d69;
  --article-muted: #74808e;
  --article-heading: #171b21;

  --article-primary: #2563eb;
  --article-primary-dark: #1d4ed8;
  --article-primary-soft: #eef5ff;
  --article-primary-border: #d5e3fb;

  --article-success: #178247;
  --article-success-soft: #edf9f1;
  --article-success-border: #cfead8;

  --article-warning: #a86500;
  --article-warning-soft: #fff8e8;
  --article-warning-border: #f0d9a4;

  --article-danger: #c63d43;
  --article-danger-soft: #fff2f3;
  --article-danger-border: #efcfd2;

  --article-violet: #6d4bd1;
  --article-violet-soft: #f5f1ff;
  --article-violet-border: #e1d8fb;

  --article-bg: #ffffff;
  --article-bg-soft: #f7f9fb;
  --article-bg-hover: #f3f6fa;

  --article-border: #e3e8ef;
  --article-border-strong: #d4dbe5;

  --article-radius-sm: 10px;
  --article-radius: 14px;
  --article-radius-lg: 18px;
  --article-radius-xl: 22px;

  --article-shadow-sm:
          0 1px 2px rgba(17, 24, 39, .03),
          0 5px 16px rgba(17, 24, 39, .035);

  --article-shadow:
          0 2px 5px rgba(17, 24, 39, .035),
          0 14px 36px rgba(17, 24, 39, .06);

  width: 100%;
  color: var(--article-text);
  font-size: 16px;
  line-height: 1.7;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

.article-content ::selection {
  background: #dbeafe;
  color: #172554;
}


/* ==========================================================================
   Базовая типографика
   ========================================================================== */

.article-content > *:first-child {
  margin-top: 0;
}

.article-content > *:last-child {
  margin-bottom: 0;
}

.article-content p {
  margin: 0 0 19px;
  color: var(--article-text);
  line-height: 1.72;
}

.article-content strong {
  color: var(--article-heading);
  font-weight: 700;
}

.article-content a {
  color: var(--article-primary);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: #a9c5f8;
  text-underline-offset: 3px;
  transition: color .16s ease, text-decoration-color .16s ease;
}

.article-content a:hover {
  color: var(--article-primary-dark);
  text-decoration-color: currentColor;
}

.article-content h2,
.article-content h3 {
  color: var(--article-heading);
  scroll-margin-top: 90px;
}

.article-content .article-section > h2,
.article-content .article-mistakes > h2 {
  position: relative;
  margin: 44px 0 18px;
  padding: 0 0 0 16px;
  font-size: 24px;
  line-height: 1.25;
  font-weight: 780;
  letter-spacing: -.025em;
}

.article-content .article-section > h2::before,
.article-content .article-mistakes > h2::before {
  content: "";
  position: absolute;
  top: .15em;
  bottom: .1em;
  left: 0;
  width: 4px;
  border-radius: 999px;
  background: var(--article-primary);
}

.article-lead {
  margin-bottom: 23px !important;
  color: #222831 !important;
  font-size: 18px;
  line-height: 1.62 !important;
  letter-spacing: -.006em;
}

.article-caption {
  margin: -8px 0 23px !important;
  color: var(--article-muted) !important;
  font-size: 12px;
  line-height: 1.5 !important;
}


/* ==========================================================================
   Коротко о главном
   ========================================================================== */

.article-quick {
  position: relative;
  margin: 24px 0 13px;
  padding: 20px 18px 19px 21px;
  overflow: hidden;
  border: 1px solid var(--article-primary-border);
  border-radius: var(--article-radius-lg);
  background:
          radial-gradient(circle at 100% 0, rgba(37, 99, 235, .10), transparent 42%),
          linear-gradient(135deg, #fbfdff 0%, #eef5ff 100%);
  box-shadow: var(--article-shadow-sm);
}

.article-quick::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, #5c95f7 0%, var(--article-primary) 100%);
}

.article-quick__eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
  color: var(--article-primary);
  font-size: 11px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.article-quick__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border: 2px solid var(--article-primary);
  border-radius: 50%;
  background: #fff;
}

