.page-faq {
  --faq-blur: blur(14px);
  background:
    radial-gradient(circle at 90% 12%, rgba(57, 255, 20, 0.08), transparent 260px),
    radial-gradient(circle at 10% 72%, rgba(255, 107, 53, 0.06), transparent 300px),
    var(--c-light);
  color: var(--c-text);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  padding-top: 36px;
  padding-bottom: 12px;
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: 24px;
  align-items: center;
}
.page-faq .faq-hero__content h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.4vw, 2.8rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin-top: 8px;
  color: var(--c-deep);
}
.page-faq .faq-hero .lead-text {
  margin-top: 16px;
  max-width: 640px;
  color: var(--c-muted);
}
.page-faq .faq-hero__clock {
  display: block;
  width: min(240px, 58vw);
  height: auto;
  margin: 0 auto;
}
.page-faq .faq-hero__clock text {
  font-family: var(--font-mono);
}
@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding-top: 48px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.5fr 0.8fr;
  }
  .page-faq .faq-hero__clock {
    width: min(280px, 100%);
    margin: 8px 0 0 auto;
  }
}

/* ===== 分类快速跳转 ===== */
.page-faq .faq-cats {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  padding-bottom: 14px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: 18px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-cats::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-cats__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--c-deep);
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--trans-fast), color var(--trans-fast), transform var(--trans-fast);
}
.page-faq .faq-cats__link:hover {
  background: var(--c-neon);
  color: var(--c-deep);
  transform: translateY(-2px);
}
@media (min-width: 640px) {
  .page-faq .faq-cats {
    flex-wrap: wrap;
    overflow-x: visible;
    justify-content: center;
  }
}

/* ===== 主布局 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 56px;
}
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

/* ===== 侧栏 ===== */
.page-faq .faq-side {
  position: static;
}
.page-faq .faq-side__inner {
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: var(--faq-blur);
  -webkit-backdrop-filter: var(--faq-blur);
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.page-faq .faq-side__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-muted);
  margin-bottom: 14px;
}
.page-faq .faq-side__link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-deep);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.925rem;
  transition: background var(--trans-fast), color var(--trans-fast), padding-left var(--trans-fast);
}
.page-faq .faq-side__link:hover {
  background: rgba(10, 31, 68, 0.08);
  padding-left: 16px;
}
.page-faq .faq-side__card {
  margin-top: 18px;
  padding: 16px;
  background: var(--c-deep);
  border-radius: var(--radius);
  color: var(--c-white);
}
.page-faq .faq-side__badge {
  display: inline-block;
  background: var(--c-neon);
  color: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.page-faq .faq-side__card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 14px;
}
.page-faq .faq-side__card .ghost-btn {
  display: inline-block;
  text-decoration: none;
}
@media (min-width: 980px) {
  .page-faq .faq-side {
    position: sticky;
    top: 24px;
  }
}

/* ===== 问答池 ===== */
.page-faq .faq-pool {
  display: grid;
  gap: 36px;
  min-width: 0;
}
.page-faq .faq-group {
  scroll-margin-top: 96px;
  min-width: 0;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(10, 31, 68, 0.06);
}
.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-orange);
  border: 2px solid var(--c-orange);
  border-radius: 8px;
  padding: 4px 8px;
  line-height: 1;
}
.page-faq .faq-group h2 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--c-deep);
  margin: 0;
}
@media (min-width: 640px) {
  .page-faq .faq-group h2 {
    font-size: 1.55rem;
  }
}

/* ===== 组内图片 ===== */
.page-faq .faq-group__figure {
  margin: 14px 0 6px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--c-deep-alt);
  border: 1px solid rgba(10, 31, 68, 0.08);
  position: relative;
}
.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}
.page-faq .faq-group__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 24px 14px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-white);
  background: linear-gradient(to top, rgba(7, 22, 46, 0.72), transparent);
  pointer-events: none;
}

/* ===== 手风琴 ===== */
.page-faq .faq-item {
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: var(--faq-blur);
  -webkit-backdrop-filter: var(--faq-blur);
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: var(--radius);
  margin-top: 10px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--trans-smooth), border-color var(--trans-smooth);
}
.page-faq .faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: rgba(57, 255, 20, 0.45);
}
.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-deep);
  transition: color var(--trans-fast);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary:hover {
  color: var(--c-orange);
}
.page-faq .faq-item__marker {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(10, 31, 68, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--trans-fast), transform var(--trans-fast);
}
.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: '';
  position: absolute;
  display: block;
  background: var(--c-deep);
  border-radius: 2px;
  transition: background var(--trans-fast), transform var(--trans-fast);
}
.page-faq .faq-item__marker::before {
  width: 10px;
  height: 2px;
}
.page-faq .faq-item__marker::after {
  width: 2px;
  height: 10px;
}
.page-faq .faq-item[open] .faq-item__marker {
  background: var(--c-deep);
}
.page-faq .faq-item[open] .faq-item__marker::before {
  background: var(--c-neon);
}
.page-faq .faq-item[open] .faq-item__marker::after {
  background: var(--c-neon);
  transform: rotate(90deg);
}

/* ===== 答案区 ===== */
.page-faq .faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}
.page-faq .faq-item[open] .faq-item__answer {
  grid-template-rows: 1fr;
  opacity: 1;
}
.page-faq .faq-item__answer-inner {
  overflow: hidden;
  min-height: 0;
}
.page-faq .faq-item__answer-body {
  padding: 0 18px 18px;
}
.page-faq .faq-item__answer-body > * + * {
  margin-top: 12px;
}
.page-faq .faq-item__answer-body p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-text);
}
.page-faq .faq-item__answer-body a:not(.faq-item__link) {
  color: var(--c-deep);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--c-neon);
  transition: color var(--trans-fast);
}
.page-faq .faq-item__answer-body a:not(.faq-item__link):hover {
  color: var(--c-orange);
}
.page-faq .faq-item__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px dashed rgba(90, 107, 138, 0.4);
  transition: color var(--trans-fast), border-color var(--trans-fast);
}
.page-faq .faq-item__link:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}
.page-faq .faq-item__answer-body .mono-text {
  color: var(--c-deep);
  font-weight: 700;
}

/* ===== 底部协助 CTA ===== */
.page-faq .faq-help {
  margin-top: 16px;
}
.page-faq .faq-help__inner {
  display: grid;
  gap: 20px;
  align-items: center;
  padding-top: 36px;
  padding-bottom: 36px;
}
.page-faq .faq-help__copy .eyebrow {
  color: var(--c-neon);
}
.page-faq .faq-help h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--c-white);
  margin: 6px 0 0;
}
.page-faq .faq-help p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 10px;
  max-width: 560px;
}
.page-faq .faq-help .cta-btn {
  text-decoration: none;
  white-space: nowrap;
  text-align: center;
}
@media (min-width: 820px) {
  .page-faq .faq-help__inner {
    grid-template-columns: 1fr auto;
    padding-top: 44px;
    padding-bottom: 44px;
  }
}