.page-faq {
  --faq-border: rgba(143, 169, 173, 0.35);
  --faq-tint: rgba(23, 107, 135, 0.08);
}

/* —— 首屏：深色高原底 —— */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-indigo);
  color: var(--c-snow);
  padding: clamp(44px, 7vw, 88px) 0 clamp(52px, 7vw, 84px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(47, 168, 184, 0.09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(47, 168, 184, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 72% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse at 72% 18%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -30%;
  width: 56%;
  min-width: 360px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(191, 227, 232, 0.14) 0%, transparent 64%);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(247, 250, 249, 0.62);
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(247, 250, 249, 0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms, border-color 200ms;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

.page-faq .faq-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-data);
  margin: 0 0 16px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(247, 250, 249, 0.78);
  max-width: 58ch;
  margin: 0 0 clamp(32px, 5vw, 48px);
}

.page-faq .faq-hero__map {
  margin: 0;
  border-radius: var(--radius-card);
  background: rgba(191, 227, 232, 0.07);
  border: 1px solid rgba(191, 227, 232, 0.18);
  padding: clamp(16px, 3vw, 30px);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-faq .faq-hero__map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-hero__map figcaption {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 250, 249, 0.6);
  letter-spacing: 0.02em;
}

/* —— 双区布局 —— */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
  align-items: start;
}

/* —— 左侧索引 —— */
.page-faq .faq-index__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-salt);
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--c-mist);
  color: var(--c-ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--c-lake);
  letter-spacing: 0.04em;
}

.page-faq .faq-index__link:hover {
  background: var(--c-shallow);
  border-left-color: var(--c-lake);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--c-lake);
  outline-offset: 2px;
}

/* —— 右侧内容 —— */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 24px;
}

.page-faq .faq-block__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-lake);
  background: var(--faq-tint);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.page-faq .faq-block h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--c-indigo);
  margin: 0 0 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-block > p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
  max-width: 64ch;
  margin: 0 0 24px;
}

.page-faq .faq-block__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

/* —— 步骤列表 —— */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 16px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 48px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink);
  min-height: 32px;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-lake);
  background: var(--c-snow);
  border: 1px solid var(--c-salt);
  border-radius: 50%;
}

/* —— 图片 —— */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--faq-border);
  background: var(--c-mist);
}

.page-faq .faq-figure--wide {
  margin-top: clamp(20px, 3vw, 28px);
}

/* —— 动作按钮组 —— */
.page-faq .faq-block__actions {
  margin-top: clamp(20px, 3vw, 28px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* —— 版本标签 —— */
.page-faq .faq-tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(217, 164, 65, 0.18);
  color: #7d5a12;
  letter-spacing: 0.02em;
  vertical-align: baseline;
}

/* —— 折叠问答 —— */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-border);
  border-radius: 12px;
  background: var(--c-snow);
  overflow: hidden;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-faq .faq-item[open] {
  border-color: var(--c-lake);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.08);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-indigo);
  transition: background 200ms ease;
}

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

.page-faq .faq-item__q:hover {
  background: var(--c-mist);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-lake);
  outline-offset: -2px;
  border-radius: 12px;
}

.page-faq .faq-item__tag {
  flex: 0 0 auto;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--c-shallow);
  color: var(--c-lake-deep);
  margin-top: 3px;
  letter-spacing: 0.02em;
}

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

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--c-lake);
  transition: transform 220ms ease, opacity 220ms ease;
}

.page-faq .faq-item__icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-item__icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

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

.page-faq .faq-item__a {
  padding: 0 18px 18px 56px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

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

.page-faq .faq-item__a a:hover {
  color: var(--c-lake-deep);
}

/* —— 桌面端 —— */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 40px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
  }

  .page-faq .faq-index__link {
    display: flex;
    padding: 12px 16px;
    border-radius: 10px;
    background: transparent;
    border-left: 3px solid transparent;
    white-space: normal;
    font-size: 14.5px;
  }

  .page-faq .faq-index__link:hover {
    background: var(--c-mist);
  }
}

@media (min-width: 720px) {
  .page-faq .faq-block__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* —— 窄屏微调 —— */
@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

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

  .page-faq .faq-item__q {
    padding: 14px 14px;
    gap: 10px;
  }
}

/* —— 动效 —— */
.page-faq [data-reveal] {
  transition: opacity 460ms ease-out, transform 460ms ease-out;
}

.page-faq [data-reveal-ready]:not(.is-revealed) {
  opacity: 0;
  transform: translateY(14px);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal],
  .page-faq [data-reveal-ready]:not(.is-revealed) {
    transition: opacity 240ms ease-out;
    transform: none;
    opacity: 1;
  }

  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }
}
<<<END>>>