.page-faq {
  --faq-top: 92px;
  padding-bottom: clamp(24px, 4vw, 48px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .yx-breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 13px;
}

.page-faq .yx-breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--yx-ink-2);
}

.page-faq .yx-breadcrumb a {
  color: var(--yx-blue);
  text-decoration: none;
}

.page-faq .yx-breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero {
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(26px, 4vw, 46px);
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12px;
  width: min(34%, 240px);
  height: 3px;
  background: linear-gradient(90deg, var(--yx-gold), var(--yx-coral));
  border-radius: 2px;
  display: none;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.2vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--yx-deep);
  max-width: 26ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--yx-ink-2);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-facts li {
  font-family: var(--yx-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--yx-gold-soft);
  color: var(--yx-deep);
}

.page-faq .faq-facts li:nth-child(2) {
  background: var(--yx-ice);
  color: var(--yx-blue);
}

.page-faq .faq-facts li:nth-child(3) {
  background: transparent;
  border: 1px solid var(--yx-mist);
  color: var(--yx-ink-2);
}

/* ---------- 左右分栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

/* ---------- 左侧主题索引 ---------- */
.page-faq .faq-index {
  background: var(--yx-ice);
  border: 1px solid var(--yx-mist);
  border-radius: var(--yx-radius-lg);
  padding: 16px 16px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--yx-deep);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  counter-reset: faqidx;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--yx-radius);
  border-bottom: 3px solid transparent;
  background: var(--yx-paper);
  font-size: 14.5px;
  color: var(--yx-graphite);
  text-decoration: none;
  white-space: nowrap;
  counter-increment: faqidx;
  transition: color 0.18s var(--yx-ease), border-color 0.18s var(--yx-ease), background 0.18s var(--yx-ease);
}

.page-faq .faq-index__list a::before {
  content: counter(faqidx, decimal-leading-zero);
  font-family: var(--yx-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--yx-ink-2);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--yx-blue);
  border-bottom-color: var(--yx-gold);
  background: #ffffff;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--yx-ink-2);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  padding-bottom: clamp(26px, 4vw, 46px);
  scroll-margin-top: var(--faq-top);
}

.page-faq .faq-sec + .faq-sec {
  border-top: 1px solid var(--yx-mist);
  padding-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-sec h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--yx-deep);
  max-width: 30ch;
}

.page-faq .faq-sec h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--yx-blue);
}

.page-faq .faq-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--yx-ink-2);
}

/* ---------- 三步卡片 ---------- */
.page-faq .faq-steps3 {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  background: var(--yx-paper);
  border: 1px solid var(--yx-mist);
  border-radius: var(--yx-radius-lg);
  padding: 20px 18px 18px;
  box-shadow: var(--yx-shadow-1);
  transition: transform 0.22s var(--yx-ease), border-color 0.22s var(--yx-ease), box-shadow 0.22s var(--yx-ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  border-color: var(--yx-gold);
  box-shadow: var(--yx-shadow-2);
}

.page-faq .faq-step__n {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: var(--yx-gold-soft);
  color: var(--yx-deep);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-ink-2);
}

/* ---------- 图文错位 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-faq .faq-split__text h3 {
  margin-top: 20px;
}

.page-faq .faq-split__text h3:first-child {
  margin-top: 0;
}

.page-faq .faq-split__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-ink-2);
}

.page-faq .faq-shot {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--yx-mist);
  border-radius: var(--yx-radius-lg);
  background: linear-gradient(150deg, var(--yx-ice), var(--yx-paper) 70%);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--yx-radius);
  object-fit: cover;
}

.page-faq .faq-shot__cap {
  margin: 10px 4px 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--yx-ink-2);
}

/* ---------- 版本对照流程 ---------- */
.page-faq .faq-proc {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--yx-mist);
}

.page-faq .faq-proc li {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px;
  padding: 0 0 22px 0;
}

.page-faq .faq-proc li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--yx-paper);
  border: 2px solid var(--yx-gold);
}

.page-faq .faq-proc__n {
  font-size: 13px;
  color: var(--yx-gold);
  letter-spacing: 0.04em;
  padding-top: 2px;
  padding-left: 14px;
}

