.page-faq {
  --faq-line: rgba(11, 31, 25, .14);
  --faq-line-soft: rgba(11, 31, 25, .07);
  --faq-line-inv: rgba(244, 241, 233, .24);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(26px, 5vw, 56px) clamp(38px, 6vw, 76px);
  background:
    radial-gradient(120% 96% at 84% -14%, rgba(47, 122, 92, .52), transparent 62%),
    radial-gradient(90% 70% at 4% 108%, rgba(201, 169, 106, .16), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, #0e2e24 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(201, 169, 106, .13) 0 1px, transparent 1px 92px);
  opacity: .55;
}

.page-faq .faq-hero__inner {
  position: relative;
  border: 1px solid rgba(201, 169, 106, .34);
  border-radius: var(--radius-organic);
  padding: clamp(20px, 4vw, 44px);
}

.page-faq .faq-hero .breadcrumb__list {
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .82rem;
}

.page-faq .faq-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: .5rem;
  color: rgba(244, 241, 233, .4);
}

.page-faq .faq-hero .breadcrumb__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-faq .faq-hero .breadcrumb__link:hover {
  border-bottom-color: var(--gold);
}

.page-faq .faq-hero .breadcrumb__current {
  color: rgba(244, 241, 233, .7);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .16em;
  margin: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.35rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: .3em 0 .5em;
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: rgba(244, 241, 233, .84);
}

.page-faq .faq-hero__meta {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid rgba(201, 169, 106, .3);
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 章节题头 ---------- */
.page-faq .faq-head {
  display: grid;
  gap: .5rem;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-head__num {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--gold-ink);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.35;
  color: var(--ink);
  max-width: 24ch;
}

.page-faq .faq-head__note {
  margin: 0;
  max-width: 62ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--rain);
}

/* ---------- 四类索引 ---------- */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--faq-line);
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.2vw, 26px);
  border-right: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  text-decoration: none;
  color: inherit;
  transition: background-color 180ms var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--moss);
}

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

.page-faq .faq-cat__count {
  font-family: var(--mono);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--vein);
  transition: color 180ms var(--ease);
}

.page-faq .faq-cat:hover .faq-cat__count {
  color: var(--clay-deep);
}

.page-faq .faq-cat__label {
  font-family: var(--serif);
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-cat__note {
  font-size: .86rem;
  line-height: 1.7;
  color: var(--rain);
}

/* ---------- 步骤区 ---------- */
.page-faq .faq-steps .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-faq .faq-figure .figure__media {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure__caption {
  margin-top: .7rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--rain);
}

.page-faq .steps-rail {
  display: flex;
  gap: clamp(14px, 2vw, 20px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 16px;
  scrollbar-width: thin;
}

.page-faq .step-card {
  flex: 0 0 min(85%, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .62rem;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-organic);
  box-shadow: var(--shadow-card);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-faq .step-card:hover {
  border-color: var(--clay);
  box-shadow: var(--shadow-card-hi);
}

.page-faq .step-card__num {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 3.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .step-card__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .step-card__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: .84;
}

.page-faq .step-card__hint {
  margin-top: auto;
  padding-top: .7rem;
  border-top: 1px dashed var(--faq-line);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--clay-deep);
}

.page-faq .rail-hint {
  margin: 0;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--rain);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-answers {
  background: var(--paper);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(46px, 7vw, 84px);
}

.page-faq .faq-list {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--clay);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 220ms var(--ease);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(16px, 2.2vw, 22px) clamp(16px, 2.2vw, 22px);
  font-family: var(--serif);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
  transition: color 160ms var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "";
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: .5em;
  border-right: 2px solid var(--rain);
  border-bottom: 2px solid var(--rain);
  transform: rotate(45deg);
  transition: transform 220ms var(--ease), border-color 160ms var(--ease);
}

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

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

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
  border-color: var(--clay);
}

.page-faq .faq-item__a {
  padding: 0 clamp(8px, 3vw, 40px) clamp(18px, 2.4vw, 24px) clamp(16px, 2.2vw, 22px);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--ink);
  opacity: .82;
}

/* ---------- 直接联系 ---------- */
.page-faq .faq-help {
  background:
    radial-gradient(100% 80% at 10% 0%, rgba(31, 91, 69, .55), transparent 60%),
    linear-gradient(180deg, var(--deep), #0e2e24);
  color: var(--paper);
}

.page-faq .faq-help__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: .8rem;
}

.page-faq .faq-help__title {
  margin: 0 0 .8rem;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-help__text {
  margin: 0;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(244, 241, 233, .82);
}

.page-faq .faq-help__list {
  margin: clamp(22px, 3vw, 32px) 0 0;
  display: grid;
  gap: 1px;
  background: var(--faq-line-inv);
  border: 1px solid var(--faq-line-inv);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-help__row {
  display: grid;
  gap: .25rem;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.2vw, 22px);
  background: rgba(11, 31, 25, .35);
}

.page-faq .faq-help__row dt {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(.92rem, 1.8vw, 1.05rem);
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help__foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step-card {
    flex-basis: min(56%, 320px);
  }
}

@media (min-width: 940px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero__title {
    max-width: 20ch;
  }

  .page-faq .step-card {
    flex: 0 0 300px;
  }

  .page-faq .faq-item__a {
    padding-left: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .faq-item::before,
  .page-faq .faq-item__q::after,
  .page-faq .faq-cat,
  .page-faq .faq-cat__count {
    transition: none;
  }
}