.page-faq {
  --faq-line: rgba(31, 111, 120, .45);
  --faq-line-strong: rgba(53, 242, 214, .55);
  --faq-item-bg: rgba(18, 60, 70, .55);
  --faq-item-bg-open: rgba(18, 60, 70, .9);
  --faq-stick: 56px;
}

/* 面包屑 */
.page-faq .by-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-block: 18px 0;
  font-size: 13px;
  color: var(--by-mist);
}
.page-faq .by-crumbs a {
  color: var(--by-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--by-t) var(--by-ease), border-color var(--by-t) var(--by-ease);
}
.page-faq .by-crumbs a:hover,
.page-faq .by-crumbs a:focus-visible {
  color: var(--by-cyan);
  border-bottom-color: var(--by-cyan);
}
.page-faq .by-crumbs [aria-current="page"] {
  color: var(--by-paper);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding-block: 28px 40px;
}
.page-faq .faq-hero__copy {
  max-width: 46ch;
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--faq-line);
  list-style: none;
  font-size: 13px;
  color: var(--by-mist);
}
.page-faq .faq-hero__stats b {
  font-family: var(--by-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--by-cyan);
  margin-right: 4px;
}
.page-faq .faq-hero__media {
  margin: 0;
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--faq-line);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
    padding-block: 44px 64px;
  }
}

/* 分类切换条 */
.page-faq .faq-switch {
  position: sticky;
  top: var(--faq-stick);
  z-index: 12;
  background: rgba(10, 42, 48, .95);
  border-block: 1px solid var(--faq-line);
}
.page-faq .faq-switch__inner {
  padding-block: 6px;
}
.page-faq .faq-switch__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-faq .faq-switch__list::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-switch__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  color: var(--by-mist);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--by-radius);
  transition: color var(--by-t) var(--by-ease), border-color var(--by-t) var(--by-ease), background var(--by-t) var(--by-ease);
}
.page-faq .faq-switch__link:hover,
.page-faq .faq-switch__link:focus-visible {
  color: var(--by-cyan);
  border-color: var(--faq-line-strong);
  background: rgba(53, 242, 214, .07);
}
.page-faq .faq-switch__num {
  font-family: var(--by-mono);
  font-size: 12px;
  color: var(--by-wire-lite);
}
.page-faq .faq-switch__count {
  font-family: var(--by-mono);
  font-size: 12px;
  color: var(--by-orange);
}

/* 分类区块 */
.page-faq .faq-block {
  padding-block: 44px;
  scroll-margin-top: 120px;
}
.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-block__idx {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--by-wire-lite);
  letter-spacing: -.02em;
}
.page-faq .faq-block__intro {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--by-mist);
}
.page-faq .faq-block__intro a {
  color: var(--by-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, .4);
}
.page-faq .faq-block__intro a:hover,
.page-faq .faq-block__intro a:focus-visible {
  border-bottom-color: var(--by-cyan);
}

@media (min-width: 900px) {
  .page-faq .faq-block {
    padding-block: 56px;
  }
  .page-faq .faq-block__head {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 22px;
  }
  .page-faq .faq-block__idx {
    font-size: 34px;
  }
}

/* 问答条目 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}
@media (min-width: 860px) {
  .page-faq .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
    align-items: start;
  }
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  background: var(--faq-item-bg);
  border-radius: var(--by-radius);
  overflow: hidden;
  transition: border-color var(--by-t) var(--by-ease), background var(--by-t) var(--by-ease);
}
.page-faq .faq-item:hover {
  border-color: var(--faq-line-strong);
}
.page-faq .faq-item[open] {
  background: var(--faq-item-bg-open);
  border-color: var(--faq-line-strong);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px 14px 13px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  transition: border-color var(--by-t) var(--by-ease), background var(--by-t) var(--by-ease);
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:hover {
  border-left-color: rgba(53, 242, 214, .5);
  background: rgba(53, 242, 214, .06);
}
.page-faq .faq-item[open] .faq-item__q {
  border-left-color: var(--by-cyan);
}
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--by-cyan);
  outline-offset: -2px;
}
.page-faq .faq-item__num {
  flex: none;
  font-family: var(--by-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--by-wire-lite);
  padding-top: 3px;
}
.page-faq .faq-item__text {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--by-paper);
  transition: color var(--by-t) var(--by-ease);
}
.page-faq .faq-item[open] .faq-item__text {
  color: var(--by-cyan);
}
.page-faq .faq-item__a {
  background: var(--by-cream);
  color: var(--by-ink);
  padding: 16px 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--by-wire);
  animation: faqAnswerIn 200ms cubic-bezier(.2, .7, .3, 1);
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a ul {
  margin: 0;
  padding-left: 18px;
}
.page-faq .faq-item__a li {
  margin-bottom: 6px;
}
.page-faq .faq-item__a li:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a {
  color: #0A4A50;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 74, 80, .45);
}
.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  border-bottom-color: #0A4A50;
}

@keyframes faqAnswerIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 场馆章节配图 */
.page-faq .faq-media {
  margin: 0 0 20px;
}
.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--faq-line);
}
@media (min-width: 860px) {
  .page-faq .faq-media img {
    aspect-ratio: 3 / 1;
  }
}

/* 联系收口 */
.page-faq .faq-ask {
  padding-block: 16px 72px;
}
.page-faq .faq-ask__card {
  display: grid;
  gap: 26px;
  padding: 26px 22px;
  background: var(--by-cream);
  color: var(--by-ink);
  border: 1px solid var(--by-wire);
  border-left: 4px solid var(--by-orange);
  border-radius: var(--by-radius);
}
.page-faq .faq-ask__lead .by-h2 {
  color: var(--by-ink);
  margin-bottom: 12px;
}
.page-faq .faq-ask__lead p {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: #3A322C;
}
.page-faq .faq-ask__btn {
  display: inline-flex;
}
.page-faq .faq-ask__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-faq .faq-ask__list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(27, 21, 18, .22);
}
.page-faq .faq-ask__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-ask__list .by-mono {
  flex: none;
  font-size: 12px;
  color: var(--by-wire);
}
.page-faq .faq-ask__ways {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  margin: 0;
  font-size: 14px;
}
.page-faq .faq-ask__ways dt {
  color: #6B615A;
}
.page-faq .faq-ask__ways dd {
  margin: 0;
  color: var(--by-ink);
  overflow-wrap: anywhere;
}
.page-faq .faq-ask .by-note {
  margin: 16px 0 0;
  color: #5A4F48;
}
.page-faq .faq-ask .by-note a {
  color: #0A4A50;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 74, 80, .45);
}
.page-faq .faq-ask .by-note a:hover,
.page-faq .faq-ask .by-note a:focus-visible {
  border-bottom-color: #0A4A50;
}

@media (min-width: 900px) {
  .page-faq .faq-ask {
    padding-block: 24px 96px;
  }
  .page-faq .faq-ask__card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    padding: 44px 44px 40px;
  }
}
</main>