.page-faq {
  --faq-shell-line: rgba(42, 58, 90, 0.92);
  --faq-soft: rgba(175, 192, 216, 0.92);
  position: relative;
  overflow-x: clip;
  color: var(--mk-paper);
  background:
    radial-gradient(760px 420px at 92% -6%, rgba(31, 166, 166, 0.18), transparent 64%),
    radial-gradient(620px 380px at 2% 18%, rgba(230, 79, 160, 0.10), transparent 62%),
    var(--mk-navy);
}

.page-faq .faq-hero {
  padding: 26px 0 4px;
}

.page-faq .faq-hero__head {
  max-width: 68ch;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--mk-paper);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mk-muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 首屏状态条：移动端纵向，桌面端四列 */
.page-faq .faq-ledger {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--faq-shell-line);
  background: rgba(17, 28, 61, 0.72);
}

.page-faq .faq-ledger__cell {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--faq-shell-line);
}

.page-faq .faq-ledger__cell:last-child {
  border-bottom: 0;
}

.page-faq .faq-ledger__key {
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mk-cyan);
}

.page-faq .faq-ledger__val {
  font-size: 14px;
  color: var(--mk-paper);
  white-space: nowrap;
}

.page-faq .faq-ledger__val .mk-mono {
  font-size: 17px;
  color: var(--mk-gold);
}

/* 主体：左侧常驻索引卡 + 右侧问题标签页 */
.page-faq .faq-body {
  padding: 34px 0 0;
}

.page-faq .faq-body__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-faq .faq-index-card {
  position: relative;
  padding: 22px 18px 20px;
  border: 1px solid var(--faq-shell-line);
  background: linear-gradient(158deg, rgba(17, 28, 61, 0.97), rgba(11, 18, 38, 0.97));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-faq .faq-index-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--mk-teal), var(--mk-gold) 68%, var(--mk-magenta));
}

.page-faq .faq-index-card__title {
  margin: 12px 0 0;
  font-family: var(--mk-display);
  font-size: 22px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--mk-paper);
  letter-spacing: 0.01em;
}

.page-faq .faq-index-card__list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-index-card__row {
  display: grid;
  gap: 3px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--faq-shell-line);
}

.page-faq .faq-index-card__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-index-card__key {
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mk-cyan);
}

.page-faq .faq-index-card__val {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mk-paper);
}

.page-faq .faq-index-card__count {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 18px 0 12px;
  font-size: 13px;
  color: var(--mk-muted);
}

.page-faq .faq-index-card__count .mk-mono {
  font-size: 30px;
  line-height: 1;
  color: var(--mk-gold);
}

.page-faq .faq-rail__figure {
  margin: 18px 0 0;
}

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

.page-faq .faq-rail__figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mk-muted);
}

.page-faq .faq-panels__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.page-faq .faq-panels__title {
  margin: 0;
  font-size: clamp(22px, 4vw, 30px);
  color: var(--mk-paper);
}

.page-faq .faq-panels__hint {
  margin: 0;
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mk-muted);
}

.page-faq .faq-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--faq-shell-line);
  scrollbar-width: thin;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  appearance: none;
  padding: 10px 14px;
  border: 1px solid var(--faq-shell-line);
  background: rgba(17, 28, 61, 0.62);
  color: var(--mk-muted);
  font-family: var(--mk-body);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color 180ms var(--mk-ease), background 180ms var(--mk-ease), border-color 180ms var(--mk-ease);
}

.page-faq .faq-tab:hover {
  color: var(--mk-paper);
  border-color: var(--mk-teal);
}

.page-faq .faq-tab[aria-selected="true"] {
  color: var(--mk-navy);
  background: var(--mk-gold);
  border-color: var(--mk-gold);
  font-weight: 700;
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: 2px;
}

.page-faq .faq-panel {
  padding-top: 18px;
  animation: faqPanelIn 220ms var(--mk-ease);
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: 4px;
}

@keyframes faqPanelIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-q {
  margin-bottom: 10px;
  border: 1px solid var(--faq-shell-line);
  border-left: 3px solid var(--mk-teal);
  background: rgba(11, 18, 38, 0.72);
}

.page-faq .faq-q[open] {
  border-left-color: var(--mk-magenta);
  background: rgba(17, 28, 61, 0.9);
}

.page-faq .faq-q__q {
  position: relative;
  padding: 14px 44px 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--mk-paper);
}

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

.page-faq .faq-q__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mk-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--mk-cyan);
}

.page-faq .faq-q[open] .faq-q__q::after {
  content: "–";
  color: var(--mk-magenta);
}

.page-faq .faq-q__q:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: -2px;
}

