.page-faq {
  --faq-cut: 18px;
  --faq-soft: rgba(20, 58, 46, 0.45);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-faq .wrap {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: clamp(1rem, 3vw, 1.75rem);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-faq .crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-faq .crumbs [aria-current="page"] {
  color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 4.5vw, 3rem);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--amber) 55%, transparent 100%);
  opacity: 0.6;
}

.page-faq .faq-kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--signal);
  margin: 0 0 0.9rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.2vw, 3.25rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 1rem;
  max-width: 22ch;
}

.page-faq .faq-lede {
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0 0 1.35rem;
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 索引 + 主体 网格 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  padding-top: clamp(1.75rem, 4.5vw, 3rem);
}

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

.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.55rem 0.75rem 0.55rem 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--signal);
  border-left-color: var(--signal);
  background: var(--stand);
}

.page-faq .faq-index-list .num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--signal-dim);
}

.page-faq .faq-index-figure {
  margin: 0;
}

/* ---------- 内容主体 ---------- */
.page-faq .faq-body {
  min-width: 0;
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-section {
  scroll-margin-top: 6.5rem;
}

.page-faq .faq-intro {
  max-width: 62ch;
  margin: 0.85rem 0 1.5rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-section:target .section-title {
  color: var(--signal);
}

/* ---------- 三步引导 ---------- */
.page-faq .step-track {
  list-style: none;
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem 1.15rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.page-faq .step:first-child {
  border-top: 1px solid var(--rule);
}

.page-faq .step-no {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
  opacity: 0.85;
  border-right: 2px solid var(--signal-dim);
  padding-right: 0.65rem;
}

.page-faq .step-body h3 {
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.page-faq .step-body p {
  max-width: 58ch;
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.97rem;
  line-height: 1.8;
}

.page-faq .step-body .btn {
  margin-top: 0.15rem;
}

/* ---------- 入口对照表 ---------- */
.page-faq .entry-wrap {
  border: 1px solid var(--rule);
  background: var(--field);
  overflow: hidden;
}

.page-faq .entry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.page-faq .entry-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-faq .entry-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  background: var(--stand);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--rule);
}

.page-faq .entry-table tbody td {
  padding: 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  line-height: 1.7;
  vertical-align: top;
}

.page-faq .entry-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .entry-table tbody tr:nth-child(even) {
  background: var(--faq-soft);
}

.page-faq .entry-table tbody td:first-child {
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .entry-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--signal-dim);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .entry-link:hover,
.page-faq .entry-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 两步路径 ---------- */
.page-faq .route-card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.page-faq .route-origin {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin: 0 0 1rem;
}

.page-faq .route-steps {
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-faq .route-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.page-faq .route-steps li p {
  margin: 0.22rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .route-steps .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .route-card:hover .route-steps li:nth-child(1) .num {
  transition-delay: 0s;
  color: var(--night);
  background: var(--signal);
  border-color: var(--signal);
}

.page-faq .route-card:hover .route-steps li:nth-child(2) .num {
  transition-delay: 0.14s;
  color: var(--night);
  background: var(--signal);
  border-color: var(--signal);
}

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

/* ---------- 常见问题 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-group-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.page-faq .qa {
  background: var(--field);
  border-left: 2px solid var(--rule);
  margin: 0 0 0.55rem;
  scroll-margin-top: 6.5rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa[open] {
  border-left-color: var(--signal);
  background: var(--stand);
}

.page-faq .qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq .qa summary::marker {
  content: "";
}

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

.page-faq .qa-mark {
  flex: 0 0 auto;
  position: relative;
  width: 1.05rem;
  height: 1.05rem;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--signal);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-faq .qa-mark::before {
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
}

.page-faq .qa-mark::after {
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
}

.page-faq .qa[open] .qa-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-a {
  padding: 0 1.1rem 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-faq .qa-a p {
  max-width: 62ch;
  margin: 0 0 0.75rem;
}

.page-faq .qa-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .qa-copy:hover,
.page-faq .qa-copy:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

.page-faq .qa-copy[data-copied] {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 求助面板 ---------- */
.page-faq .help-panel {
  padding: clamp(1.5rem, 4vw, 2.35rem);
}

.page-faq .help-intro {
  max-width: 60ch;
  margin: 0 0 1.25rem;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .help-list {
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .help-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.75;
}

.page-faq .help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.46rem;
  height: 0.46rem;
  background: var(--signal);
  transform: rotate(45deg);
}

.page-faq .help-list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .help-contact {
  max-width: 62ch;
  margin: 0 0 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq .help-mail {
  font-family: var(--font-mono);
  color: var(--signal);
  word-break: break-all;
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */
@media (max-width: 61.99rem) {
  .page-faq .faq-index-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.4rem;
    margin-bottom: 1.25rem;
    scrollbar-width: thin;
  }

  .page-faq .faq-index-list a {
    border-left: 0;
    border: 1px solid var(--rule);
    padding: 0.5rem 0.8rem;
    white-space: nowrap;
  }

  .page-faq .faq-index-list a:hover,
  .page-faq .faq-index-list a:focus-visible {
    border-color: var(--signal);
  }

  .page-faq .faq-index-figure {
    max-width: 22rem;
  }
}

@media (min-width: 62rem) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(14rem, 3fr) minmax(0, 9fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-faq .faq-index {
    align-self: start;
    position: sticky;
    top: 5.5rem;
  }
}

@media (max-width: 47.99rem) {
  .page-faq .entry-table,
  .page-faq .entry-table tbody,
  .page-faq .entry-table tr,
  .page-faq .entry-table td {
    display: block;
    width: 100%;
  }

  .page-faq .entry-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-faq .entry-table tbody tr {
    border-bottom: 1px solid var(--rule);
    padding: 0.3rem 0;
  }

  .page-faq .entry-table tbody tr:last-child {
    border-bottom: 0;
  }

  .page-faq .entry-table tbody tr:nth-child(even) {
    background: transparent;
  }

  .page-faq .entry-table tbody td {
    border-bottom: 0;
    padding: 0.3rem 1rem;
  }

  .page-faq .entry-table tbody td:first-child {
    padding-top: 0.9rem;
    white-space: normal;
  }

  .page-faq .entry-table tbody td:last-child {
    padding-bottom: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .page-faq .route-card:hover .route-steps .num {
    transition-delay: 0s !important;
  }
}