.page-faq {
  background: var(--ink-900);
  color: var(--paper);
}

.page-faq .faq-crumbs {
  padding-top: 18px;
}

.page-faq .breadcrumbs__link {
  color: var(--fog);
  text-decoration: none;
}

.page-faq .breadcrumbs__link:hover {
  color: var(--lime-500);
}

.page-faq .breadcrumbs__sep,
.page-faq .breadcrumbs__item {
  color: var(--fog);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(22px, 4vw, 46px);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(circle at 84% 14%, rgba(200, 255, 61, .16), transparent 58%),
    linear-gradient(180deg, var(--ink-950), var(--ink-900));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(135deg, rgba(200, 255, 61, .055) 0 2px, transparent 2px 13px);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}

.page-faq .faq-stat {
  border-top: 3px solid var(--lime-500);
  padding-top: 10px;
}

.page-faq .faq-stat__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fog);
}

.page-faq .faq-stat__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1;
  color: var(--orange-500);
}

.page-faq .faq-stat__value span {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--fog);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 44px);
  padding-top: clamp(22px, 3.5vw, 44px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-faq .faq-aside__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--fog);
}

.page-faq .faq-cat {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cat__item {
  flex: 0 0 auto;
}

.page-faq .faq-cat__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 2px solid var(--line);
  background: var(--ink-800);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-cat__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-500);
  transition: color .18s var(--ease);
}

.page-faq .faq-cat__link:hover,
.page-faq .faq-cat__link:focus-visible {
  background: var(--lime-500);
  border-color: var(--lime-500);
  color: var(--ink-950);
  box-shadow: var(--shadow-soft);
  outline: none;
}

.page-faq .faq-cat__link:hover .faq-cat__num,
.page-faq .faq-cat__link:focus-visible .faq-cat__num {
  color: var(--ink-950);
}

/* ---------- 档案区块 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 76px;
  margin-bottom: clamp(30px, 4.5vw, 60px);
}

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

.page-faq .faq-block__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-block__num {
  flex: 0 0 auto;
  padding: 3px 8px;
  background: var(--lime-500);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 3.2vw, 27px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-block__note {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
  padding: 8px;
  border: 2px solid var(--line);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure .figure__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-950);
}

.page-faq .faq-figure .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure__caption {
  padding-top: 9px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
}

.page-faq .faq-figure--side {
  margin-top: 18px;
  margin-bottom: 0;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  position: relative;
  border: 2px solid var(--line);
  background: var(--ink-700);
  transition: border-color .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--line);
  pointer-events: none;
  transition: background-color .18s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--lime-500);
}

.page-faq .qa[open] {
  border-color: var(--lime-500);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
}

.page-faq .qa[open]::before {
  background: var(--lime-500);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 16px 14px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 2.1vw, 16.5px);
  line-height: 1.5;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--lime-500);
  outline-offset: -4px;
}

.page-faq .qa__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 2px solid var(--lime-500);
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--lime-500);
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.page-faq .qa__icon::before {
  left: 2px;
  right: 2px;
  top: 5px;
  height: 2px;
}

.page-faq .qa__icon::after {
  top: 2px;
  bottom: 2px;
  left: 5px;
  width: 2px;
}

.page-faq .qa[open] .qa__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 16px 16px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

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

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

.page-faq .qa__body a {
  color: var(--lime-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--lime-200);
}

/* ---------- 步骤条目 ---------- */
.page-faq .qa__steps {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .qa-step {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border: 2px solid var(--line);
  background: var(--ink-900);
  transition: border-color .18s var(--ease);
}

.page-faq .qa-step:hover {
  border-color: var(--lime-500);
}

.page-faq .qa-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 22px;
  height: 22px;
  background: var(--orange-500);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .qa-step__text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .qa-step__text strong {
  color: var(--lime-500);
  font-weight: 700;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 7px 0 7px 12px;
  border-left: 2px solid var(--orange-500);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--fog);
  min-width: 62px;
}

.page-faq .faq-contact__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin-top: 18px;
  padding: 16px 18px;
  border: 2px solid var(--line);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-more__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--fog);
}

.page-faq .faq-more__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-more__list a {
  display: inline-block;
  padding: 6px 11px;
  border: 2px solid var(--line);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-more__list a:hover,
.page-faq .faq-more__list a:focus-visible {
  background: var(--lime-500);
  border-color: var(--lime-500);
  color: var(--ink-950);
  outline: none;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

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

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-aside__title {
    margin-bottom: 14px;
  }

  .page-faq .faq-cat {
    flex-direction: column;
    overflow: visible;
    gap: 8px;
    padding-bottom: 0;
  }

  .page-faq .faq-cat__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-cat__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-figure--side {
    display: grid;
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 16px;
    align-items: center;
  }

  .page-faq .faq-figure--side .figure__caption {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
  }
}