.page-faq {
  --faq-index-w: 210px;
  --faq-gap: clamp(24px, 3.4vw, 48px);
  --faq-hair: rgba(11, 11, 13, 0.13);
  --faq-hair-light: rgba(244, 239, 230, 0.16);
  --faq-quiet: rgba(11, 11, 13, 0.7);

  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(92px, 12vh, 152px) 0 clamp(44px, 6vw, 76px);
  border-radius: 0 0 clamp(22px, 3.4vw, 40px) clamp(22px, 3.4vw, 40px);
  background:
    radial-gradient(115% 88% at 84% -12%, rgba(228, 185, 91, 0.24), transparent 60%),
    radial-gradient(88% 72% at 4% 112%, rgba(46, 81, 71, 0.55), transparent 62%),
    linear-gradient(168deg, var(--ink) 0%, var(--ink-2) 58%, #0F1B21 100%);
  color: var(--ivory);
}

.page-faq .faq-hero__crumb {
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__crumb .breadcrumb__item,
.page-faq .faq-hero__crumb .breadcrumb__sep {
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(244, 239, 230, 0.52);
}

.page-faq .faq-hero__crumb a {
  color: rgba(244, 239, 230, 0.72);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-faq .faq-hero__crumb a:hover,
.page-faq .faq-hero__crumb a:focus-visible {
  color: var(--gold-bright);
}

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

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0 0 22px;
  max-width: 20em;
  font-family: var(--font-serif);
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-faq .faq-hero__lead {
  margin: 0 0 clamp(28px, 4vw, 42px);
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.76);
}

.page-faq .faq-hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair-light);
}

.page-faq .faq-metric {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-faq .faq-metric__num {
  font-family: var(--font-narrow);
  font-size: 24px;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold-bright);
}

.page-faq .faq-metric__label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(244, 239, 230, 0.62);
}

/* ---------- 十二个结论 ---------- */

.page-faq .faq-answers {
  padding: clamp(48px, 6.5vw, 86px) 0 clamp(44px, 5.5vw, 72px);
}

.page-faq .faq-answers__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
  margin-bottom: 26px;
}

.page-faq .faq-answers__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-answers__note {
  margin: 0;
  color: var(--grey);
}

.page-faq .faq-answers__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--faq-hair);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

@media (min-width: 760px) {
  .page-faq .faq-answers__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-answers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-qa {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(16px, 2vw, 24px);
  background: var(--ivory);
  transition: background 200ms var(--ease);
}

.page-faq .faq-qa:hover {
  background: var(--white);
}

.page-faq .faq-qa__num {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-qa__q {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .faq-qa__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-quiet);
}

/* ---------- 步骤区骨架 ---------- */

.page-faq .faq-steps {
  padding: 0 0 clamp(56px, 8vw, 104px);
}

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

@media (min-width: 1080px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
  }
}

/* 分类索引 */

.page-faq .faq-index {
  padding: 0 0 4px;
}

@media (max-width: 1079px) {
  .page-faq .faq-index {
    padding-top: 14px;
    border-top: 1px solid var(--faq-hair);
    border-bottom: 1px solid var(--faq-hair);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    align-self: start;
    padding-top: 6px;
    border-top: 1px solid var(--faq-hair);
  }
}

.page-faq .faq-index__label {
  display: block;
  margin: 0 0 12px;
  color: var(--grey);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

@media (min-width: 1080px) {
  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  white-space: nowrap;
  color: rgba(11, 11, 13, 0.72);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

@media (min-width: 1080px) {
  .page-faq .faq-index__link {
    display: flex;
    padding: 11px 12px;
    border-radius: 14px;
    white-space: normal;
    border-bottom: 1px solid var(--faq-hair);
  }
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ink);
  border-color: var(--gold);
  background: rgba(200, 162, 74, 0.08);
}

.page-faq .faq-index__no {
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

/* ---------- 内容区块 ---------- */

.page-faq .faq-block {
  scroll-margin-top: 112px;
  padding: clamp(34px, 4.4vw, 56px) 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-steps__main > .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 32px);
}

@media (min-width: 720px) {
  .page-faq .faq-block__head {
    grid-template-columns: 66px minmax(0, 1fr);
    column-gap: 22px;
    row-gap: 8px;
  }

  .page-faq .faq-block__num {
    grid-row: 1 / span 2;
  }

  .page-faq .faq-block__title,
  .page-faq .faq-block__lead {
    grid-column: 2;
  }
}

