.page-faq {
  --faq-radius: 24px;
  --faq-radius-lg: 30px;
  --faq-gap: 16px;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
  padding-bottom: 72px;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 46px;
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(200, 255, 77, 0.16), transparent 58%),
    radial-gradient(95% 85% at 6% 0%, rgba(22, 16, 54, 0.92), transparent 64%),
    linear-gradient(180deg, var(--deep-teal) 0%, #0a1a22 56%, var(--ink) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background: repeating-linear-gradient(115deg, rgba(234, 242, 246, 0.045) 0 1px, transparent 1px 12px);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 7.4vw, 54px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 7px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

/* ---------- 目录 + 问答 ---------- */
.page-faq .faq-bank__head {
  max-width: 60ch;
  margin-bottom: 30px;
}

.page-faq .faq-bank__head .lede {
  margin-top: 14px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
}

.page-faq .faq-index {
  background: rgba(6, 40, 43, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  padding: 18px 14px 10px;
}

.page-faq .faq-index__head {
  margin: 0 0 12px 12px;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__item {
  border-top: 1px solid rgba(30, 42, 58, 0.72);
  padding-bottom: 4px;
}

.page-faq .faq-index__item:first-child {
  border-top: 0;
}

.page-faq .faq-index__link {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 10px 12px 14px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  transition: background 0.24s var(--ease-out);
}

.page-faq .faq-index__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
  opacity: 0;
  transition: opacity 0.2s var(--ease-out);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(200, 255, 77, 0.09);
  outline: none;
}

.page-faq .faq-index__link:hover::before,
.page-faq .faq-index__link:focus-visible::before {
  opacity: 1;
}

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

.page-faq .faq-index__name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--lime);
}

.page-faq .faq-index__state {
  margin: 0 0 8px 48px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  opacity: 0.85;
}

/* ---------- 分类与条目 ---------- */
.page-faq .faq-cat {
  margin-bottom: 44px;
  scroll-margin-top: 24px;
}

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

.page-faq .faq-cat__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cat__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-faq .faq-cat__note {
  flex: 1 1 220px;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: rgba(11, 18, 32, 0.72);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: border-color 0.24s var(--ease-out), background 0.24s var(--ease-out);
}

.page-faq .faq-item[open] {
  border-color: rgba(200, 255, 77, 0.42);
  background: rgba(11, 18, 32, 0.96);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--ease-out);
}

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

.page-faq .faq-item[open] .faq-item__q {
  color: var(--lime);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.24s var(--ease-out), border-color 0.24s var(--ease-out);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: background 0.24s var(--ease-out);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(135deg);
  border-color: rgba(200, 255, 77, 0.5);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--lime);
}

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

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

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

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

/* ---------- 三步检查 ---------- */
.page-faq .faq-check {
  position: relative;
  overflow: hidden;
  border-radius: var(--faq-radius-lg);
  padding: 28px 20px;
  background: linear-gradient(158deg, var(--deep-teal) 0%, var(--surface) 72%);
  border: 1px solid rgba(200, 255, 77, 0.14);
}

.page-faq .faq-check::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(-45deg, rgba(234, 242, 246, 0.04) 0 1px, transparent 1px 14px);
}

.page-faq .faq-check__head,
.page-faq .faq-check__media,
.page-faq .faq-path,
.page-faq .faq-callout {
  position: relative;
  z-index: 1;
}

.page-faq .faq-check__head .lede {
  margin-top: 12px;
  max-width: 56ch;
}

.page-faq .faq-check__media {
  margin: 26px 0 0;
  border-radius: 18px;
  overflow: hidden;
}

.page-faq .faq-path {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .faq-node {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(5, 8, 14, 0.6);
}

.page-faq .faq-node__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-faq .faq-node__title {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-faq .faq-callout {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 3px solid var(--ember);
  border-radius: 0 14px 14px 0;
  background: rgba(255, 90, 43, 0.09);
}

.page-faq .faq-callout__mark {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ember);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

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

/* ---------- 延迟差异 ---------- */
.page-faq .faq-lag {
  background: linear-gradient(180deg, var(--ink), var(--wine) 180%);
}

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

.page-faq .faq-lag__copy p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46ch;
}

.page-faq .faq-lag__side {
  display: grid;
  gap: 14px;
}

.page-faq .faq-lag__card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px 20px;
  background: rgba(11, 18, 32, 0.8);
}

.page-faq .faq-lag__card--alt {
  background: rgba(46, 13, 24, 0.55);
  border-color: rgba(255, 90, 43, 0.24);
}

.page-faq .faq-lag__card-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-faq .faq-lag__card-num {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 40px;
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-faq .faq-lag__card--alt .faq-lag__card-num {
  color: var(--ember);
}

.page-faq .faq-lag__card-num span {
  font-size: 14px;
  font-weight: 500;
  margin-left: 6px;
  color: var(--muted);
}

.page-faq .faq-lag__card-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 升级路径 ---------- */
.page-faq .faq-escalate {
  background: linear-gradient(180deg, var(--ink), var(--indigo) 220%);
}

.page-faq .faq-escalate__head {
  max-width: 34ch;
  margin-bottom: 28px;
}

.page-faq .faq-escalate__grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-escalate__col {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 18px;
  background: rgba(11, 18, 32, 0.75);
}

.page-faq .faq-escalate__col--alt {
  border-color: rgba(200, 255, 77, 0.28);
  background: rgba(6, 40, 43, 0.62);
}

.page-faq .faq-escalate__tag {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-faq .faq-escalate__col--alt .faq-escalate__tag {
  color: var(--lime);
}

.page-faq .faq-escalate__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-escalate__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-escalate__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--muted);
}

.page-faq .faq-escalate__col--alt .faq-escalate__list li::before {
  background: var(--lime);
  border-color: var(--lime);
}

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

.page-faq .faq-more {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-more__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

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

.page-faq .faq-more__list a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-faq .faq-more__list a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-faq .faq-more__list a:hover,
.page-faq .faq-more__list a:focus-visible {
  color: var(--lime);
  border-color: rgba(200, 255, 77, 0.45);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 32px 0 62px;
  }

  .page-faq .faq-hero__stats {
    gap: 16px 42px;
  }

  .page-faq .faq-check {
    padding: 36px 30px;
  }

  .page-faq .faq-escalate__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-faq .faq-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .faq-node::after {
    content: "";
    position: absolute;
    top: 30px;
    right: -28px;
    width: 26px;
    border-top: 1px dashed rgba(200, 255, 77, 0.5);
  }

  .page-faq .faq-node:last-child::after {
    display: none;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-lag__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px;
  }

  .page-faq .faq-cat__title {
    font-size: 23px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    max-width: 15ch;
  }

  .page-faq .faq-escalate__head {
    max-width: 42ch;
  }
}