.page-faq {
  background: var(--ink-blue);
  color: var(--cream);
}

.page-faq .faq-hero {
  position: relative;
  padding: 104px 0 34px;
  background: var(--ink-blue);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(27px, 6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
  max-width: 22em;
}

.page-faq .faq-lede {
  font-size: 16px;
  line-height: 1.85;
  color: var(--cream);
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-hero .status-strip {
  margin-top: 22px;
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 28px;
  padding-bottom: 72px;
}

/* 目录索引 */
.page-faq .faq-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--edge);
  scrollbar-width: none;
}

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

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: none;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--rock-gray);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-index-link:hover {
  color: var(--cream);
  border-color: var(--edge);
  background: rgba(31, 122, 107, 0.18);
}

.page-faq .faq-index-link.is-active {
  color: var(--competition-orange);
  border-color: rgba(242, 101, 34, 0.55);
}

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

.page-faq .faq-sec {
  scroll-margin-top: 96px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: 26px;
}

/* 面板 */
.page-faq .faq-panel {
  background: var(--cream);
  color: var(--text-ink);
  border: 1px solid var(--edge-ink);
  border-radius: var(--radius);
  padding: 24px 18px 26px;
}

.page-faq .faq-panel h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 8px 0 10px;
}

.page-faq .faq-note {
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock-gray-deep);
  max-width: 34em;
  margin: 0 0 20px;
}

.page-faq .faq-panel--dark {
  background: var(--deep-rock);
  color: var(--cream);
  border-color: var(--edge);
}

.page-faq .faq-panel--dark .faq-note {
  color: var(--moss);
}

.page-faq .faq-panel--accent {
  background: var(--mountain-teal);
  color: var(--cream);
  border-color: transparent;
}

.page-faq .faq-panel--accent .faq-note {
  color: rgba(244, 241, 233, 0.9);
}

.page-faq .faq-panel--accent .eyebrow {
  color: rgba(244, 241, 233, 0.85);
}

.page-faq .faq-panel--flush {
  padding-bottom: 18px;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 1px solid var(--edge-ink);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(31, 122, 107, 0.08);
}

.page-faq .faq-panel--dark .faq-figure {
  border-color: var(--edge);
  background: rgba(127, 195, 172, 0.08);
}

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

/* 三步步骤条 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  padding: 16px 16px 18px;
  background: rgba(31, 122, 107, 0.09);
  border: 1px solid var(--edge-ink);
  border-left: 3px solid var(--mountain-teal);
  border-radius: var(--radius-sm);
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mountain-teal);
  margin-bottom: 6px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 6px;
  color: var(--text-ink);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock-gray-deep);
}

/* 问答折叠 */
.page-faq .faq-list {
  border-top: 1px solid var(--edge-ink);
}

.page-faq .faq-panel--dark .faq-list {
  border-top-color: var(--edge);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--edge-ink);
}

.page-faq .faq-panel--dark .faq-item {
  border-bottom-color: var(--edge);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: inherit;
  transition: color var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 400;
  color: var(--mountain-teal);
}

.page-faq .faq-panel--dark .faq-q::after {
  color: var(--moss);
}

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

.page-faq .faq-q:hover {
  color: var(--mountain-teal);
}

.page-faq .faq-panel--dark .faq-q:hover {
  color: var(--moss);
}

.page-faq .faq-q-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mountain-teal);
}

.page-faq .faq-panel--dark .faq-q-num {
  color: var(--moss);
}

.page-faq .faq-a {
  padding: 0 0 17px 32px;
  font-size: 15px;
  line-height: 1.85;
  max-width: 36em;
  color: var(--rock-gray-deep);
}

.page-faq .faq-panel--dark .faq-a {
  color: var(--cream);
}

.page-faq .faq-a strong {
  color: inherit;
  font-weight: 700;
}

/* 联系渠道表 */
.page-faq .faq-channels {
  list-style: none;
  margin: 20px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--edge-ink);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-faq .faq-channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
}

.page-faq .faq-channel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--rock-gray-deep);
  min-width: 68px;
}

.page-faq .faq-channel-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-ink);
  word-break: break-all;
}

/* 术语表 */
.page-faq .faq-terms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--edge);
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .faq-term {
  background: var(--deep-rock);
  padding: 16px 18px;
}

.page-faq .faq-term dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--moss);
  margin-bottom: 7px;
}

.page-faq .faq-term dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream);
}

/* 兜底区块 */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cream);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--competition-orange);
}

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

.page-faq .faq-cta-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.88);
}

.page-faq .faq-cta-note a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 2px solid var(--competition-orange);
}

.page-faq .faq-cta-note a:hover {
  color: var(--text-ink);
  background: var(--cream);
}

@media (min-width: 640px) {
  .page-faq .faq-panel {
    padding: 30px 28px 32px;
  }

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

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

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -19px;
    top: 50%;
    width: 12px;
    height: 1px;
    background: var(--mountain-teal);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: 204px minmax(0, 1fr);
    gap: 44px;
    padding-top: 40px;
    padding-bottom: 88px;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 92px;
    align-self: start;
    overflow: visible;
    padding: 2px 0 2px 14px;
    border-bottom: 0;
    border-left: 2px solid var(--edge);
  }

  .page-faq .faq-index-link {
    display: flex;
    width: 100%;
    margin-bottom: 4px;
    white-space: normal;
  }

  .page-faq .faq-panel {
    padding: 34px 38px 38px;
  }

  .page-faq .faq-hero {
    padding-top: 116px;
    padding-bottom: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-link,
  .page-faq .faq-q,
  .page-faq .faq-cta-note a {
    transition: none;
  }
}
<<<END>>>