.page-faq {
  padding: 26px 0 90px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  margin: 0 0 26px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.2vw, 56px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--cyan);
}

.page-faq .faq-fact--orange .faq-fact__num {
  color: var(--orange);
}

.page-faq .faq-fact__label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray-idx);
}

.page-faq .faq-hero__media {
  margin: 0;
  min-width: 0;
}

.page-faq .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分类入口 ---------- */
.page-faq .faq-cats {
  padding: 52px 0 30px;
}

.page-faq .faq-cats__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 32px);
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--paper);
}

.page-faq .faq-cats__note {
  margin: 0 0 26px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-idx);
}

.page-faq .faq-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-cat {
  position: relative;
  display: block;
  padding: 24px 20px 20px;
  background: var(--ink-800);
  clip-path: var(--cut);
  text-decoration: none;
  transition: background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-faq .faq-cat__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-idx);
}

.page-faq .faq-cat__name {
  display: block;
  margin: 12px 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-cat__desc {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-dist {
  margin: 0 0 46px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-idx);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 9px 15px;
  font-size: 14px;
  color: var(--steel);
  text-decoration: none;
  background: var(--ink-800);
  clip-path: var(--cut-sm);
  transition: color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--paper);
  background: var(--ink-700);
}

.page-faq .faq-rail__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-rail__top {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--gray-idx);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail__top:hover,
.page-faq .faq-rail__top:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin: 0 0 54px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-group .section-head {
  margin: 0 0 22px;
}

.page-faq .qa {
  margin: 0 0 10px;
  background: var(--ink-800);
  clip-path: var(--cut);
  transition: background-color 200ms var(--ease);
}

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

.page-faq .qa[open] {
  background: var(--ink-700);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gray-idx);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .qa__icon {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .qa__icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .qa__icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

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

.page-faq .qa__a {
  padding: 0 20px 20px 51px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

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

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 中段求助引导 ---------- */
.page-faq .faq-nudge {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 8px 0 54px;
  padding: 26px 24px;
  background: linear-gradient(104deg, var(--track) 0%, var(--ink-800) 74%);
  clip-path: var(--cut);
}

.page-faq .faq-nudge::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--orange);
}

.page-faq .faq-nudge__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-nudge__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-faq .faq-nudge .btn {
  justify-self: start;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  margin-top: 12px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 26px 0 0;
}

.page-faq .faq-chan {
  padding: 22px 20px;
  background: var(--ink-800);
  clip-path: var(--cut);
}

.page-faq .faq-chan__key {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-idx);
}

.page-faq .faq-chan__val {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-chan__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-faq .faq-contact__cta {
  margin: 24px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-nudge {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 32px;
  }
}

@media (min-width: 900px) {
  .page-faq {
    padding: 34px 0 110px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__media {
    align-self: end;
  }

  .page-faq .faq-hero__lead {
    font-size: 16.5px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    margin-bottom: 22px;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    padding: 10px 12px;
    background: none;
    clip-path: none;
    border-left: 2px solid var(--line-soft);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--cyan);
    background: var(--ink-700);
  }

  .page-faq .qa__q {
    padding: 20px 24px;
    gap: 16px;
  }

  .page-faq .qa__a {
    padding: 0 24px 22px 60px;
  }

  .page-faq .qa__a p {
    max-width: 68ch;
  }
}