.page-faq {
  background: var(--deep);
  color: var(--ice);
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 48px) 0 clamp(32px, 6vw, 64px);
  border-bottom: 1px solid var(--fence);
  background:
    radial-gradient(circle at 88% 12%, rgba(33, 230, 193, 0.14), transparent 58%),
    radial-gradient(circle at 6% 92%, rgba(255, 106, 43, 0.12), transparent 52%),
    var(--deep);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(126, 151, 168, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 151, 168, 0.5) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.1;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 18px;
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-faq .faq-hero__lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: rgba(234, 244, 247, 0.82);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--fence);
  border: 1px solid var(--fence);
}

.page-faq .faq-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--navy);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-hero__visual {
  margin: 0;
  position: relative;
  border: 1px solid var(--fence);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
  background: var(--well);
}

.page-faq .faq-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .faq-hero__caption {
  padding: 12px 16px 20px;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--fence);
}

/* ---------- 分组标签条 ---------- */
.page-faq .faq-tabs {
  background: var(--well);
  border-bottom: 1px solid var(--fence);
}

.page-faq .faq-tabs__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-tabs__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: var(--fs-sm);
  color: var(--ice);
  text-decoration: none;
  border: 1px solid var(--fence);
  background: rgba(14, 44, 71, 0.6);
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.page-faq .faq-tabs__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-xs);
  color: var(--orange);
}

/* ---------- 分组与折叠问答 ---------- */
.page-faq .faq-group {
  position: relative;
  padding: clamp(32px, 5vw, 60px) 0;
  border-bottom: 1px solid var(--fence);
}

.page-faq .faq-group--alt {
  background: var(--navy);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .chapter__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0 0 6px;
  font-size: clamp(1.35rem, 3.6vw, 1.9375rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.28;
  color: var(--ice);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--mist);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--fence);
  border-left: 2px solid transparent;
  background: rgba(14, 44, 71, 0.55);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(33, 230, 193, 0.45);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 44px 16px 16px;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ice);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-item summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-item__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-xs);
  color: var(--mist);
}

.page-faq .faq-item[open] .faq-item__n {
  color: var(--cyan);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 18px;
  border-top: 1px solid rgba(33, 230, 193, 0.18);
}

.page-faq .faq-item__body p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(234, 244, 247, 0.82);
}

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 路径示意图 ---------- */
.page-faq .faq-path {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--fence);
  background: var(--well);
}

.page-faq .faq-path__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-path__caption {
  padding: 12px 16px;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--fence);
}

/* ---------- 速查表 ---------- */
.page-faq .lookup {
  border: 1px solid var(--fence);
  background: var(--deep);
}

.page-faq .lookup__scroll {
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .lookup__table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.page-faq .lookup__cap {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--well);
  border-bottom: 1px solid var(--fence);
}

.page-faq .lookup__table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(22, 56, 79, 0.7);
  border-bottom: 1px solid var(--fence);
}

.page-faq .lookup__table tbody th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--ice);
  border-bottom: 1px solid var(--fence);
}

.page-faq .lookup__table tbody td {
  padding: 12px 16px;
  color: rgba(234, 244, 247, 0.76);
  border-bottom: 1px solid var(--fence);
  border-left: 1px solid rgba(22, 56, 79, 0.8);
}

.page-faq .lookup__table tbody tr:nth-child(odd) {
  background: rgba(22, 56, 79, 0.36);
}

.page-faq .lookup__table tbody tr:hover {
  background: rgba(33, 230, 193, 0.08);
}

.page-faq .lookup__table tbody tr:last-child th,
.page-faq .lookup__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .lookup__note {
  margin: 0;
  padding: 14px 16px;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--fence);
  background: var(--well);
}

.page-faq .lookup__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding: clamp(32px, 5vw, 60px) 0 clamp(40px, 6vw, 72px);
  background:
    linear-gradient(120deg, rgba(255, 106, 43, 0.14), transparent 60%),
    var(--well);
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 3.6vw, 1.9375rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(234, 244, 247, 0.8);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item summary {
    padding: 18px 48px 18px 20px;
    font-size: var(--fs-md);
  }

  .page-faq .faq-item summary::after {
    right: 20px;
    top: 16px;
    font-size: var(--fs-lg);
  }

  .page-faq .faq-item__body {
    padding: 0 24px 22px 24px;
  }

  .page-faq .faq-item__body p {
    font-size: var(--fs-base);
    margin-left: 46px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.4rem, 4vw, 3.0625rem);
  }

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

  .page-faq .faq-group__head {
    gap: 24px;
  }

  .page-faq .faq-list {
    gap: 8px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group__head {
    margin-bottom: 36px;
  }

  .page-faq .lookup__table {
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-tabs__link {
    transition: none;
  }
}
<<<END>>>