/* ============================================================
   Airmaster ДТК — SEO-блок главной страницы
   Цвета: белый фон, тёмно-серый #2d2d2d, акцент серый
   Шрифты: Oswald + PT Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=PT+Sans:wght@400;700&display=swap');

:root {
  --am-bg:          #ffffff;
  --am-bg2:         #f5f5f5;
  --am-bg3:         #eeeeee;
  --am-dark:        #2d2d2d;
  --am-dark2:       #1a1a1a;
  --am-blue:        #2d2d2d;
  --am-blue-hover:  #1a1a1a;
  --am-blue-light:  #f0f0f0;
  --am-blue-border: #bbbbbb;
  --am-border:      #e0e0e0;
  --am-border2:     #cccccc;
  --am-text:        #333333;
  --am-text-muted:  #666666;
  --am-radius:      4px;
  --am-shadow:      0 2px 10px rgba(0,0,0,.08);
  --am-shadow-hover:0 6px 20px rgba(26,95,168,.15);
  --am-font-head:   'Oswald', sans-serif;
  --am-font-body:   'PT Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.am-main { font-family: var(--am-font-body); color: var(--am-text); background: var(--am-bg); }
.am-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ─── HERO ──────────────────────────────────────────────────── */
.am-hero {
  background: #f5f5f5;
  padding: 52px 0 48px;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--am-border);
}
.am-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(0,0,0,.02) 80px);
  pointer-events: none;
}
.am-hero::after {
  content: 'DTK';
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  font-family: var(--am-font-head); font-size: 220px; font-weight: 700;
  color: rgba(0,0,0,.04); pointer-events: none; user-select: none; line-height: 1;
}
.am-hero__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr auto;
  gap: 48px; align-items: center; position: relative; z-index: 1;
}
.am-hero__kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--am-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--am-dark); background: var(--am-bg3);
  border: 1px solid var(--am-border2);
  padding: 5px 14px 5px 10px; border-radius: 2px; margin-bottom: 16px;
}
.am-hero__kicker::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--am-dark); flex-shrink: 0;
}
.am-hero__title {
  font-family: var(--am-font-head);
  font-size: clamp(24px, 3.5vw, 46px); font-weight: 700;
  text-transform: uppercase; color: var(--am-dark2) !important;
  letter-spacing: .5px; line-height: 1.05; margin-bottom: 14px;
}
.am-hero__title em { font-style: normal; color: var(--am-dark) !important; }
.am-hero__lead { font-size: 15px; line-height: 1.85; color: var(--am-text-muted) !important; max-width: 560px; }
.am-hero__lead strong { color: var(--am-text) !important; }

.am-hero__stats { display: flex; flex-direction: column; gap: 8px; flex-shrink: 0; }
.am-hero__stat {
  background: var(--am-bg); border: 1px solid var(--am-border);
  border-left: 4px solid var(--am-dark);
  border-radius: var(--am-radius); padding: 12px 18px; min-width: 170px;
}
.am-hero__stat-num {
  font-family: var(--am-font-head); font-size: 28px; font-weight: 700;
  color: var(--am-dark2) !important; line-height: 1; margin-bottom: 2px;
}
.am-hero__stat-label {
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--am-text-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.am-features { background: var(--am-bg2); padding: 52px 0 48px; border-top: 1px solid var(--am-border); border-bottom: 1px solid var(--am-border); }
.am-features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.am-feat {
  background: var(--am-bg); border: 1px solid var(--am-border);
  border-radius: var(--am-radius); padding: 24px 20px;
  box-shadow: var(--am-shadow);
  transition: box-shadow .25s, border-color .25s, transform .2s;
  display: flex; flex-direction: column; gap: 10px;
}
.am-feat:hover { box-shadow: var(--am-shadow-hover); border-color: var(--am-border2); transform: translateY(-3px); }
.am-feat__icon {
  width: 42px; height: 42px; border-radius: var(--am-radius);
  background: var(--am-dark); display: flex; align-items: center;
  justify-content: center; font-size: 18px; flex-shrink: 0;
}
.am-feat__title {
  font-family: var(--am-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--am-dark2); letter-spacing: .3px; line-height: 1.2;
}
.am-feat__title em { font-style: normal; color: var(--am-dark2); }
.am-feat__text { font-size: 13px; line-height: 1.75; color: var(--am-text-muted); }
.am-feat__text strong { color: var(--am-text); }

/* ─── РАЗДЕЛ ШАПКА ──────────────────────────────────────────── */
.am-section-head { margin-bottom: 28px; }
.am-section-head__label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--am-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--am-dark2); background: var(--am-bg2);
  border: 1px solid var(--am-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.am-section-head__title {
  font-family: var(--am-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--am-dark2); line-height: 1.05; margin-bottom: 6px;
}
.am-section-head__title em { font-style: normal; color: var(--am-dark2); }
.am-section-head__sub { font-size: 14px; color: var(--am-text-muted); }

/* ─── СЕРИИ ─────────────────────────────────────────────────── */
.am-series { background: var(--am-bg); padding: 52px 0 48px; border-bottom: 1px solid var(--am-border); }
.am-series__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.am-serie {
  border: 1px solid var(--am-border); border-radius: var(--am-radius);
  overflow: hidden; box-shadow: var(--am-shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-orient: vertical; -webkit-box-direction: normal;
  -ms-flex-direction: column; flex-direction: column;
}
.am-serie:hover { transform: translateY(-3px); box-shadow: var(--am-shadow-hover); border-color: var(--am-border2); }
.am-serie--best { border-color: var(--am-dark2); border-top: 3px solid var(--am-dark); }
.am-serie__img {
  background: var(--am-bg2); overflow: hidden;
  border-bottom: 1px solid var(--am-border);
  text-align: center;
  padding: 16px; height: 180px; line-height: 148px;
}
.am-serie__img img {
  max-width: 100%; max-height: 148px;
  vertical-align: middle; display: inline-block;
}
.am-serie--wide .am-serie__img { height: 200px; line-height: 168px; }

