header .background .container > .row > div.image {
  background-image: url('/statics/images/site.gradient.png');
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
}

.intro .hero::after {
  content: "";
  display: block;
  clear: both;
}

.intro .hero .intro-profile {
  float: right;
  margin: 0 0 1rem 1.25rem;
  width: 300px;
  max-width: 40%;
}

.intro .hero .intro-profile img {
  padding-top: var(--px20);
  width: 100%;
  height: auto;
}

.intro .heading {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.intro .heading .logo {
  width: min(180px, 30vw);
  height: auto;
  margin-bottom: var(--px16);
}

.intro .heading .title {
  width: min(420px, 60vw);
  height: auto;
}

.intro .opening {
  word-break: keep-all;
}

.intro .opening .title {
  font-size: var(--px20);
}

.intro .opening img.title {
  display: block;
  width: 320px;
  height: auto;
  margin-bottom: 1rem;
}

@media (max-width: 767px) {
  .intro .opening img.title {
    width: 220px;
  }
}

@media (max-width: 575px) {
  .intro .opening img.title {
    width: 170px;
  }
}

@media (max-width: 375px) {
  .intro .opening img.title {
    width: 130px;
  }
}

.intro .opening p {
  margin-bottom: 1rem;
}

.intro .opening ul {
  padding-left: 1.25rem;
  margin: 0;
}

.intro .opening ul li {
  margin-bottom: 0.5rem;
}

.intro .opening ul li.mt-2 {
  margin-top: 1rem;
}

.intro .opening ul li div {
  margin-bottom: 0.25rem;
}

.intro .opening ul li span {
  color: #555;
}

.intro hr {
  border-top: 1px solid #ddd;
  margin: 2rem 0;
}

.intro .groups {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.intro .groups .subject .title {
  font-size: 1.35rem;
  font-weight: 500;
}

.intro .profile .subject {
  margin-bottom: 1rem;
}

.intro .profile .subject .title {
  font-size: 1.25rem;
  font-weight: 500;
}

.intro .profile .subject .desc {
  color: #666;
  margin: 0.25rem 0 0;
}

.intro .profile > .content > img {
  width: 100%;
  object-fit: cover;
  margin-bottom: var(--px20);
}

.intro .profile > .content > .texts {
  display: flex;
  gap: 1.5rem;
}

.intro .profile > .content > .texts > .left {
  width: 50%;
}

.intro .profile > .content .sub-title {
  font-size: var(--px18);
  font-weight: 700;
}

.intro .profile > .content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.intro .profile > .content ul li {
  margin-bottom: 0.25rem;
  word-break: keep-all;
}

.intro .profile > .content ul li b {
  font-weight: 600;
}

.intro .profile > .content ul li.mt-2 {
  margin-top: 0.75rem;
}

@media (max-width: 767px) {
  .intro .profile > .content > .texts {
    flex-direction: column;
  }

  .intro .profile > .content > .texts > .left {
    width: 100%;
  }
}