.page-faq {
  --faq-line-grid: rgba(216, 210, 200, 0.4);
  overflow-x: clip;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.7;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq a {
  color: var(--c-deep-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq__container {
  width: min(100% - 2rem, var(--w-container));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

/* ===== Hero ===== */

.page-faq__hero {
  position: relative;
  background: var(--c-deep);
  color: #fff;
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(229, 193, 90, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(229, 193, 90, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  right: -6rem;
  top: -4rem;
  width: 24rem;
  height: 24rem;
  background: linear-gradient(135deg, transparent 45%, rgba(229, 193, 90, 0.14) 46%);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq__hero .page-faq__container {
  position: relative;
  z-index: 1;
}

.page-faq__hero-ribbon {
  height: 0.25rem;
  background: linear-gradient(90deg, var(--c-gold-deep), var(--c-gold) 40%, transparent 75%);
}

.page-faq__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 2.25rem;
}

.page-faq__breadcrumb a {
  color: var(--c-gold);
  text-decoration: none;
}

.page-faq__breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq__crumb-sep {
  color: rgba(255, 255, 255, 0.35);
}

.page-faq__hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-faq__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-faq__eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--c-gold);
}

.page-faq__hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5.4vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 14em;
  margin: 0 0 1rem;
}

.page-faq__hero-lead {
  margin: 0 0 1.5rem;
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42em;
}

.page-faq__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq__hero-meta li {
  position: relative;
  padding-left: 1.125rem;
}

.page-faq__hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--c-gold);
}

.page-faq__hero-figure {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid rgba(229, 193, 90, 0.3);
  background: var(--c-deep-2);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.page-faq__hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 推荐阅读 ===== */

.page-faq__quick {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-line);
}

.page-faq__section-head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.75rem;
}

.page-faq__section-label {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold-deep);
}

.page-faq__section-label--reverse {
  color: var(--c-gold);
}

.page-faq__section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  line-height: 1.15;
}

.page-faq__quick-grid {
  display: grid;
  gap: 1rem;
}

.page-faq__quick-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.25rem 1rem;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold-deep);
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s;
}

.page-faq__quick-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-gold-deep);
}

.page-faq__quick-num {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.page-faq__quick-title {
  grid-column: 2;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.page-faq__quick-text {
  grid-column: 2;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-faq__quick-arrow {
  grid-row: 1 / 3;
  grid-column: 3;
  align-self: center;
  font-size: 1.5rem;
  color: var(--c-gold-deep);
  transition: transform 0.2s var(--ease);
}

.page-faq__quick-card:hover .page-faq__quick-arrow {
  transform: translateX(4px);
}

/* ===== 主体双栏 ===== */

.page-faq__body {
  background-color: var(--c-paper);
  background-image:
    linear-gradient(var(--faq-line-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-line-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

.page-faq__body .page-faq__container {
  display: grid;
  gap: 2rem;
}

/* ===== TOC ===== */

.page-faq__toc {
  position: relative;
  min-width: 0;
}

.page-faq__toc-inner {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.75rem;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 0.5rem;
}

.page-faq__toc-kicker {
  display: none;
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq__toc-list {
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-faq__toc-item a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--c-ink);
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s;
}

.page-faq__toc-item a:hover {
  background: var(--c-paper);
  border-color: var(--c-line);
  color: var(--c-deep);
}

.page-faq__toc-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-gold-deep);
}

.page-faq__toc-note {
  display: none;
}

/* ===== 问答区 ===== */

.page-faq__answer {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  min-width: 0;
}

.page-faq__chapter {
  position: relative;
  padding-left: 1rem;
  border-left: 3px solid var(--c-gold-deep);
  scroll-margin-top: 1.5rem;
}

.page-faq__chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-faq__chapter-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  margin-top: 0.2rem;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  background: var(--c-card);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-gold-deep);
}

.page-faq__chapter-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.15;
}

.page-faq__chapter-desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-faq__status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-card);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--c-deep-2);
}

.page-faq__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(229, 193, 90, 0.2);
}

.page-faq__process {
  margin-bottom: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: 0.5rem;
  background: var(--c-card);
}

.page-faq__process img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq__item {
  position: relative;
  margin: 0 0 0.75rem;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold);
  border-radius: 0.375rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.page-faq__item[open] {
  border-left-color: var(--c-gold-deep);
  box-shadow: var(--shadow-card);
}

.page-faq__item summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 1rem 1.125rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--c-ink);
  transition: background 0.2s;
}

