:root {
  --zen-bg: #334155;
  --zen-bg-gradient: linear-gradient(135deg, rgba(51,65,85,0.98) 0%, rgba(51,65,85,0.94) 100%);
  --zen-bg-gradient-light: linear-gradient(135deg, rgba(51,65,85,0.92) 0%, rgba(51,65,85,0.88) 100%);
  --zen-bg-card: rgba(44,56,78,0.94);
  --zen-bg-card-gradient: linear-gradient(120deg, rgba(51,65,85,0.96) 0%, rgba(51,65,85,0.86) 100%);
  --zen-bg-footer: #2a3447;
  --zen-accent: #EC4899;
  --zen-accent-light: #f472b6;
  --zen-shadow: 0 4px 24px 0 rgba(51,65,85,0.13), 0 1.5px 8px 0 rgba(236,72,153,0.04);
  --zen-radius: 18px;
  --zen-radius-sm: 10px;
  --zen-radius-lg: 32px;
  --zen-text: #f1f5f9;
  --zen-text-secondary: #cbd5e1;
  --zen-border: 1px solid rgba(236,72,153,0.13);
  --zen-transition: all 0.22s cubic-bezier(.4,0,.2,1);
  --zen-max-width: 1240px;
  --zen-card-padding: 2.2rem 2.4rem;
  --zen-section-padding: 64px 0 44px 0;
  --zen-gap: 2.2rem;
  --zen-gap-lg: 3.2rem;
  --zen-gap-sm: 1.1rem;
  --zen-font: 'Inter', 'Segoe UI', Arial, sans-serif;
  --zen-btn-shadow: 0 2px 8px 0 rgba(236,72,153,0.13);
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--zen-font);
  background: var(--zen-bg-gradient);
  color: var(--zen-text);
  font-size: 14px;
  letter-spacing: 0.01em;
  min-height: 100vh;
  scroll-behavior: smooth;
}

body.zenmath-body {
  min-height: 100vh;
  background: var(--zen-bg-gradient);
  color: var(--zen-text);
}

a {
  color: var(--zen-accent);
  text-decoration: none;
  transition: color 0.18s;
}
a:hover, a:focus {
  color: var(--zen-accent-light);
}

.zenmath-header {
  background: var(--zen-bg-gradient-light);
  box-shadow: var(--zen-shadow);
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
}

.zenmath-header-inner {
  max-width: var(--zen-max-width);
  margin: 0 auto;
  padding: 0.6rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--zen-gap);
}

.zenmath-logo-link {
  display: flex;
  align-items: center;
}
.zenmath-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 2px 10px 0 rgba(236,72,153,0.07);
  background: var(--zen-bg-card);
  object-fit: cover;
  transition: box-shadow 0.18s;
}
.zenmath-logo-link:hover .zenmath-logo {
  box-shadow: 0 4px 16px 0 rgba(236,72,153,0.18);
}

.zenmath-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}
.zenmath-menu {
  display: flex;
  gap: 1.7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.zenmath-menu-item {
  margin: 0;
  padding: 0;
}
.zenmath-menu-link {
  color: var(--zen-text);
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: var(--zen-radius-sm);
  transition: var(--zen-transition);
  position: relative;
}
.zenmath-menu-link:hover, .zenmath-menu-link:focus {
  background: rgba(236,72,153,0.09);
  color: var(--zen-accent);
  text-shadow: 0 1px 8px rgba(236,72,153,0.08);
}

main {
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  background: none;
}

.zenmath-section {
  padding: var(--zen-section-padding);
  background: var(--zen-bg-gradient);
  position: relative;
}

.zenmath-section-inner {
  max-width: var(--zen-max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.zenmath-section-title {
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 2.2rem;
  color: var(--zen-text);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 16px rgba(51,65,85,0.12);
}

.zenmath-title {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 1.1rem;
  color: var(--zen-accent);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 18px rgba(236,72,153,0.11);
}

.zenmath-tagline {
  color: var(--zen-text-secondary);
  font-size: 1.13rem;
  margin-bottom: 1.7rem;
  font-weight: 400;
  line-height: 1.5;
}

.zenmath-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: var(--zen-gap-lg);
  background: var(--zen-bg-gradient-light);
  min-height: 440px;
  position: relative;
  border-radius: var(--zen-radius-lg);
  box-shadow: var(--zen-shadow);
  margin: 2.2rem auto 0 auto;
  max-width: var(--zen-max-width);
  overflow: hidden;
}

