.page-faq .crumbs {
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--slate);
  display: flex;
  gap: 8px;
  align-items: center;
}
.page-faq .crumbs a {
  color: var(--snow);
  text-decoration: none;
}
.page-faq .crumbs a:hover {
  color: var(--neon);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -70px;
  height: 150px;
  background: linear-gradient(90deg, rgba(182, 255, 60, .07), rgba(47, 110, 140, .10) 55%, transparent);
  transform: skewY(-2.6deg);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 40px;
}
.page-faq .faq-hero__copy {
  max-width: 40rem;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.page-faq .faq-hero__media {
  margin: 0;
}

/* ---------- 筛选条 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line-ink);
}
.page-faq .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
  margin-left: auto;
}
.page-faq .filter-reset {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--snow);
  background: none;
  border: 1px solid var(--line-ink);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
}
.page-faq .filter-reset:hover {
  border-color: var(--snow-light);
}

/* ---------- 布局：侧索引 + 答案流 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 44px;
  margin-top: 48px;
}
.page-faq .faq-rail {
  align-self: start;
}
.page-faq .faq-rail__title {
  margin: 0 0 16px;
}
.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}
.page-faq .faq-rail__list li {
  flex: 0 0 auto;
}
.page-faq .faq-rail__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13.5px;
  color: var(--snow-deep);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line-ink);
  border-radius: 3px;
  background: var(--paper-2);
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.page-faq .faq-rail__list a .mono {
  font-size: 11px;
  color: var(--snow-light);
  letter-spacing: .06em;
}
.page-faq .faq-rail__list a:hover {
  border-color: var(--snow);
  color: var(--snow-deep);
}
.page-faq .faq-rail__cta {
  margin-top: 18px;
}

/* ---------- 问题组 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}
.page-faq .faq-group + .faq-group {
  margin-top: 76px;
}
.page-faq .faq-group .section-band {
  margin-bottom: 26px;
}
.page-faq .faq-figure {
  margin: 0 0 26px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line-ink);
  border-radius: 3px;
  background: var(--paper-2);
  margin-bottom: 12px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.page-faq .qa:hover {
  box-shadow: 0 1px 0 rgba(23, 64, 92, .06);
}
.page-faq .qa[open] {
  border-color: var(--snow-light);
}
.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa__head::-webkit-details-marker {
  display: none;
}
.page-faq .qa__idx {
  font-size: 12px;
  color: var(--snow-light);
  letter-spacing: .06em;
  flex: 0 0 auto;
}
.page-faq .qa__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--snow-deep);
}
.page-faq .qa__head .tag {
  flex: 0 0 auto;
  align-self: center;
}
.page-faq .qa__body {
  padding: 0 20px 22px 20px;
  border-top: 1px dashed var(--line-ink);
  padding-top: 18px;
}
.page-faq .qa__body .prose {
  margin: 0 0 14px;
}
.page-faq .qa__body .prose:last-child {
  margin-bottom: 0;
}
.page-faq .qa__body a {
  color: var(--snow);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.page-faq .qa__body a:hover {
  color: var(--neon);
}

/* ---------- 步骤勾选 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}
.page-faq .step + .step {
  border-top: 1px dashed var(--line-ink);
}
.page-faq .step__row {
  position: relative;
  display: block;
  padding: 12px 0 12px 30px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.75;
  color: var(--snow-deep);
}
.page-faq .step__check {
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.page-faq .step__mark {
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--snow-light);
  border-radius: 3px;
  background: #fff;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .step__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--night);
  border-bottom: 2px solid var(--night);
  transform: rotate(42deg) scale(.4);
  opacity: 0;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.page-faq .step__check:checked ~ .step__mark {
  background: var(--neon);
  border-color: var(--neon);
}
.page-faq .step__check:checked ~ .step__mark::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}
.page-faq .step__check:focus-visible ~ .step__mark {
  outline: 2px solid var(--snow);
  outline-offset: 2px;
}
.page-faq .step__check:checked ~ .step__text {
  color: var(--slate);
  text-decoration: line-through;
  text-decoration-color: rgba(124, 139, 148, .5);
}
.page-faq .step__text a {
  color: var(--snow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 时间线 SVG ---------- */
.page-faq .faq-timeline {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 22px;
  max-width: 660px;
}
.page-faq .faq-timeline__k {
  font-family: var(--font-mono);
  font-size: 15px;
  fill: var(--snow-deep);
  letter-spacing: .04em;
}
.page-faq .faq-timeline__v {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--slate);
}