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

.page-faq__item summary:hover {
  background: var(--c-paper);
}

.page-faq__item-index {
  flex-shrink: 0;
  padding: 0.15rem 0.375rem;
  border: 1px solid var(--c-line);
  border-radius: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-gold-deep);
}

.page-faq__item-q {
  flex: 1;
}

.page-faq__item-icon {
  position: relative;
  flex-shrink: 0;
  width: 0.75rem;
  height: 0.75rem;
  transition: transform 0.25s var(--ease);
}

.page-faq__item-icon::before,
.page-faq__item-icon::after {
  content: "";
  position: absolute;
  background: var(--c-gold-deep);
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

.page-faq__item-icon::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq__item-icon::after {
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq__item[open] .page-faq__item-icon::after {
  opacity: 0;
  transform: translateX(-50%) rotate(90deg);
}

.page-faq__item-a {
  margin: 0 1.125rem 1.125rem;
  padding: 1rem 0 0.25rem;
  border-top: 1px dashed var(--c-line);
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-faq__item-a p {
  margin: 0;
}

/* ===== 指南卡与联系 ===== */

.page-faq__guide-card {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.25rem 1rem;
  align-items: center;
  margin-bottom: 1.75rem;
  padding: 1.5rem;
  border-radius: 0.5rem;
  background: var(--c-deep);
  color: #fff;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq__guide-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(11, 31, 58, 0.22);
}

.page-faq__guide-tag {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

.page-faq__guide-title {
  grid-column: 1;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
}

.page-faq__guide-text {
  grid-row: 2;
  grid-column: 1 / 3;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.72);
}

.page-faq__guide-arrow {
  grid-row: 1 / 3;
  grid-column: 2;
  font-size: 1.75rem;
  color: var(--c-gold);
}

.page-faq__contact {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq__contact-item {
  position: relative;
  padding: 1.25rem;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 0.5rem;
}

.page-faq__contact-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  bottom: 1.25rem;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--c-gold-deep);
}

.page-faq__contact-label {
  display: block;
  margin-bottom: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--c-gold-deep);
}

.page-faq__contact-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-ink);
  word-break: break-all;
}

.page-faq__contact-note {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.page-faq__note {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--c-gold);
  background: var(--c-card);
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-faq__note p {
  margin: 0;
}

.page-faq__note a {
  color: var(--c-deep-2);
  font-weight: 600;
  text-decoration-color: var(--c-gold-deep);
}

/* ===== 底部求助带 ===== */

.page-faq__helpbar {
  position: relative;
  overflow: hidden;
  background: var(--c-deep);
  color: #fff;
}

.page-faq__helpbar::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold-deep), var(--c-gold) 40%, transparent 75%);
}

.page-faq__helpbar-inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-faq__helpbar-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.page-faq__helpbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-faq__helpbar-actions span {
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(229, 193, 90, 0.45);
  border-radius: 0.25rem;
  color: var(--c-gold);
}

/* ===== 响应式 ===== */

@media (min-width: 640px) {
  .page-faq__hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }

  .page-faq__quick-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq__chapter {
    padding-left: 1.5rem;
  }

  .page-faq__contact {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1025px) {
  .page-faq__container {
    width: min(100% - 4rem, var(--w-container));
  }

  .page-faq__hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }

  .page-faq__body .page-faq__container {
    grid-template-columns: 15rem 1fr;
    gap: 4rem;
    align-items: start;
  }

  .page-faq__toc {
    position: sticky;
    top: 2rem;
  }

  .page-faq__toc-inner {
    overflow: visible;
    padding: 1.25rem;
  }

  .page-faq__toc-kicker {
    display: block;
  }

  .page-faq__toc-list {
    flex-direction: column;
    min-width: 0;
    gap: 0;
  }

  .page-faq__toc-item {
    border-bottom: 1px solid var(--c-line);
  }

  .page-faq__toc-item:last-child {
    border-bottom: 0;
  }

  .page-faq__toc-item a {
    padding: 0.8rem 0.5rem;
    border: 0;
    border-radius: 0;
    white-space: normal;
  }

  .page-faq__toc-note {
    display: block;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--c-line);
    font-size: 0.8125rem;
    color: var(--c-muted);
  }

  .page-faq__toc-note p {
    margin: 0;
  }

  .page-faq__helpbar-inner {
    grid-template-columns: 1fr auto;
    gap: 3rem;
  }
}