.page-faq {
  --faq-narrow: 640px;
  --faq-note: 250px;
  --faq-cut: 14px;
  background: var(--ink);
  color: var(--cream);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(201, 162, 39, .16), transparent 62%),
    radial-gradient(75% 65% at 0% 100%, rgba(53, 224, 214, .09), transparent 62%),
    var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 40%, transparent);
  pointer-events: none;
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-faq .faq-hero__text .eyebrow {
  margin-bottom: 14px;
}

.page-faq .faq-hero__text .display {
  margin: 0 0 18px;
  color: var(--cream);
}

.page-faq .faq-hero__text .display::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-faq .faq-hero__text .lede {
  max-width: 60ch;
  color: rgba(242, 232, 213, .86);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

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

.page-faq .faq-hero__figure .figure__frame {
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  background: var(--ink);
}

.page-faq .faq-hero__figure .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.92) contrast(1.06);
}

.page-faq .faq-hero__figure .figure__caption {
  color: var(--grey);
}

/* 首屏数字条 */
.page-faq .faq-facts {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-faq .faq-facts__item {
  background: var(--ink);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-facts__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(52px, 8vw, 110px);
}

.page-faq .faq-rail {
  align-self: start;
  position: sticky;
  top: var(--rail-top);
  padding: 18px 18px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}

.page-faq .faq-rail .rail__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq .faq-rail .rail__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-rail .rail__link {
  display: block;
  padding: 9px 10px 9px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(242, 232, 213, .72);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-rail .rail__link:hover,
.page-faq .faq-rail .rail__link:focus-visible {
  color: var(--gold-lt);
  border-left-color: rgba(201, 162, 39, .5);
  background: rgba(201, 162, 39, .05);
  outline: none;
}

.page-faq .faq-rail .rail__link.is-active {
  color: var(--gold-lt);
  border-left-color: var(--gold);
  background: rgba(201, 162, 39, .08);
}

.page-faq .faq-rail__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 阶段 ---------- */
.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-faq .faq-stage {
  position: relative;
  padding: clamp(38px, 6vw, 72px) 0 clamp(30px, 5vw, 56px);
  scroll-margin-top: clamp(96px, 14vh, 140px);
}

.page-faq .faq-stage__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 3vw, 32px);
  align-items: end;
  padding-bottom: clamp(16px, 2.5vw, 26px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-stage__num {
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 80px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 162, 39, .62);
  user-select: none;
}

.page-faq .faq-stage__head .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-stage__head .h-section {
  margin: 0;
  color: var(--cream);
}

.page-faq .faq-stage__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-faq .faq-list {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

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

.page-faq .faq-item:hover {
  border-color: rgba(201, 162, 39, .4);
}

.page-faq .faq-item[open] {
  background: var(--ink-2);
  border-color: var(--line-strong);
}

.page-faq .faq-item[open]::before {
  background: var(--gold);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 15px 20px 15px 22px;
  cursor: pointer;
  list-style: none;
  color: var(--cream);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  opacity: .82;
  padding-top: 2px;
}

.page-faq .faq-item__text {
  font-size: clamp(15px, 1.05vw, 16.5px);
  font-weight: 500;
  line-height: 1.65;
}

.page-faq .faq-item__q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
  color: var(--gold-lt);
}

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--gold-lt);
  outline-offset: -3px;
}

.page-faq .faq-item__a {
  padding: 14px 22px 20px;
  border-top: 1px dashed var(--line-soft);
  margin: 0 18px 0 22px;
  padding-left: 0;
  padding-right: 0;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: clamp(14.5px, 1vw, 16px);
  line-height: 1.85;
  color: rgba(242, 232, 213, .84);
  max-width: 62ch;
}

/* ---------- 注释位 ---------- */
.page-faq .faq-stage__note {
  min-width: 0;
  padding: 18px 20px;
  border-left: 2px solid rgba(53, 224, 214, .55);
  background: linear-gradient(90deg, rgba(53, 224, 214, .07), rgba(53, 224, 214, 0));
}