/* ---------- 状态里程碑 ---------- */
.page-faq .milestones {
  display: grid;
  gap: 0;
  margin: 4px 0 18px;
  border-left: 1px solid var(--line-ink);
  padding-left: 20px;
}
.page-faq .milestone {
  position: relative;
  padding: 12px 0;
}
.page-faq .milestone + .milestone {
  border-top: 1px dashed var(--line-ink);
}
.page-faq .milestone .dot {
  position: absolute;
  left: -25px;
  top: 20px;
}
.page-faq .milestone__name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--snow-deep);
}
.page-faq .milestone__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-group--plain + .faq-group--plain {
  margin-top: 90px;
}
.page-faq .faq-human {
  margin-bottom: 18px;
}
.page-faq .faq-human__card {
  padding: 24px 22px;
}
.page-faq .faq-human__card .card__text {
  margin-bottom: 0;
}
.page-faq .faq-human__card a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-human__note {
  margin: 0;
  font-size: 14px;
  color: var(--slate);
}

/* ---------- 认证条 ---------- */
.page-faq .seal-strip {
  display: grid;
  gap: 0;
  border: 1px solid var(--line-ink);
  border-radius: 3px;
  background: var(--paper-2);
  margin-bottom: 18px;
}
.page-faq .seal-strip__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  padding: 16px 20px;
}
.page-faq .seal-strip__item + .seal-strip__item {
  border-top: 1px dashed var(--line-ink);
}
.page-faq .seal-strip__key {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--snow-light);
  flex: 0 0 auto;
}
.page-faq .seal-strip__val {
  font-size: 15px;
  color: var(--snow-deep);
}
.page-faq .seal-strip__val a {
  color: var(--snow);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .seal-strip__val a:hover {
  color: var(--neon);
}

/* ---------- 筛选隐藏 ---------- */
.page-faq .is-filtered-out {
  display: none !important;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 52px;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 6px;
  }
  .page-faq .faq-rail__list a {
    white-space: normal;
    justify-content: flex-start;
    background: transparent;
    border-color: transparent;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 10px 8px 12px;
  }
  .page-faq .faq-rail__list a:hover {
    border-left-color: var(--snow-light);
    background: var(--paper-2);
  }
  .page-faq .seal-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .seal-strip__item {
    display: block;
    padding: 20px 22px;
  }
  .page-faq .seal-strip__item + .seal-strip__item {
    border-top: 0;
    border-left: 1px dashed var(--line-ink);
  }
  .page-faq .seal-strip__key {
    display: block;
    margin-bottom: 8px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: 72px;
  }
  .page-faq .faq-hero__media {
    transform: translateY(26px) rotate(-.6deg);
  }
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 72px;
    margin-top: 64px;
  }
  .page-faq .qa__head {
    padding: 22px 26px;
  }
  .page-faq .qa__title {
    font-size: 17.5px;
  }
  .page-faq .qa__body {
    padding: 20px 26px 26px 26px;
  }
  .page-faq .faq-group + .faq-group {
    margin-top: 118px;
  }
  .page-faq .faq-group--plain + .faq-group--plain {
    margin-top: 130px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .step__mark,
  .page-faq .step__mark::after,
  .page-faq .faq-rail__list a {
    transition: none;
  }
  .page-faq .faq-hero__media {
    transform: none;
  }
}
<<<END>>>