.page-faq {
  --faq-rail: 16rem;
  --faq-gap: clamp(1.5rem, 3.6vw, 3rem);
  --faq-hair: rgba(96, 120, 140, 0.26);
  --faq-card: rgba(255, 255, 255, 0.78);
  background: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(90% 74% at 10% 0%, #12405f 0%, transparent 62%),
    linear-gradient(178deg, var(--deep) 0%, var(--blueprint) 100%);
  padding: calc(var(--header-h) + clamp(1.9rem, 5vw, 3.2rem)) 0 clamp(2.2rem, 5vw, 3.4rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(46, 230, 214, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 230, 214, 0.07) 1px, transparent 1px);
  background-size: 92px 92px, 92px 92px;
  -webkit-mask-image: radial-gradient(75% 78% at 26% 14%, #000 0%, transparent 86%);
  mask-image: radial-gradient(75% 78% at 26% 14%, #000 0%, transparent 86%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(169, 245, 239, 0.72);
  margin-bottom: 1rem;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 214, 0.4);
}

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

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6.2vw, 3.9rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-faq .faq-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(238, 250, 250, 0.8);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.6rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid rgba(46, 230, 214, 0.22);
  font-size: 0.8125rem;
  color: rgba(214, 238, 238, 0.72);
}

.page-faq .faq-hero__meta .mono {
  display: inline-block;
  margin-right: 0.35rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(243, 237, 225, 0.96);
  box-shadow: 0 30px 70px -50px rgba(0, 0, 0, 0.95);
}

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

.page-faq .faq-hero__figure .figure__caption {
  padding: 0.7rem 1rem;
  font-size: 0.75rem;
  color: var(--slate);
  background: rgba(243, 237, 225, 0.98);
  border-top: 1px solid rgba(96, 120, 140, 0.18);
}

/* ---------- 热门问题条 ---------- */
.page-faq .faq-hot {
  padding: clamp(1.7rem, 4vw, 2.6rem) 0 0.4rem;
}

.page-faq .faq-hot__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-hot__head h2 {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-faq .exhibit-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--teal);
  border: 1px solid rgba(11, 107, 102, 0.28);
  border-radius: 4px;
  padding: 0.14rem 0.4rem;
  white-space: nowrap;
}

.page-faq .faq-hot .exhibit-label,
.page-faq .faq-closing .exhibit-label {
  color: var(--cyan);
  border-color: rgba(46, 230, 214, 0.4);
}

.page-faq .hot-strip {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 0.25rem 0.15rem 0.85rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .hot-strip__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--blueprint);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--faq-hair);
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq .hot-strip__item .mono {
  font-size: 0.6875rem;
  color: var(--teal);
}

.page-faq .hot-strip__item:hover,
.page-faq .hot-strip__item:focus-visible {
  border-color: var(--cyan);
  background: #fff;
  transform: translateY(-1px);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(1.4rem, 3.5vw, 2.2rem);
}

.page-faq .faq-rail {
  background: linear-gradient(158deg, var(--blueprint) 0%, var(--deep) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.05rem 1rem;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-rail__title {
  margin: 0 0 0.7rem;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: rgba(169, 245, 239, 0.7);
}

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

.page-faq .faq-rail__list li {
  flex: 0 0 auto;
}

.page-faq .faq-rail .index-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  border: 1px solid rgba(169, 245, 239, 0.16);
  white-space: nowrap;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-faq .faq-rail .index-link .mono {
  font-size: 0.625rem;
  color: var(--cyan);
}

.page-faq .faq-rail .index-link:hover,
.page-faq .faq-rail .index-link:focus-visible,
.page-faq .faq-rail .index-link[data-active] {
  background: rgba(46, 230, 214, 0.14);
  border-color: rgba(46, 230, 214, 0.6);
  color: #fff;
}

.page-faq .faq-rail__note {
  margin: 0.9rem 0 0;
  font-size: 0.75rem;
  line-height: 1.7;
  color: rgba(214, 238, 238, 0.66);
}

.page-faq .faq-rail__cta {
  display: block;
  margin-top: 0.75rem;
  text-align: center;
  font-size: 0.8125rem;
  padding: 0.55rem 0.9rem;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-main {
  display: grid;
  gap: clamp(2rem, 5vw, 3.4rem);
  min-width: 0;
}

.page-faq .faq-cat {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-cat__head {
  display: grid;
  gap: 0.45rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--deep);
}

.page-faq .faq-cat__desc {
  margin: 0;
  max-width: var(--reading);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-cat__figure {
  margin: 0.6rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-cat__figure .figure__media {
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(15, 46, 74, 0.06);
}

