.page-faq {
  --faq-rail-w: 218px;
  --faq-gutter: 34px;
  padding: 30px 0 88px;
  background:
    radial-gradient(120% 55% at 50% -8%, rgba(31, 122, 77, 0.24), transparent 68%),
    linear-gradient(180deg, var(--c-deep) 0%, var(--c-deep) 100%);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 13px;
  color: var(--c-mist);
}

.page-faq .breadcrumb .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--c-line);
}

.page-faq .breadcrumb a {
  color: var(--c-mist);
  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(--c-yellow);
  border-bottom-color: rgba(255, 209, 102, 0.55);
}

/* ---------- 顶部说明区 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  align-items: end;
  margin-bottom: 52px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-pitch);
}

.page-faq h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-white);
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-warm);
  opacity: 0.9;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-hero__media figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 主体工作区 ---------- */

.page-faq .faq-work {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(18, 58, 50, 0.5);
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-tab:hover {
  color: var(--c-white);
  border-color: var(--c-pitch);
}

.page-faq .faq-tab[aria-selected="true"] {
  color: var(--c-white);
  border-color: var(--c-orange);
  background: rgba(242, 107, 29, 0.1);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-faq .faq-tab__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-pitch);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__num {
  color: var(--c-yellow);
}

/* ---------- 面板 ---------- */

.page-faq .tab-panel {
  display: none;
}

.page-faq .tab-panel.is-active {
  display: block;
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 6px;
}

.page-faq .faq-panel__head {
  padding-bottom: 20px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-panel__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--c-white);
}

.page-faq .faq-panel__head p {
  margin: 0;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-item__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
  padding: 19px 0;
  border: 0;
  background: none;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 4px;
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__sign {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--c-pitch);
  transition: transform 0.24s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__sign::before {
  background: var(--c-orange);
}

.page-faq .faq-item:has(.faq-q[aria-expanded="false"]) .accordion-panel {
  display: none;
}

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

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-warm);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-yellow);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--c-pitch);
  background: rgba(18, 58, 50, 0.72);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-faq a.faq-link {
  color: var(--c-yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 209, 102, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq a.faq-link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-faq a.faq-link:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  max-width: 620px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-night);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--c-line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 760px) {
  .page-faq {
    padding: 40px 0 104px;
  }

  .page-faq h1 {
    max-width: 17em;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-a {
    padding: 0 0 26px 32px;
  }

  .page-faq .faq-q {
    padding: 22px 0;
    font-size: 16.5px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 48px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-work {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gutter);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-tab {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
    text-align: left;
    padding: 13px 15px;
    font-size: 14.5px;
  }

  .page-faq .faq-tab[aria-selected="true"] {
    box-shadow: inset 3px 0 0 var(--c-orange);
  }

  .page-faq .faq-panel__head {
    padding-bottom: 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    gap: 60px;
    margin-bottom: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-q,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq a.faq-link {
    transition: none;
  }
}
</final>