.page-faq {
  --faq-grid: rgba(124, 139, 153, .16);
  --faq-line: #DDE3E8;
  position: relative;
  background: var(--ice);
  color: var(--char);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  padding-bottom: 72px;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--faq-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-grid) 1px, transparent 1px);
  background-size: 88px 88px;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-wrap {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 24px 0 48px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 14px 0 20px;
  max-width: 16em;
}

.page-faq .faq-hero__lede {
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--char);
  margin: 0;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--faq-line);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-hero__stats .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 25px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--maple);
  letter-spacing: -.01em;
}

.page-faq .faq-hero__stats li > span:last-child {
  font-size: 13px;
  color: var(--steel);
  letter-spacing: .02em;
}

/* ---------- 三步查询 ---------- */
.page-faq .faq-steps {
  background: var(--ink);
  color: var(--ice);
  border-radius: var(--r-xl);
  padding: 26px 20px 30px;
  display: grid;
  gap: 28px;
  margin-bottom: 64px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-steps::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(224, 164, 59, .3);
  pointer-events: none;
}

.page-faq .faq-steps__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 10px;
}

.page-faq .faq-steps h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.25;
  letter-spacing: .01em;
  margin: 0 0 14px;
  color: var(--ice);
}

.page-faq .faq-steps__lede {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(246, 242, 234, .82);
  max-width: 34em;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  background: var(--ink-2);
  border: 1px solid rgba(221, 227, 232, .16);
  border-radius: var(--r-lg);
  padding: 18px 18px 20px;
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ice);
  margin: 0 0 8px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 242, 234, .74);
}

.page-faq .faq-steps__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid rgba(221, 227, 232, .16);
}

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

/* ---------- 主体双栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 36px;
  margin-bottom: 56px;
}

.page-faq .faq-main {
  counter-reset: faq;
  min-width: 0;
}

/* ---------- 问答分块 ---------- */
.page-faq .faq-block {
  margin-bottom: 52px;
  scroll-margin-top: 80px;
}

.page-faq .faq-block__title {
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 27px);
  letter-spacing: .03em;
  color: var(--ink);
  margin: 0 0 12px;
  padding-top: 16px;
}

.page-faq .faq-block__title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 3px;
  border-radius: 2px;
  background: var(--maple);
}

.page-faq .faq-block__lede {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--char);
  max-width: 36em;
}

.page-faq .faq-block__figure {
  margin: 0 0 20px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--cool);
}

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

/* ---------- 折叠问答项 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 10px;
  padding: 17px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  line-height: 1.6;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--maple);
  justify-self: end;
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
}

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--steel);
  line-height: 1.9;
}

.page-faq .faq-item__no::before {
  content: counter(faq, decimal-leading-zero);
}

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

.page-faq .faq-item__a {
  padding: 0 2px 20px 50px;
  animation: faq-drop .2s var(--ease) both;
}

@keyframes faq-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-answer {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--char);
  max-width: 34em;
}

.page-faq .faq-note {
  margin: 10px 0 0;
  padding-left: 11px;
  border-left: 2px solid var(--cool);
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
  max-width: 34em;
}

/* ---------- 侧栏锚点 ---------- */
.page-faq .faq-aside {
  background: var(--ink-2);
  border-radius: var(--r-lg);
  padding: 18px 18px 20px;
  color: var(--ice);
}

.page-faq .faq-aside__title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0;
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-aside__list a {
  display: inline-block;
  padding: 6px 13px;
  border-radius: var(--pill);
  border: 1px solid rgba(246, 242, 234, .28);
  color: var(--ice);
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: .05em;
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-aside__list a:hover,
.page-faq .faq-aside__list a:focus-visible {
  background: var(--maple);
  border-color: var(--maple);
}

.page-faq .faq-aside__note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(246, 242, 234, .55);
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-outro {
  border-top: 2px solid var(--ink);
  padding-top: 30px;
  margin-top: 12px;
}

.page-faq .faq-outro h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: .02em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-faq .faq-outro p {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--char);
  max-width: 40em;
}

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

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

.page-faq .faq-outro__links a {
  color: var(--ink);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid var(--cool);
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-outro__links a:hover,
.page-faq .faq-outro__links a:focus-visible {
  color: var(--maple);
  border-bottom-color: var(--maple);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-wrap {
    padding: 0 28px;
  }

  .page-faq .faq-steps {
    padding: 32px 28px 36px;
  }

  .page-faq .faq-hero {
    padding: 32px 0 60px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
    gap: 36px;
    padding: 40px 36px 42px;
    margin-bottom: 80px;
  }

  .page-faq .faq-steps__list {
    flex-direction: row;
  }

  .page-faq .faq-step {
    flex: 1 1 0;
    min-width: 0;
  }

  .page-faq .faq-step + .faq-step::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 32px;
    width: 9px;
    height: 1px;
    background: var(--maple-soft);
  }

  .page-faq .faq-item__q {
    grid-template-columns: 46px minmax(0, 1fr) 20px;
    font-size: 17px;
    padding: 19px 2px;
  }

  .page-faq .faq-item__a {
    padding-left: 56px;
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 88px;
    background: transparent;
    color: var(--char);
    border-radius: 0;
    padding: 4px 0 4px 20px;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-aside__title {
    color: var(--steel);
  }

  .page-faq .faq-aside__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    margin-top: 16px;
  }

  .page-faq .faq-aside__list a {
    border: 0;
    border-radius: 0;
    padding: 7px 0;
    font-family: var(--font-body);
    font-size: 14.5px;
    letter-spacing: 0;
    color: var(--steel);
    border-bottom: 1px solid transparent;
  }

  .page-faq .faq-aside__list a:hover,
  .page-faq .faq-aside__list a:focus-visible {
    background: transparent;
    color: var(--maple);
    border-bottom-color: var(--maple);
  }

  .page-faq .faq-aside__note {
    color: var(--steel);
  }

  .page-faq .faq-wrap {
    padding: 0 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-aside__list a,
  .page-faq .faq-outro__links a {
    transition: none;
  }
}