.zenmath-hero-media {
  flex: 1 1 380px;
  min-width: 320px;
  max-width: 520px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius-lg) 0 0 var(--zen-radius-lg);
}
.zenmath-hero-video,
.zenmath-hero-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--zen-radius-lg) 0 0 var(--zen-radius-lg);
  box-shadow: 0 2px 18px 0 rgba(51,65,85,0.13);
  background: var(--zen-bg-card);
  display: block;
}
.zenmath-hero-art {
  position: absolute;
  left: 0; top: 0;
  z-index: 2;
  opacity: 0.88;
  pointer-events: none;
}

.zenmath-hero-content {
  flex: 2 1 420px;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3.2rem 2.7rem 2.7rem 2.7rem;
  background: var(--zen-bg-card-gradient);
  border-radius: 0 var(--zen-radius-lg) var(--zen-radius-lg) 0;
  box-shadow: 0 2px 18px 0 rgba(236,72,153,0.06);
  position: relative;
  z-index: 1;
}

.zenmath-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin: 0 0 1.7rem 0;
  padding: 0;
  list-style: none;
}
.zenmath-feature-item {
  background: rgba(236,72,153,0.09);
  color: var(--zen-accent);
  font-weight: 500;
  padding: 0.45rem 1.2rem;
  border-radius: var(--zen-radius-sm);
  font-size: 0.98rem;
  box-shadow: 0 1.5px 8px 0 rgba(236,72,153,0.07);
  letter-spacing: 0.01em;
}

.zenmath-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin-top: 1.1rem;
}

.zenmath-btn {
  display: inline-block;
  background: var(--zen-accent);
  color: #fff;
  font-weight: 600;
  padding: 0.68rem 1.7rem;
  border-radius: var(--zen-radius);
  font-size: 1.02rem;
  box-shadow: var(--zen-btn-shadow);
  border: none;
  outline: none;
  cursor: pointer;
  transition: var(--zen-transition), box-shadow 0.13s, background 0.13s, color 0.13s;
  position: relative;
  z-index: 1;
}
.zenmath-btn:hover, .zenmath-btn:focus {
  background: #fff;
  color: var(--zen-accent);
  box-shadow: 0 4px 18px 0 rgba(236,72,153,0.18);
  border: 1px solid var(--zen-accent);
}

.zenmath-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--zen-gap-lg);
  align-items: stretch;
}

.zenmath-text-block {
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius);
  box-shadow: var(--zen-shadow);
  padding: var(--zen-card-padding);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.zenmath-media-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1.2rem;
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius);
  box-shadow: var(--zen-shadow);
  padding: 1.7rem 1.7rem;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.zenmath-image {
  width: 100%;
  max-width: 340px;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--zen-radius-sm);
  box-shadow: 0 2px 14px 0 rgba(236,72,153,0.10);
  margin-bottom: 1.1rem;
}

.zenmath-world-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.zenmath-world-list li {
  position: relative;
  padding-left: 1.3em;
  color: var(--zen-text-secondary);
  font-size: 0.99rem;
  letter-spacing: 0.01em;
}
.zenmath-world-list li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0.1em;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--zen-accent);
  opacity: 0.5;
  transform: translateY(-50%);
}

.zenmath-subtitle {
  font-size: 1.17rem;
  font-weight: 700;
  color: var(--zen-accent);
  margin: 1.7rem 0 0.6rem 0;
  letter-spacing: 0.01em;
}

.zenmath-list {
  margin: 0 0 1.1rem 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.zenmath-list li {
  position: relative;
  padding-left: 1.4em;
  color: var(--zen-text-secondary);
  font-size: 0.99rem;
  letter-spacing: 0.01em;
}
.zenmath-list li::before {
  content: '';
  display: inline-block;
  position: absolute;
  left: 0.1em;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zen-accent);
  opacity: 0.34;
  transform: translateY(-50%);
}

