.page-faq {
  display: block;
  background: var(--kx-void);
  color: var(--kx-ink);
}

/* 面包屑与页首 */
.page-faq .faq-crumb-bar {
  padding-top: 20px;
}

.page-faq .faq-hero {
  max-width: 840px;
  display: grid;
  gap: 14px;
  padding-top: 22px;
  padding-bottom: 4px;
}

.page-faq .faq-hero .kx-lede {
  max-width: 74ch;
  color: var(--kx-mist);
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  width: 96px;
  height: 3px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--kx-cyan), var(--kx-amber));
}

/* 快捷路径区 */
.page-faq .faq-quick {
  display: grid;
  gap: 28px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--kx-line);
}

.page-faq .faq-quick__main {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-faq .faq-path {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.page-faq .faq-path__item {
  position: relative;
  display: block;
  padding: 15px 20px 15px 22px;
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
  color: var(--kx-ink);
  text-decoration: none;
  transition: transform 0.2s var(--kx-ease), border-color 0.2s var(--kx-ease),
    background 0.2s var(--kx-ease);
}

.page-faq .faq-path__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  bottom: -1px;
  width: 3px;
  background: var(--kx-cyan);
}

.page-faq .faq-path__item::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 14px;
  height: 14px;
  background: var(--kx-amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-path__item:hover,
.page-faq .faq-path__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--kx-cyan-deep);
  background: linear-gradient(160deg, var(--kx-panel), var(--kx-hull));
}

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

.page-faq .faq-path__no {
  display: block;
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--kx-amber);
}

.page-faq .faq-path__label {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--kx-ink);
}

.page-faq .faq-path__hint {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--kx-mist);
}

.page-faq .faq-quick__visual {
  margin: 0;
  padding: 10px;
  background: var(--kx-hull);
  border: 1px solid var(--kx-line);
}

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

.page-faq .faq-quick__visual .kx-media__cap {
  margin-top: 8px;
}

/* 主体：目录 + 问答 */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  margin-top: 56px;
}

.page-faq .faq-side__nav {
  border-top: 1px solid var(--kx-line);
  padding-top: 12px;
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--kx-mist);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s var(--kx-ease), border-color 0.2s var(--kx-ease),
    background 0.2s var(--kx-ease);
}

.page-faq .faq-side__list a span {
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--kx-dim);
}

.page-faq .faq-side__list a:hover {
  color: var(--kx-ink);
  border-left-color: var(--kx-cyan-deep);
}

.page-faq .faq-side__list a[aria-current="true"] {
  color: var(--kx-ink);
  border-left-color: var(--kx-cyan);
  background: rgba(55, 214, 230, 0.07);
}

.page-faq .faq-side__list a[aria-current="true"] span {
  color: var(--kx-amber);
}

.page-faq .faq-list {
  display: grid;
  gap: 52px;
  max-width: 780px;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--kx-shell-h) + 20px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--kx-line);
}

.page-faq .faq-group__no {
  font-family: var(--kx-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--kx-amber);
}

.page-faq .faq-group__note {
  flex-basis: 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--kx-mist);
}

.page-faq .faq-items {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
  border-left: 3px solid var(--kx-line);
  transition: border-color 0.25s var(--kx-ease), background 0.25s var(--kx-ease);
}

.page-faq .faq-item:hover {
  border-left-color: var(--kx-cyan-deep);
}

.page-faq .faq-item[open] {
  border-left-color: var(--kx-amber);
  background: linear-gradient(180deg, rgba(16, 30, 51, 0.92), rgba(10, 19, 34, 0.92));
}

.page-faq .faq-item__q {
  position: relative;
  padding: 15px 48px 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--kx-ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--kx-font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--kx-cyan);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "−";
  color: var(--kx-amber);
}

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

.page-faq .faq-item__a {
  padding: 0 20px 18px 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--kx-mist);
}

.page-faq .faq-item__a::before {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  margin-bottom: 12px;
  background: var(--kx-line);
}

.page-faq .faq-item__a p {
  margin: 0;
}

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

.page-faq .faq-item__a a:hover {
  color: var(--kx-amber);
}

.page-faq .faq-panel-figure {
  margin: 20px 0 0;
  padding: 10px;
  background: var(--kx-hull);
  border: 1px solid var(--kx-line);
}

.page-faq .faq-panel-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-panel-figure .kx-media__cap {
  margin-top: 8px;
}

/* 底部支持条 */
.page-faq .faq-support {
  display: grid;
  gap: 20px;
  margin-top: 56px;
  margin-bottom: 56px;
  padding: 26px 24px;
  background: linear-gradient(135deg, rgba(22, 121, 133, 0.18), rgba(10, 19, 34, 0.94));
  border: 1px solid var(--kx-line);
  border-left: 3px solid var(--kx-cyan);
}

.page-faq .faq-support__lede {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--kx-mist);
  max-width: 52ch;
}

.page-faq .faq-support__channels {
  display: grid;
  gap: 10px;
  font-family: var(--kx-font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-support__row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--kx-line);
}

.page-faq .faq-support__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .faq-support__k {
  flex: 0 0 auto;
  min-width: 44px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--kx-amber);
}

.page-faq .faq-support__v {
  flex: 1 1 auto;
  color: var(--kx-ink);
  word-break: break-word;
}

/* 桌面端布局 */
@media (min-width: 560px) {
  .page-faq .faq-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-quick {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 36px;
    padding: 32px 36px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--kx-shell-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path__item,
  .page-faq .faq-side__list a,
  .page-faq .faq-item {
    transition: none;
  }

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