.article-content .article-quick__title {
  margin: 0 0 8px;
  color: #172554;
  font-size: 20px;
  line-height: 1.32;
  font-weight: 780;
  letter-spacing: -.015em;
}

.article-quick__text {
  margin: 0 !important;
  color: #354256 !important;
  line-height: 1.63 !important;
}


/* ==========================================================================
   Быстрые факты
   ========================================================================== */

.article-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 25px;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: var(--article-bg);
  box-shadow: 0 2px 9px rgba(17, 24, 39, .025);
}

.article-fact {
  position: relative;
  min-width: 0;
  padding: 12px 7px;
  text-align: center;
}

.article-fact + .article-fact::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 0;
  width: 1px;
  background: var(--article-border);
}

.article-fact__label {
  display: block;
  margin-bottom: 3px;
  color: var(--article-muted);
  font-size: 10px;
  line-height: 1.3;
}

.article-fact__value {
  display: block;
  overflow: hidden;
  color: var(--article-heading) !important;
  font-size: 14px;
  line-height: 1.3;
  font-weight: 760;
  text-overflow: ellipsis;
}


/* ==========================================================================
   Содержание
   ========================================================================== */

.article-toc {
  margin: 27px 0 34px;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius-lg);
  background: #fff;
}

.article-toc__summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 14px 50px 14px 46px;
  cursor: pointer;
  list-style: none;
  color: var(--article-heading);
  font-size: 16px;
  line-height: 1.35;
  font-weight: 750;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.article-toc__summary::-webkit-details-marker {
  display: none;
}

.article-toc__summary::before {
  content: "≡";
  position: absolute;
  left: 15px;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 23px;
  height: 23px;
  transform: translateY(-50%);
  border-radius: 7px;
  background: var(--article-primary-soft);
  color: var(--article-primary);
  font-size: 17px;
  font-weight: 800;
}

.article-toc__summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 8px;
  height: 8px;
  transform: translateY(-70%) rotate(45deg);
  border-right: 2px solid #6d7784;
  border-bottom: 2px solid #6d7784;
  transition: transform .18s ease;
}

.article-toc[open] .article-toc__summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.article-toc__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--article-border);
}

.article-toc__list {
  counter-reset: article-toc;
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
}

.article-toc__list li {
  counter-increment: article-toc;
  position: relative;
  margin: 0;
  padding: 0 0 0 31px;
  border-bottom: 1px solid #edf0f4;
}

.article-toc__list li:last-child {
  border-bottom: 0;
}

.article-toc__list li::before {
  content: counter(article-toc);
  position: absolute;
  top: 12px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 6px;
  background: #f1f4f8;
  color: #687587;
  font-size: 10px;
  font-weight: 800;
}

.article-toc__list a {
  display: block;
  padding: 11px 0 12px;
  color: #39485c;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
}

.article-toc__list a:hover {
  color: var(--article-primary);
}


/* ==========================================================================
   Обычные списки и checklist
   ========================================================================== */

.article-content ul:not([class]),
.article-content ol:not([class]) {
  margin: 17px 0 23px;
  padding-left: 24px;
}

.article-content ul:not([class]) li,
.article-content ol:not([class]) li {
  margin: 8px 0;
  padding-left: 2px;
}

.article-checklist {
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
}

.article-checklist li {
  position: relative;
  min-height: 24px;
  margin: 10px 0;
  padding: 0 0 0 33px;
}

.article-checklist li::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 0;
  width: 21px;
  height: 21px;
  border: 1px solid var(--article-success-border);
  border-radius: 50%;
  background: var(--article-success-soft);
}

.article-checklist li::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 6px;
  width: 8px;
  height: 4px;
  transform: rotate(-45deg);
  border-bottom: 2px solid var(--article-success);
  border-left: 2px solid var(--article-success);
}


/* ==========================================================================
   Универсальные заметки
   article-callout--important / remember / warning / tip
   ========================================================================== */

.article-callout {
  position: relative;
  margin: 23px 0;
  padding: 16px 17px 16px 49px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: var(--article-bg-soft);
}

