.page-faq {
  background-color: var(--tx-ink);
  background-image: radial-gradient(120% 55% at 86% 0%, rgba(182, 255, 60, 0.07), transparent 62%);
  color: var(--tx-text);
  font-family: var(--tx-body);
  padding-bottom: 88px;
}

/* 面包屑 */
.page-faq__crumb {
  padding-top: 26px;
}
.page-faq .tx-breadcrumb {
  font-family: var(--tx-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--tx-mute);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.page-faq .tx-breadcrumb a {
  color: var(--tx-mute);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 164, 155, 0.4);
  transition: color 0.2s var(--tx-ease), border-color 0.2s var(--tx-ease);
}
.page-faq .tx-breadcrumb a:hover,
.page-faq .tx-breadcrumb a:focus-visible {
  color: var(--tx-lime);
  border-bottom-color: var(--tx-lime);
}
.page-faq .tx-breadcrumb > span[aria-hidden] {
  margin: 0 9px;
  color: rgba(143, 164, 155, 0.6);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 16px;
  padding-bottom: 42px;
}
.page-faq .faq-hero__copy {
  max-width: 62ch;
}
.page-faq .faq-hero .tx-eyebrow {
  color: var(--tx-lime);
  letter-spacing: 0.16em;
}
.page-faq .faq-hero .tx-h1 {
  margin: 8px 0 0;
}
.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  color: var(--tx-soft);
}
.page-faq .faq-hero__note {
  margin: 14px 0 0;
  font-family: var(--tx-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--tx-mute);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--tx-line);
  border: 1px solid var(--tx-line);
  border-radius: 2px;
}
.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 15px 18px;
  background: var(--tx-field);
}
.page-faq .faq-stats__item:nth-child(2) {
  background: var(--tx-teal);
}
.page-faq .faq-stats__item:nth-child(3) {
  background: var(--tx-indigo);
}
.page-faq .faq-stats__num {
  font-family: var(--tx-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--tx-lime);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-stats__label {
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--tx-soft);
}

/* 主体布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--tx-line);
}
.page-faq .faq-groups {
  min-width: 0;
}

/* 分组索引 */
.page-faq .faq-index {
  padding: 22px 0 10px;
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--tx-mute);
}
.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-index__item {
  flex: 0 0 auto;
}
.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--tx-line);
  border-radius: 2px;
  background: var(--tx-glass);
  color: var(--tx-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--tx-ease), border-color 0.2s var(--tx-ease);
}
.page-faq .faq-index__code {
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--tx-lime);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--tx-lime);
  color: var(--tx-text);
}
.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--tx-lime);
  outline-offset: 2px;
}

/* 分组区块与背景推移 */
.page-faq .faq-group {
  padding: 26px 16px 30px;
  border-top: 3px solid rgba(234, 243, 238, 0.16);
  background: var(--tx-field);
  scroll-margin-top: calc(var(--tx-bar) + 16px);
}
.page-faq .faq-group:first-child {
  border-top-color: var(--tx-lime);
}
.page-faq .faq-group--teal {
  background: var(--tx-teal);
}
.page-faq .faq-group--lift {
  background: var(--tx-lift);
}
.page-faq .faq-group--indigo {
  background: var(--tx-indigo);
}
.page-faq .faq-group--wine {
  background: var(--tx-wine);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  row-gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--tx-line);
}
.page-faq .faq-group__code {
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--tx-lime);
}
.page-faq .faq-group__title {
  margin: 0;
}
.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--tx-mute);
}

/* 问答条目 */
.page-faq .faq-list {
  margin: 0;
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--tx-line);
  transition: background 0.24s var(--tx-ease);
}
.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--tx-line);
}
.page-faq .faq-item[open] {
  background: rgba(234, 243, 238, 0.05);
}
.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 10px 16px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--tx-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--tx-text);
  transition: color 0.2s var(--tx-ease);
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 16px;
  font-family: var(--tx-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--tx-lime);
}
.page-faq .faq-item[open] > summary::before {
  content: "\2212";
  color: var(--tx-orange);
}
.page-faq .faq-item > summary:hover {
  color: var(--tx-lime);
}
.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--tx-lime);
  outline-offset: -2px;
}
.page-faq .faq-item__a {
  padding: 0 18px 22px 32px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--tx-soft);
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a,
.page-faq .faq-help__text a {
  color: var(--tx-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, 0.4);
  transition: border-color 0.2s var(--tx-ease);
}
.page-faq .faq-item__a a:hover,
.page-faq .faq-help__text a:hover {
  border-bottom-color: var(--tx-lime);
}

/* 步骤清单 */
.page-faq .faq-steps {
  margin: 14px 0 12px;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--tx-line);
}
.page-faq .faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0 9px 14px;
}
.page-faq .faq-steps__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--tx-mono);
  font-size: 13px;
  color: var(--tx-lime);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-steps__text {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.7;
}
.page-faq .faq-check {
  flex: 0 0 auto;
  padding: 5px 10px;
  border: 1px solid var(--tx-line);
  border-radius: 2px;
  background: transparent;
  color: var(--tx-mute);
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--tx-ease), border-color 0.2s var(--tx-ease), background 0.2s var(--tx-ease);
}
.page-faq .faq-check:hover {
  color: var(--tx-text);
  border-color: var(--tx-mute);
}
.page-faq .faq-check:focus-visible {
  outline: 2px solid var(--tx-lime);
  outline-offset: 2px;
}
.page-faq .faq-check[aria-pressed="true"] {
  background: var(--tx-orange);
  border-color: var(--tx-orange);
  color: #14100a;
}

/* 配图 */
.page-faq .faq-figure {
  margin: 22px 0 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  border: 1px solid var(--tx-line);
  border-radius: 2px;
  background: var(--tx-ink);
  object-fit: cover;
}
.page-faq .faq-figure__cap {
  margin-top: 10px;
  max-width: 58ch;
  font-family: var(--tx-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--tx-mute);
}

/* 客服与机构对接 */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 18px;
  background: var(--tx-line);
  border: 1px solid var(--tx-line);
  border-radius: 2px;
}
.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 15px 18px;
  background: rgba(10, 18, 17, 0.55);
}
.page-faq .faq-contact__k {
  font-family: var(--tx-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--tx-mute);
}
.page-faq .faq-contact__v {
  font-family: var(--tx-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--tx-text);
  word-break: break-word;
}
.page-faq .faq-help__text {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--tx-soft);
}

/* 平板及桌面 */
@media (min-width: 700px) {
  .page-faq .faq-group {
    padding: 30px 28px 34px;
  }
  .page-faq .faq-item > summary {
    font-size: 19px;
    padding-right: 20px;
  }
  .page-faq .faq-item__a {
    padding-left: 36px;
    padding-right: 28px;
  }
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: 52px;
    padding-bottom: 56px;
  }
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--tx-bar) + 20px);
    align-self: start;
    padding: 36px 28px 36px 0;
  }
  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }
  .page-faq .faq-index__item {
    display: block;
    margin-bottom: 2px;
  }
  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    gap: 10px;
    padding: 11px 0 11px 12px;
    border: 0;
    border-left: 2px solid rgba(143, 164, 155, 0.28);
    border-radius: 0;
    background: transparent;
    color: var(--tx-mute);
    white-space: normal;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--tx-lime);
    color: var(--tx-text);
  }
  .page-faq .faq-index__link:focus-visible {
    outline-offset: 0;
  }
  .page-faq .faq-group {
    padding: 38px 40px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-check,
  .page-faq .faq-index__link,
  .page-faq .tx-breadcrumb a {
    transition: none;
  }
}