.page-faq {
  --faq-rule: rgba(26, 21, 18, .14);
  --faq-soft: rgba(15, 59, 71, .07);

  background: var(--c-cream);
  color: var(--c-brown);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: hidden;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--c-night);
  color: var(--c-paper);
  padding: clamp(132px, 18vw, 196px) 0 clamp(36px, 6vw, 60px);
  overflow: hidden;
}

.page-faq .faq-hero__gridlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(58% 70% at 88% -12%, rgba(255, 107, 53, .18), transparent 62%),
    linear-gradient(to right, rgba(244, 232, 208, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 232, 208, .055) 1px, transparent 1px);
  background-size: 100% 100%, 66px 66px, 66px 66px;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 12px;
  color: var(--paper-dim);
}

.page-faq .faq-hero__crumb a {
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-night);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-hero__crumb a:hover,
.page-faq .faq-hero__crumb a:focus-visible {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-signal);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 7.4vw, 72px);
  line-height: 1.03;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  font-weight: 700;
  color: var(--c-signal);
}

.page-faq .faq-hero__lede {
  max-width: 58ch;
  margin: 0 0 22px;
  font-size: 16px;
  color: var(--paper-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-dim);
}

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

.page-faq .faq-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--c-signal);
}

.page-faq .faq-hero__index {
  display: grid;
  gap: 2px;
  padding: 12px;
  background: var(--c-paper);
  color: var(--c-brown);
  border: 2px solid var(--c-brown);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero__index-label {
  margin: 2px 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-rust);
}

.page-faq .faq-hero__index-link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 8px;
  font-size: 14px;
  color: var(--c-brown);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-rule);
  transition: background .18s var(--ease), transform .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-hero__index-link:last-child {
  border-bottom: 0;
}

.page-faq .faq-hero__index-link .idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-rust);
}

.page-faq .faq-hero__index-link:hover,
.page-faq .faq-hero__index-link:focus-visible {
  background: var(--c-cream);
  color: var(--c-rust);
  transform: translateX(3px);
}

/* ---------- 正文容器 ---------- */
.page-faq .faq-body {
  padding-top: clamp(34px, 6vw, 62px);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0 0 clamp(38px, 6.5vw, 70px);
  background-color: var(--c-paper);
  background-image:
    linear-gradient(rgba(26, 21, 18, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 21, 18, .07) 1px, transparent 1px);
  background-size: 26px 26px;
  border: 2px solid var(--c-brown);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-bottom: 2px solid var(--c-brown);
}

.page-faq .faq-figure--phone img {
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- 章节 ---------- */
.page-faq .step-block {
  border-top: 2px solid var(--c-brown);
  padding-top: clamp(28px, 5vw, 48px);
  margin-bottom: clamp(44px, 7.5vw, 82px);
  scroll-margin-top: clamp(120px, 18vw, 176px);
}

.page-faq .step-block__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 4px solid var(--c-rust);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-rust);
}

.page-faq .step-block__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-faq .step-block__lede {
  max-width: 62ch;
  margin: 0 0 clamp(20px, 3.4vw, 32px);
  font-size: 16px;
  color: var(--ink-soft);
}

/* ---------- 夜航带 ---------- */
.page-faq .step-block--night {
  background: var(--c-night);
  color: var(--c-paper);
  border-top-color: var(--c-night);
  margin-inline: calc(var(--gutter) * -1);
  padding: clamp(30px, 5vw, 52px) var(--gutter) clamp(34px, 5.5vw, 56px);
  box-shadow: inset 0 6px 0 var(--c-shadow), inset 0 -6px 0 var(--c-shadow);
}

.page-faq .step-block--night .step-block__tag {
  color: var(--c-signal);
  border-left-color: var(--c-signal);
}

.page-faq .step-block--night .step-block__title {
  color: var(--c-paper);
}

.page-faq .step-block--night .step-block__lede {
  color: var(--paper-soft);
}

.page-faq .step-block--night .step {
  border-bottom-color: var(--line-night);
}

.page-faq .step-block--night .step__num {
  color: var(--c-signal);
}

.page-faq .step-block--night .step__title {
  color: var(--c-paper);
}

.page-faq .step-block--night .step__text {
  color: var(--paper-soft);
}

/* ---------- 步骤列表 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0 18px;
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .step:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .step__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-rust);
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
}

.page-faq .step__text {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-faq .step__hint {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-deep);
  background: var(--faq-soft);
}

