.page-faq {
  --faq-rail: 268px;
  --faq-line: var(--line-300);
  background: var(--snow-50);
  color: var(--ink-950);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 4vw, 52px) 0 clamp(40px, 6vw, 84px);
  background: var(--ink-950);
  color: var(--snow-50);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(to right, rgba(203, 213, 225, 0.13) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(203, 213, 225, 0.13) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(to bottom, #000 5%, rgba(0, 0, 0, 0.18));
  mask-image: linear-gradient(to bottom, #000 5%, rgba(0, 0, 0, 0.18));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -24%;
  right: -14%;
  width: min(62vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(27, 141, 191, 0.55), rgba(27, 141, 191, 0) 70%);
}

.page-faq .faq-hero__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero .breadcrumb__link {
  color: rgba(247, 250, 252, 0.66);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb__link:hover,
.page-faq .faq-hero .breadcrumb__link:focus-visible {
  color: var(--sky-500);
}

.page-faq .faq-hero .breadcrumb__sep,
.page-faq .faq-hero .breadcrumb__current {
  color: rgba(247, 250, 252, 0.46);
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__mark {
  display: inline-block;
  color: var(--sky-500);
  box-shadow: inset 0 -0.14em 0 rgba(201, 154, 61, 0.5);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.76);
}

.page-faq .faq-hero__badges {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-faq .faq-hero__badges li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 14px;
  border: 1px solid rgba(203, 213, 225, 0.24);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
}

.page-faq .faq-hero__badge-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--gold-500);
}

.page-faq .faq-hero__badges li > span:last-child {
  font-size: 0.73rem;
  letter-spacing: 0.02em;
  color: rgba(247, 250, 252, 0.62);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(203, 213, 225, 0.22);
  background: var(--blueprint-800);
}

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

/* ---------- 分类 chips ---------- */
.page-faq .faq-chips {
  position: sticky;
  top: var(--topbar-h);
  z-index: 8;
  background: rgba(247, 250, 252, 0.96);
  border-bottom: 1px solid var(--faq-line);
  backdrop-filter: blur(8px);
}

.page-faq .faq-chips__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 10px var(--gutter);
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--sky-100);
  color: var(--blueprint-800);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-chip__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--sky-700);
}

.page-faq .faq-chip:hover {
  background: var(--white);
  border-color: var(--sky-700);
}

.page-faq .faq-chip:focus-visible {
  outline: 2px solid var(--sky-700);
  outline-offset: 2px;
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-body {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 72px) var(--gutter) clamp(64px, 8vw, 112px);
  display: grid;
  gap: clamp(32px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-side {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-faq .faq-facts {
  padding: 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--white);
}

.page-faq .faq-facts__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-600);
}

.page-faq .faq-facts__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--faq-line);
}

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

.page-faq .faq-facts__row dt {
  font-size: 0.85rem;
  color: var(--slate-600);
}

.page-faq .faq-facts__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--sky-700);
  text-align: right;
}

.page-faq .faq-jump {
  display: none;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--sky-100);
}

.page-faq .faq-jump__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky-700);
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.88rem;
  color: var(--blueprint-800);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 94, 125, 0.16);
}

.page-faq .faq-jump__list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-jump__list a span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sky-700);
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  color: var(--sky-700);
}

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

/* ---------- 分类章节 ---------- */
.page-faq .faq-block {
  scroll-margin-top: calc(var(--topbar-h) + 76px);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(40px, 5vw, 68px);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-950);
}

.page-faq .faq-block__index {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--gold-ink);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  letter-spacing: -0.01em;
}

.page-faq .faq-block__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-faq .faq-list {
  margin-top: 20px;
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-item__toggle {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 18px 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--ink-950);
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-item__toggle:focus-visible {
  outline: 2px solid var(--sky-700);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-item__index {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--sky-700);
}

.page-faq .faq-item__q {
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .faq-item__toggle .disclosure__icon {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  flex: none;
}

.page-faq .faq-item__toggle .disclosure__icon::before,
.page-faq .faq-item__toggle .disclosure__icon::after {
  content: "";
  position: absolute;
  background: var(--sky-700);
  border-radius: 2px;
}

.page-faq .faq-item__toggle .disclosure__icon::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .faq-item__toggle .disclosure__icon::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  transition: transform 0.28s var(--ease);
}

.page-faq .faq-item__toggle[aria-expanded="true"] .disclosure__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-item__panel {
  padding: 0 0 22px;
}

.page-faq .faq-item__lead {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--sky-700);
  background: var(--sky-100);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.75;
  color: var(--blueprint-800);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--slate-600);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sky-700);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-faq .faq-note a {
  color: var(--sky-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tags {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--white);
}

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

/* ---------- 刷新节奏数据条 ---------- */
.page-faq .faq-meters {
  margin-top: 20px;
  padding: clamp(18px, 3vw, 26px);
  display: grid;
  gap: 18px;
  border-radius: var(--radius-lg);
  background: var(--ink-950);
  color: var(--snow-50);
}

.page-faq .faq-meters__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-meters__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--snow-50);
}

.page-faq .faq-meters__num small {
  margin-left: 3px;
  font-size: 0.62em;
  color: var(--sky-500);
}

.page-faq .faq-meters__label {
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(247, 250, 252, 0.66);
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  margin-top: 24px;
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  background: var(--white);
  min-width: 0;
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-600);
}

.page-faq .faq-contact__val {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-950);
  word-break: break-word;
}

/* ---------- 底部行动条 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--blueprint-800), var(--sky-700));
  color: var(--snow-50);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 44ch;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.86);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-meters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    transform: translateY(14px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-chips {
    top: 0;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 32px;
  }

  .page-faq .faq-jump {
    display: block;
  }

  .page-faq .faq-block {
    scroll-margin-top: 90px;
  }

  .page-faq .faq-item::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 20px;
    bottom: 20px;
    width: 3px;
    border-radius: 2px;
    background: var(--red-600);
    opacity: 0;
    transition: opacity 0.2s var(--ease);
  }

  .page-faq .faq-item:has(.faq-item__toggle[aria-expanded="true"])::before {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item__toggle .disclosure__icon::after,
  .page-faq .faq-item::before {
    transition: none;
  }

  .page-faq .faq-hero__figure {
    transform: none;
  }
}
<<<END>>>