.page-faq {
  --faq-rail: 252px;
  --faq-gap: 28px;
  --faq-cat-gap: 60px;
  padding-bottom: 88px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 0;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  left: -12%;
  right: -12%;
  height: 560px;
  background:
    radial-gradient(58% 68% at 20% 12%, rgba(91, 71, 214, .42), transparent 68%),
    radial-gradient(48% 58% at 84% 4%, rgba(0, 232, 206, .2), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-crumb {
  margin-bottom: 30px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 8.2vw, 66px);
  line-height: 1.08;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
}

/* 横向滚动的问句索引 */
.page-faq .faq-quick {
  margin-top: 38px;
}

.page-faq .faq-quick__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--yh-mist);
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-quick__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-faq .faq-quick__list a {
  display: block;
  max-width: 76vw;
  padding: 13px 22px;
  border-radius: var(--yh-pill);
  border: 1px solid var(--yh-line);
  background: rgba(36, 28, 85, .52);
  color: var(--yh-ink);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .16s var(--yh-ease), background-color .16s var(--yh-ease);
}

.page-faq .faq-quick__list a:hover,
.page-faq .faq-quick__list a:focus-visible {
  border-color: var(--yh-line-strong);
  background: rgba(36, 28, 85, .88);
}

/* ---------- 分类信息图 ---------- */
.page-faq .faq-map {
  padding: 60px 0 0;
}

.page-faq .faq-map__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-map__figure {
  margin: 0;
  border-radius: var(--yh-radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(36, 28, 85, .9), rgba(10, 10, 28, .95));
  border: 1px solid var(--yh-line);
}

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

.page-faq .faq-map__caption {
  padding: 12px 18px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--yh-mist);
  border-top: 1px solid var(--yh-line);
}

.page-faq .faq-map__title {
  margin: 10px 0 0;
}

.page-faq .faq-map__intro {
  margin: 14px 0 0;
  color: var(--yh-text-soft);
  max-width: 56ch;
}

.page-faq .faq-map__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-map__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--yh-line);
}

.page-faq .faq-map__list p {
  margin: 0;
  font-size: 14.5px;
  color: var(--yh-text-soft);
  line-height: 1.6;
}

.page-faq .faq-map__list strong {
  color: var(--yh-ink);
  font-weight: 700;
  margin-right: 4px;
}

.page-faq .faq-map__num {
  flex: 0 0 auto;
  font-family: var(--yh-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yh-orange);
}

/* ---------- 检索台 ---------- */
.page-faq .faq-desk {
  padding: 68px 0 0;
}

.page-faq .faq-desk__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-rail__label {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--yh-mist);
  text-transform: uppercase;
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: var(--yh-pill);
  border: 1px solid var(--yh-line);
  color: var(--yh-text-soft);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s var(--yh-ease), border-color .16s var(--yh-ease), background-color .16s var(--yh-ease);
}

.page-faq .faq-rail__link:hover {
  border-color: var(--yh-line-strong);
  color: var(--yh-ink);
}

.page-faq .faq-rail__link.is-active {
  border-color: rgba(0, 232, 206, .55);
  background: rgba(0, 232, 206, .1);
  color: var(--yh-ink);
}

.page-faq .faq-rail__num {
  font-family: var(--yh-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yh-orange);
}

.page-faq .faq-rail__note {
  display: none;
  margin: 22px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--yh-mist);
  padding-left: 14px;
  border-left: 2px solid var(--yh-line);
}

/* 分类块 */
.page-faq .faq-cat {
  scroll-margin-top: calc(var(--yh-header-h) + 28px);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: var(--faq-cat-gap);
}

.page-faq .faq-cat__head {
  display: grid;
  gap: 8px;
  padding-bottom: 20px;
}

.page-faq .faq-cat__num {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--yh-cyan);
}

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

.page-faq .faq-cat__note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  color: var(--yh-text-soft);
}