.am-serie__head {
  background: var(--am-dark); padding: 14px 18px;
  overflow: hidden; white-space: nowrap;
  height: 56px; line-height: 28px;
}
.am-serie__name {
  font-family: var(--am-font-head); font-size: 26px; font-weight: 700;
  color: #cccccc !important; line-height: 1; display: inline-block; vertical-align: middle;
}
.am-serie__tag {
  font-family: var(--am-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  padding: 3px 8px; border-radius: 20px;
  background: rgba(255,255,255,.1); color: #aaaaaa !important;
  display: inline-block; vertical-align: middle; margin-left: 8px;
}
.am-serie__body { padding: 16px 18px; background: var(--am-bg); -webkit-box-flex: 1; -ms-flex: 1; flex: 1; }
.am-serie__sub {
  font-family: var(--am-font-head); font-size: 12px; font-weight: 600;
  text-transform: uppercase; color: var(--am-dark2) !important; letter-spacing: .3px;
  margin: 0 0 10px; padding: 0;
}
.am-serie__specs {
  margin: 0; padding: 0 0 0 16px; list-style: disc;
}
.am-serie__specs li {
  font-size: 13px; line-height: 1.6; color: var(--am-text-muted) !important;
  margin-bottom: 4px; padding-left: 2px;
}
.am-serie__specs li strong { color: var(--am-text) !important; }
.am-serie__link {
  display: block; padding: 11px 18px;
  border-top: 1px solid var(--am-border);
  font-family: var(--am-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--am-dark2) !important; text-decoration: none !important;
  background: var(--am-bg); transition: background .2s;
}
.am-serie__link:hover { background: var(--am-bg2); }

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.am-guide { background: var(--am-bg2); padding: 52px 0 48px; border-bottom: 1px solid var(--am-border); }
.am-guide__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.am-guide__col-title {
  font-family: var(--am-font-head); font-size: 16px; font-weight: 700;
  text-transform: uppercase; color: var(--am-dark2); margin-bottom: 16px;
}
.am-guide__col-title em { font-style: normal; color: var(--am-dark2); }
.am-guide__items { display: flex; flex-direction: column; gap: 10px; }
.am-guide__item {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--am-bg); border: 1px solid var(--am-border);
  border-radius: var(--am-radius); padding: 14px 16px;
  font-size: 13px; line-height: 1.65; color: var(--am-text-muted);
  box-shadow: var(--am-shadow);
}
.am-guide__item-num {
  font-family: var(--am-font-head); font-size: 22px; font-weight: 700;
  color: var(--am-dark2); line-height: 1; flex-shrink: 0; width: 28px;
}
.am-guide__item strong {
  color: var(--am-dark2); display: block; margin-bottom: 3px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .3px;
  font-family: var(--am-font-head);
}

/* ─── FAQ ───────────────────────────────────────────────────── */
.am-faq { background: var(--am-bg); padding: 52px 0 48px; border-bottom: 1px solid var(--am-border); }
.am-faq__list { border: 1px solid var(--am-border); border-radius: var(--am-radius); overflow: hidden; box-shadow: var(--am-shadow); }
.am-faq details { border-top: 1px solid var(--am-border); background: var(--am-bg); }
.am-faq details:first-of-type { border-top: none; }
.am-faq details > summary {
  display: flex !important; list-style: none !important; -webkit-appearance: none !important;
  align-items: center; gap: 12px; padding: 16px 22px; margin: 0;
  font-family: var(--am-font-head); font-size: 14px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--am-dark2); cursor: pointer; user-select: none;
  background: var(--am-bg); width: 100%; transition: background .2s, color .2s;
}
.am-faq details > summary::-webkit-details-marker { display: none !important; }
.am-faq details > summary::marker { content: '' !important; }
.am-faq details > summary::after {
  content: '+'; font-family: var(--am-font-body);
  font-size: 24px; font-weight: 300; color: var(--am-dark2);
  flex-shrink: 0; margin-left: auto; width: 24px; text-align: center;
}
.am-faq details[open] > summary { background: var(--am-bg2); color: var(--am-dark2); }
.am-faq details[open] > summary::after { content: '\2212'; }
.am-faq details > summary:hover { background: var(--am-bg2); color: var(--am-dark2); }
.am-faq__answer {
  padding: 16px 22px 20px; font-size: 14px; line-height: 1.85;
  color: var(--am-text-muted); border-top: 1px solid var(--am-border);
}
.am-faq__answer strong { color: var(--am-text); }
.am-faq__answer a { color: var(--am-dark2); font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

