.page-faq {
  --faq-index-w: 268px;
  --faq-line-glow: linear-gradient(90deg, var(--cyan) 0%, rgba(53, 240, 208, 0.35) 38%, rgba(53, 240, 208, 0) 100%);
  padding-bottom: 88px;
}

.page-faq .breadcrumbs {
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumbs a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 42px 0 4px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -18px;
  width: 96px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin: 38px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__facts .data-num {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

/* ---------- 主体骨架 ---------- */

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 64px;
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 索引 ---------- */

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link .data-num {
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  position: relative;
  padding-top: 26px;
  margin-bottom: 58px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--faq-line-glow);
}

.page-faq .faq-group:nth-of-type(even)::before {
  background: linear-gradient(90deg, var(--orange) 0%, rgba(255, 138, 61, 0.3) 34%, rgba(255, 138, 61, 0) 100%);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.page-faq .faq-group__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-group__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-group__body {
  max-width: 800px;
  margin-top: 14px;
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__q:hover {
  color: var(--cyan-soft);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan);
}

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

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  color: currentColor;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
}

.page-faq .faq-item__icon::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 34px 20px 0;
}

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

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-item__a a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* 关键数字提示框 */

.page-faq .faq-callout {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 6px 0 0;
  padding: 10px 16px;
  border: 1px solid rgba(255, 138, 61, 0.55);
  border-radius: var(--r-sm);
  background: rgba(255, 138, 61, 0.07);
  font-size: 13px;
  color: var(--white);
}

.page-faq .faq-callout .data-num {
  font-size: 17px;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 26px 0 6px;
  max-width: 440px;
}

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

.page-faq .media--3x2 {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 兜底联系 ---------- */

.page-faq .faq-group--help::before {
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0%, rgba(255, 194, 75, 0.3) 40%, rgba(255, 194, 75, 0) 100%);
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 22px;
  margin-top: 20px;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-faq .faq-help__text p {
  margin: 0 0 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-faq .faq-help__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.4);
}

.page-faq .faq-help__text a:hover {
  color: var(--cyan-soft);
}

.page-faq .faq-help__panel .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-help__panel .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__panel .contact-item__label {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-help__panel .contact-item__value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 76px;
    margin-top: 84px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    margin-top: 16px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 11px 0 11px 16px;
    color: var(--muted);
    font-size: 14px;
  }

  .page-faq .faq-index__link .data-num {
    color: var(--line);
    transition: color 0.2s ease;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: rgba(53, 240, 208, 0.05);
    border-left-color: var(--cyan);
    color: var(--white);
  }

  .page-faq .faq-index__link:hover .data-num,
  .page-faq .faq-index__link:focus-visible .data-num {
    color: var(--cyan);
  }

  .page-faq .faq-group {
    padding-top: 30px;
    margin-bottom: 66px;
  }

  .page-faq .faq-group__head {
    flex-wrap: nowrap;
  }

  .page-faq .faq-group__meta {
    margin-left: auto;
  }

  .page-faq .faq-item__q {
    padding: 20px 0;
    font-size: 17px;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 34px;
    padding: 30px 32px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-figure {
    margin-left: 0;
  }
}

/* 分组被定位到时给一次描边提示 */

.page-faq .faq-group:target .faq-group__title {
  color: var(--cyan);
}