/* Minimal FAQ accordion — list + dividers + plain +/- */

/* 与全站 container / 宽栅格区近似（原 42rem 过窄） */
.faq-acc {
  width: 100%;
  max-width: min(80rem, 100%);
  margin-left: auto;
  margin-right: auto;
}

.faq-acc__eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #94a3b8;
  text-align: left;
}

.faq-acc__title {
  margin: 0 0 2.5rem;
  font-family: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 5vw, 3rem);
  line-height: 1.15;
  font-weight: 700;
  text-align: left;
  color: #0f172a;
}

.faq-acc__title-strong {
  font-weight: 700;
}

.faq-acc__title-soft {
  font-weight: 400;
  font-style: italic;
  color: #64748b;
  margin-left: 0.25em;
}

.faq-acc__list {
  border-top: 1px solid #e2e8f0;
}

.faq-acc__item {
  border-bottom: 1px solid #e2e8f0;
}

.faq-acc__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.375rem 0;
  margin: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: #0f172a;
  transition: color 0.2s ease;
}

.faq-acc__trigger:hover {
  color: #1d4ed8;
}

.faq-acc__trigger:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 4px;
  border-radius: 4px;
}

.faq-acc__question {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.faq-acc__icon {
  position: relative;
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #334155;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-acc__icon::before,
.faq-acc__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.75rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transform: translate(-50%, -50%);
}

.faq-acc__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-acc__item.is-open .faq-acc__icon {
  transform: rotate(45deg);
}

.faq-acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-acc__item.is-open .faq-acc__panel {
  grid-template-rows: 1fr;
}

.faq-acc__panel-inner {
  overflow: hidden;
  min-height: 0;
}

.faq-acc__answer {
  margin: 0;
  padding: 0 2rem 1.5rem 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #475569;
}

.faq-acc__panel-inner > p + p.faq-acc__answer {
  padding-top: 0;
}

.faq-acc__panel-inner ul.faq-acc__list-plain {
  margin: 0 0 0.75rem;
  padding: 0 2rem 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #475569;
  list-style: disc;
}

.faq-acc__panel-inner ul.faq-acc__list-plain li + li {
  margin-top: 0.35rem;
}

@media (max-width: 640px) {
  .faq-acc__answer {
    padding-right: 0;
  }

  .faq-acc__panel-inner ul.faq-acc__list-plain {
    padding-right: 0;
  }
}