.page-faq .faq-proc h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
}

.page-faq .faq-proc p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-ink-2);
}

/* ---------- 记录回查流程条 ---------- */
.page-faq .faq-flow {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-flow li {
  position: relative;
  background: var(--yx-ice);
  border-left: 4px solid var(--yx-blue);
  border-radius: var(--yx-radius);
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yx-graphite);
}

.page-faq .faq-flow strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--yx-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--yx-blue);
}

/* ---------- 移动端区块 ---------- */
.page-faq .faq-mobile {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-faq .faq-mobile__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yx-ink-2);
}

.page-faq .faq-check {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-check li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yx-graphite);
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--yx-teal);
}

.page-faq .faq-mobile__hint {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--yx-radius);
  background: var(--yx-gold-soft);
  color: var(--yx-deep);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-mobile__art {
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid var(--yx-mist);
  border-radius: var(--yx-radius-lg);
  background: var(--yx-paper);
}

.page-faq .faq-dev {
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-faq .faq-dev__frame {
  fill: none;
  stroke: var(--yx-blue);
  stroke-width: 2.5;
}

.page-faq .faq-dev__bar {
  fill: var(--yx-deep);
}

.page-faq .faq-dev__cta {
  fill: var(--yx-coral);
}

.page-faq .faq-dev__ln {
  fill: var(--yx-mist);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-qgroups {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-faq .faq-qgroup__title {
  display: inline-block;
  margin: 0 0 10px;
  padding-bottom: 7px;
  border-bottom: 2px solid var(--yx-gold);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--yx-deep);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--yx-mist);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--yx-graphite);
  transition: color 0.18s var(--yx-ease);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  flex: none;
  margin-top: 2px;
  font-family: var(--yx-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--yx-gold);
  transition: transform 0.22s var(--yx-ease), color 0.22s var(--yx-ease);
}

.page-faq .faq-q[open] summary::after {
  transform: rotate(45deg);
  color: var(--yx-coral);
}

.page-faq .faq-q summary:hover {
  color: var(--yx-blue);
}

.page-faq .faq-q__a {
  margin: 0 0 14px;
  padding-right: 26px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yx-ink-2);
}

.page-faq .faq-q__a a {
  color: var(--yx-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 协助面板 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--yx-radius-lg);
  background: var(--yx-deep);
  color: #ffffff;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.28), transparent 70%);
}

.page-faq .faq-help__text {
  position: relative;
}

.page-faq .faq-help__eyebrow {
  color: var(--yx-gold);
}

.page-faq .faq-help h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.35;
  color: #ffffff;
  max-width: 26ch;
}

.page-faq .faq-help__text > p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--yx-coral);
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s var(--yx-ease), box-shadow 0.18s var(--yx-ease), border-color 0.18s var(--yx-ease);
}

.page-faq .faq-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--yx-shadow-2);
}

.page-faq .faq-btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #ffffff;
}

.page-faq .faq-btn--ghost:hover {
  border-color: var(--yx-gold);
}

.page-faq .faq-help__card {
  position: relative;
  padding: 20px;
  border-radius: var(--yx-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.page-faq .faq-help__card dl {
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-help__card dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yx-gold);
}

.page-faq .faq-help__card dd {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #ffffff;
  word-break: break-word;
}

.page-faq .faq-help__card dd:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-help__card dd.yx-mono {
  font-size: 15.5px;
  letter-spacing: 0.01em;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-hero::after {
    display: block;
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-flow li {
    padding: 16px;
  }

  .page-faq .faq-mobile {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 28px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 800px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-split--flip {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
  }

  .page-faq .faq-split--flip .faq-shot {
    order: -1;
  }

  .page-faq .faq-qgroups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 36px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 254px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-top);
    padding: 20px 18px 22px;
  }

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

  .page-faq .faq-index__list a {
    background: transparent;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: var(--yx-radius);
    padding: 9px 10px;
    white-space: normal;
    font-size: 15px;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: #ffffff;
    border-left-color: var(--yx-gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-btn,
  .page-faq .faq-q summary::after,
  .page-faq .faq-index__list a {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-btn:hover {
    transform: none;
  }
}
<<<END>>>