.page-faq .faq-block__num {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 600;
  line-height: 1.36;
  color: var(--ink);
}

.page-faq .faq-block__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-quiet);
}

/* ---------- 图像 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3vw, 34px);
}

.page-faq .faq-figure .figure__frame {
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-figure .figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 折叠步骤 ---------- */

.page-faq .faq-step {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-step .disclosure__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto 14px;
  align-items: baseline;
  gap: 0 12px;
  padding: 17px 0;
  list-style: none;
  cursor: pointer;
  transition: color 180ms var(--ease);
}

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

.page-faq .faq-step .disclosure__summary:hover .faq-step__title {
  color: #2b2b30;
}

.page-faq .faq-step__num {
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-step__title {
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

.page-faq .faq-step .disclosure__count {
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
  white-space: nowrap;
}

.page-faq .faq-step .disclosure__summary::after {
  content: "";
  justify-self: end;
  align-self: center;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform 240ms var(--ease);
}

.page-faq .faq-step[open] .disclosure__summary::after {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.page-faq .faq-step .disclosure__body {
  padding: 0 0 22px;
}

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

.page-faq .faq-seq > li {
  position: relative;
  counter-increment: faqseq;
  padding: 0 0 12px 34px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--faq-quiet);
}

.page-faq .faq-seq > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-seq > li::before {
  content: counter(faqseq, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-narrow);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 步骤条 ---------- */

.page-faq .faq-track {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 0;
  margin: 0 0 clamp(24px, 3vw, 32px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-track > li {
  position: relative;
  flex: 1 1 150px;
  padding: 24px 16px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-track > li::before {
  content: "";
  position: absolute;
  left: 0;
  right: 16px;
  top: 3px;
  height: 1px;
  background: var(--sand);
}

.page-faq .faq-track > li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- 版本差异 ---------- */

.page-faq .faq-diff {
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-hair);
  background: rgba(30, 58, 50, 0.06);
}

.page-faq .faq-diff__title {
  margin: 0 0 14px;
  color: var(--green);
}

.page-faq .faq-diff__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-diff__list > li {
  position: relative;
  padding: 0 0 10px 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--faq-quiet);
}

.page-faq .faq-diff__list > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-diff__list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 移动端 12 条 ---------- */

.page-faq .faq-mobile-list {
  counter-reset: faqm;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}

@media (min-width: 860px) {
  .page-faq .faq-mobile-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

.page-faq .faq-mobile-list > li {
  position: relative;
  counter-increment: faqm;
  padding: 13px 0 13px 40px;
  border-bottom: 1px solid var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--faq-quiet);
}

.page-faq .faq-mobile-list > li::before {
  content: "M" counter(faqm, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-narrow);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 三种检索方式 ---------- */

.page-faq .faq-ways {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-way {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-way:last-child {
  border-bottom: 1px solid var(--faq-hair);
}

@media (min-width: 760px) {
  .page-faq .faq-way {
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: 28px;
  }
}

.page-faq .faq-way__key {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-way__num {
  margin: 0;
  color: var(--gold);
}

.page-faq .faq-way__name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-way__body p {
  margin: 0 0 9px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-quiet);
}

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

.page-faq .faq-way__body .faq-way__conclusion {
  font-family: var(--font-serif);
  font-size: 15.5px;
  color: var(--ink);
}

/* ---------- 更新记录 ---------- */

.page-faq .faq-log {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-log__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-bottom: 1px solid var(--faq-hair);
}

@media (min-width: 780px) {
  .page-faq .faq-log__item {
    grid-template-columns: 172px minmax(0, 1fr);
    column-gap: 28px;
  }
}

.page-faq .faq-log__ver {
  font-family: var(--font-narrow);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-log__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-quiet);
}

/* ---------- 继续阅读 ---------- */

.page-faq .faq-next {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--green);
  color: var(--ivory);
}

.page-faq .faq-next__label {
  display: block;
  margin: 0 0 14px;
  color: var(--gold);
}

.page-faq .faq-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 780px) {
  .page-faq .faq-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

.page-faq .faq-next__list a {
  display: block;
  padding: 11px 0;
  border-bottom: 1px solid rgba(244, 239, 230, 0.18);
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.86);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

/* ---------- 降级动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-qa,
  .page-faq .faq-index__link,
  .page-faq .faq-step__title,
  .page-faq .faq-step .disclosure__summary::after,
  .page-faq .faq-next__list a,
  .page-faq .faq-hero__crumb a {
    transition: none;
  }
}
<<<END>>>