.page-faq{
  --faq-hair: rgba(16,24,32,.12);
  --faq-hair-strong: rgba(16,24,32,.28);
  --faq-sticky: calc(var(--header-h-condensed) + 28px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq img{
  display: block;
  max-width: 100%;
  height: auto;
}

.page-faq .guide-beam{
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-soft) 20%, var(--mist) 46%, var(--lake-mid) 72%, var(--deep) 100%);
}

/* ---------- 首屏 ---------- */
.page-faq .guide-hero{
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .guide-hero .crumbs{
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-faq .guide-hero__grid{
  gap: clamp(28px, 4vw, 56px);
  align-items: end;
}

.page-faq .guide-hero__eyebrow{
  color: var(--lake);
  margin-bottom: 16px;
}

.page-faq .guide-hero__title{
  font-size: clamp(40px, 10vw, 96px);
  line-height: .98;
  letter-spacing: -.02em;
  font-weight: 300;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  color: var(--ink);
}

.page-faq .guide-hero__title br{
  display: none;
}

.page-faq .guide-hero__copy .t-lede{
  max-width: 46ch;
  margin: 0;
}

.page-faq .guide-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .guide-hero__figure{
  margin: 0;
}

.page-faq .guide-hero__figure img{
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border-top: 3px solid var(--lake);
}

.page-faq .media__caption{
  margin-top: 12px;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三步清单 ---------- */
.page-faq .guide-steps{
  position: relative;
  overflow: hidden;
}

.page-faq .guide-steps::after{
  content: "";
  position: absolute;
  right: -90px;
  top: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid var(--faq-hair);
  pointer-events: none;
}

.page-faq .guide-steps .section-head{
  position: relative;
  z-index: 1;
}

.page-faq .steps{
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 44px);
  position: relative;
  z-index: 1;
}

.page-faq .steps__item{
  padding: 22px 0;
  border-top: 1px solid var(--faq-hair-strong);
}

.page-faq .steps__num{
  display: block;
  color: var(--flag);
  margin-bottom: 10px;
}

.page-faq .steps__item h3{
  margin: 0 0 10px;
  color: var(--ink);
}

.page-faq .steps__item p{
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 40ch;
}

.page-faq .steps__arrow{
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--lake-mid);
  padding: 6px 0;
}

.page-faq .steps__arrow svg{
  transform: rotate(90deg);
}

/* ---------- 索引 + 问答 ---------- */
.page-faq .guide-body{
  padding-top: clamp(48px, 7vw, 96px);
}

.page-faq .guide-body__grid{
  gap: clamp(32px, 4vw, 64px) clamp(28px, 4vw, 64px);
}

.page-faq .guide-index__label{
  color: var(--lake);
  margin: 0 0 14px;
}

.page-faq .guide-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .guide-index__link{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-hair);
  color: var(--ink-soft);
  font-size: var(--fs-16);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-faq .guide-index__link::before{
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--lake-mid);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .guide-index__link:hover,
.page-faq .guide-index__link:focus-visible{
  color: var(--lake);
}

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

.page-faq .guide-index__meta{
  margin: 18px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
}

.page-faq .qa-group{
  scroll-margin-top: var(--faq-sticky);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-faq .qa-group:last-of-type{
  padding-bottom: 0;
}

.page-faq .qa-group__head{
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .qa-group__kicker{
  color: var(--flag);
  margin: 0 0 10px;
}

.page-faq .qa-group__title{
  margin: 0 0 10px;
  font-size: clamp(26px, 5vw, 40px);
}

.page-faq .qa-group__note{
  margin: 0;
  font-size: var(--fs-16);
  max-width: 52ch;
}

.page-faq .qa-group__figure{
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-faq .qa-group__figure img{
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion{
  border-top: 1px solid var(--faq-hair-strong);
}

.page-faq .accordion__item{
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .accordion__trigger{
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr 18px;
  gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.6vw, 24px) 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-faq .accordion__trigger:hover{
  color: var(--lake);
}

.page-faq .accordion__index{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: 5px;
  transition: color .2s var(--ease);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__index{
  color: var(--lake);
}

.page-faq .accordion__q{
  display: block;
}

.page-faq .accordion__sign{
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
  margin-top: 7px;
}

.page-faq .accordion__sign::before,
.page-faq .accordion__sign::after{
  content: "";
  position: absolute;
  background: var(--lake);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .accordion__sign::before{
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .accordion__sign::after{
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::after{
  transform: scaleY(0);
}

.page-faq .accordion__panel{
  overflow: hidden;
  transition: height .3s var(--ease);
}

.has-js .page-faq .accordion__panel{
  height: 0;
}

.page-faq .accordion__body{
  padding: 0 0 clamp(20px, 3vw, 28px);
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-soft);
}

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

/* ---------- 邮箱复制条 ---------- */
.page-faq .copy-line{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  background: var(--mist);
}

.page-faq .copy-line__label{
  color: var(--deep);
}

.page-faq .copy-line__value{
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--deep);
  word-break: break-all;
}

.page-faq .copy-line .copy-btn{
  margin-left: auto;
}

/* ---------- 兜底 ---------- */
.page-faq .guide-fallback{
  position: relative;
  overflow: hidden;
}

.page-faq .guide-fallback::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--flag) 34%, var(--lake-mid) 100%);
}

.page-faq .guide-fallback__grid{
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .guide-fallback__kicker{
  color: var(--gold);
  margin: 0 0 12px;
}

.page-faq .guide-fallback__title{
  margin: 0 0 16px;
  color: var(--paper);
  font-size: clamp(26px, 5vw, 42px);
}

.page-faq .guide-fallback__copy p{
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(251,249,245,.78);
  max-width: 44ch;
}

.page-faq .guide-fallback__links{
  display: grid;
  gap: 12px;
}

.page-faq .fallback-card{
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid var(--line-invert);
  background: rgba(251,249,245,.04);
  transition: border-color .24s var(--ease), background .24s var(--ease), transform .24s var(--ease);
}

.page-faq .fallback-card:hover,
.page-faq .fallback-card:focus-visible{
  border-color: var(--gold);
  background: rgba(240,180,41,.10);
  transform: translateX(4px);
}

.page-faq .fallback-card__label{
  color: var(--gold);
}

.page-faq .fallback-card__title{
  font-size: var(--fs-20);
  font-weight: 600;
}

.page-faq .fallback-card__desc{
  font-size: var(--fs-13);
  line-height: 1.75;
  color: rgba(251,249,245,.72);
}

.page-faq .guide-fallback__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(30px, 4vw, 48px);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px){
  .page-faq .guide-hero__title br{
    display: inline;
  }

  .page-faq .steps{
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0 clamp(10px, 2vw, 26px);
  }

  .page-faq .steps__arrow{
    padding: 46px 0 0;
    align-self: start;
  }

  .page-faq .steps__arrow svg{
    transform: none;
  }
}

@media (min-width: 900px){
  .page-faq .guide-index{
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }

  .page-faq .accordion__body{
    padding-left: 48px;
  }

  .page-faq .guide-fallback__links{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 899px){
  .page-faq .guide-hero__grid,
  .page-faq .guide-body__grid,
  .page-faq .guide-fallback__grid{
    grid-template-columns: 1fr;
  }

  .page-faq .guide-index{
    padding-bottom: 8px;
    border-bottom: 1px solid var(--faq-hair);
  }

  .page-faq .copy-line .copy-btn{
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .fallback-card:hover,
  .page-faq .fallback-card:focus-visible{
    transform: none;
  }
}