.page-faq {
  --faq-line: rgba(143, 163, 184, 0.18);
  --faq-line-soft: rgba(143, 163, 184, 0.09);
  --faq-accent: var(--mint);
  background: var(--ink);
  color: var(--fog);
  padding-bottom: 96px;
  overflow-x: clip;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 6px;
  font-size: 13px;
  color: var(--silver);
}

.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--mint-soft);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 20px 0 56px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.6vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--fog);
  max-width: 16ch;
}

.page-faq .faq-hero__cols {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-faq .faq-hero__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fog);
  opacity: 0.84;
  max-width: 38em;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ink-2);
  font-size: 14px;
  color: var(--silver);
}

.page-faq .faq-hero__facts .num {
  flex: 0 0 auto;
  min-width: 52px;
  font-size: 22px;
  font-weight: 700;
  color: var(--mint);
}

.page-faq .faq-hero__art {
  margin: 44px 0 0;
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(51, 245, 162, 0.14), transparent 52%);
  pointer-events: none;
}

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

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding-top: 8px;
}

.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

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

.page-faq .faq-index__label {
  display: none;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  background: var(--ink-2);
  color: var(--silver);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--t) var(--ease), color var(--t) var(--ease),
    transform var(--t) var(--ease);
}

.page-faq .faq-index__list a .num {
  font-size: 12px;
  color: var(--mint);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--jade);
  color: var(--mint-soft);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-index__list a:focus-visible {
  box-shadow: 0 0 0 2px var(--mint);
}

/* ---------- 分类区块 ---------- */

.page-faq .faq-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-faq .faq-cat {
  position: relative;
  padding: 38px 0 12px;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--faq-accent);
  border-radius: 2px;
}

.page-faq .faq-cat:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .faq-cat:first-child::before {
  display: none;
}

.page-faq .faq-cat:nth-child(1) { --faq-accent: var(--mint); }
.page-faq .faq-cat:nth-child(2) { --faq-accent: var(--flare); }
.page-faq .faq-cat:nth-child(3) { --faq-accent: var(--amber); }
.page-faq .faq-cat:nth-child(4) { --faq-accent: var(--mint-soft); }
.page-faq .faq-cat:nth-child(5) { --faq-accent: var(--flare); }

.page-faq .faq-cat__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
  padding-left: 18px;
  border-left: 2px solid var(--faq-accent);
}

.page-faq .faq-cat__no {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--faq-accent);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-cat__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 32em;
}

/* ---------- 检索示例 ---------- */

.page-faq .faq-samples {
  list-style: none;
  margin: 0 0 22px;
  padding: 18px 20px;
  display: grid;
  gap: 10px;
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(6, 40, 43, 0.85), rgba(6, 40, 43, 0.25));
}

.page-faq .faq-samples__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--mint-soft);
}

.page-faq .faq-samples__item > span:first-child {
  font-family: var(--font-mono);
  color: var(--fog);
}

.page-faq .faq-samples__item .num {
  color: var(--mint);
}

.page-faq .faq-samples__item > span:last-child {
  color: var(--silver);
}

/* ---------- 折叠问答 ---------- */

.page-faq .qa-list {
  display: flex;
  flex-direction: column;
}

.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: var(--mint);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}

.page-faq .qa[open]::before {
  opacity: 1;
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 19px 10px 19px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog);
  border-radius: var(--r-sm);
  transition: color var(--t) var(--ease), background var(--t) var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--mint-soft);
  background: rgba(6, 40, 43, 0.55);
}

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

.page-faq .qa__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__toggle {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid var(--faq-line);
  transition: border-color var(--t) var(--ease);
}

.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--mint);
  border-radius: 2px;
  transition: transform var(--t) var(--ease);
}

.page-faq .qa__toggle::before {
  left: 5px;
  right: 5px;
  top: 10px;
  height: 2px;
}

.page-faq .qa__toggle::after {
  top: 5px;
  bottom: 5px;
  left: 10px;
  width: 2px;
}

.page-faq .qa[open] .qa__toggle {
  border-color: var(--mint);
}

.page-faq .qa[open] .qa__toggle::after {
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 0 22px 22px 18px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 241, 245, 0.82);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__body a {
  color: var(--mint-soft);
  text-decoration: underline;
  text-decoration-color: rgba(168, 255, 221, 0.4);
  text-underline-offset: 3px;
}

.page-faq .qa__body a:hover {
  text-decoration-color: var(--mint);
}

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .qa[open] .qa__body {
    animation: faqFade 240ms var(--ease);
  }
}

/* ---------- 步骤图 ---------- */

.page-faq .faq-step {
  margin: 26px 0 4px;
}

.page-faq .faq-step img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
}

.page-faq .faq-step figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  max-width: 34em;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-next {
  margin-top: 52px;
  padding: 34px 24px 36px;
  border-radius: var(--r-lg);
  background: linear-gradient(145deg, var(--wine) 0%, rgba(84, 19, 44, 0.32) 62%, rgba(11, 21, 51, 1) 100%);
}

.page-faq .faq-next__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-next__text {
  margin: 16px 0 26px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 241, 245, 0.85);
}

.page-faq .faq-next .btn {
  display: inline-flex;
  align-items: center;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: transform var(--t) var(--ease), background var(--t) var(--ease),
    color var(--t) var(--ease);
}

.page-faq .faq-next .btn--mint {
  background: var(--mint);
  color: var(--ink);
}

.page-faq .faq-next .btn--mint:hover,
.page-faq .faq-next .btn--mint:focus-visible {
  background: var(--mint-soft);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-next .btn--mint:focus-visible {
  box-shadow: 0 0 0 3px rgba(51, 245, 162, 0.35);
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 128px;
  }

  .page-faq .faq-hero {
    padding: 28px 0 72px;
  }

  .page-faq .faq-hero__cols {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
    margin-top: 32px;
  }

  .page-faq .faq-hero__art {
    margin-top: 56px;
  }

  .page-faq .faq-body__inner {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 72px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 40px);
    align-self: start;
    display: flex;
    gap: 16px;
    padding-bottom: 24px;
  }

  .page-faq .faq-index__label {
    display: block;
    flex: 0 0 auto;
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--silver);
  }

  .page-faq .faq-index__list {
    flex: 1 1 auto;
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list a {
    border-radius: var(--r-sm);
    background: transparent;
    padding: 10px 14px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: rgba(6, 40, 43, 0.7);
  }

  .page-faq .faq-cat {
    padding: 56px 0 16px;
  }

  .page-faq .faq-cat:first-child {
    padding-top: 8px;
  }

  .page-faq .qa__q {
    font-size: 17px;
    padding: 22px 14px 22px 22px;
  }

  .page-faq .qa__body {
    padding: 0 40px 24px 22px;
  }

  .page-faq .faq-next {
    margin-top: 64px;
    padding: 48px 44px 52px;
  }
}

/* ---------- 大屏微调 ---------- */

@media (min-width: 1200px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 96px;
  }
}
</PAGE_CSS>>>