.page-faq {
  --faq-panel: rgba(20, 48, 42, .55);
  --faq-panel-solid: rgba(12, 31, 27, .92);
  color: var(--text);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}
.page-faq .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  color: var(--cyan);
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: 32px;
  padding: 28px 0 0;
}
.page-faq .faq-hero__copy {
  max-width: 760px;
}
.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-figures .stat {
  background: var(--ink-900);
  padding: 16px 16px 18px;
}
.page-faq .faq-figures .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 6vw, 38px);
  line-height: 1;
  color: var(--white);
}
.page-faq .faq-figures .stat__value--accent {
  color: var(--cyan);
}
.page-faq .faq-figures .stat__value--signal {
  color: var(--orange);
}
.page-faq .faq-figures .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.5;
  color: var(--text-dim);
}

/* 首屏刻度盘 */
.page-faq .faq-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-faq .faq-dial {
  position: relative;
  width: min(320px, 78vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px var(--line);
}
.page-faq .faq-dial__ticks {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(from -90deg, rgba(47, 243, 214, .5) 0deg 1deg, transparent 1deg 12deg);
  -webkit-mask: radial-gradient(closest-side, transparent 83%, #000 84%);
  mask: radial-gradient(closest-side, transparent 83%, #000 84%);
}
.page-faq .faq-dial__arc {
  position: absolute;
  inset: 9%;
  width: 82%;
  height: 82%;
  transform: rotate(-90deg);
}
.page-faq .faq-dial__track {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}
.page-faq .faq-dial__progress {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 540;
  stroke-dashoffset: 205;
}
.page-faq .faq-dial__core {
  position: absolute;
  inset: 26%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}
.page-faq .faq-dial__big {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 9vw, 42px);
  line-height: 1;
  color: var(--orange);
}
.page-faq .faq-dial__small {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .08em;
  color: var(--text-dim);
}

/* 时间节奏横条图 */
.page-faq .faq-band {
  position: relative;
  margin: 34px 0 0;
  aspect-ratio: 16 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
}
.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.page-faq .faq-band .figure-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(6, 17, 15, .94), rgba(6, 17, 15, 0));
  font-size: 12px;
  line-height: 1.7;
  color: var(--text);
}

/* 主体两栏 */
.page-faq .faq-body {
  padding: 6px 0 80px;
}
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  padding: 20px 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-faq .faq-jump::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-jump .chip {
  flex: 0 0 auto;
}
.page-faq .faq-columns {
  display: grid;
  gap: 28px;
  padding-top: 10px;
}
.page-faq .data-index {
  display: none;
}

/* 分组 */
.page-faq .faq-group {
  padding: 24px 0 4px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 130px;
}
.page-faq .faq-group:first-child {
  border-top: 0;
  padding-top: 4px;
}
.page-faq .faq-group + .faq-group {
  margin-top: 30px;
}
.page-faq .faq-group h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -.005em;
  color: var(--white);
}
.page-faq .faq-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 16px 0 18px;
  padding: 14px 16px;
  background: var(--faq-panel);
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}
.page-faq .faq-lead__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1;
  color: var(--orange);
}

/* 折叠问答 */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: var(--faq-panel);
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}
.page-faq .faq-item[open] {
  background: var(--faq-panel-solid);
  border-color: var(--line-strong);
}
.page-faq .faq-item summary {
  position: relative;
  padding: 15px 46px 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}
.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--orange);
}
.page-faq .faq-item summary:hover {
  color: var(--cyan);
}
.page-faq .faq-item__body {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.page-faq .faq-item__body p {
  margin: 0;
  max-width: 68ch;
}
.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

/* 统计分组配图 */
.page-faq .faq-split {
  display: grid;
  gap: 20px;
}
.page-faq .faq-split__fig {
  position: relative;
  margin: 0;
}

/* 联系收尾 */
.page-faq .faq-group--contact {
  padding-bottom: 8px;
}
.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  margin: 6px 0 18px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-contact__card {
  padding: 18px 16px;
  background: var(--faq-panel-solid);
}
.page-faq .faq-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--teal);
}
.page-faq .faq-contact__value {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}
.page-faq .faq-contact__note {
  max-width: 70ch;
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-band {
    margin-top: 40px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
    padding-top: 46px;
  }
  .page-faq .faq-hero .lede {
    font-size: 17px;
  }
  .page-faq .faq-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
  }
  .page-faq .faq-jump {
    display: none;
  }
  .page-faq .faq-band {
    aspect-ratio: 16 / 6;
  }
  .page-faq .faq-columns {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    padding-top: 26px;
  }
  .page-faq .data-index {
    display: block;
    position: sticky;
    top: 116px;
    align-self: start;
  }
  .page-faq .data-index__link {
    display: flex;
    gap: 10px;
    align-items: baseline;
    padding: 10px 0 10px 14px;
    border-left: 1px solid var(--line);
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: .03em;
    transition: color 160ms var(--ease), border-color 160ms var(--ease);
  }
  .page-faq .data-index__link:hover {
    color: var(--white);
    border-left-color: var(--teal);
  }
  .page-faq .data-index__link.is-active {
    color: var(--white);
    border-left-color: var(--cyan);
  }
  .page-faq .data-index__num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 11px;
    color: var(--teal);
  }
  .page-faq .data-index__link.is-active .data-index__num {
    color: var(--cyan);
  }
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr);
    gap: 28px;
    align-items: start;
  }
  .page-faq .faq-split__fig {
    position: sticky;
    top: 116px;
  }
}
<<<END>>>