.page-faq {
  --faq-line: 2px solid var(--ink);
  --faq-shadow: 5px 5px 0 var(--ink);
  --faq-shadow-soft: 5px 5px 0 rgba(11, 34, 57, 0.22);
  background: var(--bone);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ice-deep);
  color: var(--bone);
  padding-block: clamp(26px, 5vw, 44px) clamp(34px, 6vw, 62px);
  border-bottom: var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(159, 176, 192, 0.1) 0 1px,
    transparent 1px 86px
  );
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-hero .kicker {
  color: var(--aurora);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9.4vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--bone);
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.86);
  margin: 0;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 5vw, 40px) 0 0;
  background: rgba(159, 176, 192, 0.32);
  border: 1px solid rgba(159, 176, 192, 0.32);
}

.page-faq .faq-hero__facts > div {
  background: var(--ice-deep);
  padding: 14px 16px;
}

.page-faq .faq-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-faq .faq-hero__facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 4vw, 28px);
  color: var(--ivory);
  line-height: 1.05;
}

/* ---------- 主题跳转条 ---------- */

.page-faq .faq-jump {
  background: var(--cream);
  border-bottom: var(--faq-line);
}

.page-faq .faq-jump__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__list a {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  border: 2px solid var(--ink);
  background: var(--bone);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible,
.page-faq .faq-jump__list a.is-active {
  background: var(--lava);
  color: var(--bone);
  transform: translate(-1px, -1px);
}

/* ---------- 通用章节 ---------- */

.page-faq .faq-sec {
  padding-block: clamp(40px, 7vw, 78px);
  border-bottom: var(--faq-line);
}

.page-faq .faq-sec--last {
  border-bottom: var(--faq-line);
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 12px;
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-faq .faq-sec__head .section-number {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lava);
  border-bottom: 2px solid var(--lava);
  padding-bottom: 4px;
}

.page-faq .faq-sec__head .h-section {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-sec__intro {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-faq .faq-subhead {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}

/* ---------- 折叠问答卡片 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-list--wide {
  max-width: 960px;
}

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

.page-faq .faq-list--narrow {
  max-width: 840px;
}

.page-faq .faq-list--tight {
  max-width: 720px;
}

.page-faq .faq-item {
  border: var(--faq-line);
  background: var(--bone);
  box-shadow: var(--faq-shadow);
  transition: box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  background: #fffdf9;
  box-shadow: 5px 5px 0 var(--lava);
}

.page-faq .faq-item__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--ink);
}

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

.page-faq .faq-item__q::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.2;
  color: var(--lava);
}

.page-faq .faq-item[open] .faq-item__q::before {
  content: "–";
}

.page-faq .faq-item__q:hover {
  background: rgba(226, 84, 43, 0.07);
}

.page-faq .faq-item__q:focus-visible {
  outline: 3px solid var(--lava);
  outline-offset: -3px;
}

.page-faq .faq-item__a {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px dashed rgba(23, 18, 15, 0.28);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

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

/* ---------- 步骤编号 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 12px 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  background: var(--ice-deep);
  color: var(--ivory);
  padding: 3px 7px;
  line-height: 1.5;
}

/* ---------- 设备适配章节 ---------- */

.page-faq .faq-fit__layout {
  display: grid;
  gap: 24px;
}

.page-faq .faq-fit__figure {
  border: var(--faq-line);
  box-shadow: var(--faq-shadow-soft);
  background: var(--cream);
  margin: 0;
}

.page-faq .faq-fit__figure .media-frame__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding: 10px 12px;
  background: var(--cream);
  border-top: 2px solid var(--ink);
}

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

.page-faq .faq-check__item label {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 13px 14px;
  background: var(--cream);
  border: var(--faq-line);
  cursor: pointer;
  transition: background 0.2s var(--ease);
}

.page-faq .faq-check__item label:hover {
  background: #eee4d2;
}

.page-faq .faq-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 2px solid var(--ink);
  background: var(--bone);
  position: relative;
  flex: 0 0 auto;
  cursor: pointer;
}

.page-faq .faq-check__box:checked {
  background: var(--aurora);
}

.page-faq .faq-check__box:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-faq .faq-check__box:focus-visible {
  outline: 3px solid var(--lava);
  outline-offset: 2px;
}

.page-faq .faq-check__item label:has(.faq-check__box:checked) {
  background: rgba(47, 198, 160, 0.18);
}

.page-faq .faq-check__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lava);
  padding-top: 4px;
}

.page-faq .faq-check__t {
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 订阅章节 ---------- */

.page-faq .faq-sub__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-sub__figure {
  border: var(--faq-line);
  box-shadow: var(--faq-shadow);
  background: var(--bone);
  margin: 0;
}

.page-faq .faq-sub__figure .media-frame__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding: 10px 12px;
  background: var(--bone);
  border-top: 2px solid var(--ink);
}

.page-faq .faq-sec#faq-sub .faq-item {
  background: var(--bone);
}

/* ---------- 底部行动区 ---------- */

.page-faq .faq-cta {
  background: var(--ice-deep);
  color: var(--bone);
  border-bottom: 0;
  padding-block: clamp(40px, 7vw, 72px);
}

.page-faq .faq-cta .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--aurora);
  margin: 0 0 12px;
}

.page-faq .faq-cta .h-section {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.1;
  color: var(--bone);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.page-faq .faq-cta__link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 2px solid var(--ivory);
  padding-bottom: 3px;
}

.page-faq .faq-cta__link:hover,
.page-faq .faq-cta__link:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

.page-faq .faq-cta__meta {
  margin: clamp(26px, 5vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(159, 176, 192, 0.35);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 72ch;
}

.page-faq .faq-cta__meta a {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid var(--ivory);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    font-size: 17.5px;
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    margin: 0 20px;
    font-size: 16px;
  }

  .page-faq .faq-list {
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-fit__layout {
    grid-template-columns: 1.1fr 1fr;
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-sub__grid {
    grid-template-columns: minmax(0, 1fr) 0.68fr;
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-sub__figure {
    margin-top: 6px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-list--tight {
    margin-left: clamp(0px, 4vw, 56px);
  }

  .page-faq .faq-list--narrow {
    margin-left: clamp(0px, 2vw, 24px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-sec__head {
    max-width: 68ch;
  }

  .page-faq .faq-fit__layout {
    grid-template-columns: 1.18fr 1fr;
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__list a,
  .page-faq .faq-item,
  .page-faq .faq-check__item label {
    transition: none;
  }

  .page-faq .faq-jump__list a:hover,
  .page-faq .faq-jump__list a:focus-visible,
  .page-faq .faq-jump__list a.is-active {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>