.page-faq {
  --faq-hair: rgba(138, 154, 147, 0.24);
  --faq-hair-strong: rgba(138, 154, 147, 0.42);
  display: block;
  padding-bottom: 56px;
}

/* ── 顶部区 ─────────────────────────────── */
.page-faq .faq-head {
  padding-top: 32px;
  padding-bottom: 4px;
}

.page-faq .faq-head__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .kicker {
  margin: 0 0 14px;
}

.page-faq h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.4vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.012em;
  margin: 0;
  max-width: 15ch;
  color: var(--white);
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(244, 247, 245, 0.82);
}

.page-faq .faq-head__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
}

.page-faq .faq-head__panel {
  border: 2px solid var(--lime);
  background: linear-gradient(152deg, rgba(198, 255, 61, 0.12), transparent 64%), var(--carbon);
  box-shadow: var(--shadow-lime);
  padding: 20px;
}

.page-faq .faq-head__panel-text {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 247, 245, 0.8);
}

.page-faq .faq-head__panel .btn {
  margin-top: 18px;
}

/* ── 主体两栏 ───────────────────────────── */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  margin-top: 46px;
}

/* ── 左侧问题索引 ───────────────────────── */
.page-faq .faq-index {
  border-top: 3px solid var(--orange);
  padding-top: 16px;
}

.page-faq .faq-index__list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  border-left: 2px solid var(--faq-hair);
  color: rgba(244, 247, 245, 0.78);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.45;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible,
.page-faq .faq-index__link.is-current {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(198, 255, 61, 0.07);
}

.page-faq .faq-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-index__foot {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--faq-hair-strong);
  font-size: 0.84rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ── 右侧答案区 ─────────────────────────── */
.page-faq .faq-block {
  border-top: 3px solid var(--teal);
  padding-top: 22px;
  margin: 0 0 44px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-block:last-of-type {
  margin-bottom: 30px;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-block__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-block__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 5.2vw, 1.9rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--white);
}

.page-faq .faq-block__intro {
  margin: 14px 0 22px;
  max-width: 66ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: rgba(244, 247, 245, 0.8);
}

/* ── 折叠问答 ───────────────────────────── */
.page-faq .qa {
  border: 2px solid var(--faq-hair);
  background: var(--carbon);
  margin-bottom: 12px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .qa:hover {
  border-color: var(--faq-hair-strong);
}

.page-faq .qa[open] {
  border-color: var(--lime);
  box-shadow: 5px 5px 0 rgba(198, 255, 61, 0.2);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.99rem;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .qa__mark {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
}

.page-faq .qa__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  margin-left: auto;
  border: 1px solid var(--mist);
  transition: border-color 0.18s ease;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--lime);
}

.page-faq .qa__icon::before {
  width: 8px;
  height: 1.5px;
}

.page-faq .qa__icon::after {
  width: 1.5px;
  height: 8px;
  transition: opacity 0.18s ease;
}

.page-faq .qa[open] .qa__icon {
  border-color: var(--lime);
}

.page-faq .qa[open] .qa__icon::after {
  opacity: 0;
}

.page-faq .qa__a {
  padding: 14px 16px 18px 52px;
  border-top: 1px solid var(--faq-hair);
  font-size: 0.93rem;
  line-height: 1.82;
  color: rgba(244, 247, 245, 0.8);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

/* ── 步骤编号 ───────────────────────────── */
.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
}

.page-faq .steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 48px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  line-height: 1.7;
}

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

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 32px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--orange);
}

/* ── 图文并排 ───────────────────────────── */
.page-faq .faq-grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--faq-hair);
  background: var(--carbon);
  align-self: start;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.06);
}

.page-faq .faq-figure .media__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--faq-hair);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ── 客服联系 ───────────────────────────── */
.page-faq .faq-support {
  display: grid;
  gap: 16px;
}

.page-faq .faq-support__card {
  border: 2px solid var(--lime);
  background: var(--carbon);
  padding: 20px;
}

.page-faq .faq-support__card--orange {
  border-color: var(--orange);
}

.page-faq .faq-support__value {
  margin: 10px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 3.6vw, 1.28rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-support__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-faq .faq-support__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(244, 247, 245, 0.74);
}

/* ── 延伸阅读 ───────────────────────────── */
.page-faq .faq-next {
  border-top: 3px solid var(--orange);
  padding-top: 22px;
}

.page-faq .faq-next__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

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

.page-faq .faq-next__card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 2px solid var(--faq-hair);
  background: var(--carbon);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  border-color: var(--lime);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(198, 255, 61, 0.24);
}

.page-faq .faq-next__tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-faq .faq-next__text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(244, 247, 245, 0.8);
}

.page-faq .faq-next__arrow {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--orange);
  font-size: 1.05rem;
}

/* ── 入场动效 ───────────────────────────── */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ── 平板 ───────────────────────────────── */
@media (min-width: 760px) {
  .page-faq .faq-head {
    padding-top: 42px;
  }

  .page-faq .faq-head__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 36px;
  }

  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-grid--reverse .faq-figure {
    order: -1;
  }

  .page-faq .faq-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__a {
    padding-left: 56px;
    padding-right: 22px;
  }

  .page-faq .qa__q {
    padding: 17px 20px;
  }
}

/* ── 桌面 ───────────────────────────────── */
@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
    margin-top: 54px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-faq .faq-block {
    margin-bottom: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}