.tc-tutorial { max-width: 960px; margin: 24px auto; }
.tc-tutorial-media { overflow: hidden; border-radius: 14px; background: #f5f5f5; }
.tc-tutorial iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; }
@media (max-width: 767px) {
  .tc-tutorial { margin-top: 20px; }
}