.page-faq {
  --faq-rule: #3A3F46;
  --faq-panel: #16181C;
  --faq-panel-hi: #23262B;
  background: var(--c-night);
  color: var(--c-white);
  padding-bottom: 88px;
  font-family: var(--font-sans);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: 22px 0 6px;
}
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}
.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-iron);
}
.page-faq .breadcrumb-link {
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.page-faq .breadcrumb-link:hover {
  color: var(--c-gold-hi);
}
.page-faq .breadcrumb-link[aria-current="page"] {
  color: var(--c-white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding: 34px 0 48px;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -60px -10% auto -10%;
  height: 340px;
  background: radial-gradient(58% 100% at 22% 0%, rgba(217, 164, 65, 0.12), transparent 72%);
  pointer-events: none;
}
.page-faq .faq-hero .eyebrow {
  display: inline-block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--c-gold);
}
.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(2rem, 5.4vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.page-faq .faq-hero .lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-mist);
}
.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--c-mist);
}
.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.page-faq .faq-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-gold-hi);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--faq-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(142deg, rgba(11, 12, 14, 0.78), rgba(11, 12, 14, 0.12) 58%, rgba(217, 164, 65, 0.16));
  pointer-events: none;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 26px 0 4px;
}
.page-faq .faq-index__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 12px;
  border: 1px solid var(--faq-rule);
  background: var(--faq-panel);
  color: var(--c-mist);
  font-size: 0.85rem;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.page-faq .faq-index__item .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-gold);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--c-white);
  border-color: var(--c-gold);
  background: var(--faq-panel-hi);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: 46px 0;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-group__head {
  margin-bottom: 24px;
}
.page-faq .faq-group__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  color: var(--c-gold);
}
.page-faq .faq-group__title {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.page-faq .faq-group__note {
  max-width: 46ch;
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-mist);
}
.page-faq .faq-group__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.5);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.page-faq .faq-group__link:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  position: relative;
  padding-left: 14px;
  border-bottom: 1px solid var(--faq-rule);
  transition: background var(--dur-fast) var(--ease);
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 4px;
  height: 20px;
  background: var(--c-gold);
  opacity: 0;
  transform: scaleY(0.3);
  transform-origin: top center;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur) var(--ease);
}
.page-faq .faq-item:has(.expand-head[aria-expanded="true"])::before {
  opacity: 1;
  transform: scaleY(1);
}
.page-faq .faq-item:hover {
  background: rgba(35, 38, 43, 0.45);
}
.page-faq .faq-item__heading {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}
.page-faq .expand-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  width: 100%;
  padding: 20px 14px 20px 0;
  background: none;
  border: 0;
  color: var(--c-white);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease);
}
.page-faq .expand-head:hover {
  color: var(--c-gold-hi);
}
.page-faq .faq-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--c-gold);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-item__q {
  display: block;
  line-height: 1.55;
}
.page-faq .expand-caret {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-right: 2px solid var(--c-mist);
  border-bottom: 2px solid var(--c-mist);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .expand-head:hover .expand-caret {
  border-color: var(--c-gold-hi);
}
.page-faq .expand-head[aria-expanded="true"] .expand-caret {
  transform: rotate(135deg);
  border-color: var(--c-gold);
}
.page-faq .expand-panel {
  padding: 0 14px 22px 44px;
}
.page-faq .expand-panel p {
  max-width: 62ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-mist);
}
.page-faq .faq-item__aside {
  margin-top: 12px;
}
.page-faq .faq-item__aside a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.45);
}
.page-faq .faq-item__aside a:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* ---------- 速查表 ---------- */
.page-faq .faq-cycle {
  padding: 52px 0;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-cycle__head {
  margin-bottom: 26px;
}
.page-faq .faq-cycle__grid {
  display: grid;
  gap: 30px;
}
.page-faq .faq-cycle__table-wrap {
  overflow-x: auto;
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.page-faq .faq-table__caption {
  padding: 16px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}
.page-faq .faq-table thead th {
  padding: 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  padding: 16px;
  text-align: left;
  font-weight: 400;
  line-height: 1.6;
  color: var(--c-white);
  border-bottom: 1px solid var(--faq-rule);
  vertical-align: top;
}
.page-faq .faq-table tbody th {
  min-width: 150px;
}
.page-faq .faq-table tbody th .num {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-gold);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-table tbody td {
  color: var(--c-mist);
  font-size: 0.85rem;
}
.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-faq .faq-table tbody tr {
  transition: background var(--dur-fast) var(--ease);
}
.page-faq .faq-table tbody tr:hover {
  background: rgba(217, 164, 65, 0.07);
}
.page-faq .faq-table tbody tr.is-current {
  background: linear-gradient(90deg, rgba(217, 164, 65, 0.16), rgba(217, 164, 65, 0) 78%);
}
.page-faq .faq-table tbody tr.is-current th {
  box-shadow: inset 3px 0 0 var(--c-gold);
  color: var(--c-gold-hi);
}
.page-faq .faq-table tbody tr.is-current td {
  color: var(--c-white);
}
.page-faq .faq-cycle__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}
.page-faq .faq-cycle__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-faq .faq-cycle__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(196deg, transparent 38%, rgba(11, 12, 14, 0.72));
  pointer-events: none;
}
.page-faq .faq-cycle__media figcaption {
  position: relative;
  z-index: 1;
  margin-top: -46px;
  padding: 0 18px 16px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 尾部联络 ---------- */
.page-faq .faq-cta {
  padding: 56px 0 0;
}
.page-faq .faq-cta__box {
  padding: 32px 24px 34px;
  background: var(--faq-panel);
  border: 1px solid var(--faq-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-faq .faq-cta__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}
.page-faq .faq-cta__title {
  margin: 14px 0 0;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.26;
  letter-spacing: -0.01em;
}
.page-faq .faq-cta__text {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-mist);
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}
.page-faq .faq-cta__facts {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--faq-rule);
}
.page-faq .faq-cta__facts dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}
.page-faq .faq-cta__facts dd {
  margin: 6px 0 0;
  font-size: 0.95rem;
  color: var(--c-white);
  word-break: break-word;
}
.page-faq .faq-cta__facts a {
  color: var(--c-gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.45);
}
.page-faq .faq-cta__facts a:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* ---------- 焦点可见性 ---------- */
.page-faq a:focus-visible,
.page-faq .expand-head:focus-visible {
  outline: 2px solid var(--c-gold-hi);
  outline-offset: 3px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }
  .page-faq .faq-group {
    padding: 60px 0;
  }
  .page-faq .faq-cycle {
    padding: 68px 0;
  }
  .page-faq .faq-cta__box {
    padding: 44px 44px 46px;
  }
  .page-faq .faq-cta__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面分屏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
    padding: 64px 0 88px;
  }
  .page-faq .faq-group {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: 56px;
    padding: 76px 0;
    align-items: start;
  }
  .page-faq .faq-group__head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    margin-bottom: 0;
  }
  .page-faq .faq-list {
    grid-column: 2;
  }
  .page-faq .faq-cycle__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    align-items: stretch;
  }
  .page-faq .faq-cycle__media {
    display: flex;
    flex-direction: column;
  }
  .page-faq .faq-cycle__media img {
    aspect-ratio: 3 / 4;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    transform: none !important;
  }
}