.page-faq {
  --faq-gap: clamp(16px, 2.4vw, 24px);
  --faq-line: rgba(95, 242, 224, 0.16);
  --faq-hair: rgba(232, 241, 255, 0.08);
  color: var(--paper);
  background-image:
    linear-gradient(158deg, rgba(95, 242, 224, 0.05), transparent 42%, rgba(168, 139, 224, 0.06)),
    linear-gradient(0deg, rgba(11, 18, 32, 0), rgba(11, 18, 32, 0));
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(18px, 3.4vw, 36px);
  padding-bottom: clamp(8px, 1.6vw, 16px);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 14px;
  font-size: 0.75rem;
}

.page-faq .status-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
  margin-bottom: clamp(20px, 3.2vw, 34px);
  padding: 10px 0;
  border-top: 2px solid var(--ink-700);
  border-bottom: 2px solid var(--ink-700);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-faq .status-strip .is-key {
  color: var(--cyan);
}

.page-faq .faq-hero__body h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 3.3rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 20ch;
  color: var(--paper);
}

.page-faq .faq-hero__body p {
  max-width: 46ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--soft);
}

/* ---------- 通用小节标题 ---------- */

.page-faq .faq-head {
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq .faq-head p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- 三条快答 ---------- */

.page-faq .faq-quick__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-quick__card {
  position: relative;
  background: var(--ink-800);
  border: 2px solid var(--ink-700);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  padding: 16px 16px 18px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-quick__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-lg);
}

.page-faq .faq-quick__num {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-faq .faq-quick__card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.25;
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-quick__card ol {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .faq-quick__card ol li {
  position: relative;
  counter-increment: step;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: 0.875rem;
  line-height: 1.62;
  color: var(--soft);
}

.page-faq .faq-quick__card ol li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-quick__card ol li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 折叠问答双列 ---------- */

.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-aside {
  border-left: 2px solid var(--cyan-a22);
  padding-left: 14px;
}

.page-faq .faq-aside__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-faq .faq-aside h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq .faq-aside__lead {
  margin: 0 0 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mute);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-index a {
  display: flex;
  gap: 8px;
  padding: 7px 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--mute);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-index a .mono {
  flex: none;
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--paper);
  padding-left: 4px;
  outline: none;
}

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

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  background: var(--ink-800);
  border: 2px solid var(--ink-700);
  border-left: 4px solid var(--ink-700);
  border-radius: var(--radius);
  margin-bottom: 10px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur-slow) var(--ease);
}

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

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9063rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary:hover {
  color: var(--cyan);
}

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

.page-faq .faq-item__mark {
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  margin-left: auto;
  margin-top: 3px;
  border: 2px solid var(--mute);
  border-radius: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--mute);
  transition: opacity var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

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

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--faq-hair);
  font-size: 0.9063rem;
  line-height: 1.78;
  color: var(--soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a22);
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-item__a ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
}

.page-faq .faq-item__a ol li {
  position: relative;
  counter-increment: s;
  padding-left: 30px;
  margin-bottom: 9px;
}

.page-faq .faq-item__a ol li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a ol li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 0 4px;
  border: 1px solid var(--cyan-a22);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 图片 ---------- */

.page-faq .media-frame {
  margin: 0 0 18px;
  border: 2px solid var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .media-frame figcaption {
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--mute);
  background: var(--ink-800);
  border-top: 2px solid var(--ink-700);
}

.page-faq .faq-config-figure {
  border-color: var(--ink-700);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-help {
  border: 2px solid var(--ink-700);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 28px);
}

.page-faq .faq-help__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3.2vw, 1.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  max-width: 24ch;
  color: var(--paper);
}

.page-faq .faq-help__head p {
  margin: 0 0 clamp(16px, 2.6vw, 22px);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--soft);
  max-width: 42ch;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  background: var(--ink-700);
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-help__list li:hover {
  border-color: var(--cyan-a22);
}

.page-faq .faq-help__list .mono {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-help__list strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-faq .faq-help__list p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mute);
}

.page-faq .next-step {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-faq .next-step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--soft);
}

/* ---------- 响应式 ---------- */

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

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

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

  .page-faq .faq-item summary {
    padding: 15px 18px;
    font-size: 0.9375rem;
  }

  .page-faq .faq-item__a {
    padding: 16px 18px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
    gap: clamp(28px, 4.4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding-left: 18px;
  }

  .page-faq .faq-index {
    display: block;
  }

  .page-faq .faq-block--spec .faq-config-figure {
    max-width: 640px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-help {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    column-gap: clamp(24px, 3.4vw, 48px);
    align-items: start;
  }

  .page-faq .faq-help__head {
    grid-column: 1;
  }

  .page-faq .faq-help__list {
    grid-column: 2;
    margin-bottom: clamp(20px, 3vw, 28px);
  }

  .page-faq .next-step {
    grid-column: 1 / -1;
    margin-top: 4px;
    padding-top: clamp(16px, 2vw, 22px);
    border-top: 2px solid var(--ink-700);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-item,
  .page-faq .faq-item summary,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-index a,
  .page-faq .faq-help__list li {
    transition: none;
  }

  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}
<<<END>>>