.page-faq {
  --fp-card: #FFFCF6;
  --fp-rule: rgba(11, 27, 43, .13);
  --fp-rule-soft: rgba(11, 27, 43, .07);
  --fp-muted: #3C4A58;
  --fp-accent-ink: #8C4425;
  --fp-shadow: 0 18px 44px -30px rgba(11, 27, 43, .6);
  background: var(--bone);
  color: var(--deep);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(28px, 4.5vw, 52px);
  border-bottom: 1px solid var(--fp-rule-soft);
  background:
    radial-gradient(circle at 90% 4%, rgba(46, 214, 198, .17), transparent 44%),
    radial-gradient(circle at 4% 94%, rgba(255, 106, 26, .13), transparent 46%);
}

.page-faq .breadcrumbs {
  font-size: 13px;
  color: rgba(11, 27, 43, .6);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.page-faq .breadcrumbs a {
  color: rgba(11, 27, 43, .8);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 27, 43, .28);
}

.page-faq .breadcrumbs a:hover {
  color: var(--deep);
  border-bottom-color: var(--orange);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-faq .eyebrow {
  color: var(--fp-accent-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.012em;
  margin: .18em 0 .24em;
  color: var(--deep);
  text-wrap: balance;
}

.page-faq .lede {
  color: var(--fp-muted);
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: rgba(11, 27, 43, .62);
}

.page-faq .faq-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-faq .faq-hero__meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--fp-rule);
  background: var(--night);
  box-shadow: var(--fp-shadow);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 6;
  object-fit: cover;
}

/* 搜索与快捷跳转 */
.page-faq .faq-search {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-search__box {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 560px;
  padding: 5px 8px 5px 18px;
  background: var(--white);
  border: 2px solid rgba(11, 27, 43, .16);
  border-radius: 999px;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-search__box:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 214, 198, .22);
}

.page-faq .faq-search__icon {
  width: 20px;
  height: 20px;
  flex: none;
  stroke: var(--deep);
  opacity: .55;
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 12px 4px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--deep);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(11, 27, 43, .45);
}

.page-faq .faq-search__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 14px 0 0;
  font-size: 13px;
}

.page-faq .faq-search__quick-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(11, 27, 43, .5);
}

.page-faq .faq-search__quick a {
  display: inline-block;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(11, 27, 43, .06);
  border: 1px solid rgba(11, 27, 43, .1);
  color: var(--deep);
  text-decoration: none;
  font-weight: 500;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-search__quick a:hover {
  background: rgba(46, 214, 198, .35);
  border-color: var(--cyan);
}

/* 诊断路径 */
.page-faq .faq-diag {
  position: relative;
  padding: clamp(30px, 5vw, 58px) 0 clamp(34px, 5vw, 62px);
  background: var(--deep);
  color: var(--bone);
}

.page-faq .faq-diag::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 60%, transparent);
}

.page-faq .faq-diag .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-diag__head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-faq .faq-diag__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.14;
  color: var(--white);
  margin: .22em 0 .5em;
  text-wrap: balance;
}

.page-faq .faq-diag__head p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq .faq-diag__tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-faq .faq-node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 16px 15px 18px;
  border: 1px solid rgba(244, 239, 230, .14);
  border-top: 2px solid var(--cyan);
  border-radius: 2px 2px 12px 12px;
  background: linear-gradient(180deg, rgba(18, 43, 68, .95), rgba(11, 27, 43, .72));
  color: var(--bone);
  text-decoration: none;
  transition: transform .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease);
}

.page-faq .faq-node:hover,
.page-faq .faq-node:focus-visible {
  transform: translateY(-4px);
  border-top-color: var(--orange);
  background: linear-gradient(180deg, rgba(255, 106, 26, .16), rgba(11, 27, 43, .82));
}

.page-faq .faq-node__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-faq .faq-node__title {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-node__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-soft);
}

/* 主体两栏 */
.page-faq .faq-body {
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(44px, 6vw, 80px);
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.5vw, 52px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--fp-rule-soft);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 12px;
  align-items: center;
  margin: 0 0 18px;
}

.page-faq .faq-group__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  padding: 4px 9px;
  border-radius: 3px;
  background: var(--deep);
  color: var(--bone);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.18;
  color: var(--deep);
}

.page-faq .faq-group__head p {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fp-muted);
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--fp-rule);
  background: var(--night);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 15px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
  background: var(--night);
  border-top: 1px solid rgba(244, 239, 230, .1);
}

/* 问答条目 */
.page-faq .faq-item {
  background: var(--fp-card);
  border: 1px solid var(--fp-rule);
  border-radius: 10px;
  scroll-margin-top: calc(var(--bar-h) + 28px);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: rgba(11, 27, 43, .26);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 26, .48);
  box-shadow: var(--fp-shadow);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--deep);
}

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

.page-faq .faq-item__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--fp-accent-ink);
}

.page-faq .faq-item__q {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  line-height: 19px;
  text-align: center;
  border-radius: 50%;
  border: 1px solid rgba(11, 27, 43, .18);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.page-faq .faq-item__a {
  padding: 0 16px 17px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fp-muted);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 9px;
}

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

/* 侧栏 */
.page-faq .faq-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-helpcard {
  position: relative;
  overflow: hidden;
  padding: 20px 18px 22px;
  background: var(--deep);
  color: var(--bone);
  border: 1px solid rgba(255, 106, 26, .55);
  border-radius: 12px;
  box-shadow: var(--fp-shadow);
}

.page-faq .faq-helpcard::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 106, 26, 0));
}

.page-faq .faq-helpcard__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-helpcard__sub {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-helpcard__rows {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-faq .faq-helpcard__row {
  display: grid;
  gap: 2px;
}

.page-faq .faq-helpcard__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-helpcard__val {
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-faq .faq-helpcard__val a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, .75);
}

.page-faq .faq-helpcard__val a:hover {
  color: var(--orange);
}

.page-faq .faq-quicklinks {
  padding: 18px 16px;
  background: var(--fp-card);
  border: 1px solid var(--fp-rule);
  border-radius: 12px;
}

.page-faq .faq-quicklinks h2 {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(11, 27, 43, .58);
}

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

.page-faq .faq-quicklinks a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 6px;
  color: var(--deep);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  border-bottom: 1px solid var(--fp-rule-soft);
  transition: background .2s var(--ease);
}

.page-faq .faq-quicklinks li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-quicklinks a span {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  color: rgba(11, 27, 43, .55);
}

.page-faq .faq-quicklinks a:hover {
  background: rgba(46, 214, 198, .18);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 720px) {
  .page-faq .faq-diag__tree {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure img {
    aspect-ratio: 10 / 7;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 318px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-diag__tree {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    position: relative;
    padding-top: 26px;
  }

  .page-faq .faq-diag__tree::before {
    content: "";
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(46, 214, 198, .55), transparent);
  }

  .page-faq .faq-diag__tree li {
    position: relative;
  }

  .page-faq .faq-diag__tree li::before {
    content: "";
    position: absolute;
    top: -26px;
    left: 50%;
    width: 1px;
    height: 26px;
    background: rgba(46, 214, 198, .45);
  }

  .page-faq .faq-diag__tree li::after {
    content: "";
    position: absolute;
    top: -29px;
    left: calc(50% - 3.5px);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(46, 214, 198, .16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-faq .faq-node,
  .page-faq .faq-node:hover,
  .page-faq .faq-node:focus-visible {
    transform: none;
    transition: none;
  }
}
<<<END>>>