.nx-system {
  padding: 100px 20px;
  background: #f5f7fb;
}

.nx-container{
    width: min(95vw, 1600px);
    margin: 0 auto;
    text-align: center;
}



.nx-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.nx-sub {
  font-size: 18px;
  color: #666;
  margin-bottom: 60px;
}

/* grid */
.nx-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* 카드 */
.nx-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  transition: 0.3s;
  text-align: left;
}

.nx-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.nx-img {
  background: #fff; /* 여백 깔끔하게 */
  display: flex;
  align-items: center;
  justify-content: center;
  height: 220px;
}

.nx-img img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* 🔥 핵심 */
}
/* 내용 */
.nx-content {
  padding: 25px;
}

.nx-content h3 {
  font-size: 22px;
  margin-bottom: 15px;
  font-weight: 700;
}

.nx-content ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.nx-content ul li {
  font-size: 18px;
  color: #444;
  margin-bottom: 8px;
  position: relative;
  padding-left: 14px;
}

.nx-content ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #33496f;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 8px;
}

/* 반응형 */
@media (max-width: 1024px) {
  .nx-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nx-grid {
    grid-template-columns: 1fr;
  }

  .nx-title {
    font-size: 28px;
  }

  .nx-img img {
    height: 180px;
  }
}