.page-faq {
  display: block;
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.22;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.9;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(28px, 5vw, 52px);
  padding-bottom: clamp(36px, 6vw, 68px);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 30px);
}

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

.page-faq .faq-hero h1 {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  max-width: 20ch;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-hero__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(20px, 4vw, 48px);
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: clamp(16px, 2.4vw, 20px) 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.page-faq .faq-hero__stats .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__stats li > span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  background: var(--ink-800);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }
}

.page-faq .faq-index .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: topic;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item {
  counter-increment: topic;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__link {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 13px 8px 13px 0;
  color: var(--text-dim);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--ease), background-color var(--ease);
}

.page-faq .faq-index__link::before {
  content: counter(topic, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1;
  color: var(--cyan-deep);
  font-variant-numeric: tabular-nums;
  transition: color var(--ease);
}

.page-faq .faq-index__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 0;
  background: var(--cyan);
  transition: width var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  background: rgba(43, 224, 214, 0.06);
}

.page-faq .faq-index__link:hover::before,
.page-faq .faq-index__link:focus-visible::before {
  color: var(--cyan);
}

.page-faq .faq-index__link:hover::after,
.page-faq .faq-index__link:focus-visible::after {
  width: 100%;
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 画布 ---------- */
.page-faq .faq-canvas {
  min-width: 0;
  counter-reset: q;
}

.page-faq .faq-topic {
  scroll-margin-top: 96px;
  padding-top: clamp(26px, 3.6vw, 38px);
  margin-top: clamp(26px, 3.6vw, 38px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-topic:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-faq .faq-topic__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: clamp(12px, 2vw, 20px);
}

.page-faq .faq-topic__idx {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 0.9;
  color: rgba(43, 224, 214, 0.5);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-topic__title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.25;
  color: var(--text);
}

.page-faq .faq-topic__sub {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  counter-increment: q;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 22px;
  gap: 0 14px;
  align-items: start;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--ease);
}

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

.page-faq .faq-item__summary::before {
  content: counter(q, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  transition: color var(--ease);
}

.page-faq .faq-item__summary:hover,
.page-faq .faq-item__summary:focus-visible {
  background: rgba(43, 224, 214, 0.05);
}

.page-faq .faq-item[open] > .faq-item__summary::before {
  color: var(--cyan);
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .faq-item__chev {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  color: var(--text-dim);
  transition: transform var(--ease), color var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(180deg);
  color: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 0 4px 20px 40px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__body ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.page-faq .faq-item__body li {
  margin-bottom: 6px;
}

.page-faq .faq-item__body li::marker {
  color: var(--cyan-deep);
}

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color var(--ease), color var(--ease);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

/* ---------- 邮件章节的图文分栏 ---------- */
.page-faq .faq-topic__split {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 760px) {
  .page-faq .faq-topic__split {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(42, 42, 110, 0.35) 0%, rgba(10, 23, 40, 0.65) 100%);
}

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

.page-faq .faq-figure__cap {
  margin: 10px 2px 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 收尾章节 ---------- */
.page-faq .faq-topic--indigo {
  padding: clamp(22px, 3.4vw, 34px) clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line-cyan);
  background: linear-gradient(180deg, rgba(42, 42, 110, 0.45) 0%, rgba(42, 42, 110, 0.14) 100%);
}

.page-faq .faq-topic__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 24px);
}

.page-faq .faq-canvas__foot {
  display: flex;
  justify-content: flex-end;
  padding-top: clamp(22px, 3vw, 30px);
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-top {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--ease);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--cyan);
  transition: width var(--ease);
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-top:hover::after,
.page-faq .faq-top:focus-visible::after {
  width: 100%;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-faq .faq-item__summary {
    grid-template-columns: 22px minmax(0, 1fr) 20px;
    gap: 0 10px;
    padding: 14px 2px;
  }

  .page-faq .faq-item__body {
    padding: 0 2px 18px 32px;
    font-size: 14.5px;
  }

  .page-faq .faq-hero__stats {
    gap: 12px 22px;
  }

  .page-faq .faq-topic__actions .btn {
    width: 100%;
    text-align: center;
  }
}