/* ─── CTA ───────────────────────────────────────────────────── */
.am-cta { background: var(--am-dark); padding: 48px 0 44px; }
.am-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px;
}
.am-cta__title {
  font-family: var(--am-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .4px; margin-bottom: 6px;
}
.am-cta__title em { font-style: normal; color: #aaaaaa !important; }
.am-cta__sub { font-size: 13px; color: rgba(255,255,255,.5) !important; }
.am-cta__sub a.am-cta-mail { color: rgba(255,255,255,.5) !important; text-decoration: none !important; }
.am-cta__actions { display: flex; gap: 10px; flex-shrink: 0; }
.am-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--am-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 12px 22px; border-radius: var(--am-radius);
  text-decoration: none; border: 1px solid transparent;
  transition: background .2s, border-color .2s, transform .15s; white-space: nowrap;
}
.am-btn--primary { background: #2d2d2d !important; color: #ffffff !important; border-color: #2d2d2d !important; }
.am-btn--primary:hover { background: #1a1a1a !important; border-color: #1a1a1a !important; transform: translateY(-2px); }
.am-btn--primary::after { content: ' →'; }
.am-btn--outline { background: transparent !important; color: rgba(255,255,255,.85) !important; border-color: rgba(255,255,255,.4) !important; }
.am-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.8) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 1024px) { .am-series__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 900px) {
  .am-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .am-hero__stats { flex-direction: row; flex-wrap: wrap; }
  .am-hero__stat { flex: 1; min-width: 130px; }
}
@media (max-width: 768px) {
  .am-features__grid { grid-template-columns: 1fr; }
  .am-series__grid { grid-template-columns: 1fr; }
  .am-guide__grid { grid-template-columns: 1fr; }
  .am-cta__inner { grid-template-columns: 1fr; gap: 20px; }
  .am-cta__actions { flex-wrap: wrap; }
}


/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}


/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}

/* ─── Сравнение версий ──────────────────────────────────────── */
.ac-versions {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
}
.ac-version {
  border-right: 1px solid var(--ac-border);
  overflow: hidden;
}
.ac-version:last-child { border-right: none; }
.ac-version__head {
  background: var(--ac-dark); padding: 16px 18px; text-align: center;
}
.ac-version__name {
  font-family: var(--ac-font-head); font-size: 20px; font-weight: 700;
  color: #ffffff !important; line-height: 1; margin-bottom: 4px;
}
.ac-version__badge {
  display: inline-block; font-family: var(--ac-font-head); font-size: 10px;
  font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  color: #aaaaaa !important; background: rgba(255,255,255,.08);
  padding: 2px 8px; border-radius: 20px;
}
.ac-version__body { padding: 18px; background: var(--ac-bg); }
.ac-version__rows { }
.ac-version__row {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--ac-border);
  font-size: 13px;
}
.ac-version__row:last-child { border-bottom: none; }
.ac-version__row-label { color: var(--ac-muted) !important; }
.ac-version__row-val {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important; text-align: right;
}
.ac-version__foot {
  padding: 0 18px 18px; background: var(--ac-bg);
}
.ac-version__price {
  font-family: var(--ac-font-head); font-size: 22px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-version__desc { font-size: 12px; color: var(--ac-muted) !important; line-height: 1.5; }

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 13px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* ─── Таблица калибров ──────────────────────────────────────── */
.ac-caltable {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
  font-size: 13px;
}
.ac-caltable th {
  background: var(--ac-dark); color: #ffffff !important;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 10px 14px; text-align: left; border-right: 1px solid rgba(255,255,255,.1);
}
.ac-caltable th:last-child { border-right: none; }
.ac-caltable td {
  padding: 10px 14px; border-bottom: 1px solid var(--ac-border);
  border-right: 1px solid var(--ac-border); color: var(--ac-text) !important;
  background: var(--ac-bg);
}
.ac-caltable td:last-child { border-right: none; }
.ac-caltable tr:last-child td { border-bottom: none; }
.ac-caltable tr:nth-child(even) td { background: var(--ac-bg2); }
.ac-caltable td strong { color: var(--ac-dark2) !important; }
.ac-caltable td a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }
.ac-caltable__tag {
  display: inline-block; font-family: var(--ac-font-head); font-size: 10px;
  font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 20px; border: 1px solid var(--ac-border2);
  color: var(--ac-muted) !important;
}

@media (max-width: 768px) {
  .ac-versions { grid-template-columns: 1fr; }
  .ac-version { border-right: none; border-bottom: 1px solid var(--ac-border); }
  .ac-version:last-child { border-bottom: none; }
  .ac-caltable { font-size: 12px; }
  .ac-caltable th, .ac-caltable td { padding: 8px 10px; }
}



/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 13px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}

/* ─── Sigma: характеристики карточка ────────────────────────── */
.ac-speccard {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); box-shadow: var(--ac-shadow);
  overflow: hidden;
}
.ac-speccard__head {
  background: var(--ac-dark); padding: 18px 22px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 14px;
}
.ac-speccard__title {
  font-family: var(--ac-font-head); font-size: 18px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important;
}
.ac-speccard__badge {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,.5) !important; background: rgba(255,255,255,.08);
  padding: 3px 10px; border-radius: 20px;
}
.ac-speccard__body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.ac-speccard__col { padding: 20px 22px; }
.ac-speccard__col:first-child { border-right: 1px solid var(--ac-border); }
.ac-specrow {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
  -webkit-box-align: baseline; -ms-flex-align: baseline; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--ac-border); gap: 12px;
}
.ac-specrow:last-child { border-bottom: none; }
.ac-specrow__label { font-size: 13px; color: var(--ac-muted) !important; -ms-flex-negative: 0; flex-shrink: 0; }
.ac-specrow__val {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  color: var(--ac-dark2) !important; text-align: right;
}
.ac-speccard__price {
  padding: 16px 22px; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 12px;
}
.ac-speccard__price-num {
  font-family: var(--ac-font-head); font-size: 28px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-speccard__price-note { font-size: 12px; color: var(--ac-muted) !important; margin-top: 2px; }

