.page-faq {
  --faq-index-w: 264px;
  --faq-gap: clamp(28px, 4vw, 64px);
  color: var(--ly-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 36px) clamp(40px, 6vw, 76px);
  background: var(--ly-paper);
  border-bottom: 1px solid var(--ly-line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 10px;
  width: 240px;
  height: 240px;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--ly-line-soft) 1px, transparent 1px),
    linear-gradient(var(--ly-line-soft) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .55;
}

@media (max-width: 760px) {
  .page-faq .faq-hero::after { display: none; }
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: start;
    gap: clamp(36px, 5vw, 80px);
  }
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 17ch;
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ly-line-soft);
  border: 1px solid var(--ly-line-soft);
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ly-paper);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  line-height: 1;
  color: var(--ly-blue-deep);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-unit {
  margin-left: 3px;
  font-size: .48em;
  color: var(--ly-blue);
}

.page-faq .faq-num-label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ly-ink);
  opacity: .62;
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-sec-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-faq .faq-sec-head h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.2vw, 38px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-faq .faq-sec-sub {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ly-ink);
  opacity: .72;
}

/* ---------- 四步自查 ---------- */
.page-faq .faq-selfcheck {
  background: var(--ly-sand);
  border-bottom: 1px solid var(--ly-line-soft);
}

.page-faq .faq-selfcheck-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

@media (min-width: 960px) {
  .page-faq .faq-selfcheck-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }
}

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

.page-faq .faq-step {
  position: relative;
  padding: 0 0 28px 52px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: 4px;
  width: 1px;
  background: var(--ly-line-strong);
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step-num {
  position: absolute;
  left: 0;
  top: 2px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ly-blue);
  background: var(--ly-paper);
  border: 1px solid var(--ly-blue);
  border-radius: var(--radius);
}

.page-faq .faq-step-title {
  margin: 4px 0 0;
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-step-text {
  margin: 8px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ly-ink);
  opacity: .76;
}

.page-faq .faq-selfcheck-figure {
  margin: 0;
}

.page-faq .faq-selfcheck-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ly-line-soft);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-faq .faq-selfcheck-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ly-ink);
  opacity: .55;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
    gap: var(--faq-gap);
  }
}

/* 左侧索引 */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-aside-sticky {
  border-top: 2px solid var(--ly-blue-deep);
  padding-top: 12px;
}

@media (min-width: 1000px) {
  .page-faq .faq-aside-sticky {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

.page-faq .faq-aside-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ly-blue);
  text-transform: uppercase;
}

.page-faq .faq-index {
  display: grid;
  gap: 1px;
  margin-top: 12px;
}

.page-faq .faq-index-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ly-ink);
  text-decoration: none;
  background: var(--ly-paper);
  border: 1px solid var(--ly-line-soft);
  border-radius: var(--radius);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-index-link .mono {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ly-orange);
}

.page-faq .faq-index-link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 7px;
  bottom: 7px;
  width: 2px;
  background: transparent;
  transition: background .18s var(--ease);
}

.page-faq .faq-index-link:hover {
  background: var(--ly-mist);
  border-color: var(--ly-line-strong);
}

.page-faq .faq-index-link:hover::before {
  background: var(--ly-orange);
}

.page-faq .faq-index-link:focus-visible::before {
  background: var(--ly-orange);
}

@media (max-width: 999px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
}

.page-faq .faq-aside-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ly-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--ly-line-strong);
  padding-bottom: 2px;
}

.page-faq .faq-aside-link:hover {
  color: var(--ly-orange);
  border-bottom-color: var(--ly-orange);
}

.page-faq .faq-aside-figure {
  margin: 22px 0 0;
}

.page-faq .faq-aside-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ly-line-soft);
  border-radius: var(--radius);
  object-fit: cover;
}

@media (max-width: 999px) {
  .page-faq .faq-aside-figure {
    display: none;
  }
}

/* ---------- 问答流 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 5vw, 72px);
}

.page-faq .faq-group-head {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ly-blue-deep);
}

.page-faq .faq-group-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--ly-orange);
}

.page-faq .faq-group-title {
  margin: 6px 0 0;
  font-size: clamp(20px, 2.6vw, 29px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-faq .faq-group-desc {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ly-ink);
  opacity: .68;
}

