.page-faq {
  display: block;
}

/* ============ 首屏框景 ============ */
.page-faq .faq-hero {
  padding: 6px 0 36px;
}

.page-faq .hero-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(120% 90% at 88% 12%, rgba(28, 58, 87, 0.72) 0%, rgba(11, 27, 46, 0) 58%),
    linear-gradient(165deg, rgba(18, 40, 63, 0.9) 0%, rgba(11, 27, 46, 0.96) 100%);
  padding: 26px 20px 20px;
  display: grid;
  gap: 22px;
  overflow: hidden;
}

.page-faq .hero-frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 162, 39, 0.18);
  pointer-events: none;
}

.page-faq .hero-text {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 6px 4px;
}

.page-faq .hero-text h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.18;
  font-size: clamp(30px, 8vw, 56px);
  color: var(--paper);
}

.page-faq .hero-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-dark);
  max-width: 46ch;
}

.page-faq .hero-cats {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .hero-cats li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: rgba(28, 58, 87, 0.28);
  font-size: 14px;
  color: var(--on-dark);
}

.page-faq .hero-cats li .num {
  margin-left: auto;
  color: var(--cat, var(--gold-soft));
  font-size: 15px;
}

.page-faq .hero-media {
  position: relative;
  z-index: 2;
  margin: 0;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  background: rgba(11, 27, 46, 0.6);
}

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

.page-faq .corner {
  position: absolute;
  width: 26px;
  height: 26px;
  z-index: 3;
  pointer-events: none;
}

.page-faq .corner-tl {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.page-faq .corner-br {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

/* ============ 主体分栏 ============ */
.page-faq .faq-body {
  padding: 8px 0 44px;
}

.page-faq .faq-split {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}

/* ============ 左侧玻璃索引 ============ */
.page-faq .faq-index {
  padding: 20px 18px;
  align-self: start;
}

.page-faq .index-title {
  margin: 8px 0 14px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  color: var(--on-dark);
  text-decoration: none;
  font-size: 14.5px;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  border-color: var(--cat, var(--gold));
  background: rgba(28, 58, 87, 0.66);
  color: var(--paper);
}

.page-faq .index-link .num {
  margin-left: auto;
  font-size: 15px;
  color: var(--cat, var(--gold-soft));
}

.page-faq .index-scale {
  margin: 18px 0 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.page-faq .scale-tick {
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 162, 39, 0.15) 100%);
}

.page-faq .index-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

.page-faq .inline-link {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .inline-link:hover,
.page-faq .inline-link:focus-visible {
  color: var(--gold);
}

/* ============ 问答流 ============ */
.page-faq .faq-stream {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-faq .faq-group {
  position: relative;
  padding-left: 14px;
  border-left: 3px solid var(--cat, var(--gold));
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-group .section-head {
  margin-bottom: 14px;
}

.page-faq .faq-group h2 {
  margin: 6px 0 0;
  font-family: var(--serif);
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .group-note {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--on-dark-soft);
  max-width: 62ch;
}

/* ============ 可展开问答组 ============ */
.page-faq .accordion {
  display: grid;
  gap: 10px;
}

.page-faq .accordion-item {
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color 220ms var(--ease);
}

.page-faq .accordion-item[data-open] {
  border-color: var(--cat, var(--gold));
}

.page-faq .accordion-head {
  margin: 0;
}

.page-faq .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  transition: background-color 180ms var(--ease);
}

.page-faq .accordion-trigger:hover {
  background: rgba(201, 162, 39, 0.09);
}

.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .q-text {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 500;
}

.page-faq .accordion-icon {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 5px;
  border: 2px solid var(--cat, var(--gold));
  background: transparent;
  transition: background-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-faq .accordion-item[data-open] .accordion-icon {
  background: var(--cat, var(--gold));
  transform: rotate(45deg);
}

.page-faq .accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 240ms var(--ease);
}

.page-faq .accordion-item[data-open] .accordion-panel {
  grid-template-rows: 1fr;
}

