.page-faq {
  --faq-gap: clamp(16px, 2.4vw, 34px);
  --faq-rail: 268px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(24px, 4vw, 52px) clamp(32px, 5vw, 72px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(22px, 3.2vw, 44px);
  align-items: end;
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  }
}

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

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: clamp(18px, 2.4vw, 28px);
}

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

.page-faq .faq-hero__stats {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--mist);
  min-width: 0;
}

.page-faq .faq-hero__stats .pb-num {
  color: var(--lime);
  font-size: 1.05rem;
  letter-spacing: 0;
}

/* ---------- 章节标题 ---------- */

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

.page-faq .faq-head .pb-lead {
  margin-top: 10px;
}

/* ---------- 最常被问到的三件事 ---------- */

.page-faq .faq-top__grid {
  margin-top: clamp(20px, 3vw, 36px);
}

.page-faq .faq-top__card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-800);
  min-width: 0;
}

.page-faq .faq-top__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), rgba(182, 255, 59, 0) 72%);
}

.page-faq .faq-top__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-faq .faq-top__card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-top__link {
  margin-top: auto;
  align-self: flex-start;
  color: var(--text);
  font-size: 0.84rem;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-top__link:hover,
.page-faq .faq-top__link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 呼吸图 ---------- */

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

/* ---------- 问答区 ---------- */

.page-faq .faq-qa {
  padding-block: clamp(40px, 6vw, 88px);
}

.page-faq .faq-tabs {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
  margin-top: clamp(24px, 3.4vw, 48px);
}

@media (min-width: 900px) {
  .page-faq .faq-tabs {
    grid-template-columns: minmax(196px, var(--faq-rail)) minmax(0, 1fr);
  }
}

.page-faq .faq-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (min-width: 900px) {
  .page-faq .faq-tabs__bar {
    position: sticky;
    top: 96px;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    padding-left: 16px;
    border-left: 2px solid var(--line);
  }
}

.page-faq .pb-tabs__tab {
  flex: 1 1 44%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 11px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

@media (min-width: 900px) {
  .page-faq .pb-tabs__tab {
    flex: 0 0 auto;
    justify-content: flex-start;
  }
}

.page-faq .pb-tabs__tab:hover {
  color: var(--text);
  background: rgba(31, 42, 99, 0.6);
}

.page-faq .pb-tabs__tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .pb-tabs__tab[aria-selected="true"] {
  background: var(--lime);
  color: var(--ink-900);
}

.page-faq .faq-tabs__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  opacity: 0.72;
  flex: none;
}

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

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

.page-faq .pb-tabs__panel[hidden] {
  display: none;
}

/* ---------- 单条问答 ---------- */

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

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

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: break-word;
  transition: color var(--dur) 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(--lime);
}

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

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
  padding-top: 0.35em;
}

.page-faq .faq-item__q > span:last-child {
  min-width: 0;
}

.page-faq .faq-item__a {
  padding: 0 2px 24px 44px;
  max-width: 64ch;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.78;
  overflow-wrap: break-word;
}

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

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

.page-faq .faq-item[open] .faq-item__q {
  color: var(--text);
}

.page-faq .faq-item__link {
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-item__link:hover,
.page-faq .faq-item__link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

/* 答案里的荧光短划标注 */

.page-faq .faq-item__a strong {
  font-weight: 500;
  color: var(--text);
  background: linear-gradient(transparent 62%, rgba(182, 255, 59, 0.42) 62%);
  padding: 0 1px;
}

/* ---------- 还有问题 ---------- */

.page-faq .faq-help__panel {
  display: grid;
  gap: clamp(24px, 3.4vw, 52px);
  padding: clamp(22px, 3.6vw, 52px);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900) 68%);
  border: 1px solid var(--line);
}

@media (min-width: 860px) {
  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-faq .faq-help__main .pb-btn {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-help__mail {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 59, 0.45);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__mail:hover,
.page-faq .faq-help__mail:focus-visible {
  border-color: var(--lime);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--mist);
  min-width: 0;
}

.page-faq .faq-help__list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 0.62em;
  background: var(--lime);
}

/* ---------- 窄屏保护 ---------- */

@media (max-width: 560px) {
  .page-faq .pb-tabs__tab {
    flex: 1 1 100%;
  }

  .page-faq .faq-item__a {
    padding-left: 26px;
  }
}

@media (max-width: 380px) {
  .page-faq .faq-hero__stats {
    gap: 8px 16px;
  }

  .page-faq .faq-item__q {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pb-tabs__tab,
  .page-faq .faq-top__link,
  .page-faq .faq-item__q {
    transition: none;
  }
}