.page-faq {
  --faq-index-w: 290px;
  --faq-gap: 26px;
  --faq-accent-a: var(--cyan);
  --faq-accent-b: var(--teal);
  --faq-topic-pad: 24px;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 48px) 0 52px;
  background: var(--abyss);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -1;
  background:
    linear-gradient(118deg, rgba(14, 124, 134, 0.55) 0%, rgba(14, 124, 134, 0.12) 33%, transparent 33.5%),
    linear-gradient(300deg, rgba(75, 61, 143, 0.52) 0%, rgba(75, 61, 143, 0.08) 29%, transparent 29.5%),
    radial-gradient(120% 90% at 88% 6%, rgba(255, 138, 61, 0.17), transparent 58%),
    linear-gradient(180deg, var(--abyss) 0%, var(--deep) 72%, var(--abyss) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--mist);
  margin-bottom: 22px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(1.85rem, 5.4vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--ink);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(0.96rem, 2.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-quick a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-cyan);
  background: rgba(47, 224, 232, 0.07);
  color: var(--ink);
  font-size: 0.87rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-quick a:nth-child(even) {
  border-color: var(--line-amber);
  background: rgba(255, 138, 61, 0.08);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--cyan);
  background: rgba(47, 224, 232, 0.16);
  transform: translateY(-2px);
}

.page-faq .faq-hero__meta {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ============ 双栏骨架 ============ */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: 40px;
  padding-bottom: 56px;
}

/* ============ 左侧索引 ============ */
.page-faq .faq-index {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background:
    linear-gradient(162deg, rgba(75, 61, 143, 0.62) 0%, rgba(10, 23, 48, 0.94) 62%, rgba(6, 14, 31, 0.98) 100%);
  padding: 22px 20px 20px;
}

.page-faq .faq-index__tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-faq .faq-index__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: 1.06rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-faq .faq-index__note {
  margin: 8px 0 0;
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: var(--radius-s);
  border: 1px solid transparent;
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(47, 224, 232, 0.1);
  border-color: var(--line-cyan);
}

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

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

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--mist);
}

.page-faq .faq-index__cta {
  display: inline-flex;
  margin-top: 18px;
  width: 100%;
  justify-content: center;
}

/* ============ 主题区 ============ */
.page-faq .faq-topics {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-topic {
  position: relative;
  padding: var(--faq-topic-pad);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--glass);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--faq-topic-pad);
  bottom: var(--faq-topic-pad);
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--faq-accent-a), var(--faq-accent-b));
}

.page-faq .faq-topic--cyan { --faq-accent-a: var(--cyan); --faq-accent-b: var(--teal); }
.page-faq .faq-topic--indigo { --faq-accent-a: #8B79DE; --faq-accent-b: var(--indigo); }
.page-faq .faq-topic--amber { --faq-accent-a: var(--amber); --faq-accent-b: var(--amber-soft); }
.page-faq .faq-topic--wine { --faq-accent-a: var(--wine); --faq-accent-b: var(--amber); }
.page-faq .faq-topic--teal { --faq-accent-a: var(--teal); --faq-accent-b: var(--cyan); }

.page-faq .faq-topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-faq .faq-topic__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--faq-accent-a);
}

.page-faq .faq-topic__title {
  margin: 0;
  font-size: 1.14rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-faq .faq-topic__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--mist);
}

.page-faq .faq-topic__sub {
  flex-basis: 100%;
  margin: 4px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-topic .accordion {
  margin-top: 14px;
}

.page-faq .faq-q {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.page-faq .faq-topic .accordion__panel p {
  max-width: 40ch;
}

.page-faq .faq-topic .accordion__panel p + p,
.page-faq .faq-topic .accordion__panel p + .faq-points,
.page-faq .faq-topic .accordion__panel p + .table-wrap {
  margin-top: 12px;
}

/* 答案内的小清单 */
.page-faq .faq-points {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 16px;
  display: grid;
  gap: 9px;
  border-radius: var(--radius-m);
  border: 1px dashed var(--line-cyan);
  background: rgba(6, 14, 31, 0.55);
}

.page-faq .faq-points li {
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .faq-points strong {
  color: var(--cyan);
  font-weight: 600;
  margin-right: 6px;
}

/* 评分刻度尺 */
.page-faq .faq-ruler {
  display: block;
  width: 100%;
  max-width: 580px;
  height: auto;
  margin: 18px 0 4px;
}

.page-faq .faq-ruler__ticks line {
  stroke: var(--silver);
  stroke-width: 1.5;
  opacity: 0.6;
}

.page-faq .faq-ruler__ticks text {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 13px;
  text-anchor: middle;
}

.page-faq .faq-ruler__flag {
  fill: var(--amber);
  font-family: var(--font-mono);
  font-size: 14px;
  text-anchor: middle;
}

.page-faq .faq-scale__cap {
  margin: 14px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 评分配图 */
.page-faq .faq-figure {
  margin-top: 22px;
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 短表格 */
.page-faq .faq-table {
  margin-top: 14px;
}

.page-faq .faq-table .data-table {
  font-size: 0.86rem;
}

.page-faq .faq-table .data-table th {
  color: var(--amber-soft);
  font-weight: 600;
  text-align: left;
}

.page-faq .faq-table .data-table td {
  line-height: 1.7;
}

/* ============ 底部联系 ============ */
.page-faq .faq-contact {
  padding: 0 0 64px;
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: 22px;
  padding: 30px 24px;
  border-radius: var(--radius-l);
  border: 1px solid var(--line-amber);
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(255, 138, 61, 0.18), transparent 62%),
    linear-gradient(150deg, rgba(6, 14, 31, 0.96), rgba(10, 23, 48, 0.9));
}

.page-faq .faq-contact__title {
  margin: 0;
  font-size: clamp(1.2rem, 3.6vw, 1.6rem);
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-faq .faq-contact__text p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-contact__meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mist);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-faq {
    --faq-topic-pad: 28px;
  }

  .page-faq .faq-contact__inner {
    padding: 36px 34px;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-contact__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
    padding-top: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 64px);
    padding-bottom: 66px;
  }

  .page-faq .faq-topic .accordion__panel p {
    max-width: 56ch;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-table {
    overflow: visible;
  }

  .page-faq .faq-table .data-table,
  .page-faq .faq-table .data-table tbody,
  .page-faq .faq-table .data-table tr,
  .page-faq .faq-table .data-table td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-table .data-table thead {
    display: none;
  }

  .page-faq .faq-table .data-table tr {
    margin-bottom: 10px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    background: rgba(6, 14, 31, 0.5);
  }

  .page-faq .faq-table .data-table td {
    border: 0;
    padding: 4px 0;
  }

  .page-faq .faq-table .data-table td::before {
    content: attr(data-th) "：";
    display: inline;
    margin-right: 6px;
    color: var(--mist);
    font-family: var(--font-mono);
    font-size: 0.76rem;
  }

  .page-faq .faq-topic__count {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-faq .faq-contact__actions .btn {
    width: 100%;
    justify-content: center;
  }
}