.page-faq {
  --faq-line: rgba(159, 179, 191, .22);
  --faq-panel: var(--ink-800);
  --faq-body-size: 15px;
  background: var(--ink-900);
  color: var(--paper-050);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 24px 0 40px;
  overflow: hidden;
  background:
    radial-gradient(820px 380px at 88% -8%, rgba(61, 242, 208, .16), transparent 62%),
    radial-gradient(680px 340px at 4% 112%, rgba(255, 138, 61, .13), transparent 66%),
    var(--ink-900);
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(159, 179, 191, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(159, 179, 191, .07) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero .content-shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 6.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 10px 0 16px;
  max-width: 18ch;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper-200);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--ink-700);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 25px;
  line-height: 1.1;
  color: var(--cyan-400);
  letter-spacing: -.01em;
}

.page-faq .faq-stat--amber .faq-stat__num {
  color: var(--orange-400);
}

.page-faq .faq-stat__unit {
  font-size: 13px;
  margin-left: 2px;
}

.page-faq .faq-stat__label {
  font-size: 12.5px;
  color: var(--slate-400);
  letter-spacing: .02em;
}

/* ---------- 场景跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-jump__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-700);
  background: rgba(22, 50, 74, .55);
  color: var(--paper-050);
  font-size: 13.5px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-jump__pill:hover,
.page-faq .faq-jump__pill:focus-visible {
  border-color: var(--cyan-400);
  background: rgba(61, 242, 208, .12);
  transform: translateY(-2px);
}

.page-faq .faq-jump__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan-400);
}

.page-faq .faq-jump__pill--ask {
  border-color: rgba(255, 138, 61, .55);
  background: rgba(255, 138, 61, .1);
  color: #FFD8BC;
}

.page-faq .faq-jump__pill--ask:hover,
.page-faq .faq-jump__pill--ask:focus-visible {
  border-color: var(--orange-400);
  background: rgba(255, 138, 61, .18);
}

/* ---------- 索引图 ---------- */
.page-faq .faq-index-media {
  padding: 26px 0 6px;
  background: var(--ink-900);
}

.page-faq .faq-index-media .media-frame {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

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

.page-faq .media-frame__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-400);
  margin: 0;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 30px;
  padding: 30px 0 10px;
  min-width: 0;
}

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

.page-faq .faq-rail__title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin: 0 0 12px;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-faq .faq-rail__link {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
  color: var(--paper-200);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(22, 50, 74, .7);
  border-left-color: var(--cyan-400);
  color: var(--paper-050);
}

.page-faq .faq-rail__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan-400);
}

.page-faq .faq-rail__callout {
  margin-top: 20px;
  padding: 16px 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-700);
  background: linear-gradient(158deg, rgba(61, 242, 208, .13), rgba(255, 138, 61, .07));
}

.page-faq .faq-rail__callout-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-rail__callout-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper-200);
}

.page-faq .faq-rail__callout-link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 208, .4);
  padding-bottom: 1px;
}

.page-faq .faq-rail__callout-link:hover,
.page-faq .faq-rail__callout-link:focus-visible {
  border-bottom-color: var(--cyan-400);
  color: var(--paper-050);
}

/* ---------- 分组与手风琴 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.page-faq .faq-group:last-child {
  margin-bottom: 12px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink-700);
  margin-bottom: 18px;
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.2;
  padding-top: 7px;
  color: var(--orange-400);
  letter-spacing: .04em;
}

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

.page-faq .faq-group__title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-faq .faq-rule-figure {
  margin: 0 0 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

.page-faq .accordion__item {
  background: var(--faq-panel);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 10px;
  transition: border-color .2s var(--ease);
}

.page-faq .accordion__item[data-open="true"] {
  border-color: rgba(61, 242, 208, .5);
}

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

.page-faq .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--paper-050);
  font-family: var(--font-body);
  font-size: var(--faq-body-size);
  line-height: 1.5;
  text-align: left;
  transition: background-color .2s var(--ease);
}

.page-faq .accordion__trigger:hover {
  background: rgba(22, 50, 74, .7);
}

.page-faq .faq-q {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--cyan-400);
  background: rgba(61, 242, 208, .1);
  border-radius: var(--radius-pill);
  padding: 3px 9px;
}

.page-faq .accordion__label {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 600;
  overflow-wrap: break-word;
}

.page-faq .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
  border-radius: 1px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.page-faq .accordion__icon::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .accordion__icon::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .accordion__item[data-open="true"] .accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .accordion__panel {
  background: var(--rule-100);
  color: var(--rule-ink);
  border-top: 1px solid var(--ink-700);
  box-shadow: inset 3px 0 0 var(--cyan-400);
}

.page-faq .accordion__inner {
  padding: 15px 16px 17px 19px;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .accordion__inner p {
  margin: 0 0 9px;
}

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

.page-faq .accordion__inner ul {
  margin: 0 0 9px;
  padding-left: 18px;
}

.page-faq .accordion__inner li {
  margin-bottom: 5px;
}

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

.page-faq .faq-inline-link {
  color: #0B6A5C;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 168, 143, .45);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: #084A40;
  border-bottom-color: var(--teal-600);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  padding: 20px 0 64px;
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 26px;
  padding: 26px 20px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--ink-700);
  background:
    radial-gradient(520px 240px at 92% -20%, rgba(255, 138, 61, .16), transparent 70%),
    linear-gradient(150deg, rgba(12, 29, 46, .98), rgba(7, 19, 32, .98));
  min-width: 0;
}

.page-faq .faq-help__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--paper-050);
}

.page-faq .faq-help__text {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-200);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-help__meta {
  margin: 0;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-700);
  background: rgba(7, 19, 32, .6);
  min-width: 0;
}

.page-faq .faq-help__meta-row {
  min-width: 0;
}

.page-faq .faq-help__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-faq .faq-help__meta dd {
  margin: 3px 0 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-rail__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .accordion__trigger {
    padding: 17px 20px;
    gap: 14px;
  }

  .page-faq .accordion__inner {
    padding: 17px 20px 19px 23px;
    font-size: 15px;
  }

  .page-faq .faq-help__panel {
    padding: 32px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 32px 0 52px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-jump {
    padding-top: 34px;
    justify-content: flex-end;
  }

  .page-faq .faq-index-media {
    padding: 34px 0 8px;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    padding: 42px 40px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
    padding: 46px 0 16px;
    align-items: start;
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: calc(var(--header-height) + 26px);
  }

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

  .page-faq .faq-group__title {
    font-size: 26px;
  }

  .page-faq .faq-group {
    margin-bottom: 54px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__lead h1 {
    max-width: 16ch;
  }

  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .accordion__trigger {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__pill,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .accordion__trigger,
  .page-faq .faq-rail__link {
    transition: none;
  }

  .page-faq .faq-jump__pill:hover,
  .page-faq .faq-jump__pill:focus-visible {
    transform: none;
  }
}