.page-faq {
  background: var(--pitch);
  color: var(--chalk);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 40px);
  padding-right: clamp(16px, 4vw, 40px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 28px) clamp(16px, 4vw, 40px) 0;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumbs__link,
.page-faq .breadcrumbs__sep,
.page-faq .breadcrumbs__current {
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .breadcrumbs__link {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .breadcrumbs__sep {
  color: rgba(168, 191, 174, 0.5);
}

.page-faq .breadcrumbs__current {
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(36px, 7vw, 88px);
  background:
    radial-gradient(125% 95% at 86% 0%, rgba(30, 91, 60, 0.9) 0%, rgba(11, 46, 31, 0) 62%),
    var(--pitch);
}

.page-faq .faq-hero__mark {
  position: absolute;
  top: -0.14em;
  right: -0.04em;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(180px, 40vw, 460px);
  font-weight: 800;
  font-style: italic;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 2px rgba(216, 245, 66, 0.2);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .index-label {
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: clamp(12px, 2vw, 20px) 0 0;
  max-width: 13ch;
  color: var(--chalk);
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  margin: clamp(18px, 3vw, 30px) 0 0;
  color: var(--sage);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: 1px solid rgba(244, 246, 240, 0.12);
}

.page-faq .faq-h2 {
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 46px);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--chalk);
}

.page-faq .faq-lede {
  max-width: 34em;
  margin: 0 0 clamp(24px, 4vw, 40px);
  color: var(--sage);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
}

/* ---------- 自查卡片 ---------- */
.page-faq .faq-check__grid {
  display: grid;
  gap: 1px;
  background: rgba(244, 246, 240, 0.2);
  border: 1px solid rgba(244, 246, 240, 0.2);
  border-radius: 26px;
  overflow: hidden;
}

.page-faq .faq-chip {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--grass);
  transition: filter var(--dur) var(--ease);
}

.page-faq .faq-chip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--lime);
  transform: translateX(-100%);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-within {
  filter: brightness(1.12);
}

.page-faq .faq-chip:hover::before,
.page-faq .faq-chip:focus-within::before {
  transform: translateX(0);
}

.page-faq .faq-chip__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-faq .faq-chip__text {
  margin: 0;
  color: var(--sage);
  font-size: 15px;
  line-height: 1.72;
}

.page-faq .faq-chip__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  color: var(--lime);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 245, 66, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-chip__link:hover,
.page-faq .faq-chip__link:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--chalk);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0 0 clamp(22px, 3.4vw, 36px);
  border-radius: 24px;
  overflow: hidden;
  background: var(--night);
  border: 1px solid rgba(244, 246, 240, 0.1);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06) brightness(0.94);
}

.page-faq .faq-figure--tall {
  margin-bottom: 0;
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  border-top: 1px solid rgba(244, 246, 240, 0.14);
}

.page-faq .qa {
  border-bottom: 1px solid rgba(244, 246, 240, 0.14);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
}

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

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--lime);
  border-radius: 6px;
}

.page-faq .qa__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 6px;
  border-radius: 6px;
  background: var(--lime);
  color: var(--night);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.04em;
}

.page-faq .qa__q {
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--chalk);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa summary:hover .qa__q,
.page-faq .qa[open] .qa__q {
  color: var(--lime);
}

.page-faq .qa__sign {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(244, 246, 240, 0.32);
  border-radius: 6px;
  color: var(--sage);
  font-size: 14px;
  line-height: 1;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__sign {
  transform: rotate(45deg);
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
}

.page-faq .qa__body {
  position: relative;
  max-width: 34em;
  margin: 0;
  padding: 0 0 clamp(18px, 2.6vw, 26px) 14px;
  color: var(--sage);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-faq .qa__body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: calc(clamp(18px, 2.6vw, 26px) + 4px);
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__body::before {
  transform: scaleY(1);
}

/* ---------- 版本节奏条 ---------- */
.page-faq .faq-cycle {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(244, 246, 240, 0.16);
  border: 1px solid rgba(244, 246, 240, 0.16);
}

.page-faq .faq-cycle__item {
  flex: 1 1 180px;
  padding: 16px 20px;
  background: var(--night);
  color: var(--sage);
  font-size: 13.5px;
  line-height: 1.5;
}

.page-faq .faq-cycle__item b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--lime);
}

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 56px);
  border-radius: 30px;
  border: 1px solid rgba(216, 245, 66, 0.18);
  background: linear-gradient(135deg, var(--grass) 0%, var(--pitch) 62%, var(--night) 100%);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -140px;
  width: 340px;
  height: 340px;
  border: 2px solid rgba(216, 245, 66, 0.28);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-cta .index-label {
  position: relative;
  z-index: 1;
  color: var(--lime);
}

.page-faq .faq-cta__title {
  position: relative;
  z-index: 1;
  margin: clamp(10px, 1.6vw, 16px) 0 clamp(12px, 2vw, 18px);
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--chalk);
}

.page-faq .faq-cta__lede {
  position: relative;
  z-index: 1;
  max-width: 34em;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--sage);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
}

.page-faq .faq-cta__list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(22px, 3.2vw, 32px);
  padding: 0;
  list-style: none;
}

.page-faq .faq-cta__list li {
  position: relative;
  padding-left: 24px;
  color: var(--chalk);
  font-size: 15.5px;
  line-height: 1.65;
}

.page-faq .faq-cta__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 12px;
  height: 2px;
  background: var(--lime);
}

.page-faq .faq-cta__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__note {
  position: relative;
  z-index: 1;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 38em;
  color: var(--sage);
  font-size: 13.5px;
  line-height: 1.78;
}

.page-faq .faq-cta__inline {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 245, 66, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-cta__inline:hover,
.page-faq .faq-cta__inline:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--chalk);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__body {
    padding-left: 46px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-check__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-pack-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-pack-grid .qa-list {
    margin-top: 0;
  }

  .page-faq .faq-figure--tall {
    margin-top: 4px;
  }
}

@media (max-width: 599px) {
  .page-faq .faq-hero__mark {
    font-size: 58vw;
    -webkit-text-stroke-width: 1.5px;
  }

  .page-faq .qa__no {
    min-width: 30px;
    height: 24px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-chip::before,
  .page-faq .qa__sign,
  .page-faq .qa__q,
  .page-faq .qa__body::before,
  .page-faq .breadcrumbs__link {
    transition: none;
  }
}