/* ===================== 常见问答页 ===================== */
.page-faq {
  padding-top: var(--header-offset);
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: 22px 0 0;
  font-size: 0.84rem;
  color: var(--c-ink-faint);
}

.page-faq .breadcrumb a {
  color: var(--c-snow);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--c-snow-deep);
  text-decoration: underline;
}

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--c-ink-faint);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  max-width: 820px;
  padding: 26px 0 40px;
}

.page-faq .faq-hero .axis-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--c-snow);
  background: var(--c-snow-soft);
  border-radius: 999px;
  padding: 4px 12px;
  margin: 0 0 16px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3.6vw, 2.55rem);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--c-ink);
}

.page-faq .faq-hero__lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--c-ink-soft);
  margin: 0;
  max-width: 66ch;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  list-style: none;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--c-line-soft);
  font-size: 0.84rem;
  color: var(--c-ink-soft);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__meta .mono {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-snow);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cats-section {
  padding: 0 0 8px;
}

.page-faq .faq-subhead {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--c-ink);
}

.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-cat {
  position: relative;
  display: block;
  padding: 20px 22px 20px 26px;
  background: var(--c-white);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: var(--c-ink);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--cat-color, var(--c-snow));
}

.page-faq .faq-cat--snow { --cat-color: var(--c-snow); }
.page-faq .faq-cat--gold { --cat-color: var(--c-gold); }
.page-faq .faq-cat--grape { --cat-color: var(--c-grape); }

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--cat-color, var(--c-snow));
  box-shadow: var(--shadow-2);
  background: var(--c-white);
}

.page-faq .faq-cat__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--cat-color, var(--c-snow));
  margin-bottom: 8px;
}

.page-faq .faq-cat__name {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 6px;
}

.page-faq .faq-cat__desc {
  display: block;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* ---------- 问答工作区 ---------- */
.page-faq .faq-workspace-section {
  padding: 48px 0 0;
}

.page-faq .faq-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

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

.page-faq .faq-group {
  font-family: var(--font-heading);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 32px 0 4px;
  padding-left: 12px;
  border-left: 3px solid var(--c-gold);
  color: var(--c-ink);
  scroll-margin-top: calc(var(--header-offset) + 24px);
}

.page-faq .faq-group:first-of-type {
  margin-top: 20px;
}

/* 折叠问答 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 42px 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--c-ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--c-snow);
  border-bottom: 2px solid var(--c-snow);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-item summary:hover {
  color: var(--c-snow-deep);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-snow);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-faq .faq-item[open] summary {
  color: var(--c-snow-deep);
}

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--c-grape);
  padding-top: 4px;
}

.page-faq .faq-item__body {
  padding: 0 0 22px 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-faq .faq-item[open] .faq-item__body {
  margin-left: 6px;
  padding-left: 20px;
  border-left: 1px solid var(--c-snow);
}

.page-faq .faq-item__body p {
  margin: 0 0 0.85em;
}

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

.page-faq .faq-substeps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-substeps li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-faq .faq-substeps span {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-snow);
  padding-top: 4px;
}

/* ---------- 右侧栏 ---------- */
.page-faq .faq-aside {
  display: grid;
  align-content: start;
  gap: 22px;
  min-width: 0;
}

.page-faq .faq-photo,
.page-faq .faq-figure {
  margin: 0;
  background: var(--c-white);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-faq .faq-photo img,
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--c-snow-soft);
}

.page-faq .faq-photo figcaption,
.page-faq .faq-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--c-ink-faint);
  padding: 10px 14px 12px;
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .faq-steps {
  background: var(--c-white);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 22px 22px 18px;
}

.page-faq .faq-steps__title {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--c-ink);
}

.page-faq .faq-steps__lead {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
  margin: 0 0 18px;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 22px 44px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--c-snow-soft);
  border: 1px solid rgba(20, 112, 126, 0.26);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-snow-deep);
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--c-line);
}

.page-faq .faq-step__title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-ink);
  margin-bottom: 2px;
}

.page-faq .faq-step__text {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--c-ink-soft);
  margin: 0;
}

/* ---------- 仍需人工 ---------- */
.page-faq .faq-help {
  margin-top: 60px;
  padding: 52px 0 60px;
  background: var(--c-gold-mist);
  border-top: 1px solid rgba(224, 162, 43, 0.28);
}

.page-faq .faq-help__title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 12px;
  color: var(--c-ink);
}

.page-faq .faq-help__lead {
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--c-ink-soft);
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 26px;
}

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

.page-faq .faq-help__list li {
  position: relative;
  padding: 13px 18px 13px 42px;
  background: var(--c-white);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius-s);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 21px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-adil-red);
}

.page-faq .faq-help__cta {
  display: grid;
  align-content: start;
  gap: 14px;
}

.page-faq .faq-help__note {
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--c-ink-soft);
  margin: 0;
}

.page-faq .faq-help__foot {
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--c-ink-soft);
  margin: 0;
}

.page-faq .faq-help__foot a {
  color: var(--c-snow-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__foot a:hover {
  color: var(--c-grape);
}

/* ---------- 焦点反馈 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--c-snow);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero {
    padding: 34px 0 48px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-workspace {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-workspace-section {
    padding-top: 56px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    font-size: 2.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}