.page-faq {
  --faq-line: rgba(217, 164, 65, .24);
  --faq-line-soft: rgba(138, 154, 148, .2);
  --faq-card-bg: linear-gradient(160deg, rgba(16, 49, 41, .8) 0%, rgba(10, 33, 27, .8) 100%);
  --faq-accent: var(--teal);
  overflow-x: clip;
  padding-bottom: 8px;
}

/* ---------- 面包屑 ---------- */

.page-faq .faq-crumbs-wrap {
  padding-top: clamp(92px, 12vw, 128px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding-top: 26px;
  padding-bottom: 8px;
}

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

.page-faq .faq-hero__visual {
  position: relative;
  margin: 0;
  min-width: 0;
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  background: var(--panel-grad);
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(160deg, rgba(46, 125, 107, .22) 0%, rgba(7, 26, 21, 0) 52%),
    repeating-linear-gradient(90deg, rgba(217, 164, 65, .09) 0 1px, transparent 1px 64px);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero__stats > div {
  min-width: 0;
}

.page-faq .faq-hero__stats dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
  margin-bottom: 6px;
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--gold-soft);
  line-height: 1.1;
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 56px;
    padding-top: 44px;
  }

  .page-faq .faq-hero__stats {
    margin-top: 34px;
  }
}

/* ---------- 高频问题轨道 ---------- */

.page-faq .faq-top__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 18px;
}

.page-faq .faq-top__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
}

.page-faq .faq-top__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-faq .faq-track {
  display: flex;
  gap: 14px;
  padding: 4px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-track::-webkit-scrollbar {
  height: 6px;
}

.page-faq .faq-track::-webkit-scrollbar-thumb {
  background: rgba(217, 164, 65, .3);
  border-radius: 999px;
}

.page-faq .faq-track__item {
  flex: 0 0 min(272px, 76vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 20px;
  text-decoration: none;
  color: var(--cream);
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: var(--faq-card-bg);
  transition: border-color .22s ease, transform .22s ease, background .22s ease;
}

.page-faq .faq-track__item:hover,
.page-faq .faq-track__item:focus-visible {
  border-color: var(--gold);
  transform: translateY(-3px);
  background: linear-gradient(160deg, rgba(20, 58, 48, .9) 0%, rgba(10, 33, 27, .9) 100%);
}

.page-faq .faq-track__idx {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  opacity: .7;
}

.page-faq .faq-track__q {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  flex: 1 1 auto;
}

.page-faq .faq-track__cat {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.page-faq .faq-track__cat--teal { color: var(--teal-soft); }
.page-faq .faq-track__cat--gold { color: var(--gold-soft); }
.page-faq .faq-track__cat--yellow { color: var(--card-yellow); }
.page-faq .faq-track__cat--red { color: var(--card-red); }

/* ---------- 主体布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

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

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 6px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 13px;
  font-size: 13.5px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--slate);
  border: 1px solid var(--faq-line-soft);
  border-radius: 999px;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

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

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(217, 164, 65, .1);
}

.page-faq .faq-index__num {
  font-size: 11px;
  opacity: .75;
}

.page-faq .faq-index__aside {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px dashed var(--faq-line-soft);
  border-radius: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-index__aside-text {
  margin: 0;
  flex: 1 1 140px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--faq-line-soft);
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 10px 10px 0;
    margin-left: -1px;
    padding: 10px 12px;
  }

  .page-faq .faq-index__link[aria-current="true"] {
    border-left-color: var(--card-red);
    background: rgba(229, 72, 63, .1);
  }
}

/* ---------- 问题分组 ---------- */

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

.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group--new { --faq-accent: var(--teal); }
.page-faq .faq-group--install { --faq-accent: var(--gold); }
.page-faq .faq-group--watch { --faq-accent: var(--teal-soft); }
.page-faq .faq-group--cards { --faq-accent: var(--card-yellow); }
.page-faq .faq-group--contact { --faq-accent: var(--card-red); }

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 18px;
  padding-left: 16px;
  border-left: 3px solid var(--faq-accent);
}

.page-faq .faq-group__idx {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-accent);
  opacity: .85;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--cream);
}

.page-faq .faq-group__tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid currentColor;
  color: var(--faq-accent);
}

.page-faq .faq-group__desc {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-item {
  scroll-margin-top: 108px;
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  background: var(--faq-card-bg);
  transition: border-color .22s ease, background .22s ease;
}

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

.page-faq .faq-item:hover {
  border-color: rgba(217, 164, 65, .5);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  background: linear-gradient(160deg, rgba(20, 58, 48, .9) 0%, rgba(10, 33, 27, .9) 100%);
}

.page-faq .faq-item__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 52px 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream);
  border-radius: 12px;
  transition: color .2s ease;
}

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

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

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--faq-accent);
}

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

.page-faq .faq-item__a {
  padding: 14px 18px 18px;
  border-top: 1px dashed var(--faq-line-soft);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 238, 220, .84);
}

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

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

.page-faq .faq-item__a a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 196, 173, .4);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* ---------- 章节配图 ---------- */

.page-faq .faq-figure {
  margin: 20px 0 0;
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  background: var(--panel-grad);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 收束联系面板 ---------- */

.page-faq .faq-help__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 26px;
  padding: 28px 22px;
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--card-red) 55%, var(--card-yellow) 100%);
}

.page-faq .faq-help__title {
  margin: 8px 0 12px;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .faq-help__lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 238, 220, .82);
}

.page-faq .faq-help__lead a {
  color: var(--teal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 196, 173, .4);
}

.page-faq .faq-help__lead a:hover,
.page-faq .faq-help__lead a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-faq .faq-help__contact {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px;
  border: 1px dashed var(--faq-line);
  border-radius: 12px;
  background: rgba(7, 26, 21, .5);
}

.page-faq .faq-help__label {
  margin: 8px 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-help__label:first-child {
  margin-top: 0;
}

.page-faq .faq-copyrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-copyrow__text {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold-soft);
  word-break: break-all;
}

.page-faq .faq-copy {
  cursor: pointer;
}

.page-faq .faq-help__meta {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--slate);
}

.page-faq .faq-help__phone {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: .04em;
}

@media (min-width: 860px) {
  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 38px 42px 38px 46px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-item__q {
    font-size: 16.5px;
    padding: 18px 56px 18px 22px;
  }

  .page-faq .faq-item__a {
    padding: 16px 22px 20px;
  }
}