.page-faq {
  --faq-scroll: 104px;
}

/* ---------- 首屏 ---------- */
.page-faq .band.faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 34px) clamp(26px, 4.5vw, 48px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  bottom: -240px;
  width: min(560px, 82vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(53, 224, 200, .2), rgba(53, 224, 200, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero h1 {
  max-width: 20ch;
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: var(--fs-hero);
  line-height: 1.18;
  letter-spacing: .02em;
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  margin: 0;
}

/* ---------- 分组锚点条 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin-top: clamp(22px, 3.2vw, 34px);
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-chip);
  color: var(--ivory);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  outline: none;
}

.page-faq .faq-jump__num {
  font-variant-numeric: tabular-nums;
  font-size: .75rem;
  font-weight: 700;
  color: var(--orange-soft);
}

.page-faq .faq-jump__link:hover .faq-jump__num,
.page-faq .faq-jump__link:focus-visible .faq-jump__num {
  color: #fff;
}

/* ---------- 分组通用 ---------- */
.page-faq .faq-group {
  scroll-margin-top: var(--faq-scroll);
  padding-block: clamp(38px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-group__num {
  margin: 0;
  font-size: var(--fs-note);
  font-weight: 700;
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}

.page-faq .faq-group__head .sec-title {
  margin: 0;
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 56ch;
  font-size: .9375rem;
  line-height: 1.75;
  opacity: .86;
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-shot {
  margin: 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-card);
  object-fit: cover;
}

.page-faq .faq-shot__cap {
  margin: 10px 0 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  opacity: .76;
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-list--wide {
  gap: 12px;
}

.page-faq .qa {
  border: 1px solid rgba(16, 23, 26, .12);
  border-radius: var(--r-card);
  background: #FFFFFF;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .band--table .qa,
.page-faq .band--grass .qa {
  border-color: rgba(247, 244, 236, .14);
  background: rgba(247, 244, 236, .055);
}

.page-faq .qa[open] {
  border-color: rgba(255, 106, 43, .55);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(14px, 1.8vw, 18px) clamp(14px, 2vw, 20px);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .01em;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--orange);
  transition: transform .22s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(45deg);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-card);
}

.page-faq .qa__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-top: 1px;
  border: 2px dashed rgba(16, 23, 26, .28);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .band--table .qa__num,
.page-faq .band--grass .qa__num {
  border-color: rgba(247, 244, 236, .32);
  color: var(--ivory);
}

.page-faq .qa[open] .qa__num {
  border-style: solid;
  border-color: var(--orange);
  background: rgba(255, 106, 43, .16);
  color: var(--orange);
}

.page-faq .qa__a {
  padding: 0 clamp(14px, 2vw, 20px) clamp(16px, 2vw, 20px) calc(clamp(14px, 2vw, 20px) + 40px);
  font-size: .9688rem;
  line-height: 1.78;
}

.page-faq .qa__a p {
  margin: 0 0 .6em;
}

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

/* ---------- 正文内链 ---------- */
.page-faq .faq-link {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, .5);
  padding-bottom: 1px;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .band--ivory .faq-link {
  color: #C1400C;
  border-bottom-color: rgba(193, 64, 12, .45);
}

.page-faq .band--ivory .faq-link:hover,
.page-faq .band--ivory .faq-link:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ---------- 兼容表现条 ---------- */
.page-faq .compat {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid rgba(247, 244, 236, .16);
  border-radius: var(--r-card);
  background: rgba(11, 43, 36, .34);
}

.page-faq .compat__title {
  margin: 0 0 16px;
  font-size: var(--fs-note);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--orange-soft);
}

.page-faq .compat__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .compat__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  font-size: .8125rem;
}

.page-faq .compat__name {
  font-weight: 600;
  letter-spacing: .04em;
}

.page-faq .compat__bar {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(247, 244, 236, .14);
  overflow: hidden;
}

.page-faq .compat__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-faq .compat__fill--a { width: 100%; }
.page-faq .compat__fill--b { width: 92%; }
.page-faq .compat__fill--c { width: 88%; }
.page-faq .compat__fill--d { width: 96%; }

.page-faq .compat__level {
  font-variant-numeric: tabular-nums;
  color: var(--orange-soft);
  white-space: nowrap;
}

.page-faq .compat__note {
  margin: 16px 0 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  opacity: .82;
}

/* ---------- 准备清单 ---------- */
.page-faq .faq-prep {
  scroll-margin-top: var(--faq-scroll);
  padding-block: clamp(40px, 6vw, 80px);
}

.page-faq .faq-prep__panel {
  padding: clamp(22px, 3.4vw, 44px);
  border: 1px solid var(--line-strong);
  border-radius: calc(var(--r-card) + 6px);
  background: linear-gradient(150deg, rgba(20, 81, 63, .72), rgba(11, 43, 36, .92));
}

.page-faq .faq-prep__head {
  display: grid;
  gap: 10px;
  max-width: 56ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-prep__head .sec-title {
  margin: 0;
}

.page-faq .faq-prep__lead {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  opacity: .86;
}

.page-faq .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .checklist__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid rgba(247, 244, 236, .14);
  border-radius: 12px;
  background: rgba(247, 244, 236, .04);
  font-size: .9375rem;
  line-height: 1.5;
}

.page-faq .checklist__box {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 2px solid var(--ivory);
  border-radius: 5px;
  opacity: .72;
}

.page-faq .faq-prep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-prep__note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: var(--fs-note);
  line-height: 1.75;
  opacity: .76;
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-faq .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-split--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr);
  }

  .page-faq .faq-shot {
    position: sticky;
    top: calc(var(--faq-scroll) + 16px);
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 620px) {
  .page-faq .faq-hero h1 {
    max-width: none;
    font-size: clamp(1.75rem, 7.5vw, 2.4rem);
  }

  .page-faq .compat__row {
    grid-template-columns: 84px minmax(0, 1fr);
    row-gap: 6px;
  }

  .page-faq .compat__level {
    grid-column: 1 / -1;
    text-align: right;
    white-space: normal;
  }

  .page-faq .qa__a {
    padding-left: clamp(14px, 2vw, 20px);
  }

  .page-faq .faq-prep__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q::after,
  .page-faq .qa__num,
  .page-faq .faq-jump__link {
    transition: none;
  }
}