.doubaoppt-refresh {
  background:
    linear-gradient(105deg, #eaf3ff 0%, #d8fbef 30%, rgba(255, 255, 255, 0) 52%),
    linear-gradient(180deg, #edf9ff 0, #e9fff8 210px, #fff 430px, #fff 100%);
}

.doubaoppt-refresh .site-header {
  justify-content: flex-end;
  padding: 18px 42px;
}

.doubaoppt-refresh .header-link {
  color: #1f4d50;
}

.doubaoppt-refresh .header-link:hover {
  color: #12bfa6;
}

.doubaoppt-refresh .hero {
  padding: 82px 24px 76px;
}

.doubaoppt-refresh .hero-inner {
  grid-template-columns: minmax(0, 430px) minmax(420px, 650px);
  gap: 78px;
}

.doubaoppt-refresh .primary-button {
  width: 156px;
  height: 54px;
  border-radius: 8px;
  background: linear-gradient(100deg, #12c9a1 0%, #14c4b6 48%, #22c4db 100%);
  box-shadow: 0 12px 26px rgba(18, 196, 182, 0.26);
  font-size: 18px;
}

.doubaoppt-refresh .primary-button:hover {
  box-shadow: 0 16px 32px rgba(18, 196, 182, 0.34);
  transform: translateY(-2px);
}

.doubaoppt-refresh .showcase-frame {
  overflow: hidden;
  border: 1px solid rgba(178, 224, 185, 0.18);
  border-radius: 22px;
  background: linear-gradient(135deg, #07120d 0%, #10261a 52%, #1b3b28 100%);
  box-shadow: 0 24px 60px rgba(7, 31, 19, 0.28);
}

.doubaoppt-refresh .showcase-frame img {
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  object-fit: cover;
}

@media (max-width: 960px) {
  .doubaoppt-refresh .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 42px;
    max-width: 680px;
    text-align: center;
  }

  .doubaoppt-refresh .showcase-frame {
    width: min(100%, 620px);
    margin: 0 auto;
  }

  .doubaoppt-refresh .content-card-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .doubaoppt-refresh {
    background:
      linear-gradient(112deg, #eaf3ff 0%, #d8fbef 34%, rgba(255, 255, 255, 0) 58%),
      linear-gradient(180deg, #edf9ff 0, #f1fffb 180px, #fff 340px, #fff 100%);
  }

  .doubaoppt-refresh .site-header {
    padding: 14px 20px;
  }

  .doubaoppt-refresh .hero {
    padding: 38px 20px 52px;
  }

  .doubaoppt-refresh .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    max-width: 100%;
    text-align: center;
  }

  .doubaoppt-refresh .primary-button {
    width: 148px;
    height: 50px;
  }

  .doubaoppt-refresh .showcase-frame {
    width: min(100%, 520px);
    margin: 0 auto;
    border-radius: 16px;
  }

  .doubaoppt-refresh .showcase-frame img {
    border-radius: 14px;
  }
}

.doubaoppt-refresh .content-section {
  max-width: 1280px;
  padding: 92px 24px 112px;
}

.doubaoppt-refresh .section-title {
  margin-bottom: 18px;
  font-size: 40px;
  font-weight: 750;
}

.doubaoppt-refresh .section-subtitle {
  margin-bottom: 72px;
  color: #667386;
  font-size: 19px;
}

.doubaoppt-refresh .content-card-list {
  gap: 32px 34px;
}

.doubaoppt-refresh .content-card-list li {
  min-height: 430px;
  border-color: #eef2f5;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(21, 38, 33, 0.08);
  padding: 30px 28px 28px;
}

.doubaoppt-refresh .content-card-title {
  margin: 0 0 16px;
  color: #07120d;
  font-size: 22px;
  font-weight: 750;
  line-height: 1.35;
}

.doubaoppt-refresh .content-card-body {
  min-height: 68px;
  margin: 0 0 22px;
  color: #6a7686;
  font-size: 17px;
  line-height: 1.78;
}

.doubaoppt-refresh .content-card-image {
  display: block;
  width: 100%;
  margin-top: 0;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: #07120d;
  object-fit: cover;
}

.doubaoppt-refresh .qa-section {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px 112px;
}

.doubaoppt-refresh .qa-section .section-title {
  margin-bottom: 42px;
}

.doubaoppt-refresh .qa-list {
  display: grid;
  gap: 14px;
}

.doubaoppt-refresh .qa-list details {
  border: 1px solid #eef2f5;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(21, 38, 33, 0.07);
  padding: 0;
}

.doubaoppt-refresh .qa-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #07120d;
  cursor: pointer;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  list-style: none;
  padding: 22px 24px;
}

.doubaoppt-refresh .qa-list summary::-webkit-details-marker {
  display: none;
}

.doubaoppt-refresh .qa-arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid #15b69e;
  border-bottom: 2px solid #15b69e;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.doubaoppt-refresh .qa-list details[open] .qa-arrow {
  transform: rotate(225deg);
}

.doubaoppt-refresh .qa-list p {
  margin: 0;
  border-top: 1px solid #eef2f5;
  color: #657284;
  font-size: 16px;
  line-height: 1.82;
  padding: 18px 24px 24px;
}

.doubaoppt-refresh .qa-list a {
  color: #13b59d;
  font-weight: 700;
  text-decoration: none;
}

.doubaoppt-refresh .qa-list a:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .doubaoppt-refresh .content-section {
    padding: 64px 20px 80px;
  }

  .doubaoppt-refresh .section-title {
    font-size: 30px;
  }

  .doubaoppt-refresh .section-subtitle {
    margin-bottom: 40px;
    font-size: 16px;
  }

  .doubaoppt-refresh .content-card-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .doubaoppt-refresh .content-card-list li {
    min-height: 0;
    padding: 24px 22px 22px;
  }

  .doubaoppt-refresh .content-card-title {
    font-size: 20px;
  }

  .doubaoppt-refresh .content-card-body {
    min-height: 0;
    margin-bottom: 24px;
    font-size: 16px;
  }

  .doubaoppt-refresh .qa-section {
    padding: 0 20px 80px;
  }

  .doubaoppt-refresh .qa-section .section-title {
    margin-bottom: 28px;
  }

  .doubaoppt-refresh .qa-list summary {
    font-size: 17px;
    padding: 18px 20px;
  }

  .doubaoppt-refresh .qa-list p {
    font-size: 15px;
    padding: 16px 20px 20px;
  }
}