.page-faq {
  --faq-rail-w: 218px;
  --faq-gap: 44px;
  --faq-edge: 2px solid var(--c-dai);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--c-dai);
  color: var(--c-paper);
  padding: 28px 0 60px;
  position: relative;
}

.page-faq .faq-hero__crumb {
  margin-bottom: 34px;
}

.page-faq .faq-hero__crumb a,
.page-faq .faq-hero__crumb li {
  color: rgba(244, 239, 228, .74);
}

.page-faq .faq-hero__crumb a:hover {
  color: var(--c-amber);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-hero .eyebrow {
  color: var(--c-amber);
  margin: 0 0 18px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.12;
  letter-spacing: -.012em;
  margin: 0 0 20px;
  color: var(--c-paper);
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(244, 239, 228, .84);
  margin: 0 0 28px;
  max-width: 34em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.page-faq .faq-hero__note {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(198, 204, 206, .78);
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-cinnabar);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 2px solid var(--c-silver);
  box-shadow: 10px 10px 0 rgba(217, 152, 63, .34);
}

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

.page-faq .faq-hero__figure .media-frame__caption {
  background: var(--c-night);
  color: rgba(244, 239, 228, .8);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 主体 ---------- */
.page-faq .faq-main {
  background: var(--c-paper);
  padding: 40px 0 76px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 目录索引 ---------- */
.page-faq .faq-rail {
  border-bottom: var(--faq-edge);
  padding-bottom: 14px;
}

.page-faq .faq-rail__title {
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-jade);
  margin: 0 0 10px;
}

.page-faq .anchor-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.page-faq .anchor-rail__link {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-ink);
  text-decoration: none;
  padding: 8px 10px;
  border-bottom: 3px solid var(--c-silver);
  transition: border-color var(--ease), background-color var(--ease), color var(--ease);
}

.page-faq .anchor-rail__link:hover,
.page-faq .anchor-rail__link:focus-visible {
  border-bottom-color: var(--c-amber);
  background: var(--c-amber-soft);
  color: var(--c-night);
}

.page-faq .anchor-rail__link[aria-current="true"],
.page-faq .anchor-rail__link.is-active {
  border-bottom-color: var(--c-amber);
  color: var(--c-cinnabar);
  font-weight: 600;
}

/* ---------- 区段标题 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 96px;
  margin-bottom: 58px;
}

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

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  align-items: baseline;
  border-top: 3px solid var(--c-dai);
  padding-top: 22px;
  margin-bottom: 26px;
}

.page-faq .faq-block__num {
  font-size: 26px;
  line-height: 1;
  font-weight: 700;
  color: var(--c-amber);
  letter-spacing: .02em;
}

.page-faq .faq-block__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.26;
  letter-spacing: -.008em;
  color: var(--c-ink);
  margin: 0;
}

.page-faq .faq-block__lead {
  grid-column: 2;
  margin: 0;
  font-size: 16px;
  line-height: 1.88;
  color: rgba(16, 26, 30, .78);
  max-width: 38em;
}

/* ---------- 抽屉 ---------- */
.page-faq .faq-drawers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-drawer {
  position: relative;
  background: #fff;
  border: var(--faq-edge);
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--ease);
}

.page-faq .faq-drawer[open] {
  box-shadow: 7px 7px 0 rgba(217, 152, 63, .45);
}

.page-faq .faq-drawer[open]::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--c-amber);
}

.page-faq .faq-drawer__summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto 20px;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--ease);
}

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

.page-faq .faq-drawer__summary:hover {
  background: var(--c-amber-soft);
}

.page-faq .faq-drawer__summary:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: -2px;
}

.page-faq .faq-drawer__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  background: var(--c-dai);
  color: var(--c-amber);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: background-color var(--ease), color var(--ease);
}

.page-faq .faq-drawer[open] .faq-drawer__num {
  background: var(--c-amber);
  color: var(--c-night);
}

.page-faq .faq-drawer__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-ink);
  letter-spacing: .004em;
}

.page-faq .faq-drawer__count {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-jade);
  border: 1px solid var(--c-silver);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-faq .faq-drawer__handle {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-dai);
  border-bottom: 2px solid var(--c-dai);
  margin-bottom: 4px;
  transform: rotate(45deg);
  transition: transform var(--ease), border-color var(--ease);
}

.page-faq .faq-drawer[open] .faq-drawer__handle {
  transform: rotate(225deg);
  margin-bottom: -2px;
  border-color: var(--c-amber);
}

.page-faq .faq-drawer__list {
  list-style: none;
  margin: 0;
  padding: 4px 18px 16px 76px;
  counter-reset: faqitem;
}

.page-faq .faq-drawer__list li {
  counter-increment: faqitem;
  position: relative;
  padding: 11px 8px 11px 34px;
  border-bottom: 1px dashed rgba(16, 26, 30, .2);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-ink);
  transition: background-color var(--ease), padding-left var(--ease);
}

.page-faq .faq-drawer__list li::before {
  content: counter(faqitem, decimal-leading-zero);
  position: absolute;
  left: 6px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-jade);
}

.page-faq .faq-drawer__list li:hover {
  background: var(--c-amber-soft);
  padding-left: 42px;
}

.page-faq .faq-drawer__list li:last-child {
  border-bottom: none;
}

/* ---------- 平板那一条 ---------- */
.page-faq .faq-panel {
  display: grid;
  border: var(--faq-edge);
  background: #fff;
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-panel__body {
  padding: 26px 22px 24px;
}

