.page-faq {
  --faq-rail: 232px;
  --faq-radius: 16px;
  position: relative;
  overflow-x: clip;
}

.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(108, 62, 240, 0.32), transparent 62%),
    linear-gradient(180deg, rgba(21, 16, 51, 0.9), rgba(11, 16, 38, 0));
}

.page-faq .faq-hero__inner {
  display: block;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .faq-hero__lead .label {
  color: var(--cyan);
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 7vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 900;
  color: var(--text);
  max-width: 15em;
}

.page-faq .faq-hero__lead .lede {
  margin-top: 18px;
  max-width: 46em;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
}

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

/* 快捷检索 */
.page-faq .faq-search {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-search__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(244, 241, 255, 0.05);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(57, 240, 208, 0.16);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  padding: 12px 0;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--fog);
}

.page-faq .faq-search__input:focus {
  outline: none;
}

.page-faq .faq-search__input::-webkit-search-cancel-button {
  filter: invert(1) opacity(0.5);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(57, 240, 208, 0.08);
}

/* 热门问题 */
.page-faq .faq-hot {
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hot__grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hot__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(158deg, rgba(108, 62, 240, 0.18), rgba(21, 16, 51, 0.6));
  color: var(--text);
  text-decoration: none;
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.page-faq .faq-hot__item:hover,
.page-faq .faq-hot__item:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(57, 240, 208, 0.42);
}

.page-faq .faq-hot__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-hot__q {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
}

.page-faq .faq-hot__go {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 主体布局 */
.page-faq .faq-main {
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-main__heading {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .faq-layout {
  display: block;
}

.page-faq .faq-rail {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-rail__title {
  color: var(--mist);
  margin-bottom: 10px;
}

.page-faq .faq-rail__nav {
  position: relative;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--line-strong);
  color: var(--text);
}

.page-faq .faq-rail__index {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-faq .faq-rail__link[aria-current="location"] {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(57, 240, 208, 0.1);
}

.page-faq .faq-rail__link[aria-current="location"] .faq-rail__index {
  color: var(--cyan);
}

.page-faq .faq-rail__foot {
  display: none;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: 20px;
}

.page-faq .faq-group__no {
  flex: none;
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(108, 62, 240, 0.85);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46em;
}

/* 折叠问答 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(21, 16, 51, 0.52);
  transition: border-color 0.24s ease, background 0.24s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(57, 240, 208, 0.34);
  background: linear-gradient(180deg, rgba(108, 62, 240, 0.16), rgba(21, 16, 51, 0.66));
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 60px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: 14px;
}

.page-faq .faq-item__no {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: 16px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 2px;
  margin-top: -1px;
  border-radius: 2px;
  background: var(--mist);
  transition: transform 0.26s ease, background 0.26s ease;
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
}

.page-faq .faq-item__a {
  padding: 0 18px 20px 18px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(230, 255, 251, 0.86);
  max-width: 44em;
}

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

/* 状态点图例 */
.page-faq .faq-legend {
  display: grid;
  gap: 10px;
  padding: 18px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(21, 16, 51, 0.6);
}

.page-faq .faq-legend__row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-legend__row strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-legend .status-dot {
  flex: none;
  margin-top: 7px;
}

.page-faq .faq-legend__dot--muted {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--fog);
  display: inline-block;
}

/* 设备场景图 */
.page-faq .faq-device-media {
  margin: 0 0 22px;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

/* 截图清单 */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(244, 241, 255, 0.04);
}

.page-faq .faq-checklist__box {
  flex: none;
  width: 22px;
  height: 22px;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(11, 16, 38, 0.85);
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-checklist__box:checked {
  border-color: var(--cyan);
  background: rgba(57, 240, 208, 0.18);
}

.page-faq .faq-checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

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

.page-faq .faq-checklist__label {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(230, 255, 251, 0.9);
  cursor: pointer;
}

.page-faq .faq-checklist__box:checked + .faq-checklist__label {
  color: var(--mist);
  text-decoration: line-through;
  text-decoration-color: rgba(185, 167, 255, 0.5);
}

/* 收尾行动区 */
.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid rgba(108, 62, 240, 0.42);
  border-radius: var(--faq-radius);
  background: linear-gradient(122deg, rgba(108, 62, 240, 0.28), rgba(57, 240, 208, 0.1));
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .faq-cta__text p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-device-media {
    aspect-ratio: 21 / 9;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 24px 26px;
  }

  .page-faq .faq-item__a {
    padding-left: 58px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-device-media {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    margin-bottom: 0;
  }

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 10px 10px 10px 14px;
    white-space: normal;
    align-items: baseline;
    background: transparent;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--line-strong);
    background: rgba(244, 241, 255, 0.04);
  }

  .page-faq .faq-rail__link[aria-current="location"] {
    border-left-color: var(--cyan);
    background: rgba(57, 240, 208, 0.07);
  }

  .page-faq .faq-rail__foot {
    display: block;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__item,
  .page-faq .faq-chip,
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-search__field,
  .page-faq .faq-checklist__box,
  .page-faq .faq-rail__link {
    transition: none;
  }

  .page-faq .faq-hot__item:hover {
    transform: none;
  }
}
<<<END>>>