.footer {
  background: #0d1a33;
  height: 135px;
  color: #ffffff;
}

.footer .box {
  width: calc(100% - 50px);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
}

.footer .logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.footer .logo img {
  height: 40px;
  width: 40px;
  border-radius: 10px;
  overflow: hidden;
  margin-right: 10px;
  display: block;
}

.footer {
  color: #ffffff;
}

.footer .post {
  display: flex;
  margin-left: 105px;
  margin-top: 10px;
}

.footer .post .item {
  margin-right: 24px;
  font-size: 16px;
  line-height: 1;
  color: #ffffff;
}

.footer .copyright {
  margin-top: 22px;
  font-size: 12px;
  line-height: 1;
  margin-left: 105px;
}

.mdown-block {
  display: none;
}

@media (max-width: 800px) {
  body {
    overflow-x: hidden;
  }

  .footer .box {
    height: 100%;
    display: unset;
    text-align: center;
  }

  .footer {
    overflow: hidden;
  }

  .footer .logo {
    display: flex;
    align-items: center;
    line-height: 1;
    justify-content: center;
  }

  .footer .logo img {
    height: 1.5rem;
    width: 1.5rem;
  }

  .footer {
    color: #ffffff;
    height: unset;
    z-index: 0;
  }

  .footer .post {
    display: flex;
    margin-left: 0;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
  }

  .footer .post .item {
    margin: 0 .6rem;
    font-size: 0.5rem;
    line-height: 1;
  }

  .footer .copyright {
    margin-top: 1rem;
    font-size: 0.5rem;
    line-height: 1;
    margin-left: 0;
    margin-bottom: 2rem;
  }

  .mdown-block {
    height: 5rem;
    width: 100%;
    background: #31246b;
    display: block;
  }

  .mdown {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    height: 5rem;
    width: 100%;
    background: #31246b;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 11;
  }

  .mdownlogo {
    display: flex;
    align-items: center;
    line-height: 1;
    color: #ffffff;
  }

  .mdownlogo img {
    height: 2rem;
    width: 2rem;
    margin-right: 1rem;
    margin-left: 1rem;
    border-radius: 10px;
    background: unset;
    background-size: 100% 100%;
  }

  .mdownburron {
    font-size: 1rem;
    width: 6rem;
    height: 2rem;
    line-height: 2rem;
    text-align: center;
    color: #2687e9;
    border-radius: 2rem;
    margin-right: 1rem;
    z-index: 11;
    background: linear-gradient(to right, #fefefe, #fefefe);
  }
}