.masthead .intro-body .brand-heading {
  font-size: 36px;
}

@media (min-width: 576px) {
  .masthead .intro-body .brand-heading {
    font-size: 50px;
  }
}

@media (min-width: 768px) {
  .masthead .intro-body .brand-heading {
    font-size: 80px;
  }
}

@media (min-width: 1200px) {
  .masthead .intro-body .brand-heading {
    font-size: 100px;
  }
}

@media (min-width: 992px) {
  .col-lg-8 {
    flex: 0 0 auto;
    width: 76%;
  }
}

@media (min-width: 1200px) {
  .col-lg-8 {
    flex: 0 0 auto;
    width: 80%;
  }
}

@media (min-width: 992px) {
  .navbar-expand-md .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
  }
}

#about:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: currentColor;
  z-index: 1;
}

#about {
  position: relative;
  text-align: center;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 0;
}

#about .container {
  z-index: 2;
  color: #fff;
}

footer {
  padding: 15px 0;
  text-align: center;
  font-size: 13px;
  font-family: auto;
}

footer p {
  font-size: 13px;
  margin: 0;
}

.text-muted {
  --bs-text-opacity: 1;
  color: var(--bs-body-bg) !important;
  font-size: initial;
}

.text-primary {
  --bs-text-opacity: 1;
  color: var(--bs-blue) !important;
}

.production-section .btn {
  background-color: var(--bs-blue) !important;
  border-color: var(--bs-blue) !important;
  border-radius: 3px !important;
  color: #ffffff !important;
  font-weight: bold;
}

.production-section .text-muted {
  color: var(--bs-secondary-color) !important;
  font-size: initial !important;
  text-align: left;
}

.form-control:focus {
  color: var(--bs-body-color);
  background-color: var(--bs-body-bg);
  border-color: var(--bs-blue);
  outline: 0;
  box-shadow: 0 0 0 .25rem var(--bs-blue);
}

.td-flex {
  display: flex;
  gap: 15px;
  align-items: center !important;
  align-content: center !important;
}

@media (min-width: 992px) {
  .content-section {
    padding-top: 100px;
    padding-bottom: 100px;
  }
}

body {
  font-family: "microsoft Yahei","Lora","Helvetica Neue",Helvetica,Arial,sans-serif;
  position: relative;
  width: 100%;
  height: 100%;
  color: #fff;
  background-color: #000;
}

.logo {
  width: 128px;
}

@media (min-width: 992px) {
  .logo {
    width: 260px;
  }
}