.page-faq {
  --faq-line: rgba(255, 255, 255, .10);
  --faq-panel: #0A1633;
  --faq-panel-2: #13224A;
  --faq-body-text: #A9B8D6;
  display: block;
  color: var(--hh-ice);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 18px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--hh-mist);
}

.page-faq .faq-crumbs a {
  color: var(--hh-mist);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-hero__band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.75);
}

.page-faq .faq-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 11, 26, .42) 0%, rgba(5, 11, 26, .88) 62%, #050B1A 100%),
    radial-gradient(120% 90% at 88% 6%, rgba(255, 106, 26, .16) 0%, rgba(5, 11, 26, 0) 58%);
}

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

.page-faq .faq-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--hh-teal);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  max-width: 20ch;
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  color: var(--hh-mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 24px;
  padding: 8px 16px;
  border: 1px solid var(--hh-glass-line);
  border-radius: 999px;
  background: var(--hh-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  max-width: 620px;
}

.page-faq .faq-filter__input {
  flex: 1 1 190px;
  min-width: 0;
  padding: 9px 2px;
  border: 0;
  background: transparent;
  color: var(--hh-ice);
  font-family: var(--f-body);
  font-size: 15px;
}

.page-faq .faq-filter__input::placeholder {
  color: var(--hh-mist);
}

.page-faq .faq-filter__input:focus-visible {
  outline: 2px solid var(--hh-orange);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .faq-filter__count {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--hh-teal);
  white-space: nowrap;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 章节坐标 ---------- */
.page-faq .faq-sec {
  padding: 34px 0;
}

.page-faq .faq-coord {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-faq .faq-coord__idx {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--hh-orange);
}

.page-faq .faq-coord__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
}

.page-faq .faq-coord__rule {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(90deg, var(--hh-orange) 0%, rgba(255, 106, 26, .18) 42%, rgba(255, 106, 26, 0) 100%);
}

.page-faq .faq-sectext {
  margin: 0 0 20px;
  max-width: 68ch;
  color: var(--hh-mist);
  font-size: 15px;
}

/* ---------- 快速解答卡 ---------- */
.page-faq .faq-quick__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 18px;
  background: var(--faq-panel);
}

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

.page-faq .faq-card__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--hh-ice);
}

.page-faq .faq-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--hh-mist);
}

.page-faq .faq-card__more {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--hh-teal);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 211, 184, .45);
  align-self: flex-start;
}

.page-faq .faq-card__more:hover,
.page-faq .faq-card__more:focus-visible {
  color: var(--hh-orange);
  border-bottom-color: rgba(255, 106, 26, .6);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item__head {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px 6px 16px 14px;
  cursor: pointer;
  list-style: none;
  transition: background .2s var(--hh-ease);
}

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

.page-faq .faq-item__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 2px;
  background: transparent;
  transition: background .2s var(--hh-ease);
}

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--hh-orange);
  outline-offset: -2px;
}

.page-faq .faq-item[open] > .faq-item__head {
  background: rgba(255, 255, 255, .035);
}

.page-faq .faq-item[open] > .faq-item__head::before {
  background: var(--hh-orange);
}

.page-faq .faq-item__idx {
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--hh-mist);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--hh-orange);
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--hh-ice);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--hh-mist);
  transition: transform .2s var(--hh-ease), background .2s var(--hh-ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--hh-orange);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-item__body {
  padding: 4px 6px 22px 40px;
}

.page-faq .faq-item__body .hh-p {
  max-width: 70ch;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-text);
}

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

.page-faq .faq-num {
  font-family: var(--f-mono);
  font-size: 1.06em;
  color: var(--hh-yellow);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-inline {
  color: var(--hh-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 184, .4);
}

.page-faq .faq-inline:hover,
.page-faq .faq-inline:focus-visible {
  color: var(--hh-orange);
  border-bottom-color: rgba(255, 106, 26, .55);
}

/* ---------- 对照表 ---------- */
.page-faq .faq-tablewrap {
  margin: 14px 0 18px;
  border: 1px solid var(--hh-glass-line);
  border-radius: var(--hh-radius);
  background: rgba(10, 22, 51, .72);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--faq-line);
  vertical-align: top;
}

.page-faq .faq-table thead th {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--hh-mist);
  background: rgba(19, 34, 74, .8);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  font-weight: 500;
  color: var(--hh-mist);
  font-size: 13px;
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--hh-ice);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 设备章节 ---------- */
.page-faq .faq-device {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--hh-glass-line);
  border-radius: var(--hh-radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--faq-panel-2) 0%, #050B1A 100%);
}

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

.page-faq .faq-figure__cap {
  padding: 12px 14px;
  border-top: 1px solid var(--hh-glass-line);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--hh-mist);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-sec--last {
  padding-bottom: 58px;
}

.page-faq .faq-next {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 24px 20px 26px;
  border: 1px solid var(--hh-glass-line);
  border-radius: var(--hh-radius);
  background:
    linear-gradient(140deg, rgba(19, 34, 74, .96) 0%, rgba(10, 22, 51, .96) 58%, rgba(5, 11, 26, .98) 100%),
    repeating-linear-gradient(115deg, rgba(255, 255, 255, .05) 0 1px, rgba(255, 255, 255, 0) 1px 14px);
  overflow: hidden;
}

.page-faq .faq-next::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 26, .22) 0%, rgba(255, 106, 26, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-next__text h3 {
  margin: 0 0 14px;
  font-size: 18px;
}

.page-faq .faq-next__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-next__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-body-text);
}

.page-faq .faq-next__idx {
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--hh-orange);
}

.page-faq .faq-next__text .hh-p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  color: var(--hh-mist);
}

.page-faq .faq-next__act {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-next__hint {
  margin: 4px 0 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--hh-mist);
}

.page-faq .faq-next__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 48px 0 52px;
  }

  .page-faq .faq-hero__title {
    font-size: 38px;
  }

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

  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-coord__title {
    font-size: 24px;
  }

  .page-faq .faq-sec {
    padding: 44px 0;
  }

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

  .page-faq .faq-item__body {
    padding-left: 52px;
  }

  .page-faq .faq-next {
    grid-template-columns: 1.4fr 1fr;
    padding: 30px 28px 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 62px 0 64px;
  }

  .page-faq .faq-hero__title {
    font-size: 46px;
    max-width: 22ch;
  }

  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-faq .faq-coord__title {
    font-size: 26px;
  }

  .page-faq .faq-sec {
    padding: 52px 0;
  }

  .page-faq .faq-device {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-device__figure {
    align-self: stretch;
  }

  .page-faq .faq-next {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__head,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}