/* ─── Sigma: резьбы-варианты ────────────────────────────────── */
.ac-threadcards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px;
}
.ac-threadcard {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-threadcard:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-threadcard__head {
  background: var(--ac-dark); padding: 12px 16px;
  font-family: var(--ac-font-head); font-size: 16px; font-weight: 700;
  color: #ffffff !important;
}
.ac-threadcard__body { padding: 14px 16px; background: var(--ac-bg); }
.ac-threadcard__rifles {
  font-size: 13px; color: var(--ac-muted) !important; line-height: 1.7;
  margin-bottom: 10px;
}
.ac-threadcard__rifles strong { color: var(--ac-text) !important; }
.ac-threadcard__link {
  display: inline-block; font-family: var(--ac-font-head); font-size: 10px;
  font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  border-bottom: 1px solid var(--ac-border2); padding-bottom: 1px;
}

/* ─── Sigma: эффекты / польза ───────────────────────────────── */
.ac-effects {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.ac-effect {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow); text-align: center;
}
.ac-effect__pct {
  font-family: var(--ac-font-head); font-size: 40px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 4px;
}
.ac-effect__pct em { font-style: normal; font-size: 20px; }
.ac-effect__label {
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--ac-muted) !important; margin-bottom: 10px;
}
.ac-effect__text { font-size: 12px; line-height: 1.7; color: var(--ac-muted) !important; }
.ac-effect__text strong { color: var(--ac-text) !important; }

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 14px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

@media (max-width: 768px) {
  .ac-speccard__body { grid-template-columns: 1fr; }
  .ac-speccard__col:first-child { border-right: none; border-bottom: 1px solid var(--ac-border); }
  .ac-threadcards { grid-template-columns: 1fr; }
  .ac-effects { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .ac-effects { grid-template-columns: 1fr; }
}


/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 13px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}

/* ─── Адаптеры: таблица резьб ───────────────────────────────── */
.ac-threadtable {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow); font-size: 13px;
}
.ac-threadtable th {
  background: var(--ac-dark); color: #ffffff !important;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 10px 14px; text-align: left; border-right: 1px solid rgba(255,255,255,.1);
}
.ac-threadtable th:last-child { border-right: none; }
.ac-threadtable td {
  padding: 11px 14px; border-bottom: 1px solid var(--ac-border);
  border-right: 1px solid var(--ac-border); color: var(--ac-text) !important;
  background: var(--ac-bg); vertical-align: middle;
}
.ac-threadtable td:last-child { border-right: none; }
.ac-threadtable tr:last-child td { border-bottom: none; }
.ac-threadtable tr:nth-child(even) td { background: var(--ac-bg2); }
.ac-threadtable td strong { color: var(--ac-dark2) !important; font-family: var(--ac-font-head); font-size: 14px; }
.ac-threadtable td em { font-style: normal; color: var(--ac-muted) !important; font-size: 12px; }
.ac-threadtable__badge {
  display: inline-block; font-family: var(--ac-font-head); font-size: 10px;
  font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 20px;
  border: 1px solid var(--ac-border2); color: var(--ac-muted) !important;
}
.ac-threadtable__badge--avail {
  background: #e8f4e8; border-color: #4caf50; color: #2e7d32 !important;
}

/* ─── Как работает: схема ────────────────────────────────────── */
.ac-howto {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
}
.ac-howto-step {
  padding: 22px 16px; text-align: center;
  border-right: 1px solid var(--ac-border); background: var(--ac-bg);
  position: relative;
}
.ac-howto-step:last-child { border-right: none; }
.ac-howto-step::after {
  content: '→';
  position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  font-size: 16px; color: var(--ac-border2) !important;
  z-index: 1;
}
.ac-howto-step:last-child::after { display: none; }
.ac-howto-step__num {
  width: 32px; height: 32px; background: var(--ac-dark);
  border-radius: 50%; margin: 0 auto 12px;
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  color: #ffffff !important; line-height: 32px; text-align: center;
}
.ac-howto-step__icon { font-size: 24px; margin-bottom: 8px; }
.ac-howto-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  margin-bottom: 6px; letter-spacing: .3px;
}
.ac-howto-step__text { font-size: 12px; line-height: 1.6; color: var(--ac-muted) !important; }

/* ─── Совместимость ─────────────────────────────────────────── */
.ac-compat {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.ac-compat-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 18px;
  box-shadow: var(--ac-shadow);
}
.ac-compat-card__series {
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--ac-muted) !important; margin-bottom: 4px;
}
.ac-compat-card__name {
  font-family: var(--ac-font-head); font-size: 16px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 10px;
}
.ac-compat-card__thread {
  display: inline-block; font-family: var(--ac-font-head); font-size: 12px;
  font-weight: 700; padding: 3px 10px; border-radius: 20px;
  background: var(--ac-dark); color: #ffffff !important;
  margin-bottom: 10px;
}
.ac-compat-card__text { font-size: 12px; line-height: 1.65; color: var(--ac-muted) !important; }
.ac-compat-card__text strong { color: var(--ac-text) !important; }
.ac-compat-card__link {
  display: inline-block; margin-top: 10px;
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  border-bottom: 1px solid var(--ac-border2);
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 14px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* Наличие — состояние загрузки */
.ac-stock { transition: background .3s, color .3s; }
.ac-stock:not(.ac-threadtable__badge--avail):empty,
.ac-stock:not([style]) { opacity: .45; }

@media (max-width: 900px) {
  .ac-howto { grid-template-columns: 1fr 1fr; }
  .ac-compat { grid-template-columns: 1fr 1fr; }
  .ac-howto-step::after { display: none; }
}
@media (max-width: 640px) {
  .ac-howto { grid-template-columns: 1fr 1fr; }
  .ac-compat { grid-template-columns: 1fr; }
}




/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 13px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}

