.page-faq {
  --faq-ok: var(--mnb-cyan);
  --faq-alert: var(--mnb-orange);
  --faq-new: var(--mnb-yellow);
  --faq-soft: rgba(148, 163, 184, .28);
  background: var(--mnb-bg);
  color: var(--mnb-ink);
}

/* 面包屑 */
.page-faq .mnb-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--mnb-mono);
  font-size: 13px;
  color: var(--mnb-muted);
}

.page-faq .mnb-crumbs a {
  color: var(--mnb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  padding-bottom: 1px;
}

.page-faq .mnb-crumbs a:hover,
.page-faq .mnb-crumbs a:focus-visible {
  border-bottom-color: var(--mnb-cyan);
}

.page-faq .mnb-crumbs [aria-current="page"] {
  color: var(--mnb-ink);
}

/* 首屏 */
.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--mnb-gap);
  margin-top: clamp(22px, 4vw, 46px);
}

.page-faq .faq-hero .mnb-h1 {
  margin: 14px 0 0;
}

.page-faq .faq-hero .mnb-lead {
  margin-top: 16px;
}

.page-faq .faq-stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.page-faq .faq-stat {
  border: 1px solid var(--mnb-line);
  border-left: 3px solid var(--faq-ok);
  background: rgba(14, 59, 67, .4);
  padding: 12px 14px;
  border-radius: var(--mnb-radius);
}

.page-faq .faq-stat:nth-child(2) {
  border-left-color: var(--faq-new);
}

.page-faq .faq-stat:nth-child(3) {
  border-left-color: var(--faq-alert);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--mnb-mono);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--mnb-ink);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mnb-muted);
}

.page-faq .faq-narrow {
  max-width: 64ch;
}

/* 排查流程图 */
.page-faq .faq-flow {
  margin: clamp(20px, 3vw, 32px) 0 var(--mnb-gap);
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  background: var(--mnb-deep);
  overflow: hidden;
}

.page-faq .faq-flow img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 620;
  object-fit: cover;
}

.page-faq .faq-flow__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--mnb-line);
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mnb-muted);
}

/* 折叠步骤 */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  border: 1px solid var(--mnb-line);
  border-left: 3px solid var(--faq-ok);
  border-radius: var(--mnb-radius);
  background: rgba(8, 19, 31, .72);
  overflow: hidden;
}

.page-faq .faq-step--alert {
  border-left-color: var(--faq-alert);
}

.page-faq .faq-step > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mnb-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--faq-ok);
  transition: transform .2s var(--mnb-ease);
}

.page-faq .faq-step[open] > summary::after {
  content: "–";
}

.page-faq .faq-step--alert > summary::after {
  color: var(--faq-alert);
}

.page-faq .faq-step > summary:focus-visible {
  outline: 2px solid var(--faq-ok);
  outline-offset: -2px;
}

.page-faq .faq-step__no {
  font-family: var(--mnb-mono);
  font-size: 13px;
  color: var(--mnb-muted);
  border: 1px solid var(--mnb-line);
  border-radius: 2px;
  padding: 2px 7px;
}

.page-faq .faq-step__title {
  font-family: var(--mnb-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
}

.page-faq .faq-step__body {
  padding: 0 16px 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: #C7D2DE;
}

.page-faq .faq-step__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-step__body a {
  color: var(--mnb-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 问题分类 */
.page-faq .faq-split {
  display: grid;
  gap: var(--mnb-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-rail__label {
  margin: 0 0 10px;
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: #5A7484;
}

.page-faq .faq-tabs .mnb-tabs__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  border: 0;
}

.page-faq .faq-tabs .mnb-tabs__tab {
  width: 100%;
  min-height: 44px;
  padding: 11px 14px;
  text-align: left;
  font: inherit;
  font-weight: 700;
  color: #0B1B2B;
  background: #FFFFFF;
  border: 1px solid rgba(11, 27, 43, .16);
  border-left: 3px solid rgba(11, 27, 43, .2);
  border-radius: var(--mnb-radius);
  cursor: pointer;
  transition: background .18s var(--mnb-ease), color .18s var(--mnb-ease);
}

.page-faq .faq-tabs .mnb-tabs__tab[aria-selected="true"] {
  background: var(--mnb-indigo);
  border-color: var(--mnb-indigo);
  border-left-color: var(--mnb-cyan);
  color: #FFFFFF;
}

.page-faq .faq-tabs .mnb-tabs__tab:focus-visible {
  outline: 2px solid var(--mnb-indigo);
  outline-offset: 2px;
}

.page-faq .faq-rail__links {
  list-style: none;
  margin: 18px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(11, 27, 43, .14);
  display: grid;
  gap: 6px;
}

.page-faq .faq-rail__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  font-size: 14px;
  color: #0E5A66;
  text-decoration: none;
  border-bottom: 1px dashed rgba(11, 27, 43, .18);
}