.article-callout::before {
  position: absolute;
  top: 16px;
  left: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  font-size: 13px;
  line-height: 1;
  font-weight: 850;
}

.article-callout__title {
  margin-bottom: 5px;
  color: var(--article-heading);
  font-size: 15px;
  line-height: 1.35;
  font-weight: 780;
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-callout--important {
  border-color: var(--article-primary-border);
  background: #f5f9ff;
}

.article-callout--important::before {
  content: "i";
  background: #dceafe;
  color: var(--article-primary);
}

.article-callout--remember {
  border-color: var(--article-violet-border);
  background: var(--article-violet-soft);
}

.article-callout--remember::before {
  content: "★";
  background: #e7ddff;
  color: var(--article-violet);
  font-size: 11px;
}

.article-callout--warning {
  border-color: var(--article-warning-border);
  background: var(--article-warning-soft);
}

.article-callout--warning::before {
  content: "!";
  background: #ffe8ae;
  color: var(--article-warning);
}

.article-callout--tip {
  border-color: var(--article-success-border);
  background: var(--article-success-soft);
}

.article-callout--tip::before {
  content: "✓";
  background: #d9f1e2;
  color: var(--article-success);
  font-size: 11px;
}


/* ==========================================================================
   Современная таблица
   На mobile строки превращаются в карточки.
   ========================================================================== */

.article-table-wrap {
  width: 100%;
  margin: 21px 0 15px;
  outline: none;
}

.article-table {
  display: block;
  width: 100%;
  border: 0;
  border-collapse: separate;
  border-spacing: 0;
}

.article-table thead {
  display: none;
}

.article-table tbody {
  display: grid;
  gap: 10px;
}

.article-table tr {
  display: block;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fff;
  box-shadow: 0 2px 9px rgba(17, 24, 39, .025);
}

.article-table td {
  display: grid;
  grid-template-columns: minmax(82px, 105px) minmax(0, 1fr);
  gap: 12px;
  padding: 10px 13px;
  border: 0;
  border-bottom: 1px solid #edf0f4;
  color: var(--article-text-soft);
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
  vertical-align: top;
}

.article-table td:last-child {
  border-bottom: 0;
}

.article-table td::before {
  content: attr(data-label);
  color: var(--article-muted);
  font-size: 10px;
  line-height: 1.45;
  font-weight: 760;
  letter-spacing: .035em;
  text-transform: uppercase;
}

.article-table td strong {
  font-size: 14px;
}

.article-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 8px;
  border: 1px solid var(--article-primary-border);
  border-radius: 999px;
  background: var(--article-primary-soft);
  color: #315995;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 760;
}


/* ==========================================================================
   Пошаговый блок
   ========================================================================== */

.article-steps {
  counter-reset: article-steps;
  display: grid;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
}

.article-step {
  counter-increment: article-steps;
  position: relative;
  min-height: 69px;
  padding: 14px 14px 14px 55px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fff;
}

.article-step::before {
  content: counter(article-steps);
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 29px;
  height: 29px;
  border-radius: 9px;
  background: var(--article-primary-soft);
  color: var(--article-primary);
  font-size: 13px;
  line-height: 1;
  font-weight: 850;
}

.article-step__title {
  margin: 0 0 3px;
  color: var(--article-heading);
  font-size: 15px;
  line-height: 1.4;
  font-weight: 760;
}

.article-step p {
  margin: 0;
  color: var(--article-text-soft);
  font-size: 14px;
  line-height: 1.55;
}


/* ==========================================================================
   Диапазоны / префиксы
   ========================================================================== */

.article-prefixes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 20px 0 24px;
}

.article-prefix {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  min-height: 51px;
  padding: 9px 11px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius-sm);
  background: #fff;
}

.article-prefix__code {
  flex: 0 0 auto;
  min-width: 106px;
  padding: 6px 8px;
  border-radius: 7px;
  background: var(--article-primary-soft);
  color: #245197;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.2;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.article-prefix__region {
  min-width: 0;
  color: var(--article-text-soft);
  font-size: 14px;
  line-height: 1.35;
}