/* ─── Термочехол: трёхслойная схема ─────────────────────────── */
.ac-layers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
}
.ac-layer {
  padding: 24px 20px; background: var(--ac-bg);
  border-right: 1px solid var(--ac-border); position: relative;
}
.ac-layer:last-child { border-right: none; }
.ac-layer__num {
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--ac-muted) !important; margin-bottom: 8px;
}
.ac-layer__icon { font-size: 28px; margin-bottom: 10px; }
.ac-layer__title {
  font-family: var(--ac-font-head); font-size: 15px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 8px; line-height: 1.25;
}
.ac-layer__material {
  display: inline-block; font-family: var(--ac-font-head); font-size: 10px;
  font-weight: 600; letter-spacing: .5px; text-transform: uppercase;
  padding: 2px 10px; border-radius: 20px; margin-bottom: 10px;
  background: var(--ac-dark); color: #fff !important;
}
.ac-layer__text { font-size: 13px; line-height: 1.7; color: var(--ac-muted) !important; }
.ac-layer__text strong { color: var(--ac-text) !important; }

/* ─── Совместимость карточки ─────────────────────────────────── */
.ac-compat-simple {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.ac-compat-simple-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 22px;
  box-shadow: var(--ac-shadow);
  display: -webkit-box; display: -ms-flexbox; display: flex;
  gap: 16px; -webkit-box-align: start; -ms-flex-align: start; align-items: flex-start;
}
.ac-compat-simple-card__icon { font-size: 32px; -ms-flex-negative: 0; flex-shrink: 0; }
.ac-compat-simple-card__title {
  font-family: var(--ac-font-head); font-size: 16px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 6px;
}
.ac-compat-simple-card__text { font-size: 13px; line-height: 1.65; color: var(--ac-muted) !important; }
.ac-compat-simple-card__text strong { color: var(--ac-text) !important; }
.ac-compat-simple-card__link {
  display: inline-block; margin-top: 8px;
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  border-bottom: 1px solid var(--ac-border2);
}

/* ─── Товарная карточка ──────────────────────────────────────── */
.ac-product-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); box-shadow: var(--ac-shadow);
  overflow: hidden; max-width: 560px; margin: 0 auto;
}
.ac-product-card__head {
  background: var(--ac-dark); padding: 16px 22px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 12px;
}
.ac-product-card__title {
  font-family: var(--ac-font-head); font-size: 17px; font-weight: 700;
  text-transform: uppercase; color: #fff !important;
}
.ac-product-card__body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.ac-product-card__col { padding: 16px 22px; }
.ac-product-card__col:first-child { border-right: 1px solid var(--ac-border); }
.ac-specrow {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
  -webkit-box-align: baseline; -ms-flex-align: baseline; align-items: baseline;
  padding: 8px 0; border-bottom: 1px solid var(--ac-border); gap: 10px;
}
.ac-specrow:last-child { border-bottom: none; }
.ac-specrow__label { font-size: 13px; color: var(--ac-muted) !important; -ms-flex-negative: 0; flex-shrink: 0; }
.ac-specrow__val {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  color: var(--ac-dark2) !important; text-align: right;
}
.ac-product-card__foot {
  padding: 16px 22px; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 12px;
}
.ac-product-card__price {
  font-family: var(--ac-font-head); font-size: 28px; font-weight: 700;
  color: var(--ac-dark2) !important;
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 14px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

@media (max-width: 768px) {
  .ac-layers { grid-template-columns: 1fr; }
  .ac-layer { border-right: none; border-bottom: 1px solid var(--ac-border); }
  .ac-layer:last-child { border-bottom: none; }
  .ac-compat-simple { grid-template-columns: 1fr; }
  .ac-product-card__body { grid-template-columns: 1fr; }
  .ac-product-card__col:first-child { border-right: none; border-bottom: 1px solid var(--ac-border); }
}


/* ============================================================
   Airmaster ДТК — SEO-блок категории «Серия ЦиклонЪ»
   Подключать через user.css
   ============================================================ */

/* ─── ПЕРЕМЕННЫЕ (если не заданы в user.css главной) ────────── */
.ac-wrap {
  --ac-bg:        #ffffff;
  --ac-bg2:       #f5f5f5;
  --ac-bg3:       #eeeeee;
  --ac-dark:      #2d2d2d;
  --ac-dark2:     #1a1a1a;
  --ac-border:    #e0e0e0;
  --ac-border2:   #cccccc;
  --ac-text:      #333333;
  --ac-muted:     #666666;
  --ac-radius:    4px;
  --ac-shadow:    0 2px 10px rgba(0,0,0,.07);
  --ac-shadow-h:  0 6px 20px rgba(0,0,0,.13);
  --ac-font-head: 'Oswald', sans-serif;
  --ac-font-body: 'PT Sans', sans-serif;
  font-family: var(--ac-font-body);
  color: var(--ac-text);
}

/* ─── ОБЩЕЕ ─────────────────────────────────────────────────── */
.ac-wrap *, .ac-wrap *::before, .ac-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }
.ac-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.ac-section { padding: 48px 0 44px; border-bottom: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-section--gray { background: var(--ac-bg2); }

/* ─── ШАПКА СЕКЦИИ ──────────────────────────────────────────── */
.ac-head { margin-bottom: 28px; }
.ac-head__label {
  display: inline-block;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--ac-dark); background: var(--ac-bg3);
  border: 1px solid var(--ac-border2);
  padding: 4px 12px; border-radius: 2px; margin-bottom: 10px;
}
.ac-head__title {
  font-family: var(--ac-font-head); font-size: clamp(20px, 2.8vw, 34px); font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.05; margin-bottom: 8px;
}
.ac-head__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-head__sub { font-size: 15px; line-height: 1.8; color: var(--ac-muted) !important; max-width: 780px; }
.ac-head__sub strong { color: var(--ac-text) !important; }

