.page-faq {
  --faq-section-pad: clamp(38px, 5vw, 78px);
  --faq-gap: clamp(18px, 2.6vw, 34px);
  --faq-body: #BFD8D0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 48px) 0 clamp(32px, 5vw, 66px);
  background:
    radial-gradient(90% 72% at 88% 0%, rgba(44, 245, 212, 0.16), rgba(44, 245, 212, 0) 62%),
    linear-gradient(158deg, #0F2A24 0%, #0A0F0D 72%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 255, 233, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 255, 233, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero__shell {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero .crumb a {
  color: var(--mint);
  text-decoration: none;
}

.page-faq .faq-hero .crumb a:hover,
.page-faq .faq-hero .crumb a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero .eyebrow {
  margin: 18px 0 0;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: #EAFBF5;
  max-width: 22ch;
}

.page-faq .faq-hero h1 em {
  display: inline-block;
  font-style: normal;
  color: var(--cyan);
  background: linear-gradient(180deg, rgba(44, 245, 212, 0.16), rgba(44, 245, 212, 0));
  padding: 0 4px 2px;
  border-bottom: 2px solid rgba(44, 245, 212, 0.55);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-jump {
  margin-top: clamp(22px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 15, 13, 0.55);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: rgba(44, 245, 212, 0.6);
  background: rgba(44, 245, 212, 0.12);
  transform: translateY(-1px);
}

.page-faq .faq-facts {
  margin-top: clamp(22px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-faq .faq-fact {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  color: var(--mint);
  letter-spacing: 0.01em;
}

.page-faq .faq-fact__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__media .media {
  border-radius: var(--r-lg);
  border: 1px solid rgba(44, 245, 212, 0.24);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.9);
  overflow: hidden;
}

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

.page-faq .faq-hero__media .media__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: var(--faq-section-pad) 0;
}

.page-faq .faq-section--alt {
  background: linear-gradient(180deg, rgba(15, 42, 36, 0.6), rgba(10, 15, 13, 0.1));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-head .eyebrow {
  margin: 0;
}

.page-faq .faq-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-faq .faq-head p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 分类索引 + 问答 ---------- */
.page-faq .faq-board {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-index {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(18, 59, 50, 0.72), rgba(10, 15, 13, 0.7));
}

.page-faq .faq-index h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 22px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

.page-faq .faq-index__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 14.5px;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(44, 245, 212, 0.1);
  border-color: var(--line);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-index__label {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .faq-support {
  margin-top: 18px;
  padding: 15px 14px;
  border: 1px solid rgba(124, 92, 255, 0.35);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(44, 245, 212, 0.12), rgba(124, 92, 255, 0.14));
}

.page-faq .faq-support__title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: #EAFBF5;
}

.page-faq .faq-support__text {
  margin: 8px 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-body);
}

.page-faq .faq-support__val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mint);
  overflow-wrap: anywhere;
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(26px, 3.4vw, 44px);
}

.page-faq .faq-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: 0.02em;
  color: #EAFBF5;
  scroll-margin-top: 92px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 59, 50, 0.34);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .faq-q summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

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

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--r-md);
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  color: var(--cyan);
  letter-spacing: 0.05em;
}

.page-faq .faq-q__title {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .faq-q__mark {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-q[open] {
  border-color: rgba(44, 245, 212, 0.42);
  background: rgba(18, 59, 50, 0.62);
}

.page-faq .faq-q[open] .faq-q__mark {
  transform: rotate(45deg);
  background: rgba(44, 245, 212, 0.16);
}

.page-faq .faq-q__body {
  padding: 0 16px 18px;
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

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

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

/* ---------- 场景步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, rgba(18, 59, 50, 0.72), rgba(10, 15, 13, 0.62));
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, transparent 50%, rgba(44, 245, 212, 0.14) 50%);
  pointer-events: none;
}

.page-faq .faq-step__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: rgba(44, 245, 212, 0.85);
}

.page-faq .faq-step h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #EAFBF5;
}

.page-faq .faq-step ol {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 7px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--faq-body);
}

.page-faq .faq-step ol li::marker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--yellow);
}

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

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: stretch;
}

.page-faq .faq-contact__card {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(44, 245, 212, 0.3);
  border-radius: var(--r-lg);
  background: linear-gradient(152deg, rgba(18, 59, 50, 0.92), rgba(15, 42, 36, 0.55));
}

.page-faq .faq-contact__card .eyebrow {
  margin: 0;
}

.page-faq .faq-contact__card h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: #EAFBF5;
}

.page-faq .faq-contact__lead {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-body);
}

.page-faq .faq-contact__list {
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

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

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-contact__row dd {
  margin: 0;
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2vw, 19px);
  color: var(--mint);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__val--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .faq-contact__media {
  display: flex;
  min-width: 0;
}

.page-faq .faq-contact__media .media {
  flex: 1;
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

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

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 28px 0 0;
  font-size: 14px;
}

.page-faq .faq-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 245, 212, 0.35);
  padding-bottom: 2px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-q summary {
    padding: 16px 20px;
  }

  .page-faq .faq-q__body {
    padding: 0 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__shell {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-faq .faq-board {
    grid-template-columns: 268px minmax(0, 1fr);
  }

  .page-faq .faq-board__index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-contact__media .media {
    min-height: 100%;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-index a,
  .page-faq .faq-q,
  .page-faq .faq-q__mark {
    transition: none;
  }

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