.zenmath-list ol, .zenmath-list ul {
  margin: 0;
  padding: 0;
}

.zenmath-features {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.zenmath-features li {
  background: rgba(236,72,153,0.08);
  color: var(--zen-text);
  padding: 1.1rem 1.2rem;
  border-radius: var(--zen-radius-sm);
  font-size: 0.99rem;
  box-shadow: 0 1.5px 8px 0 rgba(236,72,153,0.04);
  position: relative;
}
.zenmath-features li strong {
  color: var(--zen-accent);
  font-weight: 700;
}

.zenmath-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--zen-gap-lg);
}

.zenmath-block {
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius-sm);
  box-shadow: var(--zen-shadow);
  padding: 2.1rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.zenmath-list-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--zen-gap-lg);
  margin-bottom: 2.2rem;
}

.zenmath-stats {
  background: rgba(236,72,153,0.07);
  color: var(--zen-accent);
  border-radius: var(--zen-radius-sm);
  padding: 1.1rem 2.2rem;
  font-weight: 600;
  font-size: 1.09rem;
  box-shadow: 0 2px 8px 0 rgba(236,72,153,0.07);
  margin: 1.7rem 0 0 0;
}

.zenmath-reviews-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--zen-gap);
}
.zenmath-review {
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius);
  box-shadow: var(--zen-shadow);
  padding: 1.7rem 1.4rem 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
}
.zenmath-review-author {
  font-weight: 700;
  color: var(--zen-accent);
  margin: 0 0 0.5rem 0;
  font-size: 1.01rem;
}
.zenmath-review-text {
  color: var(--zen-text-secondary);
  font-size: 0.99rem;
  margin: 0;
}

.zenmath-qa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--zen-gap-lg);
}
.zenmath-qa-item {
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius-sm);
  box-shadow: var(--zen-shadow);
  padding: 1.7rem 1.4rem;
  margin-bottom: 0.7rem;
}
.zenmath-question {
  color: var(--zen-accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.01rem;
}
.zenmath-answer {
  color: var(--zen-text-secondary);
  font-size: 0.99rem;
  margin: 0;
}

.zenmath-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--zen-gap);
  margin-top: 2.2rem;
}
.zenmath-figure {
  background: var(--zen-bg-card-gradient);
  border-radius: var(--zen-radius-sm);
  box-shadow: var(--zen-shadow);
  padding: 1.1rem 1.1rem 0.7rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}
.zenmath-shot {
  width: 100%;
  max-width: 220px;
  max-height: 140px;
  object-fit: cover;
  border-radius: var(--zen-radius-sm);
  box-shadow: 0 2px 14px 0 rgba(236,72,153,0.09);
  margin-bottom: 0.7rem;
}
.zenmath-figure figcaption {
  color: var(--zen-text-secondary);
  font-size: 0.93rem;
  text-align: center;
  margin-bottom: 0.2rem;
}

.zenmath-caption {
  color: var(--zen-text-secondary);
  font-size: 1.02rem;
  margin-bottom: 0.9rem;
  text-align: left;
}

.zenmath-cta {
  display: flex;
  gap: 1.1rem;
  margin-top: 2.2rem;
}

.zenmath-cookie {
  display: none;
  position: fixed;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--zen-bg-card-gradient);
  color: var(--zen-text-secondary);
  border-radius: var(--zen-radius);
  box-shadow: 0 4px 24px 0 rgba(236,72,153,0.13);
  padding: 1.1rem 2.2rem;
  z-index: 999;
  align-items: center;
  gap: 1.7rem;
  min-width: 320px;
  max-width: 94vw;
  font-size: 0.99rem;
  animation: zenmath-cookie-fadein 0.5s;
}
@keyframes zenmath-cookie-fadein {
  from { opacity: 0; transform: translateX(-50%) translateY(30px);}
  to { opacity: 1; transform: translateX(-50%) translateY(0);}
}
.zenmath-cookie-text {
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
}
.zenmath-cookie-btn {
  background: var(--zen-accent);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: var(--zen-radius-sm);
  padding: 0.6rem 1.5rem;
  cursor: pointer;
  box-shadow: var(--zen-btn-shadow);
  transition: var(--zen-transition), background 0.13s, color 0.13s;
}
.zenmath-cookie-btn:hover, .zenmath-cookie-btn:focus {
  background: #fff;
  color: var(--zen-accent);
  border: 1px solid var(--zen-accent);
}

