.page-faq {
  --faq-indent: 48px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 3.5vw, 40px);
  padding-bottom: clamp(36px, 6vw, 76px);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 26px);
  font-size: 13px;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grass);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--ink-mid);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-size: 14px;
  color: var(--ink-mid);
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-right: 20px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-hero__facts li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
}

.page-faq .faq-hero__frame {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--grass-mist);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.55);
  border-radius: calc(var(--r-lg) - 10px);
  pointer-events: none;
  z-index: 2;
}

.page-faq .faq-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 3;
  margin: 0;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: var(--glass-strong);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-sm);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 234px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }
}

/* 索引栏 */
.page-faq .faq-index {
  border-radius: var(--r-md);
  background: var(--glass);
  border: 1px solid var(--line);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 980px) {
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
  }
}

.page-faq .faq-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--ink-mid);
}

.page-faq .faq-index__note {
  margin: 6px 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grass);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

@media (min-width: 980px) {
  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 3px;
    overflow-x: visible;
    padding-bottom: 0;
  }
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  color: var(--ink-mid);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover {
  background: var(--grass-mist);
  border-color: var(--grass);
  color: var(--navy);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--grass);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: 112px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 68px);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-group__tag {
  flex: 0 0 auto;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--grass);
  padding-top: 4px;
}

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

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-group__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-mid);
}

/* 折叠问答 */
.page-faq .faq-list {
  margin-top: clamp(20px, 3vw, 28px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #ffffff;
  overflow: hidden;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--orange);
}

.page-faq .faq-item[open] {
  border-color: var(--grass);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 0 10px;
  padding: 17px clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: -3px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-mid);
  padding-top: 5px;
}

.page-faq .faq-item__q::after {
  grid-column: 3;
  justify-self: end;
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--grass);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-item__a {
  padding: 0 clamp(14px, 2vw, 22px) 20px;
}

.page-faq .faq-item__a p {
  margin: 0;
  padding-left: var(--faq-indent);
  font-size: 15.5px;
  line-height: 1.82;
  color: #424A52;
}

.page-faq .faq-item__a a {
  color: var(--grass);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-answer-in 0.24s var(--ease);
}

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

@media (max-width: 620px) {
  .page-faq {
    --faq-indent: 0px;
  }
}

/* 组内信息图 */
.page-faq .faq-figure {
  margin: clamp(22px, 3vw, 30px) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-deep);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--glass);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-mid);
}

/* ---------- 收尾行动区 ---------- */
.page-faq .faq-cta {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--navy) 0%, #14507F 58%, var(--grass) 100%);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 820px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-cta__text p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

@media (min-width: 820px) {
  .page-faq .faq-cta .btn {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-index__link {
    transition: none;
  }
}