.page-faq .accordion-panel-inner {
  overflow: hidden;
  min-height: 0;
}

.page-faq .accordion-panel-inner > p {
  margin: 0 0 8px;
  padding: 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .accordion-panel-inner > p:first-child {
  padding-top: 2px;
}

.page-faq .accordion-panel-inner > p:last-child {
  padding-bottom: 18px;
  margin-bottom: 0;
}

.page-faq .accordion-panel-inner::before {
  content: "";
  display: block;
  height: 1px;
  margin: 0 16px 14px;
  background: linear-gradient(90deg, var(--cat, var(--gold)) 0%, rgba(18, 22, 28, 0.06) 100%);
}

/* 步骤列表 */
.page-faq .step-list {
  list-style: none;
  margin: 6px 0 14px;
  padding: 0 16px;
  display: grid;
  gap: 9px;
  counter-reset: none;
}

.page-faq .step-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .step-list .num {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--cat, var(--gold));
  border-bottom: 1px solid rgba(18, 22, 28, 0.16);
  padding-bottom: 1px;
}

/* 普通列表 */
.page-faq .plain-list {
  list-style: none;
  margin: 4px 0 14px;
  padding: 0 16px;
  display: grid;
  gap: 9px;
}

.page-faq .plain-list li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
  padding-left: 14px;
  position: relative;
}

.page-faq .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cat, var(--gold));
}

/* ============ 人工协助通道 ============ */
.page-faq .assist-wrap {
  padding: 8px 0 60px;
}

.page-faq .assist-frame {
  position: relative;
  display: grid;
  gap: 24px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(200deg, rgba(46, 125, 107, 0.16) 0%, rgba(11, 27, 46, 0) 46%),
    linear-gradient(160deg, rgba(18, 40, 63, 0.94) 0%, rgba(11, 27, 46, 0.98) 100%);
  padding: 28px 20px 24px;
  overflow: hidden;
}

.page-faq .assist-frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 162, 39, 0.16);
  pointer-events: none;
}

.page-faq .assist-text {
  position: relative;
  z-index: 2;
}

.page-faq .assist-text h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-size: clamp(24px, 5.5vw, 36px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .assist-text > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark);
  max-width: 56ch;
}

.page-faq .prep-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--on-dark);
  padding: 10px 12px;
  border-left: 2px solid var(--jade);
  background: rgba(46, 125, 107, 0.1);
}

.page-faq .prep-list .num {
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--gold-soft);
}

.page-faq .assist-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .assist-media {
  position: relative;
  z-index: 2;
  margin: 0;
  border: 1px solid var(--line);
  aspect-ratio: 12 / 7;
  background: rgba(11, 27, 46, 0.6);
}

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

.page-faq .assist-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--on-dark-soft);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 760px) {
  .page-faq .hero-frame {
    padding: 34px 34px 30px;
  }

  .page-faq .hero-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step-list li {
    grid-template-columns: 34px 1fr;
  }

  .page-faq .accordion-trigger {
    padding: 18px 22px;
    font-size: 16.5px;
  }

  .page-faq .accordion-panel-inner > p {
    padding-left: 22px;
    padding-right: 22px;
  }

  .page-faq .accordion-panel-inner::before {
    margin-left: 22px;
    margin-right: 22px;
  }

  .page-faq .step-list,
  .page-faq .plain-list {
    padding-left: 22px;
    padding-right: 22px;
  }

  .page-faq .assist-frame {
    padding: 36px 34px 32px;
  }
}

@media (min-width: 1000px) {
  .page-faq .hero-frame {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 34px;
    padding: 44px 46px 40px;
  }

  .page-faq .hero-media {
    aspect-ratio: 16 / 9;
  }

  .page-faq .faq-split {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-faq .faq-stream {
    gap: 40px;
  }

  .page-faq .faq-group {
    padding-left: 22px;
    border-left-width: 3px;
  }

  .page-faq .assist-frame {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 46px 46px 40px;
  }
}

@media (min-width: 1360px) {
  .page-faq .faq-split {
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .page-faq .faq-index {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion-panel,
  .page-faq .accordion-icon,
  .page-faq .accordion-item,
  .page-faq .index-link,
  .page-faq .accordion-trigger {
    transition: none;
  }
}