.page-faq {
  --faq-sticky-top: 0px;
  --faq-accent: var(--gold);
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(30px, 6vw, 78px) 0 clamp(26px, 5vw, 52px);
  border-bottom: 1px solid rgba(192, 192, 200, 0.16);
}

.page-faq .faq-hero .container {
  position: relative;
  padding-left: clamp(18px, 4vw, 28px);
}

.page-faq .faq-hero .container::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-deep) 62%, transparent);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 66ch;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

/* ---------- 主体栅格 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding-top: clamp(26px, 5vw, 56px);
  padding-bottom: clamp(44px, 8vw, 104px);
}

/* ---------- 左侧分组索引 ---------- */

.page-faq .faq-toc {
  border: 1px solid rgba(192, 192, 200, 0.16);
  background: var(--ink-2);
  padding: 16px 14px 12px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid rgba(192, 192, 200, 0.16);
  background: var(--ink);
  color: var(--silver-dim);
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--gold-bright);
  border-color: var(--gold);
  background: rgba(201, 162, 39, 0.07);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-deep);
}

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

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  margin-bottom: clamp(40px, 7vw, 84px);
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: start;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.3);
}

.page-faq .faq-group__num {
  grid-row: 1 / span 2;
  align-self: start;
  display: inline-block;
  padding: 3px 7px;
  border: 1px solid var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  line-height: 1.2;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-group__lead {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 26px;
  padding: 10px;
  border: 1px solid rgba(201, 162, 39, 0.3);
  background: var(--ink-2);
}

.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(192, 192, 200, 0.16);
}

.page-faq .faq-figure__caption {
  margin: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--silver-dim);
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  display: block;
}

.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  border: 1px solid rgba(192, 192, 200, 0.16);
  background: var(--ink-2);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(201, 162, 39, 0.3);
}

.page-faq .faq-item[data-open="true"] {
  border-color: rgba(201, 162, 39, 0.45);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.06), rgba(20, 20, 24, 1) 58%);
}

.page-faq .faq-item[data-open="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-deep));
}

.page-faq .faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 16px 17px 22px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--cream);
  font-family: inherit;
  transition: color 0.25s var(--ease);
}

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

.page-faq .faq-item__q {
  display: block;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: 0.02em;
}

.page-faq .disclosure__icon {
  flex: 0 0 auto;
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--gold-deep);
  border-radius: 50%;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-item[data-open="true"] .disclosure__icon {
  border-color: var(--gold);
  transform: rotate(180deg);
}

.page-faq .disclosure__icon::before,
.page-faq .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .disclosure__icon::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .disclosure__icon::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[data-open="true"] .disclosure__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__panel {
  padding: 0 20px 20px 22px;
}

.page-faq .faq-item__panel p {
  margin: 0;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.88;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

.page-faq .faq-item__panel a,
.page-faq .faq-cta a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.45);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item__panel a:hover,
.page-faq .faq-item__panel a:focus-visible,
.page-faq .faq-cta a:hover,
.page-faq .faq-cta a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

/* ---------- 收尾引导 ---------- */

.page-faq .faq-group--cta .faq-group__head {
  border-bottom-color: rgba(192, 192, 200, 0.16);
}

.page-faq .faq-cta {
  position: relative;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(201, 162, 39, 0.3);
  background: linear-gradient(150deg, rgba(201, 162, 39, 0.1), rgba(20, 20, 24, 1) 58%);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-cta__text {
  margin: 0 0 22px;
  max-width: 60ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.88;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-faq .faq-cta .btn-row {
  margin-bottom: 20px;
}

.page-faq .faq-cta__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

/* ---------- 中等屏幕 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-figure {
    padding: 14px;
  }

  .page-faq .faq-item__trigger {
    padding: 20px 22px 20px 26px;
  }

  .page-faq .faq-item__panel {
    padding: 0 26px 24px 26px;
  }
}

/* ---------- 桌面端：左侧索引列 + 吸顶分组标题 ---------- */

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    column-gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
    padding: 20px 18px 16px;
  }

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

  .page-faq .faq-toc__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-toc__link {
    display: flex;
    width: 100%;
    white-space: normal;
    padding: 11px 13px;
  }

  .page-faq .faq-body {
    max-width: 78ch;
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 0;
    z-index: 3;
    background: var(--ink);
    padding-top: 14px;
  }

  .page-faq .faq-group__title {
    font-size: clamp(26px, 2.6vw, 34px);
  }

  .page-faq .faq-figure {
    margin-bottom: 32px;
  }

  .page-faq .faq-item__trigger {
    padding: 22px 26px 22px 30px;
  }

  .page-faq .faq-item__panel {
    padding: 0 30px 26px 30px;
  }
}

/* ---------- 降级动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc__link,
  .page-faq .faq-item,
  .page-faq .faq-item__trigger,
  .page-faq .disclosure__icon,
  .page-faq .disclosure__icon::before,
  .page-faq .disclosure__icon::after,
  .page-faq .faq-item__panel a,
  .page-faq .faq-cta a {
    transition: none;
  }
}