.page-faq {
  --faq-hair: rgba(44, 66, 58, 0.55);
  --faq-panel: rgba(22, 41, 31, 0.42);
  position: relative;
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 22px;
}
.page-faq .faq-crumbs .breadcrumbs {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-faq .faq-crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-faq .faq-crumbs a:hover {
  color: var(--neon);
}
.page-faq .faq-crumbs__sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 4.6vw, 58px) 0 clamp(42px, 6vw, 78px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -12% -15% auto -15%;
  height: 152%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 46% at 84% 14%, var(--neon-soft), transparent 68%),
    radial-gradient(44% 42% at 6% 94%, rgba(226, 82, 158, 0.08), transparent 70%),
    linear-gradient(140deg, var(--deep-green) 0%, rgba(10, 15, 13, 0) 58%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 96%);
}
.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: clamp(31px, 5.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}
.page-faq .faq-hero__lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.9;
  color: var(--body-text);
}

.page-faq .faq-facts {
  list-style: none;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-pill);
  background: rgba(16, 32, 25, 0.62);
}
.page-faq .faq-facts__v {
  font-size: 14.5px;
}
.page-faq .faq-facts__k {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 52px);
  align-items: start;
}

/* ---------- 侧栏目录 ---------- */
.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 11px;
  border-left: 2px solid transparent;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-toc__link .mono {
  font-size: 11px;
  color: rgba(155, 176, 166, 0.72);
}
.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link.is-active {
  color: var(--cloud);
  background: var(--neon-soft);
  border-left-color: var(--neon);
}
.page-faq .faq-toc__link.is-active .mono {
  color: var(--neon);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 118px;
  padding: clamp(30px, 4.4vw, 52px) 0;
}
.page-faq .faq-section:first-child {
  padding-top: 0;
}
.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--faq-hair);
}
.page-faq .faq-section + .faq-section::before {
  content: "";
  display: block;
  width: clamp(56px, 14%, 140px);
  height: 2px;
  margin-bottom: clamp(20px, 3vw, 30px);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--neon), rgba(63, 224, 198, 0));
}
.page-faq .faq-section--last {
  padding-bottom: 0;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 30px);
}
.page-faq .qa-grid--single {
  grid-template-columns: 1fr;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-left-width: 2px;
  border-left-color: var(--line-slate);
  border-radius: 0 12px 12px 0;
  background: linear-gradient(100deg, var(--faq-panel), rgba(22, 41, 31, 0.12));
  transition: border-color 0.24s ease, background 0.24s ease, box-shadow 0.24s ease;
}
.page-faq .faq-item[open] {
  border-left-color: var(--neon);
  background: linear-gradient(100deg, rgba(63, 224, 198, 0.085), rgba(22, 41, 31, 0.26));
  box-shadow: 0 16px 34px -26px var(--glow);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  color: var(--cloud);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:hover {
  color: var(--neon);
}
.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-left: auto;
  margin-top: 5px;
  color: var(--neon);
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.24s ease, opacity 0.24s ease;
}
.page-faq .faq-item__icon::before {
  left: 0;
  top: 6.5px;
  width: 15px;
  height: 2px;
}
.page-faq .faq-item__icon::after {
  top: 0;
  left: 6.5px;
  width: 2px;
  height: 15px;
}
.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .faq-item__a {
  padding: 0 18px 17px 16px;
  color: var(--body-text);
  font-size: 14px;
  line-height: 1.9;
}
.page-faq .faq-item__a p {
  margin: 0;
}
.page-faq .faq-item__a p + p {
  margin-top: 8px;
}

/* ---------- 等宽数值 ---------- */
.page-faq .num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95em;
  letter-spacing: 0.02em;
  color: var(--gold);
}
.page-faq .faq-item__a .mono,
.page-faq .faq-ask__list .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.02em;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  aspect-ratio: 10 / 7;
}
.page-faq .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq .faq-side-figure {
  margin: 0;
  aspect-ratio: 1 / 1;
}

/* ---------- 机器人与托管分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(18px, 2.6vw, 30px);
}
.page-faq .faq-split__main .qa-grid {
  margin-top: 0;
}

/* ---------- 收束区 ---------- */
.page-faq .faq-ask {
  margin-top: clamp(18px, 2.6vw, 30px);
  padding: clamp(26px, 3.6vw, 46px);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(72% 120% at 88% 0%, var(--neon-soft), transparent 62%),
    linear-gradient(120deg, rgba(22, 41, 31, 0.72), rgba(10, 15, 13, 0.5));
}
.page-faq .faq-ask h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-faq .faq-ask p {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--body-text);
}
.page-faq .faq-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}
.page-faq .faq-ask__list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  border-top: 1px solid var(--faq-hair);
  padding-top: clamp(16px, 2vw, 22px);
}
.page-faq .faq-ask__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  color: var(--cloud);
}
.page-faq .faq-ask__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: 196px minmax(0, 1fr);
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 118px;
  }
  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 246px;
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-item__q {
    font-size: 14.5px;
    padding: 14px 13px;
  }
  .page-faq .faq-item__a {
    padding: 0 14px 15px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-toc__link {
    transition: none;
  }
}