/* ---------- 进度只读示意 ---------- */
.page-faq .progress-demo {
  margin-top: 22px;
  padding: 16px;
  border: 2px solid var(--line-night);
  background: rgba(244, 232, 208, .05);
}

.page-faq .progress-demo__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-dim);
}

.page-faq .progress-demo__value {
  font-size: 18px;
  font-weight: 600;
  color: var(--c-signal);
}

.page-faq .progress-demo__bar {
  position: relative;
  height: 10px;
  overflow: hidden;
  background: rgba(244, 232, 208, .14);
  border: 1px solid var(--line-night);
}

.page-faq .progress-demo__fill {
  display: block;
  width: 72%;
  height: 100%;
  background: linear-gradient(90deg, var(--c-rust), var(--c-signal));
}

.page-faq .progress-demo__foot {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--paper-dim);
}

/* ---------- 移动端示意 ---------- */
.page-faq .mobile-demo {
  max-width: 380px;
  margin-top: 24px;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: var(--shadow-hard);
}

.page-faq .mobile-demo__screen {
  display: grid;
  gap: 8px;
  padding: 14px 14px 18px;
  border-bottom: 2px solid var(--c-brown);
}

.page-faq .mobile-demo__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.page-faq .mobile-demo__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 9px;
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--faq-soft);
  border-left: 3px solid var(--c-deep);
}

.page-faq .mobile-demo__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-proof);
}

.page-faq .mobile-demo__dock {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px;
  background: var(--c-cream);
}

.page-faq .mobile-demo__dock .dock-btn {
  padding: 10px 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-brown);
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: 3px 3px 0 var(--c-shadow);
  cursor: pointer;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .mobile-demo__dock .dock-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--c-shadow);
}

.page-faq .mobile-demo__dock .dock-btn[aria-pressed="true"] {
  color: #06181D;
  background: var(--c-proof);
  border-color: var(--c-shadow);
  box-shadow: 1px 1px 0 var(--c-shadow);
  transform: translate(2px, 2px);
}

/* ---------- 对比 ---------- */
.page-faq .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .compare-card {
  padding: 16px;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: var(--shadow-hard);
}

.page-faq .compare-card--new {
  border-color: var(--c-proof);
  box-shadow: 6px 6px 0 rgba(56, 178, 107, .38);
}

.page-faq .compare-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--faq-rule);
}

.page-faq .compare-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
}

.page-faq .compare-card__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-steel);
}

.page-faq .proof-badge {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: #06181D;
  background: var(--c-proof);
}

.page-faq .compare-card__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .compare-card__rows li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 5px;
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .compare-card__rows li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .compare-notes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .compare-notes li {
  padding-left: 14px;
  border-left: 4px solid var(--c-proof);
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 2px solid var(--c-brown);
}

.page-faq .faq-item {
  border-bottom: 2px solid var(--c-brown);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--c-brown);
  cursor: pointer;
  list-style: none;
  transition: color .16s var(--ease), padding-left .16s var(--ease), background .16s var(--ease);
}

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

.page-faq .faq-item__q::before {
  content: "Q";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-rust);
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-rust);
  transition: transform .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--c-rust);
  padding-left: 12px;
  background: var(--faq-soft);
}

.page-faq .faq-item__a {
  margin: 0 0 18px 5px;
  padding: 2px 6px 2px 14px;
  border-left: 3px solid var(--c-proof);
  font-size: 15px;
  color: var(--ink-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 8px;
}

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

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  border-top: 2px solid var(--c-brown);
  padding-top: clamp(26px, 4.5vw, 42px);
}

.page-faq .faq-next__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 34px);
  letter-spacing: -.01em;
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-brown);
  text-decoration: none;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: 4px 4px 0 var(--c-shadow);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), background .16s var(--ease);
}

.page-faq .faq-next__link .arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-rust);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--c-shadow);
  background: var(--c-cream);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .58fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: end;
  }

  .page-faq .faq-hero__index {
    padding: 14px;
  }

  .page-faq .step {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0 22px;
  }

  .page-faq .step__num {
    font-size: 26px;
  }

  .page-faq .mobile-demo {
    max-width: 420px;
  }
}

@media (min-width: 1080px) {
  .page-faq .step-block--night {
    margin-inline: calc((100vw - min(100vw, var(--shell))) / -2);
    padding-inline: max(var(--gutter), calc((100vw - min(100vw, var(--shell))) / 2));
  }
}
</style>
<<<PAGE_CSS_END>>>