.page-faq {
  --faq-panel: rgba(27, 53, 80, .36);
  --faq-panel-open: rgba(27, 53, 80, .66);
  --faq-hair: rgba(42, 74, 102, .55);
  background: var(--ink);
  color: var(--fog);
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(140% 120% at 84% -10%, rgba(63, 216, 255, .22), rgba(52, 245, 225, .06) 38%, transparent 66%),
    radial-gradient(120% 130% at 0% 110%, rgba(155, 123, 255, .16), transparent 60%),
    var(--ink-2);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--tick-line);
  opacity: .16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--sky) 46%, var(--orange));
  opacity: .85;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  padding-top: clamp(24px, 4.4vw, 48px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--fog-62);
}

.page-faq .crumbs a {
  color: var(--fog-62);
  text-decoration: none;
}

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

.page-faq .crumbs__sep {
  color: var(--line);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 6.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--fog);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(.94rem, 1.32vw, 1.06rem);
  line-height: 1.85;
  color: var(--fog-80);
}

.page-faq .faq-quick {
  display: flex;
  gap: 10px;
  max-width: 100%;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-quick a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: rgba(11, 34, 57, .66);
  color: var(--fog-80);
  font-family: var(--font-ui);
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--cyan);
  background: rgba(52, 245, 225, .09);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--orange);
}

/* ===== 双栏骨架 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 48px);
  padding-top: clamp(26px, 4.4vw, 56px);
  padding-bottom: clamp(44px, 6vw, 92px);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 54px);
  min-width: 0;
}

/* ===== 左栏目录 ===== */
.page-faq .faq-rail {
  align-self: start;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(11, 34, 57, .6);
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-rail__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 11px 6px 11px 16px;
  border-bottom: 1px dashed var(--faq-hair);
  color: var(--fog-62);
  font-family: var(--font-ui);
  font-size: .9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s ease;
}

.page-faq .faq-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .22s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--fog);
  outline: none;
}

.page-faq .faq-rail__link:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-faq .faq-rail__link.is-current {
  color: var(--cyan);
}

.page-faq .faq-rail__link.is-current::before {
  transform: scaleY(1);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--orange);
  letter-spacing: .04em;
}

.page-faq .faq-rail__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail__note-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: .98rem;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .faq-rail__note p {
  margin: 0 0 12px;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--fog-62);
  word-break: break-word;
}

/* ===== 章节 ===== */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  min-width: 0;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 11px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.4vw, 1.62rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--fog);
}

.page-faq .faq-lead {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  max-width: 64ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--fog-80);
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 245, 225, .45);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ===== 两个入口卡片 ===== */
.page-faq .faq-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: clamp(16px, 2.4vw, 22px);
}

.page-faq .route-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--faq-panel);
  color: inherit;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.page-faq .route-card--violet {
  border-top-color: var(--violet);
}

.page-faq .route-card:hover,
.page-faq .route-card:focus-visible {
  background: rgba(27, 53, 80, .72);
  border-color: var(--sky);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .route-card:focus-visible {
  box-shadow: 0 0 0 1px var(--cyan);
}

.page-faq .route-card__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--fog);
}

.page-faq .route-card__desc {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--fog-62);
}

.page-faq .route-card__go {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .route-card--violet .route-card__go {
  color: var(--violet);
}

/* ===== 三步流程 ===== */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--faq-panel);
}

.page-faq .faq-steps__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--fog-80);
}

.page-faq .faq-steps__arrow {
  display: none;
  width: 22px;
  height: 11px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== 折叠问答 ===== */
.page-faq .faq-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-left: 2px solid var(--faq-hair);
  background: var(--faq-panel);
  transition: border-left-color .2s ease, background .2s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: var(--faq-panel-open);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--cyan);
}

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

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

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

.page-faq .faq-item__body {
  padding: 12px 16px 16px;
  border-top: 1px dashed var(--faq-hair);
  max-width: 64ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--fog-80);
}

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

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

/* ===== 配图 ===== */
.page-faq .faq-figure {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  padding: 8px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(63, 216, 255, .16), rgba(155, 123, 255, .12) 55%, rgba(255, 122, 47, .1));
}

.page-faq .faq-figure--tall {
  max-width: 340px;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--fog-62);
}

/* ===== 联系收尾 ===== */
.page-faq .faq-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(255, 122, 47, .14), transparent 58%),
    linear-gradient(135deg, rgba(52, 245, 225, .09), rgba(63, 216, 255, .04));
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--fog);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--fog-80);
}

.page-faq .faq-cta__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cta__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-faq .faq-cta__key {
  flex: 0 0 52px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-cta__val {
  font-family: var(--font-mono);
  font-size: .86rem;
  font-variant-numeric: tabular-nums;
  color: var(--fog);
  word-break: break-word;
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

/* ===== 桌面布局 ===== */
@media (min-width: 760px) {
  .page-faq .faq-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-steps__item {
    margin-right: 30px;
  }

  .page-faq .faq-steps__item:last-child {
    margin-right: 0;
  }

  .page-faq .faq-steps__arrow {
    display: block;
    position: absolute;
    top: 50%;
    right: -26px;
    transform: translateY(-50%);
  }

  .page-faq .faq-steps__item:last-child .faq-steps__arrow {
    display: none;
  }

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

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-card,
  .page-faq .faq-rail__link::before,
  .page-faq .faq-quick a {
    transition: none;
  }

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