.page-faq {
  --faq-line: rgba(147, 164, 189, 0.18);
  --faq-line-soft: rgba(147, 164, 189, 0.10);
  --faq-surface: rgba(27, 42, 63, 0.34);
  --faq-hero: linear-gradient(158deg, rgba(18, 58, 74, 0.62) 0%, rgba(14, 23, 40, 0.94) 58%, rgba(7, 11, 18, 0.98) 100%);
  display: block;
  padding-bottom: 4rem;
  color: var(--paper);
}

.page-faq .breadcrumb {
  padding: 1.25rem 0 0;
}

/* 首屏 */
.page-faq .guide-hero {
  position: relative;
  margin: 1.25rem 0 2.5rem;
  padding: 1.75rem 1.25rem 1.9rem;
  border: 1px solid var(--edge);
  border-radius: 18px;
  background: var(--faq-hero);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-faq .guide-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -190px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(56, 242, 224, 0.20), transparent 66%);
  pointer-events: none;
}

.page-faq .guide-hero .eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 0.85rem;
}

.page-faq .guide-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.25rem + 2.2vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .guide-hero__lede {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 52ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-faq .guide-hero__jump {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

/* 布局 */
.page-faq .guide-layout {
  display: grid;
  gap: 2rem;
}

.page-faq .toc {
  border-top: 1px solid var(--faq-line);
  padding-top: 1rem;
}

.page-faq .toc__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .toc__list {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0 0.55rem 0.75rem;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

.page-faq .toc__link:hover {
  color: var(--paper);
  background: rgba(56, 242, 224, 0.05);
}

.page-faq .toc__link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-faq .toc__link[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(56, 242, 224, 0.06);
}

.page-faq .toc__num {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  opacity: 0.85;
}

/* 章节 */
.page-faq .guide-block {
  scroll-margin-top: 6.5rem;
  margin-bottom: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--faq-line);
}

.page-faq .guide-block__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.page-faq .guide-block__num {
  flex: none;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .guide-block__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.05rem + 1vw, 1.85rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.005em;
}

.page-faq .guide-block__intro {
  margin: 0 0 1.35rem;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-faq .guide-block__more {
  margin: 1.3rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq a:not(.btn) {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq a:not(.btn):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

/* 步骤 */
.page-faq .steps {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.35rem 0.85rem;
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: var(--faq-surface);
  transition: transform 160ms ease, border-color 160ms ease;
}

.page-faq .steps__item:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 242, 224, 0.36);
}

.page-faq .steps__num {
  grid-row: span 2;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--cyan);
  border-right: 1px solid var(--faq-line-soft);
}

.page-faq .steps__item h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 700;
}

.page-faq .steps__item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* 图片 */
.page-faq .guide-figure {
  margin: 0 0 1.4rem;
}

.page-faq .guide-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: var(--ink-800);
  object-fit: cover;
}

.page-faq .guide-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* 检索控制台示意 */
.page-faq .console {
  margin: 0 0 1.4rem;
  padding: 0.9rem;
  border: 1px solid var(--edge);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(18, 58, 74, 0.55), rgba(7, 11, 18, 0.92));
  box-shadow: var(--shadow-card);
}

.page-faq .console__bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  background: rgba(7, 11, 18, 0.7);
}

.page-faq .console__prompt {
  font-family: var(--font-data);
  font-size: 0.9rem;
  color: var(--orange);
}

.page-faq .console__query {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-data);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .console__hint {
  flex: none;
  font-size: 0.72rem;
  color: var(--cyan);
}

.page-faq .console__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0;
  padding: 0;
  list-style: none;
}

.page-faq .console .tag {
  font-size: 0.72rem;
}

.page-faq .console__results {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .console__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.9rem;
  padding-top: 0.45rem;
  border-top: 1px dashed var(--faq-line);
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--muted);
}

/* 要点列表 */
.page-faq .tips {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .tips__item {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-faq .tips__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.75;
}

.page-faq .tips__item strong {
  color: var(--paper);
  font-weight: 700;
}

/* 同步 */
.page-faq .sync-grid {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.3rem;
}

.page-faq .sync-card {
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: var(--faq-surface);
}

.page-faq .sync-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.98rem;
  font-weight: 700;
}

.page-faq .sync-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-faq .status-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .status-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--faq-line-soft);
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper-soft);
  background: rgba(7, 11, 18, 0.45);
}

/* 集锦标签卡 */
.page-faq .label-cards {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}

.page-faq .label-card {
  padding: 1rem 1.05rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--orange);
  border-radius: 12px;
  background: rgba(27, 42, 63, 0.26);
}

.page-faq .label-card__tag {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .label-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* 阶段卡 */
.page-faq .stage-cards {
  display: grid;
  gap: 0.8rem;
}

.page-faq .stage-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  background: linear-gradient(170deg, rgba(18, 58, 74, 0.35), rgba(7, 11, 18, 0.7));
}

.page-faq .stage-card__value {
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-faq .stage-card__label {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .stage-card p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 字段列表 */
.page-faq .field-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .field-list__item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  align-items: baseline;
  padding: 0.6rem 0.8rem;
  border-left: 1px solid var(--faq-line);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper-soft);
}

.page-faq .field-list__key {
  min-width: 6.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* 问答 */
.page-faq .faq-list {
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  background: rgba(27, 42, 63, 0.26);
  overflow: hidden;
  transition: border-color 160ms ease, background 160ms ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(56, 242, 224, 0.34);
  background: rgba(27, 42, 63, 0.42);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-data);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--cyan);
  transition: transform 160ms ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  border-radius: 12px;
}

.page-faq .faq-item__body {
  padding: 0 1rem 1rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 收尾 */
.page-faq .closing {
  margin-top: 0.5rem;
  padding: 1.5rem 1.25rem 1.6rem;
  border: 1px solid var(--edge);
  border-radius: 16px;
  background: linear-gradient(150deg, rgba(18, 58, 74, 0.5), rgba(7, 11, 18, 0.92) 70%);
  box-shadow: var(--shadow-card);
}

.page-faq .closing h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.55rem);
  font-weight: 800;
  line-height: 1.3;
}

.page-faq .closing p {
  margin: 0 0 1.2rem;
  max-width: 52ch;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--paper-soft);
}

.page-faq .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .guide-hero {
    padding: 2.25rem 2rem 2.35rem;
  }

  .page-faq .sync-grid,
  .page-faq .label-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .label-cards .label-card:first-child {
    grid-column: span 2;
  }

  .page-faq .stage-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .closing {
    padding: 2rem 1.75rem 2.1rem;
  }
}

@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 5.5rem;
  }

  .page-faq .guide-layout {
    grid-template-columns: 222px minmax(0, 1fr);
    gap: 3.5rem;
  }

  .page-faq .toc {
    position: sticky;
    top: 7rem;
    align-self: start;
    max-height: calc(100vh - 9rem);
    overflow-y: auto;
  }

  .page-faq .guide-hero {
    padding: 2.75rem 2.5rem 2.85rem;
    margin-bottom: 3rem;
  }

  .page-faq .sync-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .label-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .label-cards .label-card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .steps__item,
  .page-faq .faq-item,
  .page-faq .toc__link,
  .page-faq .faq-item summary::after {
    transition: none;
  }

  .page-faq .steps__item:hover {
    transform: none;
  }
}