.page-faq {
  background: var(--c-night);
  color: var(--c-paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--sp-5) 0 var(--sp-6);
  background:
    radial-gradient(120% 95% at 10% 0%, #173a6b 0%, transparent 58%),
    radial-gradient(90% 80% at 92% 8%, rgba(34, 195, 201, 0.2) 0%, transparent 62%),
    var(--c-night);
  border-bottom: var(--hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(143, 166, 196, 0.09) 0 1px,
    transparent 1px 72px
  );
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-4);
}

.page-faq .faq-hero__main h1 {
  margin: var(--sp-2) 0 0;
  font-size: clamp(2rem, 7.4vw, 4.25rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-faq .faq-hero__lead {
  margin: var(--sp-3) 0 0;
  max-width: 56ch;
  font-size: var(--t-18);
  line-height: 1.85;
  color: rgba(247, 241, 227, 0.86);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: var(--sp-4);
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(143, 166, 196, 0.3);
  border-radius: 999px;
  background: rgba(18, 41, 74, 0.72);
  color: var(--c-paper);
  font-size: var(--t-14);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-chip .num {
  color: var(--c-rapeseed);
  font-size: 0.8rem;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--c-lake);
  color: var(--c-lake-soft);
  transform: translateY(-2px);
}

.page-faq .faq-hero__panel {
  align-self: start;
  padding: var(--sp-4);
  border: var(--hair-lake);
  border-radius: var(--radius-lg);
  background: rgba(18, 41, 74, 0.66);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 var(--sp-2);
  font-size: var(--t-12);
  letter-spacing: 0.14em;
  color: var(--c-lake);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(143, 166, 196, 0.18);
}

.page-faq .faq-stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--c-rapeseed);
  white-space: nowrap;
}

.page-faq .faq-stat__label {
  font-size: var(--t-12);
  line-height: 1.6;
  color: var(--c-fog);
  text-align: right;
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--sp-5);
  padding: var(--sp-5) 0 var(--sp-7);
}

.page-faq .faq-index {
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid rgba(143, 166, 196, 0.18);
}

.page-faq .faq-index__title {
  margin: 0 0 var(--sp-2);
  font-size: var(--t-12);
  letter-spacing: 0.16em;
  color: var(--c-lake);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.7rem 0.35rem;
  border-bottom: 1px solid rgba(143, 166, 196, 0.14);
  color: var(--c-paper);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-lake-soft);
  background: rgba(34, 195, 201, 0.08);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-rapeseed);
}

.page-faq .faq-index__note {
  margin: var(--sp-3) 0 0;
  font-size: var(--t-12);
  line-height: 1.8;
  color: var(--c-fog);
}

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

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

.page-faq .faq-sec + .faq-sec {
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(143, 166, 196, 0.18);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  margin-bottom: var(--sp-3);
}

.page-faq .faq-sec__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-rapeseed);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-sec__desc {
  grid-column: 2;
  margin: 0.4rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(247, 241, 227, 0.78);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 0 0 var(--sp-4);
  padding: 0;
  display: grid;
  gap: 0.6rem;
  max-width: 68ch;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.7rem;
  align-items: start;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(247, 241, 227, 0.88);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
  color: var(--c-lake);
  border: 1px solid rgba(34, 195, 201, 0.35);
  border-radius: 6px;
  background: rgba(34, 195, 201, 0.08);
}

/* ---------- 折叠问答卡 ---------- */
.page-faq .q-list {
  display: grid;
  gap: 0.7rem;
  max-width: 72ch;
}

.page-faq .q-card {
  border: 1px solid rgba(143, 166, 196, 0.22);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.55);
  overflow: hidden;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .q-card[open] {
  border-color: rgba(34, 195, 201, 0.48);
  background: rgba(18, 41, 74, 0.9);
}

.page-faq .q-card__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.page-faq .q-card__summary:focus-visible {
  outline: 2px solid var(--c-rapeseed);
  outline-offset: -2px;
}

.page-faq .q-card__idx {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-rapeseed);
}

.page-faq .q-card__title {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .q-card__mark {
  position: relative;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(34, 195, 201, 0.5);
  border-radius: 50%;
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.page-faq .q-card__mark::before,
.page-faq .q-card__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1.5px;
  background: var(--c-lake);
  transform: translate(-50%, -50%);
}

.page-faq .q-card__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .q-card[open] .q-card__mark {
  transform: rotate(45deg);
  background: rgba(34, 195, 201, 0.12);
}

.page-faq .q-card__body {
  padding: 0 1.05rem 1.1rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(247, 241, 227, 0.84);
}

.page-faq .q-card__body p {
  margin: 0 0 0.85rem;
}

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

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 var(--sp-4);
}

.page-faq .faq-figure .media-frame,
.page-faq .faq-help__figure .media-frame {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(143, 166, 196, 0.22);
}

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

.page-faq .faq-figure figcaption,
.page-faq .faq-help__figure figcaption {
  margin-top: 0.6rem;
  font-size: var(--t-12);
  line-height: 1.7;
  color: var(--c-fog);
}

/* ---------- 更多按钮 ---------- */
.page-faq .faq-more {
  margin: var(--sp-4) 0 0;
}

.page-faq .faq-more .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  text-decoration: none;
}

.page-faq .faq-inline-link {
  color: var(--c-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--c-lake-soft);
}

/* ---------- 纸白协助区 ---------- */
.page-faq .faq-help {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: var(--sp-6) 0;
  border-top: 4px solid var(--c-lake);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: var(--sp-4);
}

.page-faq .faq-help__eyebrow {
  color: #0e7d84;
}

.page-faq .faq-help__title {
  margin: var(--sp-2) 0 0;
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.015em;
  max-width: 22ch;
}

.page-faq .faq-help__lead {
  margin: var(--sp-3) 0 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(26, 18, 11, 0.82);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  max-width: 58ch;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(26, 18, 11, 0.86);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-lake);
  transform: rotate(45deg);
}

.page-faq .faq-help__contact {
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-left: 4px solid var(--c-flare);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(11, 27, 51, 0.06);
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(26, 18, 11, 0.16);
}

.page-faq .faq-help__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-help__label {
  min-width: 4.6rem;
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: rgba(26, 18, 11, 0.62);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-ink);
  word-break: break-word;
}

.page-faq .faq-help__note {
  margin: var(--sp-3) 0 0;
  max-width: 58ch;
  font-size: var(--t-14);
  line-height: 1.8;
  color: rgba(26, 18, 11, 0.7);
}

.page-faq .faq-more--paper .btn--lake {
  color: var(--c-ink);
}

.page-faq .faq-help__figure {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: var(--sp-6) 0 var(--sp-6);
  }

  .page-faq .faq-sec__title {
    font-size: 1.5rem;
  }

  .page-faq .q-card__summary {
    padding: 1.05rem 1.25rem;
  }

  .page-faq .q-card__body {
    padding: 0 1.25rem 1.25rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.72fr);
    align-items: start;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: var(--sp-5);
  }

  .page-faq .faq-help__figure {
    margin-top: var(--sp-4);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid rgba(143, 166, 196, 0.18);
    padding-right: var(--sp-3);
  }

  .page-faq .faq-sec__title {
    font-size: 1.7rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .page-faq .faq-hero__grid {
    gap: var(--sp-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .q-card,
  .page-faq .q-card__mark {
    transition: none;
  }

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