:root {
  --base: 1920;
}

html {
  font-size: calc(10 / var(--base) * 100vw);
}

body {
  margin: 0;
}

.pc {
  display: block;
}

.mobile {
  display: none;
}

/* 隐私协议 */
.bg-description {
  background: url(https://df77izillhr4c.cloudfront.net/home/support_bg.jpg) no-repeat 50% / cover;
  height: 100vh;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: -1;
}

/*---rich text---*/
.document-description .rich-text-page {
  width: 848px;
  box-sizing: content-box;
  text-align: left;
  margin: 0 auto;
  padding: 60px 0 112px 0;
}

.rich-text-page .inner-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 30px;
}

.rich-text em {
  font-style: italic
}

.rich-text {
  color: #000;
  overflow: auto;
}

.rich-text a {
  color: #63717F;
  text-decoration: underline !important;
  text-underline-offset: 2px;
  font-weight: 500;
}

.rich-text a:hover {
  color: #11172B;
}

.rich-text p {
  font-size: 16px;
  color: #63717F;
  font-weight: 500;
  line-height: 1.5;
  margin: 16px 0;
}

.rich-text ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 16px;
}

.rich-text li {
  list-style: disc;
  color: #63717F;
  margin-left: 26px;
}

.rich-text li p {
  margin: 0;
}

.rich-text h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: normal;
  margin: 30px 0;
}

.rich-text h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
  margin: 30px 0 16px 0;
}

.rich-text h3 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin: 30px 0 16px 0;
}

.rich-text h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 16px 0;
  line-height: 1.4;
}


/* 设置表格 */
.rich-text table {
  border-right: 1px solid rgba(0, 0, 0, 0.10);
  border-bottom: 1px solid rgba(0, 0, 0, 0.10);
  width: 192rem;
}

.rich-text table th,
.rich-text table td {
  border-left: 1px solid rgba(0, 0, 0, 0.10);
  border-top: 1px solid rgba(0, 0, 0, 0.10);
  padding: 16px 20px;
}

.rich-text table a {
  word-break: break-all;
}


@media (max-width: 1023px),
(orientation: portrait) {
  :root {
    --base: 393;
  }

  .pc {
    display: none;
  }

  .mobile {
    display: block;
  }

  /* 隐私协议 */
  .bg-description {
    background: url(https://df77izillhr4c.cloudfront.net/home/support_bg_m.jpg) no-repeat 50% / cover;
  }

  /*---rich text---*/
  .document-description .rich-text-page {
    width: 34.1rem;
    padding: 3rem 0 9rem 0;
  }

  .rich-text p {
    font-size: 1.4rem;
  }

  .rich-text-page .inner-title {
    font-size: 3.2rem;
    margin-bottom: 2rem;
  }


  .rich-text h1 {
    font-size: 3.2rem;
    line-height: 1.25;
    margin: 20px 0;
  }

  .rich-text h2 {
    font-size: 2.4rem;
    line-height: 1.33;
    margin: 2rem 0 1.6rem 0;
  }

  .rich-text h3 {
    font-size: 2rem;
    margin: 2rem 0 1.6rem 0;
  }

  .rich-text h4 {
    font-size: 1.6rem;
    margin: 1.6rem 0;
    line-height: 1.5;
  }
}