.page-faq {
  background: var(--paper);
  color: var(--text);
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.85;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--blue);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.page-faq .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--line);
}

.page-faq .breadcrumb__item a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-faq .breadcrumb__item a:hover {
  border-bottom-color: var(--blue);
}

.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 36px 0 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-hero__title {
  font-size: var(--fs-40);
  font-weight: 900;
  max-width: 14em;
  margin: 18px 0 20px;
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  font-size: var(--fs-17);
  color: var(--text);
  margin-bottom: 28px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__panel {
  background: var(--blue);
  color: var(--paper);
  padding: 26px 22px 44px;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}

.page-faq .faq-hero__panel-label {
  margin: 0 0 18px;
  color: var(--teal-light);
  font-size: var(--fs-12);
}

.page-faq .faq-hero__counts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__counts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--paper-18);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  color: var(--teal-light);
  line-height: 1;
}

.page-faq .faq-hero__num-text {
  font-size: var(--fs-15);
  color: var(--paper-72);
  line-height: 1.7;
}

.page-faq .faq-hero__panel-note {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--paper-18);
  font-size: var(--fs-13);
  color: var(--paper-72);
}

/* ---------- 高频三条 ---------- */
.page-faq .faq-quick {
  padding-top: 64px;
}

.page-faq .faq-quick__head {
  margin-bottom: 32px;
}

.page-faq .faq-quick__head h2 {
  font-size: var(--fs-28);
  font-weight: 900;
  margin-bottom: 10px;
}

.page-faq .faq-quick__head p {
  max-width: 40em;
  font-size: var(--fs-15);
  color: var(--text);
}

.page-faq .faq-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 28px;
}

.page-faq .faq-quick__item {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-quick__idx {
  color: var(--blue);
  font-size: var(--fs-12);
}

.page-faq .faq-quick__item h3 {
  font-size: var(--fs-21);
  font-weight: 800;
}

.page-faq .faq-quick__item p {
  font-size: var(--fs-15);
  color: var(--text);
}

.page-faq .faq-quick__more {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 2px;
  transition: color 0.12s var(--ease), border-color 0.12s var(--ease);
}

.page-faq .faq-quick__more:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 首次三步 ---------- */
.page-faq .faq-start {
  padding-top: 72px;
}

.page-faq .faq-start__head {
  margin-bottom: 30px;
}

.page-faq .faq-start__head h2 {
  font-size: var(--fs-28);
  font-weight: 900;
  margin: 14px 0 10px;
}

.page-faq .faq-start__lead {
  max-width: 40em;
  font-size: var(--fs-15);
}

.page-faq .faq-start__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 24px;
}

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

.page-faq .faq-start__step-num {
  display: block;
  color: var(--blue-2);
  font-size: var(--fs-12);
  margin-bottom: 8px;
}

.page-faq .faq-start__step h3 {
  font-size: var(--fs-21);
  font-weight: 800;
  margin-bottom: 8px;
}

.page-faq .faq-start__step p {
  font-size: var(--fs-15);
}

/* ---------- 主题问答 ---------- */
.page-faq .faq-groups {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
  margin-top: 72px;
}

.page-faq .faq-groups__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-groups__head h2 {
  font-size: var(--fs-28);
  font-weight: 900;
  margin-bottom: 10px;
}

.page-faq .faq-groups__head p {
  max-width: 40em;
  font-size: var(--fs-15);
}

.page-faq .faq-index {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: var(--fs-12);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: var(--fs-15);
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.12s var(--ease), border-color 0.12s var(--ease);
}

.page-faq .faq-index__list a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-faq .faq-index__list .mono {
  color: var(--teal);
  font-size: var(--fs-12);
}

.page-faq .faq-index__foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-13);
}

.page-faq .faq-index__foot p {
  color: var(--text);
  margin-bottom: 6px;
}

.page-faq .faq-index__foot a {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 1px;
}

.page-faq .faq-groups__list {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-faq .faq-group__head {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  display: block;
  color: var(--blue);
  font-size: var(--fs-12);
  margin-bottom: 8px;
}

