.page-faq {
  --faq-rail: 264px;
  --faq-shadow-cyan: 6px 6px 0 rgba(44, 232, 216, 0.22);
  position: relative;
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(1080px 520px at 88% -8%, rgba(44, 232, 216, 0.10), transparent 62%),
    radial-gradient(720px 420px at -10% 14%, rgba(255, 107, 44, 0.09), transparent 60%),
    var(--ink);
  padding-bottom: 72px;
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 720px) {
  .page-faq .wrap {
    padding-inline: 32px;
  }
}

/* ---------- 顶部 ---------- */

.page-faq .faq-top {
  padding-block: 36px 8px;
}

.page-faq .crumbs {
  margin: 0 0 26px;
  font-size: 13px;
}

.page-faq .faq-top__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-faq .faq-top__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: end;
  }
}

.page-faq .faq-top__eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  transform: skewX(-2deg);
}

.page-faq .faq-top__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-top__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-faq .faq-top__desc {
    font-size: 17px;
  }
}

/* ---------- 搜索条 ---------- */

.page-faq .faq-find__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-find__box {
  position: relative;
  border: 2px solid var(--black);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-faq .faq-find__box:focus-within {
  border-color: var(--cyan);
  box-shadow: var(--faq-shadow-cyan);
}

.page-faq .faq-find__input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
  padding: 15px 16px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.page-faq .faq-find__input::placeholder {
  color: var(--mist);
}

.page-faq .faq-find__input::-webkit-search-cancel-button {
  filter: invert(1) opacity(0.5);
}

.page-faq .faq-find__hint {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 双栏骨架 ---------- */

.page-faq .faq-shell {
  display: grid;
  gap: 32px;
  padding-block: 44px 0;
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */

.page-faq .faq-rail {
  border: 2px solid var(--black);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px;
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
  }
}

.page-faq .faq-rail__head {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-faq .faq-rail__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 10px 11px 12px;
  border-left: 3px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: border-color 240ms var(--ease), background-color 240ms var(--ease), color 240ms var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(44, 232, 216, 0.09);
  color: var(--cyan);
}

.page-faq .faq-rail__n,
.page-faq .faq-rail__c {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-faq .faq-rail__link:hover .faq-rail__n,
.page-faq .faq-rail__link:hover .faq-rail__c {
  color: var(--cyan);
}

.page-faq .faq-rail__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-rail__foot p {
  margin: 0 0 8px;
}

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

.page-faq .faq-rail__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 右侧内容流 ---------- */

.page-faq .faq-stream {
  display: grid;
  gap: 48px;
  min-width: 0;
}

.page-faq .faq-sec {
  min-width: 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-sec > .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 0 0 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--black);
  box-shadow: 0 2px 0 rgba(44, 232, 216, 0.28);
}

.page-faq .sec-head__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .sec-head__title {
  display: block;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .sec-head__title::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  margin-top: 9px;
  background: var(--cyan);
}

.page-faq .sec-head__note {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 问答条目 ---------- */

.page-faq .qa {
  border: 2px solid var(--black);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
  margin-bottom: 12px;
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease), transform 240ms var(--ease);
}

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

.page-faq .qa[open] {
  border-color: var(--cyan);
  box-shadow: var(--faq-shadow-cyan);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  transition: background-color 240ms var(--ease);
}

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

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  background: rgba(44, 232, 216, 0.08);
}

.page-faq .qa__n {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  transition: color 240ms var(--ease);
}

.page-faq .qa[open] .qa__n {
  color: var(--cyan);
}

.page-faq .qa__mark {
  width: 13px;
  height: 13px;
  border: 2px solid var(--mist);
  background: transparent;
  transition: background-color 240ms var(--ease), border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-faq .qa[open] .qa__mark {
  background: var(--cyan);
  border-color: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .qa__a {
  border-top: 1px solid var(--line);
  padding: 16px 16px 20px;
}

.page-faq .qa__a > * + * {
  margin-top: 14px;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__scene {
  font-size: 14px !important;
  line-height: 1.75 !important;
  color: var(--mist) !important;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

/* ---------- 步骤清单 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-steps__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border: 2px solid var(--black);
  background: var(--orange);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}

/* ---------- 账户章节图文分栏 ---------- */

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

@media (min-width: 860px) {
  .page-faq .faq-split {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    gap: 26px;
    align-items: start;
  }
}

.page-faq .faq-col-side {
  margin-top: 20px;
  min-width: 0;
}

@media (min-width: 860px) {
  .page-faq .faq-col-side {
    margin-top: 0;
  }
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 0;
  border: 2px solid var(--black);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  display: block;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-figure--wide {
  margin-top: 22px;
}

.page-faq .faq-figure--wide img {
  max-height: 300px;
}

/* ---------- 旁注面板 ---------- */

.page-faq .faq-note {
  margin-top: 18px;
  border: 2px solid var(--black);
  background: var(--gem-wine);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px;
}

.page-faq .faq-note__t {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 页尾行动区 ---------- */

.page-faq .faq-next {
  display: grid;
  gap: 20px;
  border: 2px solid var(--black);
  background: var(--gem-teal);
  box-shadow: var(--shadow-hard);
  padding: 24px 20px;
}

@media (min-width: 760px) {
  .page-faq .faq-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 28px 30px;
  }
}

.page-faq .faq-next__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-next__t {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-next__d {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-next__acts .btn {
  flex: 1 1 auto;
  text-align: center;
}

@media (min-width: 760px) {
  .page-faq .faq-next__acts .btn {
    flex: 0 0 auto;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__mark,
  .page-faq .qa__n,
  .page-faq .faq-rail__link,
  .page-faq .faq-find__box {
    transition-duration: 0ms !important;
  }

  .page-faq .qa[open] .qa__mark {
    transform: none;
  }
}
</PAGE_CSS>