.page-faq .qa {
  border-bottom: 1px solid var(--ly-line-soft);
}

.page-faq .qa-summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 34px 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--ly-blue);
  border-bottom: 1.5px solid var(--ly-blue);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-faq .qa[open] .qa-summary::after {
  transform: rotate(-135deg);
  top: 30px;
}

.page-faq .qa-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ly-orange);
  letter-spacing: .04em;
}

.page-faq .qa-title {
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ly-ink);
}

.page-faq .qa[open] .qa-title {
  color: var(--ly-blue-deep);
}

.page-faq .qa-body {
  padding: 0 34px 20px 0;
  border-top: 1px dashed var(--ly-line-soft);
  padding-top: 14px;
  margin-top: -2px;
}

.page-faq .qa:not([open]) .qa-body {
  display: none;
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
}

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

.page-faq .qa-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .qa-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .qa-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--ly-orange);
}

.page-faq .qa-steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: qa-step;
}

.page-faq .qa-steps li {
  position: relative;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.75;
  counter-increment: qa-step;
}

.page-faq .qa-steps li::before {
  content: counter(qa-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--ly-orange);
}

.page-faq .qa-steps strong {
  font-weight: 700;
  color: var(--ly-blue-deep);
}

.page-faq .faq-price {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--ly-orange);
  white-space: nowrap;
}

.page-faq .faq-inline-link {
  color: var(--ly-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--ly-line-strong);
}

.page-faq .faq-inline-link:hover {
  color: var(--ly-orange);
  border-bottom-color: var(--ly-orange);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-version-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

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

.page-faq .faq-version {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--ly-mist);
  border: 1px solid var(--ly-line-soft);
  border-radius: var(--radius);
}

.page-faq .faq-version-code {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  color: var(--ly-blue-deep);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-version-tag {
  align-self: flex-start;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--ly-blue-deep);
  background: var(--ly-orange-soft);
  border-radius: 999px;
}

.page-faq .faq-version p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ly-ink);
  opacity: .78;
}

.page-faq .faq-version--current {
  background: var(--ly-green);
  border-color: var(--ly-green);
}

.page-faq .faq-version--current .faq-version-code {
  color: var(--ly-sand);
}

.page-faq .faq-version--current p {
  color: var(--ly-sand);
  opacity: .84;
}

.page-faq .faq-version-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ly-ink);
  opacity: .7;
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(36px, 5vw, 72px);
  background: var(--ly-green);
  background-image:
    linear-gradient(90deg, rgba(243, 238, 228, .07) 1px, transparent 1px),
    linear-gradient(rgba(243, 238, 228, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--ly-sand);
}

.page-faq .faq-contact-card {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 80px);
  }
}

.page-faq .faq-contact-main h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--ly-sand);
}

.page-faq .faq-contact .eyebrow {
  color: var(--ly-orange-soft);
}

.page-faq .faq-contact-text {
  margin: 16px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ly-sand);
  opacity: .78;
}

.page-faq .faq-contact-side {
  border-top: 1px solid rgba(243, 238, 228, .28);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(243, 238, 228, .18);
  text-decoration: none;
  color: var(--ly-sand);
}

.page-faq .faq-contact-row--plain {
  margin: 0;
}

.page-faq .faq-contact-k {
  flex: none;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ly-orange-soft);
}

.page-faq .faq-contact-v {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  word-break: break-all;
}

a.page-faq .faq-contact-v {
  color: inherit;
}

.page-faq a.faq-contact-row:hover .faq-contact-v {
  color: var(--ly-orange);
}

.page-faq .faq-contact-hours {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ly-sand);
  opacity: .66;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-foot-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid rgba(243, 238, 228, .22);
}

.page-faq .faq-top-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ly-sand);
  background: transparent;
  border: 1px solid rgba(243, 238, 228, .38);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-top-btn:hover {
  color: var(--ly-orange-soft);
  border-color: var(--ly-orange-soft);
}

.page-faq .faq-foot-link {
  font-size: 13px;
  color: var(--ly-sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 238, 228, .4);
  padding-bottom: 2px;
}

.page-faq .faq-foot-link:hover {
  color: var(--ly-orange-soft);
  border-bottom-color: var(--ly-orange-soft);
}
<<<END>>>