.page-faq {
  --faq-rail-w: 236px;
  --faq-card-r: 2px 22px 2px 22px;
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: 88px;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  font-size: 13px;
  color: var(--mist);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--gold-soft);
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--gold);
}

/* ---------- 封面 ---------- */
.page-faq .faq-cover {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 0;
  background:
    radial-gradient(120% 88% at 88% -12%, rgba(213, 166, 74, 0.2), transparent 62%),
    linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 68%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cover__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .faq-cover h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 19ch;
}

.page-faq .faq-cover__intro {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-faq .faq-cover__meter {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
  padding: 22px 20px;
  background: var(--glass);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
}
.page-faq .faq-cover__meter .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-faq .faq-cover__meter .stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--gold-soft);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-cover__meter .stat-value:first-letter {
  color: inherit;
}
.page-faq .faq-cover__meter .stat-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 搜索 */
.page-faq .faq-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding: 14px 18px;
  background: rgba(12, 33, 66, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--faq-card-r);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-faq .faq-search:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(213, 166, 74, 0.16);
}
.page-faq .faq-search__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  flex: 0 0 auto;
}
.page-faq .faq-search__input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
}
.page-faq .faq-search__input::placeholder {
  color: var(--mist);
}
.page-faq .faq-search__input:focus-visible {
  outline: none;
}
.page-faq .faq-search__hint {
  flex: 1 1 100%;
  font-size: 12px;
  color: var(--mist);
}

/* 主题 chips */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding-bottom: 34px;
}
.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(20, 52, 92, 0.56);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 流程带 ---------- */
.page-faq .faq-flow-band {
  background: var(--ink-800);
  border-bottom: 1px solid var(--line-soft);
  padding: 44px 0 48px;
}
.page-faq .faq-flow-band__inner {
  display: grid;
  gap: 30px;
}
.page-faq .faq-flow-band h2 {
  margin: 12px 0 0;
}
.page-faq .faq-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-faq .faq-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-flow {
  margin: 0;
}
.page-faq .faq-flow img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--faq-card-r);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900));
  object-fit: cover;
  border: 1px solid var(--line-soft);
}
.page-faq .faq-flow figcaption,
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 主体两列 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  margin-top: 44px;
}

.page-faq .faq-rail {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  border-left: 2px solid transparent;
  background: rgba(20, 52, 92, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-faq .faq-rail__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}
.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--gold-soft);
  border-left-color: var(--gold);
  background: rgba(20, 52, 92, 0.78);
}
.page-faq .faq-rail__foot {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .faq-rail__foot a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-rail__foot a:hover,
.page-faq .faq-rail__foot a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 18px);
}
.page-faq .faq-group + .faq-group {
  margin-top: 54px;
}
.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 8px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.page-faq .faq-group h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.02em;
  grid-column: 2;
}
.page-faq .faq-group__head p {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 52ch;
}

.page-faq .faq-figure {
  margin: 22px 0 6px;
}

/* ---------- 问答 —— */
.page-faq .faq-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 20px;
  gap: 10px;
  align-items: start;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary:hover {
  color: var(--gold-soft);
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.04em;
  padding-top: 4px;
}
.page-faq .faq-q {
  display: block;
}
.page-faq .faq-mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  justify-self: end;
}
.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}
.page-faq .faq-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}
.page-faq .faq-mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}
.page-faq .faq-item[open] .faq-mark::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .faq-answer {
  padding: 0 0 20px 44px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.85;
}
.page-faq .faq-answer p {
  margin: 0;
  max-width: 52ch;
}
.page-faq .faq-answer a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* ---------- 咨询区 ---------- */
.page-faq .faq-group--help .faq-group__head {
  border-bottom-color: var(--gold);
}
.page-faq .faq-help {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}
.page-faq .faq-help__card {
  padding: 20px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-card-r);
}
.page-faq .faq-help__card--gold {
  background: linear-gradient(152deg, rgba(213, 166, 74, 0.18), rgba(12, 33, 66, 0.92));
  border-color: var(--line);
}
.page-faq .faq-help__card h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-faq .faq-help__card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-faq .faq-help__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.88;
}
.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 2px;
  background: var(--gold);
}
.page-faq .faq-help__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-soft);
  word-break: break-all;
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-faq .faq-more {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-more h3 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.page-faq .faq-more ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-more li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-more a {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  justify-self: start;
}
.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}
.page-faq .faq-more span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cover__meter {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-faq .faq-more ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cover__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.78fr);
    align-items: end;
    gap: 44px;
  }
  .page-faq .faq-cover__meter {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-flow-band__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 48px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    border-top-color: var(--line);
  }
  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-rail__list li + li {
    margin-top: 4px;
  }
  .page-faq .faq-rail__link {
    white-space: normal;
    background: transparent;
    padding: 8px 10px;
  }
  .page-faq .faq-item summary {
    font-size: 17px;
    padding: 19px 0;
  }
  .page-faq .faq-answer {
    padding-left: 44px;
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-rail__link,
  .page-faq .faq-item summary,
  .page-faq .faq-search,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after {
    transition: none;
  }
}