.page-faq {
  --faq-cut: 22px;
  --faq-scroll-offset: 100px;
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 22px 0 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-faq .crumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .crumb li + li::before {
  content: "/";
  color: var(--line-rock);
}

.page-faq .crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(26px, 4.6vw, 52px);
  max-width: 940px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-orange);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 4.6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 720px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__band {
  position: relative;
  margin: clamp(30px, 5vw, 52px) 0 0;
  overflow: hidden;
  background: var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
}

.page-faq .faq-hero__band img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
  opacity: 0.9;
}

.page-faq .faq-hero__band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6, 10, 22, 0.9) 0%, rgba(6, 10, 22, 0.12) 48%, rgba(6, 10, 22, 0.82) 100%),
    repeating-linear-gradient(0deg, rgba(56, 68, 95, 0.22) 0 1px, transparent 1px 7px);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ---------- 分类目录 ---------- */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index__label {
  display: none;
}

.page-faq .faq-index__cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-rock);
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, rgba(23, 33, 64, 0.72), rgba(13, 20, 40, 0.72));
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mist);
  text-decoration: none;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}

.page-faq .faq-index__cat:hover,
.page-faq .faq-index__cat:focus-visible {
  color: var(--paper);
  border-color: var(--signal-orange);
}

.page-faq .faq-index__cat-count {
  font-family: var(--font-data);
  font-size: 11.5px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  color: var(--signal-orange);
  background: rgba(255, 106, 43, 0.12);
}

/* ---------- 答案区 ---------- */
.page-faq .faq-answers {
  display: grid;
  gap: clamp(34px, 4.4vw, 56px);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: var(--faq-scroll-offset);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-rock);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-tag--moss {
  color: #a8d8bd;
  border-color: rgba(78, 127, 99, 0.65);
  background: rgba(78, 127, 99, 0.18);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  border: 1px solid var(--line-rock);
  border-left: 0;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: linear-gradient(180deg, rgba(13, 20, 40, 0.96) 0%, rgba(6, 10, 22, 0.96) 100%);
  scroll-margin-top: var(--faq-scroll-offset);
  transition: border-color 160ms ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line-rock);
  transition: background 160ms ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 43, 0.4);
}

.page-faq .faq-item[open]::before {
  background: var(--signal-orange);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px 16px 14px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--signal-orange);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--paper);
  transition: color 150ms ease;
}

.page-faq .faq-item > summary:hover .faq-item__q {
  color: var(--pulse-green);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border: 1px solid var(--line-rock);
  border-radius: 50%;
  transition: border-color 160ms ease;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--mist);
  transform: translate(-50%, -50%);
  transition: transform 180ms ease, opacity 180ms ease, background 160ms ease;
}

.page-faq .faq-item__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--signal-orange);
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--signal-orange);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px 44px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer-lead {
  color: var(--paper);
  font-size: 16px;
  font-weight: 500;
}

.page-faq .faq-item__body ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-item__body li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

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

.page-faq .faq-item__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1.5px;
  background: var(--signal-orange);
}

.page-faq .faq-k {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.95em;
  padding: 0 5px;
  border-radius: 4px;
  color: var(--amber);
  background: rgba(255, 194, 75, 0.12);
}

.page-faq .faq-item__body a {
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 43, 0.45);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--pulse-green);
  border-bottom-color: var(--pulse-green);
}

/* ---------- 资料示意图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  overflow: hidden;
  background: var(--ink-deep);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 260px);
  object-fit: cover;
  opacity: 0.92;
}

.page-faq .faq-figure__caption {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 15px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--ink-deep);
  border-top: 1px solid var(--line-rock);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-faq .faq-cta__panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-rock);
  border-radius: var(--radius-card);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(192, 116, 63, 0.22) 0%, transparent 55%),
    linear-gradient(160deg, var(--ink-layer) 0%, var(--ink-deep) 60%, var(--ink-void) 100%);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-cta__text .eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-orange);
}

.page-faq .faq-cta__title {
  margin: 12px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 640px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-item > summary {
    padding: 14px 13px 14px 12px;
    gap: 10px;
  }

  .page-faq .faq-item__body {
    padding: 0 13px 16px 38px;
  }

  .page-faq .faq-item__q {
    font-size: 15.5px;
  }

  .page-faq .faq-index__cat {
    padding: 7px 12px;
    font-size: 13px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    display: grid;
    gap: 4px;
    position: sticky;
    top: 96px;
    align-content: start;
  }

  .page-faq .faq-index__label {
    display: block;
    margin: 0 0 10px;
    font-family: var(--font-data);
    font-size: 11.5px;
    letter-spacing: 0.16em;
    color: var(--mist);
  }

  .page-faq .faq-index__cat {
    justify-content: space-between;
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid var(--line-rock);
    border-radius: 0 10px 10px 0;
    background: transparent;
    font-size: 14px;
  }

  .page-faq .faq-index__cat:hover,
  .page-faq .faq-index__cat:focus-visible {
    border-left-color: var(--signal-orange);
    background: rgba(23, 33, 64, 0.62);
  }

  .page-faq .faq-index__cat-name {
    flex: 1 1 auto;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 20px 48px;
  }

  .page-faq .faq-item > summary {
    padding: 17px 20px 17px 16px;
  }

  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-item__q,
  .page-faq .faq-index__cat {
    transition: none;
  }
}
<<<END>>>