.page-faq {
  --faq-index-w: 250px;
  --faq-line: rgba(169, 128, 90, 0.32);
  --faq-card: rgba(8, 37, 31, 0.58);
  --faq-replay-ink: #9FD0E4;
  padding-bottom: 84px;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: 6px;
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero__frame {
  position: relative;
  overflow: hidden;
  padding: 30px 20px 26px;
  border: 1px solid rgba(169, 128, 90, 0.48);
  border-radius: 18px;
  background:
    radial-gradient(120% 140% at 88% 6%, rgba(200, 57, 43, 0.16), transparent 58%),
    linear-gradient(158deg, rgba(107, 74, 47, 0.6) 0%, rgba(8, 37, 31, 0.94) 64%);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  right: 13px;
  width: 7px;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(217, 164, 65, 0.5) 0 1px,
    transparent 1px 11px
  );
  pointer-events: none;
}

.page-faq .faq-hero__title {
  margin: 10px 0 16px;
  padding-right: 18px;
  max-width: 22ch;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 60ch;
  padding-right: 18px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__note {
  margin: 14px 0 0;
  color: var(--mist);
}

/* ---------- 目录 + 问答流 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 34px;
  align-items: start;
}

.page-faq .faq-index {
  min-width: 0;
  padding-top: 14px;
  border-top: 2px solid var(--cinnabar);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px 9px 12px;
  border-left: 3px solid transparent;
  color: var(--sand);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.45;
  transition: border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--cinnabar);
  color: var(--ivory);
  background: rgba(200, 57, 43, 0.1);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-index__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-index__foot a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(217, 164, 65, 0.6);
}

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

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 104px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 56px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid rgba(169, 128, 90, 0.28);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-faq .faq-item[open] {
  border-color: rgba(200, 57, 43, 0.45);
  background: rgba(8, 37, 31, 0.82);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  color: var(--ivory);
}

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

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

.page-faq .faq-q__no {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.62;
  letter-spacing: 0.01em;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 15px;
  width: 15px;
  height: 15px;
  margin-top: 6px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform var(--t-fast) var(--ease),
    opacity var(--t-fast) var(--ease);
}

.page-faq .faq-q__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-q__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
}

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

.page-faq .faq-a {
  padding: 18px 16px 22px;
  border-top: 1px solid rgba(169, 128, 90, 0.22);
}

.page-faq .faq-a__part + .faq-a__part {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed rgba(169, 128, 90, 0.24);
}

.page-faq .faq-a__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-a__part--fallback .faq-a__label {
  color: var(--walnut-light);
}

.page-faq .faq-a__tip {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--walnut-light);
  background: rgba(107, 74, 47, 0.24);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sand);
}

.page-faq .faq-a .text-body {
  margin: 0;
  color: var(--sand);
}

.page-faq .faq-a .text-body + .text-body {
  margin-top: 12px;
}

/* ---------- 步骤条 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step-list__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .step-list__dot {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(217, 164, 65, 0.75);
  background: rgba(217, 164, 65, 0.1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .step-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--sand);
}

/* ---------- 普通列表 ---------- */
.page-faq .plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--sand);
}

.page-faq .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--walnut-light);
}

/* ---------- 客服与网络区块 ---------- */
.page-faq .faq-region {
  padding: 22px 18px;
  border: 1px solid rgba(46, 125, 154, 0.42);
  border-radius: 16px;
  background: linear-gradient(
    146deg,
    rgba(46, 125, 154, 0.22) 0%,
    rgba(31, 60, 122, 0.32) 100%
  );
}

.page-faq .faq-region__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18.5px;
  line-height: 1.55;
  color: var(--ivory);
}

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

.page-faq .faq-region__list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}

.page-faq .faq-region__key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--faq-replay-ink);
}

.page-faq .faq-region__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(159, 208, 228, 0.26);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sand);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-end {
  margin-top: 60px;
  padding: 26px 20px;
  border: 1px solid rgba(200, 57, 43, 0.4);
  border-radius: 16px;
  background:
    radial-gradient(130% 120% at 10% 0%, rgba(200, 57, 43, 0.18), transparent 62%),
    rgba(8, 37, 31, 0.72);
}

.page-faq .faq-end__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.4;
  color: var(--ivory);
}

.page-faq .faq-end__text {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--sand);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__frame {
    padding: 38px 34px 34px;
  }

  .page-faq .faq-hero__title,
  .page-faq .faq-hero__lede {
    padding-right: 34px;
  }

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

  .page-faq .faq-group__no {
    font-size: 30px;
  }

  .page-faq .faq-q {
    padding: 18px 22px;
    gap: 14px;
  }

  .page-faq .faq-q__text {
    font-size: 17.5px;
  }

  .page-faq .faq-a {
    padding: 20px 22px 26px;
  }

  .page-faq .faq-region {
    padding: 28px 26px;
  }

  .page-faq .faq-region__title {
    font-size: 20px;
  }

  .page-faq .faq-region__list li {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .page-faq .faq-end {
    padding: 34px 32px;
  }
}

/* ---------- 宽屏：目录常驻 + 问答流 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
    margin-top: 50px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 100px;
  }

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

  .page-faq .faq-group + .faq-group {
    margin-top: 72px;
  }

  .page-faq .faq-end {
    margin-top: 78px;
  }
}

@media (min-width: 1280px) {
  .page-faq {
    --faq-index-w: 272px;
  }

  .page-faq .faq-group__title {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 120ms !important;
    animation-duration: 120ms !important;
  }
}