.page-faq {
  --faq-index-w: 248px;
  --faq-sticky-top: calc(var(--yx-topbar-h) + 32px);
  --faq-read: 58ch;
  background: var(--yx-paper);
  color: var(--yx-ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(20px, 3.2vw, 34px);
}
.page-faq .faq-crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  line-height: 1.6;
}
.page-faq .faq-crumb__list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-faq .faq-crumb__list li + li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--yx-line);
  transform: rotate(45deg);
}
.page-faq .faq-crumb__list a {
  color: var(--yx-muted);
  text-decoration: none;
  transition: color 180ms var(--yx-ease);
}
.page-faq .faq-crumb__list a:hover {
  color: var(--yx-orange-deep);
}
.page-faq .faq-crumb__list [aria-current="page"] {
  color: var(--yx-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(36px, 6vw, 72px);
  border-bottom: var(--yx-line-w) solid var(--yx-line);
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.page-faq .faq-hero__title {
  font-family: var(--yx-serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(2rem, 6vw, 3.7rem);
  line-height: 1.16;
  margin: 14px 0 18px;
  max-width: 20ch;
  color: var(--yx-ink);
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.78;
  color: var(--yx-muted);
}
.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ---------- 首屏速览面板 ---------- */
.page-faq .faq-facts {
  background: var(--yx-blue-deep);
  color: #fff;
  padding: clamp(20px, 3vw, 30px);
}
.page-faq .faq-facts__title {
  margin: 0 0 14px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.7);
}
.page-faq .faq-facts__list {
  margin: 0;
}
.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.page-faq .faq-facts__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-facts__row:first-child {
  padding-top: 0;
}
.page-faq .faq-facts__row dt {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.76);
}
.page-faq .faq-facts__row dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
}
.page-faq .faq-facts__row:first-child dd {
  color: var(--yx-orange);
}

/* ---------- 版式骨架 ---------- */
.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: clamp(26px, 4vw, 40px);
  padding-top: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(48px, 7vw, 96px);
}
.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 右侧分类索引 ---------- */
.page-faq .faq-index {
  order: -1;
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--yx-muted);
}
.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: var(--yx-line-w) solid var(--yx-line);
  background: #fff;
  color: var(--yx-ink);
  text-decoration: none;
  font-size: 0.85rem;
  line-height: 1.3;
  transition: border-color 180ms var(--yx-ease), color 180ms var(--yx-ease), background-color 180ms var(--yx-ease);
}
.page-faq .faq-index__link:hover {
  border-color: var(--yx-orange);
  color: var(--yx-orange-deep);
  background: #fff;
}
.page-faq .faq-index__num {
  font-family: var(--yx-mono);
  font-size: 0.76rem;
  color: var(--yx-muted);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: clamp(34px, 5vw, 60px) 0;
  border-bottom: var(--yx-line-w) solid var(--yx-line);
  scroll-margin-top: var(--faq-sticky-top);
}
.page-faq .faq-group:last-child {
  border-bottom: 0;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-top: 16px;
  border-top: 2px solid var(--yx-ink);
  margin: 0 0 20px;
}
.page-faq .faq-group__num {
  font-family: var(--yx-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--yx-orange-deep);
}
.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--yx-serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: clamp(1.42rem, 3.2vw, 2.05rem);
  line-height: 1.28;
  color: var(--yx-ink);
}
.page-faq .faq-group__lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding-left: 16px;
  border-left: 3px solid var(--yx-orange);
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.14rem);
  font-weight: 500;
  line-height: 1.72;
  color: var(--yx-ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-group__items {
  border-top: var(--yx-line-w) solid var(--yx-line);
}
.page-faq .faq-item {
  border-bottom: var(--yx-line-w) solid var(--yx-line);
  border-left: 3px solid transparent;
  background: transparent;
  transition: background-color 200ms var(--yx-ease), border-left-color 200ms var(--yx-ease);
}
.page-faq .faq-item__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}
.page-faq .faq-item__trigger {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 14px 17px 15px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--yx-sans);
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  font-weight: 600;
  line-height: 1.62;
  color: var(--yx-ink);
  transition: color 180ms var(--yx-ease);
}
.page-faq .faq-item__trigger:hover {
  color: var(--yx-blue);
}
.page-faq .faq-item__trigger:focus-visible {
  outline: 2px solid var(--yx-orange);
  outline-offset: -2px;
}
.page-faq .faq-item__mark {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--yx-blue);
  transition: transform 220ms var(--yx-ease), background-color 180ms var(--yx-ease);
}
.page-faq .faq-item__mark::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}
.page-faq .faq-item__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}
.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__mark::after {
  transform: scaleY(0);
}
.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__mark::before {
  background: var(--yx-orange);
}
.page-faq .faq-item:has(.faq-item__trigger[aria-expanded="true"]) {
  border-left-color: var(--yx-orange);
  background: var(--yx-pale);
}
.page-faq .faq-item__panel {
  padding: 0 14px 20px 15px;
}
.page-faq .faq-item__inner {
  max-width: var(--faq-read);
}
.page-faq .faq-item__inner p {
  margin: 0 0 10px;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--yx-ink);
}
.page-faq .faq-item__inner p:first-child {
  font-weight: 500;
}
.page-faq .faq-item__inner p:last-child {
  margin-bottom: 0;
  color: var(--yx-muted);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: var(--yx-line-w) solid var(--yx-line);
  background: #fff;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}
.page-faq .faq-figure figcaption {
  border-top: var(--yx-line-w) solid var(--yx-line);
  padding: 10px 14px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--yx-muted);
}

/* ---------- 人工联系 ---------- */
.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--yx-line-w);
  background: var(--yx-line);
  border: var(--yx-line-w) solid var(--yx-line);
  margin-bottom: clamp(20px, 3vw, 28px);
}
.page-faq .faq-help__cell {
  background: var(--yx-pale);
  padding: clamp(18px, 2.8vw, 26px);
  min-width: 0;
}
.page-faq .faq-help__label {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--yx-muted);
}
.page-faq .faq-help__value {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--yx-blue-deep);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.page-faq .faq-help__note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--yx-muted);
}
.page-faq .faq-help__cta {
  margin: 0;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__trigger,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-help__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-item__trigger {
    padding-left: 20px;
    padding-right: 20px;
  }
  .page-faq .faq-item__panel {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
  .page-faq .faq-group__title {
    max-width: 26ch;
  }
}

/* ---------- 桌面：右栏粘性索引 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--faq-index-w);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }
  .page-faq .faq-index {
    order: 0;
    position: sticky;
    top: var(--faq-sticky-top);
    border-top: 2px solid var(--yx-ink);
    padding-top: 16px;
  }
  .page-faq .faq-index__list {
    display: block;
  }
  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    border: 0;
    border-bottom: var(--yx-line-w) solid var(--yx-line);
    background: transparent;
    padding: 11px 0;
    font-size: 0.92rem;
  }
  .page-faq .faq-index__link:hover {
    padding-left: 8px;
    color: var(--yx-orange-deep);
  }
  .page-faq .faq-item__inner p:first-child {
    font-size: 1.02rem;
  }
}
<<<END>>>