.zenmath-footer {
  background: var(--zen-bg-footer);
  color: var(--zen-text-secondary);
  padding: 3.2rem 0 2.2rem 0;
  box-shadow: 0 -2px 16px 0 rgba(51,65,85,0.13);
  margin-top: 3.2rem;
}
.zenmath-footer-inner {
  max-width: var(--zen-max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr 1.3fr;
  gap: var(--zen-gap-lg);
}
.zenmath-footer-col {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-width: 0;
}
.zenmath-footer-logo img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--zen-bg-card);
  box-shadow: 0 2px 8px 0 rgba(236,72,153,0.09);
  margin-bottom: 0.7rem;
}
.zenmath-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.zenmath-footer-links a {
  color: var(--zen-text-secondary);
  font-weight: 500;
  padding: 0.2rem 0.1rem;
  border-radius: var(--zen-radius-sm);
  transition: var(--zen-transition);
}
.zenmath-footer-links a:hover, .zenmath-footer-links a:focus {
  color: var(--zen-accent);
  background: rgba(236,72,153,0.09);
}

.zenmath-summary {
  background: var(--zen-bg-gradient-light);
  border-radius: var(--zen-radius-lg);
  box-shadow: var(--zen-shadow);
  margin-bottom: 2.2rem;
}

@media (max-width: 1100px) {
  .zenmath-header-inner, .zenmath-section-inner, .zenmath-footer-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .zenmath-grid, .zenmath-two-column, .zenmath-list-blocks, .zenmath-gallery-grid, .zenmath-footer-inner, .zenmath-reviews-list, .zenmath-qa {
    grid-template-columns: 1fr 1fr !important;
  }
}

@media (max-width: 800px) {
  .zenmath-header-inner {
    flex-direction: column;
    gap: 0.7rem;
  }
  .zenmath-hero {
    flex-direction: column;
    min-height: unset;
    border-radius: var(--zen-radius);
  }
  .zenmath-hero-media, .zenmath-hero-content {
    border-radius: var(--zen-radius);
    min-width: 0;
    max-width: 100%;
    padding: 1.1rem 1.1rem;
  }
  .zenmath-hero-media {
    min-height: 180px;
    border-radius: var(--zen-radius) var(--zen-radius) 0 0;
  }
  .zenmath-hero-content {
    border-radius: 0 0 var(--zen-radius) var(--zen-radius);
    padding: 2.2rem 1.1rem 1.5rem 1.1rem;
  }
  .zenmath-grid, .zenmath-two-column, .zenmath-list-blocks, .zenmath-gallery-grid, .zenmath-footer-inner, .zenmath-reviews-list, .zenmath-qa {
    grid-template-columns: 1fr !important;
    gap: var(--zen-gap);
  }
  .zenmath-section {
    padding: 38px 0 22px 0;
  }
  .zenmath-section-title {
    font-size: 1.5rem;
    margin-bottom: 1.2rem;
  }
  .zenmath-title {
    font-size: 1.7rem;
  }
  .zenmath-footer-inner {
    padding: 0 1rem;
  }
  .zenmath-footer {
    padding: 2.2rem 0 1.2rem 0;
  }
}

@media (max-width: 600px) {
  .zenmath-header-inner, .zenmath-section-inner, .zenmath-footer-inner {
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }
  .zenmath-hero-content, .zenmath-hero-media, .zenmath-text-block, .zenmath-media-block, .zenmath-block, .zenmath-qa-item, .zenmath-review, .zenmath-figure {
    padding: 1.1rem 0.7rem !important;
  }
  .zenmath-section-title {
    font-size: 1.18rem;
  }
  .zenmath-title {
    font-size: 1.21rem;
  }
  .zenmath-btn, .zenmath-cookie-btn {
    padding: 0.5rem 1.1rem;
    font-size: 0.95rem;
  }
  .zenmath-footer-inner {
    grid-template-columns: 1fr !important;
    gap: var(--zen-gap);
  }
  .zenmath-cookie {
    padding: 0.7rem 0.7rem;
    font-size: 0.95rem;
    bottom: 0.7rem;
  }
  .zenmath-gallery-grid {
    grid-template-columns: 1fr !important;
  }
  .zenmath-reviews-list {
    grid-template-columns: 1fr !important;
  }
}

::-webkit-scrollbar {
  width: 9px;
  background: #263043;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #334155 60%, #EC4899 100%);
  border-radius: 10px;
  opacity: 0.33;
}