.page-faq {
  --faq-rule: rgba(200, 166, 86, .22);
  --faq-rule-soft: rgba(215, 227, 234, .12);
  --faq-panel: linear-gradient(158deg, rgba(18, 59, 46, .55) 0%, rgba(10, 23, 36, .78) 100%);
  --faq-accent-line: linear-gradient(90deg, var(--electric), var(--crown-gold));
  --faq-text-soft: rgba(215, 227, 234, .8);
  --faq-text-quiet: rgba(215, 227, 234, .7);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(20px, 3.5vw, 40px) clamp(40px, 6vw, 84px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(36px, 7.2vw, 66px);
  line-height: 1.05;
  letter-spacing: .005em;
  color: var(--ice);
  margin: 16px 0 20px;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.25vw, 17.5px);
  line-height: 1.82;
  color: var(--faq-text-soft);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-hero__facts li {
  padding: 16px 10px 4px 0;
  border-right: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-hero__facts li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-hero__facts strong {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.1;
  color: var(--crown-gold);
  letter-spacing: -.01em;
}

.page-faq .faq-hero__facts span {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 44%;
  height: 3px;
  background: var(--faq-accent-line);
}

/* ---------- 主体：索引 + 问答 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--crown-gold);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule-soft);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px;
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--ice);
  text-decoration: none;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.page-faq .faq-index__link span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--crown-gold);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--light-gold);
  padding-left: 9px;
}

@media (min-width: 960px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }
}

@media (max-width: 959px) {
  .page-faq .faq-index__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    border-top: 0;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

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

  .page-faq .faq-index__item {
    flex: 0 0 auto;
    border-bottom: 0;
  }

  .page-faq .faq-index__link {
    padding: 9px 14px;
    font-size: 13.5px;
    border: 1px solid var(--faq-rule-soft);
    white-space: nowrap;
  }
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-groups {
  display: grid;
  gap: clamp(38px, 5vw, 68px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
  color: var(--crown-gold);
  letter-spacing: .02em;
}

.page-faq .faq-group__title {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(19px, 2.1vw, 25px);
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-faq .faq-group__head .stamp {
  margin-left: auto;
}

.page-faq .faq-group__note {
  margin: 14px 0 6px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 手风琴 ---------- */

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.15vw, 16.5px);
  line-height: 1.6;
  color: var(--ice);
  transition: color .25s var(--ease);
}

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

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--light-gold);
}

.page-faq .qa__q-text {
  flex: 1 1 auto;
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  transition: border-color .25s var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--crown-gold);
  transform: translate(-50%, -50%);
}

.page-faq .qa__sign::before {
  width: 9px;
  height: 1px;
}

.page-faq .qa__sign::after {
  width: 1px;
  height: 9px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--crown-gold);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa[open] .qa__q {
  color: var(--light-gold);
}

.page-faq .qa__a {
  max-width: 68ch;
  padding: 0 2px 24px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-text-quiet);
}

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

.page-faq .qa__a .link-more {
  display: inline-block;
  margin-top: 4px;
}

.page-faq .qa__steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 14px 0 6px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .qa__steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-text-quiet);
}

.page-faq .qa__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  padding-top: 4px;
  letter-spacing: .05em;
  color: var(--electric);
}

/* ---------- 流程配图 ---------- */

.page-faq .faq-flow {
  margin: 30px 0 0;
}

.page-faq .faq-flow img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-flow__caption {
  margin-top: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 尾部延展 ---------- */

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 780px) {
  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-help__card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-micro);
}

.page-faq .faq-help__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 2px;
  background: var(--faq-accent-line);
}

.page-faq .faq-help__card h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-faq .faq-help__card p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-text-soft);
}

@media (max-width: 480px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: 1fr;
    border-top: 1px solid var(--faq-rule-soft);
  }

  .page-faq .faq-hero__facts li {
    border-right: 0;
    border-bottom: 1px solid var(--faq-rule-soft);
    padding: 14px 0;
  }

  .page-faq .faq-hero__facts li:last-child {
    border-bottom: 0;
  }
}