body {
  margin: 0;
  font-family: '微软雅黑','Microsoft YaHei',sans-serif,Helvetica,Arial;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }

p {
  font-size: 0.9rem;
}

h1, h2, p {
  margin: 1rem;
}

p.caption {
  font-size: 0.7rem;
  margin-bottom: 0;
  margin-top: 0;
}


ul li {
  list-style: circle;
  margin-bottom: 20px;
  font-size: 1rem;
  font-weight: normal;
}
ul li a {
  text-decoration: none;
}
ul li span {
  font-size: 0.7rem;
}

iframe { border: 0; }


/* MOBILE */
@media screen and (max-width: 600px) {
  iframe {
    height: 240px;
  }
}
/* DESKTOP */
@media screen and (min-width: 600px) {
  iframe {
    height: 400px;
    width: 700px;
    margin: 1rem auto;
    display: block;
  }
  h1, h2, p, ul {
    width: 700px;
    margin: 1rem auto;
  }
  ul{
    padding-left: 16px;
  }

}