.page-faq {
  --faq-block: clamp(30px, 6vw, 56px);
  --faq-hair: rgba(58, 71, 80, 0.55);
  --faq-soft: rgba(244, 239, 227, 0.76);
  background: var(--ink-0);
  color: var(--paper);
  font-family: var(--font-mono);
  padding-bottom: clamp(48px, 9vw, 104px);
}

.page-faq .lx-breadcrumb {
  padding: clamp(16px, 3vw, 26px) 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .lx-breadcrumb__link,
.page-faq .lx-breadcrumb__item {
  color: var(--gray);
  text-decoration: none;
}

.page-faq .lx-breadcrumb__link:hover,
.page-faq .lx-breadcrumb__link:focus-visible {
  color: var(--cyan);
}

.page-faq .lx-breadcrumb__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 6vw, 64px) 0 clamp(26px, 4.5vw, 46px);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -8%;
  width: min(48%, 430px);
  height: 150%;
  background: var(--grad);
  opacity: 0.14;
  clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: var(--faq-block);
}

.page-faq .faq-hero__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(36px, 10vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: clamp(60px, 16vw, 118px);
  height: 6px;
  margin-top: 16px;
  background: var(--grad);
  transform: skewX(-26deg);
}

.page-faq .faq-hero__lead {
  max-width: 56ch;
  margin: 20px 0 0;
  font-size: clamp(14px, 3.6vw, 16px);
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-stat {
  background: var(--ink-1);
  padding: 12px 10px 14px;
}

.page-faq .faq-stat__value {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(22px, 5.6vw, 32px);
  line-height: 1.05;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--gray);
}

/* ===== 三步自查 ===== */
.page-faq .faq-check {
  margin-top: var(--faq-block);
}

.page-faq .faq-check__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-check__index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 6vw, 36px);
  line-height: 1;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-check__title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(20px, 4.8vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-check__note {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-check__num {
  grid-row: 1 / span 2;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--cyan);
  text-stroke: 1.4px var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-check__itemtitle {
  margin: 0;
  font-size: clamp(15px, 3.8vw, 17px);
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-check__text {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-soft);
}

/* ===== 过滤条 ===== */
.page-faq .faq-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--faq-block);
  padding: 10px 14px;
  background: var(--ink-1);
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--cyan);
  transition: border-color 0.2s ease;
}

.page-faq .faq-filter:focus-within {
  border-color: var(--cyan);
  border-left-color: var(--orange);
}

.page-faq .faq-filter__icon {
  display: inline-flex;
  flex: none;
  color: var(--cyan);
}

.page-faq .faq-filter__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 0;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.page-faq .faq-filter__input::placeholder {
  color: var(--gray);
}

.page-faq .faq-filter__input:focus {
  outline: none;
}

.page-faq .faq-filter__input::-webkit-search-cancel-button {
  filter: invert(1);
  opacity: 0.5;
}

.page-faq .faq-filter__hint {
  flex: none;
  padding: 3px 8px;
  font-size: 11px;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 26, 0.42);
  font-variant-numeric: tabular-nums;
}

/* ===== 主布局 ===== */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: var(--faq-block);
}

.page-faq .faq-index {
  background: var(--ink-1);
  border: 1px solid var(--faq-hair);
  padding: 12px;
}

.page-faq .faq-index__title {
  display: none;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  flex: none;
  padding: 8px 12px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  background: rgba(0, 240, 208, 0.08);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-index__num {
  font-size: 11px;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

/* ===== 分类章节 ===== */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(34px, 6vw, 62px);
  min-width: 0;
}

.page-faq .faq-cat {
  scroll-margin-top: 96px;
}

.page-faq .faq-cat__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-cat__index {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1;
  color: var(--violet);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(20px, 4.8vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cat__note {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-faq .faq-figure {
  aspect-ratio: 900 / 560;
  margin: 20px 0 10px;
}

.page-faq .faq-figure .lx-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .lx-media__caption {
  font-size: 12px;
  color: var(--gray);
}

/* ===== 问答条目 ===== */
.page-faq .faq-cat__items {
  display: grid;
}

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

.page-faq .faq-item__q {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 16px 4px 16px 14px;
  transition: background-color 0.2s ease;
}

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--line);
  transform: skewY(-8deg);
  transition: background-color 0.2s ease;
}

.page-faq .faq-item__q:hover {
  background: rgba(244, 239, 227, 0.04);
}

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

.page-faq .faq-item[open] .faq-item__q::before {
  background: var(--red);
}

.page-faq .faq-item__num {
  font-size: 12px;
  color: var(--gray);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-item__text {
  font-size: clamp(14px, 3.7vw, 16px);
  line-height: 1.62;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform 0.22s ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-item__a {
  padding: 2px 8px 22px 54px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--faq-soft);
}

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

.page-faq .faq-item__a a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-answer-in 0.28s ease both;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ===== 求助区块 ===== */
.page-faq .faq-help {
  margin-top: clamp(44px, 8vw, 88px);
  padding: clamp(22px, 4vw, 38px);
  background: var(--ink-1);
  border: 1px solid var(--faq-hair);
  border-top: 3px solid var(--orange);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq .faq-help__index {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(28px, 7vw, 44px);
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-help__lead {
  max-width: 46ch;
  margin: 14px 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
  align-self: start;
}

.page-faq .faq-help__item {
  background: var(--ink-0);
  padding: 13px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--faq-soft);
}

.page-faq .faq-help__key {
  color: var(--cyan);
}

.page-faq .faq-help__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--faq-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-help__foot a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__foot a:hover,
.page-faq .faq-help__foot a:focus-visible {
  color: var(--cyan);
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    align-items: end;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    padding: 18px 14px;
  }

  .page-faq .faq-index__title {
    display: block;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    display: flex;
    white-space: normal;
    padding: 9px 10px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-faq .faq-item__q {
    grid-template-columns: 36px minmax(0, 1fr) 16px;
    padding: 18px 6px 18px 18px;
  }

  .page-faq .faq-item__a {
    padding-left: 72px;
    padding-right: clamp(24px, 6vw, 120px);
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__q::before,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-index__link,
  .page-faq .faq-filter {
    transition: none;
  }
}