.page-faq {
  --faq-shadow: 0 1px 0 rgba(14, 17, 22, .04), 0 20px 42px -30px rgba(14, 17, 22, .55);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 40px;
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(29, 78, 216, .55) 0%, rgba(29, 78, 216, 0) 58%),
    linear-gradient(135deg, #0B2A5B 0%, #0E1116 66%);
  color: var(--cream);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(244, 240, 232, .055) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -220px;
  right: -150px;
  width: 460px;
  height: 460px;
  background: var(--orange);
  opacity: .14;
  transform: rotate(26deg);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .crumbs,
.page-faq .faq-hero .crumbs a,
.page-faq .faq-hero .crumbs span {
  color: rgba(244, 240, 232, .7);
  font-size: 12px;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 18px;
}

.page-faq .faq-hero__intro h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -.015em;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 240, 232, .84);
}

.page-faq .faq-hero__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: 20px;
  padding: 10px 14px;
  border: 1px solid rgba(244, 240, 232, .22);
  background: rgba(14, 17, 22, .35);
}

.page-faq .faq-hero__path-key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-hero__path-step {
  font-size: 13px;
  color: var(--paper);
}

.page-faq .faq-hero__path-step b {
  color: var(--orange);
  margin-right: 4px;
  font-weight: 600;
}

.page-faq .faq-hero__path-arrow {
  color: var(--cyan);
  font-size: 14px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 20px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid rgba(244, 240, 232, .16);
}

.page-faq .faq-hero__meta li {
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(244, 240, 232, .72);
}

.page-faq .faq-hero__meta .mono {
  display: inline-block;
  margin-right: 5px;
  font-size: 16px;
  color: var(--cyan);
}

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  aspect-ratio: 2 / 1;
  border: 1px solid rgba(244, 240, 232, .2);
  background: var(--deep);
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-hero__figure .media__badge {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 4px 9px;
  font-size: 10px;
  letter-spacing: .14em;
  background: var(--orange);
  color: var(--ink);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 28px;
  padding-bottom: 54px;
}

.page-faq .faq-layout {
  gap: 26px;
  align-items: start;
}

.page-faq .faq-rail {
  position: static;
  padding: 16px 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-faq .index-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--stone);
}

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

.page-faq .index-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 9px;
  font-size: 13px;
  text-decoration: none;
  color: var(--ink);
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .index-rail__list a .mono {
  font-size: 11px;
  color: var(--clay);
}

.page-faq .index-rail__list a:hover,
.page-faq .index-rail__list a:focus-visible {
  background: var(--mist);
  border-left-color: var(--clay);
}

.page-faq .index-rail__list a[aria-current="true"] {
  background: var(--mist);
  border-left-color: var(--blue);
  color: var(--blue);
  font-weight: 600;
}

.page-faq .index-rail__list a[aria-current="true"] .mono {
  color: var(--blue);
}

.page-faq .faq-rail__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 章节 ---------- */
.page-faq .faq-main {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-faq .faq-sec {
  position: relative;
  padding: 22px 16px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  min-width: 0;
}

.page-faq .faq-sec::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 16px solid var(--blue);
  border-left: 16px solid transparent;
  opacity: .75;
}

.page-faq .faq-sec--tint {
  background: var(--mist);
  border-color: rgba(11, 42, 91, .16);
}

.page-faq .faq-sec--tint::after {
  border-top-color: var(--clay);
}

.page-faq .faq-sec--dark {
  background: var(--ink);
  border-color: transparent;
  color: var(--cream);
}

.page-faq .faq-sec--dark::after {
  border-top-color: var(--orange);
  opacity: 1;
}

.page-faq .sec-head {
  margin-bottom: 16px;
}

.page-faq .sec-head__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-faq .sec-head__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 700;
}

.page-faq .sec-head__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-sec--dark .sec-head__num {
  color: var(--orange);
}

.page-faq .faq-sec--dark .sec-head__title {
  color: var(--paper);
}

.page-faq .faq-sec--dark .sec-head__note {
  color: rgba(244, 240, 232, .68);
}

/* ---------- 类别总览 ---------- */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .catchip {
  position: relative;
  display: block;
  padding: 14px 16px 15px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .catchip::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 13px solid var(--clay);
  border-left: 13px solid transparent;
  transition: border-top-color var(--dur) var(--ease);
}

.page-faq .catchip:hover,
.page-faq .catchip:focus-visible {
  background: var(--mist);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-faq .catchip:hover::after,
.page-faq .catchip:focus-visible::after {
  border-top-color: var(--blue);
}