.page-faq .faq-stage__note .note {
  display: block;
  margin: 0 0 10px;
  color: var(--cyan);
}

.page-faq .faq-stage__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 232, 213, .76);
}

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

.page-faq .faq-stage__figure .figure__frame {
  border: 1px solid var(--line);
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-faq .faq-stage__figure .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.9) contrast(1.05);
}

.page-faq .faq-stage__figure .figure__caption {
  margin-top: 10px;
  color: var(--grey);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
}

/* 派彩档位小列表 */
.page-faq .faq-tiers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.page-faq .faq-tiers li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-faq .faq-tiers__t {
  flex: 0 0 auto;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-lt);
}

.page-faq .faq-tiers__d {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--grey);
}

/* 工单模板 */
.page-faq .faq-template {
  margin: 0;
}

.page-faq .faq-template__body {
  margin: 0;
  padding: 14px 16px;
  background: var(--ink);
  border: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--cream);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
}

.page-faq .faq-template__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 阶段之间的提示带 ---------- */
.page-faq .faq-band {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(24px, 4vw, 44px) 0;
  padding: 13px 20px 13px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(53, 224, 214, .12), rgba(53, 224, 214, .02) 70%, transparent);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-band__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 214, .16);
  animation: faq-pulse 2.6s var(--ease) infinite;
}

@keyframes faq-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ---------- 结尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(40px, 6vw, 72px);
  scroll-margin-top: 120px;
}

.page-faq .faq-outro__inner {
  position: relative;
  padding: clamp(28px, 4.5vw, 52px) clamp(22px, 4vw, 48px);
  background:
    radial-gradient(90% 100% at 100% 0%, rgba(201, 162, 39, .16), transparent 62%),
    var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 0 100%);
}

.page-faq .faq-outro__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(28px, 4.5vw, 52px);
  bottom: clamp(28px, 4.5vw, 52px);
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0));
}

.page-faq .faq-outro__inner .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-outro__inner .h-section {
  margin: 0 0 14px;
  color: var(--cream);
}

.page-faq .faq-outro__inner .lede {
  max-width: 62ch;
  color: rgba(242, 232, 213, .82);
}

.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    padding: 17px 24px 17px 26px;
  }

  .page-faq .faq-item__a {
    margin: 0 24px 0 26px;
  }
}

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

  .page-faq .faq-stage--flip .faq-stage__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, var(--faq-narrow));
  }

  .page-faq .faq-stage--flip .faq-list {
    order: 2;
  }

  .page-faq .faq-stage--flip .faq-stage__note {
    order: 1;
  }

  .page-faq .faq-stage__note {
    position: sticky;
    top: var(--rail-top);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-faq .faq-facts__item {
    padding: 20px 22px;
  }
}

@media (max-width: 1023px) {
  .page-faq .faq-rail {
    position: static;
    margin-bottom: clamp(26px, 4vw, 40px);
  }

  .page-faq .faq-rail .rail__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-faq .faq-rail .rail__link {
    border-left: 1px solid var(--line);
    padding: 7px 12px;
    font-size: 13px;
    background: rgba(201, 162, 39, .04);
  }
}

@media (max-width: 520px) {
  .page-faq .faq-band {
    clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
    font-size: 12px;
  }

  .page-faq .faq-stage__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    align-items: start;
  }

  .page-faq .faq-stage__num {
    font-size: 44px;
    -webkit-text-stroke-width: 1px;
  }

  .page-faq .faq-item__q {
    gap: 9px;
    padding: 14px 16px;
  }

  .page-faq .faq-item__a {
    margin: 0 16px;
    padding: 12px 0 18px;
  }

  .page-faq .faq-outro__inner {
    clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-band__dot {
    animation: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-item::before,
  .page-faq .faq-item__q::after,
  .page-faq .faq-rail .rail__link {
    transition: none;
  }
}
<<<END>>>