.h5-business-assurance,
.h5-course-facts {
  box-sizing: border-box;
  color: #2d2724;
  background: #fffaf7;
  border: 1px solid #eddcd4;
  border-radius: 18px;
}

.h5-business-assurance {
  max-width: 1240px;
  margin: 34px auto 0;
  padding: 30px;
}

.h5-business-assurance h2,
.h5-course-facts h2 {
  margin: 0 0 10px;
  font-size: 24px;
}

.h5-business-assurance > p,
.h5-course-facts > p {
  margin: 0;
  color: #74655e;
  line-height: 1.8;
}

.h5-assurance-grid,
.h5-fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.h5-assurance-grid article,
.h5-fact-grid article {
  padding: 18px;
  background: #fff;
  border: 1px solid #efe3de;
  border-radius: 14px;
}

.h5-assurance-grid b,
.h5-fact-grid b {
  display: block;
  margin-bottom: 8px;
  color: #d94d31;
  font-size: 15px;
}

.h5-assurance-grid p,
.h5-fact-grid p {
  margin: 0;
  color: #5f514b;
  font-size: 14px;
  line-height: 1.75;
}

.h5-policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 20px;
}

.h5-policy-links a {
  color: #c8432b;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.h5-course-facts {
  margin: 18px 0;
  padding: 22px;
}

.h5-course-facts .h5-notice {
  margin-top: 18px;
  padding: 14px 16px;
  color: #69483e;
  background: #fff0e9;
  border-left: 4px solid #f15a38;
  border-radius: 8px;
}

/* H5支付域名只展示可在线购买的线上课程。 */
.course-tabs button:nth-child(2) { display: none !important; }

@media (max-width: 760px) {
  .h5-business-assurance {
    margin: 22px 16px 90px;
    padding: 20px;
  }

  .h5-assurance-grid,
  .h5-fact-grid {
    grid-template-columns: 1fr;
  }

  .h5-course-facts {
    margin: 18px 16px;
    padding: 18px;
  }

  .mobile-product-detail[src*="online-one-yuan"] {
    width: 100%;
    height: auto;
  }
}