.page-faq {
  --faq-sticky-top: 92px;
  color: var(--ink-900);
  background: var(--paper-50);
}

.page-faq .faq-crumb {
  padding-block: 16px 6px;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--sky-700);
  color: var(--paper-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding-block: clamp(28px, 5vw, 56px) clamp(34px, 6vw, 66px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -18%;
  width: 78%;
  height: 140%;
  background: var(--sky-500);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.55;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--rape-500) 0 34%, var(--brick-600) 34% 52%, var(--sky-100) 52% 100%);
  z-index: 1;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  color: var(--rape-500);
  letter-spacing: 0.18em;
}

.page-faq .faq-hero__title {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(251, 247, 236, 0.9);
}

.page-faq .faq-hero__jump {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 8px;
  border: 1px solid rgba(221, 242, 247, 0.45);
  border-radius: var(--pill);
  color: var(--paper-50);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  background: rgba(243, 198, 63, 0.2);
  border-color: var(--rape-500);
}

.page-faq .faq-jump__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--ink-900);
  background: var(--rape-500);
  border-radius: var(--pill);
  padding: 4px 7px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__badge {
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(66px, 16vw, 132px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--rape-500);
}

.page-faq .faq-hero__numlabel {
  max-width: 20ch;
  padding-bottom: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(251, 247, 236, 0.85);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-l);
  border: 3px solid rgba(251, 247, 236, 0.35);
  background: var(--sky-500);
}

/* 双栏骨架 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-faq .faq-toc {
  border-top: 3px solid var(--sky-700);
  padding-top: 14px;
}

.page-faq .faq-toc__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sky-700);
}

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

.page-faq .faq-toc__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  border-radius: var(--radius-s);
  color: var(--ink-900);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: var(--sky-100);
  border-left-color: var(--sky-500);
}

.page-faq .faq-toc__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sky-700);
}

.page-faq .faq-toc__label {
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-toc__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sky-700);
  background: var(--sky-100);
  border-radius: var(--pill);
  padding: 2px 8px;
  white-space: nowrap;
}

/* 问答区块 */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-block {
  padding-top: clamp(26px, 4vw, 42px);
  scroll-margin-top: clamp(88px, 12vw, 110px);
}

.page-faq .faq-block:first-child {
  padding-top: 0;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-block__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-900);
  background: var(--rape-500);
  border-radius: var(--radius-s);
  padding: 3px 8px;
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__lead {
  margin: 12px 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-900);
}

.page-faq .faq-list {
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-item {
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2vw, 17px);
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--sky-700);
  background: var(--sky-100);
  border-radius: var(--pill);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
  background: var(--rape-500);
  color: var(--ink-900);
}

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

.page-faq .faq-item__a {
  padding: 0 2px 18px;
  font-size: 15px;
  line-height: 1.78;
}

.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__a a {
  color: var(--sky-700);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--brick-600);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps__n {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--paper-50);
  background: var(--sky-700);
  border-radius: var(--pill);
}

.page-faq .gz-note {
  margin: 0;
  color: var(--sky-700);
}

/* 平板对照区 */
.page-faq .faq-pair {
  display: grid;
  gap: 20px;
  align-items: start;
}

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

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-300);
  background: var(--sky-100);
}

.page-faq .faq-figure__cap {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sky-700);
}

/* 分段切换 */
.page-faq .faq-tabs {
  margin-top: 4px;
}

.page-faq .faq-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-tab {
  padding: 9px 16px;
  border: 1px solid var(--line-300);
  border-radius: var(--pill);
  background: var(--paper-50);
  color: var(--ink-900);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--sky-700);
  border-color: var(--sky-700);
  color: var(--paper-50);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--sky-500);
  outline-offset: 2px;
}

.page-faq .faq-tabs__panel {
  padding: clamp(16px, 3vw, 26px);
  border-radius: var(--radius-m);
  background: var(--sky-100);
  font-size: 15px;
  line-height: 1.78;
}

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

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

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

/* 尾部入口 */
.page-faq .faq-cta {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(20px, 4vw, 34px);
  border-left: 6px solid var(--brick-600);
  border-radius: var(--radius-m);
  background: var(--sky-100);
  display: grid;
  gap: 14px;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.35;
}

.page-faq .faq-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-pair {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-hero__figure {
    max-width: 520px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    max-width: none;
    justify-self: end;
    width: 100%;
  }

  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .faq-toc__link,
  .page-faq .faq-item__q::after,
  .page-faq .faq-tab {
    transition: none;
  }
}