.product-intro-section {
  max-width: 1100px;
  margin: 80px auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.section {
  margin-bottom: 150px;
}

.section:not(:first-of-type) {
  margin-top: 80px;
}

.section-content {
  text-align: left;
}

.section h2 {
  font-size: 1.9rem;
  color: var(--main-color);
  border-left: 6px solid var(--main-color);
  padding-left: 14px;
  margin-bottom: 20px;
  color: #222;
  margin-top: 20px;
}

.section p {
  margin: 12px 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #444;
  padding-left : 14px;
}

.section h4 {
text-align: center;
color: #444;
}

.image {
  text-align: center;
  margin: 28px 0;
}

.img-diagram {
  max-width: 45%;
  height: auto;
  margin-top: 20px;
  transition: transform 0.4s ease;
}
.img-diagram:hover {
  transform: translateY(-6px) scale(1.03);
}

.diagram img:hover {
  transform: translateY(-8px) scale(1.05);
}


.img-reason {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.img-reason:hover {
  animation: shakeX 1s ease infinite;
}

@keyframes shakeX {
  0%   { transform: translateX(5); }
  25%  { transform: translateX(-5px); }
  50%  { transform: translateX(5px); }
  75%  { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}

.bacteria-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin: 40px 0;
}

.bacteria-icons img {
  width: 180px;
  height: auto;
  transition: transform 0.4s ease;
  margin-right: 60px;
}

.bacteria-icons img:hover {
  transform: translateY(-8px) scale(1.05);
}

 .benefits-boxes {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 16px;
    margin-top: 36px;
  }

  .benefits-boxes .box {
    background: var(--box-bg);
    color: var(--deep-text);
    padding: 20px 14px;
    border-radius: 16px;
    flex: 1;
    text-align: center;
    font-size: 0.96rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 160px;
  }

  .benefits-boxes .box:hover {
    background: #dce6ed;
    transform: translateY(-3px);
  }

  .box .icon {
    font-size: 3.2rem;
    display: block;
    margin-bottom: 8px;
  }

  .box .title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 6px;
    color: #222;
  }

  .box .desc {
    font-size: 0.95rem;
    color: #444;
  }

  .call-to-action {
  border-left: 6px solid #7da3c3;
  background-color:#eff6fb;
  padding: 20px;
  margin: 40px auto;
  font-size: 1.0rem;
  color: #333;
  line-height: 1.6;
  max-width: 1000px;
  font-weight: bold;
  text-align: center;
  }

@media (max-width: 1024px) {
  .benefits-boxes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .benefits-boxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .bacteria-icons {
    flex-wrap: wrap; /* ✅ 줄바꿈 허용 */
    gap: 20px;
  }

  .bacteria-icons img {
    width: 120px;     /* ✅ 크기 축소 */
    margin-right: 0;  /* ✅ 불필요한 간격 제거 */
  }
    .img-diagram {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin: 0 auto;
    padding: 0 16px; /* ✅ 좌우 여백 직접 추가 */
    box-sizing: border-box; /* ✅ 여백 포함 */
  }

  /* 원래대로 복구! */
  .product-intro-section {
    padding: 0 20px !important;
  }

  .image {
    padding: 0 !important;
    margin: 0 !important;
  }
}

@media (max-width: 480px) {
  .benefits-boxes {
    display: grid;
    grid-template-columns: 1fr;
  }

  .benefits-boxes .box {
    font-size: 1.05rem;
    padding: 20px 16px;
    min-height: auto;
  }

  .box .title {
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .box .desc {
    font-size: 1rem;
    line-height: 1.6;
  }
}