.page-faq {
  --faq-ink-soft: rgba(233, 242, 238, .78);
  --faq-line-soft: rgba(31, 74, 61, .72);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-crumb-sep {
  margin: 0 .5em;
  color: var(--c-tick);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 2.6vw, 26px);
  padding: clamp(22px, 4vw, 48px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(79, 227, 193, .16), transparent 58%),
    linear-gradient(178deg, #12281F 0%, var(--c-canvas) 62%, #0B1A15 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 0;
  width: 14px;
  background-image: repeating-linear-gradient(180deg, var(--c-tick) 0 1px, transparent 1px 12px);
  opacity: .5;
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 40ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero-stat {
  position: relative;
  align-self: start;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-panel);
  background: rgba(20, 48, 40, .6);
  backdrop-filter: blur(6px);
}

.page-faq .faq-hero-stat::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 3px;
  background: var(--c-signal);
}

.page-faq .faq-stat-num {
  display: block;
  font-size: clamp(52px, 9vw, 84px);
  font-weight: 300;
  line-height: .95;
  color: var(--c-accent);
}

.page-faq .faq-stat-label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-index);
  letter-spacing: .16em;
  color: var(--c-muted);
}

.page-faq .faq-stat-list {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  display: grid;
  gap: 11px;
}

.page-faq .faq-stat-list > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--fs-index);
}

.page-faq .faq-stat-list dt {
  color: var(--c-muted);
}

.page-faq .faq-stat-list dd {
  margin: 0;
  color: var(--c-text);
}

/* ---------- 两步提示 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .faq-step {
  position: relative;
}

.page-faq .faq-step-num {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  border-radius: 3px;
}

.page-faq .faq-step-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .faq-step p {
  margin: 8px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--faq-ink-soft);
}

/* ---------- 正文链接 ---------- */
.page-faq .faq-a a,
.page-faq .faq-step a,
.page-faq .faq-outro-copy a:not(.btn) {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, .42);
  transition: border-color .14s var(--ease), color .14s var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-step a:hover,
.page-faq .faq-outro-copy a:not(.btn):hover {
  border-bottom-color: var(--c-accent);
}

/* ---------- 类别区 ---------- */
.page-faq .faq-cats {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-faq .faq-cats-intro {
  max-width: 60ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-cat {
  position: relative;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-cat:last-of-type {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(320px, 52%);
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--c-tick) 0 1px, transparent 1px 14px);
  opacity: .7;
  pointer-events: none;
}

.page-faq .faq-cat-head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(20px, 2.6vw, 30px) 0;
  cursor: pointer;
  list-style: none;
  transition: color .16s var(--ease);
}

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

.page-faq .faq-cat-num {
  flex: none;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-muted);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  transition: background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-cat[open] .faq-cat-num {
  color: var(--c-base);
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.page-faq .faq-cat:not([open]) .faq-cat-head:hover .faq-cat-num {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.page-faq .faq-cat-title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--c-text);
}

.page-faq .faq-cat[open] .faq-cat-title {
  color: var(--c-text);
}

.page-faq .faq-cat-count {
  flex: none;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-muted);
}

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

.page-faq .faq-cat-mark::before,
.page-faq .faq-cat-mark::after {
  content: "";
  position: absolute;
  background: var(--c-accent);
  transition: transform .16s var(--ease), opacity .16s var(--ease);
}

.page-faq .faq-cat-mark::before {
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .faq-cat-mark::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 14px;
  transform: translateX(-50%);
}

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

.page-faq .faq-cat-body {
  padding-bottom: clamp(18px, 3vw, 34px);
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-q {
  display: flex;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: -.01em;
  color: var(--c-text);
  transition: color .14s var(--ease);
}

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

.page-faq .faq-q:hover {
  color: var(--c-accent);
}

.page-faq .faq-q-mark {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border: 1px solid var(--c-tick);
  transform: rotate(45deg);
  transition: background-color .14s var(--ease), border-color .14s var(--ease), transform .14s var(--ease);
}

.page-faq .faq-item[open] .faq-q-mark {
  background: var(--c-accent);
  border-color: var(--c-accent);
  transform: rotate(45deg) scale(1.15);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
}

.page-faq .faq-a {
  padding: 0 0 20px 20px;
  max-width: 64ch;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

/* ---------- 图文混排 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-figure,
.page-faq .faq-mid-figure {
  margin: 0;
}

.page-faq .faq-mid-figure {
  max-width: 620px;
  margin: clamp(18px, 3vw, 28px) 0 clamp(20px, 3vw, 32px);
}

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

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(48px, 7vw, 92px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(115deg, rgba(255, 106, 31, .10), transparent 48%),
    var(--c-layer);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-outro-copy p {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .faq-outro-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .faq-links a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-text);
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-links a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
}

/* ---------- 自适应 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-step + .faq-step {
    padding-left: clamp(22px, 3vw, 42px);
  }

  .page-faq .faq-step + .faq-step::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-line), transparent);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-outro {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
  }
}

@media (min-width: 940px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-cat-count {
    display: none;
  }

  .page-faq .faq-a {
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
  }
}