.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .faq-top {
  padding-block: clamp(16px, 3vw, 32px) 0;
  padding-inline: var(--gutter);
}

.page-faq .faq-top:last-of-type {
  padding-bottom: clamp(32px, 6vw, 72px);
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: clamp(12px, 2vw, 20px);
}

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

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumb__sep {
  margin-inline: 8px;
  color: var(--sage);
}

/* 首屏框景 */
.page-faq .faq-hero {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
  padding: clamp(22px, 4vw, 52px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, rgba(31, 31, 27, 0.34) 0 1px, transparent 1px 26px);
  background-size: auto 9px;
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 88px;
  height: 88px;
  background: linear-gradient(225deg, var(--orange) 0 30%, var(--red) 30% 62%, transparent 62%);
  opacity: 0.16;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 14px;
}

.page-faq h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 22ch;
}

.page-faq .lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  max-width: 36em;
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .faq-hero__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__links a {
  display: inline-block;
  font-size: 14px;
  line-height: 1;
  padding: 11px 16px;
  border: 1px solid var(--edge);
  background: var(--cream);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-faq .faq-hero__links li:first-child a {
  background: var(--red);
  border-color: var(--red);
  color: var(--cream);
}

.page-faq .faq-hero__links a:hover,
.page-faq .faq-hero__links a:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hair);
  background: var(--paper);
}

.page-faq .faq-figure .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 主体布局 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  min-width: 0;
}

/* 左侧编号索引 */
.page-faq .faq-index {
  border: 1px solid var(--hair);
  border-top: 3px solid var(--red);
  background: var(--panel);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-panel);
  min-width: 0;
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 8px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  border-bottom: 1px solid rgba(31, 31, 27, 0.08);
  transition: background-color 160ms ease, color 160ms ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--edge);
  color: var(--navy);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--red);
  flex: 0 0 auto;
}

.page-faq .faq-index__side {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--edge);
  display: grid;
  gap: 8px;
}

.page-faq .faq-index__side-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 2px;
}

.page-faq .faq-index__side a {
  color: var(--lake);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  justify-self: start;
}

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

/* 问答分组 */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  --acc: var(--red);
  border-top: 2px solid var(--acc);
  padding-top: 18px;
  margin-bottom: clamp(30px, 5vw, 48px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group--screen { --acc: var(--lake); }
.page-faq .faq-group--return { --acc: var(--navy); }
.page-faq .faq-group--version { --acc: var(--gold); }
.page-faq .faq-group--contact { --acc: var(--sage); }

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 10px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  font-weight: 700;
  color: var(--acc);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin: 0;
  flex: 1 1 12em;
  min-width: 0;
}

.page-faq .faq-group__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 5px 10px;
  background: var(--acc);
  color: var(--cream);
  flex: 0 0 auto;
}

.page-faq .faq-group--version .faq-group__tag {
  color: var(--ink);
}

.page-faq .faq-group__intro {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 16px;
  max-width: 40em;
}

/* 折叠问答 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--edge);
  background: linear-gradient(var(--panel), var(--panel)) padding-box;
}

.page-faq .faq-q {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.page-faq .faq-btn {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-body);
  transition: background-color 160ms ease, color 160ms ease;
}

.page-faq .faq-btn:hover,
.page-faq .faq-btn:focus-visible {
  background: var(--cream);
}

.page-faq .faq-btn:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: -2px;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--acc);
  padding-top: 4px;
  flex: 0 0 auto;
}

.page-faq .faq-text {
  font-family: var(--font-display);
  font-size: clamp(15.5px, 1.8vw, 18px);
  line-height: 1.55;
  letter-spacing: 0.01em;
  min-width: 0;
}

.page-faq .disclosure__icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  border: 1px solid var(--hair);
  background: var(--paper);
  margin-top: 2px;
}

.page-faq .disclosure__icon::before,
.page-faq .disclosure__icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.page-faq .disclosure__icon::before {
  left: 4px;
  right: 4px;
  top: 9px;
  height: 1.5px;
}

.page-faq .disclosure__icon::after {
  top: 4px;
  bottom: 4px;
  left: 9px;
  width: 1.5px;
  transition: opacity 160ms ease;
}

.page-faq .faq-btn[aria-expanded="true"] .disclosure__icon::after {
  opacity: 0;
}

.page-faq .faq-btn[aria-expanded="true"] {
  background: var(--cream);
}

.page-faq .disclosure__panel {
  padding: 0 4px 18px 4px;
}

@media (min-width: 640px) {
  .page-faq .disclosure__panel {
    padding-left: 34px;
  }
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
  max-width: 44em;
}

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

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

.page-faq .faq-figure--inline {
  margin: 0 0 18px;
  max-width: 620px;
}

/* 结尾联络带 */
.page-faq .faq-cta {
  background: var(--navy);
  color: var(--cream);
  border: 1px solid var(--navy);
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 22px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-cta::before {
  content: "05";
  position: absolute;
  right: 12px;
  bottom: -18px;
  font-family: var(--font-mono);
  font-size: clamp(80px, 18vw, 160px);
  line-height: 0.8;
  color: rgba(255, 248, 238, 0.08);
  pointer-events: none;
}

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

.page-faq .faq-cta .kicker {
  color: var(--gold);
  margin-bottom: 10px;
}

.page-faq .faq-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--cream);
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 248, 238, 0.82);
  max-width: 40em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
}

.page-faq .faq-cta .btn {
  display: inline-block;
  padding: 13px 22px;
  font-size: 14.5px;
  line-height: 1;
  text-decoration: none;
  border: 1px solid var(--cream);
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-cta .btn--solid {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
}

.page-faq .faq-cta .btn--solid:hover,
.page-faq .faq-cta .btn--solid:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-faq .faq-cta .btn--ghost {
  background: transparent;
  color: var(--cream);
}

.page-faq .faq-cta .btn--ghost:hover,
.page-faq .faq-cta .btn--ghost:focus-visible {
  background: rgba(255, 248, 238, 0.14);
}

.page-faq .faq-cta .btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group:first-child {
    margin-top: 0;
  }
}

@media (min-width: 1440px) {
  .page-faq .faq-body {
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .page-faq .faq-group__intro {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<PAGE_CSS_END>>>