.page-faq .faq-group__head h3 {
  font-size: var(--fs-28);
  font-weight: 900;
  margin-bottom: 8px;
}

.page-faq .faq-group__desc {
  font-size: var(--fs-15);
  color: var(--text);
}

.page-faq .faq-group__body--lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.page-faq .faq-group__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

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

.page-faq .faq-group__figure figcaption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--text);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__figure--inline {
  margin-top: 20px;
  max-width: 340px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-17);
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.12s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--blue);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  color: var(--blue);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: currentColor;
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--blue);
}

.page-faq .faq-item__a {
  margin: 0 0 20px 28px;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--teal);
  max-width: 36em;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-item__a a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@supports (interpolate-size: allow-keywords) {
  .page-faq {
    interpolate-size: allow-keywords;
  }

  .page-faq .faq-item::details-content {
    block-size: 0;
    overflow: hidden;
    transition: block-size 0.3s var(--ease), content-visibility 0.3s allow-discrete;
  }

  .page-faq .faq-item[open]::details-content {
    block-size: auto;
  }
}

/* ---------- 自查清单 ---------- */
.page-faq .faq-check {
  background: var(--blue-deep);
  color: var(--paper);
  padding: 64px 0;
}

.page-faq .faq-check__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-check__label {
  color: var(--teal-light);
  font-size: var(--fs-12);
  margin-bottom: 14px;
}

.page-faq .faq-check h2 {
  color: var(--paper);
  font-size: var(--fs-28);
  font-weight: 900;
  margin-bottom: 12px;
}

.page-faq .faq-check__lead {
  font-size: var(--fs-15);
  color: var(--paper-72);
  max-width: 30em;
}

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

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--paper-18);
}

.page-faq .faq-check__item:last-child {
  border-bottom: 1px solid var(--paper-18);
}

.page-faq .faq-check__box {
  width: 18px;
  height: 18px;
  margin-top: 5px;
  border: 2px solid var(--teal-light);
}

.page-faq .faq-check__item h3 {
  color: var(--paper);
  font-size: var(--fs-17);
  font-weight: 800;
  margin-bottom: 6px;
}

.page-faq .faq-check__item p {
  font-size: var(--fs-15);
  color: var(--paper-72);
}

.page-faq .faq-check__item a {
  color: var(--teal-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-help {
  padding: 72px 0;
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-help__copy h2 {
  font-size: var(--fs-28);
  font-weight: 900;
  margin: 14px 0 14px;
}

.page-faq .faq-help__lead {
  max-width: 34em;
  font-size: var(--fs-15);
  margin-bottom: 26px;
}

.page-faq .faq-help__channels {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__channel {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__channel .mono {
  color: var(--blue);
  font-size: var(--fs-12);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__aside {
  border: 2px solid var(--ink);
  padding: 24px 20px;
  align-self: start;
}

.page-faq .faq-help__aside h3 {
  font-size: var(--fs-21);
  font-weight: 800;
  margin-bottom: 10px;
}

.page-faq .faq-help__aside p {
  font-size: var(--fs-15);
  margin-bottom: 20px;
}

.page-faq .faq-help__aside .btn {
  margin-bottom: 16px;
}

.page-faq .faq-help__aside-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-13);
  color: var(--text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .faq-start__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 48px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__title {
    font-size: var(--fs-64);
    max-width: 12em;
  }

  .page-faq .faq-hero__panel {
    padding: 30px 26px 56px;
  }

  .page-faq .faq-check {
    padding: 80px 0;
  }

  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-groups__layout {
    grid-template-columns: 216px minmax(0, 1fr);
    column-gap: 56px;
    row-gap: 36px;
    align-items: start;
  }

  .page-faq .faq-groups__head {
    grid-column: 1 / -1;
  }

  .page-faq .faq-groups__head p {
    max-width: 52em;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-group__body--lead {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-group__body--lead .faq-group__figure {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__q,
  .page-faq .faq-quick__more,
  .page-faq .faq-index__list a,
  .page-faq .breadcrumb__item a {
    transition: none;
  }

  .page-faq .faq-item::details-content {
    transition: none;
  }
}
<<<END>>>