/* ==========================================================================
   Схема телефонного номера
   ========================================================================== */

.article-number-schema {
  margin: 23px 0 25px;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius-lg);
  background: #f8fafc;
}

.article-number-schema__number {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 92px;
  padding: 20px 10px;
  background:
          radial-gradient(circle at 50% -60px, rgba(37, 99, 235, .13), transparent 125px),
          #f8fafc;
  color: #222831;
  font-size: clamp(23px, 7vw, 34px);
  line-height: 1;
  font-weight: 790;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}

.article-number-schema__country {
  color: #657080;
}

.article-number-schema__code {
  padding: 7px 9px;
  border-radius: 9px;
  background: var(--article-primary);
  color: #fff;
  box-shadow: 0 5px 14px rgba(37, 99, 235, .18);
}

.article-number-schema__legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--article-border);
  background: #fff;
}

.article-number-schema__legend > div {
  position: relative;
  min-width: 0;
  padding: 10px 4px 11px;
  text-align: center;
}

.article-number-schema__legend > div + div::before {
  content: "";
  position: absolute;
  top: 9px;
  bottom: 9px;
  left: 0;
  width: 1px;
  background: var(--article-border);
}

.article-number-schema__legend strong,
.article-number-schema__legend span {
  display: block;
}

.article-number-schema__legend strong {
  margin-bottom: 3px;
  color: var(--article-heading);
  font-size: 12px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.article-number-schema__legend span {
  color: var(--article-muted);
  font-size: 9px;
  line-height: 1.3;
}


/* ==========================================================================
   Пример
   ========================================================================== */

.article-example {
  position: relative;
  margin: 23px 0;
  padding: 17px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fafbfc;
}

.article-example__label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 8px;
  border: 1px solid #dfe4ea;
  border-radius: 7px;
  background: #fff;
  color: #5c6672;
  font-size: 10px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-example p:last-child {
  margin-bottom: 0;
}


/* ==========================================================================
   Безопасность
   ========================================================================== */

.article-safety {
  margin: 22px 0;
  padding: 17px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius-lg);
  background: #fafbfc;
}

.article-safety__title {
  margin-bottom: 12px;
  color: var(--article-heading);
  font-size: 17px;
  line-height: 1.35;
  font-weight: 770;
}

.article-safety .article-checklist {
  margin-top: 0;
  margin-bottom: 0;
}


/* ==========================================================================
   Встроенный CTA
   ========================================================================== */

.article-action {
  position: relative;
  display: grid;
  gap: 15px;
  margin: 25px 0;
  padding: 19px;
  overflow: hidden;
  border: 1px solid #d1e0fa;
  border-radius: var(--article-radius-lg);
  background:
          radial-gradient(circle at 100% 0, rgba(37, 99, 235, .10), transparent 44%),
          #f7faff;
}

.article-action__eyebrow {
  margin-bottom: 5px;
  color: var(--article-primary);
  font-size: 10px;
  line-height: 1.2;
  font-weight: 820;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.article-action__title {
  margin-bottom: 6px;
  color: #172554;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 780;
}

.article-action p {
  margin: 0;
  color: #45536a;
  font-size: 14px;
  line-height: 1.55;
}

.article-content .article-action__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  padding: 11px 17px;
  border-radius: 11px;
  background: var(--article-primary);
  color: #fff;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 760;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .18);
  transition: background-color .16s ease, transform .16s ease, box-shadow .16s ease;
}

.article-content .article-action__button:hover {
  background: var(--article-primary-dark);
}


/* ==========================================================================
   Форматы номера
   ========================================================================== */

.article-format-list {
  display: grid;
  gap: 10px;
  margin: 19px 0 24px;
}

.article-format {
  position: relative;
  padding: 15px;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fff;
}

.article-format--preferred {
  border-color: var(--article-primary-border);
  background: #f8fbff;
}

