.about {
  position: relative;
  width: 100%;
  transition: 0.3s;
}
.about .container {
  margin-bottom: -41px;
}
.about .title {
  padding-top: 90px !important;
  letter-spacing: 2px;
  box-sizing: border-box;
}
.about .title h2 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0;
  padding-bottom: 0;
}
.about .title span {
  font-size: 4.5rem;
  margin-top: 0px;
  padding-top: 0px;
  position: relative;
  top: -30px;
  color: #141722;
  font-weight: 900;
}
.about .progress {
  width: 100px;
  height: 5px !important;
  background-color: #0c3360 !important;
  position: absolute;
  top: 50%;
  left: 0;
}
.about .container .row .img {
  width: fit-content;
  block-size: fit-content;
  position: relative;
}
.about .container .row .img::before {
  /* content: ""; */
  position: absolute;
  top: 0;
  background-color: #0f7bff;
  width: 16px;
  height: 62%;
  opacity: 0.7;
}
.about .container .row .img::after {
  /* content: ""; */
  position: absolute;
  bottom: 0;
  right: 0;
  background-color: #0f7bff;
  width: 16px;
  height: 62%;
  opacity: 0.7;
}
.about .container .row .img .fa {
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: 1.5rem;
  color: white;
  opacity: 0;
  transition: 0.2s;
  cursor: pointer;
}
.about .container .row .img:hover .fa {
  top: 40%;
  left: 42%;
  font-size: 7rem;
  transition: 0.2s;
  opacity: 0.65;
}

/* Modal photo */
.about .modal-header {
  border: 0;
}

.about .modal-content {
  background-color: #343a40;
  position: relative;
  left: 0;
}

.about .content {
  font-weight: 100;
  line-height: 1.8;
}
.about .content h3 {
  font-size: 32px;
  margin: 0 0 5px 0;
  padding: 0;
  color: #0f7bff;
}
.about .content p {
  font-size: 18.5px;
  margin: 0;
}
.about .content ul {
  padding-inline-start: 0;
}
.about ul li {
  font-size: 18.5px;
  list-style: none;
  margin: 0;
  display: flex;
  align-items: center;
  margin: 0;
  display: flex;
  cursor: pointer;
}
.about .content ul li b {
  width: 120px;
}
.about .content ul li span {
  width: 80%;
}
.about .content button {
  margin: 0;
  width: 200px;
  height: 50px;
  color: white;
  background-color: #197fff;
  border: 0;
  position: relative;
  outline: none;
}
.about .content button::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2.5px;
  width: 0%;
  background-color: white;
  transition: 0.3s;
}
.about .content button:hover::before {
  width: 100%;
}
/* Serives */
.about .service-box {
  background-color: #191d2b;
  border-top: 5px #343a40 solid;
  border-right: 1px solid #343a40;
  border-left: 1px solid #343a40;
  border-bottom: 1px solid #343a40;
  transition: 0.4s;
  line-height: 1.7;
  font-size: 1.15rem;
}
.about .service-box:hover {
  border-top: #0f7bff 5px solid;
  transition: 0.3s;
}
.about .service-box .symbol {
  font-size: 40px;
}
.about .service-box h3 {
  font-size: 1.5rem;
}
.about .service-box .symbol .fa {
  color: #197fff;
}
.about .service-box .space {
  height: 2px;
  width: 50px;
  background-color: #343a40;
}

.about .review-box {
  padding: 35px 20px;
  background-color: #191d2b;
  font-size: 1.2rem;
  border-left: #343a40 5px solid;
  position: relative;
}
.about .review-box::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: -15px;
  width: 30px;
  height: 30px;
  background-color: #191d2b;
  transform: rotate(45deg);
  transform: skewY(-45deg);
}
.about .author {
  margin: 50px 0 100px 0;
}
.about .author .name {
  color: white;
  font-size: 1.35rem;
}

@media screen and (max-width: 992px) {
  .about .title {
    padding-top: 90px !important;
  }
  .about .title h2 {
    font-size: 2.4rem;
  }
  .about .title span {
    font-size: 4.2rem;
  }
}
@media screen and (max-width: 768px) {
  .about .content {
    margin: 30px 0;
  }
}
@media screen and (max-width: 576px) {
  .about .content p {
    font-size: 1.1rem;
  }
  .about .service-box,
  .review-box {
    font-size: 1.1rem;
  }
  .about .container .row .img:hover .fa {
    top: 40%;
    left: 42%;
    font-size: 5rem;
  }
}
@media screen and (max-width: 425px) {
  .about .title h2 {
    font-size: 2.2rem;
  }
  .about .title span {
    font-size: 2.3rem;
    top: -20px;
  }
  .about .content h3 {
    font-size: 1.5rem;
  }
  .about .content p {
    font-size: 1rem;
    margin: 15px 0;
  }
  .about .content ul li {
    display: block;
    font-size: 1rem;
  }
  .about .content ul li b {
    width: auto;
    display: inline-block;
  }
  .about .service-box,
  .review-box {
    font-size: 1.1rem;
  }
  .about .container .row .img:hover .fa {
    top: 37%;
    left: 40%;
    font-size: 4rem;
  }
}
@media screen and (max-width: 300px) {
  .about .content p {
    margin: 15px 0;
  }
  .about .title {
    padding-top: 70px !important;
    padding-bottom: 20px;
  }
  .about .title h2 {
    font-size: 1.8rem;
  }
  .about .title span {
    font-size: 2rem;
    top: -15px;
  }
}

/* .card-img{
    height: 450px;
} */

.progress_chil {
  width: 100px;
  height: 5px !important;
  background-color: #165cab !important;
  position: absolute;
  left: 0;
  margin-left: 50px;
}

/* Phong cách mặc định cho liên kết */
.responsive-link {
  text-decoration: none; /* Không gạch chân */
  text-align: center; /* Căn giữa nội dung */
  display: block; /* Đảm bảo nó chiếm toàn bộ chiều rộng */
  font-size: 18px; /* Kích thước chữ mặc định */
  color: #007bff; /* Màu liên kết */
  transition: color 0.3s ease; /* Hiệu ứng khi hover */
}

.responsive-link:hover {
  color: #0056b3; /* Đổi màu khi hover */
}

/* Ảnh responsive */
.responsive-img {
  width: 100%; /* Tự co giãn theo kích thước cha */
  height: auto; /* Giữ tỷ lệ */
}

/* Điều chỉnh cho màn hình nhỏ hơn */
@media (max-width: 768px) {
  .responsive-link {
    font-size: 16px; /* Giảm kích thước chữ */
  }
}

@media (max-width: 576px) {
  .responsive-link {
    font-size: 14px; /* Nhỏ hơn nữa trên màn hình rất nhỏ */
  }
}