.de_blockquote {
  margin: 0;
  padding: 0;
  position: relative;
  width: 60%;
  min-width: 400px;
  max-width: 820px;
  font-size: 1.25vw;
  line-height: 1.4;
  text-rendering: optimizeLegibility;
  font-smoothing: antialiased;
  -webkit-font-smoothing: antialiased;
  -moz-osx-fon-smoothing: grayscale;
}

.de_blockquote p:first-of-type:before {
  content: "\201c";
  position: absolute;
  left: -0.5em;
}

.de_blockquote p:last-of-type:after {
  content: "\201d";
  position: absolute;
}

.de_blockquote footer {
  position: relative;
}

.de_blockquote footer:before {
  content: "–";
  position: absolute;
  left: -0.6em;
}

@media screen and (max-width: 1600px) {
  .de_blockquote {
    font-size: 2vw;
  }
}

@media all and (max-width: 1200px) {
  .de_blockquote {
    font-size: 2.5vw;
  }
}

@media all and (max-width: 600px) {
  .de_blockquote {
    font-size: 18px;
  }
  .de_blockquote {
    width: 100%;
    min-width: 100%;
  }
}
#de_toc_container {
  background: #ffffff;
  padding: 15px;
  margin: 20px 0;
  border-radius: 8px;
  font-family: sans-serif;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}
#de_toc_container h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 10px;
  font-size: 16px;
  cursor: pointer;
}
#de_toc_container ul {
  padding-left: 20px;
  margin: 0;
  display: none;
}
#de_toc_container ul li {
  margin: 5px 0;
}
#de_toc_container ul li a {
  text-decoration: none;
  color: #007bff;
  font-weight: 500;
}
#de_toc_container ul li a:hover {
  text-decoration: underline;
}