.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 var(--space-4);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -18%;
  width: 76vw;
  height: 76vw;
  max-width: 880px;
  max-height: 880px;
  border-radius: 50%;
  background:
    repeating-linear-gradient(24deg, rgba(43, 227, 214, .10) 0 1px, transparent 1px 24px),
    radial-gradient(circle at 68% 34%, rgba(255, 106, 26, .22), transparent 62%);
  opacity: .8;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  display: inline-block;
  color: var(--orange);
  transform: skewX(-8deg);
}

.page-faq .faq-hero__intro {
  margin: var(--space-2) 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--field);
}

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

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  position: relative;
  margin-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--dim);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-faq .faq-index__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 18px;
  gap: 4px 12px;
  align-items: start;
  padding: 14px 6px;
  border-radius: var(--r-sm);
  color: inherit;
  text-decoration: none;
  transition: background-color .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(255, 106, 26, .09);
  transform: translateX(4px);
}

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

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
  padding-top: 2px;
}

.page-faq .faq-index__body {
  display: block;
  min-width: 0;
}

.page-faq .faq-index__title {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ivory);
  line-height: 1.5;
}

.page-faq .faq-index__stage {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid rgba(43, 227, 214, .35);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--cyan);
  vertical-align: 2px;
  white-space: nowrap;
}

.page-faq .faq-index__desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

.page-faq .faq-index__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  padding-top: 2px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: var(--space-4);
  scroll-margin-top: 96px;
}

.page-faq .faq-section__head {
  display: grid;
  gap: 10px;
  padding-top: var(--space-2);
  margin-bottom: var(--space-3);
  border-top: 1px solid var(--line);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-faq .faq-section__lead {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-section__lead a,
.page-faq .faq-item__a a,
.page-faq .faq-aside__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 214, .4);
}

.page-faq .faq-section__lead a:hover,
.page-faq .faq-item__a a:hover,
.page-faq .faq-aside__note a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 106, 26, .5);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: start;
}

.page-faq .faq-aside {
  display: grid;
  gap: var(--space-2);
}

.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--field);
}

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

.page-faq .faq-aside__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--field);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-item:hover,
.page-faq .faq-item:focus-within {
  border-color: rgba(43, 227, 214, .45);
}

.page-faq .faq-item[open] {
  background: linear-gradient(170deg, rgba(14, 31, 58, .96), rgba(7, 20, 39, .96));
  border-color: rgba(43, 227, 214, .32);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 22px;
  gap: 12px;
  align-items: start;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--r-lg);
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-item__text {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ivory);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(90deg);
  border-color: rgba(255, 106, 26, .6);
}

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

.page-faq .faq-item__a {
  padding: 0 16px 18px;
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.85;
}

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

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

/* ---------- 步骤容器 ---------- */
.page-faq .faq-steps {
  border-radius: var(--r-xl);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(14, 31, 58, .96), rgba(7, 20, 39, .92));
  padding: clamp(16px, 3vw, 26px);
}

.page-faq .faq-steps__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--dim);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps__list li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-steps__list li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--orange);
  padding-top: 3px;
}

/* ---------- 判据引文 ---------- */
.page-faq .faq-callout {
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(199, 208, 218, .09);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-callout__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--cyan);
}

/* ---------- 指标条 ---------- */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: var(--space-3);
}

.page-faq .faq-stat {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(14, 31, 58, .7);
}

.page-faq .faq-stat__value {
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: .02em;
  color: var(--orange);
  line-height: 1.2;
}

.page-faq .faq-stat__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dim);
}

/* ---------- 渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-channel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: var(--field);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-channel:hover {
  border-color: rgba(43, 227, 214, .4);
  transform: translateY(-2px);
}

.page-faq .faq-channel__k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-channel__t {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  color: var(--ivory);
  letter-spacing: -.01em;
}

.page-faq .faq-channel__d {
  margin: 0;
  flex: 1;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-channel__cta {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, .45);
  transition: color .16s var(--ease);
}

.page-faq .faq-channel__cta:hover {
  color: var(--orange-2);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: var(--space-4);
  padding: clamp(22px, 4vw, 44px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line-soft);
  background: linear-gradient(120deg, rgba(255, 106, 26, .16), rgba(43, 227, 214, .12));
}

.page-faq .faq-outro__text {
  margin: 0;
  max-width: 30em;
  font-size: clamp(18px, 2.4vw, 26px);
  line-height: 1.5;
  font-weight: 900;
  color: var(--ivory);
  letter-spacing: -.01em;
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-2);
}

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

@media (min-width: 760px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-3);
  }

  .page-faq .faq-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    grid-template-columns: 40px minmax(0, 1fr) 24px;
    padding: 18px 20px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 20px 72px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .8fr);
    gap: var(--space-4);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
    gap: var(--space-3);
  }

  .page-faq .faq-section {
    padding-top: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-channel,
  .page-faq .faq-channel__cta {
    transition: none;
  }

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