.page-faq {
  --faq-index-w: 252px;
  --faq-hair: rgba(40, 240, 200, 0.15);
  --faq-hair-strong: rgba(40, 240, 200, 0.42);
  color: var(--ho-text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-hair);
  background:
    radial-gradient(circle at 86% 12%, rgba(40, 240, 200, 0.16), transparent 56%),
    radial-gradient(circle at 8% 96%, rgba(255, 90, 42, 0.09), transparent 52%),
    var(--ho-ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ho-grid-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--ho-grid-faint) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(118deg, rgba(0, 0, 0, 0.85), transparent 68%);
  mask-image: linear-gradient(118deg, rgba(0, 0, 0, 0.85), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-faq .faq-hero-copy {
  display: grid;
  gap: 16px;
}

.page-faq .faq-hero-copy h1 {
  margin: 0;
  font-family: var(--ho-font-head);
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero-copy .ho-lede {
  margin: 0;
  max-width: 58ch;
  color: var(--ho-text);
  font-size: 16px;
  line-height: 1.75;
  opacity: 0.92;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero-copy .ho-crumbs {
  font-size: 13px;
  color: var(--ho-muted);
}

.page-faq .faq-hero-copy .ho-crumbs a {
  color: var(--ho-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--ho-radius);
  background: var(--ho-panel);
  overflow: hidden;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-faq .faq-hero-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-hair);
  color: var(--ho-muted);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 40px 0 64px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--faq-hair);
  border-radius: var(--ho-radius);
  background: var(--ho-panel);
  padding: 4px;
}

.page-faq .faq-index-title {
  margin: 0;
  padding: 12px 12px 8px;
  font-family: var(--ho-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ho-cyan);
}

.page-faq .faq-index-list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  white-space: nowrap;
  color: var(--ho-muted);
  font-size: 14px;
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: var(--ho-radius);
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.page-faq .faq-index-link .ho-num {
  color: var(--ho-cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--ho-text);
  background: rgba(40, 240, 200, 0.08);
  border-left-color: var(--ho-cyan);
  outline: none;
}

.page-faq .faq-index-link:focus-visible {
  box-shadow: inset 0 0 0 2px var(--ho-cyan);
}

.page-faq .faq-index-note {
  margin: 8px 0 0;
  padding: 12px;
  border-top: 1px solid var(--faq-hair);
  color: var(--ho-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: 40px;
}

.page-faq .faq-group {
  min-width: 0;
  display: grid;
  gap: 18px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group-num {
  font-size: 13px;
  color: var(--ho-score);
  letter-spacing: 0.12em;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--ho-font-head);
  font-size: clamp(21px, 4vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.005em;
}

.page-faq .faq-group-note {
  grid-column: 2;
  margin: 0;
  color: var(--ho-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-list {
  min-width: 0;
  display: grid;
  gap: 8px;
  align-content: start;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--ho-radius);
  background: var(--ho-panel);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--faq-hair-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-hair-strong);
  background: linear-gradient(180deg, rgba(40, 240, 200, 0.06), rgba(40, 240, 200, 0) 60px), var(--ho-panel);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ho-font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ho-text);
}

.page-faq .faq-q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--ho-font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--ho-cyan);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
  color: var(--ho-score);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--ho-cyan);
  outline-offset: -2px;
  border-radius: var(--ho-radius);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-a {
  padding: 0 16px 16px;
  color: var(--ho-text);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding-left: 12px;
  border-left: 1px solid var(--faq-hair);
}

.page-faq .faq-steps .ho-num {
  color: var(--ho-amber);
  font-size: 13px;
  line-height: 1.9;
}

.page-faq .faq-inline-link {
  display: inline-block;
  margin: 2px 14px 2px 0;
  color: var(--ho-cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid var(--faq-hair-strong);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--ho-cyan-soft);
  border-bottom-color: var(--ho-cyan-soft);
  outline: none;
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 18px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--ho-radius);
  background: var(--ho-panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-hair);
  color: var(--ho-muted);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 结尾联系区 ---------- */
.page-faq .faq-contact-panel {
  border-left: 3px solid var(--ho-score);
  padding-left: 14px;
}

/* ---------- 显现 ---------- */
.page-faq [data-reveal] {
  opacity: 1;
}

.page-faq.ho-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.page-faq.ho-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero-inner {
    padding-top: 56px;
    padding-bottom: 52px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    align-items: start;
  }

  .page-faq .faq-body {
    padding: 56px 0 80px;
  }

  .page-faq .faq-q {
    font-size: 17px;
    padding: 17px 20px;
  }

  .page-faq .faq-a {
    padding: 0 20px 20px;
  }

  .page-faq .faq-contact-panel {
    padding-left: 20px;
  }
}

/* ---------- 桌面：左索引 + 右问答 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index-list {
    display: grid;
    overflow: visible;
    padding: 0 0 4px;
  }

  .page-faq .faq-index-link {
    white-space: normal;
  }

  .page-faq .faq-groups {
    gap: 52px;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal],
  .page-faq.ho-js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-index-link,
  .page-faq .faq-item {
    transition: none;
  }
}