.page-faq {
  --faq-rule-dark: rgba(154, 164, 192, .22);
  --faq-rule-light: rgba(20, 22, 31, .14);
  --faq-panel-bg: #F4EDE0;
  --faq-body-text: #3C4356;
  background: var(--hh-ink);
  color: var(--hh-frost);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb-wrap {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(44px, 7vw, 84px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(72% 62% at 82% 8%, rgba(22, 208, 127, .16), transparent 62%),
    radial-gradient(56% 52% at 4% 92%, rgba(255, 107, 26, .13), transparent 66%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  row-gap: clamp(28px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  color: var(--hh-green);
  letter-spacing: .22em;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--hh-font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--hh-frost);
  max-width: 15em;
}

.page-faq .faq-hero__mark {
  font-style: normal;
  color: var(--hh-orange);
  background: linear-gradient(transparent 66%, rgba(255, 107, 26, .26) 66%);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--hh-mist);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__quick a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--faq-rule-dark);
  border-radius: 999px;
  font-family: var(--hh-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--hh-mist);
  text-decoration: none;
  transition: color 160ms var(--hh-ease), background-color 160ms var(--hh-ease), border-color 160ms var(--hh-ease);
}

.page-faq .faq-hero__quick a:hover,
.page-faq .faq-hero__quick a:focus-visible {
  color: var(--hh-ink);
  background: var(--hh-green);
  border-color: var(--hh-green);
}

.page-faq .faq-hero__media .hh-media {
  border-radius: var(--hh-radius);
  border: 1px solid var(--faq-rule-dark);
}

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

/* ---------- 主体分区 ---------- */
.page-faq .faq-body {
  position: relative;
  margin-top: clamp(20px, 3vw, 36px);
  background: var(--faq-panel-bg);
  color: var(--hh-black);
}

.page-faq .faq-body::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: clamp(20px, 3vw, 34px);
  background: var(--faq-panel-bg);
  transform: translateY(-100%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(52px, 8vw, 96px);
}

/* ---------- 左侧分组栏 ---------- */
.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--hh-font-mono);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--hh-steel);
}

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

.page-faq .faq-rail__link {
  display: block;
  padding: 11px 14px;
  border-left: 2px solid var(--faq-rule-light);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--hh-steel);
  text-decoration: none;
  transition: color 160ms var(--hh-ease), border-color 160ms var(--hh-ease), background-color 160ms var(--hh-ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--hh-black);
  border-left-color: var(--hh-orange);
  background: rgba(255, 107, 26, .08);
}

.page-faq .faq-rail__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-rule-light);
  font-size: 13px;
  line-height: 1.7;
  color: var(--hh-steel);
}

.page-faq .faq-rail__foot a {
  color: var(--hh-turf);
  text-decoration: underline;
  text-decoration-color: rgba(22, 208, 127, .55);
  text-underline-offset: 3px;
}

.page-faq .faq-rail__foot a:hover,
.page-faq .faq-rail__foot a:focus-visible {
  color: var(--hh-orange);
  text-decoration-color: var(--hh-orange);
}

/* ---------- 面板区 ---------- */
.page-faq .faq-panels__head {
  padding-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-panels__title {
  margin: 0;
  font-family: var(--hh-font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -.005em;
  color: var(--hh-black);
}

.page-faq .faq-panels__note {
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--hh-steel);
}

.page-faq .faq-group {
  margin-bottom: clamp(38px, 6vw, 62px);
  scroll-margin-top: 120px;
}

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

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--hh-black);
}

.page-faq .faq-group__num {
  font-family: var(--hh-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--hh-orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--hh-font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 29px);
  letter-spacing: -.008em;
  color: var(--hh-black);
}

.page-faq .faq-group__desc {
  flex-basis: 100%;
  margin: 0;
  max-width: 48em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--hh-steel);
}

/* ---------- 折叠问题 ---------- */
.page-faq .faq-list {
  border-top: 1px solid transparent;
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 4px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 1.5vw, 16.5px);
  font-weight: 500;
  line-height: 1.65;
  color: var(--hh-black);
  transition: color 160ms var(--hh-ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--hh-turf);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  color: var(--hh-orange);
}

.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 {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
  transition: transform 200ms var(--hh-ease), opacity 200ms var(--hh-ease);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 4px 22px;
  animation: pageFaqPanelIn 220ms var(--hh-ease) both;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-body-text);
}

.page-faq .faq-item__a a {
  color: var(--hh-turf);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(22, 208, 127, .55);
  text-underline-offset: 3px;
  transition: color 160ms var(--hh-ease), text-decoration-color 160ms var(--hh-ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--hh-orange);
  text-decoration-color: var(--hh-orange);
}

@keyframes pageFaqPanelIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 客户端分组配图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 4px;
}

.page-faq .faq-figure .hh-media {
  border-radius: var(--hh-radius);
  border: 1px solid var(--faq-rule-light);
}

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

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--hh-steel);
}

/* ---------- 术语速查 ---------- */
.page-faq .faq-gloss {
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-gloss__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--faq-rule-light);
}

.page-faq .faq-gloss__term {
  margin: 0;
  font-family: var(--hh-font-mono);
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--hh-black);
}

.page-faq .faq-gloss__def {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-body-text);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-gloss__row {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-faq .faq-figure {
    margin-top: 24px;
  }
}

/* ---------- 桌面：左侧常驻分组栏 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 68px);
    align-items: start;
  }

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

  .page-faq .faq-rail__link {
    padding: 12px 16px;
    font-size: 14.5px;
  }

  .page-faq .faq-item__q {
    padding: 20px 4px;
  }

  .page-faq .faq-item__a {
    padding-bottom: 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 232px minmax(0, 1fr);
  }
}

/* ---------- 降低动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__icon::after {
    transition: none;
  }

  .page-faq .faq-hero__quick a,
  .page-faq .faq-rail__link,
  .page-faq .faq-item__q {
    transition: none;
  }
}