.page-faq {
  --faq-pad: clamp(52px, 8vw, 104px);
  --faq-line-soft: rgba(30, 44, 74, 0.72);
  background: var(--deep);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .visually-plain {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(30, 44, 74, 0.34) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(30, 44, 74, 0.22) 0 1px, transparent 1px 96px),
    var(--deep);
}

.page-faq .faq-hero__art {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-faq .faq-hero__art img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.55) contrast(1.05);
}

.page-faq .faq-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(56, 225, 214, 0.12), transparent 62%),
    linear-gradient(180deg, rgba(6, 10, 20, 0.5) 0%, rgba(6, 10, 20, 0.9) 58%, var(--deep) 100%);
}

.page-faq .faq-hero__inner {
  padding-top: clamp(28px, 5vw, 48px);
  padding-bottom: clamp(40px, 6vw, 72px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 940px;
}

.page-faq .faq-hero .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-faq .faq-hero .breadcrumb__link {
  color: var(--haze);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--fog);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 8px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--faq-line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--haze);
}

.page-faq .faq-hero__meta li {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--cyan);
}

.page-faq .faq-hero__meta li:first-child::before {
  background: var(--orange);
}

/* ---------- 快速入口 ---------- */
.page-faq .faq-quick {
  padding-block: var(--faq-pad);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 21, 38, 0.55), transparent 70%);
}

.page-faq .section-head {
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 46em;
}

.page-faq .section-head__index {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .section-head__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .section-head__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

.page-faq .quick-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .quick-card {
  --qc: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(13, 21, 38, 0.92), rgba(6, 10, 20, 0.78));
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .quick-card--gold { --qc: var(--gold); }
.page-faq .quick-card--orange { --qc: var(--orange); }
.page-faq .quick-card--cyan { --qc: var(--cyan); }

.page-faq .quick-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 56px;
  height: 3px;
  background: var(--qc);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-within {
  border-color: rgba(56, 225, 214, 0.6);
  transform: translateY(-2px);
}

.page-faq .quick-card__icon {
  color: var(--qc);
  line-height: 0;
}

.page-faq .quick-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--fog);
}

.page-faq .quick-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

.page-faq .quick-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--qc);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .quick-card__link:hover {
  color: var(--cyan);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-groups {
  padding-block: var(--faq-pad);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-faq .group-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-bottom: 24px;
}

.page-faq .group-head__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
  opacity: 0.9;
}

.page-faq .group-head__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fog);
}

.page-faq .group-head__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-faq .push-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  background: rgba(13, 21, 38, 0.7);
}

.page-faq .push-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  opacity: 0.82;
}

.page-faq .push-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-faq .qa {
  scroll-margin-top: 130px;
  border: 1px solid var(--line);
  background: rgba(13, 21, 38, 0.5);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

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

.page-faq .qa[open] {
  border-color: rgba(56, 225, 214, 0.45);
  background: rgba(13, 21, 38, 0.85);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  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: -2px;
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--haze);
}

.page-faq .qa[open] .qa__num {
  color: var(--gold);
}

.page-faq .qa__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--fog);
}

.page-faq .qa__marker {
  flex: none;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--haze);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .qa[open] .qa__marker {
  transform: rotate(180deg);
  border-top-color: var(--cyan);
}

.page-faq .qa__body {
  padding: 0 18px 20px;
  max-width: 62ch;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

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

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 214, 0.4);
}

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

.page-faq .qa__steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: qa-step;
  border-left: 1px solid var(--line);
}

.page-faq .qa__steps li {
  position: relative;
  counter-increment: qa-step;
  padding: 0 0 10px 34px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .qa__steps li:last-child {
  padding-bottom: 0;
}

.page-faq .qa__steps li::before {
  content: counter(qa-step, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 术语表 ---------- */
.page-faq .faq-terms {
  padding-block: var(--faq-pad);
  border-top: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(30, 44, 74, 0.22) 0 1px, transparent 1px 120px),
    rgba(6, 10, 20, 0.6);
}

.page-faq .terms-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--layer);
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .terms {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: left;
}

.page-faq .terms__caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--haze);
  border-bottom: 1px solid var(--line);
}

.page-faq .terms thead th {
  padding: 12px 16px;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .terms tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  width: 148px;
  padding: 14px 16px;
  background: #0b1220;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--fog);
  border-bottom: 1px solid var(--faq-line-soft);
  border-right: 1px solid var(--line);
  vertical-align: top;
}

.page-faq .terms tbody td {
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--haze);
  border-bottom: 1px solid var(--faq-line-soft);
  vertical-align: top;
}

.page-faq .terms tbody td.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .terms tbody tr:nth-child(even) th {
  background: #0a101c;
}

.page-faq .terms tbody tr:nth-child(even) td {
  background: rgba(22, 35, 63, 0.24);
}

.page-faq .terms tbody tr:hover th,
.page-faq .terms tbody tr:hover td,
.page-faq .terms tbody tr:focus th,
.page-faq .terms tbody tr:focus td {
  background: rgba(56, 225, 214, 0.1);
}

.page-faq .terms tbody tr:hover th,
.page-faq .terms tbody tr:focus th {
  color: var(--cyan);
}

.page-faq .terms tbody tr:focus {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

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

.page-faq .terms__note {
  margin: 18px 0 0;
  max-width: 60em;
  font-size: 13px;
  line-height: 1.85;
  color: var(--haze);
}

/* ---------- 联系窄带 ---------- */
.page-faq .faq-contact {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 140% at 12% 0%, rgba(242, 193, 78, 0.09), transparent 62%),
    var(--layer);
}

.page-faq .faq-contact__inner {
  padding-block: clamp(40px, 6vw, 68px);
  display: grid;
  gap: 28px;
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fog);
}

.page-faq .faq-contact__text {
  margin: 0 0 20px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--haze);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fog);
  text-decoration: none;
  word-break: break-word;
}

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

@media (min-width: 760px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero__inner {
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-faq .qa__summary {
    padding: 18px 24px;
  }

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

  .page-faq .terms tbody th {
    width: 176px;
  }

  .page-faq .terms tbody td {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-card,
  .page-faq .qa,
  .page-faq .qa__marker {
    transition: none;
  }

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