.main-faq {
  background: var(--color-white);
}

.f-page {
  padding-top: calc(var(--header-h) + 2.75rem + 2.5rem);
  padding-bottom: 6.25rem;
}

.f-head {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgb(223, 224, 226);
}
.f-head__title {
  margin: 0;
  color: var(--color-text);
  font-family: "MiSans VF", "PingFang SC", sans-serif;
  font-size: var(--font-48);
  font-weight: 400;
  line-height: var(--font-64);
}
.f-head__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-family: "MiSans VF", "PingFang SC", sans-serif;
  font-size: var(--font-18);
  font-weight: 400;
  line-height: var(--font-24);
}

.f-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2.75rem;
  margin-bottom: 2.75rem;
}

.f-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  min-width: 0;
}
.f-tabs__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 2rem;
  border: 0;
  border-radius: 6.25rem;
  color: rgba(46, 53, 58, 0.6);
  font-family: "MiSans VF", "PingFang SC", sans-serif;
  font-size: var(--font-18);
  font-weight: 400;
  line-height: var(--font-24);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}
.f-tabs__item.is-active {
  background: var(--color-primary);
  color: var(--color-white);
}

.f-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 3.5rem;
}

.f-item {
  border-top: 1px solid rgb(223, 224, 226);
  transition: border-color var(--duration-fast) var(--easing);
}
.f-item__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  padding: 2rem 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.f-item__q {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}
.f-item__dot {
  width: 0.5rem;
  height: 0.5rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgb(175, 181, 185);
}
.f-item__title {
  color: var(--color-text);
  font-family: "MiSans VF", "PingFang SC", sans-serif;
  font-size: var(--font-24);
  font-weight: 450;
  line-height: var(--font-32);
}
.f-item__icon {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}
.f-item__icon::before, .f-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: rgb(175, 181, 185);
  transition: transform 0.25s ease, background 0.25s ease, opacity 0.25s ease;
}
.f-item__icon::before {
  width: 1rem;
  height: 0.125rem;
  transform: translate(-50%, -50%);
}
.f-item__icon::after {
  width: 0.125rem;
  height: 1rem;
  transform: translate(-50%, -50%);
}
.f-item__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--easing);
}
.f-item__a {
  overflow: hidden;
  margin: 0;
  padding: 0 2rem;
  max-height: 0;
  opacity: 0;
  border-radius: 1.5rem;
  background: rgba(175, 181, 185, 0.15);
  color: rgba(46, 53, 58, 0.6);
  font-family: "MiSans VF", "PingFang SC", sans-serif;
  font-size: var(--font-20);
  font-weight: 400;
  line-height: var(--font-32);
  transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease, margin 0.3s ease;
}
.f-item.is-open {
  border-top-color: var(--color-primary);
}
.f-item.is-open .f-item__icon::before, .f-item.is-open .f-item__icon::after {
  background: var(--color-primary);
}
.f-item.is-open .f-item__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}
.f-item.is-open .f-item__panel {
  grid-template-rows: 1fr;
}
.f-item.is-open .f-item__a {
  max-height: 30rem;
  margin-bottom: 2rem;
  padding: 2.5rem 2rem;
  opacity: 1;
}

@media (max-width: 1439px) {
  .f-page {
    padding-top: calc(var(--header-h) + 40Px);
    padding-bottom: 72Px;
  }
  .f-head {
    gap: 12Px;
    padding-bottom: 28Px;
  }
  .f-head__title {
    font-size: 36Px;
    line-height: 48Px;
  }
  .f-head__desc {
    font-size: 16Px;
  }
  .f-toolbar {
    flex-wrap: wrap;
    gap: 16Px;
    margin-top: 32Px;
    margin-bottom: 32Px;
  }
  .f-tabs {
    gap: 12Px;
  }
  .f-tabs__item {
    min-height: 44Px;
    padding: 10Px 24Px;
    font-size: 16Px;
  }
  .f-item__trigger {
    padding: 24Px 0;
  }
  .f-item__title {
    font-size: 20Px;
    line-height: 28Px;
  }
  .f-item__a {
    font-size: 16Px;
    line-height: 28Px;
  }
  .f-item.is-open .f-item__a {
    padding: 20Px 24Px;
    margin-bottom: 24Px;
  }
}
@media (max-width: 992px) {
  .f-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}
@media (max-width: 576px) {
  .f-page {
    padding-top: calc(var(--header-h) + 24Px);
    padding-bottom: 48Px;
  }
  .f-head {
    gap: 10Px;
    padding-bottom: 20Px;
  }
  .f-head__title {
    font-size: 28Px;
    line-height: 38Px;
  }
  .f-head__desc {
    font-size: 14Px;
    line-height: 22Px;
  }
  .f-toolbar {
    margin-top: 24Px;
    margin-bottom: 24Px;
  }
  .f-tabs {
    gap: 8Px;
  }
  .f-tabs__item {
    min-height: 40Px;
    padding: 8Px 16Px;
    font-size: 14Px;
  }
  .f-item__trigger {
    gap: 16Px;
    padding: 20Px 0;
  }
  .f-item__q {
    gap: 12Px;
  }
  .f-item__dot {
    width: 6Px;
    height: 6Px;
  }
  .f-item__title {
    font-size: 16Px;
    line-height: 24Px;
  }
  .f-item__a {
    font-size: 14Px;
    line-height: 24Px;
    border-radius: 16Px;
  }
  .f-item.is-open .f-item__a {
    padding: 16Px 18Px;
    margin-bottom: 20Px;
  }
}