:root {
  --xny-primary: #18c8ff;
  --xny-primary-dark: #0f7aa8;
  --xny-purple: #8b5cf6;
  --xny-bg-dark: #050b18;
  --xny-bg-section: #071225;
  --xny-bg-card: rgba(12, 28, 55, 0.82);
  --xny-text-main: #ffffff;
  --xny-text-sub: #b8c7df;
  --xny-border: rgba(34, 211, 238, 0.22);
}

.xny-section {
  padding: 48px 0;
}

.xny-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.xny-about-advantages {
  background: linear-gradient(180deg, var(--xny-bg-section) 0%, var(--xny-bg-dark) 100%);
}

.xny-about-advantages-header {
  text-align: center;
  margin-bottom: 40px;
}

.xny-about-advantages-header h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3vw, 38px);
  color: var(--xny-text-main);
  font-weight: 800;
}

.xny-underline {
  width: 80px;
  height: 4px;
  margin: 0 auto 20px;
  background: linear-gradient(90deg, var(--xny-primary), var(--xny-purple));
  border-radius: 2px;
}

.xny-about-advantages-header p {
  max-width: 800px;
  margin: 0 auto;
  color: var(--xny-text-sub);
  font-size: 16px;
  line-height: 1.8;
}

.xny-about-advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.xny-advantage-card {
  position: relative;
  background: var(--xny-bg-card);
  border: 1px solid var(--xny-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  min-height: 520px;
}

.xny-advantage-card:hover {
  border-color: rgba(24, 200, 255, 0.6);
  box-shadow: 0 20px 50px rgba(24, 200, 255, 0.15);
  transform: translateY(-8px);
}

.xny-advantage-card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 24px;
  background: linear-gradient(180deg, rgba(24, 200, 255, 0.15) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-bottom: 1px solid var(--xny-border);
}

.xny-advantage-card-header i {
  font-size: 42px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--xny-primary), var(--xny-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.xny-advantage-card-header h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--xny-text-main);
}

.xny-advantage-card-body {
  padding: 24px;
}

.xny-advantage-card-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.xny-advantage-card-body li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  color: var(--xny-text-sub);
  font-size: 14px;
  line-height: 1.7;
}

.xny-advantage-card-body li:last-child {
  margin-bottom: 0;
}

.xny-advantage-card-body li i {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 8px;
  color: var(--xny-primary);
}

.xny-advantage-card-btn {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  background: linear-gradient(90deg, var(--xny-primary), var(--xny-purple));
  color: var(--xny-text-main);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  cursor: pointer;
}

.xny-advantage-card:hover .xny-advantage-card-btn {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.xny-advantage-card-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(24, 200, 255, 0.35);
}

@media (max-width: 960px) {
  .xny-about-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .xny-about-advantages-grid {
    grid-template-columns: 1fr;
  }
}