.page-faq {
  --faq-text: var(--mineral-linen);
  --faq-muted: var(--mineral-stone);
  --faq-line: var(--hairline);
  --faq-accent: var(--cyan);
  color: var(--faq-text);
}

/* 上下文提示 */
.page-faq .faq-crumb {
  padding-top: 18px;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 4vw, 40px) 0 var(--section-y);
  background:
    radial-gradient(115% 85% at 92% 4%, rgba(18, 230, 192, 0.12), transparent 62%),
    linear-gradient(160deg, var(--bg-moss) 0%, var(--bg-pitch) 66%);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(18, 230, 192, 0) 58%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.12;
  font-weight: 900;
  font-stretch: 87%;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 14px;
  font-size: var(--fs-14);
  color: var(--mineral-linen);
  text-decoration: none;
  background: var(--glass);
  border: 1px solid var(--hairline-cyan);
  border-radius: var(--radius);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--glass-strong);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* 关键数值条 */
.page-faq .faq-meters {
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-meter {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-meter__key {
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--faq-muted);
}

.page-faq .faq-meter__val {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 700;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-meter__val--price {
  color: var(--orange);
}

/* 章节 */
.page-faq .faq-block {
  padding: var(--section-y) 0;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-block--moss {
  background: var(--bg-moss);
}

.page-faq .faq-block--linen {
  background: var(--mineral-linen);
  color: var(--ink);
  --faq-text: var(--ink);
  --faq-muted: rgba(11, 20, 16, 0.68);
  --faq-line: rgba(11, 20, 16, 0.14);
  --faq-accent: var(--mineral-clay);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-faq .faq-block__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faq-accent);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.18;
  font-weight: 900;
  font-stretch: 87%;
  letter-spacing: -0.01em;
  color: var(--faq-text);
}

.page-faq .faq-block__lead {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 68ch;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-block h3 {
  margin: 0 0 10px;
  font-size: var(--fs-18);
  line-height: 1.4;
  font-weight: 800;
  color: var(--faq-text);
}

/* 三步轨道 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: grid;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-steps > li {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-steps__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1;
  font-weight: 700;
  color: var(--faq-accent);
}

.page-faq .faq-steps p {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--faq-muted);
}

/* 图片 */
.page-faq .faq-figure {
  margin: clamp(20px, 4vw, 36px) 0 0;
}

.page-faq .faq-figure .figure__media {
  margin: 0;
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
}

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

.page-faq .faq-figure .figure__cap {
  margin-top: 10px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--faq-muted);
}

/* 两列对照 */
.page-faq .faq-compare {
  display: grid;
  gap: 24px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-compare__col {
  padding-top: 16px;
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-compare__col p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-mark {
  background: none;
  color: var(--faq-text);
  padding-bottom: 1px;
  box-shadow: inset 0 -2px 0 var(--mineral-clay);
}

/* 问答 */
.page-faq .faq-qa {
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-q__sum {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 800;
  line-height: 1.45;
  color: var(--faq-text);
  transition: color 0.18s ease;
}

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

.page-faq .faq-q__sum:hover,
.page-faq .faq-q__sum:focus-visible {
  color: var(--faq-accent);
}

.page-faq .faq-q__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-q__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--faq-muted);
}

.page-faq .faq-q__arrow {
  margin-top: 8px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--faq-accent);
  transition: transform 0.2s ease;
}

.page-faq .faq-q[open] .faq-q__arrow {
  transform: rotate(180deg);
}

.page-faq .faq-q__body {
  padding: 0 0 22px;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--faq-muted);
}

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

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

.page-faq .faq-link {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--faq-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--faq-accent);
}

/* 有序讲解列表 */
.page-faq .faq-ol {
  margin: 0;
  padding: 0 0 0 1.35em;
  max-width: 60ch;
}

.page-faq .faq-ol li {
  margin-bottom: 12px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--faq-muted);
}

.page-faq .faq-ol li::marker {
  font-family: var(--font-mono);
  color: var(--faq-accent);
}

/* iOS 区块 */
.page-faq .faq-ios {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-ios__figure {
  margin: 0;
  max-width: 420px;
}

/* 刷新节奏表 */
.page-faq .faq-tablewrap {
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-16);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--faq-line);
  vertical-align: top;
}

.page-faq .faq-table th {
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-table td {
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-table td:first-child {
  width: 34%;
  font-weight: 700;
}

.page-faq .faq-table .num {
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  color: var(--faq-accent);
}

.page-faq .faq-q__body .num {
  font-family: var(--font-mono);
  color: var(--faq-accent);
}

/* 结尾引导 */
.page-faq .faq-cta {
  border-bottom: none;
}

.page-faq .faq-cta__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .faq-cta__grid p {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--faq-muted);
}

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

/* 平板及以上 */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 32px;
  }

  .page-faq .faq-steps > li {
    border-bottom: none;
    border-top: 1px solid var(--faq-line);
    padding-top: 20px;
  }

  .page-faq .faq-compare {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .page-faq .faq-qa {
    max-width: 100%;
  }

  .page-faq .faq-cta__grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: end;
  }

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

/* 桌面：58 / 42 对角分割 */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 58fr 42fr;
    align-items: end;
  }

  .page-faq .faq-ios {
    grid-template-columns: 58fr 42fr;
    align-items: start;
  }

  .page-faq .faq-ios__figure {
    max-width: none;
    margin-top: 8px;
  }

  .page-faq .faq-table td:first-child {
    width: 26%;
  }

  .page-faq .faq-q__sum {
    grid-template-columns: 56px 1fr auto;
    gap: 20px;
  }

  .page-faq .faq-q__body {
    padding-left: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__arrow,
  .page-faq .faq-jump a,
  .page-faq .faq-q__sum {
    transition: none;
  }
}
<<<END>>>