.page-faq {
  --faq-rail-w: 272px;
  --faq-line-soft: rgba(74, 90, 138, 0.42);
  --faq-panel: rgba(20, 30, 74, 0.66);
  --faq-panel-strong: rgba(20, 30, 74, 0.94);
}

.page-faq .breadcrumb {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏检索 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 76px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__copy .lede {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 46ch;
}

.page-faq .faq-search {
  margin-top: clamp(22px, 3vw, 34px);
  padding: 10px 16px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(35, 48, 107, 0.62), rgba(11, 18, 48, 0.72));
  box-shadow: 0 12px 32px rgba(5, 8, 22, 0.45);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 242, 224, 0.16), 0 12px 32px rgba(5, 8, 22, 0.5);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  padding: 10px 2px;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(201, 211, 240, 0.58);
}

.page-faq .faq-search__hint {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line-soft);
  color: var(--haze);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  line-height: 1.7;
}

.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-hot__label {
  margin-right: 4px;
  color: var(--haze);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-faq .faq-hot .tag {
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-hot .tag:hover,
.page-faq .faq-hot .tag:focus-visible {
  background: rgba(56, 242, 224, 0.14);
  border-color: var(--cyan);
  outline: none;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
  box-shadow: 0 26px 60px rgba(5, 8, 22, 0.55);
}

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

/* ---------- 分类索引 ---------- */
.page-faq .faq-index__head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-index__head .lede {
  margin-top: 14px;
}

.page-faq .faq-index__body {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-faq .faq-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-rail__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
  opacity: 0.92;
}

.page-faq .faq-rail__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
  border-left: 1px solid var(--faq-line-soft);
  padding-left: 2px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 0 9px 12px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--haze);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-rail__link .mono {
  color: rgba(201, 211, 240, 0.5);
  font-size: 11px;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 16px;
  outline: none;
}

.page-faq .faq-rail__link:hover .mono,
.page-faq .faq-rail__link:focus-visible .mono {
  color: var(--cyan);
}

.page-faq .faq-rail__note {
  margin: 0;
  color: rgba(201, 211, 240, 0.55);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.page-faq .faq-flow {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group {
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-faq .faq-group__head .h3 {
  margin: 0;
}

.page-faq .faq-group__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: none;
  border: 1px solid var(--faq-line-soft);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

.page-faq .faq-group > p {
  margin: 12px 0 0;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 62ch;
}

.page-faq .faq-group__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-width: 64ch;
}

.page-faq .faq-group__list li {
  position: relative;
  padding-left: 18px;
  color: var(--haze);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-group__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1.5px;
  background: var(--cyan);
}

.page-faq .faq-group__meta {
  margin: 14px 0 0;
  color: rgba(201, 211, 240, 0.5);
  font-size: 11px;
  letter-spacing: 0.03em;
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  padding: clamp(36px, 6vw, 68px) 0;
}

.page-faq .faq-path__head {
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-faq .faq-path__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  counter-reset: none;
}

.page-faq .faq-path__step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-path__num {
  display: block;
  color: var(--coral);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-faq .faq-path__step .h3 {
  margin: 8px 0 0;
  font-size: clamp(18px, 2.2vw, 22px);
}

.page-faq .faq-path__step p {
  margin: 10px 0 0;
  color: var(--haze);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-path__link {
  display: inline-block;
  margin-top: 12px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, 0.45);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-path__link:hover,
.page-faq .faq-path__link:focus-visible {
  color: var(--mist);
  border-color: var(--mist);
  outline: none;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-faq .faq-qa__head .lede {
  margin-top: 14px;
}

.page-faq .faq-qa__list {
  display: grid;
  gap: 12px;
  max-width: 92ch;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(74, 90, 138, 0.85);
}

.page-faq .faq-item[open] {
  border-color: rgba(56, 242, 224, 0.55);
  background: var(--faq-panel-strong);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--mist);
  font-weight: 600;
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.65;
}

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

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

.page-faq .faq-item__q {
  flex: 1 1 auto;
}

.page-faq .faq-item__icon {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  width: 1.5px;
  height: 10px;
  transition: opacity 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 18px 18px;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 70ch;
}

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

.page-faq .faq-item__meta {
  color: rgba(201, 211, 240, 0.55);
  font-size: 11px;
  letter-spacing: 0.03em;
}

.page-faq .faq-item__body .btn {
  margin-top: 6px;
}

/* ---------- 版本标注 ---------- */
.page-faq .faq-version__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-version__copy .lede {
  margin-top: 16px;
}

.page-faq .faq-version__copy > p:last-child {
  margin-top: 14px;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 60ch;
}

.page-faq .faq-version__panel {
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line-soft);
  background: linear-gradient(160deg, rgba(35, 48, 107, 0.72), rgba(11, 18, 48, 0.9));
  box-shadow: 0 20px 48px rgba(5, 8, 22, 0.45);
}

.page-faq .faq-version__panel-title {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-faq .faq-version__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--faq-line-soft);
}

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

.page-faq .faq-version__key {
  color: var(--haze);
  font-size: 14px;
}

.page-faq .faq-version__val {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  padding: clamp(38px, 6vw, 76px) 0;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-help__copy p {
  margin: 14px 0 0;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 62ch;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-help__note {
  flex-basis: 100%;
  margin: 2px 0 0;
  color: rgba(201, 211, 240, 0.55);
  font-size: 11px;
  letter-spacing: 0.05em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-faq .faq-help__actions {
    justify-content: flex-start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-index__body {
    grid-template-columns: minmax(0, var(--faq-rail-w)) minmax(0, 1fr);
  }

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

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

  .page-faq .faq-version__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-search {
    padding: 8px 12px 10px;
  }

  .page-faq .faq-item__sum {
    padding: 14px 14px;
  }

  .page-faq .faq-item__body {
    padding: 0 14px 16px;
  }

  .page-faq .faq-group__num {
    width: 26px;
    height: 26px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search,
  .page-faq .faq-item,
  .page-faq .faq-rail__link,
  .page-faq .faq-hot .tag,
  .page-faq .faq-item__icon,
  .page-faq .faq-path__link {
    transition: none;
  }
}
<<<END>>>