/* 折叠问答 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--yh-line);
}

.page-faq .faq-q summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 4px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--yh-ink);
  transition: color .16s var(--yh-ease);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--yh-font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--yh-cyan);
  transition: color .16s var(--yh-ease);
}

.page-faq .faq-q[open] summary::after {
  content: "\2212";
}

.page-faq .faq-q summary:hover {
  color: var(--yh-cyan);
}

.page-faq .faq-q[open] summary {
  color: var(--yh-ink);
}

.page-faq .faq-q__body {
  margin: 0 0 22px 4px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--yh-cyan);
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yh-text-soft);
}

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

.page-faq .faq-inline-link {
  color: var(--yh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 232, 206, .42);
  transition: border-color .16s var(--yh-ease);
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--yh-cyan);
}

/* ---------- 小屏阅读 ---------- */
.page-faq .faq-read {
  padding: 74px 0 0;
}

.page-faq .faq-read__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-read__figure {
  margin: 0 auto;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 3 / 4;
  border-radius: var(--yh-radius);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(36, 28, 85, .9), rgba(10, 10, 28, .95));
  border: 1px solid var(--yh-line);
}

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

.page-faq .faq-read__text h2 {
  margin: 10px 0 0;
}

.page-faq .faq-read__text > p {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--yh-text-soft);
}

.page-faq .faq-read__tips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-read__tips li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--yh-text-soft);
}

.page-faq .faq-read__tips li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--yh-orange);
}

/* ---------- 联系入口 ---------- */
.page-faq .faq-help {
  padding: 78px 0 0;
}

.page-faq .faq-help__card {
  position: relative;
  overflow: hidden;
  border-radius: var(--yh-radius);
  border: 1px solid var(--yh-line);
  padding: 28px 22px;
  background:
    linear-gradient(142deg, rgba(91, 71, 214, .34), rgba(21, 18, 56, .94) 58%),
    var(--yh-deep);
}

.page-faq .faq-help__card::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 232, 206, .26), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-help__title {
  position: relative;
  margin: 10px 0 0;
}

.page-faq .faq-help__lede {
  position: relative;
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--yh-text-soft);
}

.page-faq .faq-help__ways {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__way {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--yh-radius-sm);
  background: rgba(10, 10, 28, .52);
  border: 1px solid var(--yh-line);
}

.page-faq .faq-help__k {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--yh-mist);
}

.page-faq .faq-help__v {
  margin: 6px 0 0;
  font-family: var(--yh-font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--yh-ink);
  word-break: break-all;
}

.page-faq .faq-help__detail {
  position: relative;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--yh-line);
}

.page-faq .faq-help__sub {
  margin: 0;
  font-size: 17px;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yh-text-soft);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 1px;
  background: var(--yh-cyan);
}

.page-faq .faq-help__time {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yh-mist);
}

.page-faq .faq-help__more {
  position: relative;
  margin: 24px 0 0;
  font-size: 14.5px;
  color: var(--yh-text-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-help__ways {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help__card {
    padding: 40px 36px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 108px;
  }

  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-quick__list a {
    max-width: none;
  }

  .page-faq .faq-map__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-read__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-read__figure {
    max-width: none;
    aspect-ratio: 4 / 5;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-desk__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--yh-header-h) + 24px);
  }

  .page-faq .faq-rail__nav {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    border-radius: 0 var(--yh-radius-sm) var(--yh-radius-sm) 0;
    border-color: transparent;
    border-left: 2px solid var(--yh-line);
    background: transparent;
    padding: 12px 14px;
  }

  .page-faq .faq-rail__link:hover {
    border-left-color: var(--yh-line-strong);
    background: rgba(36, 28, 85, .45);
  }

  .page-faq .faq-rail__link.is-active {
    border-left-color: var(--yh-cyan);
    background: rgba(0, 232, 206, .08);
  }

  .page-faq .faq-rail__note {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__list a,
  .page-faq .faq-rail__link,
  .page-faq .faq-q summary,
  .page-faq .faq-inline-link {
    transition-duration: .12s;
  }
}