.page-faq {
  background: var(--paper);
  color: var(--ink);
  --faq-line: rgba(159, 178, 181, 0.55);
  --faq-line-strong: rgba(30, 113, 136, 0.45);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(243, 239, 228, 0.62);
  margin: 0 0 clamp(26px, 5vw, 52px);
}

.page-faq .faq-crumbs a {
  color: rgba(243, 239, 228, 0.84);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 208, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-crumbs a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) 0 clamp(46px, 7vw, 80px);
  background:
    radial-gradient(110% 130% at 92% -30%, rgba(45, 245, 208, 0.18), transparent 56%),
    radial-gradient(90% 110% at -12% 112%, rgba(30, 113, 136, 0.45), transparent 62%),
    linear-gradient(155deg, var(--qingdai) 0%, var(--qingdai-2) 60%, #123340 100%);
  color: var(--paper);
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(159, 178, 181, 0.13) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(159, 178, 181, 0.13) 0 1px, transparent 1px 88px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.25) 62%, transparent 100%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.25) 62%, transparent 100%);
  pointer-events: none;
}

.page-faq .faq-masthead-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.6vw, 38px);
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-masthead h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: #f7f4ea;
  overflow-wrap: break-word;
}

.page-faq .faq-masthead .lede {
  margin: 0 0 18px;
  max-width: 48ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: rgba(243, 239, 228, 0.84);
}

.page-faq .faq-state {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-aside-note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 239, 228, 0.68);
}

.page-faq .faq-aside-note a {
  color: var(--cyan);
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-aside-note a:hover {
  color: #f7f4ea;
}

.page-faq .faq-aside-note a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

@media (min-width: 900px) {
  .page-faq .faq-masthead-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }
}

/* ---------- 问题路线 ---------- */
.page-faq .faq-map {
  padding: clamp(40px, 6vw, 74px) 0 clamp(6px, 1.5vw, 14px);
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 72%, rgba(216, 236, 239, 0.35) 100%);
}

.page-faq .faq-map-head {
  max-width: 64ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-faq .faq-map h2 {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--qingdai);
}

.page-faq .faq-map-intro {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(17, 28, 31, 0.78);
}

.page-faq .faq-map-canvas {
  position: relative;
}

.page-faq .faq-map-axis {
  display: block;
  width: 100%;
  height: 16px;
  margin-bottom: 14px;
  color: var(--lake);
  opacity: 0.75;
}

.page-faq .faq-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-route-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 16px 16px 18px;
  background: var(--paper-lift);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--lake);
  border-radius: 2px;
  text-decoration: none;
  color: var(--ink);
  transition:
    transform 0.2s var(--ease),
    border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.page-faq .faq-route-card:hover {
  transform: translateY(-2px);
  border-color: var(--lake);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-route-card:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-route-num {
  font-size: 20px;
  line-height: 1;
  color: var(--lake);
  letter-spacing: -0.02em;
}

.page-faq .faq-route-label {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .faq-route-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(17, 28, 31, 0.58);
}

@media (min-width: 620px) {
  .page-faq .faq-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(32px, 4.6vw, 54px);
  padding-top: clamp(36px, 6vw, 66px);
  padding-bottom: clamp(50px, 8vw, 92px);
}

.page-faq .faq-group {
  scroll-margin-top: 28px;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 16px;
  align-items: start;
  padding-top: 16px;
  margin-bottom: 18px;
  border-top: 3px solid var(--lake);
}

.page-faq .faq-group:nth-child(even) .faq-group-head {
  border-top-color: var(--qingdai);
}

.page-faq .faq-group:nth-child(3n) .faq-group-head {
  border-top-color: var(--gold);
}

.page-faq .faq-group-num {
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1;
  color: var(--lake);
  letter-spacing: -0.03em;
}

.page-faq .faq-group-title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--qingdai);
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(17, 28, 31, 0.7);
}

.page-faq .faq-device-figure {
  margin: 0 0 16px;
}

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

.page-faq .faq-device-figure .figure-cap {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(17, 28, 31, 0.6);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  margin: 0 0 10px;
  background: var(--paper-lift);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

.page-faq .qa[open] {
  border-color: var(--faq-line-strong);
  box-shadow: var(--shadow-card);
}

.page-faq .qa-q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 15px 44px 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa-q:hover {
  color: var(--lake);
}

.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
}

.page-faq .qa-q::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.8px solid var(--lake);
  border-bottom: 1.8px solid var(--lake);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-faq .qa[open] > .qa-q::after {
  transform: translateY(-30%) rotate(-135deg);
}

.page-faq .qa-a {
  padding: 14px 16px 18px;
  background: var(--lake-soft);
  border-top: 1px solid var(--faq-line-strong);
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}

.page-faq .qa-a > *:first-child {
  margin-top: 0;
}

.page-faq .qa-a > *:last-child {
  margin-bottom: 0;
}

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

.page-faq .qa-a strong {
  color: var(--qingdai);
  font-weight: 700;
}

.page-faq .qa-a a {
  color: var(--lake);
  font-weight: 600;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease);
}

.page-faq .qa-a a:hover {
  color: var(--qingdai);
}

.page-faq .qa-a a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-faq .qa-steps {
  list-style: none;
  margin: 12px 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa-steps li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  background: var(--paper-lift);
  border-left: 2px solid var(--lake);
  font-size: 14.8px;
  line-height: 1.72;
}

.page-faq .qa-steps .mono {
  flex: none;
  font-size: 13px;
  color: var(--lake);
  padding-top: 2px;
}

.page-faq .qa-check {
  list-style: none;
  margin: 12px 0 12px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .qa-check li {
  position: relative;
  padding-left: 22px;
  font-size: 14.8px;
  line-height: 1.75;
}

.page-faq .qa-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 9px;
  height: 5px;
  border-left: 1.6px solid var(--lake);
  border-bottom: 1.6px solid var(--lake);
  transform: rotate(-45deg);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  background:
    linear-gradient(140deg, var(--qingdai) 0%, var(--qingdai-2) 68%, #123340 100%);
  color: var(--paper);
  padding: clamp(38px, 6vw, 68px) 0;
}

.page-faq .faq-tail-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}

.page-faq .faq-tail-copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: #f7f4ea;
}

.page-faq .faq-tail-copy p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.76);
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid rgba(243, 239, 228, 0.45);
  border-radius: 2px;
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-faq .faq-tail-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-tail-link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-faq .faq-tail-link--primary {
  background: var(--cyan);
  color: #06262c;
  border-color: var(--cyan);
}

.page-faq .faq-tail-link--primary:hover {
  color: #06262c;
  filter: brightness(1.08);
  border-color: var(--cyan);
}

@media (min-width: 860px) {
  .page-faq .faq-tail-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-route-card,
  .page-faq .qa,
  .page-faq .qa-q,
  .page-faq .qa-q::after,
  .page-faq .faq-tail-link,
  .page-faq .faq-crumbs a {
    transition: none;
  }

  .page-faq .faq-route-card:hover,
  .page-faq .faq-route-card:focus-visible {
    transform: none;
  }
}
<<<END>>>