.page-faq {
  --faq-gap: clamp(20px, 3.4vw, 40px);
  --faq-pad: clamp(14px, 2vw, 20px);
}

/* 面包屑与首屏 */
.page-faq .gi-breadcrumb {
  padding-top: clamp(14px, 2.6vw, 26px);
}

.page-faq .faq-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__main {
  position: relative;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--gi-font-display);
  font-weight: 700;
  font-size: clamp(27px, 4.6vw, 44px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--gi-lake-deep);
}

.page-faq .faq-hero .gi-lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--gi-ink);
}

.page-faq .faq-hero__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--gi-rule);
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 120px;
}

.page-faq .faq-hero__stat b {
  font-family: var(--gi-font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--gi-lake);
}

.page-faq .faq-hero__stat span {
  font-size: 13px;
  line-height: 1.6;
  color: var(--gi-gray);
}

.page-faq .faq-hero__art {
  margin: 0;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--gi-rule-soft);
  background: var(--gi-mist);
}

.page-faq .faq-hero__art .gi-media__caption,
.page-faq .faq-figure .gi-media__caption {
  margin-top: 8px;
  font-family: var(--gi-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--gi-gray);
}

@media (min-width: 720px) {
  .page-faq .faq-hero__main {
    padding-left: 22px;
  }
  .page-faq .faq-hero__main::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--gi-lake);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(30px, 4.6vw, 66px);
  }
}

/* 主体两栏 */
.page-faq .faq-body {
  padding-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.page-faq .faq-aside__title {
  margin: 0 0 10px;
  font-family: var(--gi-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gi-gray);
}

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

.page-faq .faq-aside__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.5;
  color: var(--gi-ink);
  text-decoration: none;
  background: var(--gi-white);
  border: 1px solid var(--gi-rule-soft);
  border-left: 2px solid transparent;
  transition: color var(--gi-speed), border-color var(--gi-speed), background var(--gi-speed);
}

.page-faq .faq-aside__num {
  font-family: var(--gi-font-mono);
  font-size: 12px;
  color: var(--gi-gray);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  color: var(--gi-lake-deep);
  background: var(--gi-mist);
  border-left-color: var(--gi-crimson);
  outline: none;
}

.page-faq .faq-aside__link:focus-visible {
  box-shadow: 0 0 0 2px var(--gi-crimson);
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(30px, 4.4vw, 68px);
    align-items: start;
  }
  .page-faq .faq-aside {
    position: sticky;
    top: 104px;
    align-self: start;
  }
  .page-faq .faq-aside__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--gi-rule);
  }
  .page-faq .faq-aside__link {
    display: flex;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 9px 12px;
  }
}

/* 问答分组 */
.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 6vw, 68px);
  padding-top: clamp(30px, 4.5vw, 52px);
  border-top: 1px solid var(--gi-rule);
}

.page-faq .faq-group__head {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-group__label {
  color: var(--gi-lake);
}

.page-faq .faq-panels > .faq-group:nth-of-type(2) .faq-group__label {
  color: var(--gi-crimson);
}

.page-faq .faq-panels > .faq-group:nth-of-type(3) .faq-group__label {
  color: var(--gi-pine);
}

.page-faq .faq-panels > .faq-group:nth-of-type(4) .faq-group__label {
  color: var(--gi-yellow);
}

.page-faq .faq-group .gi-section__title {
  font-family: var(--gi-font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.4;
  color: var(--gi-lake-deep);
  margin: 6px 0 8px;
}

.page-faq .faq-group .gi-section__note {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gi-gray);
  margin: 0;
}

/* 折叠问答 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--gi-white);
  border: 1px solid var(--gi-rule-soft);
  transition: background var(--gi-speed), border-color var(--gi-speed);
}

.page-faq .faq-item[open] {
  background: var(--gi-mist);
  border-color: var(--gi-lake);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px 14px;
  padding: clamp(14px, 2vw, 18px) var(--faq-pad);
  cursor: pointer;
  list-style: none;
  font-family: var(--gi-font-display);
  font-weight: 600;
  font-size: clamp(15.5px, 2vw, 17px);
  line-height: 1.6;
  color: var(--gi-ink);
}

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

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

.page-faq .faq-item__q::after {
  content: "+";
  justify-self: end;
  font-family: var(--gi-font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--gi-crimson);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
  color: var(--gi-lake);
}

.page-faq .faq-item__q:hover {
  color: var(--gi-lake-deep);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gi-crimson);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-family: var(--gi-font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gi-lake);
}

.page-faq .faq-item__a {
  padding: 14px var(--faq-pad) clamp(16px, 2.2vw, 22px);
  border-top: 1px solid var(--gi-rule-soft);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gi-ink);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 12px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faqReveal 220ms ease-out both;
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-ref {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  font-family: var(--gi-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--gi-gray);
}

.page-faq .faq-ref .gi-mono {
  color: var(--gi-lake-deep);
}

.page-faq .faq-ref a {
  color: var(--gi-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-ref a:hover,
.page-faq .faq-ref a:focus-visible {
  color: var(--gi-crimson);
}

/* 区块内插图 */
.page-faq .faq-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--gi-rule-soft);
  background: var(--gi-mist);
}

/* 结尾邀请 */
.page-faq .faq-cta {
  margin-top: clamp(44px, 7vw, 88px);
  padding: clamp(34px, 5.4vw, 60px) 0;
  background: var(--gi-lake-deep);
  color: var(--gi-mist);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-faq .faq-cta .gi-eyebrow {
  color: var(--gi-yellow);
  margin: 0;
}

.page-faq .faq-cta__title {
  margin: 10px 0 12px;
  font-family: var(--gi-font-display);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.4;
  color: var(--gi-white);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gi-mist);
}

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

.page-faq .faq-cta .gi-btn--ghost {
  color: var(--gi-white);
  border-color: var(--gi-mist);
}

.page-faq .faq-cta .gi-btn--ghost:hover,
.page-faq .faq-cta .gi-btn--ghost:focus-visible {
  color: var(--gi-lake-deep);
  background: var(--gi-mist);
}

@media (min-width: 860px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(30px, 4vw, 60px);
  }
}