.page-faq {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏声明区 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.6rem, 5vw, 3.4rem) 0 clamp(1.6rem, 4vw, 2.6rem);
  background:
    radial-gradient(circle at 8% -10%, rgba(176, 16, 44, 0.5), transparent 56%),
    radial-gradient(circle at 92% 6%, rgba(38, 227, 200, 0.12), transparent 46%),
    linear-gradient(180deg, rgba(110, 10, 28, 0.34), transparent 78%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--crimson-deep) 34%, rgba(10, 12, 16, 0) 100%);
}

.page-faq .breadcrumb {
  font-size: 0.82rem;
  color: var(--slate);
  margin-bottom: clamp(1.4rem, 4vw, 2.6rem);
}

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

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--line);
}

.page-faq .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

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

.page-faq .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 0.9rem;
}

.page-faq .display-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  max-width: 20ch;
}

.page-faq .faq-lead {
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.85;
  color: var(--slate);
  max-width: 42ch;
  margin: 0;
}

/* ---------- 横向图带 ---------- */
.page-faq .faq-band {
  margin: 0;
  position: relative;
  line-height: 0;
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: center 38%;
  filter: saturate(0.85) contrast(1.05);
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 16, 0.35) 0%, rgba(10, 12, 16, 0.05) 45%, var(--ink) 100%);
  pointer-events: none;
}

/* ---------- 索引 + 分组 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding-block: clamp(2rem, 5vw, 3.6rem) clamp(3rem, 8vw, 5.5rem);
}

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

.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 0.9rem;
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.4rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: none;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--slate);
  font-size: 0.92rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--bone);
  border-color: var(--cyan);
  background: rgba(38, 227, 200, 0.08);
}

.page-faq .faq-index-num {
  font-size: 0.76rem;
  color: var(--crimson-bright);
  letter-spacing: 0.04em;
}

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

.page-faq .faq-index-foot {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--slate);
  max-width: 30ch;
}

.page-faq .faq-index-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 227, 200, 0.35);
}

.page-faq .faq-index-foot a:hover,
.page-faq .faq-index-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(2.4rem, 6vw, 4rem);
  scroll-margin-top: 6.5rem;
}

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

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding-bottom: 1rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-num {
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--orange);
  flex: none;
}

.page-faq .faq-group-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq .faq-group-note {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-item-wrap + .faq-item-wrap {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  display: block;
}

.page-faq .faq-question {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 24px 4px 24px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-question::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.28s var(--ease);
}

.page-faq .faq-question:hover {
  color: var(--cyan);
}

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

.page-faq .faq-item[open] > .faq-question::before {
  transform: scaleY(1);
}

.page-faq .faq-item[open] > .faq-question {
  color: var(--bone);
}

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

.page-faq .faq-caret {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 0.38em;
  color: var(--slate);
  transition: transform 0.28s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-caret {
  transform: rotate(90deg);
  color: var(--cyan);
}

.page-faq .faq-answer {
  padding: 0 4px 26px 20px;
  animation: faq-answer-in 0.3s var(--ease) both;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--slate);
}

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 227, 200, 0.35);
  transition: border-color 0.2s var(--ease);
}

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

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 跨设备配图 ---------- */
.page-faq .faq-sync-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
  margin-top: 0.4rem;
}

.page-faq .faq-sync-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-sync-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.06);
}

.page-faq .faq-sync-figure figcaption {
  padding: 0.85rem 1.1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--slate);
  border-top: 1px solid var(--line);
}

/* ---------- 交接受理段 ---------- */
.page-faq .faq-group--help {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(176, 16, 44, 0.24), rgba(20, 24, 33, 0.9) 62%);
  border: 1px solid var(--line);
}

.page-faq .faq-group--help .faq-group-head {
  border-bottom-color: rgba(243, 239, 233, 0.12);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
    gap: clamp(2.4rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.5rem;
    max-height: calc(100vh - 9rem);
    overflow-y: auto;
    padding-right: 0.6rem;
    scrollbar-width: thin;
  }

  .page-faq .faq-index-list {
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    border: 0;
    border-radius: var(--radius-sm);
    white-space: normal;
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .page-faq .faq-question {
    font-size: 1.12rem;
    padding: 26px 4px 26px 24px;
  }

  .page-faq .faq-answer {
    padding: 0 4px 28px 24px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-sync-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-caret,
  .page-faq .faq-question::before,
  .page-faq .faq-index-link,
  .page-faq .faq-question {
    transition: none;
  }

  .page-faq .faq-answer {
    animation: none;
  }
}
<<<END>>>