.page-faq {
  --faq-rail-w: 200px;
  --faq-num: 4.6;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  padding-bottom: 80px;
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 26px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--shale);
}

.page-faq .breadcrumb a {
  color: var(--blue-deep);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 页头 ---------- */

.page-faq .page-head {
  padding: 18px 0 0;
}

.page-faq .page-head__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--blue-deep);
  text-transform: uppercase;
}

.page-faq .page-head__title {
  margin: 0;
  font-size: clamp(40px, 11vw, 84px);
  line-height: .98;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .page-head__desc {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--shale);
}

.page-faq .faq-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-figures__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-figures__num {
  font-size: 26px;
  color: var(--ink);
}

.page-faq .faq-figures__key {
  font-size: 13px;
  color: var(--shale);
}

/* ---------- 分组导航 ---------- */

.page-faq .faq-map {
  padding-top: 60px;
}

.page-faq .faq-map__title {
  margin: 0 0 24px;
  font-size: clamp(22px, 3.6vw, 30px);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-map__body {
  display: grid;
  gap: 28px;
}

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

.page-faq .media {
  border-radius: var(--r-md);
  overflow: hidden;
}

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

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

.page-faq .faq-map__item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-map__item a:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-faq .faq-map__item a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-map__no {
  grid-row: 1 / 3;
  padding-top: 3px;
  font-size: 13px;
  color: var(--blue);
}

.page-faq .faq-map__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-map__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--shale);
}

/* ---------- 主体：左栏标签 + 右栏答案 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: 22px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  color: var(--shale);
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--white);
  color: var(--shale);
  font-size: 15px;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-rail__pill:hover {
  border-color: var(--blue);
  color: var(--blue-deep);
}

.page-faq .faq-rail__pill:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-rail__pill.is-active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.page-faq .aside-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--shale);
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 8px;
  font-size: clamp(24px, 4.2vw, 32px);
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-group__title::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 26px;
  border-radius: var(--pill);
  background: var(--blue);
}

.page-faq .faq-group__intro {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--shale);
}

.page-faq .faq-switch__figure {
  margin: 0 0 22px;
}

/* ---------- 问答卡 ---------- */

.page-faq .qa {
  margin: 0 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--blue);
}

.page-faq .qa[open] {
  border-color: var(--blue-soft);
  box-shadow: var(--shadow-1);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: var(--r-md);
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 5px;
  font-size: 12px;
  color: var(--blue);
}

.page-faq .qa__txt {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__ver {
  flex: 0 0 auto;
  align-self: center;
  margin-left: auto;
  white-space: nowrap;
}

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--blue);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
}

.page-faq .qa__a {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--blue-soft);
  font-size: 16px;
  line-height: 1.75;
  color: var(--shale);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

/* ---------- 步骤 ---------- */

.page-faq .steps {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .steps > li {
  position: relative;
  counter-increment: faq-step;
  padding: 0 0 16px 34px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .steps > li:last-child {
  padding-bottom: 0;
}

.page-faq .steps > li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: var(--pill);
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 22px;
  text-align: center;
}

.page-faq .steps > li::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 30px;
  bottom: 6px;
  width: 1px;
  background: var(--blue-soft);
}

.page-faq .steps > li:last-child::after {
  display: none;
}

/* ---------- 转人工 ---------- */

.page-faq .faq-help {
  margin-top: 72px;
}

.page-faq .faq-help__panel {
  position: relative;
  overflow: hidden;
  padding: 36px 24px 38px;
  border-radius: var(--r-lg);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--blue) 0%, var(--orange) 100%);
}

.page-faq .faq-help__title {
  margin: 14px 0 10px;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-help__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--blue-soft);
}

.page-faq .faq-help__cols {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-faq .faq-help__col h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--blue-soft);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: var(--pill);
  background: var(--orange);
}

.page-faq .faq-help__contact {
  display: grid;
  gap: 6px;
  margin: 0 0 18px;
  font-size: 15px;
}

.page-faq .faq-help__contact a {
  color: var(--blue-soft);
  text-decoration: none;
  word-break: break-word;
}

.page-faq .faq-help__contact a:hover {
  color: var(--white);
  text-decoration: underline;
}

.page-faq .faq-help__contact a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- 相关入口 ---------- */

.page-faq .faq-more {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-more__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--white);
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-more__item:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-faq .faq-more__item:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-more__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-more__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--shale);
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 560px) {
  .page-faq .qa__q {
    gap: 8px;
    padding: 14px 16px;
    font-size: 15px;
  }

  .page-faq .qa__no {
    display: none;
  }

  .page-faq .qa__ver {
    padding: 3px 8px;
    font-size: 11px;
  }

  .page-faq .qa__a {
    padding: 12px 16px 16px;
    font-size: 15px;
  }

  .page-faq .faq-help__panel {
    padding: 30px 20px 32px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-help__cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-more {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-map {
    padding-top: 72px;
  }

  .page-faq .faq-map__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-rail__label {
    text-align: left;
  }

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

  .page-faq .faq-rail__pill {
    justify-content: flex-start;
    text-align: left;
  }

  .page-faq .faq-help__panel {
    padding: 48px 48px 52px;
  }
}