.page-faq .faq-q__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-q__body p {
  margin: 0 0 8px;
}

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

.page-faq .faq-panel__more {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-faq .faq-panel__more a {
  color: var(--mk-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 224, 200, 0.4);
}

.page-faq .faq-panel__more a:hover {
  color: var(--mk-gold);
  border-bottom-color: var(--mk-gold);
}

/* 六步路径 */
.page-faq .faq-steps {
  margin-top: 42px;
  padding: 30px 0;
  background: linear-gradient(180deg, rgba(17, 28, 61, 0.66), rgba(11, 18, 38, 0.2));
  border-top: 1px solid var(--faq-shell-line);
  border-bottom: 1px solid var(--faq-shell-line);
}

.page-faq .faq-steps__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

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

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

.page-faq .faq-steps__media figcaption {
  margin-top: 8px;
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mk-muted);
}

.page-faq .faq-steps__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mk-muted);
}

.page-faq .faq-steps__list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--faq-shell-line);
}

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

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

.page-faq .faq-step__num {
  font-family: var(--mk-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--mk-gold);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--mk-paper);
}

.page-faq .faq-step__text {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mk-muted);
}

/* 自查清单 */
.page-faq .faq-checks {
  padding: 40px 0 0;
}

.page-faq .faq-checks .mk-h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.4vw, 34px);
  color: var(--mk-paper);
}

.page-faq .faq-checks__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-check {
  padding: 16px;
  border: 1px solid var(--faq-shell-line);
  background: rgba(17, 28, 61, 0.6);
  transition: border-color 180ms var(--mk-ease), background 180ms var(--mk-ease);
}

.page-faq .faq-check:hover {
  border-color: var(--mk-teal);
  background: rgba(17, 28, 61, 0.82);
}

.page-faq .faq-check__title {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--mk-paper);
}

.page-faq .faq-check__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mk-muted);
}

.page-faq .faq-check--lead {
  border-color: rgba(232, 180, 90, 0.5);
  background: linear-gradient(150deg, rgba(232, 180, 90, 0.14), rgba(17, 28, 61, 0.7));
}

.page-faq .faq-check--lead .mk-btn {
  margin-top: 14px;
}

/* 联系支持 */
.page-faq .faq-contact {
  margin: 42px 0 48px;
  padding: 26px 0;
  border-top: 1px solid rgba(232, 180, 90, 0.32);
  background: linear-gradient(180deg, rgba(232, 180, 90, 0.08), rgba(11, 18, 38, 0));
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-faq .faq-contact__lede {
  margin: 12px 0 18px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mk-muted);
}

.page-faq .faq-contact__rows {
  display: grid;
  gap: 0;
  border: 1px solid var(--faq-shell-line);
  background: rgba(17, 28, 61, 0.7);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--faq-shell-line);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mk-cyan);
}

.page-faq .faq-contact__val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mk-paper);
  word-break: break-word;
}

.page-faq .faq-contact__copy {
  flex: 0 0 auto;
  appearance: none;
  padding: 5px 11px;
  border: 1px solid var(--faq-shell-line);
  background: transparent;
  color: var(--mk-muted);
  font-family: var(--mk-body);
  font-size: 12px;
  cursor: pointer;
  transition: color 160ms var(--mk-ease), border-color 160ms var(--mk-ease);
}

.page-faq .faq-contact__copy:hover,
.page-faq .faq-contact__copy:focus-visible {
  color: var(--mk-gold);
  border-color: var(--mk-gold);
}

.page-faq .faq-contact__copy:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: 2px;
}

.page-faq .faq-contact__state {
  flex: 1 1 100%;
  font-family: var(--mk-mono);
  font-size: 11px;
  color: var(--mk-ok);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-faq .faq-ledger {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-ledger__cell {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    border-bottom: 0;
    border-right: 1px solid var(--faq-shell-line);
  }

  .page-faq .faq-ledger__cell:last-child {
    border-right: 0;
  }

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

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
  }

  .page-faq .faq-hero__lede {
    font-size: 16px;
  }
}

/* 桌面：左侧常驻索引卡 + 右侧问题列表 */
@media (min-width: 980px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-body {
    padding-top: 44px;
  }

  .page-faq .faq-body__layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 40px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: center;
  }

  .page-faq .faq-steps {
    padding: 44px 0;
  }

  .page-faq .faq-checks__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-q__q {
    font-size: 16px;
  }

  .page-faq .faq-q__body {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel {
    animation: none;
  }

  .page-faq .faq-tab,
  .page-faq .faq-check,
  .page-faq .faq-contact__copy {
    transition: none;
  }
}
<<<END>>>