.article-format__badge {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 4px 7px;
  border-radius: 6px;
  background: #f0f3f7;
  color: #637080;
  font-size: 10px;
  line-height: 1.2;
  font-weight: 780;
}

.article-format--preferred .article-format__badge {
  background: var(--article-primary-soft);
  color: var(--article-primary);
}

.article-format__number {
  display: block;
  margin-bottom: 5px;
  color: var(--article-heading);
  font-size: 19px;
  line-height: 1.25;
  font-weight: 790;
  font-variant-numeric: tabular-nums;
}

.article-format__text {
  display: block;
  color: var(--article-muted);
  font-size: 12px;
  line-height: 1.4;
}


/* ==========================================================================
   Частые ошибки
   ========================================================================== */

.article-mistakes {
  margin-top: 45px;
}

.article-mistakes__list {
  display: grid;
  gap: 10px;
}

.article-mistake {
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fff;
}

.article-mistake__wrong {
  position: relative;
  padding: 13px 14px 13px 45px;
  border-bottom: 1px solid #f0dfe0;
  background: #fff6f6;
  color: #5f3538;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 720;
}

.article-mistake__wrong::before {
  content: "×";
  position: absolute;
  top: 13px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: #ffe0e2;
  color: var(--article-danger);
  font-size: 16px;
  line-height: 1;
  font-weight: 780;
}

.article-mistake__right {
  position: relative;
  padding: 13px 14px 13px 45px;
  background: #f4fbf6;
  color: #355642;
  font-size: 14px;
  line-height: 1.52;
}

.article-mistake__right::before {
  content: "✓";
  position: absolute;
  top: 13px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: #dcf3e4;
  color: var(--article-success);
  font-size: 11px;
  line-height: 1;
  font-weight: 850;
}


/* ==========================================================================
   Заголовок специального раздела
   ========================================================================== */

.article-section-heading {
  margin: 46px 0 17px;
}

.article-section-heading__eyebrow {
  display: inline-flex;
  margin-bottom: 4px;
  color: var(--article-primary);
  font-size: 10px;
  line-height: 1.2;
  font-weight: 830;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.article-content .article-section-heading h2 {
  margin: 0;
  padding: 0;
  color: var(--article-heading);
  font-size: 24px;
  line-height: 1.25;
  font-weight: 780;
  letter-spacing: -.025em;
}

.article-section-heading__hint {
  display: block;
  margin-top: 5px;
  color: var(--article-muted);
  font-size: 12px;
  line-height: 1.4;
}


/* ==========================================================================
   FAQ / нативный accordion
   ========================================================================== */

.article-faq__list {
  counter-reset: article-faq;
  display: grid;
  gap: 9px;
}

.article-faq__item {
  counter-increment: article-faq;
  overflow: hidden;
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.article-faq__item[open] {
  border-color: #c9dcfb;
  background: #fbfdff;
  box-shadow:
          0 2px 5px rgba(37, 99, 235, .025),
          0 8px 24px rgba(37, 99, 235, .05);
}

.article-faq__question {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 62px;
  padding: 12px 52px 12px 51px;
  cursor: pointer;
  list-style: none;
  color: var(--article-heading);
  font-size: 15px;
  line-height: 1.4;
  font-weight: 730;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.article-faq__question::-webkit-details-marker {
  display: none;
}

.article-faq__question::marker {
  content: "";
}

.article-faq__question::before {
  content: counter(article-faq);
  position: absolute;
  top: 50%;
  left: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 27px;
  height: 27px;
  transform: translateY(-50%);
  border-radius: 8px;
  background: #f0f4fa;
  color: #66758b;
  font-size: 11px;
  line-height: 1;
  font-weight: 820;
  transition: background-color .18s ease, color .18s ease;
}

.article-faq__question::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  transform: translateY(-50%);
  border: 1px solid var(--article-border);
  border-radius: 50%;
  background: #f7f8fa;
  color: #596370;
  font-size: 21px;
  line-height: 1;
  font-weight: 400;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.article-faq__item[open] .article-faq__question {
  color: #1e4f99;
}

.article-faq__item[open] .article-faq__question::before {
  background: var(--article-primary);
  color: #fff;
}

