.page-faq {
  --faq-line: rgba(245, 241, 232, .12);
  --faq-line-strong: rgba(224, 164, 88, .45);
  --faq-panel: rgba(31, 41, 51, .55);
  --faq-panel-open: rgba(31, 41, 51, .84);
  --faq-shadow: 0 22px 48px -32px rgba(8, 19, 31, .95);
}

.page-faq,
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq p,
.page-faq li,
.page-faq h1,
.page-faq h2,
.page-faq h3 {
  overflow-wrap: break-word;
}

.page-faq section[id] {
  scroll-margin-top: 5rem;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: clamp(1.1rem, 3.5vw, 1.9rem);
}

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .84rem;
  letter-spacing: .01em;
}

.page-faq .crumbs li {
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
}

.page-faq .crumbs li + li::before {
  content: "›";
  margin-right: .55rem;
  color: rgba(224, 164, 88, .65);
  font-size: .95em;
}

.page-faq .crumbs a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

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

.page-faq .crumbs [aria-current="page"] {
  color: var(--cream);
}

/* ---------- 通用小节 ---------- */
.page-faq .faq-block {
  position: relative;
  padding-block: clamp(2.4rem, 6.5vw, 4.8rem);
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 241, 232, .13) 22%, rgba(245, 241, 232, .13) 78%, transparent);
  pointer-events: none;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  opacity: .75;
}

.page-faq .faq-h2 {
  margin: 0 0 .85rem;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 4vw, 2.05rem);
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--cream);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.4rem, 4vw, 2.4rem) clamp(2.2rem, 6vw, 4rem);
}

.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  inset: -30% 42% auto -22%;
  height: 78%;
  background: radial-gradient(circle at 34% 44%, rgba(139, 92, 246, .16), transparent 66%);
  pointer-events: none;
}

.page-faq .faq-intro::after {
  content: "";
  position: absolute;
  inset: auto auto -34% 62%;
  width: 46%;
  height: 60%;
  background: radial-gradient(circle at 50% 50%, rgba(111, 162, 135, .16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-intro__grid {
  position: relative;
  display: grid;
  gap: clamp(1.8rem, 5vw, 3.4rem);
  align-items: end;
}

.page-faq .faq-intro h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 6vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--cream);
  font-weight: 700;
}

.page-faq .faq-intro__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(1rem, 2.1vw, 1.08rem);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-intro__art {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(31, 41, 51, .9), rgba(11, 26, 42, .62));
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-intro__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 5;
  object-fit: cover;
  opacity: .93;
}

.page-faq .faq-intro__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(139, 92, 246, .12), transparent 48%, rgba(224, 164, 88, .12));
  pointer-events: none;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps-section {
  padding-block: clamp(2.4rem, 6.5vw, 4.6rem);
}

.page-faq .faq-steps-head {
  max-width: 62ch;
}

.page-faq .faq-steps-note {
  margin: 0;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-faq .faq-steps {
  position: relative;
  display: grid;
  gap: 1rem;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(1.35rem, 3.2vw, 1.9rem);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(31, 41, 51, .82), rgba(11, 26, 42, .74));
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: var(--faq-line-strong);
  box-shadow: 0 20px 44px -30px rgba(224, 164, 88, .7);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: clamp(1.35rem, 3.2vw, 1.9rem);
  right: clamp(1.35rem, 3.2vw, 1.9rem);
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--celadon), var(--amber));
  transform: scaleX(.2);
  transform-origin: left center;
  transition: transform .42s var(--ease);
}

.page-faq .faq-step:hover::after,
.page-faq .faq-step:focus-within::after {
  transform: scaleX(1);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: .75rem;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-faq .faq-step__title {
  margin: 0 0 .6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.12rem, 2.6vw, 1.32rem);
  line-height: 1.4;
  color: var(--cream);
  font-weight: 700;
}

.page-faq .faq-step__body {
  margin: 0 0 1.1rem;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-step__jump {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .84rem;
  color: var(--amber);
  text-decoration: none;
  padding-bottom: .18rem;
  border-bottom: 1px solid rgba(224, 164, 88, .38);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-step__jump::after {
  content: "↓";
  font-size: .85em;
  line-height: 1;
}