.page-faq .faq-panel__aside {
  background: var(--c-dai);
  color: var(--c-paper);
  padding: 22px;
  border-top: var(--faq-edge);
}

.page-faq .faq-panel__tag {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-amber);
  margin: 0 0 12px;
}

.page-faq .faq-panel__pos {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.5;
  margin: 0 0 4px;
}

.page-faq .faq-specs {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-faq .faq-specs li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(16, 26, 30, .14);
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(16, 26, 30, .86);
}

.page-faq .faq-specs li span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-jade);
}

/* ---------- 排查步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border: var(--faq-edge);
  background: #fff;
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  border-bottom: 1px solid rgba(16, 26, 30, .16);
}

.page-faq .faq-step:last-child {
  border-bottom: none;
}

.page-faq .faq-step__num {
  display: block;
  padding: 24px 0;
  text-align: center;
  background: var(--c-paper);
  border-right: var(--faq-edge);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-cinnabar);
}

.page-faq .faq-step__body {
  padding: 20px 20px 22px;
}

.page-faq .faq-step__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--c-ink);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.84;
  color: rgba(16, 26, 30, .8);
  max-width: 40em;
}

/* ---------- 检索问答 ---------- */
.page-faq .faq-qa-grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-qa {
  background: #fff;
  border: var(--faq-edge);
  border-left: 6px solid var(--c-jade);
  padding: 20px 22px 22px;
  box-shadow: var(--shadow-soft);
  transition: border-left-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-faq .faq-qa:hover {
  border-left-color: var(--c-amber);
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 rgba(16, 26, 30, .16);
}

.page-faq .faq-qa h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.5;
  margin: 0 0 10px;
  color: var(--c-ink);
}

.page-faq .faq-qa p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.84;
  color: rgba(16, 26, 30, .8);
}

/* ---------- 写信前的三步 ---------- */
.page-faq .faq-check {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: chk;
}

.page-faq .faq-check__list li {
  counter-increment: chk;
  position: relative;
  padding: 18px 0 18px 54px;
  border-bottom: 1px solid rgba(16, 26, 30, .16);
  font-size: 15.5px;
  line-height: 1.86;
  color: rgba(16, 26, 30, .84);
}

.page-faq .faq-check__list li:first-child {
  border-top: 1px solid rgba(16, 26, 30, .16);
}

.page-faq .faq-check__list li::before {
  content: counter(chk);
  position: absolute;
  left: 0;
  top: 18px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-amber);
  color: var(--c-night);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .faq-check__figure {
  margin: 0;
  border: var(--faq-edge);
  box-shadow: 7px 7px 0 rgba(69, 102, 92, .34);
}

.page-faq .faq-check__figure .media-frame__caption {
  background: var(--c-jade);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-check__cta {
  display: grid;
  gap: 16px;
  align-items: center;
  margin-top: 30px;
  padding: 22px;
  background: var(--c-night);
  color: var(--c-paper);
  border-left: 6px solid var(--c-amber);
}

.page-faq .faq-check__cta p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 239, 228, .86);
}

.page-faq .faq-check__cta .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-specs li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-faq .faq-check__cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 24px 28px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 32px 0 72px;
  }

  .page-faq .faq-qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-panel {
    grid-template-columns: minmax(0, 1fr) 236px;
  }

  .page-faq .faq-panel__aside {
    border-top: 0;
    border-left: var(--faq-edge);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-faq .faq-check {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 38px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 56px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
    border-bottom: 0;
    border-left: 4px solid var(--c-amber);
    padding: 4px 0 4px 14px;
    margin-bottom: 0;
  }

  .page-faq .anchor-rail {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
  }

  .page-faq .anchor-rail__link {
    border-bottom: 0;
    border-left: 3px solid var(--c-silver);
    padding: 9px 12px;
  }

  .page-faq .anchor-rail__link:hover,
  .page-faq .anchor-rail__link:focus-visible,
  .page-faq .anchor-rail__link[aria-current="true"],
  .page-faq .anchor-rail__link.is-active {
    border-bottom-color: transparent;
    border-left-color: var(--c-amber);
    background: var(--c-amber-soft);
  }
}

@media (max-width: 599px) {
  .page-faq .faq-drawer__summary {
    grid-template-columns: 36px minmax(0, 1fr) 18px;
    gap: 4px 12px;
    padding: 13px 14px;
  }

  .page-faq .faq-drawer__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    height: 28px;
    font-size: 12.5px;
  }

  .page-faq .faq-drawer__title {
    grid-column: 2;
    grid-row: 1;
    font-size: 16.5px;
  }

  .page-faq .faq-drawer__count {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    font-size: 11px;
    padding: 2px 6px;
  }

  .page-faq .faq-drawer__handle {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .page-faq .faq-drawer__list {
    padding: 2px 14px 14px;
  }

  .page-faq .faq-drawer__list li {
    padding-left: 32px;
    font-size: 15px;
  }

  .page-faq .faq-drawer__list li::before {
    left: 0;
  }

  .page-faq .faq-step {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .page-faq .faq-step__num {
    padding: 20px 0;
    font-size: 13.5px;
  }

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

  .page-faq .faq-block__head {
    grid-template-columns: 40px minmax(0, 1fr);
    column-gap: 10px;
  }

  .page-faq .faq-block__num {
    font-size: 22px;
  }

  .page-faq .faq-check__list li {
    padding-left: 48px;
    font-size: 15px;
  }

  .page-faq .faq-check__cta {
    padding: 20px 18px;
  }
}
<<<END>>>