.page-faq {
  --faq-gap: 40px;
  --faq-side: 212px;
  --faq-sticky: 132px;
  display: block;
}

/* 首屏：对角切口 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--black);
  color: var(--paper);
  padding: 44px 0 40px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  right: -14%;
  width: 64%;
  height: 168%;
  background: var(--green);
  opacity: .16;
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 100%);
  transform: skewX(-6deg);
  z-index: 0;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 38%;
  height: 6px;
  background: var(--orange);
  z-index: 0;
}
.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin: 0 0 24px;
}
.page-faq .faq-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .06em;
}
.page-faq .faq-hero .breadcrumb__item {
  color: rgba(242, 242, 242, .6);
}
.page-faq .faq-hero .breadcrumb__link {
  color: var(--ring);
  text-decoration: none;
}
.page-faq .faq-hero .breadcrumb__link:hover {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-hero .breadcrumb__current {
  color: var(--paper);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(242, 242, 242, .82);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}
.page-faq .faq-hero .btn--ghost {
  border: 1px solid rgba(242, 242, 242, .45);
  color: var(--paper);
  background: transparent;
}
.page-faq .faq-hero .btn--ghost:hover {
  border-color: var(--green);
  color: var(--green);
}

.page-faq .faq-hero .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
}
.page-faq .faq-hero .chip {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(242, 242, 242, .28);
  background: transparent;
  color: rgba(242, 242, 242, .86);
  font-size: 14px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-hero .chip:hover {
  border-color: var(--green);
  color: var(--green);
}

/* 分组面板 */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding: 48px 0 8px;
}
.page-faq .faq-group {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid var(--hair);
  scroll-margin-top: 140px;
}
.page-faq .faq-group__tag {
  margin: 0 0 10px;
  padding-bottom: 8px;
  display: inline-block;
  border-bottom: 2px solid var(--green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brown);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.2;
  font-weight: 900;
  color: var(--black);
}
.page-faq .faq-group__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite);
}
.page-faq .faq-group__main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.page-faq .faq-figure--tall {
  aspect-ratio: 10 / 7;
}
.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 问答索引卡 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  min-width: 0;
}
.page-faq .expand {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-left: 4px solid transparent;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .expand[data-open] {
  border-left-color: var(--green);
  background: var(--mist);
}
.page-faq .expand__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--black);
}
.page-faq .expand__trigger:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}
.page-faq .qa-num {
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--brown);
}
.page-faq .expand__title {
  flex: 1 1 auto;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}
.page-faq .expand__inner {
  padding: 0 18px 20px;
}
.page-faq .expand__inner p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-faq .expand__inner p + p {
  margin-top: 12px;
}
.page-faq .expand__inner a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .expand__inner a:hover {
  color: var(--green);
}

/* 步骤 */
.page-faq .faq-steps {
  counter-reset: step;
  display: grid;
  gap: 10px;
  margin: 14px 0 12px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-steps li {
  position: relative;
  padding-left: 36px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--graphite);
}
.page-faq .faq-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .faq-split {
  display: grid;
  gap: 20px;
  min-width: 0;
}

/* 底部引导 */
.page-faq .faq-cta {
  padding: 8px 0 72px;
}
.page-faq .faq-cta__panel {
  padding: 32px 22px;
}
.page-faq .faq-cta__panel .label {
  color: var(--orange);
}
.page-faq .faq-cta__title {
  margin: 14px 0 0;
  max-width: 24ch;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.15;
  font-weight: 900;
  color: var(--paper);
}
.page-faq .faq-cta__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(242, 242, 242, .8);
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}
.page-faq .faq-cta .btn--ghost {
  border: 1px solid rgba(242, 242, 242, .5);
  color: var(--paper);
  background: transparent;
}
.page-faq .faq-cta .btn--ghost:hover {
  border-color: var(--green);
  color: var(--green);
}

@media (min-width: 600px) {
  .page-faq .faq-hero {
    padding: 56px 0 48px;
  }
  .page-faq .expand__trigger {
    padding: 18px 22px;
  }
  .page-faq .expand__inner {
    padding: 0 22px 22px 58px;
  }
  .page-faq .faq-cta__panel {
    padding: 44px 36px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: 40px;
  }
  .page-faq .faq-group__side {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-split {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
    gap: 32px;
  }
  .page-faq .faq-cta__panel {
    padding: 52px 48px;
  }
}