.page-faq .faq-step__jump:hover,
.page-faq .faq-step__jump:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* ---------- 双栏布局 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(1.7rem, 5vw, 3.4rem);
}

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

.page-faq .faq-aside-text {
  margin: 0 0 1.3rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-aside-btn {
  text-decoration: none;
}

.page-faq .faq-figure {
  position: relative;
  margin: 1.6rem 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(31, 41, 51, .74), rgba(11, 26, 42, .5));
}

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

.page-faq .faq-figure .media__cap {
  display: block;
  padding: .8rem 1rem;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--faq-line);
  background: rgba(8, 19, 31, .55);
}

.page-faq .faq-systems {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-systems .tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .75rem;
  min-width: 0;
  counter-reset: faq;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .28s var(--ease), background .28s var(--ease), box-shadow .28s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(224, 164, 88, .32);
}

.page-faq .faq-item[open] {
  border-color: rgba(224, 164, 88, .5);
  background: var(--faq-panel-open);
  box-shadow: 0 18px 40px -34px rgba(224, 164, 88, .85);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: 1.05rem clamp(1rem, 2.6vw, 1.4rem);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: clamp(.99rem, 2.2vw, 1.08rem);
  font-weight: 700;
  line-height: 1.58;
  color: var(--cream);
  transition: color .25s var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

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

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

.page-faq .faq-item__idx {
  flex: none;
  padding-top: .26rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-item__idx::before {
  counter-increment: faq;
  content: counter(faq, decimal-leading-zero);
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: .48rem;
  margin-left: auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--celadon);
  transform: translateY(-50%);
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-faq .faq-item__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--amber);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item__a {
  padding: 1rem clamp(1rem, 2.6vw, 1.4rem) 1.35rem;
  border-top: 1px solid rgba(245, 241, 232, .08);
  font-size: .94rem;
  line-height: 1.82;
  color: var(--text);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal .28s var(--ease);
}

.page-faq .faq-item__a p {
  margin: 0 0 .7rem;
}

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

.page-faq .faq-item__a a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 164, 88, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

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

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.6rem, 7vw, 4.8rem);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  inset: auto -18% -46% 42%;
  height: 92%;
  background: radial-gradient(circle at 50% 50%, rgba(111, 162, 135, .2), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  inset: -40% 58% auto -14%;
  height: 76%;
  background: radial-gradient(circle at 40% 40%, rgba(224, 164, 88, .14), transparent 64%);
  pointer-events: none;
}

.page-faq .faq-cta__grid {
  position: relative;
  display: grid;
  gap: clamp(1.7rem, 5vw, 3rem);
  align-items: center;
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.5rem;
}

.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}

.page-faq .faq-cta__meta {
  display: grid;
  gap: .95rem;
  margin: 0;
  padding: 0 0 0 1.25rem;
  list-style: none;
  border-left: 2px solid rgba(224, 164, 88, .4);
}

.page-faq .faq-cta__meta li {
  display: grid;
  gap: .22rem;
  min-width: 0;
}

.page-faq .faq-cta__meta .mono {
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, .46);
}

.page-faq .faq-cta__val {
  font-size: .96rem;
  line-height: 1.55;
  color: var(--cream);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-cta__meta {
    padding-left: 1.5rem;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-steps::before {
    content: "";
    position: absolute;
    top: 3.2rem;
    left: 9%;
    right: 9%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(224, 164, 88, .38) 28%, rgba(111, 162, 135, .38) 72%, transparent);
    pointer-events: none;
  }

  .page-faq .faq-step {
    z-index: 1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 3.8rem);
  }

  .page-faq .faq-split--flip {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
  }

  .page-faq .faq-split--flip .faq-split__aside {
    order: 2;
  }

  .page-faq .faq-split--flip .faq-list {
    order: 1;
  }

  .page-faq .faq-cta__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-figure {
    margin-top: 1.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}