.page-faq {
  --faq-rail: rgba(47, 227, 193, 0.55);
  --faq-rail-soft: rgba(47, 227, 193, 0.08);
  --faq-paper-line: rgba(26, 31, 43, 0.16);
  display: block;
  overflow-x: clip;
}

.page-faq a {
  text-decoration: none;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 22px) 0 34px;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(184, 123, 18, 0.22), transparent 62%),
    radial-gradient(620px 380px at 6% 12%, rgba(47, 227, 193, 0.10), transparent 66%),
    var(--ink);
  border-bottom: var(--rule);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
  margin-top: 18px;
}

.page-faq .faq-hero__intro h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero__rule {
  display: block;
  width: 72px;
  height: 6px;
  margin: 20px 0 18px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber-deep) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  max-width: 44ch;
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-hero__visual {
  position: relative;
  border: var(--rule);
  background: var(--ink-2);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  object-position: center top;
}

.page-faq .faq-hero__visual-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  margin: 0;
  padding: 5px 9px;
  background: rgba(11, 15, 26, 0.86);
  border: 1px solid var(--line);
  color: var(--amber);
  border-bottom-color: var(--line);
}

/* 主题快捷瓦片 */
.page-faq .faq-topics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 32px;
  background: var(--line);
  border: var(--rule);
}

.page-faq .faq-tile {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num name count"
    "num desc count";
  align-items: center;
  gap: 2px 12px;
  padding: 16px 16px 18px;
  background: var(--ink-2);
  color: var(--mist);
  transition: background 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  background: #182338;
  box-shadow: inset 3px 0 0 var(--teal);
}

.page-faq .faq-tile__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--amber-deep);
  padding-right: 12px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-tile__name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-faq .faq-tile__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-tile__count {
  grid-area: count;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
}

/* ============ 主题索引 ============ */
.page-faq .faq-index {
  padding: 52px 0 40px;
  background: var(--ink);
}

.page-faq .faq-index__list {
  margin-top: 26px;
  border-top: var(--rule);
}

.page-faq .faq-topic {
  background: var(--ink-2);
  border-bottom: var(--rule);
  border-left: 3px solid transparent;
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-topic[open] {
  border-left-color: var(--teal);
  background: #141D30;
}

.page-faq .faq-topic .drawer__head,
.page-faq .faq-qa__item .drawer__head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 14px;
  padding: 17px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--mist);
}

.page-faq .faq-topic .drawer__head::-webkit-details-marker,
.page-faq .faq-qa__item .drawer__head::-webkit-details-marker,
.page-faq .faq-step > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-topic .drawer__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-faq .faq-topic__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 4.2vw, 21px);
  letter-spacing: -0.01em;
}

.page-faq .faq-topic__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .drawer__mark {
  position: relative;
  inline-size: 13px;
  block-size: 13px;
  flex: none;
}

.page-faq .drawer__mark::before,
.page-faq .drawer__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .drawer__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .drawer__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .faq-topic[open] .drawer__mark::after,
.page-faq .faq-qa__item[open] .drawer__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-topic[open] .drawer__mark::before,
.page-faq .faq-qa__item[open] .drawer__mark::before {
  background: var(--teal);
}

.page-faq .faq-topic .drawer__body {
  padding: 0 16px 20px;
}

.page-faq .faq-topic__desc {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-guide-list li {
  position: relative;
  padding: 11px 24px 11px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.62;
  color: var(--mist);
}

.page-faq .faq-guide-list li::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 20px;
  width: 9px;
  height: 1px;
  background: var(--amber-deep);
}

/* ============ 分步操作 ============ */
.page-faq .faq-steps {
  padding: 52px 0 46px;
  background:
    linear-gradient(180deg, rgba(30, 42, 66, 0.55) 0%, rgba(11, 15, 26, 0) 46%),
    var(--ink);
  border-top: var(--rule);
}

.page-faq .faq-scene {
  margin-top: 24px;
  border: var(--rule);
  background: var(--ink-2);
}

.page-faq .faq-scene__head {
  padding: 20px 16px 18px;
  border-bottom: var(--rule);
  background: linear-gradient(90deg, rgba(122, 92, 255, 0.10) 0%, rgba(18, 26, 43, 0) 64%);
}

.page-faq .faq-scene__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-scene__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 4.6vw, 25px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-scene__head p {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-steps-wrap {
  position: relative;
  padding: 18px 14px 20px 20px;
}

.page-faq .faq-steps-wrap::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal) 0%, var(--faq-rail-soft) 100%);
}

.page-faq .faq-steplist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  border: 1px solid var(--line);
  background: var(--ink);
  margin-bottom: 8px;
  transition: border-color 240ms var(--ease);
}