.article-faq__item[open] .article-faq__question::after {
  content: "−";
  border-color: #d2e0f9;
  background: var(--article-primary-soft);
  color: var(--article-primary);
}

.article-faq__answer {
  position: relative;
  padding: 0 16px 17px 51px;
  color: var(--article-text-soft);
  animation: articleFaqOpen .18s ease both;
}

.article-faq__answer::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 18px;
  left: 26px;
  width: 1px;
  background: #d9e5f6;
}

.article-faq__answer p {
  margin: 0;
  color: var(--article-text-soft);
  font-size: 14px;
  line-height: 1.65;
}

@keyframes articleFaqOpen {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================================================
   Итог
   ========================================================================== */

.article-summary {
  position: relative;
  margin: 46px 0 8px;
  padding: 21px 18px 19px;
  overflow: hidden;
  border: 1px solid #d3e1f9;
  border-radius: var(--article-radius-lg);
  background:
          radial-gradient(circle at 100% 0, rgba(37, 99, 235, .08), transparent 42%),
          linear-gradient(145deg, #fbfdff 0%, #f1f6ff 100%);
  box-shadow: var(--article-shadow-sm);
}

.article-summary::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--article-primary), #75a7ff);
}

.article-summary__eyebrow {
  display: inline-flex;
  margin: 1px 0 6px;
  color: var(--article-primary);
  font-size: 10px;
  line-height: 1.2;
  font-weight: 830;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.article-content .article-summary__title {
  margin: 0 0 14px;
  padding: 0;
  color: #172554;
  font-size: 21px;
  line-height: 1.3;
  font-weight: 790;
}

.article-summary__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-summary__list li {
  position: relative;
  margin: 10px 0;
  padding-left: 30px;
  color: #384456;
  line-height: 1.55;
}

.article-summary__list li::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #dfeafe;
}

.article-summary__list li::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 6px;
  width: 8px;
  height: 4px;
  transform: rotate(-45deg);
  border-bottom: 2px solid var(--article-primary);
  border-left: 2px solid var(--article-primary);
}


/* ==========================================================================
   Focus / accessibility
   ========================================================================== */

.article-toc__summary:focus,
.article-faq__question:focus {
  outline: none;
}

.article-toc__summary:focus-visible,
.article-faq__question:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .20);
  outline-offset: -3px;
}

.article-content a:focus-visible,
.article-table-wrap:focus-visible {
  border-radius: 4px;
  outline: 3px solid rgba(37, 99, 235, .20);
  outline-offset: 2px;
}


/* ==========================================================================
   Очень маленькие телефоны
   ========================================================================== */

@media (max-width: 359px) {
  .article-content {
    font-size: 15px;
  }

  .article-lead {
    font-size: 17px;
  }

  .article-content .article-section > h2,
  .article-content .article-mistakes > h2,
  .article-content .article-section-heading h2 {
    font-size: 22px;
  }

  .article-fact {
    padding-right: 4px;
    padding-left: 4px;
  }

  .article-fact__label {
    font-size: 9px;
  }

  .article-fact__value {
    font-size: 12px;
  }

  .article-prefix {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .article-faq__answer {
    padding-left: 15px;
  }

  .article-faq__answer::before {
    display: none;
  }
}


/* ==========================================================================
   Tablet
   ========================================================================== */

@media (min-width: 600px) {
  .article-prefixes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-step {
    padding: 54px 15px 16px;
  }

  .article-step::before {
    top: 15px;
    left: 15px;
  }

  .article-format-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-action {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 20px 21px;
  }

  .article-content .article-action__button {
    width: auto;
    min-width: 150px;
  }

  .article-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
  }

  .article-section-heading__hint {
    flex: 0 0 auto;
    margin: 0 0 3px;
  }
}


/* ==========================================================================
   Desktop
   ========================================================================== */

@media (min-width: 768px) {
  .article-content {
    font-size: 17px;
    line-height: 1.72;
  }

