.page-faq {
  --faq-index-w: 268px;
  --faq-cut: 16px;
  background: var(--paper-100);
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .guide-hero {
  padding: 28px 0 0;
}

.page-faq .guide-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .guide-hero__lead .eyebrow {
  margin: 0 0 14px;
}

.page-faq .guide-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.035em;
  color: var(--ink-900);
  max-width: 15ch;
}

.page-faq .guide-hero__intro .lede {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-700);
  max-width: 62ch;
}

.page-faq .guide-hero__stamp {
  margin: 18px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
  padding-left: 14px;
  border-left: 3px solid var(--cyan-bright);
}

.page-faq .guide-hero::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 38px;
  background: linear-gradient(90deg, var(--amber-bright), var(--cyan-bright));
}

@media (min-width: 900px) {
  .page-faq .guide-hero {
    padding-top: 44px;
  }
  .page-faq .guide-hero__inner {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: end;
  }
}

/* ---------- 两栏骨架 ---------- */
.page-faq .guide-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 38px;
}

@media (min-width: 1000px) {
  .page-faq .guide-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .guide-index__title {
  margin: 0 0 14px;
  padding-left: 16px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.page-faq .guide-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  position: relative;
}

.page-faq .guide-index__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}

.page-faq .guide-index__link {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 6px 9px 0;
  text-decoration: none;
  color: var(--ink-700);
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  transition: color 0.16s var(--ease);
}

.page-faq .guide-index__link::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--cyan-bright);
  transform: translateY(-50%) scaleX(0);
  transform-origin: left center;
  transition: transform 0.18s var(--ease);
}

.page-faq .guide-index__link:hover,
.page-faq .guide-index__link:focus-visible {
  color: var(--cyan-deep);
}

.page-faq .guide-index__link:hover::before,
.page-faq .guide-index__link:focus-visible::before {
  transform: translateY(-50%) scaleX(1);
}

.page-faq .guide-index__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  padding-top: 2px;
}

@media (min-width: 1000px) {
  .page-faq .guide-index {
    position: sticky;
    top: 124px;
  }
}

/* ---------- 右侧答案区 ---------- */
.page-faq .guide-answers {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.page-faq .qa {
  position: relative;
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-700);
  padding: 24px 20px 22px;
  scroll-margin-top: 132px;
}

.page-faq .qa--new {
  border-left-color: var(--cyan-bright);
}

.page-faq .qa--old {
  border-left-color: var(--amber-bright);
}

.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .qa__no {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gray-500);
}

.page-faq .qa h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 4.4vw, 25px);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--ink-900);
}

.page-faq .qa__lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-900);
  max-width: 60ch;
}

.page-faq .qa__lead--tight {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* 步骤条 */
.page-faq .qa-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .qa-steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  padding: 13px 14px;
  background: var(--paper-100);
  border: 1px solid var(--line);
}

.page-faq .qa-steps__badge {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--paper-50);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.page-faq .qa-steps__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-faq .qa-steps__text strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.03em;
  color: var(--ink-900);
  margin-bottom: 3px;
}

@media (min-width: 700px) {
  .page-faq .qa-steps--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .qa-steps--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 说明图 */
.page-faq .qa-figure {
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .qa-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--paper-100);
}

.page-faq .qa-figure__cap {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-500);
}

/* 键值行 */
.page-faq .qa-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .qa-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-faq .qa-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-list__key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--ink-900);
}

.page-faq .qa-list__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

@media (min-width: 620px) {
  .page-faq .qa-list__item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* 分流卡 */
.page-faq .qa-routes {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .qa-routes__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 15px 17px;
  background: var(--paper-100);
  border: 1px solid var(--line);
}

.page-faq .qa-routes__tag {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 3px 9px;
  color: var(--paper-50);
  background: var(--ink-700);
}

.page-faq .qa-routes__tag--new {
  background: var(--cyan-deep);
}

.page-faq .qa-routes__tag--old {
  background: var(--amber-deep);
}

.page-faq .qa-routes__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

@media (min-width: 760px) {
  .page-faq .qa-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 兜底行 */
.page-faq .qa__fallback {
  margin: 18px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--gray-500);
}

.page-faq .qa__fallback a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-faq .qa--old .qa__fallback a {
  color: var(--amber-deep);
}

.page-faq .qa__fallback a:hover,
.page-faq .qa__fallback a:focus-visible {
  color: var(--ink-900);
}

/* ---------- 速查表 ---------- */
.page-faq .guide-quick {
  margin-top: 58px;
  padding: 28px 20px 24px;
  background: var(--paper-50);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ink-900);
}

.page-faq .guide-quick__head {
  margin-bottom: 20px;
}

.page-faq .guide-quick h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 4.6vw, 28px);
  line-height: 1.25;
  letter-spacing: 0.035em;
  color: var(--ink-900);
}

.page-faq .guide-quick__sub {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-500);
  max-width: 56ch;
}

.page-faq .guide-quick__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .quick-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 15px;
}

.page-faq .quick-table thead th {
  padding: 0 14px 10px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--ink-700);
  white-space: nowrap;
}

.page-faq .quick-table tbody th,
.page-faq .quick-table tbody td {
  padding: 12px 14px 12px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
  color: var(--ink-700);
  line-height: 1.6;
}

.page-faq .quick-table tbody th {
  font-family: var(--font-display);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .quick-table tbody th a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-bright);
  padding-bottom: 1px;
}

.page-faq .quick-table tbody th a:hover,
.page-faq .quick-table tbody th a:focus-visible {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

.page-faq .quick-table tbody tr {
  transition: background-color 0.16s var(--ease);
}

.page-faq .quick-table tbody tr:hover {
  background: var(--cyan-pale);
}

.page-faq .quick-table tbody tr:last-child th,
.page-faq .quick-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .ver--new {
  color: var(--cyan-deep);
}

.page-faq .ver--old {
  color: var(--amber-deep);
}

.page-faq .ver--both {
  color: var(--ink-700);
}

/* ---------- 滚动显现 ---------- */
.page-faq .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}

.page-faq .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.page-faq .guide-answers .reveal:nth-child(2) {
  transition-delay: 0.06s;
}

.page-faq .guide-answers .reveal:nth-child(3) {
  transition-delay: 0.12s;
}

.page-faq .guide-answers .reveal:nth-child(4) {
  transition-delay: 0.06s;
}

.page-faq .guide-answers .reveal:nth-child(5) {
  transition-delay: 0.12s;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .reveal,
  .page-faq .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: opacity 0.12s linear;
    transition-delay: 0s !important;
  }
  .page-faq .guide-index__link::before {
    transition: none;
  }
}

/* ---------- 宽屏收口 ---------- */
@media (min-width: 1180px) {
  .page-faq .qa {
    padding: 28px 30px 26px;
  }
  .page-faq .guide-quick {
    padding: 34px 32px 30px;
  }
}
<<<END>>>