.page-faq .faq-hero {
  padding-bottom: 2.25rem;
}

.page-faq .faq-hero h1 {
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  max-width: 52ch;
  margin-top: 1.15rem;
  color: var(--yb-muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--yb-line);
}

.page-faq .faq-hero__facts > div {
  min-width: 0;
}

.page-faq .faq-hero__facts dt {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yb-muted);
}

.page-faq .faq-hero__facts dd {
  margin: 0.35rem 0 0;
  font-family: var(--yb-font-mono);
  font-size: 2rem;
  line-height: 1;
  color: var(--yb-gold);
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__facts dd span {
  font-family: var(--yb-font-body);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--yb-muted);
}

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}

.page-faq .faq-body {
  min-width: 0;
}

/* 左侧索引 */
.page-faq .faq-toc {
  min-width: 0;
  padding-top: 1rem;
  border-top: 2px solid var(--yb-red);
}

.page-faq .faq-toc__title {
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yb-muted);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.45rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-toc__list a {
  display: block;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-r-sm);
  color: var(--yb-ink);
  font-size: 0.84rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.25s var(--yb-ease), border-color 0.25s var(--yb-ease), background-color 0.25s var(--yb-ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--yb-cyan);
  border-color: var(--yb-line-cyan);
}

.page-faq .faq-toc__list a[data-active="true"] {
  color: var(--yb-ink);
  border-color: var(--yb-red);
  background-color: rgba(226, 35, 26, 0.14);
}

/* 分组 */
.page-faq .faq-group {
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--yb-line);
}

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

.page-faq .faq-group__head {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 3px;
  background: linear-gradient(180deg, var(--yb-red), var(--yb-red-deep));
}

.page-faq .faq-group__index {
  display: block;
  font-family: var(--yb-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--yb-cyan);
}

.page-faq .faq-group__title {
  margin: 0.35rem 0 0;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--yb-ink);
}

.page-faq .faq-group__note {
  max-width: 44ch;
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--yb-muted);
}

.page-faq .faq-group__lead {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-group__lead .faq-group__head {
  margin-bottom: 0;
}

.page-faq .faq-group__lead + .faq-list {
  margin-top: 1.75rem;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--yb-line);
  background-color: var(--yb-bg-2);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-faq .faq-figure .yb-figure__tag {
  display: inline-block;
  margin: 0.75rem 1rem 0.85rem;
}

/* 问答条目 */
.page-faq .faq-list {
  border-top: 1px solid var(--yb-line);
}

.page-faq .faq-item {
  position: relative;
  padding: 1.35rem 0 1.35rem 2.6rem;
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2px;
  height: 0;
  background: var(--yb-cyan);
  transition: height 0.32s var(--yb-ease);
}

.page-faq .faq-item:hover::before,
.page-faq .faq-item:focus-within::before {
  height: 100%;
}

.page-faq .faq-item__no {
  position: absolute;
  left: 0;
  top: 1.4rem;
  font-family: var(--yb-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--yb-red);
}

.page-faq .faq-item__main {
  min-width: 0;
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--yb-ink);
}

.page-faq .faq-item__a {
  max-width: 40ch;
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--yb-muted);
}

/* 步骤条 */
.page-faq .faq-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border: 1px dashed var(--yb-line-cyan);
  font-size: 0.8rem;
  color: var(--yb-ink);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  font-family: var(--yb-font-mono);
  font-size: 0.72rem;
  color: var(--yb-cyan);
}

/* 会籍对照表 */
.page-faq .faq-matrix {
  margin-bottom: 1.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--yb-line);
  background-color: var(--yb-bg-2);
}

.page-faq .faq-matrix table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-faq .faq-matrix caption {
  padding: 0.9rem 1rem 0.75rem;
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yb-muted);
}

.page-faq .faq-matrix th,
.page-faq .faq-matrix td {
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--yb-line);
  line-height: 1.6;
}

.page-faq .faq-matrix thead th {
  color: var(--yb-ink);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border-top: 0;
  border-bottom: 1px solid var(--yb-line-cyan);
}

.page-faq .faq-matrix tbody th {
  color: var(--yb-ink);
  font-weight: 500;
  white-space: nowrap;
}

.page-faq .faq-matrix td {
  color: var(--yb-muted);
}

.page-faq .faq-yes {
  color: var(--yb-green);
  font-family: var(--yb-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-no {
  color: var(--yb-muted);
  font-size: 0.82rem;
}

.page-faq .faq-matrix tbody tr:hover td,
.page-faq .faq-matrix tbody tr:hover th {
  background-color: rgba(36, 224, 200, 0.05);
}

/* 联系渠道 */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-channels__item {
  position: relative;
  padding: 1.1rem 1.15rem 1.15rem;
  border: 1px solid var(--yb-line);
  border-left: 3px solid var(--yb-red);
  background-color: var(--yb-bg-2);
  transition: transform 0.3s var(--yb-ease), box-shadow 0.3s var(--yb-ease);
}

.page-faq .faq-channels__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px -18px rgba(140, 20, 16, 0.9);
}

.page-faq .faq-channels__k {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yb-muted);
}

.page-faq .faq-channels__v {
  margin: 0.5rem 0 0;
  font-family: var(--yb-font-mono);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--yb-gold);
  word-break: break-word;
}

.page-faq .faq-channels__d {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--yb-muted);
}

.page-faq .faq-contact-note {
  max-width: 42ch;
  margin: 0 0 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--yb-line);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--yb-muted);
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero__facts dd {
    font-size: 2.4rem;
  }

  .page-faq .faq-group__title {
    font-size: 1.75rem;
  }

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

  .page-faq .faq-item {
    padding-left: 3.25rem;
  }
}

/* 桌面：左栏粘性索引 + 右侧问答 */
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 3.5rem;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--yb-header-h) + 1.5rem);
    align-self: start;
    max-height: calc(100vh - var(--yb-header-h) - 3rem);
    overflow-y: auto;
  }

  .page-faq .faq-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__list li + li {
    margin-top: 0.1rem;
  }

  .page-faq .faq-toc__list a {
    padding: 0.5rem 0 0.5rem 0.9rem;
    border: 0;
    border-left: 2px solid var(--yb-line);
    border-radius: 0;
    background: none;
    font-size: 0.86rem;
  }

  .page-faq .faq-toc__list a[data-active="true"] {
    border-left-color: var(--yb-cyan);
    color: var(--yb-cyan);
    background: linear-gradient(90deg, rgba(36, 224, 200, 0.14), transparent);
  }

  .page-faq .faq-group--split .faq-group__lead {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__facts dd {
    font-size: 2.75rem;
  }

  .page-faq .faq-group__title {
    font-size: 2rem;
  }

  .page-faq .faq-item__q {
    font-size: 1.1rem;
  }

  .page-faq .faq-item__a {
    font-size: 0.95rem;
  }

  .page-faq .faq-group--split .faq-group__lead {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-channels__item {
    transition: none;
  }
}