  .article-lead {
    font-size: 19px;
    line-height: 1.64 !important;
  }

  .article-content .article-section > h2,
  .article-content .article-mistakes > h2 {
    margin-top: 50px;
    margin-bottom: 19px;
    padding-left: 18px;
    font-size: 28px;
  }

  .article-content .article-section-heading h2 {
    font-size: 28px;
  }

  .article-quick {
    padding: 23px 23px 22px 25px;
  }

  .article-content .article-quick__title {
    font-size: 22px;
  }

  .article-fact {
    padding: 14px 10px;
  }

  .article-fact__label {
    font-size: 11px;
  }

  .article-fact__value {
    font-size: 15px;
  }

  .article-toc__body {
    padding-right: 19px;
    padding-left: 19px;
  }

  .article-toc__list {
    columns: 2;
    column-gap: 34px;
  }

  .article-toc__list li {
    break-inside: avoid;
  }

  .article-callout {
    padding: 18px 20px 18px 52px;
  }

  .article-callout::before {
    top: 18px;
    left: 18px;
  }

  /* Возвращаем настоящую таблицу на desktop */
  .article-table-wrap {
    overflow: hidden;
    border: 1px solid var(--article-border);
    border-radius: var(--article-radius-lg);
    background: #fff;
  }

  .article-table {
    display: table;
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
  }

  .article-table thead {
    display: table-header-group;
  }

  .article-table tbody {
    display: table-row-group;
  }

  .article-table tr {
    display: table-row;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .article-table th,
  .article-table td {
    display: table-cell;
    padding: 14px 16px;
    border: 0;
    border-bottom: 1px solid var(--article-border);
    text-align: left;
    vertical-align: top;
  }

  .article-table th {
    background: #f5f7f9;
    color: #56616f;
    font-size: 12px;
    line-height: 1.4;
    font-weight: 780;
    letter-spacing: .02em;
  }

  .article-table td {
    color: var(--article-text-soft);
    font-size: 14px;
    line-height: 1.5;
  }

  .article-table td::before {
    display: none;
  }

  .article-table tbody tr:nth-child(even) td {
    background: #fbfcfd;
  }

  .article-table tbody tr:last-child td {
    border-bottom: 0;
  }

  .article-table th:first-child {
    width: 28%;
  }

  .article-table th:last-child {
    width: 18%;
  }

  .article-caption {
    margin-top: -4px !important;
  }

  .article-number-schema__number {
    min-height: 112px;
  }

  .article-number-schema__legend strong {
    font-size: 14px;
  }

  .article-number-schema__legend span {
    font-size: 11px;
  }

  .article-example,
  .article-safety {
    padding: 20px;
  }

  .article-mistake__wrong,
  .article-mistake__right {
    padding: 15px 18px 15px 50px;
    font-size: 15px;
  }

  .article-mistake__wrong::before,
  .article-mistake__right::before {
    top: 15px;
    left: 17px;
  }

  .article-faq__question {
    min-height: 66px;
    padding: 14px 58px 14px 57px;
    font-size: 17px;
  }

  .article-faq__question::before {
    left: 16px;
    width: 29px;
    height: 29px;
  }

  .article-faq__question::after {
    right: 16px;
    width: 32px;
    height: 32px;
  }

  .article-faq__answer {
    padding: 0 22px 20px 57px;
  }

  .article-faq__answer::before {
    left: 30px;
  }

  .article-faq__answer p {
    font-size: 16px;
  }

  .article-summary {
    padding: 24px 23px 22px;
  }

  .article-content .article-summary__title {
    font-size: 24px;
  }
}


/* ==========================================================================
   Hover only where hover is actually available
   ========================================================================== */

@media (hover: hover) {
  .article-faq__question:hover,
  .article-toc__summary:hover {
    background: #fafbfc;
  }

  .article-content .article-action__button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, .22);
  }

  .article-prefix:hover,
  .article-step:hover {
    border-color: var(--article-border-strong);
    box-shadow: var(--article-shadow-sm);
  }
}


/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .article-content *,
  .article-content *::before,
  .article-content *::after {
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    animation-duration: 0s !important;
  }
}