.page-faq {
  --faq-num-w: 2.6rem;
  --faq-gap: 0.9rem;
  --faq-stick: 8.5rem;
  display: block;
}

@media (min-width: 42em) {
  .page-faq {
    --faq-num-w: 4.25rem;
    --faq-gap: 1.6rem;
    --faq-stick: 9.5rem;
  }
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-block: clamp(0.9rem, 2.6vw, 1.5rem) 0.35rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2rem, 6.5vw, 4.5rem) clamp(1.8rem, 5vw, 3.6rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -18%;
  right: -22%;
  width: min(62rem, 122vw);
  height: min(34rem, 80vw);
  background: linear-gradient(
    128deg,
    rgba(43, 232, 176, 0.17) 0%,
    rgba(27, 142, 122, 0.08) 42%,
    rgba(6, 23, 38, 0) 72%
  );
  clip-path: polygon(24% 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -16%;
  bottom: -48%;
  width: 52vw;
  height: 52vw;
  background: radial-gradient(circle, rgba(242, 180, 65, 0.1), rgba(6, 23, 38, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero__title {
  margin: 0.75em 0 0;
  max-width: 40rem;
  font-family: var(--lz-font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.85rem, 6vw, 3.7rem);
  line-height: 1.1;
  color: var(--lz-text);
}

.page-faq .faq-hero__lede {
  margin-top: 1.25rem;
  max-width: 36em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.5rem, 3.6vw, 2.2rem);
}

/* ---------- 类别跳转条 ---------- */
.page-faq .faq-jumps {
  border-top: 1px solid var(--lz-line-soft);
  border-bottom: 1px solid var(--lz-line-soft);
  background: linear-gradient(180deg, rgba(12, 35, 56, 0.86), rgba(12, 35, 56, 0.42));
}

.page-faq .faq-jumps__inner {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-block: 0.9rem;
}

.page-faq .faq-jumps__label {
  font-family: var(--lz-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-jumps__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.3rem;
  list-style: none;
  overflow-x: auto;
  max-width: 100%;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jumps__list a {
  display: inline-block;
  white-space: nowrap;
  padding: 0.34rem 0.72rem;
  border: 1px solid var(--lz-line);
  border-radius: var(--lz-radius);
  font-size: 0.82rem;
  color: var(--lz-text);
  text-decoration: none;
  transition: border-color 0.22s var(--lz-ease), color 0.22s var(--lz-ease),
    background-color 0.22s var(--lz-ease);
}

.page-faq .faq-jumps__list a:hover,
.page-faq .faq-jumps__list a:focus-visible {
  border-color: var(--lz-line-strong);
  color: var(--lz-pulse);
  background: rgba(43, 232, 176, 0.08);
}

@media (min-width: 62em) {
  .page-faq .faq-jumps__inner {
    flex-direction: row;
    align-items: center;
    gap: 1.35rem;
  }
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-section {
  padding-block: clamp(2.4rem, 6.5vw, 4.5rem);
  border-top: 1px solid var(--lz-line-soft);
}

.page-faq .faq-section--shade {
  background: linear-gradient(180deg, rgba(12, 35, 56, 0.62), rgba(6, 23, 38, 0.18));
}

.page-faq .faq-section .lz-band {
  margin: 0;
}

.page-faq .faq-section__title {
  margin: 0.55rem 0 0;
  font-family: var(--lz-font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.45rem, 4.2vw, 2.4rem);
  line-height: 1.2;
  color: var(--lz-text);
}

.page-faq .faq-section__intro {
  margin: 0.95rem 0 0;
  max-width: 38em;
  color: var(--lz-muted);
  font-size: 1rem;
  line-height: 1.78;
}

/* ---------- 名词速查 ---------- */
.page-faq .faq-gloss {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(1.5rem, 4vw, 2.3rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--lz-line-soft);
  border: 1px solid var(--lz-line-soft);
  border-radius: var(--lz-radius);
  overflow: hidden;
}

@media (min-width: 40em) {
  .page-faq .faq-gloss {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 68em) {
  .page-faq .faq-gloss {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-gloss__item {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  padding: clamp(1rem, 2.6vw, 1.4rem);
  background: var(--lz-ink-2);
}

.page-faq .faq-gloss__code {
  font-family: var(--lz-font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--lz-pulse);
}

.page-faq .faq-gloss__name {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--lz-text);
}

.page-faq .faq-gloss__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--lz-muted);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--lz-line-soft);
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: var(--faq-num-w) minmax(0, 1fr);
  gap: 0 var(--faq-gap);
  padding-block: clamp(1rem, 2.6vw, 1.4rem);
  border-bottom: 1px solid var(--lz-line-soft);
}

.page-faq .faq-item__no {
  position: sticky;
  top: var(--faq-stick);
  align-self: start;
  padding-left: 0.7rem;
  border-left: 2px solid var(--lz-line-strong);
  font-family: var(--lz-font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: var(--lz-pulse);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--lz-font-display);
  font-weight: 700;
  color: var(--lz-text);
  font-size: clamp(1.02rem, 2.4vw, 1.16rem);
  line-height: 1.6;
  transition: color 0.22s var(--lz-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(--lz-pulse);
}

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

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin-top: 0.36em;
  margin-left: auto;
  color: var(--lz-pulse);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.3s var(--lz-ease), opacity 0.3s var(--lz-ease);
}

.page-faq .faq-item__body[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  margin-top: 0.85rem;
  padding-left: 0.95rem;
  border-left: 2px solid var(--lz-line-strong);
}

.page-faq .faq-item__a--key {
  border-left-color: var(--lz-amber);
}

.page-faq .faq-item__a--fix {
  border-left-color: var(--lz-coral);
}

.page-faq .faq-item__a p {
  margin: 0;
  color: var(--lz-text);
  font-size: 0.97rem;
  line-height: 1.78;
}

.page-faq .faq-item__a p + p {
  margin-top: 0.7em;
}

/* ---------- 名词提示 ---------- */
.page-faq .faq-term {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed var(--lz-pulse-soft);
  cursor: help;
}

.page-faq .faq-term:hover,
.page-faq .faq-term:focus-visible {
  color: var(--lz-pulse-soft);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
}

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

/* ---------- 移动端手势区 ---------- */
.page-faq .faq-mobile-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.4rem);
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-faq .faq-mobile-block .faq-list {
  margin-top: 0;
}

@media (min-width: 62em) {
  .page-faq .faq-mobile-block {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 页尾指引 ---------- */
.page-faq .faq-tail {
  padding-block: clamp(1.8rem, 5vw, 3rem);
  border-top: 1px solid var(--lz-line-soft);
}

.page-faq .faq-tail__text {
  margin: 0;
  max-width: 40em;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--lz-muted);
}

.page-faq .faq-tail__text a {
  color: var(--lz-pulse);
  text-decoration: none;
  border-bottom: 1px solid var(--lz-line-strong);
  transition: color 0.22s var(--lz-ease), border-color 0.22s var(--lz-ease);
}

.page-faq .faq-tail__text a:hover,
.page-faq .faq-tail__text a:focus-visible {
  color: var(--lz-pulse-soft);
  border-color: var(--lz-pulse-soft);
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign::after,
  .page-faq .faq-item__q,
  .page-faq .faq-jumps__list a,
  .page-faq .faq-tail__text a {
    transition: none;
  }
}

.page-faq {
  --lz-muted: currentColor;
}