.page-faq {
  --faq-rule: 1px solid var(--line-soft);
  --faq-gap: clamp(18px, 3vw, 40px);
  padding-bottom: clamp(56px, 8vw, 120px);
}

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

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: end;
  padding: clamp(20px, 3vw, 40px) 0 clamp(24px, 3vw, 44px);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-hero__eyebrow {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  color: var(--cyan-400);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 36em;
  color: var(--text-400);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 2.6vw, 44px);
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fact__num {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  color: var(--text-100);
  letter-spacing: -0.01em;
}

.page-faq .faq-fact__num--accent {
  color: var(--orange-500);
}

.page-faq .faq-fact__lbl {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-faq .faq-hero__media {
  margin: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }
}

/* ============ 分类索引 ============ */
.page-faq .faq-index {
  position: sticky;
  top: 12px;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 12px clamp(12px, 2vw, 18px);
  border-radius: var(--radius);
}

.page-faq .faq-index__label {
  color: var(--text-400);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--text-400);
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-1000);
}

.page-faq .faq-index__count {
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--cyan-400);
}

.page-faq .faq-index__link:hover .faq-index__count,
.page-faq .faq-index__link:focus-visible .faq-index__count {
  color: var(--ink-1000);
}

.page-faq .faq-index__cta {
  margin-left: auto;
}

/* ============ 分类示意条 ============ */
.page-faq .faq-band {
  max-width: 1080px;
  margin: clamp(22px, 3vw, 38px) auto 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1000);
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
}

/* ============ 问答区块 ============ */
.page-faq .faq-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 28px);
  padding: clamp(30px, 4vw, 56px) 0;
  border-bottom: var(--faq-rule);
  scroll-margin-top: 96px;
}

.page-faq .faq-block__index {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-faq .faq-block__index--fee {
  color: var(--rose-500);
}

.page-faq .faq-block__index--entry {
  color: var(--orange-500);
}

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

.page-faq .faq-block__lead {
  margin: 12px 0 0;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-400);
}

@media (min-width: 960px) {
  .page-faq .faq-block {
    grid-template-columns: minmax(180px, 232px) minmax(0, 1fr);
    gap: clamp(26px, 3.6vw, 64px);
  }

  .page-faq .faq-block__head {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

/* ============ 折叠问答 ============ */
.page-faq .faq-item {
  position: relative;
  border-top: var(--faq-rule);
}

.page-faq .faq-block__body > .faq-item:last-child {
  border-bottom: var(--faq-rule);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 18px 42px 18px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.3vw, 19px);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text-100);
  transition: color 160ms 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,
.page-faq .faq-item__q:focus-visible {
  color: var(--cyan-200);
}

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--rose-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 220ms var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan-400);
  transition: color 200ms var(--ease);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "\2212";
  color: var(--orange-500);
}

.page-faq .faq-item__a {
  max-width: 38em;
  padding: 0 42px 24px 16px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-400);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item__a a,
.page-faq .faq-help__foot a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.45);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-help__foot a:hover {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-200);
}

/* ============ 步骤编号 ============ */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding: 11px 14px 11px 48px;
  background: var(--ink-800);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-100);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 12px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange-500);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 11px 14px;
  border-left: 2px solid var(--rose-500);
  background: var(--glass-06);
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan-200);
}

/* ============ 兜底联系区 ============ */
.page-faq .faq-help {
  padding-top: clamp(30px, 4vw, 56px);
  scroll-margin-top: 96px;
}

.page-faq .faq-help__panel {
  padding: clamp(22px, 3vw, 40px);
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .faq-help__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 36em;
  color: var(--text-400);
}

.page-faq .faq-help__channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  background: var(--line-soft);
  border: var(--faq-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-channel {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--ink-900);
}

.page-faq .faq-channel__lbl {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-faq .faq-channel__val {
  font-family: var(--font-num);
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-100);
  word-break: break-word;
}

.page-faq .faq-channel__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-faq .faq-help__foot {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-400);
}

@media (min-width: 720px) {
  .page-faq .faq-help__channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 620px) {
  .page-faq .faq-index {
    position: static;
    gap: 10px;
  }

  .page-faq .faq-index__list {
    width: 100%;
  }

  .page-faq .faq-index__link {
    padding: 7px 12px;
    font-size: 12px;
  }

  .page-faq .faq-index__cta {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }

  .page-faq .faq-item__q {
    padding: 16px 34px 16px 12px;
    font-size: 16px;
  }

  .page-faq .faq-item__a {
    padding: 0 16px 20px 12px;
    font-size: 14px;
  }

  .page-faq .faq-steps > li {
    padding: 10px 12px 10px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}