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

.page-faq .faq-step[open] {
  border-color: rgba(47, 227, 193, 0.45);
}

.page-faq .faq-step > summary {
  display: grid;
  grid-template-columns: 40px 1fr 18px;
  align-items: center;
  gap: 6px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-step__title {
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-step__mark {
  position: relative;
  justify-self: end;
  width: 13px;
  height: 13px;
}

.page-faq .faq-step__mark::before,
.page-faq .faq-step__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .faq-step__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-step__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

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

.page-faq .faq-step[open] .faq-step__mark::before {
  background: var(--teal);
}

.page-faq .faq-step__body {
  padding: 0 16px 16px 54px;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .faq-flow {
  margin: 46px 0 0;
  border: var(--rule);
  background: var(--ink-2);
}

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

.page-faq .faq-flow figcaption {
  margin: 0;
  padding: 13px 16px 15px;
  border-top: var(--rule);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ============ 常见问答（展签纸白区） ============ */
.page-faq .section--paper.faq-qa {
  padding: 54px 0 52px;
  background: var(--paper);
  color: var(--paper-ink);
  border-top: none;
}

.page-faq .faq-qa .section__title {
  color: var(--paper-ink);
}

.page-faq .faq-qa .section__note {
  color: #4B5468;
}

.page-faq .faq-qa .plate {
  color: var(--amber-deep);
  border-bottom-color: var(--amber-deep);
}

.page-faq .faq-qa__list {
  margin-top: 26px;
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--faq-paper-line);
  border-left: 3px solid transparent;
  background: transparent;
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .faq-qa__item[open] {
  border-left-color: var(--teal);
  background: rgba(255, 255, 255, 0.5);
}

.page-faq .faq-qa__item .drawer__head {
  grid-template-columns: 1fr auto;
  color: var(--paper-ink);
}

.page-faq .faq-qa__q {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}

.page-faq .faq-qa__item .drawer__mark::before,
.page-faq .faq-qa__item .drawer__mark::after {
  background: rgba(26, 31, 43, 0.5);
}

.page-faq .faq-qa__item[open] .drawer__mark::before {
  background: var(--amber-deep);
}

.page-faq .faq-qa__item .drawer__body {
  padding: 0 16px 20px;
}

.page-faq .faq-qa__item .drawer__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: #3B4256;
}

/* ============ 反馈入口 ============ */
.page-faq .faq-feedback {
  padding: 54px 0 60px;
  background:
    radial-gradient(760px 380px at 82% 4%, rgba(184, 123, 18, 0.20), transparent 64%),
    var(--ink);
  border-top: var(--rule);
}

.page-faq .faq-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-feedback__main p {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-feedback__main .section__title {
  margin-top: 12px;
}

.page-faq .faq-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-feedback__contact {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--teal);
}

.page-faq .faq-feedback__note {
  font-size: 13.5px !important;
  color: var(--muted) !important;
}

.page-faq .faq-feedback__aside {
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-left: 3px solid var(--amber-deep);
  padding: 22px 18px 24px;
}

.page-faq .faq-feedback__aside h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-checklist li:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .faq-checklist .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-feedback__tip {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ============ 断点 ============ */
@media (max-width: 559px) {
  .page-faq .faq-step__body {
    padding-left: 16px;
  }

  .page-faq .faq-tile__num {
    font-size: 18px;
    padding-right: 10px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-topics {
    grid-template-columns: 1.35fr 1fr 0.9fr 1fr;
  }

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

  .page-faq .faq-guide-list li:nth-last-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-steps-wrap {
    padding: 22px 20px 24px 26px;
  }

  .page-faq .faq-step > summary {
    grid-template-columns: 46px 1fr 18px;
    padding: 14px 16px;
  }

  .page-faq .faq-step__body {
    padding-left: 62px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 40px) 0 46px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    gap: 48px;
    margin-top: 26px;
  }

  .page-faq .faq-hero__visual img {
    max-height: none;
  }

  .page-faq .faq-topics {
    margin-top: 44px;
  }

  .page-faq .faq-tile {
    padding: 22px 20px 26px;
  }

  .page-faq .faq-feedback__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-scene {
    margin-top: 30px;
  }

  .page-faq .faq-steps-wrap {
    padding: 26px 28px 28px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-step,
  .page-faq .faq-topic,
  .page-faq .faq-qa__item,
  .page-faq .drawer__mark::before,
  .page-faq .drawer__mark::after,
  .page-faq .faq-step__mark::before,
  .page-faq .faq-step__mark::after {
    transition: none;
  }
}
<<<END>>>