.page-faq {
  --faq-radius: 18px;
  --faq-pad: clamp(1.1rem, 2.6vw, 1.7rem);
  color: var(--text-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(1.4rem, 3.6vw, 2.4rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.6rem);
  margin-top: clamp(1.1rem, 3vw, 1.8rem);
  align-items: start;
}

.page-faq .faq-hero__grid > * {
  min-width: 0;
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(2.4rem, 6vw, 5rem);
  }
}

.page-faq .faq-hero__title {
  margin: 0.65rem 0 1rem;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.028em;
  font-weight: 800;
  color: var(--text-primary);
  max-width: 20ch;
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(0.95rem, 1.55vw, 1.04rem);
  line-height: 1.78;
  color: var(--text-body);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.6rem;
  font-size: 0.84rem;
  color: var(--text-dim);
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-faq .faq-hero__side {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  padding: var(--faq-pad);
  background: linear-gradient(155deg, var(--bg-panel), var(--bg-deep) 82%);
  overflow: hidden;
}

.page-faq .faq-hero__side::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 227, 210, 0.16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__side-label {
  margin: 0 0 0.85rem;
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-hero__index {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

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

.page-faq .faq-hero__index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.75rem 0.6rem;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: background 200ms var(--ease), transform 200ms var(--ease);
}

@media (hover: hover) {
  .page-faq .faq-hero__index-link:hover {
    background: var(--bg-raised);
    transform: translateX(3px);
  }
}

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

.page-faq .faq-hero__index-code {
  font-family: var(--font-numeric);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
}

.page-faq .faq-hero__index-title {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-primary);
}

.page-faq .faq-hero__index-meta {
  font-family: var(--font-numeric);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 分类带 ---------- */
.page-faq .faq-band-section {
  padding-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .faq-band {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-band__media {
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  line-height: 0;
  background: var(--bg-panel);
}

.page-faq .faq-band__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease),
    border-color 200ms var(--ease);
}

.page-faq .filter-chip b {
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-faq .filter-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

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

.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: var(--bg-deep);
}

.page-faq .filter-chip[aria-pressed="true"] b {
  color: rgba(5, 11, 20, 0.72);
}

/* ---------- 工具条 ---------- */
.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-toolbar__count {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-toolbar__count span {
  color: var(--accent-cyan);
  font-weight: 700;
}

.page-faq .faq-toolbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-list__wrap {
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 3rem);
  margin-top: clamp(1.4rem, 3.5vw, 2.2rem);
}

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

.page-faq .faq-group[hidden] {
  display: none;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem 1.05rem;
  align-items: start;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__code {
  font-family: var(--font-numeric);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent-cyan);
}

.page-faq .faq-list__wrap > .faq-group:nth-child(1) .faq-group__code {
  color: var(--accent-cyan);
}

.page-faq .faq-list__wrap > .faq-group:nth-child(2) .faq-group__code {
  color: var(--accent-orange);
}

.page-faq .faq-list__wrap > .faq-group:nth-child(3) .faq-group__code {
  color: var(--state-green);
}

.page-faq .faq-list__wrap > .faq-group:nth-child(4) .faq-group__code {
  color: var(--state-purple);
}

.page-faq .faq-group__title {
  margin: 0 0 0.3rem;
  font-size: clamp(1.12rem, 2.1vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-items {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
}

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

.page-faq .faq-item__summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.7rem 0.9rem;
  align-items: start;
  padding: 0.95rem 0.65rem 0.95rem 0.35rem;
  border-radius: 12px;
  cursor: pointer;
  transition: background 200ms var(--ease);
}

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

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

@media (hover: hover) {
  .page-faq .faq-item__summary:hover {
    background: var(--bg-panel);
  }
}

.page-faq .faq-item__num {
  font-family: var(--font-numeric);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  padding-top: 0.3rem;
  min-width: 2em;
}

.page-faq .faq-item__q {
  font-size: clamp(0.94rem, 1.65vw, 1.02rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-primary);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 0.42rem;
  flex: none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 1px;
  background: var(--accent-cyan);
  transform: translate(-50%, -50%);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .faq-item__mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 0.55rem 1.1rem 0.35rem;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text-body);
}

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

@media (min-width: 640px) {
  .page-faq .faq-item__body {
    padding-left: 3.5rem;
    padding-right: 1.8rem;
  }
}

@keyframes faq-body-in {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-item[open] > .faq-item__body {
  animation: faq-body-in 200ms var(--ease) both;
}

/* ---------- 图为区 ---------- */
.page-faq .faq-figure {
  margin: 1.1rem 0 0.4rem;
  border-radius: var(--faq-radius);
  border: 1px solid var(--line-soft);
  background: var(--bg-panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

@media (min-width: 700px) {
  .page-faq .faq-figure img {
    aspect-ratio: 10 / 4.2;
  }
}

.page-faq .faq-figure .figure-caption {
  padding: 0.65rem 1rem 0.75rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-ask-section {
  padding-top: clamp(1.8rem, 4vw, 2.8rem);
}

.page-faq .faq-ask {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.7rem);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(140deg, var(--bg-raised), var(--bg-panel) 62%, var(--bg-deep));
  overflow: hidden;
}

.page-faq .faq-ask::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -130px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 26, 0.16), transparent 70%);
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-faq .faq-ask {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.4rem;
  }
}

.page-faq .faq-ask__lede,
.page-faq .faq-ask__side {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .faq-ask__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.28rem, 2.8vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.022em;
  color: var(--text-primary);
}

.page-faq .faq-ask__text {
  margin: 0;
  max-width: 50ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--text-body);
}

.page-faq .faq-ask__checklist {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.3rem;
  font-size: 0.83rem;
  color: var(--text-dim);
}

.page-faq .faq-ask__checklist li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .faq-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-faq .faq-ask__contact {
  margin: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-family: var(--font-numeric);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.page-faq .faq-ask__contact span:first-child {
  color: var(--accent-cyan);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 430px) {
  .page-faq .faq-item__summary {
    gap: 0.5rem 0.6rem;
    padding-right: 0.35rem;
  }

  .page-faq .faq-item__num {
    font-size: 0.72rem;
    min-width: 1.7em;
  }

  .page-faq .faq-group__head {
    gap: 0.7rem 0.8rem;
  }

  .page-faq .faq-hero__facts {
    gap: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] > .faq-item__body {
    animation: none;
  }

  .page-faq .faq-item__summary,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .filter-chip,
  .page-faq .faq-hero__index-link {
    transition: none;
  }
}
<<<END>>>