.page-faq .faq-rail__links a:hover,
.page-faq .faq-rail__links a:focus-visible {
  color: var(--mnb-indigo);
  border-bottom-color: var(--mnb-indigo);
}

.page-faq .faq-rail__links span {
  font-family: var(--mnb-mono);
  font-size: 12px;
  color: #6B8391;
}

.page-faq .faq-panels {
  padding: clamp(16px, 3vw, 26px);
  background: #FFFFFF;
  border: 1px solid rgba(11, 27, 43, .14);
  border-radius: var(--mnb-radius);
}

.page-faq .faq-qa {
  margin: 0;
}

.page-faq .faq-q {
  padding: 16px 0;
  border-top: 1px dashed rgba(11, 27, 43, .16);
}

.page-faq .faq-q:first-child {
  padding-top: 0;
  border-top: 0;
}

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

.page-faq .faq-q__q {
  margin: 0;
  font-family: var(--mnb-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: #0B1B2B;
}

.page-faq .faq-q__a {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: #3D5568;
}

.page-faq .faq-crosslink {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid rgba(49, 46, 129, .26);
  border-left: 3px solid var(--mnb-indigo);
  background: rgba(49, 46, 129, .06);
  border-radius: var(--mnb-radius);
}

.page-faq .faq-crosslink p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #22323F;
}

/* 状态码 */
.page-faq .faq-codes {
  display: grid;
  gap: var(--mnb-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  background: rgba(8, 19, 31, .6);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--mnb-line);
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .faq-table thead th {
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--mnb-muted);
  background: rgba(14, 59, 67, .45);
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody td:first-child,
.page-faq .faq-table tbody td:last-child {
  white-space: nowrap;
}

.page-faq .faq-table tbody td:nth-child(2) {
  color: #CBD5E1;
  font-size: 14.5px;
}

.page-faq .faq-code {
  display: inline-block;
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  padding: 3px 8px;
  border: 1px solid;
  border-radius: 2px;
}

.page-faq .faq-code--ok {
  color: var(--mnb-cyan);
  border-color: rgba(34, 211, 238, .5);
  background: rgba(34, 211, 238, .1);
}

.page-faq .faq-code--alert {
  color: var(--mnb-orange);
  border-color: rgba(249, 115, 22, .5);
  background: rgba(249, 115, 22, .1);
}

.page-faq .faq-code--new {
  color: var(--mnb-yellow);
  border-color: rgba(250, 204, 21, .5);
  background: rgba(250, 204, 21, .12);
}

.page-faq .faq-codefig {
  margin: 0;
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  background: var(--mnb-deep);
  overflow: hidden;
}

.page-faq .faq-codefig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 760 / 480;
  object-fit: cover;
}

.page-faq .faq-codefig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--mnb-line);
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  color: var(--mnb-muted);
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(249, 115, 22, .38);
  border-left: 3px solid var(--faq-alert);
  border-radius: var(--mnb-radius);
  background: rgba(127, 29, 29, .22);
  font-size: 14.5px;
  line-height: 1.75;
  color: #F3DACE;
}

/* 反馈指引 */
.page-faq .faq-give {
  display: grid;
  gap: var(--mnb-gap);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(99, 102, 241, .45);
  border-radius: var(--mnb-radius);
  background: var(--mnb-indigo);
}

.page-faq .faq-give .mnb-h2,
.page-faq .faq-give .mnb-h3 {
  color: #FFFFFF;
}

.page-faq .faq-give__main p {
  color: #D9DAF7;
  line-height: 1.8;
}

.page-faq .faq-give__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-give .mnb-btn {
  min-height: 44px;
}

.page-faq .faq-give .mnb-btn--ghost {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, .55);
}

.page-faq .faq-give__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-give__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--mnb-radius);
  background: rgba(255, 255, 255, .07);
  font-size: 14.5px;
  line-height: 1.7;
  color: #EDEEFF;
}

.page-faq .faq-give__list li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--mnb-yellow);
}

/* 延伸入口 */
.page-faq .faq-next {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-next a {
  display: block;
  min-height: 44px;
  padding: 18px;
  border: 1px solid var(--mnb-line);
  border-top: 3px solid var(--faq-ok);
  border-radius: var(--mnb-radius);
  background: rgba(8, 19, 31, .7);
  color: var(--mnb-ink);
  text-decoration: none;
  transition: transform .2s var(--mnb-ease), border-color .2s var(--mnb-ease);
}

.page-faq .faq-next a:nth-child(2) {
  border-top-color: var(--faq-new);
}

.page-faq .faq-next a:nth-child(3) {
  border-top-color: var(--faq-alert);
}

.page-faq .faq-next a:hover,
.page-faq .faq-next a:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, .45);
}

.page-faq .faq-next strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mnb-display);
  font-weight: 700;
  font-size: 17px;
}

.page-faq .faq-next span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mnb-muted);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(220px, 288px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-codes {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-give {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step > summary::after,
  .page-faq .faq-tabs .mnb-tabs__tab,
  .page-faq .faq-next a {
    transition: none;
  }

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