.page-faq .catchip__num {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-faq .catchip__name {
  display: block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-faq .catchip__desc {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--stone);
}

.page-faq .catchip__count {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--moss);
}

/* ---------- 问题卡 ---------- */
.page-faq .qcard {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-faq .qcard[open] {
  border-color: var(--blue);
  box-shadow: var(--faq-shadow);
}

.page-faq .qcard > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qcard__num {
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--clay);
  white-space: nowrap;
}

.page-faq .qcard__q {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .qcard__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .qcard__mark::before,
.page-faq .qcard__mark::after {
  content: "";
  position: absolute;
  background: var(--blue);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qcard__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qcard__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qcard[open] .qcard__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qcard__body {
  padding: 2px 14px 16px;
  border-top: 1px dashed var(--line-strong);
  margin-top: -1px;
  padding-top: 12px;
}

.page-faq .qcard__label {
  margin: 12px 0 6px;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-faq .qcard__steps {
  margin: 0;
  padding-left: 1.15em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qcard__steps li {
  margin: 3px 0;
}

.page-faq .qcard__steps li::marker {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .qcard__result {
  margin: 0;
  padding: 10px 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--mist);
  border-left: 3px solid var(--blue);
}

/* ---------- 版本区块图文 ---------- */
.page-faq .faq-version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-version__cards {
  min-width: 0;
}

.page-faq .faq-version__figure {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid rgba(11, 42, 91, .2);
  background: var(--paper);
  overflow: hidden;
}

.page-faq .faq-version__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-version__figure .media__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 4px 9px;
  font-size: 10px;
  letter-spacing: .14em;
  background: var(--ink);
  color: var(--cyan);
}

/* ---------- 深色支持区 ---------- */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq .qcard--dark {
  background: rgba(244, 240, 232, .04);
  border-color: rgba(244, 240, 232, .18);
}

.page-faq .qcard--dark[open] {
  border-color: var(--cyan);
  box-shadow: none;
}

.page-faq .qcard--dark .qcard__q {
  color: var(--paper);
}

.page-faq .qcard--dark .qcard__num {
  color: var(--orange);
}

.page-faq .qcard--dark .qcard__mark::before,
.page-faq .qcard--dark .qcard__mark::after {
  background: var(--cyan);
}

.page-faq .qcard--dark > summary:focus-visible {
  outline-color: var(--cyan);
}

.page-faq .qcard--dark .qcard__body {
  border-top-color: rgba(244, 240, 232, .18);
}

.page-faq .qcard--dark .qcard__label {
  color: rgba(244, 240, 232, .55);
}

.page-faq .qcard--dark .qcard__steps {
  color: rgba(244, 240, 232, .86);
}

.page-faq .qcard--dark .qcard__steps li::marker {
  color: var(--cyan);
}

.page-faq .qcard--dark .qcard__result {
  background: rgba(55, 224, 200, .1);
  border-left-color: var(--cyan);
  color: rgba(244, 240, 232, .9);
}

.page-faq .faq-support__panel {
  padding: 16px;
  border: 1px solid rgba(244, 240, 232, .18);
  background: rgba(11, 42, 91, .45);
}

.page-faq .faq-support__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 4.6em minmax(0, 1fr);
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(244, 240, 232, .12);
}

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

.page-faq .faq-contact__row dt {
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(244, 240, 232, .55);
  padding-top: 2px;
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(244, 240, 232, .66);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 回顶链接 ---------- */
.page-faq .faq-back {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
}

.page-faq .faq-back a {
  display: inline-block;
  padding: 6px 0;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-back a:hover,
.page-faq .faq-back a:focus-visible {
  border-bottom-color: var(--blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-sec {
    padding: 24px 22px 26px;
  }

  .page-faq .qcard__q {
    font-size: 15.5px;
  }

  .page-faq .qcard > summary {
    padding: 15px 18px;
  }

  .page-faq .qcard__body {
    padding: 12px 18px 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 26px 0 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 36px;
    align-items: center;
    margin-top: 26px;
  }

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

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-faq .faq-version {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 22px;
    align-items: start;
  }

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

@media (min-width: 1140px) {
  .page-faq .faq-sec {
    padding: 28px 28px 30px;
  }

  .page-faq .faq-body {
    padding-top: 36px;
  }

  .page-faq .faq-layout {
    gap: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .catchip,
  .page-faq .qcard,
  .page-faq .qcard__mark::before,
  .page-faq .qcard__mark::after,
  .page-faq .index-rail__list a {
    transition: none;
  }

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