.page-faq {
  --faq-ink-2: #332E2A;
  --faq-ink-3: #5C5550;
  background: var(--ink);
  color: var(--paper);
}

.page-faq a {
  color: inherit;
}

/* ---------- 封面 ---------- */
.page-faq .faq-cover {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 8% 0%, rgba(200, 16, 46, .32), transparent 58%),
    radial-gradient(65% 70% at 102% 108%, rgba(123, 77, 255, .20), transparent 62%),
    var(--ink);
}

.page-faq .faq-cover::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 56%;
  height: 88%;
  border-radius: 52% 48% 38% 62% / 58% 42% 58% 42%;
  background: linear-gradient(140deg, rgba(229, 181, 75, .16), rgba(200, 16, 46, .05) 70%);
  pointer-events: none;
}

.page-faq .faq-cover__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  padding-top: clamp(26px, 5vw, 48px);
  padding-bottom: clamp(34px, 6vw, 72px);
}

.page-faq .faq-cover__kicker {
  margin: 18px 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-faq .faq-cover__title {
  margin: 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-cover__lead {
  max-width: 44rem;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-faq .faq-cover__meta .num {
  color: var(--gold);
}

.page-faq .faq-cover__annot {
  writing-mode: vertical-rl;
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--copper);
  white-space: nowrap;
}

/* ---------- 流程示意图 ---------- */
.page-faq .faq-flow {
  padding: clamp(22px, 4vw, 40px) 0 0;
  background: var(--ink);
}

.page-faq .faq-flow .img-frame__cap {
  color: var(--ink-soft);
  font-size: 13px;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-faq .faq-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 14px;
  margin-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .faq-chips a {
  flex: none;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--coal);
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--violet);
  color: var(--paper);
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-qa {
  max-width: 46rem;
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-group__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.7vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 38rem;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-group__slot {
  margin: 2px 0 0;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--coal);
  transition: border-color .16s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-item--lead {
  border-color: var(--line);
  background: linear-gradient(180deg, rgba(200, 16, 46, .13), rgba(30, 26, 25, .72));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

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

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

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 5px;
}

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

.page-faq .faq-item__mark::before {
  left: 0;
  top: 6px;
  width: 13px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 13px;
}

.page-faq details[open] > .faq-item__q {
  color: var(--gold);
}

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

.page-faq .faq-item__a {
  margin: 0 18px;
  padding: 14px 0 16px;
  border-top: 1px solid rgba(229, 181, 75, .34);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-item__a a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

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

.page-faq .faq-item__link {
  font-size: 13px;
  letter-spacing: .03em;
}

.page-faq details[open] .faq-item__a {
  animation: faq-unfold .24s var(--ease) both;
}

@keyframes faq-unfold {
  from {
    opacity: 0;
    transform: translateY(-3px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 两步路径图 ---------- */
.page-faq .faq-steps {
  margin: 4px 0 6px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--r);
  background: rgba(18, 16, 15, .55);
}

.page-faq .faq-steps svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 图片容器 ---------- */
.page-faq .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure {
  margin: 0 0 18px;
}

/* ---------- 浅色分区（桌面端） ---------- */
.page-faq .faq-group--paper {
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid rgba(154, 111, 30, .5);
  border-radius: var(--r);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .faq-group--paper .faq-group__no {
  color: var(--copper);
}

.page-faq .faq-group--paper .faq-group__desc {
  color: var(--faq-ink-3);
}

.page-faq .faq-group--paper .img-frame__cap {
  color: var(--faq-ink-3);
}

.page-faq .faq-group--paper .faq-item {
  background: rgba(18, 16, 15, .035);
  border-color: rgba(154, 111, 30, .34);
}

.page-faq .faq-group--paper .faq-item:hover {
  border-color: var(--copper);
}

.page-faq .faq-group--paper .faq-item--lead {
  border-color: var(--copper);
  background: linear-gradient(180deg, rgba(200, 16, 46, .08), rgba(18, 16, 15, .03));
}

.page-faq .faq-group--paper .faq-item__q {
  color: var(--ink);
}

.page-faq .faq-group--paper .faq-item__q:hover,
.page-faq .faq-group--paper details[open] > .faq-item__q {
  color: var(--red);
}

.page-faq .faq-group--paper .faq-item__a {
  color: var(--faq-ink-2);
}

.page-faq .faq-group--paper .faq-item__a strong {
  color: var(--ink);
}

.page-faq .faq-group--paper .faq-item__a a {
  color: var(--red);
  border-bottom-color: rgba(200, 16, 46, .45);
}

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

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin: 16px 0 4px;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--red);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 2px;
}

.page-faq .faq-contact dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--copper);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-contact dd.num {
  color: var(--gold);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-chips {
    display: none;
  }

  .page-faq .faq-grid {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 68px);
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-rail__title {
    margin: 0 0 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--copper);
  }

  .page-faq .faq-rail__list {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .page-faq .faq-rail__list::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--copper), rgba(123, 77, 255, .35));
  }

  .page-faq .faq-rail__link {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    padding: 9px 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-soft);
    text-decoration: none;
    transition: color .16s var(--ease);
  }

  .page-faq .faq-rail__dot {
    position: relative;
    z-index: 1;
    width: 11px;
    height: 11px;
    margin-top: 5px;
    border: 1px solid var(--copper);
    border-radius: 50%;
    background: var(--ink);
    transition: background .16s var(--ease), border-color .16s var(--ease);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    color: var(--paper);
  }

  .page-faq .faq-rail__link:hover .faq-rail__dot,
  .page-faq .faq-rail__link:focus-visible .faq-rail__dot {
    background: var(--violet);
    border-color: var(--violet);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-rail {
    top: 118px;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-cover__annot {
    display: none;
  }

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

  .page-faq .faq-item__q {
    font-size: 15px;
    padding: 14px 15px;
  }

  .page-faq .faq-item__a {
    margin: 0 15px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation: none !important;
    transition: none !important;
  }
}