.page-faq {
  --faq-radius: 4px;
  --faq-gap: 32px;
  position: relative;
  padding-bottom: 24px;
  color: var(--text);
  background: var(--ink);
}

.page-faq::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 460px;
  background: radial-gradient(70% 100% at 14% 0%, rgba(164, 92, 255, 0.16), transparent 64%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: 22px;
  font-size: 13px;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted-dim);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--ice);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--body-text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 34px 0 30px;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ice);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .eyebrow::before {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ice);
}

.page-faq .page-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8.4vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 工具条 ---------- */
.page-faq .faq-console {
  padding-bottom: 76px;
}

.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-dim);
}

.page-faq [hidden] {
  display: none !important;
}

/* ---------- 主体网格 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 34px;
}

.page-faq .faq-aside {
  align-self: start;
}

.page-faq .side-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-dim);
  padding-left: 14px;
}

.page-faq .side-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 14px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .side-link-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
  transition: color 160ms var(--ease);
}

.page-faq .side-link:hover,
.page-faq .side-link:focus-visible {
  color: var(--text);
  border-left-color: var(--violet);
  background: var(--raise);
}

.page-faq .side-link:hover .side-link-index,
.page-faq .side-link:focus-visible .side-link-index {
  color: var(--ice);
}

.page-faq .side-link[aria-current="true"] {
  color: var(--text);
  border-left-color: var(--violet);
  background: linear-gradient(90deg, rgba(164, 92, 255, 0.16), transparent 85%);
}

.page-faq .side-link[aria-current="true"] .side-link-index {
  color: var(--violet-lift);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 118px;
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  margin-bottom: 22px;
}

.page-faq .faq-group-index {
  margin: 0;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .faq-group-desc {
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .figure-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(164, 92, 255, 0.08), rgba(79, 215, 255, 0.06)),
    var(--panel);
}

.page-faq .figure-media--wide {
  aspect-ratio: 3 / 2;
}

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

.page-faq .figure-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-dim);
}

/* ---------- 步骤 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-card);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-faq .step:hover {
  border-color: rgba(164, 92, 255, 0.55);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  padding-top: 3px;
  color: var(--ice);
}

.page-faq .step-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-faq .step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 报错对照 ---------- */
.page-faq .err-table {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .err-head {
  display: none;
}

.page-faq .err-row {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 160ms var(--ease);
}

.page-faq .err-row:last-child {
  border-bottom: 0;
}

.page-faq .err-row:hover {
  background: var(--raise);
}

.page-faq .err-msg {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--coral);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--coral);
  overflow-wrap: anywhere;
}

.page-faq .err-act {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

/* ---------- 折叠卡片 ---------- */
.page-faq .faq-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

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

.page-faq .faq-card:hover {
  border-color: rgba(164, 92, 255, 0.5);
}

.page-faq .faq-card[open] {
  border-color: rgba(164, 92, 255, 0.62);
  box-shadow: var(--shadow-card-hover);
}

.page-faq .faq-card-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

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

.page-faq .faq-card-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--violet);
  transition: color 160ms var(--ease);
}

.page-faq .faq-card[open] .faq-card-summary::after {
  content: "–";
  color: var(--ice);
}

.page-faq .faq-card-summary:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
}

.page-faq .faq-card-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
  flex: 0 0 auto;
}

.page-faq .faq-card-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-card-body {
  padding: 0 20px 20px;
  margin-top: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

.page-faq .faq-card-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
}

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

.page-faq .faq-card-foot {
  margin-top: 16px;
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-card[open] .faq-card-body {
    animation: faq-reveal 200ms var(--ease);
  }
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 状态标签说明 ---------- */
.page-faq .status-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .status-card {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-card);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .status-card:hover {
  transform: translateY(-2px);
}

.page-faq .status-card--accepted {
  border-top-color: var(--ice);
}

.page-faq .status-card--progress {
  border-top-color: var(--violet);
}

.page-faq .status-card--pending {
  border-top-color: var(--coral);
}

.page-faq .status-card--fixed {
  border-top-color: var(--teal);
}

.page-faq .status-title {
  margin: 14px 0 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-faq .status-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 升级反馈 ---------- */
.page-faq .faq-escalate {
  padding: 22px 20px;
  border: 1px solid rgba(255, 122, 74, 0.32);
  border-radius: var(--faq-radius);
  background:
    linear-gradient(135deg, rgba(255, 122, 74, 0.1), rgba(164, 92, 255, 0.1)),
    var(--panel);
}

.page-faq .escalate-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .escalate-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-faq .escalate-key {
  flex: 0 0 auto;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-faq .escalate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .escalate-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .status-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-faq .err-head {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 24px;
    padding: 12px 20px;
    background: var(--raise);
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--muted-dim);
  }

  .page-faq .err-row {
    grid-template-columns: 1fr 1.35fr;
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 50px 0 38px;
  }

  .page-faq .faq-console {
    padding-bottom: 96px;
  }

  .page-faq .faq-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    padding-top: 42px;
  }

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

  .page-faq .faq-group {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }

  .page-faq .faq-group-desc {
    font-size: 16px;
  }

  .page-faq .faq-escalate {
    padding: 28px 28px;
  }

  .page-faq .escalate-list {
    grid-template-columns: 1fr 1fr;
    gap: 12px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .faq-card,
  .page-faq .status-card,
  .page-faq .faq-card-summary::after,
  .page-faq .side-link {
    transition: none;
  }

  .page-faq .step:hover,
  .page-faq .status-card:hover {
    transform: none;
  }
}