.page-faq {
  --faq-cat-gap: clamp(64px, 8vw, 112px);
  --faq-sticky-top: calc(var(--status-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(32px, 5vw, 72px) 0 clamp(28px, 4vw, 56px);
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  margin-top: 18px;
  color: var(--ink-dim);
}

.page-faq .faq-stats {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: clamp(24px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px 28px;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-faq .faq-stats .stat__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-faq .faq-stats .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
}

.page-faq .faq-range {
  font-size: clamp(20px, 2.6vw, 28px) !important;
  letter-spacing: 0;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vw, 60px);
  padding-bottom: clamp(96px, 12vw, 160px);
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
  }
}

/* ---------- 左侧类别索引 ---------- */
.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--ink);
  background: var(--panel);
  border-left-color: var(--cyan);
  outline: none;
}

.page-faq .faq-toc__link:focus-visible {
  box-shadow: 0 0 0 2px var(--mint);
}

.page-faq .faq-toc__idx {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-toc__foot {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 960px) {
  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky-top);
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-toc__link {
    padding: 11px 12px;
  }
}

/* ---------- 类别区块 ---------- */
.page-faq .faq-cat {
  scroll-margin-top: calc(var(--status-h) + 20px);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: var(--faq-cat-gap);
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .faq-cat__head .h-section {
  margin: 0;
}

.page-faq .faq-cat__idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(34, 224, 214, 0.36);
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-cat__note {
  position: relative;
  margin: 12px 0 0;
  padding-left: 14px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .faq-cat__note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-cat--amber .faq-cat__idx {
  color: var(--amber);
  border-color: rgba(242, 178, 51, 0.42);
}

.page-faq .faq-cat--amber .faq-cat__note::before {
  background: var(--amber);
}

.page-faq .faq-cat--red .faq-cat__idx {
  color: var(--red);
  border-color: rgba(255, 74, 61, 0.42);
}

.page-faq .faq-cat--red .faq-cat__note::before {
  background: var(--red);
}

.page-faq .faq-cat--orange .faq-cat__idx {
  color: var(--orange);
  border-color: rgba(255, 122, 47, 0.42);
}

.page-faq .faq-cat--orange .faq-cat__note::before {
  background: var(--orange);
}

/* ---------- 配图 ---------- */
.page-faq .img-frame {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .img-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.page-faq .img-frame__cap {
  margin: 0;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
}

/* ---------- 问答列表 ---------- */
.page-faq .qa-list {
  margin-top: clamp(24px, 3.5vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-faq .qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  color: var(--mint);
}

.page-faq .qa__q:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--mint);
  border-radius: var(--r-sm);
}

.page-faq .qa__icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 1px;
  background: var(--ink-dim);
  transform: translate(-50%, -50%);
  transition: background 0.24s var(--ease);
}

.page-faq .qa__icon::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .qa__icon::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .qa[open] .qa__icon {
  transform: rotate(45deg);
  border-color: rgba(242, 178, 51, 0.62);
}

.page-faq .qa[open] .qa__icon::before,
.page-faq .qa[open] .qa__icon::after {
  background: var(--amber);
}

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

.page-faq .qa__a {
  padding: 0 40px 22px 0;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.34);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .qa[open] .qa__a {
  animation: faq-reveal 0.24s var(--ease);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(72px, 9vw, 120px);
  padding: clamp(28px, 4vw, 46px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(242, 178, 51, 0.3);
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(242, 178, 51, 0.12), transparent 62%),
    var(--panel);
}

.page-faq .faq-contact .h-sub {
  margin: 16px 0 0;
  color: var(--ink);
}

.page-faq .faq-contact__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 640px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }
}

.page-faq .faq-contact__list li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-faq .faq-contact__k {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__v {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  margin: 30px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__icon,
  .page-faq .faq-toc__link,
  .page-faq .qa__q {
    transition: none;
  }

  .page-faq .qa[open] .qa__a {
    animation: none;
  }
}