.problem {
  background-color: #e1f1ec;
  padding: 0px 50px;
  padding-bottom: 100px;
}
.problem__title h2 {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-size: 2.6rem;
  line-height: 48px;
  color: #000000;
}
.problem__item-title {
  background-color: white;
  border-spacing: 10px;
  border: 3px dashed #4990b4;
  border-radius: 10px;
  border-spacing: 10px !important;
  height: 130px;
}
.problem__item-title p {
  font-family: "Poppins";
  font-style: normal;
  text-align: center;
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-size: 19px;
  line-height: 28px;
  color: #000000;
}
.card-header {
  background-color: linear-gradient(
    90.47deg,
    #3b5998 24.5%,
    #4990b4 109.39%
  ) !important;
}
.problem__item-card {
  border-radius: 0;
  border-top-left-radius: 7px;
  border-top-right-radius: 7px;
  border: 3px solid #3b5998 !important;
}
.problem__item-card-header {
  height: 64px;
  border-radius: 0;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  position: relative;
  background: linear-gradient(90.47deg, #3b5998 24.5%, #4990b4 109.39%);
}

.problem__item-card-header p {
  font-family: "Poppins";
  font-style: normal;
  text-align: center;
  padding: 17px 20px;
  font-weight: 500;
  font-size: 18px;
  line-height: 27px;
  letter-spacing: 1px;
  color: #ffffff;
}
.problem__item-card-header::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-top: 15px solid #3b5998;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
}
.card-body p {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 500;
  font-size: 18px;
  line-height: 27px;
  text-align: center;
  letter-spacing: 2px;
  padding: 20px;
  color: #000000;
}
.card-body {
  height: 320px;
  background-color: #ffffff;
}
/*  */
.title__youtube {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-size: 40px;
  line-height: 60px;

  color: #3b5998;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* Độ cao của video theo tỷ lệ 16:9 */
  height: 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (min-width: 460px) {
  .card-body {
    height: auto;
  }
  .card-body img {
    margin-top: 50px !important;
  }
  .br {
    display: block;
    flex-wrap: wrap;
  }
  .company__title {
    width: 80%;
  }
}

@media (min-width: 992px) {
  .card-body {
    height: 320px;
  }
  .br {
    display: none;
  }
}
@media (min-width: 1300px) {
  .card-body {
    height: 320px;
  }
}