/* ─── INTRO: 2 колонки ──────────────────────────────────────── */
.ac-intro__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.ac-intro__text { font-size: 14px; line-height: 1.85; color: var(--ac-muted) !important; }
.ac-intro__text strong { color: var(--ac-text) !important; }
.ac-intro__text p { margin-bottom: 12px; }
.ac-intro__text p:last-child { margin-bottom: 0; }
.ac-intro__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ac-stat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-left: 4px solid var(--ac-dark);
  border-radius: var(--ac-radius); padding: 14px 16px;
  box-shadow: var(--ac-shadow);
}
.ac-stat__num {
  font-family: var(--ac-font-head); font-size: 32px; font-weight: 700;
  color: var(--ac-dark2) !important; line-height: 1; margin-bottom: 3px;
}
.ac-stat__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--ac-muted) !important;
}

/* ─── ПРЕИМУЩЕСТВА ──────────────────────────────────────────── */
.ac-feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ac-feat {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 22px 18px;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-feat:hover { transform: translateY(-3px); box-shadow: var(--ac-shadow-h); }
.ac-feat__icon {
  width: 44px; height: 44px; background: var(--ac-dark);
  border-radius: var(--ac-radius); margin-bottom: 14px;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-size: 20px;
}
.ac-feat__title {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important;
  letter-spacing: .3px; margin-bottom: 8px;
}
.ac-feat__title em { font-style: normal; color: var(--ac-dark) !important; }
.ac-feat__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-feat__text strong { color: var(--ac-text) !important; }

/* ─── МОДУЛЬНОСТЬ — главный графический блок ────────────────── */
.ac-modular { }
.ac-modular__schema {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 32px 28px;
  box-shadow: var(--ac-shadow); margin-bottom: 24px;
}
.ac-modular__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--ac-muted) !important;
  text-align: center; margin-bottom: 28px;
}

/* Схема ДТК */
.ac-dtk-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: stretch; -ms-flex-align: stretch; align-items: stretch;
  gap: 0; margin-bottom: 20px; border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden;
}
.ac-dtk-part {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 12px; text-align: center;
  border-right: 1px solid var(--ac-border);
  background: var(--ac-bg2);
  transition: background .2s;
}
.ac-dtk-part:last-child { border-right: none; }
.ac-dtk-part:hover { background: var(--ac-bg3); }
.ac-dtk-part--key { background: var(--ac-dark); }
.ac-dtk-part--key:hover { background: var(--ac-dark2); }
.ac-dtk-part__label {
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 6px;
  color: var(--ac-muted) !important;
}
.ac-dtk-part--key .ac-dtk-part__label { color: rgba(255,255,255,.5) !important; }
.ac-dtk-part__name {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; line-height: 1.2;
}
.ac-dtk-part--key .ac-dtk-part__name { color: #ffffff !important; }
.ac-dtk-part__note {
  font-size: 11px; color: var(--ac-muted) !important; margin-top: 4px; line-height: 1.4;
}
.ac-dtk-part--key .ac-dtk-part__note { color: rgba(255,255,255,.45) !important; }

/* Варианты */
.ac-variants {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px;
}
.ac-variant {
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; text-align: center;
  box-shadow: var(--ac-shadow);
  transition: transform .2s, box-shadow .2s;
}
.ac-variant:hover { transform: translateY(-2px); box-shadow: var(--ac-shadow-h); }
.ac-variant--avail { border-color: var(--ac-dark); }
.ac-variant__head {
  background: var(--ac-dark); padding: 10px 8px;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; letter-spacing: .5px;
  text-align: center;
}

/* Заметка про адаптеры */
.ac-adapter-notice {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: flex-start; -ms-flex-align: flex-start; align-items: flex-start;
  gap: 14px; margin-top: 16px;
  background: #fff8e1; border: 1px solid #f0c040;
  border-left: 4px solid #e0a800;
  border-radius: var(--ac-radius); padding: 14px 18px;
}
.ac-adapter-notice__icon { font-size: 20px; -ms-flex-negative: 0; flex-shrink: 0; margin-top: 1px; }
.ac-adapter-notice__text { font-size: 14px; line-height: 1.7; color: #5a4500 !important; }
.ac-adapter-notice__text strong { color: #3a2d00 !important; }
.ac-adapter-notice__text a { color: #3a2d00 !important; font-weight: 700; text-decoration: underline; }
.ac-variant__thread {
  padding: 10px 8px 4px;
  font-size: 12px; color: var(--ac-muted) !important; text-align: center;
  font-size: 11px; color: var(--ac-muted) !important;
}
.ac-variant__price {
  padding: 6px 8px 10px; border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  color: var(--ac-dark2) !important;
}
.ac-variant__link {
  display: block; padding: 8px; background: var(--ac-bg2);
  border-top: 1px solid var(--ac-border);
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
  color: var(--ac-dark2) !important; text-decoration: none !important;
  transition: background .2s;
}
.ac-variant__link:hover { background: var(--ac-bg3); }

/* Адаптер-схема */
.ac-adapter-schema {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 0; background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); overflow: hidden; margin-bottom: 20px;
  box-shadow: var(--ac-shadow);
}
.ac-adapter-step {
  -webkit-box-flex: 1; -ms-flex: 1; flex: 1;
  padding: 16px 14px; text-align: center;
  border-right: 1px solid var(--ac-border);
}
.ac-adapter-step:last-child { border-right: none; }
.ac-adapter-arrow {
  width: 32px; -ms-flex-negative: 0; flex-shrink: 0;
  text-align: center; font-size: 20px; color: var(--ac-border2) !important;
  border-right: 1px solid var(--ac-border); padding: 16px 0;
}
.ac-adapter-step__icon { font-size: 22px; margin-bottom: 6px; }
.ac-adapter-step__title {
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 3px;
}
.ac-adapter-step__sub { font-size: 11px; color: var(--ac-muted) !important; line-height: 1.4; }