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

.page-faq .faq-cat__figure .figure__caption {
  font-size: 0.75rem;
  color: var(--slate);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(11, 107, 102, 0.42);
  background: #fff;
  box-shadow: 0 18px 42px -38px rgba(8, 24, 38, 0.9);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .qa__num {
  font-size: 0.6875rem;
  color: var(--teal);
  padding-top: 0.28rem;
}

.page-faq .qa__q {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .qa__icon {
  position: relative;
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.1rem;
  border: 1px solid rgba(96, 120, 140, 0.4);
  border-radius: 50%;
  flex: 0 0 auto;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--blueprint);
  transition: opacity var(--ease), transform var(--ease);
}

.page-faq .qa__icon::before {
  width: 0.62rem;
  height: 1px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__icon::after {
  width: 1px;
  height: 0.62rem;
  transform: translate(-50%, -50%);
}

.page-faq .qa[open] .qa__icon {
  background: var(--teal);
  border-color: var(--teal);
}

.page-faq .qa[open] .qa__icon::before,
.page-faq .qa[open] .qa__icon::after {
  background: #fff;
}

.page-faq .qa[open] .qa__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .qa__body {
  padding: 0.2rem 1rem 1.1rem calc(1rem + 1.5rem + 0.75rem);
  background: var(--paper);
  border-top: 1px solid rgba(96, 120, 140, 0.16);
  margin: 0 0 0 0;
}

.page-faq .qa__body > p {
  margin: 0.85rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(17, 26, 34, 0.86);
  max-width: 42rem;
}

.page-faq .qa__body a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__body a:hover {
  color: var(--deep);
}

.page-faq .qa__steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  max-width: 42rem;
}

.page-faq .qa__steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 2.1rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(17, 26, 34, 0.88);
}

.page-faq .qa__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.5rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--teal);
  background: rgba(11, 107, 102, 0.09);
  border-radius: 3px;
  padding: 0.05rem 0;
}

.page-faq .qa__steps li::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 1.55rem;
  bottom: -0.5rem;
  width: 1px;
  background: rgba(11, 107, 102, 0.2);
}

.page-faq .qa__steps li:last-child::after {
  display: none;
}

.page-faq .qa__tip {
  margin-top: 0.9rem !important;
  padding: 0.6rem 0.8rem;
  font-size: 0.8125rem !important;
  line-height: 1.7 !important;
  color: var(--blueprint) !important;
  background: rgba(46, 230, 214, 0.12);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-closing {
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
  display: grid;
  gap: 0.7rem;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border-radius: var(--radius);
  color: #fff;
  background:
    radial-gradient(120% 130% at 85% 0%, rgba(46, 230, 214, 0.16) 0%, transparent 58%),
    linear-gradient(160deg, var(--blueprint) 0%, var(--deep) 100%);
}

.page-faq .faq-closing h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: #fff;
}

.page-faq .faq-closing p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(214, 238, 238, 0.8);
  max-width: 40rem;
}

.page-faq .faq-closing p a {
  color: var(--mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-closing p a:hover {
  color: var(--cyan);
}

.page-faq .faq-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 40rem) {
  .page-faq .faq-closing__actions .btn {
    min-width: 9rem;
  }

  .page-faq .faq-cat__figure {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    align-items: center;
    gap: 1rem;
  }
}

@media (min-width: 62rem) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    align-self: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
    padding: 1.25rem 1.1rem;
  }

  .page-faq .faq-rail__list {
    display: grid;
    gap: 0.3rem;
    overflow-x: visible;
  }

  .page-faq .faq-rail__list li {
    flex: none;
  }

  .page-faq .faq-rail .index-link {
    display: flex;
    width: 100%;
    padding: 0.5rem 0.6rem;
    border-color: transparent;
    border-left: 2px solid rgba(169, 245, 239, 0.18);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-rail .index-link[data-active] {
    border-color: transparent;
    border-left-color: var(--cyan);
    background: rgba(46, 230, 214, 0.12);
  }

  .page-faq .qa__summary {
    padding: 1.05rem 1.3rem;
    gap: 1rem;
  }

  .page-faq .qa__q {
    font-size: 1rem;
  }

  .page-faq .qa__body {
    padding-left: calc(1.3rem + 1.5rem + 1rem);
    padding-right: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-strip__item,
  .page-faq .qa,
  .page-faq .qa__icon,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after {
    transition: none;
  }
}
<<<END>>>