.about-page {
  background: linear-gradient(180deg, #ffffff 0%, #f5fcff 55%, #eefcff 100%);
}

.about-main {
  padding: 36px 0 84px;
}

.about-section .container {
  max-width: 980px;
}

.about-card {
  border: 1px solid rgba(11, 129, 148, 0.15);
  border-radius: 28px;
  background: #ffffff;
  padding: 40px 40px 34px;
  box-shadow: 0 14px 38px rgba(11, 129, 148, 0.08);
}

.about-logo {
  display: block;
  width: min(180px, 45vw);
  height: auto;
  margin: 0 auto 30px;
}

.about-content {
  color: var(--c-dark);
  font-size: 18px;
  line-height: 1.68;
}

.faq-title {
  margin: 0 0 28px;
  text-align: center;
  font-size: clamp(34px, 3.2vw, 42px);
  line-height: 1.1;
  color: var(--link-color);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid rgba(11, 129, 148, 0.22);
  border-radius: 16px;
  background: #f7fdff;
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 56px 18px 20px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.42;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: rgba(11, 129, 148, 0.12);
  color: var(--link-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  font-weight: 500;
}

.faq-item[open] summary {
  background: rgba(11, 129, 148, 0.08);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-answer {
  padding: 2px 20px 20px;
  font-size: 17px;
  line-height: 1.65;
}

.faq-answer p {
  margin: 0 0 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul {
  margin: 0 0 16px 24px;
  padding: 0;
}

.faq-answer ul:last-child {
  margin-bottom: 0;
}

.faq-answer li {
  margin-bottom: 8px;
}

.faq-answer li:last-child {
  margin-bottom: 0;
}

.faq-answer__subtitle {
  margin-top: 8px;
  font-weight: 700;
}

@media (max-width: 1020px) {
  .about-main {
    padding: 28px 0 64px;
  }

  .about-card {
    border-radius: 20px;
    padding: 28px 24px;
  }

  .faq-title {
    margin-bottom: 22px;
    font-size: clamp(30px, 6.5vw, 36px);
  }

  .faq-item summary {
    padding: 16px 52px 16px 18px;
    font-size: 18px;
  }

  .faq-item summary::after {
    width: 28px;
    height: 28px;
    right: 16px;
    font-size: 22px;
  }

  .faq-answer {
    padding: 2px 18px 18px;
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .about-main {
    padding-top: 22px;
    padding-bottom: 48px;
  }

  .about-card {
    border-radius: 16px;
    padding: 22px 16px;
  }

  .about-logo {
    width: min(145px, 52vw);
    margin-bottom: 22px;
  }

  .faq-title {
    margin-bottom: 18px;
    font-size: clamp(26px, 8.2vw, 30px);
  }

  .faq-list {
    gap: 10px;
  }

  .faq-item {
    border-radius: 14px;
  }

  .faq-item summary {
    padding: 14px 46px 14px 14px;
    font-size: 16px;
  }

  .faq-item summary::after {
    width: 24px;
    height: 24px;
    right: 12px;
    font-size: 20px;
  }

  .faq-answer {
    padding: 0 14px 14px;
    font-size: 15px;
  }

  .faq-answer p {
    margin-bottom: 10px;
  }

  .faq-answer ul {
    margin-left: 20px;
    margin-bottom: 12px;
  }
}