/* Резьбы */
.ac-threads {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -ms-flex-wrap: wrap; flex-wrap: wrap; gap: 8px;
}
.ac-thread {
  padding: 6px 14px; border: 1px solid var(--ac-border);
  border-radius: 20px; background: var(--ac-bg);
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 600;
  color: var(--ac-dark2) !important;
}
.ac-thread--main {
  background: var(--ac-dark); border-color: var(--ac-dark);
  color: #ffffff !important;
}

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 13px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

/* ─── КАК ВЫБРАТЬ ───────────────────────────────────────────── */
.ac-choose { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ac-choose-card {
  background: var(--ac-bg); border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius); padding: 20px 20px;
  box-shadow: var(--ac-shadow);
}
.ac-choose-card__num {
  font-family: var(--ac-font-head); font-size: 36px; font-weight: 700;
  color: var(--ac-bg3) !important; line-height: 1; margin-bottom: 4px;
}
.ac-choose-card__title {
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 700;
  text-transform: uppercase; color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-choose-card__text { font-size: 13px; line-height: 1.75; color: var(--ac-muted) !important; }
.ac-choose-card__text strong { color: var(--ac-text) !important; }

/* ─── FAQ ───────────────────────────────────────────────────── */
.ac-faq { border: 1px solid var(--ac-border); border-radius: var(--ac-radius); overflow: hidden; box-shadow: var(--ac-shadow); }
.ac-faq details { border-top: 1px solid var(--ac-border); background: var(--ac-bg); }
.ac-faq details:first-of-type { border-top: none; }
.ac-faq details > summary {
  display: block !important; list-style: none !important;
  padding: 16px 22px; margin: 0; cursor: pointer; user-select: none;
  font-family: var(--ac-font-head); font-size: 13px; font-weight: 600;
  letter-spacing: .3px; text-transform: uppercase;
  color: var(--ac-dark2) !important; background: var(--ac-bg);
  width: 100%; -webkit-appearance: none;
}
.ac-faq details > summary::-webkit-details-marker { display: none !important; }
.ac-faq details > summary::marker { content: '' !important; }
.ac-faq details > summary::after {
  content: ' +'; font-family: var(--ac-font-body); font-size: 18px;
  font-weight: 300; color: var(--ac-dark2) !important; float: right;
}
.ac-faq details[open] > summary { background: var(--ac-bg2); }
.ac-faq details[open] > summary::after { content: ' \2212'; }
.ac-faq details > summary:hover { background: var(--ac-bg2); }
.ac-faq__answer {
  padding: 14px 22px 18px; font-size: 14px; line-height: 1.85;
  color: var(--ac-muted) !important; border-top: 1px solid var(--ac-border);
  background: var(--ac-bg2);
}
.ac-faq__answer strong { color: var(--ac-text) !important; }
.ac-faq__answer a { color: var(--ac-dark2) !important; font-weight: 700; text-decoration: underline; }

/* ─── CTA ───────────────────────────────────────────────────── */
.ac-cta {
  background: var(--ac-dark); padding: 44px 0 40px;
  position: relative; overflow: hidden;
}
.ac-cta__inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.ac-cta__title {
  font-family: var(--ac-font-head); font-size: clamp(18px, 2.5vw, 30px); font-weight: 700;
  text-transform: uppercase; color: #ffffff !important; margin-bottom: 6px;
}
.ac-cta__title em { font-style: normal; color: #aaaaaa !important; }
.ac-cta__sub { font-size: 13px; color: rgba(255,255,255,.45) !important; margin-bottom: 20px; }
.ac-cta__btns { display: -webkit-box; display: -ms-flexbox; display: flex; gap: 10px; -ms-flex-wrap: wrap; flex-wrap: wrap; }
.ac-btn {
  display: inline-block; padding: 12px 22px;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  border-radius: var(--ac-radius); text-decoration: none !important;
  border: 1px solid transparent; transition: background .2s, transform .15s;
  white-space: nowrap;
}
.ac-btn--primary { background: #ffffff !important; color: var(--ac-dark2) !important; border-color: #ffffff !important; }
.ac-btn--primary:hover { background: #eeeeee !important; transform: translateY(-2px); }
.ac-btn--outline { background: transparent !important; color: rgba(255,255,255,.8) !important; border-color: rgba(255,255,255,.3) !important; }
.ac-btn--outline:hover { color: #ffffff !important; border-color: rgba(255,255,255,.7) !important; transform: translateY(-2px); }

/* ─── Адаптив ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .ac-intro__grid { grid-template-columns: 1fr; }
  .ac-feats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
  .ac-choose { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ac-feats { grid-template-columns: 1fr; }
  .ac-intro__stats { grid-template-columns: 1fr 1fr; }
  .ac-variants { grid-template-columns: 1fr 1fr; }
}

