.page-faq {
  --faq-line: rgba(255, 255, 255, .1);
  --faq-line-soft: rgba(255, 255, 255, .055);
  --faq-panel: rgba(255, 255, 255, .045);
  --faq-text: rgba(243, 240, 234, .78);
  --faq-text-dim: rgba(243, 240, 234, .52);
  position: relative;
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-faq .faq-hero {
  padding: clamp(30px, 5vw, 58px) 0 0;
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .09em;
  color: var(--red-bright);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 20ch;
  font-size: clamp(2rem, 6.1vw, 4.1rem);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  font-weight: 700;
  color: var(--red-bright);
}

.page-faq .faq-hero__lead {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 1.03rem;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__stat-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--gold);
}

.page-faq .faq-hero__stat-label {
  font-size: .78rem;
  color: var(--smoke);
}

/* ---------- 索引面板 ---------- */
.page-faq .faq-indexwrap {
  display: grid;
  gap: 22px;
  margin-top: clamp(34px, 5vw, 56px);
}

.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-index__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 22px 22px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-line);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-faq .faq-index__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--red-bright), var(--red-deep));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .34s var(--ease);
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  border-color: rgba(208, 32, 47, .55);
  background-color: rgba(208, 32, 47, .07);
  outline: none;
}

.page-faq .faq-index__card:hover::before,
.page-faq .faq-index__card:focus-visible::before {
  transform: scaleY(1);
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: .7rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .16em;
  color: var(--red-bright);
}

.page-faq .faq-index__title {
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-index__desc {
  font-size: .82rem;
  line-height: 1.62;
  color: var(--smoke);
}

.page-faq .faq-indexart {
  margin: 0;
  border: 1px solid var(--faq-line);
  background:
    linear-gradient(158deg, rgba(208, 32, 47, .17), rgba(11, 11, 13, 0) 58%),
    linear-gradient(20deg, rgba(63, 167, 158, .09), rgba(11, 11, 13, 0) 55%),
    var(--ink-2);
  overflow: hidden;
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  margin-top: clamp(58px, 9vw, 108px);
  scroll-margin-top: 88px;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-sec__num {
  font-family: var(--mono);
  font-size: .76rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .18em;
  color: var(--red-bright);
}

.page-faq .faq-sec__line {
  flex: 0 0 auto;
  width: clamp(34px, 6vw, 72px);
  height: 1px;
  background: linear-gradient(90deg, rgba(208, 32, 47, .85), rgba(208, 32, 47, 0));
}

.page-faq .faq-sec__label {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--smoke);
}

.page-faq .faq-sec__title {
  margin: 12px 0 0;
  max-width: 26ch;
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-faq .faq-sec__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-sec__note {
  margin: 16px 0 0;
  max-width: 58ch;
  padding-left: 14px;
  border-left: 2px solid rgba(208, 32, 47, .42);
  font-size: .88rem;
  line-height: 1.72;
  color: var(--faq-text-dim);
}

.page-faq .faq-sec__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 4px;
}

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

.page-faq .faq-fig {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-faq .faq-sec__more {
  display: inline-block;
  margin-top: 28px;
  padding-bottom: 3px;
  font-size: .88rem;
  letter-spacing: .02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 167, 158, .38);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-sec__more:hover,
.page-faq .faq-sec__more:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
  outline: none;
}

/* ---------- 问答折叠组 ---------- */
.page-faq .faq-list {
  margin-top: 34px;
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-item__h {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.page-faq .faq-item__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 22px 2px;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.55;
  text-align: left;
  color: var(--paper);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color .25s var(--ease);
}

.page-faq .faq-item__btn:hover {
  color: var(--red-bright);
}

.page-faq .faq-item__btn:focus-visible {
  outline: 2px solid var(--red-bright);
  outline-offset: 2px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid rgba(208, 32, 47, .55);
  border-radius: 50%;
  transition: transform .34s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--red-bright);
  transition: opacity .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-item__sign::before {
  width: 9px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 9px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__sign {
  transform: rotate(90deg);
  background-color: var(--red);
  border-color: var(--red);
}

.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__sign::before,
.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__sign::after {
  background: var(--paper);
}

.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__sign::after {
  opacity: 0;
}

.page-faq .faq-item__panel {
  display: grid;
  grid-template-rows: 1fr;
  opacity: 1;
  transition: grid-template-rows .38s var(--ease), opacity .3s var(--ease);
}

.page-faq .faq-item__btn[aria-expanded="false"] + .faq-item__panel {
  grid-template-rows: 0fr;
  opacity: 0;
}

.page-faq .faq-item__inner {
  min-height: 0;
  overflow: hidden;
}

.page-faq .faq-item__body {
  max-width: 74ch;
  padding: 2px 2px 28px;
}

.page-faq .faq-item__text {
  margin: 0 0 14px;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--faq-text);
}

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

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 167, 158, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
  outline: none;
}

/* ---------- 分步编号 ---------- */
.page-faq .faq-steps {
  position: relative;
  margin: 16px 0 20px;
  padding: 0 0 0 34px;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(208, 32, 47, .7), rgba(208, 32, 47, .06));
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-bottom: 14px;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--faq-text);
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: -34px;
  top: .12em;
  width: 23px;
  font-family: var(--mono);
  font-size: .72rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 桌台横向主题带 ---------- */
.page-faq .faq-band {
  display: flex;
  gap: 12px;
  margin: 30px 0 0;
  padding: 2px 0 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(208, 32, 47, .5) transparent;
}

.page-faq .faq-band::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-band::-webkit-scrollbar-thumb {
  background: rgba(208, 32, 47, .5);
}

.page-faq .faq-band::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, .05);
}

.page-faq .faq-band > li {
  flex: 0 0 clamp(190px, 52vw, 232px);
  scroll-snap-align: start;
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line);
  background:
    linear-gradient(160deg, rgba(208, 32, 47, .08), rgba(11, 11, 13, 0) 62%),
    var(--faq-panel);
  transition: border-color .3s var(--ease);
}

.page-faq .faq-band > li:hover {
  border-color: rgba(208, 32, 47, .45);
}

.page-faq .faq-band__num {
  display: block;
  font-family: var(--mono);
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .16em;
  color: var(--red-bright);
}

.page-faq .faq-band__name {
  display: block;
  margin-top: 8px;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-band__note {
  margin: 8px 0 0;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--smoke);
}

/* ---------- 客服引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 30px;
  border: 1px solid rgba(208, 32, 47, .34);
  border-radius: 2px;
  background:
    linear-gradient(150deg, rgba(208, 32, 47, .18), rgba(11, 11, 13, 0) 58%),
    var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-cta__body {
  padding: 30px 26px 32px;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 300;
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-cta__btn {
  margin-top: 24px;
  display: inline-block;
}

.page-faq .faq-cta__meta {
  display: grid;
  gap: 16px;
  align-content: start;
  margin: 0;
  padding: 24px 26px 28px;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-cta__k {
  display: block;
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--smoke);
}

.page-faq .faq-cta__v {
  display: block;
  margin-top: 6px;
  font-size: .95rem;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-cta__v--num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-indexwrap {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-sec__split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-cta__body {
    padding: 36px 34px 38px;
  }

  .page-faq .faq-cta__meta {
    padding: 36px 30px 38px;
    border-top: 0;
    border-left: 1px solid var(--faq-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__panel,
  .page-faq .faq-item__sign,
  .page-faq .faq-index__card,
  .page-faq .faq-index__card::before {
    transition: none;
  }
}
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