.product__intro {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 50px;
}

.gallery {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.swiper-container {
  overflow: hidden;
  position: relative;
  width: 540px;
  height: 320px;
}

.thumbnail-slider .swiper-wrapper {
  transform: none !important;
}

.swiper-container.main-slider {
  margin-bottom: 20px;
}

.swiper-slide img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.thumbnail-container {
  margin-right: 20px;
}

.thumbnail-slider {
  width: 100px;
  height: 335px;
}

.thumbnail-slider .swiper-slide {
  width: 100px;
  height: auto;
  opacity: 0.4;
  cursor: pointer;
}

.thumbnail-slider .swiper-slide-thumb-active {
  opacity: 1;
}

/* description start */

.description {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 50px;
}
.description h2 {
  font-size: 26px;
  font-weight: 600;
  line-height: 20px;

  text-align: center;

  padding: 50px 0 20px;
}
.description p {
  font-size: 16px;
  font-weight: 400;
  line-height: 25px;
}
.case_info p {
  line-height: 23px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
th,
td {
  border: 1px solid #ddd;
  padding: 5px;
  text-align: left;
}
th {
  background-color: #f2f2f2;
}
tr:hover {
  background-color: #f5f5f5;
}

/*  */

.form-btn {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 50px;
}
.form-btn div {
  align-items: center;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.form-btn div > h1{
  text-align: center;
}

@media (max-width: 1200px) {
  .product__intro {
    gap: 20px;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 768px) {
  .gallery {
    flex-direction: column-reverse;
  }

  .swiper-vertical > .swiper-wrapper {
    flex-direction: row !important;
    gap: 10px;
  }

  .thumbnail-slider {
    width: 100%;
    height: 100px;
  }
}
@media (max-width: 600px) {
  .gallery {
    height: 450px;
  }
  .swiper-container {
    width: 400px;
  }
  .product__intro {
    align-items: start;
  }
}


@media (max-width: 455px) {
  .swiper-container {
    width: 385px;
  }
}

@media (max-width: 425px) {
  .swiper-container {
    width: 350px;
  }
  .description p {
    font-size: 14px;
  }
  .description h2 {
    font-size: 20px;
    padding: 50px 0 20px;
  }
  .thumbnail-slider .swiper-slide {
    width: 62px;
    height: 62px;
  }
}
@media (max-width: 375px) {
  /*.swiper-container {*/
  /*  width: 340px;*/
  /*}*/
  /*.thumbnail-slider .swiper-slide {*/
  /*  width: 80px;*/
  /*  height: 80px;*/
  /*}*/
  th,
  td {
    font-size: 14px;
  }
}

@media (max-width: 320px) {
  .swiper-container {
    width: 280px;
  }
  .gallery {
    height: 333px;
  }
  th,
  td {
    font-size: 12px;
  }
  .form-btn div > h1{
    font-size: 20px;
  }
  .hero__btn s {
    font-size: 14px;
    font-weight: 500;
    line-height: 24px;
    padding: 7px 24px;
    border: 1px solid rgb(0, 0, 0);
    border-radius: 10px;
    cursor: pointer;
    margin-top: 65px;
}
}