.page-faq {
  --faq-grass: rgba(57, 224, 140, .045);
  --faq-card: linear-gradient(180deg, rgba(74, 43, 122, .3), rgba(20, 4, 31, .46));
  --faq-text: rgba(245, 241, 232, .84);
  background: linear-gradient(180deg, var(--c-purple) 0%, var(--c-night) 58%, var(--c-purple) 100%);
  color: var(--c-paper);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-mist);
  padding-top: 18px;
  padding-bottom: 12px;
}

.page-faq .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--c-gold-bright);
  border-bottom-color: var(--edge-strong);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  background: linear-gradient(165deg, var(--c-night) 0%, var(--c-purple) 52%, var(--c-tunnel) 100%);
}

.page-faq .faq-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20, 4, 31, .92) 0%, rgba(43, 11, 69, .78) 52%, rgba(74, 43, 122, .42) 100%);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .62;
}

.page-faq .faq-hero__body {
  padding-top: 46px;
  padding-bottom: 54px;
}

.page-faq .faq-hero__title {
  max-width: 20ch;
  margin: 10px 0 0;
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  margin-top: 16px;
  color: var(--c-paper);
  font-size: 17px;
  line-height: 1.8;
}

/* ---------- 主题刻度条 ---------- */
.page-faq .faq-ruler {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(20, 4, 31, .94);
  border-bottom: 1px solid var(--edge);
  box-shadow: 0 12px 26px rgba(20, 4, 31, .45);
}

.page-faq .faq-ruler__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-ruler__cap {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-mist);
  border-right: 1px solid var(--edge);
  padding-right: 14px;
}

.page-faq .faq-ruler__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ruler__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid transparent;
  color: var(--c-stone);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-ruler__list a:hover,
.page-faq .faq-ruler__list a:focus-visible {
  color: var(--c-gold-bright);
  border-color: var(--edge-strong);
  background: rgba(232, 181, 75, .1);
}

.page-faq .faq-ruler__list a:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-faq .faq-ruler__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-gold);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 46px 0 40px;
  border-bottom: 1px solid var(--edge-soft);
}

.page-faq .faq-group--grass {
  background-image: repeating-linear-gradient(90deg, var(--faq-grass) 0 34px, transparent 34px 68px);
}

.page-faq .faq-group--contact {
  border-bottom: 0;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
  max-width: 68ch;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .24em;
  color: var(--c-gold);
}

.page-faq .faq-group__head h2 {
  margin: 0;
}

.page-faq .faq-group__lede {
  margin: 4px 0 0;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-group__body {
  display: grid;
  gap: 24px;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--edge);
  border-left: 2px solid var(--edge);
  background: var(--faq-card);
  transition: border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--edge-strong);
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-gold);
  border-color: var(--edge-strong);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-paper);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-gold);
  transition: transform .28s var(--ease), color .28s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--c-gold-bright);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-faq .faq-q {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.page-faq .faq-qtext {
  flex: 1 1 auto;
}

.page-faq .faq-answer {
  padding: 0 16px 16px 42px;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-item[open] .faq-answer {
  animation: faqAnswerIn .32s var(--ease) both;
}

.page-faq .faq-key {
  color: var(--c-gold-bright);
  border-bottom: 1px solid var(--edge-strong);
  padding-bottom: 1px;
}

@keyframes faqAnswerIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--edge);
  background: linear-gradient(160deg, rgba(43, 11, 69, .72), rgba(20, 4, 31, .68));
}

.page-faq .faq-aside::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, transparent 50%, rgba(232, 181, 75, .48) 50%);
  pointer-events: none;
}

.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-bottom: 1px solid var(--edge-soft);
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-mist);
}

.page-faq .faq-aside__note {
  padding: 14px 14px 20px;
}

.page-faq .faq-aside__note p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-aside__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-strong);
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  color: var(--c-gold-bright);
  border-bottom-color: var(--c-gold-bright);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  position: relative;
  padding: 24px 18px 26px;
  border: 1px solid var(--edge-strong);
  background: linear-gradient(150deg, rgba(74, 43, 122, .58), rgba(20, 4, 31, .78) 62%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-contact__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-paper);
}

.page-faq .faq-routes {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-route {
  padding: 14px 14px 16px;
  border: 1px solid var(--edge);
  background: rgba(20, 4, 31, .4);
}

.page-faq .faq-route__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-green);
}

.page-faq .faq-route__tag {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-gold-bright);
}

.page-faq .faq-route p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__body {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-faq .faq-item > summary {
    padding: 17px 20px;
    font-size: 17px;
  }

  .page-faq .faq-answer {
    padding: 0 20px 20px 48px;
  }

  .page-faq .faq-answer p {
    font-size: 16px;
  }

  .page-faq .faq-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    padding: 30px 28px 34px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-group {
    padding: 62px 0 56px;
  }

  .page-faq .faq-group__body {
    gap: 32px;
  }

  .page-faq .faq-group--split .faq-group__body {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .78fr);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 66px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-answer {
    animation: none;
  }

  .page-faq .faq-ruler__list a,
  .page-faq .faq-item,
  .page-faq .faq-aside__link {
    transition: none;
  }
}