.page-faq {
  color: var(--white);
  background: var(--ink);
  --faq-hair: rgba(93, 112, 123, .38);
  --faq-soft: rgba(93, 112, 123, .22);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-top {
  padding-top: clamp(16px, 3vw, 34px);
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--grid);
}
.page-faq .crumbs li {
  display: flex;
  align-items: center;
}
.page-faq .crumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-faq .crumbs a {
  color: var(--grid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--acid);
  border-bottom-color: var(--acid);
}
.page-faq .crumbs [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  margin-top: clamp(20px, 3vw, 32px);
}
.page-faq .faq-hero__main .eyebrow {
  margin: 0 0 12px;
  color: var(--acid);
}
.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.03;
  letter-spacing: -.02em;
}
.page-faq .faq-lead {
  max-width: 36em;
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-hair);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-stats li {
  background: var(--ink);
  padding: 12px 8px;
}
.page-faq .faq-stats .num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: .04em;
  color: var(--acid);
  line-height: 1.1;
}
.page-faq .faq-stats .lab {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--grid);
}
.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--faq-hair);
  background: var(--ink-2);
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-hero__media .media__cap {
  display: block;
  padding: 8px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--grid);
  border-top: 1px solid var(--faq-hair);
}

/* ---------- 战术板布局 ---------- */
.page-faq .faq-board {
  display: grid;
  gap: 30px;
  margin-top: clamp(34px, 5vw, 64px);
}
.page-faq .faq-index {
  border-top: 2px solid var(--acid);
  padding-top: 14px;
}
.page-faq .faq-index .eyebrow {
  margin: 0 0 12px;
  color: var(--grid);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--faq-hair);
}
.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 10px 11px 13px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--white);
  border-left-color: var(--acid);
  background: rgba(31, 122, 76, .18);
}
.page-faq .faq-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--acid);
}
.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--grid);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 92px;
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 58px);
}
.page-faq .faq-group__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--grass);
}
.page-faq .faq-group__id {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--acid);
  flex: 0 0 auto;
}
.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.15;
  letter-spacing: -.01em;
}
.page-faq .faq-group__lede {
  max-width: 36em;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grid);
}
.page-faq .faq-figure {
  max-width: 300px;
  margin: 18px 0 6px;
  border: 1px solid var(--faq-hair);
  background: var(--ink-2);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  padding: 8px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--grid);
  border-top: 1px solid var(--faq-hair);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-soft);
  border-left: 3px solid transparent;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.page-faq .faq-q[open] {
  border-left-color: var(--acid);
  background: rgba(20, 40, 58, .5);
}
.page-faq .faq-q__head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 6px 15px 13px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}
.page-faq .faq-q__head::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q__head::marker {
  content: "";
}
.page-faq .faq-q__head:hover {
  color: var(--acid);
}
.page-faq .faq-q__n {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--grid);
}
.page-faq .faq-q[open] .faq-q__n {
  color: var(--acid);
}
.page-faq .faq-q__mark {
  flex: 0 0 auto;
  margin-left: auto;
  padding-top: 1px;
  font-family: var(--font-mono);
  color: var(--grid);
}
.page-faq .faq-q__mark::before {
  content: "+";
  display: inline-block;
  font-size: 17px;
  line-height: 1;
}
.page-faq .faq-q[open] .faq-q__mark::before {
  content: "\2212";
  color: var(--acid);
}
.page-faq .faq-q__body {
  padding: 0 20px 18px 13px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-q__body p {
  margin: 0 0 8px;
}
.page-faq .faq-q__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-q__body a {
  color: var(--acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .42);
  transition: border-color .18s var(--ease);
}
.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  border-bottom-color: var(--acid);
}

/* 步骤编号 */
.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  display: grid;
  gap: 7px;
  margin: 10px 0;
  padding: 0;
}
.page-faq .faq-steps li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.page-faq .faq-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--acid);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(22px, 3.4vw, 38px);
  background: var(--grass-deep);
  border-top: 3px solid var(--orange);
}
.page-faq .faq-cta .eyebrow {
  margin: 0 0 10px;
  color: var(--acid);
}
.page-faq .faq-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.14;
  letter-spacing: -.015em;
}
.page-faq .faq-cta p {
  max-width: 34em;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-q__head {
    font-size: 16px;
    padding: 17px 8px 17px 15px;
  }
  .page-faq .faq-q__body {
    padding: 0 26px 20px 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(220px, .8fr);
    align-items: end;
    gap: clamp(28px, 4vw, 60px);
  }
  .page-faq .faq-hero__media {
    transform: translateY(-6px);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-board {
    grid-template-columns: minmax(200px, 258px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 68px);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }
  .page-faq .faq-figure {
    float: right;
    margin: 4px 0 20px 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-stats li {
    padding: 14px 12px;
  }
  .page-faq .faq-q__head {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q,
  .page-faq .faq-q__head,
  .page-faq .faq-q__body a,
  .page-faq .faq-index__list a,
  .page-faq .crumbs a {
    transition: none;
  }
}