.page-faq {
  background: var(--void);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-open {
  padding: clamp(92px, 13vw, 168px) 0 clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--titanium);
}

.page-faq .breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  color: var(--line);
}

.page-faq .breadcrumb__list a {
  color: var(--titanium);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-faq .breadcrumb__list a:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

.page-faq .faq-open__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 60px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-faq .faq-open__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }
}

.page-faq .faq-open__eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-faq .faq-open__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-faq .faq-open__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--titanium);
}

.page-faq .faq-open__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-open__stat {
  padding: 16px 0 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-open__stat:nth-child(odd) {
  padding-right: 16px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-open__stat:nth-child(even) {
  padding-left: 16px;
}

.page-faq .faq-open__stat dt {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--titanium);
}

.page-faq .faq-open__stat dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.page-faq .faq-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-unit {
  font-size: 12px;
  color: var(--titanium);
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index {
  padding: clamp(56px, 8vw, 104px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__list {
  margin: clamp(32px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item {
  margin: 0;
}

.page-faq .faq-index__link {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 8px 18px 14px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--white);
  transition: background-color 140ms var(--ease), padding-left 140ms var(--ease);
}

.page-faq .faq-index__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color 140ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--deep);
  padding-left: 20px;
}

.page-faq .faq-index__link:hover::before,
.page-faq .faq-index__link:focus-visible::before {
  background: var(--orange);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-index__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 22px);
  letter-spacing: -0.01em;
}

.page-faq .faq-index__count {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--titanium);
  white-space: nowrap;
}

/* ---------- 分组区块 ---------- */
.page-faq .faq-group {
  padding: clamp(52px, 7.5vw, 104px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group--tint {
  background: var(--deep);
}

.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-faq .faq-figure--tight {
  margin-top: clamp(32px, 4vw, 52px);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: border-left-color 140ms var(--ease);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 16px 20px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--white);
  transition: color 140ms var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--orange-soft);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: 6px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--titanium);
  transition: background-color 140ms var(--ease), transform 140ms var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-faq .qa[open] .qa__sign::before {
  background: var(--orange);
}

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

.page-faq .qa__a {
  padding: 18px 22px 22px 20px;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.page-faq .qa__a p {
  margin: 0 0 14px;
  max-width: 76ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--titanium);
}

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

.page-faq .qa__a a {
  color: var(--white);
}

.page-faq .faq-more {
  margin: clamp(26px, 3.5vw, 38px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--titanium);
}

/* ---------- 响应档位刻度 ---------- */
.page-faq .sla {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(30px, 4vw, 44px);
}

@media (min-width: 720px) {
  .page-faq .sla {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-faq .sla__item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 22px 20px;
  background: var(--void);
  border: 1px solid var(--line);
}

.page-faq .sla__dial {
  position: relative;
  width: 88px;
  height: 88px;
}

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

.page-faq .sla__ring {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.page-faq .sla__ring--active {
  stroke: var(--orange);
  stroke-width: 3;
  stroke-dasharray: 2 7;
}

.page-faq .sla__figure {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .sla__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .sla__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--titanium);
}

/* ---------- 五环节流程 ---------- */
.page-faq .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .flow__step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-faq .flow__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .flow__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .flow__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--titanium);
}

@media (min-width: 820px) {
  .page-faq .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .flow__step {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 22px 20px 26px 0;
  }

  .page-faq .flow__step + .flow__step {
    padding-left: 20px;
    box-shadow: inset 1px 0 0 var(--line);
  }
}

/* ---------- 收尾链接带 ---------- */
.page-faq .faq-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

@media (min-width: 700px) {
  .page-faq .faq-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

.page-faq .faq-links li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--titanium);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 420px) {
  .page-faq .faq-index__link {
    grid-template-columns: 36px minmax(0, 1fr);
    row-gap: 6px;
  }

  .page-faq .faq-index__count {
    grid-column: 2;
  }

  .page-faq .sla__item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 14px;
  }

  .page-faq .sla__dial {
    width: 72px;
    height: 72px;
  }

  .page-faq .sla__figure {
    font-size: 21px;
  }

  .page-faq .qa__q {
    gap: 12px;
    padding: 18px 12px 18px 16px;
  }

  .page-faq .qa__a {
    padding: 16px 16px 20px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-index__link,
  .page-faq .faq-index__link::before,
  .page-faq .breadcrumb__list a {
    transition: none;
  }
}
<<<END>>>