/* ─── Гайд: шаги выбора ─────────────────────────────────────── */
.ac-guide-steps {
  counter-reset: guide-step;
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-orient: vertical; -webkit-box-direction: normal;
  -ms-flex-direction: column; flex-direction: column; gap: 0;
}
.ac-guide-step {
  display: grid; grid-template-columns: 64px 1fr;
  border: 1px solid var(--ac-border); border-bottom: none;
  background: var(--ac-bg); overflow: hidden;
}
.ac-guide-step:first-child { border-radius: var(--ac-radius) var(--ac-radius) 0 0; }
.ac-guide-step:last-child { border-bottom: 1px solid var(--ac-border); border-radius: 0 0 var(--ac-radius) var(--ac-radius); }
.ac-guide-step__num {
  background: var(--ac-dark); display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
  font-family: var(--ac-font-head); font-size: 22px; font-weight: 700;
  color: #fff !important; min-height: 80px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.ac-guide-step__body { padding: 20px 24px; }
.ac-guide-step__title {
  font-family: var(--ac-font-head); font-size: 17px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 8px;
}
.ac-guide-step__text { font-size: 14px; line-height: 1.75; color: var(--ac-text) !important; }
.ac-guide-step__text strong { color: var(--ac-dark2) !important; }
.ac-guide-step__text em { font-style: normal; color: var(--ac-muted) !important; }
.ac-guide-step__options {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px;
}
.ac-guide-option {
  background: var(--ac-bg2); border: 1px solid var(--ac-border);
  border-radius: 8px; padding: 12px 14px;
}
.ac-guide-option__label {
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--ac-muted) !important; margin-bottom: 4px;
}
.ac-guide-option__value {
  font-family: var(--ac-font-head); font-size: 14px; font-weight: 700;
  color: var(--ac-dark2) !important; margin-bottom: 4px;
}
.ac-guide-option__hint { font-size: 12px; color: var(--ac-muted) !important; line-height: 1.5; }
.ac-guide-option--rec { border-color: var(--ac-dark2); }
.ac-guide-option--rec .ac-guide-option__label { color: var(--ac-dark2) !important; }

/* ─── Таблица-подборщик по оружию ───────────────────────────── */
.ac-picker-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow); font-size: 13px;
}
.ac-picker-table th {
  background: var(--ac-dark); color: #fff !important;
  font-family: var(--ac-font-head); font-size: 11px; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 10px 14px; text-align: left;
  border-right: 1px solid rgba(255,255,255,.1);
}
.ac-picker-table th:last-child { border-right: none; }
.ac-picker-table td {
  padding: 11px 14px; border-bottom: 1px solid var(--ac-border);
  border-right: 1px solid var(--ac-border);
  color: var(--ac-text) !important; background: var(--ac-bg);
  vertical-align: middle;
}
.ac-picker-table td:last-child { border-right: none; }
.ac-picker-table tr:last-child td { border-bottom: none; }
.ac-picker-table tr:nth-child(even) td { background: var(--ac-bg2); }
.ac-picker-table td strong { color: var(--ac-dark2) !important; font-size: 13px; }
.ac-picker-table__group td {
  background: var(--ac-dark) !important;
  color: rgba(255,255,255,.6) !important;
  font-family: var(--ac-font-head); font-size: 10px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 14px;
}
.ac-picker-rec {
  display: inline-block; font-family: var(--ac-font-head); font-size: 11px;
  font-weight: 700; letter-spacing: .3px; padding: 3px 10px;
  border-radius: 20px; white-space: nowrap;
}
.ac-picker-rec--nov { background: #e8f0fe; color: #1a3d8f !important; border: 1px solid #b3c8f5; }
.ac-picker-rec--cyk { background: #fdf3e3; color: #7a4a00 !important; border: 1px solid #e8c87a; }
.ac-picker-rec--sig { background: #e8f4e8; color: #1a4d1a !important; border: 1px solid #a8d8a8; }

/* ─── Легенда ────────────────────────────────────────────────── */
.ac-legend {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  gap: 16px; -ms-flex-wrap: wrap; flex-wrap: wrap; margin-top: 12px;
}
.ac-legend-item {
  display: -webkit-box; display: -ms-flexbox; display: flex;
  -webkit-box-align: center; -ms-flex-align: center; align-items: center;
  gap: 8px; font-size: 13px; color: var(--ac-text) !important;
}

/* ─── Итоговая сравнительная таблица серий ───────────────────── */
.ac-series-compare {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius);
  overflow: hidden; box-shadow: var(--ac-shadow);
}
.ac-series-compare th {
  background: var(--ac-dark); color: #fff !important;
  font-family: var(--ac-font-head); font-size: 12px; font-weight: 700;
  letter-spacing: .5px; padding: 12px 16px; text-align: center;
  border-right: 1px solid rgba(255,255,255,.1);
}
.ac-series-compare th:first-child { text-align: left; }
.ac-series-compare th:last-child { border-right: none; }
.ac-series-compare td {
  padding: 11px 16px; border-bottom: 1px solid var(--ac-border);
  border-right: 1px solid var(--ac-border);
  color: var(--ac-text) !important; background: var(--ac-bg);
  font-size: 13px; text-align: center; vertical-align: middle;
}
.ac-series-compare td:first-child { text-align: left; color: var(--ac-muted) !important; }
.ac-series-compare td:last-child { border-right: none; }
.ac-series-compare tr:last-child td { border-bottom: none; }
.ac-series-compare tr:nth-child(even) td { background: var(--ac-bg2); }
.ac-series-compare td strong { color: var(--ac-dark2) !important; }
.ac-check { color: #2e7d32 !important; font-size: 16px; }
.ac-cross { color: #aaa !important; font-size: 16px; }

/* Динамическая цена */
.ac-price { font-family: var(--ac-font-head); font-size: 14px; color: var(--ac-dark2) !important; white-space: nowrap; }
.ac-price strong { color: var(--ac-dark2) !important; }

@media (max-width: 768px) {
  .ac-guide-step { grid-template-columns: 48px 1fr; }
  .ac-guide-step__num { font-size: 18px; }
  .ac-guide-step__options { grid-template-columns: 1fr; }
  .ac-picker-table, .ac-series-compare { font-size: 12px; }
  .ac-picker-table th, .ac-series-compare th { font-size: 10px; padding: 8px 10px; }
  .ac-picker-table td, .ac-series-compare td { padding: 8px 10px; }
}