.page-faq {
  --faq-measure: 54rem;
  --faq-narrow: 46rem;
  position: relative;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 96px;
  overflow-x: clip;
  color: var(--mist);
  background:
    radial-gradient(1100px 520px at 92% -8%, rgba(27, 35, 80, 0.82), transparent 62%),
    radial-gradient(720px 420px at 2% 6%, rgba(94, 31, 50, 0.38), transparent 68%);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--cyan);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-faq h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .lead {
  max-width: 34rem;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2.3vw, 1.22rem);
  line-height: 1.66;
  color: var(--mist);
  opacity: 0.9;
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.1);
}

/* ---------- 粘性分组标签 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  margin-top: 44px;
  padding: 10px 0;
  background: rgba(6, 42, 38, 0.93);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.page-faq .faq-jump-list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump-list > li {
  flex: 0 0 auto;
}

.page-faq .faq-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-jump-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  opacity: 0.85;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-column {
  max-width: var(--faq-measure);
  margin-right: auto;
}

.page-faq .faq-group {
  margin-top: 64px;
  scroll-margin-top: calc(var(--header-h) + 96px);
}

.page-faq .faq-group:first-child {
  margin-top: 54px;
}

.page-faq .faq-group-head {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-group-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(58, 237, 196, 0.45);
  background: linear-gradient(180deg, var(--panel), rgba(11, 58, 51, 0.72));
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px 18px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  transition: color 0.2s var(--ease);
}

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

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .faq-q-index {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

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

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  margin-top: 3px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-q-mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-q-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 20px 20px 52px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .faq-a p {
  max-width: 62ch;
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  flex: 0 0 auto;
  min-width: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-help {
  margin-top: 88px;
}

.page-faq .faq-help-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-help-media {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
}

.page-faq .faq-help-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-faq .faq-help-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .faq-help-copy > p {
  max-width: 40rem;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--mist);
  opacity: 0.88;
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 5px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-contact-list a {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-contact-list a:hover {
  color: var(--orange);
}

.page-faq .faq-contact-value {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 快捷入口 ---------- */
.page-faq .faq-quick {
  display: grid;
  gap: 12px;
  margin-top: 44px;
}

.page-faq .faq-quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--panel), rgba(11, 58, 51, 0.55));
  color: var(--mist);
  text-decoration: none;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-quick-card:hover,
.page-faq .faq-quick-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 16px 34px rgba(2, 14, 13, 0.5);
}

.page-faq .faq-quick-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(58, 237, 196, 0.45);
  border-radius: 9px;
  background: rgba(58, 237, 196, 0.1);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-quick-card strong {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-quick-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--silver);
}

.page-faq .faq-quick-arrow {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

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

  .page-faq .faq-a {
    font-size: 16px;
  }

  .page-faq .faq-q {
    padding: 20px 22px 20px 24px;
  }

  .page-faq .faq-a {
    padding: 0 24px 22px 58px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
  }

  .page-faq .faq-hero-media {
    aspect-ratio: 7 / 5;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 60px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump-link,
  .page-faq .faq-quick-card,
  .page-faq .faq-q-mark::after,
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-contact-list a {
    transition: none;
  }

  .page-faq .faq-jump-link:hover,
  .page-faq .faq-quick-card:hover,
  .page-faq .faq-quick-card:focus-visible {
    transform: none;
  }
}